Title: Data Scientist Location: Reston, Virginia *Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.
Job Description Seeking a Data Scientist responsible for working closely with Client’s Customer Engagement project teams to provide the customer with business analysis expertise, dashboard design in a tactical capacity, evaluate internal and external client requirements, and implement effective solutions in a timely manner. The selected candidate will leverage their analytical skills and expertise in predictive analytics to extract insights from complex datasets and drive data-driven decision-making within our client’s user community. They will collaborate closely with cross-functional teams to develop predictive models, uncover actionable insights, and solve challenging business problems. Job Requirements:
Must have an Active TS/SCI with polygraph ONLY all others need not apply.
Analyze large, complex datasets to identify trends, patterns, and relationships.
Conduct exploratory data analysis (EDA) to gain insights and formulate hypotheses.
Utilize statistical methods and data visualization techniques to communicate findings effectively.
Ability to consolidate, interpret, and present data in reports/dashboards for Executives, Team Leads, and Individual End Users focused on Acquisition and Financial Information.
An analytical mindset that allows you to look at the data available and drive into meaningful insights for the end user(s).
Ability to produce reports and dashboards using Microsoft Power BI, SSRS, and other data tools.
Experience using SQL to create queries and general knowledge of SQL database structure/relational databases
Ability to define and document customer business processes and report/dashboard content needs, including business process diagrams, data maps, and data modeling.
Consult with project team members and customer stakeholders to identify, define, and document business needs and objectives, current reporting capabilities, and challenges related to the business functions, such as those supporting the Federal Acquisition Lifecycle.
Collaborate with the Client project manager, technical analysts, and customer end-users in the analysis, design, configuration, testing, and maintenance of the Business Intelligence module of Client's AEON Business Process Management Platform to ensure desired operational performance and capabilities.
Design and conduct experiments to test hypotheses and validate model assumptions.
Implement A/B testing frameworks to evaluate the impact of changes and interventions.
Analyze experimental results and provide recommendations for further optimization.
Track and document changes for functional and business specifications; write detailed, universally understood procedures for testing use cases, knowledge capture, and training purposes.
Achieve proficiency in all significant Client Reporting/Analytic products, including the AEON software suite, through internal staffing training, self-guided tutorials, and daily exposure to individual product feature sets.
Provide support for various meetings, demonstrations, and program activities related to Business Intelligence.
Test reports/dashboard projects following business and functional design following best practices for quality assurance.
Record and track defects uncovered during test execution and assist in defect resolution (troubleshooting and researching).
Comprehension of change management processes.
Other duties as assigned.
Required Experience.
3+ years prior data scientist experience.
Proven experience in data science, machine learning, or predictive analytics roles.
Proficiency in programming languages commonly used in data science (e.g., SQL, Python, R, etc.).
Ability to work in a team-oriented environment for a matrixed organization.
Strong knowledge and experience with data reporting tools, including Microsoft PowerBI, SSRS, Tableau, etc.
Strong knowledge of productivity tools like Microsoft Office (Word, Excel, Outlook).
Experience with Agile and SCRUM processes and methodologies.
Knowledge of software development life cycle (SDLC) practices, principles, and techniques as they apply to the Agile development process.
Excellent verbal and written communication skills, proven ability to listen and relate to customers.
Ability to effectively collaborate with internal and external customers.
Demonstrated analytical and problem-solving capabilities.
Proven ability to communicate technical details to a non-technical audience.
Excellent organizational and time management skills.
Strong team player who is always willing to help other team members.
Desired Experience:
Bachelor’s degree or relevant experience.
Knowledge of SQL Databases and Query Creation
Knowledge of the Federal Acquisition Lifecycle or commercial contracting.
Knowledge of Federal financial systems or commercial accounting.
Ability to develop and deploy predictive models using machine learning algorithms, optimize model performance, and evaluate model accuracy
Experience with Federal government contracting and/or program office organization's business processes.
Location:Reston, Virginia
Type:Contract
Job#3560
Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Summary: The Junior Software Developer will plan, design, develop, and test new software by applying programming techniques and their knowledge of computer systems. The Junior Software Developer implements designs by writing computer programs and updating, maintaining, and repairing existing programs. Work is performed under general guidance.
Core Values: – Demonstrates the ability to work effectively under pressure with minimal supervision. – Displays reliability through consistent attendance, follow-through, and task completion. – Shows teamwork by collaborating with others, maintaining a positive attitude, and communicating openly, consistently, and directly. Listens actively to others. – Ensures customer satisfaction by delivering exceptional customer service. Takes initiative and acts responsibly. Exhibits flexibility within established parameters.
Skills: – C# and VB – ASP.NET Web Forms, MVC – SQL Database – HTML, CSS, and JavaScript – Responsive Web Design – Web API or SOA experience – LINQ to SQL – Entity Framework – Bootstrap, jQuery – Azure Cloud Services
Essential Job Functions: – Plan, install, and maintain large, complex application software; provide technical assistance to system users in accordance with relevant information systems policies, procedures, methods, and techniques. – Design each component of a complex system, including storage, business logic, and user interface. – Write programming code for Windows, websites, and databases. – Design software for various form factors, from large desktops to mobile phones. – Develop, install, and maintain complex software applications; prepare and update user manuals and system documentation; evaluate new software and recommend changes as necessary. – Evaluate and assess client needs; suggest project priorities. – Evaluate and test system upgrades and applications; troubleshoot software-related issues. – Perform system maintenance activities; uphold system security; grant or revoke system access. – Respond to user inquiries regarding system operations; offer solutions to problems or refer users to the appropriate staff, including supervisors, employees, and the public. – Coordinate and conduct user training for relevant software applications; create user training manuals and written standards and procedures; update and maintain user and training manuals as necessary. – Prepare project cost estimates and justifications for new or enhanced system modifications; evaluate bids and recommend vendor selections. – Plan, design, and implement application databases; maintain database security and user access; design, create, and manage physical objects, including tables, files, libraries, and indexes to support computer applications using database management systems; monitor database performance and troubleshoot issues. – Stay current with new trends and innovations in the information technology field. – Perform related duties and responsibilities as required.
Location:Reston, Virginia
Type:Contract
Job#3515
Cloud Engineer IV Reston VA Active TS/SCI with Polygraph
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Required Skills:
At least 10 years of proven experience in cloud engineering, with expertise in designing, implementing, and managing advanced cloud solutions
Demonstrated experience in designing and deploying AWS cloud infrastructure solutions at scale, supporting multiple classification domains (e.g., IL5 to IL6+)
Comprehensive hands-on experience with leading cloud platforms (AWS, Azure, or Google Cloud) and core services such as EC2, S3, Lambda, and EBS
Expert proficiency in creating, managing, and securing server OS images in cloud environments across multiple classification domains using AWS AMIs
Extensive experience with Infrastructure-as-Code (IaC) tools, including Terraform, CloudFormation, or Ansible, to automate cloud infrastructure
Proven expertise in configuring and troubleshooting Linux and Windows Server operating systems in production environments
Deep understanding of cloud security principles and hands-on experience implementing advanced security controls in cloud environments
Strong scripting and programming skills in languages such as Python and Bash, with a focus on automating cloud tasks
Experience working in operational environments, including managing ticket queues and leveraging knowledge bases for issue resolution
Exceptional communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders
Active Comptia Security+ or other 8140/8570 certificate with at least 1 year before expiration
Cloud certifications such as AWS Solutions Architect Associate/Professional or AWS SysOps Administrator
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston, Virginia
Type:Contract
Job#3514
Cloud Engineer III Reston VA or College Park MD Active TS/SCI with Polygraph
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Required Skills:
Minimum of 6 years of professional experience in cloud engineering, with a focus on designing, implementing, and managing cloud solutions.
Experience building AWS cloud infrastructure solutions at scale across multiple classification domains (IL5 to IL6+) simultaneously
Extensive hands-on experience with leading cloud platforms such as AWS, Azure, or Google Cloud, including services such as EC2, S3, Lambda, EBS, etc..
Expert-level skills in creating, managing, and hardening desktop OS images across multiple classification domains in the cloud using AMIs
Expertise in automating deployment and configuration of virtual Linux developer desktops in the cloud, to include understanding of common developer tools such as VSCode and Postman
Expertise integrating with enterprise authentication and authorization systems.
Strong background in infrastructure-as-code (IAC) using tools like Terraform, CloudFormation, or Ansible.
In-depth understanding of cloud security best practices and experience implementing security controls in a cloud environment.
Excellent scripting and programming skills (Python, Bash, etc.).
Strong problem-solving skills and the ability to troubleshoot complex cloud-related issues.
Exceptional communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholder
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston, Virginia
Type:Contract
Job#3448
Cybersecurity Analyst Reston, VA, College Park, MD, or Colorado Springs, CO Active TS/SCI with Polygraph Salary Range: $135,000 – $175,000
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
As a Cybersecurity Analyst with a focus on Government System ATO support, you’ll be responsible for guiding government clients through the intricate process of obtaining and maintaining Authority to Operate certifications for their information systems.
You will leverage your expertise in government cybersecurity standards and regulations to monitor, analyze, and respond to potential security incidents and threats.
Your role will ensure that our government clients' systems meet the stringent security requirements necessary for ATO compliance while aligning with government-specific cybersecurity guidelines.
Collaborate with government clients to thoroughly understand their system architectures, security requirements, and objectives for achieving and maintaining ATO status within the context of government regulations.
Conduct exhaustive security assessments and risk analyses that cater to government system compliance, identifying vulnerabilities and potential threats specific to government systems.
Monitor security systems, logs, and network traffic with a keen focus on government cybersecurity guidelines, identifying any suspicious activity, intrusions, or unauthorized access attempts.
Collaborate closely with cross-functional teams to establish and maintain government-aligned security measures, including firewalls, intrusion detection systems, data encryption, and access controls.
Investigate and analyze security incidents to determine their cause, impact, and appropriate response.
Develop and implement incident response plans, including containment, eradication, and recovery strategies.
Required Skills:
At least 6 years of experience as a cybersecurity analyst with a specialization in Government System ATO support, demonstrating deep knowledge of government ATO principles, methodologies, and tools.
Strong experience in government regulatory frameworks, compliance requirements, and security standards specific to ATO (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP).
Demonstrated and repeat experience achieving and maintaining ATO for cloud services and solutions from IL5 to IL6+ on NIPR, SIPR, and JWICS.
Understanding of network protocols, operating systems, and infrastructure components.
Strong proficiency in incident response, security incident handling, and forensic analysis techniques.
Expertise with government specific ATO assessment tools, vulnerability scanning tools, and intrusion detection/prevention systems.
Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
CISSP or equivalent certification to support DoD 8140 requirements
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston, Virginia
Type:Contract
Job#3447
Cybersecurity Engineer Reston, VA, College Park, MD, or Colorado Springs, CO Active TS/SCI with Polygraph Salary Range: $145,000 – $185,000
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
As Cybersecurity Engineer, you’ll play a pivotal role in safeguarding our organization's digital assets and sensitive information.
The ideal candidate is a dedicated professional with a strong background in cybersecurity, a deep understanding of current threats and vulnerabilities, and the ability to implement robust security measures.
As a Cybersecurity Engineer, you will contribute to the design, implementation, and maintenance of our cybersecurity infrastructure while staying abreast of emerging trends in the field.
Design, implement, and manage security solutions, including firewalls, intrusion detection/prevention systems, endpoint protection, and encryption mechanisms to ensure the organization's networks and systems remain secure.
Conduct regular security assessments to identify vulnerabilities and weaknesses in systems, networks, and applications.
Develop and implement incident response plans to effectively address security breaches, incidents, and breaches.
Collaborate with cross-functional teams to establish and enforce security policies, standards, and procedures.
Monitor network traffic, system logs, and security alerts to detect and respond to potential security incidents.
Analyze and investigate anomalies and security breaches, taking appropriate actions to mitigate risks.
Work closely with cross-functional teams, including IT, software development, and compliance, to integrate security into all phases of the development lifecycle and ensure a comprehensive approach to cybersecurity.
Maintain thorough and accurate documentation of security processes, procedures, and configurations. Prepare detailed reports on security findings, incidents, and actions taken.
Required Skills:
At least 6 years of experience as a cybersecurity engineer with a specialization in designing and building implementations of required security controls; and implementing continuous monitoring and auditing of solutions for compliance with security controls.
Strong skills in specifying and implementing log collection into tools such as Splunk, and performing querying and analysis of aggregated logs to identify security-relevant anomalies or risks
Strong experience in implementing security controls from government regulatory frameworks and security standards (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP).
Experience with implementing controls for cloud, container, and DevSecOps services and solutions within IL5 to IL6+ environments.
Strong understanding of network protocols, operating systems, and infrastructure components.
Proficiency in incident response, security incident handling, and forensic analysis techniques.
Experience with security tools such as Fortify, Acunetix, and Prisma Cloud
Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
CISSP or equivalent certification to support DoD 8140 requirements
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston, Virginia
Type:Contract
Job#3429
DevSecOps Engineer III Reston, VA Active TS/SCI with Polygraph
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
As a Sr. DevSecOps Engineer III, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines.
You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions.
Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
Monitor and analyze system and application logs to detect and respond to security incidents.
Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
Contribute to the development and maintenance of security policies, procedures, and documentation.
Required Skills:
At least 10 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
Expert experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
Expert experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
Expert understanding of AWS and familiarity with other cloud platforms (e.g., Azure, GCP) and securing cloud-based applications and services.
Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
Strong experience in scripting languages (e.g., Python, Bash) for automation and tool integration.
Hands-on experience with security tools for static code analysis, dynamic application security testing (DAST), and vulnerability scanning, using tools such as Fortify, Acunetix, and Prisma Cloud
Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston, Virginia
Type:Contract
Job#3428
DevSecOps Engineer I Reston, VA Active TS/SCI with Polygraph
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
As a DevSecOps Engineer I, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines.
You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions.
Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
Monitor and analyze system and application logs to detect and respond to security incidents.
Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
Contribute to the development and maintenance of security policies, procedures, and documentation.
Required Skills:
At least 6 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
Strong experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
Strong Experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
Experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
Experience with cloud platforms (e.g., AWS, Azure, GCP) and securing cloud-based applications and services.
Experience with scripting languages (e.g., Python, Bash) for automation and tool integration.
Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Location:Reston
Type:Contract
Job#3331
Information System Security Manager Clearance: TS/SCI with Polygraph Reston, VA
Supporting the Most Exciting and Meaningful Missions in the World
Cyber and Information Security Specialist (INFOSEC) perform functions in support of the directorate’s Information System Security Manager (ISSM) and deliver outcomes as follows:
Review and analyze systems architecture diagrams and networks.
Support Assessment and Authorization (A&A) requirements and process and apply ICD 503, NISPOM, and other federal guidelines in support of systems used at contractor facilities.
Assist program systems owners and/or service providers throughout the risk management framework (RMF), including the assessment and authorization (A&A) processes, as follows:
Provide advice to program system owners and/or service providers on the creation of required system documentation or body of evidence; review and provide recommendation for approval or disapproval, as appropriate.
Assess security and privacy controls and data protection in sponsor information systems and environments of operation as part of the initial security assessment and during operational changes affecting information systems’ security posture.
Assist the security control accessors (SCA), as appropriate, in performing security systems assessments and reviewing risk elements in the executive Risk System (ERS) report.
Create plans of action & milestones (POA&Ms) and/or request risk acceptance through a security assessor(SA) , who will certify the ERS report to the appropriate authorizing official (AO) or designated AO.
Regarding the RMF and A&A processes, produce an annual A&A report of trends, challenges, and risk with recommended mitigation and process improvements.
Provide oversight and guidance to ensure compliance with program information security regulations and policies on processes and request, such as Data Transfer Request; Access Request; Service/Change Request; Purchase Request; Accountable Property Management; Waivers, including medical devises and introduction (use) of equipment /devises into SCIF; and Equipment Transport. Produce a Weekly Activity Report.
Facilitate development, maintenance and security review of AIS security plans for computers, networks, and information systems deployed and used at contractor facilities, ensuring that sponsor and program approving signatures are acquired and documented.
Conduct technical exchange meetings to facilitate AIS security solutions for both industrial contractors and government systems; and produce comprehensive solutions to technically complex systems and challenges.
Ensure documentation is complete and accurate in accordance with sponsor and program AIS policies and requirements.
As necessary, support the investigation of virus/malware alerts/incidents to determine root cause, entry point of code, damage risk, and report this information.
Write reports based on technical analysis of sponsor or industrial partners systems, and as applicable provide recommendations for mitigating issues in the future.
Analysis systems , including forensically, for malware, misuse, and/or unauthorized activity.
Ensure discovered cyber incidents and data spills are reported per program SOP; support investigations and remediation/clean up as necessary, and provide guidance in coordination with program security management and other groups as appropriate.
Provide information security training and refine, edit, and maintain training material, as necessary to ensure it is up to date with current policies, regulations, and best practices.
Participate in project review meetings and provide technical cyber security advise/expertise to program personnel.
Advise on technical and performance characteristics of new technologies, as relates to sponsor policies and regulations.
Review complex sponsor and industrial partners system designs for security risk and compliance with sponsor policy and regulations; propose resolution and preventive strategies.
Communicate complex technical concepts, project information, and security policy clearly and concisely to both technical and non-technical audiences.
Provide briefings and/or training on sponsor’s INFOSEC policies and regulations.
Provide a quarterly Security Control Status Report (SCSR) that identifies security risk and trends through the ranking of the 77 Control Families.
Location:Reston, Virginia
Type:Contract
Job#3044
Title: Software/Application Support Specialist
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.
Software Application Support Specialist Herndon, VA
The Software Application Support Specialist is responsible for providing professional and efficient helpdesk support. A strong customer service mindset is the key to succeeding in this role.
Job Requirements:
Serve as the first point of contact for customers seeking technical assistance over a ticketing system.
Perform remote troubleshooting through diagnostic techniques and pertinent questions.
Determine the best solution based on the issue and details provided by customers.
Walk the customer through the problem-solving process.
Direct unresolved issues to the next level of support personnel.
Provide accurate information on IT products.
Record events and problems and their resolution in logs.
Follow-up and update customer status and information.
Pass on any feedback or suggestions by customers to the appropriate internal team.
Identify and suggest possible improvements on procedures.
Performs other related duties as assigned.
Required Experience:
Proven experience in Supporting COTS products in a customer support role.
Good understanding of computer systems, and other tech products.
Ability to diagnose and resolve basic technical issues.
Excellent communication skills.
Customer-oriented and cool-tempered.
Understanding of Ticketing systems.
Desired Experience:
Knowledge of the Federal Acquisition lifecycle or commercial contracting.
Knowledge of Federal financial systems or commercial accounting.
Experience with Federal government contracting and/or program office organizations.
Location:Reston, Virginia
Type:Contract
Job#2890
Intel Ops Support Advisor Chantilly, VA
Cornerstone Defense is looking for a highly motivated and experienced Senior Intelligence Operations Support to join our team. The ideal candidate is responsible for gathering, analyzing, and disseminating intelligence information to support decision-making at all levels of the organization. This includes collecting, triaging, and reviewing information from a variety of sources. The Intelligence Analyst then analyzes this information to identify trends, patterns, and threats. Finally, the Intelligence Analyst disseminates this information to decision-makers in a clear and concise way.
Duties and Responsibilities
Oversees current and emergent intelligence reporting to customers, updating, maintaining, and disseminating intelligence products
Oversees, executes, and tracks intelligence sharing amongst multiple stakeholders
Provides continuous intelligence watch, maintaining communication with respective components and partner agencies
Monitors Indications and Warning (I&W); determines when a threat needs to be communicated to relevant authority
Maintains current knowledge of relevant technologies and subject areas
May coach and provide guidance to less-experienced professionals
May serve as a team or task lead
Desired Skills and Abilities
Advanced knowledge of the principles, methods, processes, and applicable regulations involved in intelligence operations
Experience supporting intelligence operations (e.g.: watch operations or knowledge management)
Specific certifications or education/training may be required, depending on job assignment
Education Requirement
BA/BS (or equivalent experience)
Experience Requirement
8-10 years of experience
Location:Reston, Virginia
Type:Contract
Job#2889
Intel Ops Support Chantilly, VA
Cornerstone Defense is looking for a highly motivated Intelligence Operations Support Analyst to join our team. The ideal candidate is responsible for gathering, analyzing, and disseminating intelligence information to support decision-making at all levels of the organization. This includes collecting, triaging, and reviewing information from a variety of sources. The Intelligence Analyst then analyzes this information to identify trends, patterns, and threats. Finally, the Intelligence Analyst disseminates this information to decision-makers in a clear and concise way.
Duties and Responsibilities
Provides current and emergent intelligence reporting to customers, updating, maintaining, and disseminating products
Executes and tracks intelligence sharing amongst multiple stakeholders
Provides continuous intelligence watch, maintaining communication with respective components and partner agencies
Monitors Indications and Warning (I&W) and is responsible for determining when a threat needs to be communicated to relevant authority. May participate in Continuity of Operations Plans (COOP) as required
Maintains current knowledge of relevant technologies and subject areas
Desired Skills and Abilities
Knowledge of the principles, methods, processes, and applicable regulations involved in intelligence operations
Experience supporting intelligence operations (e.g.: watch operations or knowledge management)
Specific certifications or education/training may be required, depending on job assignment
Education Requirement
BA/BS (or equivalent experience)
Experience Requirement
<5 years of experience
Location:Reston, Virginia
Type:Contract
Job#2888
Technical Targeter Chantilly, VA
Cornerstone Defense is looking for a highly motivated and experienced expert Cyber Technical Analyst to join our team. The ideal candidate is responsible for designing, implementing, and maintaining the organization's cyber security assurance processes. This includes developing and implementing security policies and procedures, conducting security assessments, and monitoring the organization's cyber security posture.
Duties and Responsibilities
Plans, prepares, and executes tests of systems to evaluate results against specifications and requirements as well as analyze/report test results.
Performs assessments of systems and networks within the network environment or enclave and identifies where those systems/networks deviate from acceptable configurations, enclave policy, or local policy.
Measures effectiveness of defense-in-depth architecture against known vulnerabilities.
Establishes strict program control processes to ensure mitigation of risks and supports obtaining certification and accreditation of systems.
Assists in the implementation of the required government policy (i.e., NISPOM, DCID 6/3), and may make recommendations on process tailoring.
Performs extensive analyses to validate established security requirements and to recommends additional security requirements and safeguards.
Supports the formal Security Test and Evaluation (ST&E) required by each government accrediting authority through pre-test preparations, participation in the tests, analysis of the results, and preparation of required reports.
Periodically conducts of a review of each system's audits and monitors corrective actions until all actions are closed.
Provides advanced guidance and leadership to less- experienced cybersecurity personnel.
May serve as a team or task leader. (Not a people manager)
Education Requirement
BA/BS (or equivalent experience)
Experience Requirement
11+ years of experience
Location:Reston, Virginia
Type:Contract
Job#2306
Title: Integration Developer
Company Overview:
Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.
Integration Developer Reston Location highly preferred Potential for remote work Unclassified
Key skills needed: UI, UX, API Microsoft stack —————————————————————- Integration Developer
Job Description:
Seeking highly motivated Developers/Engineers to build and implement functional software solutions, that thrives in a fast-paced, agile environment including the ability to engage in open and animated peer review sessions, able to change direction quickly, and an eagerness to learn new technologies.
All development staff experience full exposure to application lifecycle management (ALM), which affords our employees the opportunity to learn and work across many functional areas including UI/UX, business layer, database design, application architecture, etc.
The ideal team member is a self-starter with effective problem-solving skills, excellent written and verbal communication, and a curiosity for new challenges and experiences. Additionally, candidates will ideally have experience that highlights their critical thinking skills, lifelong learning habits, and effective presentation skills to help team members and clients understand issues, opportunities, and proposed solutions.
The selected candidate will build and implement functional software solutions in a fast-paced, agile environment and have the ability to engage in open and animated peer review sessions, change direction quickly, and an eagerness to learn new technologies.
Job Requirements:
• Collaborate with software architects and developers.
• Collaborate with the project managers, analysts, and customers in the analysis, design, creation, and maintenance of integration solutions.
• Produce code to develop easy maintenance and extension of DSI software products.
• Integrate software components and third-party programs.
• Understand and demonstrate development skills utilizing ASP.NET, .NET Core, .NET Framework, C#, and JavaScript/JQuery.
• Troubleshoot, debug, and upgrade existing software.
• Perform validation and verification testing prior to deploying implementations.
• Recommend and execute improvements.
• Create technical documentation for reference and reporting.
• All other duties as assigned.
Required Experience:
• 5+ years of experience with software development, infrastructure development, or related field.
• Working understanding of SQL, SSL Certificates, and Single Sign on Configurations.
• Understanding of the asp.net application lifecycle from IIS to the DOM.
• Create and consume REST and SOAP web services.
• Experience with Windows environment and Visual Studio.
• Experience with .NET, SaaS.
• Experience with Scrum/Agile methodologies.
• Good verbal and written communication skills.
• Able to multitask and manage time efficiently.
• Ability to work independently and in a team.
Desired Experience:
• Bachelor’s degree in Computer Science, Engineering, Software Engineering, or related field.
Location:Reston, Virginia
Type:Contract
Job#2224
Title: DevOps Systems Engineer
Location: Herndon, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.
DevOps Systems Engineer
Job Description
DevOps Systems Engineer Herndon, VA
Work directly with the DevOps team and Senior DevOps manager to understand system deployment and installation processes.
Manage all computer systems and oversee the daily performance, keeping an eye out for issues and inefficiencies.
Respond to user issues, answering inquiries and resolving more complicated issues firsthand.
Maintain records of system performance, combining raw information into a useful and beneficial performance report for monthly board meetings.
Create training material whenever new recruits are hired to explain the correct and most efficient way to operate the implemented systems.
Other duties as assigned.
Required Experience:
Must hold an Active TS/SCI with polygraph ONLY, all others need not apply.
Knowledge of best practices and IT operations in an always-up, always-available service.
Ability to work in a team-oriented environment for a matrixed organization.
Experience with Microsoft operating systems/Windows environments.
Experience with AWS deployments.
Previous experience with software development, infrastructure development, development and operations or working in an IT department.
Effective communication skills.
Ability to effectively collaborate with internal and external customers.
Demonstrated analytical and problem-solving capabilities.
Proven ability to communicate technical details to a non-technical audience.
Excellent organizational and time management skills.
Strong team player that is willing to help other team members at all times.
Desired Experience:
Bachelor’s degree in Computer Science or a related field.
Knowledge of the Federal Acquisition Lifecycle or commercial contracting.
Knowledge of Federal financial systems or commercial accounting.
Experience with Federal government contracting and/or program office organizations business processes.