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.

IT & Security Admin
Are you new to the IT field and are looking for a company to help you grow your skills?  Have you been searching for jobs but each one says you need a clearance to apply?  Well, if you said yes to both of those questions, we have the opportunity for you.  We are currently looking to add an energetic individual to our IT and Security department.  Starting off in this role, you will be exposed to an enterprise Microsoft 365 environment.  You will help maintain our “managed services” environment in conjunction with our outside support team.  We will invest in your IT career and help you navigate through the system, starting off with obtaining you’re A+ Certification.  While you hone your IT skills in a hands-on environment, we will also process you for your DoD Government Clearance.  Once you are cleared, your position will transfer into a hybrid IT/Security role, where you will be exposed to the ever-expanding Personnel Security field.  Our investment in you will continue with helping you obtain your AFSO Certification, furthering your career.

Eligible candidates should have a basic understanding of Microsoft products, have a can-do attitude, and have the ability to obtain/maintain a DoD Government Clearance.  Below is a list of the technologies that you will be both exposed to, as well as trained on, once on board.

Job Description

Requirements

 

Linux-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: Annapolis Junction, MD

Supporting the Most Exciting and Meaningful Missions in the World
 

Are you looking to make great use of your reverse engineering (RE) and embedded development skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing embedded development / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you to help start a new stage of your career at Parsons, to support a recently awarded 5 year contract!

You'll get the opportunity to do reverse engineering and embedded development to support a critical customer mission and develop much needed capabilities. You'll get to work at our local contractor site, integrated into the our team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
– 10+ years of software engineering / reverse engineering / vulnerability research experience (or 5 years experience + a Masters)
– Experience with Linux/Unix internals
– Expertise with the C programming language​

Desired Qualifications:
– Reverse engineering experience

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Virtualization-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: Hanover, MD

Supporting the Most Exciting and Meaningful Missions in the World

Are you looking to make great use of your C programming and Windows Internals skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing subject matter experts, we have the perfect position for you, keep reading;

You'll get the opportunity to do software development in C and leverage your Windows Internals skills to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
10+ years of software engineering / reverse engineering / vulnerability research experience (or substitute 2 years' experience with a Master's)
– Embedded experience
– Expertise with the C programming language​
– ​In-depth understanding of network protocols
– ​Memory Management
– ​Windows Internals
– ​Reverse Engineering for debugging

Desired Qualifications:
– Python

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Virtualization-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: R&E

Supporting the Most Exciting and Meaningful Missions in the World

Are you looking to make great use of your C programming and Windows Internals skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing subject matter experts, we have the perfect position for you, keep reading;

You'll get the opportunity to do software development in C and leverage your Windows Internals skills to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
10+ years of software engineering / reverse engineering / vulnerability research experience (or substitute 2 years' experience with a Master's)
– Embedded experience
– Expertise with the C programming language​
– ​In-depth understanding of network protocols
– ​Memory Management
– ​Windows Internals
– ​Reverse Engineering for debugging

Desired Qualifications:
– Python

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

 Network-Savvy CNO Developerh

Location: Hanover, MD
*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.

Supporting the Most Exciting and Meaningful Missions in the World
 

Are you looking to make great use of your reverse engineering (RE) and embedded development skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing embedded development / vulnerability research (VR) / RE subject matter experts, we have the perfect position for you, please keep reading….

You'll get the opportunity to do RE, VR, and embedded development skills to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO development skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:

– 5+ years of software engineering / reverse engineering / vulnerability research experience (or 3 years experience + a Master's)
– Experience with Reverse Engineering
– Expertise with the C programming language​
– ​In-depth understanding of network protocols
– Experience with network device appliances (routers, switches, firewalls)
– Experience working in a Real Time OS environment

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Firmware-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: Hanover, MD

*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.

Supporting the Most Exciting and Meaningful Missions in the World
 

Are you looking to make great use of your reverse engineering (RE) and embedded development skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing embedded development / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you, please keep reading….

You'll get the opportunity to do reverse engineering, embedded development, and SAS development to support a critical customer mission and develop much needed capabilities. You'll get to work at our local contractor site, integrated into the our team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:

– BS +5 years of software development experience
– Strong proficiency in C Programming
– Experience with Vulnerability Research
– Expertise with Reverse Engineering
– Experience with developing firmware

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

iOS-Savvy Reverse Engineer

Clearance: TS/SCI with Full Scope Polygraph
Location: R&E

Supporting the Most Exciting and Meaningful Missions in the World
 

Job Description:

Are you looking to make great use of your iOS reverse engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing iOS team / reverse engineering subject matter experts, we have the perfect position for you, please keep reading….

You'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
– 5+ years of software engineering / reverse engineering / vulnerability research experience (or 3 years experience + a Masters)
– Experience with Reverse Engineering
– Experience with Vulnerability Research
– Experience with iOS development / analysis

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

iOS-Savvy Reverse Engineer

Clearance: TS/SCI with Full Scope Polygraph
Location: Ft. Meade, Maryland

*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.

Supporting the Most Exciting and Meaningful Missions in the World
 

Job Description:

Are you looking to make great use of your iOS reverse engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing iOS development access / reverse engineering subject matter experts, we have the perfect position for you, please keep reading….

You'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
– 5+ years of software engineering / reverse engineering / vulnerability research experience (or 3 years experience + a Masters)
– Experience with Reverse Engineering
– Experience with Vulnerability Research
– Experience with iOS development / analysis

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Firmware-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: Ft. Meade, MD

*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.

Supporting the Most Exciting and Meaningful Missions in the World
 

Are you looking to make great use of your reverse engineering (RE) and embedded development skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing embedded development / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you, please keep reading….

You'll get the opportunity to do reverse engineering, embedded development, and SAS development to support a critical customer mission and develop much needed capabilities. You'll get to work at our local contractor site, integrated into the our team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:

– BS +5 years of software development experience
– Experience with Firmware
– Expertise with Reverse Engineering
– ARM Assembly
– C Programming

Desired Qualifications:
– BIOS or UEFI Experience

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Virtualization-Savvy CNO Devloper

Clearance: TS/SCI with Full Scope Polygraph
Location: Ft. Meade, MD

*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.

Supporting the Most Exciting and Meaningful Missions in the World
 

Are you looking to make great use of your C programming and Windows Internals skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference, and learn from / collaborate with our existing subject matter experts, we have the perfect position for you, keep reading;

You'll get the opportunity to do software development in C and leverage your Windows Internals skills to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site, integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.

Required Qualifications:
– BS +5 years of software development experience
– Experience with Windows internals
– Expertise with C programming
– Embedded
– Memory Management
– Networking – network protocols, SSL, Security Layers
– TS/SCI clearance (with polygraph)

Desired Qualifications:
– Reverse engineering experience
– Experience with hypervisors, including development

Minimum Clearance Required to Start:

Top Secret SCI w/Polygraph

Cyber Vulnerability Assessment & Analysis Officer
Clearance: TS/SCI with Full Scope Polygraph
Reston, VA

Supporting the Most Exciting and Meaningful Missions in the World

 We are looking for a team-members with creative talent who are ready to take on the challenge of, Cyber Security Vulnerability A&A Officer to support at a sponsor facility. The Cyber Vulnerability A&A Officer is deployed to collocate with Sponsor’s offices, departments, or programs. The officer shall perform the following functions and deliver outcomes as follows: please keep reading…

Core responsibilities of the position include:

· Perform vulnerability assessment against system baselines to evaluate effectiveness of system configurations to include validation of system software, software patching and hardware configurations.

· Conduct compliance checks for patches on deployed program systems.

· Conduct vulnerability assessment to support sponsor with Assessment & Accreditation Security Policies & procedures, and compliance with ISSO/ISSM requirements and sponsor’s security regulations.

· Assure compliance with accreditation documentation in coordination with program ISSO/ISSM staff.

· Conduct Nmap port scanning as needed.

· Operate open source security tools, such as Nmap, or other applicable products approved and provided by the sponsor.

· Operate sponsor provided proprietary security tools such as Tenable Nessus, WebInspect, AppDetective, Rapid 7 Nexpose, RoadRunner, Greenlight, TEMIS, etc..

· Understand and operate network device implementations.

· Coordinate with ISSO on security incident response for Information Assurance concerns.

· Assist the sponsor with vulnerability assessment, including evaluation of specific configurations of program network devices and network enable software applications on both window and Linux platforms.

· Ensure program laptops are configured in accordance with sponsor’s Laptop Compliance Process, or current sponsor’s regulations/requirements by either completing configurations or by providing advice/resources of who can configure the laptop based on the customer’s office.

· Maintain the sponsor’s laptop security program, to include updating sponsor’s system of record and/or enduring responsible officers update the system of record.

· Develop and maintain a program that supports and encourages 100% laptop compliance providing options and standard operating procedures that account for mission requirements and a geographically distributed workforce.

· Provide ad-hoc security administration or communication security (COMSEC) support, as required.

Required experience:

· Minimum 6 years’ experience performing full range of Cyber A&A functions

· Relevant industry certifications

· Demonstrated ability to work independently with minimal guidance and in small dynamic teams often under time-constraints

· US government issued Top Secret/SCI security clearance required at time of application

· Must be a US Citizen at time of application

Preferred Qualifications

· 8 years’ experience working in the Cyber A&A field.

· Previous experience working within the customer space

· Proficient in Microsoft office suite of products
 

Title: Software Engineer
Location: Alexandria, VA/Remote Local
Clearance: Top Secret preferred, No clearance required
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. 

We are looking for a skilled software engineer with a focus on Front-end development to join our development team to create cutting-edge tools for forensics and biometrics, including a state-of-the-art DNA matching and tracking system. The ideal candidate has advanced software design and engineering knowledge, a good eye for detail, and a natural gift for software troubleshooting.  

You will be working with a talented team on an exciting project that solves crimes and exonerates the innocent. The ideal candidate is a great software developer who also wants to be expert using state-of-the-art automated testing frameworks.  

Job Responsibilities: 

Qualifications: 

Program Security Officer – PSO
Clearance:
TS/SCI with Polygraph
Tysons, VA

Provide comprehensive security assistance and over site to all facets of the program, including operational security/program protection, personnel physical/technical, industrial, and information systems security:

Supporting the Most Exciting and Meaningful Missions in the World

Program Security Officer (Level 4) – Understands the work and can lead

We are looking for a team-members with creative talent who are ready to take on the challenge of Program Security Officer who works with collaborative teams to provide guidance for operational security, program protection planning, physical/ technical & Industrial security, please keep reading….

Core responsibilities of the position include:

Required experience:

Title: Linux System Administrator
Location: Oakton, VA
*Clearance* : Secret Clearance required

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. 

Basic Qualifications:

Bachelor of Science in a STEM (Science, Technology, Engineering, Mathematics) related field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience. Agile experience preferred.
 
CLEARANCE REQUIREMENTS:
Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a Government background investigation and must meet eligibility and suitability requirements. Due to the nature of work performed within our facilities, U.S. citizenship is required.

All contract work must be performed within our GDMS facility located in Oakton, Virginia.
 
PERKS:

General Dynamics Mission Systems has an immediate opening for a Linux System Administrator.  This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense/intelligence services and systems.  General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.
 
What you bring to the table:

 
Ideally, you will also have experience with:

 
What sets you apart:

 
REPRESENTATIVE DUTIES AND TASKS:

Monitors Physical and Virtual Servers performance using monitoring tools

 

Title: Web/JavaScript Developer
Permanent Placement
Location: Oakton, VA
*Clearance* : Secret Clearance Required

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. 

Bachelor of Science in a STEM (Science, Technology, Engineering, Mathematics) related field plus a minimum of 2 years of relevant experience; or Master's degree. Agile experience preferred.

CLEARANCE REQUIREMENTS:
Ability to obtain Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a Government background investigation and must meet eligibility and suitability requirements. Due to the nature of work performed within our facilities, U.S. citizenship is required.
RESPONSIBILITIES FOR THIS POSITION
All contract work must be performed within our facility located in Oakton, Virginia.

As a Software Engineer / Web Development, you’ll perform software requirements analysis, participate in research and design, and develop and test software and tools. From inventing new products or enhancing existing applications, your talent will be front and center.
What You’ll Experience:

What You Bring To The Table:

Ideally, you will also have experience with:

What Sets You Apart:

Program Deets:

Program Name: Sparta
Customer: DEA
Program length: 30 years (3 years left in contract) – Has been sole source for over a 2 decades
Program location: I66 & 123 in Oakton
People on Contract: 20
Agile Shop
Easy to get to. Ample parking.
Very flexible on hours
On Site work (no hybrid or remote opportunities)

Data Center work. All Linux, 6 databases all running Oracle 20.  Custom shop with a small close knit group consisting of 2 teams. Software Development Team and System Support Team.

Hi performance computing shop that tries to be cutting edge (trying to get as close to latest tech as possible).  No stove piped jobs.  Cross functional support team that allows team members to work in areas outside of their job/position.  This gives the team member the ability to challenge themselves and to develop a long term career path. No anchor to any position!

Shop is agile, do sprints, and like outside of the box ideas.  Looking to go from on-prem data center to a hybrid (on-prem / virtual machine) using the lift & shift model. Looking for technologist who enjoy performance tuning.

This team takes data from multiple sources in any format (structured or unstructured), transforms it into interpretable fragments, and allows engines to categorize, quantify, distill, and deliver results for DEF Analysts to interpret. Team members work closely with customers to develop solutions that allow them to carry out high-stakes drug enforcement crime missions. The technology stack is built on hardware and software in Linux environments interfacing with multi-petabyte data processing and analytic platforms – all designed, built, and maintained by the program team.