Title: Systems Administrator Location: Colorado Springs, CO *Clearance: *Active TS/SCI 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.
Cornerstone Defense is looking for a Linux System Administrator to join the Space Based Space Surveillance (SBSS)/Red LAN program located in Colorado Springs, Colorado. Responsibilities:
This position leads and maintains various Windows and Unix/Linux-based operating systems across multiple local area networks (LANs). You will be a member of our small team that has multiple LANs and Systems. You will investigate, analyze, and resolve system problems to maintain 24/7 Space Domain Awareness (SDA) data flow to our war fighters. You will have regular contact with customers, subcontractors, and teammates. You will work onsite at the customer location.
Coordinate all aspects of Windows or UNIX/Linux systems in operations, engineering, analysis, and test environments.
Develop and maintain SBSS/Red LAN hardware and software resources within mission objectives for routine and non-routine operations. Perform data collection on equipment, including Government Furnished Equipment GFE. Install, configure, and fix applications and software.
Perform system and user account maintenance.
Implement, test, and assess cyber security configuration of Windows and Linux servers in a Risk Management Framework (RMF) environment.
Install, analyze, test, and implement cyber security patches and hardening.
Monitor, evaluate, and optimize system performance. Perform system backup and restore tasks. Resolve operating system issues.
Support telephone and physical recall for system anomalies as needed.
Provide system administration support and assistance for development systems.
Build, cyber-harden, and configure systems.
Develop disaster recovery procedures. Perform preventive and corrective maintenance activities.
Document maintenance actions.
To meet security standards and protocols, all work is performed onsite.
Required Skills:
5+ years in System Administration or Network Administration.
5+ years of proven ability with UNIX/Linux.
5+ years using centralized services to include Lightweight Directory Access Protocol (LDAP), Domain Name Services (DNS), and System/File recording for system failure recovery (resiliency) (back-ups).
3+ years of experience with Risk Management Framework (RMF) policies and implementation.
One or more current DoD 8570 IAT, Level II Certification: CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP, CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP.
Desired Skills:
5+ years of experience with scripting with Power Shell, Bash or Python.
5+ years of experience with configuration management in Ansible, Puppet, or Chef.
Linux Certification: Red Hat Certified Engineer, Red hat System Administrator, or Linux Professional Institute Certification (LPIC).
Location:Colorado Springs, Colorado
Type:Contract
Job#2491
Title: IT Specialist Location: Colorado Springs, CO *Clearance: *Active TS/SCI 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.
General Requirements:
Perform preventative maintenance which includes but is not limited to installation of new software releases, system upgrades, and patches.
Provide consolidated help desk function/serve as the government IT focal point for customer support.
Handling of full range IT-related issues, including:
Support walk up, telephone or e-mail customer problem resolution.
Receive, answer and transfer, when required, trouble calls and maintenance requests in support of all government missions and personnel.
Assign a ticket number and track communication system outages and repair actions until the issue is resolved.
Deliver all software, designs, records, databases, manuals, guides, standard operating procedures, and similar items developed in rendering problem resolution services.
Troubleshoot, fix, and document failures.
Other IT duties as assigned.
Required Experience:
Basic help desk resolution and service desk delivery.
Experience troubleshooting Cisco networking.
Experience supporting users in a Microsoft Active Directory environment.
Knowledge of Windows 10 servers and current client operating systems (Windows 10 preferred).
Ability to diagnose server/workstation or network alerts, events, or issues.
Ability to communicate effectively, both orally and in writing.
A+ certification or equivalent technical training.
Network + certification or equivalent technical training.
Location:Colorado Springs, Colorado
Type:Contract
Job#2490
Title: Systems Administrator Location: Colorado Springs, CO *Clearance: *Active TS/SCI 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.
General Requirements:
The systems administrator will be responsible for maintaining and administering classified computer networks, user computer equipment and related computer environments including systems software, applications software, hardware, and configurations.
Desired Experience:
Experience in all aspects of Windows Desktop administration (e.g. application and services, troubleshooting, application configuration, networking, user accounts, Active Directory and/or security).
Operating system maintenance, patching, and troubleshooting.
Experience with Windows 10 and Windows Server (2016 or newer).
Experience with PowerShell Scripting.
Group policy object creation and maintenance.
Active directory management
Windows Server Update Services (WSUS)
Experience executing DoD STIGs (Security Technical Implementation Guides) for operating systems (Windows 10, Windows Server 2016/2019).
Exchange (2016 or newer)
Experience troubleshooting complex technical issues across many layers.
Location:Colorado Springs, Colorado
Type:Contract
Job#2489
Title: Security Operations Center Engineer Location: Colorado Springs, CO *Clearance: *Active TS/SCI 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.
General Requirements:
The SOC engineer will perform management functions on remote customer equipment, respond to security incidents, and work closely with customers on the phone.
Maintain an understanding of the current vulnerabilities, response, and mitigation strategies used in cyber security operations.
Analyze and report cyber threats as well as assist in deterring, identifying, monitoring, investigating, and analyzing computer network intrusions.
Required Experience:
Experiences with McAfee ePO deployment, administration, configuration, and management of solutions and Security Center
Experience with ELK, Prometheus, and Grafana.
Experience with Anchor, Grype, and Tivoly.
Experience in supporting software application and system code security assessments using automated tools such as Fortify and Sonarqube.
Experience with incident response and security incident management.
Security+ or equivalent certification.
Location:Colorado Springs, Colorado
Type:Contract
Job#2488
Title: Network Operations Center Engineer Location: Colorado Springs, CO *Clearance: *Active TS/SCI 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.
General Requirements:
Monitor network administration and maintenance operations.
Resolve network incidents to ensure the smooth-running of the network operation center.
Apply advanced consulting skills, extensive technical expertise, and full industry knowledge.
Develop innovative solutions to complex problems.
Support problem management resolutions by tracking system-wide problems on the operational networks and work with engineering support, including network engineering, systems engineering, catapult operations, and desktop engineering to see problem troubleshooting through to resolution.
Required Experience:
Experience with Cisco networking.
Knowledge of Windows 10 servers and current client operating systems (Windows 10 preferred).
Experience with ELK, Prometheus, and Grafana.
CCNA or equivalent certification
Location:Colorado Springs, Colorado
Type:Contract
Job#2445
Title: Systems Administrator – Space/Satellite Systems Clearance: Top Secret/SCI
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.
Our Tactical Space Systems Division is seeking multiple System Administrators to support Tactical Space Systems Division in their development and deployment of satellite ground software to customer resources while implementing Continuous Integration/Continuous Deployment (CI/CD) pipelines in an agile environment.
To be successful in this role, you should enjoy learning and learn quickly, be motivated by the opportunity to solve hard problems with challenging boundary conditions, work well with a motivated and mission-focused team, enjoy working with both speed and accuracy, and take great pride in your work and the work of the team(s). You should have demonstrated experience in technical problem solving, to include decomposition, root cause analysis, solution development, implementation, and monitoring. System administrators will be a critical member of one or more Agile Scrum Teams. After hours or extended work week hours may be required.
Qualifications:
Demonstrated expertise in administering either Windows or Linux file servers and managing a user base
System Patching Account Management
Permission Management Patch Installation
Patch Management (Source to Destination)
COTS Product Deployment and Maintenance
Manual Vulnerability Remediation
Software License Management (Installation and Configuration of licenses)
