Cross Domain Solution (CDS) Engineer

Clearance Level Must Currently Possess:

Clearance Level Must Be Able to Obtain:

Job Family:

Job Description:

Advance how our customers operate while you advance your career. Join GDIT as a Cross Domain Solution (CDS) Engineer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

As a CDS Engineer, the work you’ll do at GDIT will be impactful to the mission of our US Government partners. You will play a crucial role in supporting secure, multi-directional information sharing across security boundaries by deploying, configuring, administering, and maintaining high-assurance Cross Domain Solutions.

• CDS Integration & Lifecycle Management: Support the integration, administration, and lifecycle management of Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG) across multi-level classified enclaves (such as NIPRNet, SIPRNet, and MPN).
• Requirements & Ruleset Development: Collaborate with operational personnel, government stakeholders, cybersecurity teams, and technical staff in the identification of cross-domain information exchange requirements to build and test customized security rulesets.
• Operational Efficiency & Automation: Drive operational efficiency through automation, policy tuning, data validation, and continuous process improvement, reducing manual effort while keeping transfer latencies minimal.
• CDS Product Expertise: Install, configure, integrate, patch, and administer Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG) across physical environments.

Bring your technology expertise and drive for innovation to GDIT. The CDS Engineer must have:

• Education: Technical training, certification, or degree in Information Technology, Computer Science, Information Systems, Software Development, Data Analytics, or a related field.
• Experience: 5+ years of systems engineering or administration experience supporting DoD-approved Cross Domain Solutions (CDS).
• Required Technical skills:
  • OS Administration & Hardening: Administer and harden supporting operating systems (Red Hat Enterprise Linux and legacy Solaris) and configure/troubleshoot SELinux policies, labeling, and mandatory access controls (MAC).
  • Scripting & Automation: Strong scripting skills (Bash, Python, or Perl) to automate file movements, validate structured formats, and parse system audit logs.
  • Network fundamentals: Basic understanding of networking principles.
  • Data Protocols & Formats: Deep understanding of data serialization formats and protocols, including XML, JSON, CSV, PDF, and military tactical data formats (e.g., Link 16, USMTF, NITF, MPEG, TENA, DIS).
  • Centralized Management: Proficiency utilizing the Everfox Control Center for centralized system management, configuration deployment, and health/status monitoring.
• Certifications: DoD 8570/8140 IAT Level II certification (such as CompTIA Security+ CE) required; higher-level cybersecurity certifications (such as CISSP, CASP+, or Red Hat Certified System Administrator/RHCSA) are highly preferred.
• Clearance: Active TS/SCI required to start
• Role requirements:
  • Strong communication skills with the ability to explain complex security boundaries, rulesets, and risk assessments to both technical and non-technical stakeholders.
  • Direct experience navigating the National Cross Domain Strategy and Management Office (NCDSMO) “Raise the Bar” (RTB) compliance guidelines.
  • Solid understanding of the Risk Management Framework (RMF) (NIST SP 800-53, CNSSI 1253) to help draft and maintain System Security Plans (SSPs), Security Control Traceability Matrices (SCTMs), and Concept of Operations (ConOps).
  • Experience preparing for and supporting independent Lab-Based Security Assessments (LBSA) and Site-Based Security Assessments (SBSA) to obtain an Authority to Operate (ATO).
• Location: Full-time, on-site in Wiesbaden, Germany
• TESA Requirement: Bachelor’s degree plus 3 years of recent specialized experience; OR; An associate’s degree plus 7 years of recent specialized experience; OR; A major certification plus 7 years of recent specialized experience; OR; 11 years of recent specialized experience.

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

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