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# Cross Domain Solution (CDS) Engineer

- **Company:** General Dynamics Information Technology, Inc.
- **Location:** Wiesbaden, Germany
- **Experience:** Expert
- **Salary:** €114,750.0 - €155,250.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Systems Engineering, Bash Shell, CompTIA Security+, Cyber Security, Information Systems, Data Validation, Serialization, Perl (Programming Language), Information Technology Audit, JSON, Python (Programming Language), Link 16, Networking Basics, NIPRNet, Performance Tuning, Red Hat Enterprise Linux, Security Information and Event Management, Software Engineering, Solaris (Operating System), Extensible Markup Language (XML), Data Logging, Scripting, Audio Codec, Selinux, Information Technology, Data Analytics
- **Published:** October 29, 2026
- **Apply:** https://gdit.wd5.myworkdayjobs.com/External_Career_Site/job/International/Cross-Domain-Solution--CDS--Engineer_RQ231299-1/apply

## About the Role

* 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., personnel, government stakeholders, cybersecurity teams, and technical staff in the identification of cross-domain information exchange requirements to build and test customized security rulesets.* Drive operational efficiency through automation, policy tuning, data validation, and continuous process improvement, reducing manual effort while keeping transfer latencies minimal. * Utilize hardware-based enforcement tools (such as Data Diodes and High Assurance Guards), operate within hardened OS environments, and leverage SIEM logging for auditing. Success depends on maintaining compliance with NCDSMO standards to preserve the system's Authority to Operate. WHAT YOU'LL NEED TO SUCCEED Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Senior must have: * Education: Technical training, certification, or degree in Information Technology, Computer Science, Cyber Security, Information Systems, Software Engineering, or a related field. *
Experience: 5+ years of systems engineering or administration experience supporting DoD-approved Cross Domain Solutions (CDS). * Technical skills: Ability to install, configure, integrate, patch, and administer Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG) across physical, virtualized, and hybrid environments. Ability to administer and harden supporting operating systems (Red Hat Enterprise Linux and legacy Solaris) and configure/troubleshoot SELinux policies, labeling, and mandatory access controls (MAC). Strong scripting skills (Bash, Python, or Perl) to automate file movements, validate structured formats, and parse system audit logs. Understanding of networking principals. * Security clearance level: Active DoD Top Secret / Sensitive Compartmented Information (TS/SCI) security clearance. * US citizenship required. * Role requirements: Strong communication skills with the ability to explain complex security
boundaries, rulesets, and risk assessments to both technical and non-technical stakeholders. 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. Direct experience navigating the National Cross Domain Strategy and Management Office (NCDSMO) "Raise the Bar" (RTB) compliance guidelines. Experience preparing for and supporting independent Lab-Based Security Assessments (LBSA) and Site-Based Security Assessments (SBSA) to obtain an Authority to Operate. GDIT IS YOUR PLACE 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, and competitive pay and paid time off * Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY 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.

Work Requirements

Years of Experience

5 + years of related experience

 * may vary based on technical training, certification(s), or degree
Certification

## Description

* 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.
*, Cross Domain Solution (CDS) Engineer 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. MEANINGFUL WORK AND PERSONAL IMPACT As a Cross Domain Solution (CDS) Engineer, the work you'll do at GDIT will be impactful to the mission of USAREUR-AF G6 Joint Coalition Network Division (JCND). 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. * Lead/Manage/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). * Collaborate with operational