Cross Domain Solution (CDS) Engineer

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Information Systems, System Administration, Systems Management

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Cross Domain Solution 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.

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.

MEANINGFUL WORK AND PERSONAL IMPACT

• 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.

WHAT YOU’LL NEED TO SUCCEED

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.

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, 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.

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 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.

The likely salary range for this position is $114,750 - $155,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or relocation or transportation benefits, above base salary range noted.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

International

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events at

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans