Cross Domain Solution (CDS) Engineer

General Dynamics Information Technology

9d • $114,750 - $155,250 • Onsite

About The Position

GDIT is hiring a Cross Domain Solution (CDS) Engineer to support secure, multidirectional information sharing across security boundaries for U.S. Government and USAREUR-AF G6 Joint Coalition Network Division missions. The role deploys, configures, administers, integrates, and maintains high-assurance CDS across multilevel classified enclaves, including NIPRNet, SIPRNet, and MPN. Work involves Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG), as well as hardware-based enforcement tools, hardened operating systems, and SIEM logging. The position supports customized security rulesets, operational automation, compliance, and continued Authority to Operate.

This is a full-time, on-site position in Wiesbaden, Germany, with 40 scheduled weekly hours and less than 10% travel required. An active TS/SCI clearance and U.S. citizenship are required. The role requires at least five years of systems engineering or administration experience supporting DoD-approved CDS, along with a DoD 8570/8140 IAT Level II certification. A technical training credential, certification, or degree in a related field is required. The stated salary range is $114,750–$155,250; compensation may vary with experience, location, and contractual requirements. International assignments may include allowances, premium uplifts, or relocation or transportation benefits.

GDIT describes its workplace as offering career growth tools, internal mobility support, comprehensive benefits and wellness packages, and an innovation-focused, military-friendly culture. Benefits mentioned include a 401(k) with company match, paid time off, medical, dental, vision, disability, and life insurance options, and paid parental and other leave.

Requirements

• At least 5 years of systems engineering or administration experience supporting DoD-approved Cross Domain Solutions.
• Technical training, certification, or a degree in Information Technology, Computer Science, Information Systems, Software Development, Data Analytics, Cyber Security, Software Engineering, or a related field.
• Active TS/SCI security clearance required to start.
• U.S. citizenship required.
• DoD 8570/8140 IAT Level II certification, such as CompTIA Security+ CE.
• Ability to administer and harden Red Hat Enterprise Linux and legacy Solaris, including configuring and troubleshooting SELinux policies, labeling, and mandatory access controls.
• Strong scripting skills in Bash, Python, or Perl.
• Basic understanding of networking principles.
• Deep understanding of data serialization formats and protocols, including XML, JSON, CSV, PDF, Link 16, USMTF, NITF, MPEG, TENA, and DIS.
• Proficiency with Everfox Control Center for centralized system management, configuration deployment, and health and status monitoring.
• Strong communication skills to explain security boundaries, rulesets, and risk assessments to technical and non-technical stakeholders.
• Direct experience navigating NCDSMO Raise the Bar compliance guidelines.
• Understanding of the Risk Management Framework, including NIST SP 800-53 and CNSSI 1253.
• Experience preparing for and supporting independent Lab-Based Security Assessments and Site-Based Security Assessments.
• Meet one of the stated TESA combinations: a bachelor's degree plus 3 years of recent specialized experience; an associate's degree plus 7 years; a major certification plus 7 years; or 11 years of recent specialized experience.

Nice To Haves

• Higher-level cybersecurity certification such as CISSP, CASP+, or Red Hat Certified System Administrator (RHCSA).

Responsibilities

• Support integration, administration, and lifecycle management of Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG) across multilevel classified enclaves.
• Identify cross-domain information exchange requirements with operational personnel, government stakeholders, cybersecurity teams, and technical staff, and build and test customized security rulesets.
• Improve operational efficiency through automation, policy tuning, data validation, and continuous process improvement while keeping transfer latencies minimal.
• Install, configure, integrate, patch, and administer CDS products across physical, virtualized, and hybrid environments.
• Administer and harden supporting operating systems, including Red Hat Enterprise Linux and legacy Solaris, and configure and troubleshoot SELinux policies, labeling, and mandatory access controls.
• Use scripting to automate file movements, validate structured formats, and parse system audit logs.
• Use the Everfox Control Center for centralized system management, configuration deployment, and health and status monitoring.
• Use hardware-based enforcement tools such as data diodes and high-assurance guards, and leverage SIEM logging for auditing.
• Maintain compliance with NCDSMO standards and support the system's Authority to Operate.
• Prepare for and support independent Lab-Based Security Assessments and Site-Based Security Assessments to obtain an Authority to Operate.
• Help draft and maintain System Security Plans, Security Control Traceability Matrices, and Concepts of Operations.

Benefits

• Comprehensive benefits and wellness packages.
• 401(k) with company match.
• Competitive pay.
• Paid time off, including vacation, sick and personal time, holidays, and paid parental, military, bereavement, and jury duty leave.
• Medical plan options, some with Health Savings Accounts.
• Dental plan options.
• Vision plan.
• Short- and long-term disability benefits.
• Life insurance and related accident and critical illness insurance offerings.
• Career growth tools and internal mobility support.
• International assignment may include allowances, premium uplifts, or relocation or transportation benefits.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed