# Cross Domain Solution Engineer

**Company**: GDIT
**Location**: International
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Salary**: $114,750 - $155,250
**Category**: Engineering
**Industry**: Technology

**Apply**: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/International/Cross-Domain-Solution--CDS--Engineer_RQ231299-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_5f65b9f2-d67

## 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.

**Responsibilities**

- 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.

- Install, configure, integrate, patch, and administer Lockheed Martin Radiant Mercury, Everfox Trusted Gateway System (TGS), and Everfox High-Speed Guard (HSG) across physical environments.

**Requirements**

- 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).

**Benefits**

- 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

## Skills

### Required
- Information Systems
- System Administration
- Systems Management
- OS Administration
- Hardening
- Scripting
- Automation
- Networking
- Data Protocols
- Formats
- Centralized Management

### Nice to have
- CISSP
- CASP+
- Red Hat Certified System Administrator/RHCSA

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Source: [Apply at gdit.wd5.myworkdayjobs.com](https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/International/Cross-Domain-Solution--CDS--Engineer_RQ231299-1?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)