Secure Cross-Domain Systems Engineer (Secret)

CACI; United States; On-site; USD 108,000 - 228,000; Full time

Job summary

CACI is seeking a highly skilled Cross Domain Systems Engineer to support secure information-sharing across multiple classification domains. The CDS Engineer will enable policy-compliant data transfer between mission systems in multi-domain environments and support Army tactical networks.

The role requires 3–5 years of CDS experience, DoD RMF familiarity, and hands-on work with CDS technologies. A Secret clearance is required and travel up to 10% across the Continental US.

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, Cybersecurity, Information Systems, or related discipline; 3-5 years of applicable experience.
• Experience engineering or integrating Cross Domain Solutions, guard technologies, Multi-Level Security systems, and/or multi-domain security architectures.
• Familiarity with RMF, ICD 503, NIST 800-53, DoDI 8540.01, AR 25-2-1, and DoD/IC Cross Domain security policies.
• Hands-on experience with at least one CDS technology (e.g., Radiant Mercury, High Speed Guard, TACDS, ISSE Guard, OWL XD).
• Strong understanding of network protocols, enclave boundary security, data labeling, releasability enforcement, and secure data transport.

Responsibilities

• Engineer, integrate, test, and validate Cross Domain Solutions across multiple classification domains.
• Support secure architecture design, data flow engineering, and cybersecurity-compliant implementations.
• Develop and maintain system design documents, interface documents, and assessments.
• Perform requirements analysis, system modeling, test planning, and validation activities.
• Support DoW and Army Cross Domain authorization processes, including security control assessments and POA&Ms.
• Analyze cyber, network, and data-handling risks and suggest mitigations per DoD policies.
• Collaborate with Government engineers, program leads, cyber SMEs, and system integrators.
• Provide technical expertise during fielding, lab experiments, and operational assessments.
• Support configuration management, troubleshooting, incident response, and lifecycle sustainment.

Skills

CDS technology experience

Cross Domain Solutions

RMF knowledge

Linux systems engineering

Network security

Education

Bachelor's degree in CS/EE/Cybersecurity or related

Master’s preferred

Tools

Radiant Mercury

High Speed Guard

TACDS

ISSE Guard

OWL XD

Job description

CACI is seeking a highly skilled Cross Domain Systems Engineer to support secure information-sharing across multiple classification domains. The CDS Engineer will enable policy-compliant data transfer between mission systems in multi-domain environments and support Army tactical networks.

The role requires 3–5 years of CDS experience, DoD RMF familiarity, and hands-on work with CDS technologies. A Secret clearance is required and travel up to 10% across the Continental US.