Cross Domain Systems Engineer; CDS

Key Responsibilities

• Engineer, integrate, test, and validate Cross Domain Solutions (High-to-Low, Low-to-High, bi-directional) supporting tactical mission systems.
• Support secure architecture design, data flow engineering, and cybersecurity-compliant implementations.
• Develop and maintain system design documentation, interface documents, engineering change proposals, and assessments.
• Perform requirements analysis, system modeling, test planning, and verification/validation activities.
• Support DoW and Army Cross Domain authorization processes, including security control assessments, test documentation, POA&Ms, and interoperability assessments.
• Analyze cyber, network, and data-handling risks; recommend mitigations aligned with DoD RMF and Intelligence Community cross-domain security policies.
• Collaborate with Government engineers, program leads, cyber SMEs, and system integrators.
• Provide technical expertise during system fielding, integration events, lab-based experimentation, and operational assessments.
• Support configuration management, troubleshooting, incident response, and lifecycle sustainment of CDS technologies.

• 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 DoD Risk Management Framework (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, etc).
• Strong understanding of network protocols, enclave boundary security, data labeling, releasability enforcement, and secure data transport.
• Experience with Linux systems engineering and secure system configuration hardening.
• Secret clearance.

• Master's degree in computer science, engineering, cybersecurity, or related field.
• Prior experience supporting C5
  
  ISR Center, Army tactical networks, or related mission partners.
• Experience with scripting, automation, or Dev Sec Ops -based test workflows.
• Knowledge of tactical communications systems, enclave architectures, cloud/edge environments, or mission command/command post systems.
• Certifications:
  
  Security+, CISSP, CEH, CASP, or equivalent DoD 8570/8140 IAT/IASAE Level II/III.

Pay Range: $108,400 - $227,500 (USD). Benefits include healthcare, wellness, financial, retirement, family support, continuing education, and time-off benefits.

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.