Cross Domain Systems Engineer (CDS)

CACI International•Aberdeen Proving Ground, MD

1d•$108,400 - $227,500•Onsite

About The Position

CACI is seeking a highly skilled Cross Domain Solutions Engineer to support the selection, configuration, integration, assessment, authorization, and sustainment of secure information-sharing capabilities across multiple classification domains. The CDS Engineer will play a key role in advancing Army tactical network protection, enabling secure, reliable, and policy-compliant data transfer between mission systems operating in multi-domain environments.

Requirements

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

Nice To Haves

Master’s degree in computer science, engineering, cybersecurity, or related field.
Prior experience supporting C5ISR Center, Army tactical networks, or related mission partners.
Experience with scripting, automation, or DevSecOps-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.

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.