Cross Domain Systems Engineer (CDS) with Security Clearance

Location: Aberdeen Proving Ground

Job Title:

Cross Domain Systems Engineer (CDS) Job Category:
Engineering Time Type:
Full time Minimum Clearance Required to Start:
Secret Employee Type:
Regular Percentage of

Travel Required:

Up to 10% Type of Travel:
Continental US *
* * 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.

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.

Required 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 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 Desired Qualifications

• 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.

- What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day.

You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location,…