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Added 21 hours ago
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Data Intelligence LLC

Cybersecurity Systems Engineer III

Moorestown, NJ, United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

Data Intelligence, LLC (DI) is seeking a Cybersecurity Systems Engineer III to support the development and sustainment of the U.S. Navy's Aegis Weapon System in Moorestown, NJ.

This position focuses on integrating cybersecurity principles and requirements throughout the systems engineering lifecycle, including system architecture, requirements development, risk assessment, verification, and integration.

The ideal candidate has hands-on experience translating cybersecurity controls and technical requirements into system designs and engineering solutions. This is a systems engineering position focused on cybersecurity rather than a traditional cybersecurity operations, system administration, or compliance-only role.

Job Responsibilities:

• Develop, analyze, decompose, and maintain cybersecurity requirements, including traceability throughout the engineering lifecycle.

• Interpret and translate Risk Management Framework (RMF) and NIST SP 800-53 security controls into actionable system and functional requirements.

• Develop and maintain cybersecurity architecture documentation, system models, and Model-Based Systems Engineering (MBSE) artifacts.

• Evaluate system designs, interfaces, and proposed modifications to identify cybersecurity risks and impacts.

• Apply cybersecurity concepts, technologies, and security controls to system architecture and engineering design.

• Develop verification approaches, test objectives, and acceptance criteria to validate cybersecurity requirements.

• Support system integration, testing, troubleshooting, and resolution of cybersecurity-related engineering issues.

• Conduct cybersecurity risk assessments and prepare associated technical documentation.

• Collaborate with software, systems, network, cybersecurity, and test engineering teams to resolve technical challenges.

• Support technical reviews and the development of engineering documentation for complex, mission-critical systems.

Required Skills/Experience:

• U.S. citizenship and an active U.S. Government Secret security clearance. An Interim Secret may be acceptable to start, pending confirmation.

• Bachelor's degree in Engineering, Computer Science, Cybersecurity, Systems Engineering, or a related technical discipline.

• Five or more years of related systems engineering experience, including at least two years of professional cybersecurity or cybersecurity systems engineering experience.

• Experience developing, decomposing, managing, and tracing technical requirements.

• Experience applying cybersecurity principles and controls to system design, architecture, implementation, and verification.

• Knowledge of RMF and NIST SP 800-53, including interpreting security controls for technical implementation.

• Experience using requirements management tools such as IBM DOORS Next Generation (DNG) or equivalent.

• Experience with MBSE and modeling tools such as Cameo, Rhapsody, or equivalent.

• Working knowledge of cybersecurity technologies and concepts, including Zero Trust Architecture, SIEM, next-generation firewalls, identity and access management, and network security.

• Experience developing verification criteria, test objectives, or validation methods for cybersecurity requirements.

• Familiarity with Windows operating environments and interactions between operating systems, applications, networks, and security controls.

• CompTIA Security+ or another qualifying DoD 8570 IAT/IAM Level II or higher approved certification.

• Ability to work independently in on-site engineering and laboratory environments.

• Strong technical documentation and communication skills.

Preferred Qualifications:

• Experience with U.S. Navy, Department of Defense, or other mission-critical systems.

• Familiarity with the Aegis Weapon System, radar, sensors, combat systems, or complex software-intensive platforms.

• Experience applying cybersecurity engineering principles within system-of-systems architectures.

• Familiarity with Red Hat Enterprise Linux or other Linux/Unix environments.

• Experience supporting formal systems engineering reviews, including SRR, PDR, CDR, and TRR.

• Experience preparing RMF, engineering, cybersecurity, or customer-deliverable technical documentation.

• Background in real-time or embedded software-intensive systems.

About Data Intelligence, LLC:

Data Intelligence, LLC (DI) is a small business that provides Information Technology System Development (Agile, DevSecOps, Cloud Platform support) Cybersecurity (RMF, Security Engineering, Cross Domain Solutions), Tactical Data Link Standards Development and Testing, and Logistics/Warehousing services to U.S. federal clients both CONUS and OCONUS. DI consistently demonstrates exceptional customer service, maintains an employee-centric culture, and delivers hands-on technical expertise to help our clients achieve their mission.

Since 2005, DI has successfully provided IT Systems Engineering, Software Development, Cybersecurity, and supporting solutions and services to customers that include the Department of Defense, Intelligence, and Federal Civilian clients. Current clients include the US Navy, Air Force, Army, Marine Corps, Coast Guard, National Geospatial-Intelligence Agency, Defense Logistics Agency, and The Department of Homeland Security. DI is headquartered in Marlton, New Jersey, with satellite offices in California, Maryland, Ohio, Pennsylvania, Virginia, and Washington, D.C.

Why you should join us:

Data Intelligence offers competitive salaries, comprehensive benefits, a team-oriented environment, and opportunities for advancement. Our excellent employee retention record reflects our employee focus. We work with Veteran’s organization to proactively hire those who have served our country. We offer medical, dental and vision insurance, 401k, PTO and 11 paid holidays.

Data Intelligence is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

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More about this job

Skills

Cybersecurity
Hazard assessment
Risk management
Documentation
ICT system integration
Troubleshooting
Computer science
Identity and access management
Microsoft Windows
Security+
Work independently
Communication skills
Engineering principles
Red Hat Enterprise Linux
Linux
UNIX

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