Cross Domain Solutions (CDS) Engineer - TS/SCI

General Dynamics Information Technology; St. Louis (MO); On-site; USD 140,000 - 170,000; Full time

Job summary

General Dynamics Information Technology is seeking a Cyber Systems Engineer III – ECDS (Cross Domain Engineer) to lead the security design of Cross Domain Solutions for our Intelligence Community customer in Springfield, VA.

You will guide evaluation of new technologies, translate mission needs into engineering plans, and mentor CDS engineers while coordinating with TEMs and stakeholders to deliver secure, compliant CDS capabilities.

Qualifications

• Active TS/SCI clearance with ability to obtain a Polygraph.
• Bachelor’s degree in a technical field, or equivalent experience.
• 6+ years of Cyber Engineer experience across application, system, and network cybersecurity domains.
• Active IAT Level II Approved 8140 (8570) Baseline Certification (Security+CE, etc.).
• Hands‑on experience working with Cross Domain Solutions
• Experience with system accreditation processes and operational support for CDS environments

Responsibilities

• Lead the security design, architecture, and engineering of Cross Domain Solutions.
• Conduct analysis of alternatives for new or evolving data flows.
• Identify solution constraints and define evaluation criteria.
• Prepare complex design packages integrating multiple enterprise systems.
• Update design documents to incorporate new information, operational insights, and lessons learned.
• Develop technical point papers and documentation on CDS-related topics.
• Gather and validate requirements from stakeholders and mission partners.
• Schedule and participate in Technical Exchange Meetings (TEMs) to discuss design and implementation strategies.
• Coordinate implementation timelines and technical approaches with engineering and project management personnel.
• Provide technical inputs to support government strategy, planning, and modernization efforts.
• Collaborate effectively on integrated technical teams.
• Provide guidance, mentorship, and technical solutions to Cross Domain engineers.
• Train team members on new technologies and engineering approaches.

Skills

Cybersecurity

Cross Domain Solutions

Systems engineering

Technical leadership

Education

Bachelor’s degree in a technical field, or equivalent experience

Active IAT Level II Approved 8140 (8570) Baseline Certification (Security+CE, etc.)

Job description

Location: Springfield, VA (NCE – Customer Site)
Clearance: TS/SCI with ability to obtain a Polygraph
Citizenship: US Citizenship Required

Job Description:

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can’t turn into opportunity.

GDIT is seeking a Cyber Systems Engineer III – ECDS (Cross Domain Engineer) to support our Intelligence Community customer in Springfield, VA. In this role, you will lead the engineering and security design of Cross Domain Solutions (CDS), guide the evaluation of new technologies, ensure alignment with mission requirements, and assist in driving future capabilities.

What You’ll Get to Do:

• Lead the security design, architecture, and engineering of Cross Domain Solutions.

• Conduct analysis of alternatives for new or evolving data flows.

• Identify solution constraints and define evaluation criteria.

• Prepare complex design packages integrating multiple enterprise systems.

• Update design documents to incorporate new information, operational insights, and lessons learned.

• Develop technical point papers and documentation on CDS-related topics.

• Gather and validate requirements from stakeholders and mission partners.

• Schedule and participate in Technical Exchange Meetings (TEMs) to discuss design and implementation strategies.

• Coordinate implementation timelines and technical approaches with engineering and project management personnel.

• Provide technical inputs to support government strategy, planning, and modernization efforts.

• Collaborate effectively on integrated technical teams.

• Provide guidance, mentorship, and technical solutions to Cross Domain engineers.

• Train team members on new technologies and engineering approaches.

You’ll Bring These Qualifications:

• Active TS/SCI clearance with ability to obtain a Polygraph

• Bachelor’s degree in a technical field, or equivalent experience

• 6+ years of experience as a Cyber Engineer across application, system, and network cybersecurity domains

• Active IAT Level II Approved 8140 (8570) Baseline Certification (Security+CE, etc.)

• Hands‑on experience working with Cross Domain Solutions

• Experience with system accreditation processes and operational support for CDS environments

• Experience developing systems, products, or processes using a total‑systems engineering approach

These Qualifications Would Be Nice to Have:

• CEH – Certified Ethical Hacker (EC‑Council)

• CASP+ – CompTIA Advanced Security Practitioner

• Additional cybersecurity or engineering certifications a plus