Systems Engineer Advisor- Herndon, VA - TS/SCI with Poly

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Systems Engineering

Job Qualifications:

Skills:

Systems Design, Systems Development, Systems Engineering

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

Deliver simple solutions to complex problems as a Systems Engineer Advisor at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development, you’ll make the end user’s experience your priority and we’ll make your career growth ours.

At GDIT, people are our differentiator. As a Systems Engineer Advisor you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Engineer joining our team to support our client’s mission.

GDIT is seeking an experienced Systems Engineer Advisor and recognized Subject Matter Expert (SME) to lead the design and development of the next-generation Cross-Domain Solution (CDS) for a high-priority government program. This project focuses on integrating technological capabilities within a secure multi-domain architecture, enabling seamless and policy-compliant data transfer across classification boundaries. The ideal candidate will provide strategic technical guidance, develop innovative architectures, and ensure the solution meets rigorous security, performance, and operational requirements.

Key Responsibilities:

• Serve as the principal SME and technical advisor for the design and architecture of next-generation CDS integrating advanced DSP technologies.
• Lead the development of system architectures that securely and efficiently enable cross-domain data flows involving digital signals and sensor data.
• Define technical requirements, system interfaces, and security controls in compliance with IC policies (e.g., ICD 503, CNSSI 1253) and NSA-approved CDS frameworks.
• Collaborate with multi-disciplinary teams including cryptographers, signal processing engineers, network engineers, and cybersecurity personnel to drive integrated system designs.
• Evaluate emerging technologies and methodologies in DSP, secure data transfer, and cross-domain architectures to inform innovative solution approaches.
• Provide expert guidance on risk management, threat modeling, and mitigation strategies related to cross-domain DSP data exchange.
• Lead design reviews, technical assessments, and provide authoritative recommendations on system enhancements and scalability.
• Develop and review documentation such as Concept of Operations (CONOPS), System Security Plans (SSP), interface control documents (ICDs), and architectural diagrams.
• Mentor and advise junior engineers and technical staff on best practices in CDS design and DSP integration within classified environments.
• Support program leadership in technical decision-making and contribute to strategic planning for future cross-domain capabilities.

Required Qualifications:

• Active TS/SCI with CI (must be adjudicated and in scope).
• Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Science, or related technical discipline  (or equivalent experience).
• 10+ years of experience in systems engineering, with extensive expertise in designing secure systems for the Intelligence Community or DoD.
• Recognized SME in Cross-Domain Solutions (CDS) design and implementation, preferably with hands-on experience integrating NSA-approved CDS technologies.
• Proven ability to architect secure, multi-domain systems that comply with IC security policies and risk management frameworks.
• Experience working with IC directives and cybersecurity frameworks, including ICD 503, CNSSI 1253, and RMF.
• Demonstrated leadership and advisory skills, including mentoring engineers and guiding cross-functional teams through complex technical challenges.
• Excellent communication skills, capable of translating complex technical concepts into clear, actionable guidance for diverse stakeholders.

Preferred Qualifications:

• Advanced degrees or certifications in signal processing, systems engineering, cybersecurity, or related fields.
• Prior experience with classified sensor systems, secure communications, and real-time data processing in IC or DoD environments