Strategic Mission Systems Administrator

The work you'll do at GDIT will be impactful to the mission of USSTRATCOM. USSTRATCOM is responsible for strategic deterrence, nuclear operations, and enterprise IT services essential to national security. SCITLS supports mission-critical systems across NIPRNet, SIPRNet, JWICS, and SAP/SAR environments.

As a Strategic Mission Systems Administrator, you will play a key role in integrating security throughout the software development lifecycle, ensuring applications, infrastructure, and deployment pipelines remain secure, resilient, and compliant with mission requirements.

Responsibilities:

• Design and define system architectures for new or existing computer systems, ensuring scalability, security, and alignment with mission requirements.
• Support A&E engineering efforts by developing, integrating, and validating architectural solutions across systems, networks, applications, and data environments.
• Analyze operational and business requirements to design efficient, functional system architectures and integration points.
• Support system deployments, upgrades, and configuration activities across multi OS environments (Linux, Windows).
• Develop detailed documentation, architecture diagrams, system specifications, and operational standards.
• Troubleshoot complex system issues across infrastructure, middleware, database, and application layers to restore full functionality.
• Support system testing, validation, and acceptance activities to ensure solution readiness and compliance.
• Collaborate with software developers, network engineers, cybersecurity teams, and project managers to ensure seamless system integration.
• Conduct engineering assessments to improve performance, reliability, and operational efficiency across enterprise systems.
• Maintain system software, platform components, and data interactions to ensure consistent and stable operation.

Requirements:

• Education: BA/BS
• Experience: 10+ years of experience in cybersecurity engineering, DevSecOps, DevOps engineering, systems engineering, or related technical disciplines
• Required Certifications: ITIL Foundations v4/v5 Certificate (or ability to obtain within 9 months) and DoW 8140 Certification (or ability to obtain within 6 months)
• Clearance: Must have a current/active Top Secret clearance with ability to obtain TS/SCI and a CI Poly
• Ability to provide on-call and after-hours support, as required

Benefits:

• Full-flex work week to own your priorities at work and at home
• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays