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 provides secure, resilient, and mission-focused IT capabilities across NIPRNet, SIPRNet, JWICS, and SAP/SAR environments.

As a Strategic Mission Systems Administrator, you will design and guide the implementation of secure architectures that protect mission systems while enabling operational effectiveness across the enterprise.

You will play a crucial role in providing support in the following areas:

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

What you'll need to succeed:

• Education: BA/BS
• Experience: 8+ years of systems engineering, cybersecurity architecture, systems integration, or related experience
• 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
• Ability to provide on-call and after-hours support, as required

Preferred Qualifications:

• Experience in systems architecture, architecture and engineering (A&E), large-scale solution design, and end-to-end system lifecycle support, including development of architecture diagrams, deployment and configuration documentation, engineering specifications, and technical implementation plans.
• Proficiency with SQL, Java, Python, Linux, system software, infrastructure troubleshooting, and operational support in complex enterprise environments.
• Hands-on experience with Linux enterprise technologies, including Red Hat Enterprise Linux (RHEL) 8.x and later, Red Hat OpenShift, and Ansible Automation Platform (AAP).
• Experience designing, deploying, administering, and troubleshooting Kubernetes-based environments, including Rancher/RKE, Helm charts, and related orchestration tools.
• Familiarity with container technologies, including Docker, Podman, container image management, and containerized application deployment.
• Experience developing and maintaining automation solutions using Ansible, Python, Jenkins, scripting, and related continuous integration/continuous delivery (CI/CD) tools.
• Knowledge of database interactions, reporting workflows, application integrations, data flows, middleware frameworks, and system documentation.
• Strong analytical, testing, troubleshooting, and diagnostic skills supporting complex systems, infrastructure, and operational environments.
• Familiarity with HTML, scripting languages, web technologies, and enterprise application integration patterns.
• Cross-functional experience or working knowledge in Windows environments, networking, cybersecurity, and infrastructure operations.
• Experience with geospatial and mapping software, including Environmental Systems Research Institute (ESRI) tools and platforms.
• Familiarity with enterprise logging, monitoring, and analytics platforms, including Splunk, Logstash, Kibana, and Elastic Stack (ELK).

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