Systems Administrator

Advance your career while impacting our national security in cyber as Systems Administrator at GDIT.  Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.

The Advana team is seeking a Systems Administrator to join their program. 

Advana is the Chief Digital and Artificial Intelligence Office’s (CDAO) enterprise-wide, multi-domain data, analytics, and artificial intelligence (AI) platform that provides all DoD military and civilian decision makers, analysts, and builders with unprecedented access to enterprise data, tools, and capabilities.

Systems Administrator

• Conducts configuration‑management and environment‑administration activities supporting Advana System operations for Department of Defense missions, Joint Staff analysts, Combatant Command elements, and Senior Executive Service leadership.

• Inventories all active components across Advana environments and tags each item with an authoritative configuration‑item identifier recorded in the configuration‑management database. Maintains configuration baselines for all nodes and enclaves and captures signed, immutable snapshots at the end of each Program Increment.

•  Executes automated state‑comparison jobs to detect configuration drift, flags deviations for remediation, applies corrections, re‑runs validation checks, and updates configuration records to maintain accuracy and traceability.

• Retires and decommissions obsolete assets and preserves final configuration records for audit and lifecycle documentation. Provisions and hardens Development (IL2), Test (IL2), Integration (IL5/IL6/JWICS), Staging (IL5/IL6/JWICS), and Production (IL5/IL6/JWICS) environments using Infrastructure‑as‑Code and Configuration‑as‑Code tooling, applying required security baselines, STIG controls, and classification‑specific configurations.

•  Maintains CI/CD pipelines supporting secure code and configuration flow from development through production, incorporating static analysis, secret scanning, and vulnerability‑assessment stages.

• Implements identity and access controls aligned with least‑privilege principles for developers, testers, and operators.

• Configures continuous monitoring, logging, and SIEM integrations to support operational visibility and mission assurance. Execute routine maintenance, backup operations, disaster‑recovery tasks, and change‑control activities.

• Performs compliance validation, environment‑health checks, and incident‑response coordination to sustain operational readiness and program value across all Advana enclaves.

WHAT YOU’LL NEED TO SUCCEED
Education: Technical Training, Certification(s) or Degree

• Certification: IAT III (CompTIA CASP+ CE, ISC² CISSP (or Associate), GIAC GCED, GIAC GCIH, or Cisco CCNP Sec

• Experience: 3+ years of related experience

• Security clearance level: TS/SCI

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.