GDIT

IT Infrastructure and Operations

SystemsAdministrator

$111–150k Falls Church, Virginia, United States FULL TIME
The Brief

“Systems Administrator at GDIT. Skills: Systems Administrator, Advana System operations, configuration-management, environment-administration, Infrastructure-as-Code, Configuration-as-Code, CI/CD pipelines, identity and access controls, continuous monitoring, logging, SIEM integrations, disaster-recovery tasks, compliance validation, incident-response coordination. Conducts configuration‑management and environment‑administration activities supporting Advana System operations. Inventories all acti”

What You'll Achieve.

maintain accuracy and traceability; sustain operational readiness; program value

Industry & Context.

IT Infrastructure and Operations
Problems you'll solve

remediation; incident-response coordination

Eligibility Requirements

Top Secret/SCI Clearance, US Citizenship Required

What They're Looking For.

Must Have

3 + years of related experience, Technical Training, Certification(s) or Degree, Security clearance level: TS/SCI, US Citizenship Required: Yes

Nice to Have

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

What You'll Do.

Conducts configuration‑management and environment‑administration activities supporting Advana System operations

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

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)

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

and classification‑specific configurations

Maintains CI/CD pipelines supporting secure code and configuration flow from development through production

incorporating static analysis

and vulnerability‑assessment stages

Implements identity and access controls aligned with least‑privilege principles for developers

Configures continuous monitoring

and SIEM integrations to support operational visibility and mission assurance

Execute routine maintenance

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

How You'll Work.

Team & Collaboration

developers; testers; operators

Process & Methodology

Program Increment

Free ATS check

Applying for this Systems Administrator role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Workday

  • Workday has a multi-step form — save your progress after every section.
  • "Apply With LinkedIn" can fail or lose data; manual entry is more reliable.
  • Watch for the "Submit for Review" final step — hitting "Save" alone does not submit.
  • Job requisition numbers are useful when following up with HR by email.

ANONYMOUS · UNFILTERED

What do employees actually say about GDIT?

Real rants from real employees. Read before you apply.

Read Company Rants →