Systems Administrator

General Dynamics Information Technology•Falls Church, VA

2d•$111,155 - $150,385•Onsite

About The Position

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.

Requirements

3 + years of related experience
US Citizenship Required: Yes
Technical Training, Certification(s) or Degree
Certification: IAT III (CompTIA CASP+ CE, ISC² CISSP (or Associate), GIAC GCED, GIAC GCIH, or Cisco CCNP Sec
Security clearance level: TS/SCI

Nice To Haves

Business Continuity
Critical Systems
Enterprise IT

Responsibilities

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.

Benefits

Comprehensive benefits and wellness packages
401K with company match
Competitive pay and paid time off
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan
401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
Full flex work weeks where possible
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.