Network administrator jobs in Oakton, VA and nearby (555 jobs)

Network Administrator II

Invictus International Consulting, LLC

Alexandria, VA

• Up to $160,000 USD / year

Must possess current DoD 8570 IAT II and CCNA (or equivalent) certifications

Network Administrator

M9 Solutions

Bethesda, MD

M9 Solutions is seeking a Network Administrator to work on-site in support of a government contract for a client located in Bethesda, MD. An active Public Trust clearance is required.

System Administrator

Avalore, LLC

Arlington, VA

The System Administrator is responsible for the daily operation, maintenance, and security of the War Data Platform (WDP) infrastructure. This person will perform hands-on system…

Linux Systems Administrator

SAIC

Chantilly, VA

…efficiently, and reliably. SAIC is seeking a skilled Linux Systems Administrator who thrives in complex enterprise environments and enjoys solving challenging technical problems across…

Marine Corps Intelligence Schools – Systems Administrator - Quantico, VA

Predicate Logic Inc.

Quantico, VA

• $110,000 to $130,000 USD / year

Must have one of these certifications at time of hire and it must remain active

System Administrator (2026-0251)

Acclaim Technical Services

McLean, VA

• $140,000 to $160,000 USD / year

Acclaim Technical Services, founded in 2000, is a leading cyber operations, intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise…

Network Administrator - TS/SCI w CI Poly

Modern Government Solutions

McLean, VA

• $120,000 to $180,000 USD / year

Must possess an active DoD TS/SCI with CI Polygraph security clearance

System Administrator

Entarian

Suitland, MD · College Park, MD

Entarian is seeking a System Administrator to join a technical team dedicated to the operations and maintenance of the ground systems for NOAA Office of Satellite and Product Operations…

IT Systems Administrator (Multiple Levels)

Noblis

Chantilly, VA

Diagnose and resolve complex infrastructure, server, and network failures; handle specialized system outages and configuration changes (mostly in a cloud environment.

Embedded Security Systems Administrator - (Washington D.C)

JobStack, Inc.

Silver Spring, MD

• $130,000 to $170,000 USD / year

Must possess an active Top Secret clearance or be eligible to obtain one

Mission Assurance System Administrator - NISSC 3 - DC

Amentum

Washington, DC

• $150,000 to $160,000 USD / year

Position Title: Mission Assurance System Administrator

DevOps Platform Engineer and Linux Systems Administrator

Absolute Business Solutions Corp

Bethesda, MD

ABSC has an exciting opening for a TS/SCI-cleared DevOps Platform Engineer and Linux Systems Administrator supporting DIA-NDOC’s D3P modernization under the DTP contract. You will operate…

Systems Administrator

Zeiders Enterprises, Inc.

Woodbridge, VA

• $60,000 to $70,000 USD / year

As a member of the Information System Division (ISD) team, the Systems Administrator will provide Tier 2 support for enterprise infrastructure, including servers, cloud platforms, endpoint…

System Administrator - Secret Clearance Required

General Dynamics Information Technology

Falls Church, VA

System Administrator (IT Operations) Work Hours 6am - 2:30pm Monday - Friday

Senior Systems Administrator (L3) – Azure Government & Windows Infrastructure

Virtual Service Operations

Reston, VA

• $115,000 to $135,000 USD / year

Are you looking to take the next steps in your career as a Senior Systems Administrator? Let’s chat and see if we are a good match!

System Administrator Senior

Dynamo Technologies LLC

Fort Belvoir, VA

The Senior Systems Administrator provides advanced technical support for the Defense Logistics Agency (DLA) Enterprise Windows Administrative Support Services (EWASS) program. This position…

Netwrok and Systems Administrator

GPW Health Center Inc

Manassas, VA · Woodbridge, VA · Dumfries, VA

Perform in-house network monitoring, respond first to infrastructure alerts, and escalate issues that put clinical availability at risk.

Linux System Administrator

LEIDOS, INC.

Alexandria, VA

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Linux System Administrator. Our mission is to develop tools for the United States Department of…

Senior System Administrator Team Lead

LEIDOS, INC.

Alexandria, VA

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Senior System Administrator Team Lead. Our mission is to develop tools for the United States…

Solaris, Linux System Administrator

DMI

Fort Belvoir, VA

Must have a BA/BS Diploma and 10 years of work experience · Clearance Requirements: Must possess a Secret security clearance

SME Network Administrator

Govcio LLC

Alexandria, VA

Clearance Required: Must have an active Secret clearance

Senior Systems Administrator

Koniag Government Services

Fort Belvoir, VA

Koniag IT Systems, LLC, a Koniag Government Services (KGS) company is seeking a Senior Systems Administrator to support a Federal defense customer. This role supports secure and reliable…

Intermediate Systems Administrator

Koniag Government Services

Fort Belvoir, VA

Koniag IT Systems, a Koniag Government Services (KGS) is seeking an Intermediate Systems Administrator to support a Federal defense customer. This role supports secure and reliable…

Systems Administrator - 3rd Shift (TS/SCI)

Koniag Government Services

Arlington, VA

Koniag Data Solutions, a Koniag Government Services company, is seeking a Systems Administrator with an active Top-Secret/SCI clearance to support KDS and our government customer in…

Junior Systems Administrator

Clarity Innovations

Herndon, VA