Network administrator jobs in Downtown DC, DC and nearby (715 jobs)

Sr. Network Technician

ANTENNA RESEARCH ASSOCIATES INC.

Laurel, MD

• $120,000 to $150,000 USD / year

We are seeking an experienced, hands-on Senior Network Technician to support, maintain, secure, and enhance our enterprise network infrastructure. This position will play a critical role in…

Linux System Administrator (Top Secret/SCI with agreement to obtain CI Poly Clearance Required)

North Point Technology

Chantilly, VA

North Point Technology is looking to hire a Linux System Administrator to support a large-scale, mission-critical classified program. This role requires an active Top Secret clearance with…

Senior Systems Administrator

Eliassen Group

washington, DC

• $70 to $80 USD / hour

CompTIA Security+ certification required

Sr. Cloud Systems Administrator

Amentum

Springfield, VA

…If so, look no further. Amentum is seeking a Senior System Administrator to join our team of passionate individuals in Springfield, VA. In this role you will support challenging,…

Systems Administrator

Abile Group, Inc.

Fort Belvoir, VA

Abile Group has an exciting and challenging opportunity for a Systems Administrator on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community…

UNIX/Windows System Administrator

D2 Technical Services

Fort Belvoir, VA

Must have Security+ certification or DoW 8570 Level II equivalent within 90 days of hire · Must have a valid US passport​

JR SYSTEM ADMINISTRATOR

MCSG Technologies

Greenbelt, MD

• $90,000 to $100,000 USD / year

Candidates must have experience in desktop support and troubleshooting software, hardware, and networking issues

Senior System Administrator I

Rocket Lab Corporation

Chantilly, VA

Must possess DoD 8140 Intermediate or Advanced certification (e.g

Systems Administrator, Level I (AE26101659)

Advantage Engineering & IT Solutions Inc

Annapolis Junction, MD

• $76,400 to $82,300 USD / year

AEITS, Inc., a GTSC company, is growing its team! Seeking a Systems Administrator, Tier 1.

Network Administrator

KaylaTek

Washington, DC

• $120,000 to $121,000 USD / year

Security Clearance: Must possess an active DoD Secret clearance

Systems Administrator

BAE Systems

Springfield, VA

Must hold an active Top Secret/SCI clearance · Ability to work 24x7 rotating shift schedule

Senior Infrastructure/System Administrator

CACI International

Sterling, VA

Job Title: Senior Infrastructure/System Administrator

Infrastructure/System Administrator Lead

CACI International

Sterling, VA

Job Title: Infrastructure/System Administrator Lead

Infrastructure/System Administrator SME

CACI International

Sterling, VA

Job Title: Infrastructure/System Administrator SME

Systems Administrator

CACI International

Chantilly, VA

We are seeking a Systems Administrator / Engineer with 5+ years of experience to own the lifecycle, security, and performance of our critical IT infrastructure. This multifaceted role…

Linux System Administrator

MANTECH

Laurel, MD

Must possess an active TS/SCI clearance with Polygraph

Tier II System Administrator (SME level)

BAE Systems

Herndon, VA

Do you enjoy working in a small team environment with great people? We are looking for a Tier 2 System Administrator with a robust Windows 10/11 troubleshooting background supporting…

Microsoft 365 Systems Administrator

System One

Reston, VA

We are seeking a Microsoft Systems Administrator ( Microsoft 365 Security Administrator ) to support, maintain, and secure Microsoft 365 environments. This role will administer Microsoft…

Junior Microsoft System Administrator

Amentum

Fort Belvoir, VA

System Administrator II

Reflexive Concepts

Fort Meade, MD

Reflexive Concepts is seeking a skilled Linux Systems Administrator to join our team!

SharePoint System Administrator SME

LEIDOS, INC.

Alexandria, VA

…large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different…

Exchange System Administrator SME

LEIDOS, INC.

Alexandria, VA

Collaborate with peers and other service lanes to perform network latency analysis to address slow connections and user experience issues.

Systems Administrator - TS/SCI

Maania Consultancy Services

Landover, MD

- Maintain smooth operation of multi-user computer systems, including coordination with network administrators.

Systems Administrator I

Huntington Ingalls Industries

Springfield, VA

…anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions…

Endpoint Systems Administrator

Huntington Ingalls Industries

Springfield, VA

…anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions…