Network administrator jobs in Mount Pleasant, DC and nearby (800 jobs)

Senior System Administrator

AeroVironment, Inc.

Jessup, MD

The primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across…

Linux System Administrator

By Light Professional IT Services LLC

Falls Church, VA

Must have customer service experience as this position will require candidate to engage with senior military and government leadership · Must have a minimum of an active Secret clearance at time of intervi

Senior Windows System Administrator

TekSynap

Rockville, MD

Work schedule: Day shift Monday – Friday

Senior Systems Administrator (TTO Lead)

Peraton

Fort Meade, MD

Must possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)

Senior Infrastructure and Systems Administrator

Peraton

College Park, MD

Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and development efforts for a government customer in Maryland. This role…

Linux Systems Administrator (SDN / Cisco ACI)

Peraton

College Park, MD

Peraton Labs is seeking a poly-cleared Linux Systems Administrator who can own day-to-day administration and security posture of complex research infrastructure in classified and…

Linux Systems Administrator

Peraton

Silver Spring, MD

Peraton is seeking a Linux Systems Administrator with an active TS or TS/SCI clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain,…

Specialized Infrastructure Services Systems Administrator

Peraton

Laurel, MD

Must have at least two (2) years of demonstrated experience in Modern operating systems and network architectures · Must have at least two (2) years of demonstrated experience in certification and accreditation

Senior Systems Administrator

Peraton

Fort Meade, MD

Computer Network Operations - Must have at least three (3) years of demonstrated experience in Modern operating systems and network architectures · Information Assurance - Must have at least three (3) years of demonstrated experience in certification and accreditation

Junior Systems Administrator

Peraton

Fort Meade, MD

Computer Network Operations - Must have at least one (1) year of demonstrated experience in Modern operating systems and network architectures · Information Assurance - Must have at least one (1) year of demonstrated experience in certification and accreditation

Linux Systems Administrator (RHEL)

Peraton

Chantilly, VA

Peraton is hiring a Senior RHEL System Administrator to manage and administer Red Hat Enterprise Linux (RHEL) systems and infrastructure within a dedicated production network. This is a…

Systems Administrator / Helpdesk Support

Peraton

Chantilly, VA

Peraton is looking for a Systems Administrator / Help Desk Support Specialist to deliver hands-on technical support, system administration, and troubleshooting that keeps mission-critical…

Platform Network Administrator

Quantum Sky

McLean, VA

Quantum Sky is seeking a Platform Network Administrator. This role is ideal for someone with a foundation in IT systems, infrastructure, technical support, or networking who is eager to…

Cyber Systems Administrator, AI/ML Support TS/SCI w Poly

Peraton

Laurel, MD

…environments? Peraton is seeking a talented and skilled System Administrator to join our Cyber Intelligence team in Laurel, MD. As part of a collaborative, high-impact integrated product…

Linux Systems Administrator

Peraton

College Park, MD

Peraton Labs is seeking a poly cleared Linux Systems Administrator to support the infrastructure team for a cleared research and development program in Maryland. This role will support the…

Senior Infrastructure and Systems Administrator

Peraton

College Park, MD

Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and development efforts for a government customer in Maryland. This role…

Linux Systems Administrator - Cloud & Distributed Systems, Lead Associate

Peraton

Laurel, MD

Monitor system health, performance, and reliability; troubleshoot complex hardware, software, network, and cloud issues

System Administrator with poly

Belay Technologies

Columbia, MD

Belay Technologies is seeking a cleared System Administrator to administer, maintain, troubleshoot, automate, and optimize Linux-based systems and infrastructure. This position is ideal for…

System Network Administrator with Database Experience

Belay Technologies

Laurel, MD

Belay Technologies is seeking a Senior System/Network Administrator with database experience to support the implementation, maintenance, and optimization of IT systems. This role is…

Systems Administrator - T2

Acuity INC

Beltsville, MD

• $80,000 to $120,000 USD / year

…Enablement, and Hyperautomation. We are looking for a Systems Administrator to join our…

System Administrator 2

Markon

Fort Meade, MD

• $150,000 to $160,000 USD / year

Markon is seeking a Systems Administrator to support the Fort Meade customer by maintaining secure, reliable computing environments that support mission-critical operations. This role…

Appian System Administrator - Clearance Required

LMI

Fort Belvoir, VA

LMI is seeking an experienced Appian System Administrator to support Army CPE, ES2, AT&R in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the…

System Administrator

Apogee Integration LLC

Herndon, VA

Apogee's ideal Systems Administrator will be providing support for a comprehensive suite of applications. The necessary support & services include systems administration & Tier 2 help desk…

Network Systems Administrator III

Iridium Satellite, LLC

McLean, VA

If you are an experienced Network Systems Administrator with strong Linux/Windows and security-focused infrastructure skills, you will be excited about the Network Systems Administrator…

System Administrator (2026-0235)

Acclaim Technical Services

Chantilly, VA

We are actively hiring a System Administrator with TS/SCI w/ Poly to join our team working in, Chantilly, VA. The System Administrator will manage and maintain enterprise infrastructure…