Systems Administrator Linux Windows Jobs

Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenan...

Linux/Windows Systems AdministratorExperience: 4 Years Education Bachelors in IT. Location: Springfield, VA Clearance: SecretPosition Overview: The Linux/Windows Systems Administrator is responsible f...

A Global Defense Contractor is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical lead...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role ...

Job Number 719383BR Description:WHO WE ARELockheed Martin is a global leader in aerospace,defense, and technology solutions, dedicated topushing the boundaries of innovation andshaping the future of ...

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. ---------- Telework: None Basic Requirements: Security+ Cert 10 years of ex...

Job Description We put our customers first - exemplified by our missions: "We Protect Those Who Protect Us®" and "We Innovate for Those Who Move the World." Sound like a team you want to be a par...

Job Description We put our customers first - exemplified by our missions: "We Protect Those Who Protect Us®" and "We Innovate for Those Who Move the World." Sound like a team you want to be a part...

Date Posted:2026-04-21Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with Linux and Windows administration experience to support a Special Access Program , op...

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of ou...

The Opportunity NineFX is seeking a System Administrator Level 3 to support, secure, and optimize enterprise IT systems across AWS, Linux, and Windows environments. This role includes cloud administr...

Position Description: The Windows System Administrator is responsible for providing technical support and troubleshooting for a range of Windows based systems, ensuring compliance with DoD 8570.01-M ...

Zachary Piper Solutions is seeking a Linux & Windows Systems Administrator to support the Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves for NIWC PAC in San Diego, Cal...

Job Description SALARY RANGE $124,000 - $181,000/yearDUTIES As a successful candidate for the Linux System Administrator II role, you will provide support for the implementation, troubleshooting, and ...

Top Skills' Details 1. 5+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment 2. VMware and ESXi (6.x or higher) configuration and managemen...