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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on re

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo

Linux Systems AdministratorJob LocationsUS-MD-GaithersburgRequisition ID2026-162587Position CategoryCyber SecurityClearanceTop SecretResponsibilitiesThis is an on-site position in Gaithersburg, MD. Pe

Linux Systems Administrator (SDN / Cisco ACI)Job LocationsUS-MD-College ParkRequisition ID2026-162799Position CategoryInformation TechnologyClearanceTop Secret/SCI w/PolyResponsibilitiesPeraton Labsis

Linux (RHEL) Systems AdministratorJob LocationsUS-VA-ChantillyRequisition ID2026-163157Position CategoryInformation TechnologyClearanceTop Secret/SCIResponsibilitiesPeraton is seeking aSenior Infrastr

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on rev

DescriptionThe Test and Training Enabling Architecture (TENA) program at Leidos is looking to add aSenior Linux Systems Administrator. Our mission is to develop tools for the United States Department

Linux Systems AdministratorJob LocationsUS-VA-Herndon | US-DC-Washington | US-MD-RiverdaleRequisition ID2025-160216Position CategoryInformation TechnologyClearanceTop Secret/SCI w/PolyResponsibilities

GAMA-1 Technologies, LLC seeks a highly skilled System Administrator II with a strong Linux background to provide advanced technical expertise in the design, implementation, configuration, maintenance

Linux Systems AdministratorJob LocationsUS-VA-Herndon | US-DC-Washington | US-MD-RiverdaleRequisition ID2025-160216Position CategoryInformation TechnologyClearanceTop Secret/SCI w/PolyResponsibilities

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co

Responsibilities Peraton is seeking anInfrastructure Systems Administrator - Linux (RHEL)in our Chantilly, VA office in support of our Department of Defense (DoD) community customer as part of a highl

The Digital Modernization Sector has a career opportunity for aLinux Systems Administratorsupporting the Global Solutions Management - Operations II (GSM-O II) contract at DISA. This contract includes

Build to something to be proud of.Captivation has built a reputation on providing customers exactly what is needed in a timely manner. Our team of engineers take pride in what they develop and constan

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for co

Linux Systems AdministratorCategory:Infrastructure/CloudMain location:United States, Virginia, ArlingtonPosition ID:J0925-2110Employment Type:Full TimePosition Description:CGI Federal has an exciting

Banduri helps organizations execute digital transformations with agility so that continuous innovation becomes their core competency. Core to Banduri's values and culture is the belief that everyone d

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with

iQuasar LLC is seeking aSystems Administrator/Engineer (Linux) - Senior (WebSphere/ WebLogic)inLaurel Maryland . We strive to provide the next generation of cutting-edge technologies. Our growth means

Select how often (in days) to receive an alert:JOIN OUR TALENT NETWORKSystems AdministratorApply nowDate:Jan 15, 2026Location: Lexington, MA, USCompany: MIT Lincoln LaboratoryThe Cyber Physical System

Position Title:Linux Systems Administrator (OpenShift) Location:Aurora, CO Clearance Required:TS/SCI with CI Poly Sign-On Bonus Eligible:Yes Are you passionate about systems administrator and eager to

Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partne