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System AdministratorAmerican Systems is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluati

System AdministratorAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluati

Principal Windows Systems AdministratorAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for gene

Senior Systems AdministratorTransform technology into opportunity as a Senior Systems Administrator at GDIT. Shape what's next for mission-critical government projects while shaping what's next for yo

Job ID:710626BR Date posted:Nov. 12, 2025Description: What We're Doing:Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused

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

Systems Administrator (SA2)Location: San Diego, California (On/Off-Site) Clearance Required: Secret Clearance (T3 DoD issued) Certifications Required: DoD 8570/8140 IAT Level II Contingency: This posi

Position: Systems Administrator (SA2) Location: San Diego, California Clearance Required: Secret Clearance (T3 DoD issued) Certifications Required: DoD 8570/8140 IAT Level II Contingency: This positio

Systems & Database AdministratorJoin Our Team as a Full Stack Engineer / Systems & Database Administrator! Are you a seasoned Full Stack Engineer with a passion for systems and database administration

Classified Systems AdministratorKBR Delivering Solutions, Changing the World. KBR is a global leader in delivering technology-driven, mission-critical, and sustainable solutions that truly matter. For

Systems AdministratorAbacus Technology is seeking a Systems Administrator to provide technical support for the US Air Force Office of Special Investigations (AFOSI) in Quantico. This is a full-time po

Junior Systems AdministratorPrimary Location: Springfield, VA, US Must be a U.S Citizen Security Clearance: Active Top Secret/SCI Job Summary: The Systems Administrator will work closely with both on-

Senior Systems AdministratorCACI is seeking a Senior Systems Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems, manage IT syst

Systems Administrator-SCSTCRiVidium Inc. is seeking an experienced Systems Administrator to support our federal customer by providing comprehensive computer and local area network (LAN) system adminis

Systems Administrator IILocation: US-CO-Colorado Springs Job ID: 2025-10638 Position Type: Regular Full-Time Application Open Date: 11/20/2025 Application Deadline: 12/20/2025 Salary StatementEstimate

Sr Principal Systems AdministratorAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generatio

Senior Network And Computer Systems AdministratorAmerican Systems is seeking a Senior Network and Computer Systems Administrator to strengthen resilience-NISSC III at Raven Rock! Become the backbone o

System AdministratorThis position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled

Systems Administrator IIWorking across the globe, V2X builds smart solutions designed to integrate physical and digital infrastructure from base to battlefield. We bring 120 years of successful missio

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho

Senior Network and Computer Systems AdministratorAMERICAN SYSTEMS is seeking a Senior Network and Computer Systems Administrator to join the NISSC3 Mission at The Pentagon. Step into the iconic halls

Principal Systems Administrator-Helpdesk Sys Admin (25-571)At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world

Systems AdministratorPosition Requires a Top Secret (TS/SCI) Clearance with a Polygraph. Position closes 1/7/26 - We are seeking a highly experienced and technically proficient Systems Administrator S

James Scott, LLC is seeking an experienced Systems Administrator to support one of its top-tier intelligence customers. This role is critical in delivering mission-essential technology solutions to th