- General Dynamics Information Technology (Falls Church, VA)
- …Critical Systems,Enterprise Systems,Software Updates,System Administration,Technical Issues **Certifications:** CompTIA Security + CE | CompTIA - CompTIA, Red Hat ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
- Nightwing (Sterling, VA)
- …defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The ... qualified Systems Administrator will support a very dynamic program in a...support and guidance for system-related issues, ensuring high performance, security , and availability of IT systems + Coordinate and… more
- KBR (Chantilly, VA)
- Title: Senior Contract Support Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...the country's most critical role - protecting our national security . Why Join Us? + Innovative Projects: KBR's work… more
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... related authentication technologies + Maintain system documentation, configuration management, and security baselines in tools such as GitLab and Confluence +… more
- Amazon (Arlington, VA)
- …DB and other SAP applications on AWS cloud infrastructure Perform basis administrator configuration activities for new enhancement requests from business and support ... progress, issues, and resolutions. A day in the life As an SAP Basis administrator , typical day involves a wide range of activities crucial for maintaining the SAP… more
- Amentum (Dahlgren, VA)
- …in March 2026 **Minimum Requirements and Skills based on Years of Experience:** ** Senior Requirements** + Ten (10) years of hands-on technical experience with the ... following: system backup/recovery; basic software management; security management; network management; operating computer systems; sizing, performance, tuning,… more
- Ensono (Richmond, VA)
- Senior Database Administrator - QREPRemote -...Refreshing test data for whole environments + Supporting DB2 security requests + Review DB2 security to ... establishing policies and procedures pertaining to database management, DR, security , maintenance and utilization preferred + Supporting multiple clients after… more
- SimIS Inc. (Dahlgren, VA)
- …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... candidate will establish and implement solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network… more
- TekSynap (Radford, VA)
- …+ Monitor, tune, and harden systems to ensure optimal performance and security posture. + Track system performance metrics, generate utilization reports, and ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies (XenApp, NetScaler… more
- GovCIO (Richmond, VA)
- …to this job (https://careers-govcio.icims.com/jobs/6348/ senior -linux-system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will… more