- 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 ... solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network ...+ Per DoD Directive 8570.1M, this position requires IAT Level II or higher. This position is designated as… 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, installation,… more
- Amentum (Springfield, VA)
- …Troubleshooting and providing AWS technical support to the NGA enterprise. * Senior level experience managing and administering Linux/Windows based systems ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...combination of these * Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to… more
- SAIC (Fort Belvoir, VA)
- **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... 2026. Work is to be performed at Ft. Belvoir, VA.** Performs high- level , day-to-day operational maintenance, support, and upgrades for complex operating systems,… more
- General Dynamics Information Technology (Falls Church, VA)
- **Req ID:** RQ209314 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
- Amazon (Arlington, VA)
- Description Amazon Leo is Amazon's low Earth orbit satellite broadband network . Its mission is to deliver fast, reliable internet to customers and communities around ... DB and other SAP applications on AWS cloud infrastructure Perform basis administrator configuration activities for new enhancement requests from business and support… 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 ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and… more
- GovCIO (Richmond, VA)
- …/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT Infrastructure & Network Engineering & ... GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an...administration duties will be included in this role. + Senior - level RedHat Linux server administration experience, experience… more
- TekSynap (Radford, VA)
- …of complex applications and web services (eg, IIS, Apache). + Administer enterprise- level Active Directory structures and Group Policy Objects (GPOs). + Automate ... **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation...IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/IP, DNS, DHCP,… more
- V2X (Springfield, VA)
- …but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid- level internal escalation tier(s) for the Server ... Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer...(CSWF) position as defined for the Cybersecurity discipline: Systems Administrator (451) - Intermediate Level . Education: +… more