- NANA Regional Corporation (South Burlington, VT)
- We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration , security, and optimization of the USCIS ... Lead the administration of enterprise network and system environments supporting USCIS mission systems and..., with increasing levels of responsibility. + Expertise in Windows Server administration , Linux systems … more
- Lockheed Martin (Fort Worth, TX)
- …Qualifications:** * Proficient with Windows and Linux/Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting ... related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network… more
- Leidos (Vienna, VA)
- **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator** to join a dynamic team based in **Tysons Corner, VA** . This ... exciting opportunity allows you to apply your expertise in system administration and software programming while supporting a small team responsible for managing… more
- SimIS Inc. (Dahlgren, VA)
- … system administration , and information assurance support for combat system interface simulation, test, analysis, and training systems associated with ... + Experience in implementing and maintaining complex computer system network administration activities. + Experience in Microsoft Windows computer operating … more
- GovCIO (Fairfax, VA)
- **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide administration and tier 3 operational ... USD $165,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6349/ senior - systems -engineer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID** _2025-6349_ **Category** _IT… more
- Roanoke College (Salem, VA)
- …with integrity and foresight, while leading the modernization of Roanoke's financial and administrative systems to meet the demands of a rapidly changing higher ... and IT operations and a demonstrated ability to modernize administrative systems . * A demonstrated ability to...2026. The project focuses on upgrades to the HVAC system , windows , bathrooms, the kitchen, outdoor spaces,… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- …Senior Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, ... enhancements to improve performance and reliability. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. + Assign… more
- ManTech (Chantilly, VA)
- …including documentation required for A&A IAW ICD 503. + Experience with Windows administration , Active Directory, administrative scripting languages, and ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Engineer** to join...and experience with virtual infrastructure technologies, all components of Windows and Linux system infrastructure, Local Area… more
- Dominion Energy (Cayce, SC)
- …: Minimum of 5 years of experience in control systems , cyber security, system administration , Windows operating systems security and networks. ... Senior Engineer/Staff Engineer- Cyber Security and Control Systems **Date:** Oct 1, 2025 **Location:** CAYCE, SC, US,...of experience in control systems , cyber security, system administration , Windows operating … more
- KBR (Sioux Falls, SD)
- …and protects Earth. KBR has an immediate need for an energetic and dynamic Mid- Senior Systems Administrator in support of the United States Geological Survey ... EROS Information Technology Services Division (ITSD) is seeking a Mid- Senior Systems Administrator to join a diverse...required. Essential Job Functions: + Lead and support the administration of Linux (RHEL, OEL, Rocky) and Windows… more