- Leidos (Arlington, VA)
- …Security+ or Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows ... The Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the...in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... activities within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The… more
- V2X (Springfield, VA)
- …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall...hands-on experience providing O&M support of enterprise server operating systems (OSs) ( Windows Server, Red Hat Enterprise… more
- Link Solutions Inc (Adelphi, MD)
- …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, ... an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the… more
- M. C. Dean (Falls Church, VA)
- …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... monitoring and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + Support… more
- M. C. Dean (Falls Church, VA)
- …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
- General Dynamics Information Technology (Washington, DC)
- …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for customer use and ensuring… more
- BAE Systems (Washington, DC)
- …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux, and Windows .… more
- Chenega Corporation (Arlington, VA)
- **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly ... national security and economic interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to our success.… more
- Leidos (Camp Springs, MD)
- …(SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured ... Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National...our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in… more
- Chenega Corporation (Fort Belvoir, VA)
- Senior Systems Administrator Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System ... administration and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and… more
- UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
- **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
- St. George Tanaq Corporation (Suitland, MD)
- Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USKansas City, MO, USDallas, TX, USSt. Louis, MO, USAtlanta, GA, USDenver, CO, USWashington DC, DC, US Jan ... 10, 2026 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...the latest applications, technologies, and their integration into existing systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead… more
- Leidos (Camp Springs, MD)
- **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key...services. **Primary Responsibilities:** + Design, implement, and maintain database systems within Windows , Unix, and Linux hosting… more
- Chenega Corporation (Fort Belvoir, VA)
- Senior SQL Server Database Administrator Ft. Belvoir, VA Join our Talent Network Senior SQL Server Database Administrator Ft. Belvoir, VA C-CHR-24-037 ... administer the Microsoft SQL Server production and databases and perform Windows system administration in support of the SQL Database environment. TheSenior… more
- SAIC (Washington, DC)
- …position will provide support, implementation, and design services for Windows -based systems across the enterprise. The Senior Integrator will be responsible ... **Description** The Senior Integrator will provide systems integration...Perform Root Cause Analysis and Problem Management for the Windows systems and tools. + Improve existing… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
- SAIC (Fort Belvoir, VA)
- **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... Viewed as an expert in the field. Participates with senior management to establish strategic plans and objectives. **PROBLEM...deployment of new technologies and upgrades + Experience with Windows Server 2016 and later operating systems ,… more
- Amentum (Springfield, VA)
- …NGA enterprise. * Senior level experience managing and administering Linux/ Windows based systems including patching, updates, and configuration management. * ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...Provide support for implementation, troubleshooting, and maintenance of cloud systems * Isolate and resolve problems involving the applications,… more