- 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
- 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
- General Dynamics Information Technology (Chantilly, VA)
- …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished ... Lead Windows Systems Administrator to oversee the design, operations,...Windows infrastructure that supports analysts and scientists. This senior leadership role will shape the stability, security, and… 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 (Arlington, VA)
- …(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
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... understanding of client and server operations and maintenance with Windows 10 and 11 environments and Windows ...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… 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
- BAE Systems (Sterling, VA)
- …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **117843BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database… 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 Dec ... 12, 2025 ** 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
- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common desktop… more
- General Dynamics Information Technology (Sterling, VA)
- …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while ... you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven… more
- General Dynamics Information Technology (Quantico, VA)
- …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for ... sabotage, espionage and subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do at GDIT will be… 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
- 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
- General Dynamics Information Technology (Chantilly, VA)
- …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in Computer… more