- ManTech (Chantilly, VA)
- **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests… more
- Indigo IT, LLC (Washington, DC)
- Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services ... of five (5) years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree in Computer Science or… 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 ... **Job Description** BAE Systems is seeking **System Administrators** to join our...providing a comprehensive set of System/ Software Engineering and IT Services to maintain, sustain, enhance, and improve/modernize. The… more
- Leidos (Arlington, VA)
- …Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured environments, ... 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
- Aston Carter (Dulles, VA)
- …and database performance. Essential Skills + 5 to 10 years of experience systems administrator + Proficiency in Microsoft Office. + Meraki Networking and ... Job Title: Senior System Administrator Job Description The...systems . Responsibilities + Configure and maintain the networked IT infrastructure, including hardware, system software, and applications. +… 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 ... responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
- BAE Systems (Washington, DC)
- …Coordinates with IT teams to integrate database solutions within broader systems + Keeps current with emerging database technologies and trends to drive ... Security, CISA, CISSP, or GSEC + Bachelors degree in IT , Cybersecurity, Computer Science, Information Systems , Data...be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site… 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 ... limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks +...of a degree + 5+ years of experience in IT , O&M, sustainment, and/or break-fix support + Demonstrated experience… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, 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
- CGI Technologies and Solutions, Inc. (Arlington, VA)
- **ServiceNow Portal Administrator , Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2136 ... Description:** CGI Federal has an exciting opportunity for a ServiceNow Portal Administrator within our Intel sector advancing the national security mission through… 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
- CACI International (Arlington, VA)
- Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations...**Qualifications:** _Required:_ * Bachelor's degree in Computer Science, Information Systems , or a related field. * 15+ years of… more
- CGI Technologies and Solutions, Inc. (Arlington, VA)
- **Database Administrator , Senior ** **Category:** Database Administration **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2099 ... is acceptable. CGI Federal has an exciting opportunity for a Database Administrator within our Intel sector advancing the national security mission through cutting… more
- CGI Technologies and Solutions, Inc. (Arlington, VA)
- **Portal Administrator , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2128 **Employment ... **Position Description:** CGI Federal has an exciting opportunity for a Portal Administrator within our Intel sector advancing the national security mission through… more
- Nightwing (Sterling, VA)
- …community, 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...system-related issues, ensuring high performance, security, and availability of IT systems + Coordinate and manage … 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 ... IT Infrastructure and Operations **Skills:** Information Technology ( IT ) Systems ,Linux,Microsoft Windows,Operating Systems (OS),Software...you advance your career. Join GDIT as a Systems Administrator Senior and build… more
- Insight Global (Herndon, VA)
- Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a ... and troubleshooting procedures that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available… more
- GovCIO (Washington, DC)
- **Overview** GovCIO is currently hiring for a ** Senior ** **ServiceNow Platform Administrator ** to support our USSS Network Operations and Security Center (NOSC) ... $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6168/ senior -servicenow-platform- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-DC-_ **ID** _2025-6168_ **Category**… more
- GovCIO (Washington, DC)
- …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
- General Dynamics Information Technology (Falls Church, VA)
- …Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more