- General Dynamics Information Technology (Falls Church, VA)
- …Citizenship Required:** Yes **Job Description:** **Position Summary:** We are seeking an experienced Senior Windows System Administrator to support the ... Systems Administration **Skills:** Active Directory (AD),Information Technology (IT) Systems ,Microsoft Windows ,Technical Support,Troubleshooting **Certifications:** CEH - EC-Council,… more
- Leidos (Alexandria, VA)
- …*You must have an active TS/SCI Polygraph up front. No exceptions.* We are hiring a ** Senior Windows Administrator / Test Lab Manager** to join a high ... activities in support of a complex network environment with geographically distributed systems . The position entails supporting system engineering requests to… more
- SAIC (Chantilly, VA)
- **Description** SAIC is looking for an ambitious Senior Level System Administrator /VMWare SME like you! Candidates will join a fast-paced and growing team of ... System Administrators in supporting a 24/7 high visibility Watch...virtual infrastructures + Experience with the following aspects of Windows Domain Administration: -Active Directory -Group Policy -DNS -DHCP… more
- Amentum (Fort Belvoir, VA)
- …least a 99% system availability rate. + Perform administration and maintenance of Windows based servers to include daily system checks and record 100% of ... days of notification of update availability. + Provide detailed system matrices of DCD supported systems and...of deployment request while adhering to organizational software deployment windows and Government direction. + Conduct system … more
- NANA Regional Corporation (Ashburn, VA)
- …IT Management Services team, the Microsoft Configuration Manager (MECM) & Intune Systems Administrator will be responsible for administration of a distributed ... effective use and management of the enterprise ticket management system with expedient resolution to trouble tickets, service requests,...or MECM related are a plus. + Experience administrating Windows 10 and 11 operating systems +… more
- Cambridge International Systems Inc (Mclean, VA)
- …and complex obstacles! Cambridge International Systems , Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. ... user profiles and accounts. + Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance,… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …10 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VMware) - TS/SCI required** Transform ... technology into opportunity as a ** Systems Administrator Senior ** with GDIT....Provide support for implementation, troubleshooting and maintenance of IT systems + Manage IT system infrastructure and… more
- ManTech (Chantilly, VA)
- …join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows -based Information System and will assist ... **ManTech** seeks a motivated, career and customer-oriented ** Senior System Administrator ;** to...activities in support of ICD 503 requirements. + Perform Windows system administrative support to include adding… more
- BAE Systems (Herndon, VA)
- …Other incentives may be available based on position level and/or job specifics. ** Systems Administrator ( Senior )** **113290BR** EEO Career Site Equal ... improve our future and protect our freedom. We are looking for experienced Systems Administrator to join our technology-based program supporting a key government… more
- V2X (Springfield, VA)
- …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports...(CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV… more
- NVR (Reston, VA)
- Senior Systems Administrator Job Category Information Technology Market Location VA - Northern Virginia Location VA - Reston Apply Now ... (https://phg.tbe.taleo.net/phg01/ats/careers/v2/applyRequisition?org=NVRINC&cws=52&rid=34916) NVR, Inc. is seeking a Senior Systems Administrator to work… more
- CACI International (Springfield, VA)
- Senior System Administrator (Desktop...support or similar IT role + Strong knowledge of Windows operating systems and Microsoft Office suite ... the systems that matter most. As a System Administrator Sr (Desktop Support) you will...Support our intelligence customer in Springfield, VA. As a Senior System Administrator , you will… more
- Leidos (Arlington, VA)
- **Description** Leidos is seeking a highly motivated and experienced ** Senior Systems Administrator ** to join our team supporting the Air Force National ... (AFNCR ITS NMCC) at **the Pentagon** . As the Senior Systems Administrator , you will...+ **Upgrade Management:** Plan, execute, and manage upgrades for Windows Server environments. + Identify assigned systems … more
- Leidos (Chantilly, VA)
- …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program ... recommend system functional specifications, configuration of physical and virtual systems , backup and recovery of IT infrastructure. + Support duties may include… more
- Chenega Corporation (Fort Belvoir, VA)
- …Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior System Administratorwill provide primary and ... Senior Systems Administrator ...+ Provide systems administration support for the Windows operating system and applications and backup support… more
- Integration Innovation, Inc. (i3) (Washington, DC)
- Overview i3 is seeking a Senior Systems Administrator to...machines that are a mix of Unix based and Windows based systems . + Plan and document ... and software components to maintain the compliance of the system (ie Server 2019 to 2022, or vCenter 7.X...2022, or vCenter 7.X to 8.X) + Maintain both Windows and Unix systems in both virtual… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …Dynamics Information Technology (GDIT) is seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Active Directory (AD),Incident Resolution, System … more
- Leidos (Lorton, VA)
- **Description** The Multi Domain Solutions Division at Leidos is looking for a ** Senior Systems Administrator ** to support a fast-paced program with the Air ... success while adhering to DoD standards and regulations. The ** Senior Systems Administrator ** will ensure...+ Experience in managing accounts across various platforms (eg, Windows , Linux, macOS). + Advanced knowledge of security tools… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency ... + Develop, test, implement, and execute upgrade strategies for Windows based operating system software, databases, and...+ Experience with DISA STIGs and their relation to Windows , Linux, and VMWare Operating Systems security.… more
- Dentons US LLP (Washington, DC)
- Senior Enterprise Messaging Administrator Chicago, IL, USAtlanta, GA, USSt. Louis, MO, USKansas City, MO, USPhoenix, AZ, USWashington DC, DC, USDallas, TX, US ... Jun 4, 2025 Dentons US LLP is currently recruiting for a Senior Enterprise Messaging Administrator . This position will ensure seamless operation, security, and… more