- 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. ... Qualified candidates for this job must possess a current DoD TS /SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of… more
- V2X (Springfield, VA)
- …responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports… more
- Leidos (Fort Belvoir, VA)
- **Description** Leidos is seeking a highly skilled ** Senior Systems Administrator ** to support mission-critical operations across various laboratory ... systems to address complex mission-specific challenges. The ** Senior Systems Administrator ** will work...considered in lieu of a degree. + An active TS /SCI with Poly security clearance. + At least 5… more
- CACI International (Annapolis Junction, MD)
- Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... any processes related to these systems . The Senior Systems Administrator will Configure... enhancements to improve reliability and performance **Requirements:** + TS /SCI with polygraph clearance + 10 years experience as… 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 ... and play a key role in supporting government-critical systems . You will be part of a program that...optimization. **What does Leidos need from me?** + Active Top Secret /SCI ( TS /SCI) with Polygraph… more
- The Boeing Company (Herndon, VA)
- …Data Analytics (IT&DA) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... Scope Polygraph + 5+ years of experience as a systems administrator + 5+ years of experience...eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required).… 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...**Basic Qualifications:** + US Citizen with at least a Top Secret clearance and the ability to… 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...is 100% on-site at the Pentagon and an active TS /SCI is required to start.** **Primary Responsibilities:** + **System… more
- Leidos (Laurel, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
- The Boeing Company (Herndon, VA)
- …Data Analytics (IT&DA) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... on candidate eligibility. **Security Clearance** This position requires an active US Top Secret /SCI Security Clearance (US Citizenship Required). (A US Security… more
- ARSIEM (Laurel, MD)
- …to have an impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for ... Support the Cyber Range and Lab environments by providing systems administration and automation in support of operator training,...Date: 2025-06-05 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US… more
- Integration Innovation, Inc. (i3) (Washington, DC)
- Overview i3 is seeking a Senior Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is ... are a mix of Unix based and Windows based systems . + Plan and document planned migrations of various...US Citizenship required Clearance Requirements: + Security Clearance Level: TS with SCI Preferred Skills: + Knowledge of cryptographic… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… 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 ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
- BAE Systems (Annapolis Junction, MD)
- …of the world's most advanced supercomputers. **About the Role** We're seeking a highly skilled Senior HPC Systems Administrator to join our dynamic team. In ... Other incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing Systems Administrator ** **112588BR** EEO… more
- SAP (Herndon, VA)
- …contributions, and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** ** ... ** **Active TS SCI with Polygraph Required** ** ** **NS2 COMPANY...Security, Information Security, Engineering, Information Technology. MA/MS Preferred. + Top Secret Clearance with Polygraph **We win… more
- SAP (Herndon, VA)
- …for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** **NS2 ... for this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VMware) - TS /SCI required** Transform technology ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...into opportunity as a ** Systems Administrator Senior ** with GDIT. A career in… more
- General Dynamics Information Technology (Fort Meade, MD)
- …of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior - TS /SCI required** Transform technology into ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...opportunity as a ** Systems Administrator Senior ** with GDIT. A career in… more