- 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 (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
- 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
- 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
- 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
- CGI Technologies and Solutions, Inc. (Fort Belvoir, VA)
- **DAI Systems Administrator - Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Fort Belvoir **Position ID:** ... Full Time **Position Description:** We are seeking an IT Systems and Network Administrator to ensure the...and resolving issues with various software. * Security Clearance: Top Secret * DoD 8570.01-M Certification: DFARS… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …RQ193858 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... (GDIT) is seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our...training, or work/military experience. + 3+ years of related systems administration experience + TS /SCI with Polygraph… more
- TekSynap (Fort Belvoir, VA)
- …or SCI eligibility. + DoD 8750 IAT Level II **Overview** We are seeking a ** Systems Administrator ** to support the Defense Threat Reduction Agency at thier Fort ... vision, depth perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** Top - Secret SCI SSBI required to perform system engineering and… more
- Competitive Range Solutions, LLC (Fort Meade, MD)
- …exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance ... of complex DoD systems and networks. This role requires expertise in high-volume,...of continuous learning and improvement. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: +… more
- General Dynamics Information Technology (Fort Belvoir, VA)
- …Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense...or SSCP). + Required: Minimum of a DoD Final Secret security clearance at start. \#GDITPriority \#armajobs The likely… more
- Three Saints Bay (Washington, DC)
- …application problems. + Perform any other related duties as assigned by the Senior Systems Administrator , Technology or other appropriate administrator ... **Juniper Network Administrator - TS /SCI Required (4790)** Location **Washington, DC**...Engineer - TS /SCI Required** with an active Top Secret clearance to join our Team!… more