- 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
- Leidos (Chantilly, 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
- 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 (Columbia, MD)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... lasting impactful results. 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
- BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
- …the technology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working ... solutions for the Defense and Intelligence communities. As a senior systems administrator on our...Ability to author, interpret, and analyze technical documentation + TS / SCI clearance + HS diploma or GED… more
- BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
- …chn ology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within ... solutions for the Defense and Intelligence communities. As a senior systems administrator on our...interpret, and analyze te chn ical documentation + Active TS /SCI clearance; willingness to take a polygraph exam +… 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)
- …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 (Sterling, VA)
- …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator Senior Transform technology into opportunity as a ... Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems... Systems Administrator Senior with GDIT. A career in… more
- ManTech (Chantilly, VA)
- … Administrator ;** to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System ... installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of Windows… 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
- SAIC (Annapolis Junction, MD)
- …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many… 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 ... and participate in a growing ever-changing mission. Apply today! **Qualifications** + Active TS /SCI with Poly + 14 years of relevant IT experience + Bachelor's… more
- Lockheed Martin (Annapolis Junction, MD)
- …a referral\. If your referral is hired, you'll receive a payment\! code\-extrefer Senior Systems Network Administrator \- Clearance Required WHAT WE'RE ... where we foster innovation and integrity\. * As a Senior Systems Network Administrator , you'll...software processes may be substituted for a bachelor's degree\. TS /SCI with Poly Required Skills: * Extensive experience with… more