- 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)
- …professionalism. We have a great opportunity for a Senior Systems Administrator II - Desktop Support - active TS /SCI clearance in Springfield, VA. The ... position will require US citizenship and an active DoD Top Secret /SCI clearance. The position requires the...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II -… 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
- 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
- GovCIO (Washington, DC)
- **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… 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
- SMX (Dahlgren, VA)
- Senior Windows Systems Administrator ... + Must be able to obtain and maintain Top Secret + Master's level degree in ... (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior Windows Systems Administrator to join our team in support of… 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
- SMX (Dahlgren, VA)
- …in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team ... Senior Linux/Unix Systems Administrator ... Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs)...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux/Unix systems… 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
- First Division Consulting (Dahlgren, VA)
- …contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/Linux Systems Administrator to support a Department of ... + Strong knowledge of cybersecurity vulnerabilities, attack methods, and detection techniques. + Active Top Secret ( TS ) clearance with SCI eligibility. + One… 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
- 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
- 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