System Administrator
Prattwhitney
RTX Corporation is seeking a System Administrator to deploy, configure, and maintain Windows 11 workstations and related infrastructure onsite at Dulles, VA. The role requires hands-on expertise, strong troubleshooting, and experience with modern endpoint management, security, and automation tools. The candidate will use Microsoft Intune, SCCM, and PowerShell to manage devices, uphold security, and support ongoing IT operations. A TS/SCI clearance with polygraph and U.S. #J-18808-Ljbffr
Vacancy posted 4 days ago
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Job Title: Classified Systems Administrator and ISSOJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The OpportunityCACI...SuggestedContract workWork experience placementFlexible hours- ...BRPosted: 2026-07-06Location: Herndon, VirginiaClearance: TS/SCI w/Poly SPCompany: Lockheed MartinDescription:• Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and...SuggestedFull timeFor contractorsWork at officeRemote workMonday to FridayFlexible hours
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Job Title: Infrastructure/Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to... ...Opportunity:Join our dynamic team as an Infrastructure/Systems Administrator and play a crucial role in maintaining and enhancing our IT...Contract workWork experience placementFlexible hours$102.85k - $139.15k
Systems Administrator (Experienced or Senior)Company:The Boeing CompanyBoeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS), seeks a System Administrator (Experienced or Senior) (Shift Work) to join our Mission Operations team in Herndon, VA....Permanent employmentFull timeVisa sponsorshipWork visaRelocation packageFlexible hoursShift workNight shift$85k - $95k
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Herndon, VA2 days ago$150k - $165k
...Overview Systems Administrator Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because...Bcore
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...the cost of IT ownership. We provide executive-level, white-glove support. Opening Solvere One is seeking highly qualified System Administrator candidates to provide support to clients. The duties of this role include ensuring clients meet Solvere One technical best practices...Full timeLocal areaSolvere One LLC
Sterling, VA21 hours ago- ...provides technically advanced full-spectrum cyber, data operations, systems integration, and intelligence mission support services to meet... ..., defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly This position is...Contract work
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Sterling, VA1 day ago - ...extensive experience and effective approach, ensuring that we lead with both innovation and integrity. The Position Senior System Administrator provides Tier I/II/III systems administration and IT operations support within classified environments. This role delivers subject...RelocationDay shift
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Herndon, VA21 hours ago $92k - $185k
...Security Clearance Active TS/SCI with FS Polygraph required Position Apogee's ideal Systems Administrator will provide support for a comprehensive suite of applications. The necessary support & services include systems administration & Tier 2 help desk support in a 24/...Temporary workFlexible hoursShift workApogee Integration
Herndon, VA3 days ago- ...We are seeking a skilled and detail-oriented Systems Administrator to support and maintain enterprise Windows and Linux server environments in a fast-paced, mission-focused organization. This role is responsible for building, configuring, securing, and monitoring systems...Contract work
Altus Consulting Corp
Herndon, VA2 days ago - ...Responsibilities Support the National Programs Intelligence Systems & Application Operating Unit. Perform installation, configuration... ...with 3+ years of experience. Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX...
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Herndon, VA21 hours ago - ...Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations...
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Herndon, VA4 days ago $135k - $216k
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ARMISON TECH, INC.
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Node.Digital
Herndon, VA1 day ago - ...Overview Job Title: Systems Administrator Location: Herndon, VA (Hybrid: 3 days/week onsite: Tuesday, Wednesday, Thursday) Type: 6+ months Contract Rate: $Open /hr. Job Description The ideal candidate is a reliable, hands-on Microsoft 365 administrator with strong troubleshooting...Contract workWork at office3 days per week
TWO95 International
Herndon, VA2 days ago - ...Title: Systems Administrator SME Location: Herndon, VA Clearance: Active TS/SCI w/ Polygraph needed to apply Company Overview Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on...
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Herndon, VA1 day ago - ...BCore is seeking a Systems Administrator in Herndon, VA to support mission-critical IT solutions for government clients. The role requires TS/SCI with polygraph and hands-on experience with cloud and DevSecOps in a secure environment. You will participate in design, deployment...
Bcore
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Ardent Principles Inc
Herndon, VA3 days ago - ...Altus Consulting Corporation seeks a skilled Systems Administrator to maintain enterprise Windows and Linux server environments. You will build, configure, secure, and monitor systems across virtual and physical infrastructure, ensuring compliance with security requirements...
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Herndon, VA4 days ago - ...Nightwing Intelligence Solutions, LLC is seeking a lab and systems administrator to support provisioning, imaging, and access management for lab users. The role requires DoD/ DHS suitability and the ability to work across Linux/Unix and macOS environments. The candidate...
Nightwing Intelligence Solutions, LLC
Sterling, VA3 days ago
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