Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Windows SysAdmin - 75% Remote | TS/SCI Eligible

Leidos

Leidos seeks a Senior Windows System Administrator for a fast-paced program, requiring TS/SCI eligibility. The role covers daily Windows/Linux system administration, Hyper-V, storage, and security controls across a broad infrastructure.

You will manage AD, DNS, DHCP, Group Policy, PKI, and monitoring, with collaboration across cybersecurity teams to meet RMF/ATO requirements. Hybrid schedule with travel to customer sites as needed.

#J-18808-Ljbffr
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Senior Windows SysAdmin - 75% Remote | TS/SCI Eligible in Chicago, IL vacancy
  • $146k - $234k

     ...endpoints and troubleshooting Windows 10/11 clients — while...  ...substituted for a BS.An active TS/SCI w/Poly is required.5+ years of...  ...Firepower/ASA).Familiarity with remote administration tools.Understanding...  ...to a generous PTO cap, and eligibility to participate in an... 
    Remote work
    Senior
    Windows
    Contract work
    Temporary work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    2 days ago
  • $112k - $179k

     ...opportunity for an experienced Senior Systems Administrator...  ...will hold an active TS/SCI clearance, with the...  ...troubleshoot, and maintain Windows-based servers,...  ..., access controls, and Remote Desktop.Perform system...  ...position, employees may be eligible for overtime, shift differential... 
    Remote work
    Senior
    Windows
    Contract work
    Shift work

    Peraton Corporation

    Annapolis Junction, MD
    5 days ago
  • $93.66k - $115k

     ...Windows Systems AdministratorSystems Administrator maintains an organization's computer...  ...Administrator that holds an active TS/SCI eligible clearance for a position located in Arlington...  ...a member of a dispersed team providing remote helpdesk support. This work is... 
    Remote work
    Senior
    Windows
    Temporary work
    Work at office
    Local area
    Flexible hours

    General Dynamics Information Technology

    Arlington, VA
    1 day ago
  • $150k - $175k

     ...contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience to...  ...on-prem and remote Linux-based Oracle database appliancesDevelop...  ...TOP SECRET clearance with SCI eligibility required; Program Access Request... 
    Remote work
    Senior
    Windows
    Local area
    Relocation package

    AMERICAN SYSTEMS

    Washington DC
    1 day ago
  •  ...machines, hosts, and devices via vCenter, remote desktop protocols, and other virtualized...  ...virtualization environment including Microsoft Windows and Linux O/S systems. Provide systems...  ...the ITIL framework ~ Must have current TS/SCI security clearance ~ Must be a U.S.... 
    Remote work
    Senior
    Windows
    Contract work
    Work experience placement
    Local area
    Shift work
    Night shift

    Connect Talent Solutions

    Springfield, VA
    13 days ago
  • $83k - $118k

     ...be responsible for supporting classified Windows desktop systems and essential...  ...security best practices. Current active TS/SCI clearance with a full-scope polygraph....  ...security investigation(s) and must meet eligibility requirements for access to classified information... 
    Senior
    Windows
    Work at office
    Local area
    Flexible hours

    L3Harris Technologies

    Solana Beach, CA
    4 days ago
  • $190k - $200k

     ...~ Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess...  ...Configure and manage Linux, and possibly Windows operating systems, installs/loads...  ...Confluence. Required Experience Senior level Linux Systems Administration experience... 
    Remote work
    Senior
    Windows
    Full time
    Immediate start

    Shield Consulting Solutions

    Laurel, MD
    1 day ago
  •  ...Point, Inc. seeks an Information Technology Senior Consultant with an active TS/SCI w/ FSP clearance to lead enterprise Windows engineering, AD/GPO, and virtualization efforts...  ..., and DISA/NIST controls, and offers remote-friendly arrangements with competitive compensation... 
    Remote work
    Senior
    Windows

    Onyx Point, Inc.

    Hanover, MD
    1 day ago
  • $86.8k - $165.2k

     ...required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: TS/SCI with CI Poly - Current...  ...operating systems to include Linux, Windows, and VMWarePerforms routine and...  ...as on-site, hybrid or remote.The salary range for this role... 
    Remote work
    Windows
    Temporary work
    Work experience placement
    Work at office
    Relocation
    Flexible hours

    Raytheon

    Pascagoula, MS
    3 days ago
  •  ...Senior VDI / Cloud Systems AdministratorCurrent active TS/SCI clearance required ABOUT SBS Strategic Business Systems, Inc....  ...will have a strong background in Windows systems administration,...  ...dental, and vision coverage; HSA-eligible plan options available401(k) retirement... 
    Senior
    Windows
    Contract work
    Temporary work
    For contractors
    Local area
    Flexible hours

    ClearanceJobs

    Maryland
    2 days ago
  •  ...Onyx Point, Inc. is seeking a Senior Splunk Administrator with TS/SCI clearance to design, implement, and maintain a secure Splunk environment on hardened...  ..., and cross-platform experience across Linux and Windows. You will design architectures, onboard data, and troubleshoot... 
    Remote work
    Senior
    Windows

    Onyx Point, Inc.

    Shiloh, IL
    3 days ago
  •  ...be responsible for supporting classified Windows desktop systems and essential...  ...security best practices. Current active TS/SCI clearance with a full-scope polygraph....  ...security investigation(s) and must meet eligibility requirements for access to classified information... 
    Senior
    Windows
    Work at office
    Local area

    Harris Corporation

    Palm Bay, FL
    4 days ago
  • $92.5k - $171.5k

     ...Machine Images (AMI), managing and optimizing Windows and Linux systems, as well as virtual...  .../Sensitive Compartmented Information (TS/SCI) DoD 8570.01-M IAT Level 2 Required...  ...security investigation(s) and must meet eligibility requirements for access to classified information... 
    Senior
    Windows
    Local area
    Flexible hours

    Harris Corporation

    Melbourne, FL
    1 day ago
  • $90k - $110k

     ...Senior Computer Network Architect - TS/SCIOur client is a global leader in remote satellite-based communications solutions that solve our customers...  ....Hands-on experience with Windows and/or Linux servers,...  ...US Citizen with an active TS/SCI level government clearance.... 
    Remote work
    Senior
    Windows

    ClearanceJobs

    Fort Bragg, NC
    2 days ago
  •  ...ideal candidate will be responsible for supporting classified Windows desktop systems and essential applications. This role combines...  ...protocols, PowerShell, and security best practices.Current active TS/SCI clearance with a full-scope polygraph.Preferred Additional... 
    Senior
    Windows
    Work at office

    L3Harris Technologies

    Palm Bay, FL
    1 day ago
  •  ...Administrator to support mission-critical IT programs for national security. The role requires TS/SCI with Polygraph and 5+ years of systems administration experience, including Linux and Windows servers, Oracle databases, DNS, and domain controllers. You will automate... 
    Senior
    Windows

    NAVSTA

    McLean, VA
    1 day ago
  •  ...Consulting in Annapolis, MD seeks a Mid/Sr System Administrator with TS/SCI clearance. You will support an air‑gapped distributed network,...  .../desktop environments, and enforce security controls across Windows and Linux systems. Responsibilities include AD/PKI... 
    Senior
    Windows

    J&T Business Consulting

    Maryland
    2 days ago
  • $130k - $150k

     ...seeking a motivated, customer-focused Senior Systems Administrator to provide Tier II...  ...Directory, Group Policy, DNS, and DHCPMS Windows Server and desktop operating...  ...QualificationsActive Top Secret clearance with SCI eligibility.One of the following combinations of education... 
    Senior
    Windows
    Full time
    For contractors
    Relocation
    Shift work
    Day shift

    AMERICAN SYSTEMS

    Chantilly, Loudoun County, VA
    3 days ago
  • $95.9k - $178.1k

    Requisition ID: 3932ERP Eligible?: NoERP amount: N/ARelocation: NoType: ExemptShift: 1Clearance Prior to Start: TS/SCIFinal Clearance: TS/SCI w/PolyPay Transparency: $95,900.00 - $178,100.00...  ...experience administering Linux and Windows server environments• Demonstrated experience... 
    Senior
    Windows
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours
    Shift work

    Lockheed Martin

    Littleton, CO
    3 days ago
  • $170k - $200k

     ...Legato, LLC is seeking a Senior Systems Administrator in Aurora, CO to support complex enterprise IT systems. TS/SCI with Polygraph clearance is required and the salary range...  ..., and troubleshoot issues across UNIX and Windows environments and Cisco networking gear. The... 
    Senior
    Windows

    legato

    Aurora, CO
    5 days ago
  •  ...delivering responsive end-user support. The ideal candidate has extensive Windows 10/11 experience, experience with VDI, SCCM/MECM, and strong communication skills to interact with non-technical staff. A TS/SCI with Poly is required for this role. #J-18808-Ljbffr
    Senior
    Windows

    Peraton

    Maryland
    1 day ago
  •  ...Lentech, Inc in Bethesda, MD seeks a senior SA to support DoD IT systems in a highly secure environment....  ...client/server/storage networks, with emphasis on UNIX/Windows operations and automation. Required are active TS.SCI with FSP, 10 years SA experience, DoD 8570 IAT... 
    Senior
    Windows

    Lentech

    Bethesda, MD
    4 days ago
  •  ...issues, and escalating for resolution while applying patches as directed. The candidate must have Delinea Secret Server experience, an active TS/SCI clearance (willingness to obtain a CI poly), DoD 8570 IAT II certification, a technical bachelor's #J-18808-Ljbffr
    Senior
    Windows

    Enssolutions

    Washington DC
    1 day ago
  •  ..., seeks a Systems Administrator - Level 5 to oversee Linux and Windows environments on major government contracts. You’ll manage VMware...  .... On-site role with travel as needed. Required are a TS/SCI clearance with Full Scope Poly, and a DoD 8570 IAT Level 2 cert... 
    Senior
    Windows

    Northrop Grumman

    Aurora, CO
    1 day ago
  •  ...support IT systems at Fort Meade, MD. The role involves Linux/UNIX/Windows administration, patch management, and Tier 1–2 issue resolution...  ...a security-conscious environment. The candidate must hold a TS/SCI clearance with a Polygraph, with extensive SA experience and... 
    Senior
    Windows

    Power3 Solutions

    Maryland
    3 days ago
  • Compass Point is looking for a Senior Help Desk Technician to...  ...possess active DoD Top Secret/SCI clearance and DoW 8140-411...  .... Possess current TS clearance with SCI eligibility. Bachelor's degree in the...  ...natives from one of the most remote and harshest environments in... 
    Remote work
    Senior
    Contract work
    Temporary work
    For contractors
    Work at office
    Night shift
    Rotating shift

    Akima, LLC

    Tampa, FL
    4 days ago
  •  ...infrastructure near Fort Meade, MD. The role covers UNIX/Linux/Windows configuration, system maintenance, and Tier 1/2 support for...  ...security controls and POA&M processes. Top candidate will hold TS/SCI with Polygraph, have extensive SA experience, and be ready to coordinate... 
    Senior
    Windows

    Power3 Solutions

    Maryland
    1 day ago
  •  ...Maryland is seeking a highly skilled IT systems administrator with TS/SCI clearance to support, troubleshoot, and maintain complex IT...  ...network, and virtualization management across Linux, UNIX, and Windows platforms, with emphasis on reliability and performance. The... 
    Senior
    Windows

    WOOD Federal Solutions

    Laurel, MD
    4 days ago
  •  ...configuring, securing, and maintaining Windows and Linux systems, networks,...  ...and an active or obtainable TS//SCI clearance with CI polygraph....  ...they cannot be accomplished remotely.Equipment UsedComputer/...  ...pass CI Polygraph. Additional eligibility requirements for access to... 
    Remote work
    Windows
    Work at office

    ActioNet

    Honolulu, HI
    1 day ago
  •  ...Tier 2 (Escalation) support, configuring and managing UNIX and Windows operating systems, and supporting the installation and maintenance...  ..., and software integration. Clearance Requirements TS/SCI with FS Polygraph is required. We are not able to upgrade clearances... 
    Senior
    Windows
    For contractors

    Stanley Reid & Company

    Aurora, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Windows SysAdmin - 75% Remote | TS/SCI Eligible. Be the first to apply!