Windows Systems Administrator
Quevera
Windows Systems AdministratorQuevera is seeking a Windows Systems Administrator with an active TS/SCI Clearance with Polygraph in Columbia, Maryland.This role supports the administration, maintenance, and availability of enterprise IT systems across physical and virtual environments. Responsibilities include system configuration, software updates, patch management, backup and recovery, performance monitoring, and Tier 2/3 technical support to maintain reliable and efficient operations.Job Responsibilities:Administer and maintain day-to-day IT systems, including physical and virtual environments, system availability, configuration changes, and patch management.Install software releases, perform system upgrades, evaluate and apply patches, and troubleshoot hardware and software issues.Perform system backups and recovery, maintain data files, and monitor system configurations to ensure data integrity.Monitor system performance, conduct capacity planning and system tuning, and analyze technical issues to support reliable operations.Provide Tier 2 and Tier 3 technical support, coordinating issue resolution with clients, vendors, application programmers, and network support teams in a 24/7 operational environment.Monitor, diagnose, and respond to hardware and software issues affecting desktops, servers, LAN/WAN, and voice or video network systems.Research and evaluate technical solutions, applying standard systems administration practices within DevOps environments.Develop and maintain administrative policies, procedures, and technical documentation supporting system integrity and operations.Install, configure, and test workstations, servers, printers, and network components as needed.Perform hardware and software testing, establish system acceptance criteria, and support system upgrades and implementations.Coordinate with clients and technical teams on system requirements, implementation schedules, training needs, and administrative guidelines.Support the delivery, staging, and configuration of client/server hardware and software, including network interfaces and associated Ethernet connectivity.Configure server hardware and network interfaces according to client and vendor specifications.Maintain inventory, installation planning documentation, client profiles, and system configurations supporting software distribution.Minimum Requirements:Active TS/SCI Clearance with Polygraph required.Ten (10) years of systems administration experience supporting programs and contracts of similar scope, type, and complexity.Bachelor's degree in Computer Science, Information Assurance, Information Security Systems Engineering, or a related discipline from an accredited college or university. Five (5) years of systems administration experience may be substituted for the degree.DoD 8570 IAT Level II certification required; CompTIA Security+ preferred.Why Join Quevera?Award-Winning CultureQuevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025, marking our fifth consecutive year receiving this distinction based on employee feedback.Outstanding BenefitsWe invest in our employees and their families through a highly competitive benefits package, including:100% employer-paid medical coverage (optional plan)Competitive options for Medical, Dental and Vision insuranceEmployer-paid short-term and long-term disability coverageEmployer-paid life insurance$5,000 annually for education, training, certifications, and professional developmentCareer advancement through our structured iQTouch ProgramUp to 6% 401(k) matchAdditional 4% profit-sharing contribution, at company discretionAt Quevera, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace—we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence.Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law.
$98.1k - $153k
...video devices. We support local and campus area networks, including wireless and cable plant.AT&T has an opening for a lead Windows Systems Administrator to administer the daily duties of managing and maintaining the IT systems.This is a full-time onsite role based in the...SuggestedFull timeTemporary workLocal areaRelocation$116.35k - $210.33k
Senior Windows System Administrator; requires TS/SCI Polygraph up front.Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering...SuggestedFull timeImmediate startFlexible hours- ...is seeking a Windows Systems Administrator (Journeyman) to support the Department of State (DoS) Diplomatic Security Cyber Mission (DSCM) program. This role provides hands-on support for enterprise Windows infrastructure within the DT/CO/CTMR environment, contributing...SuggestedFull time
$73.45k - $132.78k
...Description Leidos currently has an opening for a Windows Systems Administrator to support a Department of War customer, onsite, in Fort Meade, Maryland. POSITION SUMMARY: This position will support the administration, maintenance, security, and reliability...SuggestedContract workLocal areaImmediate start2 days per week3 days per week- ...Senior Windows System AdministratorJoin WOOD Federal Solutions as a Senior Windows System Administrator supporting a high-performing Agile team in a complex, fast-paced mission environment. In this role, you will help sustain and strengthen a geographically distributed...SuggestedFor contractors
$164k - $200k
...Senior Windows System AdministratorBelay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate...Contract workWork experience placementFlexible hours$112k - $179k
...Visit peraton.com to learn how we’re keeping people around the world safe and secure.ResponsibilitiesPeraton is seeking a Windows Systems Administrator (Journeyman) to support the Department of State (DoS) Diplomatic Security Cyber Mission (DSCM) program. This role...Contract workTemporary workShift work- ...Job DescriptionJob DescriptionMarathon is seekeing Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting...Contract work
- ...Job Description Job Description What You Will Do: At Independent Software, as a System Administrator Level 2, you will administer, maintain, and troubleshoot Windows-based IT systems in a mission-critical environment. You will support physical and virtual servers...
$121.99k - $130.29k
...Job Description Job Description The Windows System Administrator will be responsible for administrating day-to-day IT systems to include system availability, backup/restore, configuration changes, maintaining and patching both physical and virtual. Installs new...Local area$145k - $165k
...Job Description Job Description Overview Senior Windows Systems Administrator LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time CLEARANCE: Active Top Secret / TS/SCI (Required) TRAVEL: Less than 10% SALARY RANGE: $145k - $165k Astrion has...Full timeMonday to Friday- ...THE U.S. ARMY OR ARMY RESERVE*** As a Network Communication Systems Specialist, you'll be responsible for installing, repairing,... ...with Maintenance & Repairs, Electronic Troubleshooting, Network Administration. In addition, there are 131 nationally recognized...Full timePart timeImmediate startRelocation package
$231k
...network infrastructure. • Configure, manage, and optimize Windows and UNIX operating systems while performing capacity planning and operational... ...yearly Job Description: • Deliver day-to-day IT systems administration, monitoring, and problem resolution across client, server...$89.2k - $184k
...by maintaining, documenting, and administering enterprise IT systems.Job Duties/Responsibilities:Provide high performance, highly available... ...of: SQL Server, SharePoint Portal ServerOur Senior Database Administrator's earn between $89,200 - $184,000. Not to mention all the...Full timeTemporary workLocal areaRelocation$98.1k - $181.9k
...and collaboration capabilities on the IC system domains to the IC and its partners in... ...Enforcement.AT&T has an opening for a Database Administrator to support Public Sector Solutions.This... ...of SQL Server AlwaysOn.Knowledge of Windows Event Log Filtering.Knowledge of Windows...Temporary workWork at officeLocal areaRelocation$98.1k - $181.9k
...and collaboration capabilities on the IC system domains to the IC and its partners in... ...Enforcement.AT&T has an opening for a Database Administrator to support Public Sector Solutions.This... ...of SQL Server AlwaysOn.Knowledge of Windows Event Log Filtering.Knowledge of Windows...Temporary workWork at officeLocal areaRelocation$89.2k - $170k
...spectrum of national security operations.AT&T has an opening for a System Administrator to support the day-to-day IT systems for our customized... ...is offered. Administrating day-to-day Linux and/or Windows IT systems to include system availability, backup/restore, configuration...Temporary workWork experience placementWork at officeLocal areaRelocation$73.45k - $132.78k
Leidos has a new and exciting opportunity for a Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods...Full timeImmediate startRelocation packageFlexible hours$72k - $129.4k
...communications infrastructure. We are seeking a detail-oriented LMR System Administrator who brings strong technical troubleshooting, security... ...coordinate system updates, patching activities, maintenance windows, and regular technical syncs to ensure security compliance...Temporary workWork at officeLocal areaRelocation$89.2k - $129.4k
...plant.Join a mission-focused team supporting critical communications infrastructure. We are seeking a detail-oriented Telephony System Administrator who brings strong technical troubleshooting, security monitoring, and collaboration skills to help maintain reliable,...Full timeTemporary workLocal areaRelocation$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...Full timeContract workPart timeWork at officeLocal areaRemote work- ...ENLISTMENT IN THE U.S. ARMY OR ARMY RESERVEAs a Network Communication Systems Specialist, you'll be responsible for installing, repairing,... ...Maintenance & Repairs, Electronic Troubleshooting, Network Administration. In addition, there are 131 nationally recognized...Full timePart timeImmediate start
- Title:Enterprise Applications Systems AdministratorWe are KBRWhen you become part of our KBR team, your opportunities are endless. Through... ...the RoleKBR is seeking an Enterprise Application Systems Administrator to join the Enterprise Systems team. This role supports the...Full timeTemporary workLocal areaRemote workRelocation packageFlexible hours
$48.51 - $84.9 per hour
...what’s possible.Job Description:Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we... ...requirementsResponsible for the administration of Linux systems, and Windows servers inclusive of applications, processes the system...Full timeWork experience placementFlexible hours- ...Senior Oracle Database Administrator (DBA)CDIT is a technology solutions company supporting government and national security customers with secure, mission-focused IT solutions. We partner with highly skilled technical professionals to support complex environments where...
- This posting does not mention sponsorship either way. TEKsystems Global Services, LLC has 446 certified H-1B filings on record with the US Department of Labor. That is the employer’s history, not a statement about this job. We are looking for a Desktop Support Technician...H1bRemote work
$120k - $130k
...Systems AdministratorTulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds... ...to maintain operating efficiency. Performs systems security administration functions, including creating user profiles and accounts. Other...Hourly payTemporary workLocal area$7.5k
...Engineers, Database Engineers, Information Systems Security Engineers, Network Engineers, Software Engineers, System Administrators, Systems Engineers, Technical Writers, by supporting... .... Configures and manages UNIX, Linux and Windows operating systems and installs/loads...Contract workWork experience placementImmediate startFlexible hours- ...processes are reinforced through our organization’s externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security...Flexible hoursWeekend work
$90k - $120k
...Newsweek as one of the Best American Mid-Sized Workplaces in 2026, Rohde & Schwarz is seeking an experienced Senior Network Administrator for our System Engineering organization to support a large air traffic control government program deploying voice communication systems...Work at officeWork from home2 days per week3 days per week
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