System Administrator
ADP
If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. System Administrator Full Time Professional Vienna, VA, US 2 days ago Requisition ID: 1176 System Administrator The System Administrator provides technical support for JECC workstation and networked peripheral environments. The role includes system installation, configuration, operations, Tier 1–2 troubleshooting, account and permissions management, and support for both NIPR, SIPR, JWICS, and various service-provider-managed operating environments. The System Administrator works closely with Government service providers and serves as a key member of the C5 support team enabling JECC’s operational mission. Key Responsibilities Perform installation, operations, troubleshooting, maintenance, and system removal of JECC-managed servers. Provide Tier 1 and Tier 2 system administration support. Manage user accounts and permissions across NIPR/SIPR domains, Office 365, SharePoint Online, and other systems. Install, configure, maintain, and remove desktop and laptop systems and networked peripherals. Maintain compliance with security requirements and update baseline images. Use approved government ticketing systems and support reporting requirements. Support IT operations for exercises, deployments, conferences, and events. Required Qualifications Bachelor’s degree in Information Technology, Computer Science, Cybersecurity, or related field. Minimum 5 years of relevant experience in system administration or enterprise IT operations. Top Secret clearance with SCI eligibility. Experience with DoD networks (NIPR/SIPR/JWICS), enterprise Microsoft environments, and imaging tools. Strong diagnostic and troubleshooting skills. Preferred Qualifications DoD 8140 baseline certifications (Security+ CE, CCNA-Security, CYSA+). Experience with DISA, USTRANSCOM, or other DoD IT environments. Experience with PKI, SIPR Token Management, and secure system handling. Working Conditions Support during standard duty hours with on-call availability for contingency or mission-critical events. #J-18808-Ljbffr ADP
- DescriptionSr. Systems Administrator - Secret Xcelerate Solutions is seeking a Systems Administrator. Come join our award-winning organization and work with some of the most talented and brightest minds in the GovCon industry.Clearance: Secret Location: Remote Responsibilities...SuggestedRemote work
- ...IT Systems Administrator As an IT Systems Administrator, you will be responsible for the administration, configuration and support of our systems, networks and software. Responsibilities Setting up and configuring new instances of Linux and Windows servers....SuggestedWork at office
$97.73k - $130k
...operations.HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR... ...Technologies.Summary:HII Mission Technologies is seeking an Ab Initio Administrator to support the United States Postal Service (USPS) enterprise...SuggestedPermanent employmentFull timeWork experience placementLocal areaRemote workWorldwide- ...exploitation, operational intelligence, counter unmanned aerial systems and cyber security. TechINT Solutions Group has developed a... ...the airborne High Band System SW sensors • Provide system administration for High Band System SW components GCP and subcomponents CETS...SuggestedFull timeFor contractorsWork experience placement
- ...Senior Systems Administrator Employment Type: Full Time, Senior-level CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative...SuggestedFull timeContract workFor contractorsWork at officeFlexible hours
$97.97k - $118.45k
...Infrastructure and Operations Job Qualifications: Skills: Red Hat Enterprise Linux (RHEL), Trouble Ticketing, Windows System Administration Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job...Temporary workLocal areaImmediate startRemote workWorldwideFlexible hours$50k - $290k
...supports Civilian, Defense, and Intelligence Community customers across the country and around the globe. We are looking for a Systems Administrator to join our high-performing team on a dynamic, mission-focused program. In this role, you will support a comprehensive...Contract workWork experience placementShift work- ...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...
$104.24k - $130.3k
...telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers... ...you'll do: In this role, you will serve as a senior systems administrator and technical lead for secure Operational Technology (OT) and...For subcontractorRemote workFlexible hoursNight shift- Job Title: IT Systems Administrator Location: Fairfax, VA (Onsite) Duration: Long Term Contract Clearance Requirement: Must be a U.S. Citizen Hiring Process: Phone Screen → Video Interview Job Summary: We are seeking an experienced IT Systems Administrator to join a...Long term contractContract work
$50k - $290k
...supports Civilian, Defense, and Intelligence Community customers across the country and around the globe. We are looking for a Systems Administrator to join our high-performing team on a dynamic, mission-focused program in Tysons Corner, VA. Responsibilities Provide...For contractors$75k - $113.79k
Job Title: Systems Administrator III Clearance Required: Secret Work Location: Onsite, San Antonio, TX Key Responsibilities: Analyze, validate, implement, maintain, and configure current services and tools (examples include Active Directory (AD), System Center Operations...Contract workWork experience placementFlexible hours$85k - $105k
Job Title: Systems Administrator Job Type: Full-Time Exempt Location: VA Location Type: Onsite Company Summary Rampant Technologies is an independently owned defense contractor delivering specialized support to the most sensitive national security missions across the Department...Full timeContract workFor contractorsWork at officeLocal areaRemote workFlexible hoursShift work- System Administrator We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security, and performance of our IT infrastructure. In this role, you will be responsible for managing servers, networks, and other...Temporary workImmediate startFlexible hours
- Senior Systems Administrator Location US- ID 2026-1547 Remote Yes Overview JOB TITLE: Senior Systems Administrator AGENCY SUPPORTED: U.S. Department of Justice (DOJ) - MEGA 6 Automated Litigation Support POSITION TYPE: Full-Time, Contingent Upon Award LOCATION:...Full timeContract workFor contractorsWork at officeRemote workWork from homeHome officeFlexible hours
- Senior System Administrator Supplier vetting questions - Please include answers to these questions at the top of candidate resume. Submittals without answers will not be considered. Candidate responses will not be accepted via email. Additions or alterations to answers...
- System Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security...Temporary workFor contractorsImmediate startFlexible hours
- Job Title: Systems Administrator Location: Chantilly, VA Salary: 100-150k TS/SCI clearance required Responsibilities: Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance...Permanent employmentContract workWork experience placementWork at office
- What You'll Bring • 5-10+ years of experience in server maintenance and administration. • Expertise in Azure operations and maintenance. • Strong knowledge of Windows Server (2008R2, 2016), SQL Server (2014/2019), IIS, ColdFusion, and Node.js. • Experience working with...
$98.6k - $133.4k
Systems Administrator - TS/SCI with Polygraph Responsibilities for this Position Location: USA VA McLean Full Part/Time: Full time Job Req: RQ227821 Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours- Senior Systems Administrator (Okta) The Senior Systems Administrator (Okta) is responsible for the stable operation, administration, and maintenance of the DLA Okta environments, including user management, configuration, integration, and Tier III technical support. This...
- Job Description ACTIVE TS/SCI WITH FULL SCOPE POLY REQUIRED*** Our client has an immediate need for a System Administrator with a focus on Linux experience in the McLean, VA area. The on‑site system administrator shall support the day‑to‑day operations of the Sponsor’...Local areaImmediate startRemote work
$150k - $240k
...focused on our National Security. Role Description: Monitor the system’s logs and applications daily. Automate this monitoring to the... ...must have five (5) additional years of experience in systems administration, for a total of 10 years. Required Skills and Qualifications:...For subcontractorLocal areaFlexible hours- ...optimizing the Company's EPM (Enterprise Performance Management) system (OneStream). It will have a blend of both functional and... ...primarily responsible for overseeing full post-implementation administration of the application. The individual in this role must be an organized...Work at officeLocal areaWorldwideRelocation
- MITRE is seeking a Senior Systems Administrator to join a distributed team in McLean, VA. The role focuses on hands-on system administration, lifecycle activities, and security compliance to support Classified Infrastructure. Responsibilities include incident management...
$110k - $145k
Systems Administrator Boston, MA Please Note: We have TWO openings for a Systems Administrator that can be based in one of our many office locations: Boston, MA - Charlotte, NC - Atlanta, GA - Asheville, NC - New York City, NY - Westwood, NJ - McLean, VA Why Work At Modera...Work experience placementWork at officeLocal areaRemote workRelocation- TITLE: Systems Administrator (SA) LOCATION: McLean, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARY Modern Government Solutions (MGS) is seeking a Systems Administrator (SA) to support the implementation...Full timeFor contractors
- Masonbyte is seeking to fill a System Administrator position for our customer in McLean, VA . At Masonbyte, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering,...Permanent employment
- The HPC group is looking for an experienced Linux systems administrator with HPC experience and programming skills, to join our team. The HPC team is responsible for purchasing, deploying, and maintaining HPC hardware and user tools for over 450 MITRE employees. The HPC...Work experience placement
- GDIT is hiring a Systems Administrator in McLean, VA, requiring TS/SCI with Polygraph and 5+ years of related experience. The role emphasizes Active Directory administration, file permissions, and enterprise IT support on onsite systems. Education includes a Bachelor's...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to System Administrator. Be the first to apply!

