System Administrator
Unisity, LLC
Unisity, LLC is seeking a Systems Administrator to support a large, distributed network environment. The role emphasizes installing applications, maintaining secure, hardened systems, and ensuring reliable operations across air-gapped environments. Travel to CONUS/OCONUS locations is required as needed. Ideal candidates will have 5+ years of experience with Linux and Windows Server, Active Directory, and vulnerability management, with strong scripting and virtualization skills. #J-18808-Ljbffr
- ...Systems Administrator IV (Storage)Location: Annapolis Junction, MD *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Compensation Range: $210k - $230kCompany Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities...SuggestedFull time
- ...Que Technology Group, Inc., is seeking a Junior System Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Job responsibilities include, but are not limited to: Provide support for implementation...SuggestedTemporary workImmediate start
- ...System AdministratorVetegrity is looking for System Administrators with 15+ years of experience. This position requires a TS/SCI with a full scope polygraph. See more details below.Job Duties- Provide support for implementation, troubleshooting, and maintenance of IT...Suggested
- ...and technical support for the DLA Richmond Electronic Marquee System Maintain the availability, security, configuration, and performance... ...network connectivity Provide local and remote system administration, maintenance, upgrades, and installation support Monitor vendor...SuggestedContract workLocal areaRemote work
- ...IntelliGenesis LLC® is seeking a highly experienced System Architect/SA to analyze requirements, support IT systems, and manage daily configuration and operation of IT systems in a security-focused environment. Responsibilities include troubleshooting, capacity planning...Suggested
$125k - $145k
...System Administrator IITensley Consulting is seeking a System Administrator II to support the implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides...$130k - $160k
...System Administrator 1Amentum is seeking a System Administrator 1 to provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and...Hourly payContract work- ...and technical support for the DLA Richmond Electronic Marquee System Maintain the availability, security, configuration, and performance... ...network connectivity Provide local and remote system administration, maintenance, upgrades, and installation support Monitor vendor...Contract workLocal areaRemote work
- ...System Administrator II - TS/SCI w/poly clearance Annapolis Junction, MD Description CyberTrend’s leadership has 40 years of experience in the industry, and the company continues to serve as a technology leader on many defense projects and programs. Formed in 2010, CyberTrend...Full timeFor contractorsLocal area
$10k
...Description Columbia Technology Partners is seeking a System Administrator 3 to support the implementation, maintenance, and optimization of IT systems across complex enterprise environments. This role focuses on sustaining mission-critical infrastructure, leading advanced...Temporary workFor contractorsLocal area$99k - $225k
...and work. Innovate with intention Build mission-ready tech that protects the nation. Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. We’re looking for a system administrator with customer...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Senior System AdministratorBe a member of a system administration team responsible for the design, deployment, installation, configuration and maintenance of Linux/UNIX-based server systems and software. Be able to learn quickly and work independently as well as collaborate...
$114k - $164k
...Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a System Administrator to join our intel team. Candidates should have the following qualifications: TS/SCI Clearance with polygraph Tech...Contract workWork experience placementFlexible hours$202.3k - $273.7k
...None Experience: 15 + years of related experience US Citizenship Required: Yes Job Description: SYSTEMS ADMINISTRATOR Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator and build an impactful...Temporary workImmediate startRemote workWorldwideFlexible hours- ...System AdministratorQue Technology Group, Inc., is looking for a highly knowledgeable System Administrator to support daily operations and customer requirements. Requirements include, but are not limited to:Provide triaging, oversight and coordination on all related inquiries...Immediate start
- ...person mixed Contractor/Civilian SA team supporting 3rd party systems. • All supported systems are Linux hard boxes or VM's. •... ...and home directories. Required Skills: • LINUX Administration • Solid experience with STE/STN, DISA STIG compliance work...For contractors
- ...Que Technology Group, Inc., is seeking a Junior System Administrator to provide High Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities. Responsibilities include, but are not limited to: Provide support for implementation, troubleshooting...Temporary workImmediate start
- ...poly required. Position Description: Core Responsibilities Respond to user inquiries via phone, email, chat, or ticketing systems. Log and track support requests using help desk ticketing system. Diagnose and resolve basic technical issues related to hardware...Traineeship
- ...System AdministratorVetegrity is looking for System Administrators with 10+ years of experience. This position also requires a TS/SCI with a Full Scope Polygraph. See additional required skills below.Job Duties:Provide support for implementation, troubleshooting and maintenance...
- MANTECH seeks a motivated, career and customer-oriented System Administrator to join our team in the Annapolis Junction, MD Responsibilities Include But Are Not Limited To Provide support for implementation, troubleshooting and maintenance of networked and disconnected...Flexible hours
$100k - $165k
...quo. For over 20 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity... ...Solutions, Inc. is seeking a TS/SCI Polygraph cleared System Administrator to join our team in Fort Meade, MD. Responsibilities AWS cloud...Temporary workLocal areaFlexible hours$70k - $75k
Systems Administrator Contract to Hire Aberdeen, Maryland On-Site Hourly Rate: $35/hr. W2 Annual Salary: $70,000 to 75,000 plus benefits Requires Interim Secret Clearance or Higher System One is seeking a System Administrator to work for a government client in Aberdeen...Hourly payContract workInterim roleLocal area$2,500 per month
Prodigy One, LLC. is a systems and software engineering services firm providing more than 45 years of service to state and federal... ...changing priorities. The candidate must demonstrate strong system administration and troubleshooting skills and work effectively with the team...Immediate start$10k
Description Columbia Technology Partners is seeking a System Administrator 3 to support mission-critical systems in a dynamic and highly technical environment. The selected candidate will be responsible for administering, maintaining, and optimizing enterprise Linux-based...Temporary workFor contractorsLocal areaShift work- What You Will Do: At Independent Software, as a Systems Administrator, all levels, you will support secure, mission‑critical infrastructure across Linux and mixed Linux/Windows enterprise environments. This role supports a wide range of operational systems including virtualized...
$116k - $124k
...Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Mid-Level System Administrator to join our intel team. The SA2 will provice support for implementation, troubleshooting and maintenance of Information...Contract workWork experience placementFlexible hours$170k - $200k
Location: Annapolis Junction, Maryland, United States Position Title: Systems Administrator What You’ll Be Owning GRVTY is seeking a Systems Administrator with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Annapolis Junction...- Position Description Performs daily systems analysis, customer and contractor training, systems administration, and hardware maintenance. Performs daily analysis of systems and database management and configuration of Operating Systems, Software Applications, Active Directory...For contractorsLocal area
$10k
...experience that is rare within our industry. Responsibilities Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of configuration and operation of IT systems Provide Tier 1 (Help Desk) problem identification,...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start- ...unable to sponsor an employment Visa. What You’ll Be Doing (We don't love the bullet points, but we love the work!) As the System Administrator, you'll get to be responsible for providing network management and systems administration support to maintain the Agency’s High...Visa sponsorshipWork visa
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