Systems Administrator - DoD Lab & ATO Security (Onsite)
Dormont Manufacturing Co
Greenfield Engineering, a Saalex Company, is seeking a Journeyman Systems Administrator in Patuxent River, MD. This role involves supporting lab infrastructure and ensuring compliance with DoD cybersecurity policies while maintaining secure lab operations. The ideal candidate will have over 3 years of system administration experience and a CompTIA Security+ certification. Benefits include health care, retirement plans, and training opportunities. #J-18808-Ljbffr Dormont Manufacturing Co
$110k - $130k
...a-service to national security partners across five domains... ...full stack - from the lab to the field - we are... ...Classified Systems Administrator to support, maintain,... ...Department of Defense (DoD). The ideal candidate... ...Authority to Operate (ATO). What You'll Do...SuggestedHourly payFull timeTemporary workWork at officeMonday to FridayFlexible hoursShift work$115k - $175k
Envision Innovative Solutions in Annapolis Junction, Maryland is seeking a motivated Senior Systems Administrator to support critical IT systems. This onsite position requires ten years of experience, including Linux, AWS, and Kubernetes expertise. The role involves configuring...Suggested$90k - $135k
...seeking a Journeyman Systems Administrator in Patuxent River, MD... ...Mission Systems Group labs, ensuring secure, reliable operation... ...Authorization to Operate (ATO) compliance.... ...Location: Full-time onsite (see onsite requirements... ...ensuring compliance with DoD cybersecurity...SuggestedFull timeTemporary workRemote work$175k - $205k
...008, we have supported critical national security programs by building high-performing engineering... ...career, and customer-oriented Principal Systems Administrator to join our team in Annapolis Junction, Maryland . This position is onsite. Primary Responsibilities Provide...SuggestedHourly payContract workWork experience placement$140k - $180k
We are seeking a System Administrator for one of our PRIME CONTRACTS supporting... ...recruitment, program management, security, logistics and more.... ...ISSOs for system compliance. DoD 8570 compliance with Information... ...supporting Authority to Operate (ATO) processes, RMF activities,...SuggestedMonday to FridayFlexible hours$175k - $205k
Envision Innovative Solutions is hiring a Principal Systems Administrator for Riverstone Enterprise Solutions in Annapolis Junction, Maryland. The role includes providing onsite support for the implementation, troubleshooting, and maintenance of IT systems. The ideal candidate...- ...Defense and related national security customers. Backed by Falfurrias... ..., digital engineering, systems integration, and specialized... ...Aerospace is seeking a System Administrator to support the U.S. Navy's PMA... ...while ensuring compliance with DoD cybersecurity requirements. The...Permanent employmentFull timeWork at officeImmediate start
- Innovative Systems & Solutions in Annapolis Junction, MD is seeking a Senior System Administrator to support DoD IT infrastructure. The role requires TS/SCI clearance with polygraph and 10+ years of SA experience, managing UNIX and Windows environments. You will provide...
$190k - $240k
Senior System Administrator Join a team that powers the business enterprise behind... ...teams develop, modernize, secure, and operate the applications... ...ISSOs for system compliance. DoD 8570 compliance with... ...supporting Authority to Operate (ATO) processes, RMF activities, and...Contract workFor contractorsWorldwideMonday to FridayFlexible hoursNight shift- Virtualization Systems Administrator Your impact: Own your opportunity to support... ...keep critical operations secure and connected across the global... ...degree Certification: Meet DoD 8140 Information Assurance... ...required Location: Onsite Benefits Comprehensive benefits...
$90k - $120k
Saalex Corp. is seeking a Journeyman Systems Administrator in Patuxent River, MD. The role requires... ...administration experience and CompTIA Security+ certification. Responsibilities... ...required. The position is full-time and onsite with a salary range of $90k to $120k annually...Full timeLocal area$140k - $170k
...Are you ready to make a significant impact by supporting critical national security infrastructure? T-Rex Solutions is looking for a fully cleared System Administrator 2 to join our dynamic team in Annapolis Junction in support of the Intelligence Community. ~...Work experience placementImmediate start$70k
...mission‑critical programs across national security, defense, and public service delivery.... ..., and improving essential government systems and services, with proven operational excellence... ...role is remote. The Senior System Administrator provides senior‑level IT operations and...Contract workRemote work$70k
...mission-critical programs across national security, defense, and public service delivery.... ..., and improving essential government systems and services, with proven operational excellence... ...to proceed. The Journeyman System Administrator will be supporting enterprise Patch and...Contract workRemote 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... ...system administration solutions supporting DoD and Intelligence Community missions. Depending on...
- Belay Technologies, Inc. is seeking a senior systems administrator to provide operational support and modernization across DoD programs. You will manage Windows and Linux ecosystems, implement security hardening, and work with DevOps to enable automation, CI/CD, and cloud...
- Overview As a System Administrator Level 2, you will provide hands‑on support for the implementation, troubleshooting, maintenance, and optimization... ...environments, virtualization platforms, automation, and secure system operations. Key Responsibilities Provide support...
- Boeing Intelligence & Analytics seeks a Mid-Level Systems Administrator in Annapolis Junction, MD to maintain multi-user computing environments, ensuring security, reliability, and optimal performance. You will monitor resources, manage user accounts, and coordinate with...
- Leidos is seeking a Mid/Sr System Administrator in Maryland to join a dynamic team focused on National Security. The successful applicant will manage a complex network environment, ensuring optimal performance and security of systems. This role requires extensive experience...Flexible hours
- Innovative Systems & Solutions | Full time - Onsite Senior System Administrator - FFNN-8807 Annapolis Junction, United States | Posted on 03/17/2026 Innovative Systems... ...services to Federal and Department of Defense (DoD) customers. Employees at ISS can look forward to...Full timeTemporary workLocal areaImmediate start
- ...expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted,... ...our customers’ critical needs. Job Summary Seeking a Cloud System Administrator to perform in a cloud environment platform, built with Java...Hourly payAfternoon shift
- Socket.dev is seeking a Senior System Administrator to lead IT infrastructure for enterprise applications in a government-focused context. You... ...and UNIX/Linux systems, ensure patching, hardening, and security compliance, and mentor a systems team across on-premises and...Flexible hours
$87.1k - $157.45k
Leidos has a new and exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Work at officeImmediate startFlexible hours$10k
...Columbia Technology Partners is seeking a System Administrator 2 to support the implementation,... ...issues, and help ensure the reliability, security, and performance of critical IT services... ...experience may be substituted for a degree. DoD 8570 IAT Level I certification (or...Temporary workFor contractorsLocal area$170k - $175k
A leading technology consulting firm is seeking a Senior System Administrator with an active TS/SCI clearance and polygraph. The role involves implementing and maintaining IT systems, providing Tier 1 and Tier 2 support, and managing daily operations across various environments...- .... Our team includes professionals with security clearances and full-scope polygraphs, ensuring... ...critical needs. Job Summary Seeking a System Administrator to support the implementation,... ...communication, and customer-support skills DoD 8570 Information Assurance Technical (...Hourly pay
- A national security technology provider is seeking an experienced systems administrator in Maryland. The role involves implementing and managing research infrastructure systems, performing system administration tasks, and supporting customer operations. Candidates should...
$150k - $205k
ME00615-Cloud System Administrator 2 - Momentum Engineering, Annapolis Junction, Maryland, United States... .... Our team includes professionals with security clearances and full‑scope polygraphs,... ...and problem diagnosis/resolution DoD 8570 IAT Level I certification or higher...Hourly pay- Leidos is seeking a Mid/Sr System Administrator to support a large, complex network environment with geographically distributed systems. You... ..., administer systems, and ensure uptime while aligning with security and operational requirements. Join a fast-paced team with air...
$150k - $205k
ME00617-Cloud System Administrator 2 Momentum Engineering, Inc. fosters an employee‑centric culture... .... Our team includes professionals with security clearances and full‑scope polygraphs, ensuring... ..., application, and data flow issues. DoD 8570 IAT Level I certification or...Hourly payWork experience placementShift work
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