System Administrator (All Levels)
Adaptic
Where Systems Meet Mission: Join us as a System Administrator!
At Adaptic, our System Administrators don't just maintain systems—they keep mission-critical environments running, secure, and optimized. Supporting the DoD and Intelligence Community, you'll work on infrastructure that directly enables real-world operations.
Whether you're early in your career or leading system administration efforts across complex environments, we're looking for System Administrators at all levels who thrive on solving problems, improving performance, and ensuring reliability where it matters most.
Your Impact
You'll support and enhance mission systems across their lifecycle—ensuring stability, performance, and security in dynamic environments. Day-to-day, that can look like:
- Supporting implementation, troubleshooting, and maintenance of IT systems across mission environments
- Managing system infrastructure, including servers, storage, networks, and endpoints
- Monitoring system performance and resolving issues across client/server and distributed environments
- Providing Tier 1 and Tier 2 support, including troubleshooting and escalation of complex issues
- Configuring and maintaining UNIX/Linux and Windows operating systems
- Installing, patching, and upgrading system software to maintain security and performance
- Troubleshooting hardware, software, and network-related issues across integrated systems
- Supporting system enhancements to improve reliability, scalability, and efficiency
- Managing system resources and performing capacity planning and optimization
- Collaborating with engineering teams to support system integration and architecture needs
- Communicating system status, issues, and resolutions to internal stakeholders and leadership
Qualifications
- All positions require an active TS/SCI with polygraph
- Experience supporting and maintaining IT systems in Linux/Unix and/or Windows environments
- Strong troubleshooting skills across systems, applications, and infrastructure
- Experience with system monitoring, patching, and performance optimization
- Understanding of networking concepts and system interdependencies
- Ability to work independently and as part of a team in fast-paced environments
- A degree in Computer Science, Information Technology, or a related field (or equivalent experience)
Nice to Have
- Experience with virtualization technologies (e.g., VMware, ESXi)
- Familiarity with automation or scripting (e.g., Bash, Python, PowerShell)
- Experience with configuration management tools (e.g., Ansible, Puppet, Salt)
- Exposure to cloud environments or hybrid infrastructure
- Experience supporting mission or high-performance computing environments
Stability first. Performance always . Apply now to learn more about our extensive benefits and customizable compensation packages.
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- ...Job Description Job Description AEITS seeks a Systems Administrator , Level 2. This is a shift work working weeknights and weekends Sun - Thurs 2pm–10pm or Mon – Fri 2pm– 10pm P osition Description: Performs installation, maintenance and repair...Full timeTemporary workLocal areaShift workWeekend work
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...Job Description Job Description Description: DarkStar Intelligence is seeking a System Administrator Level 2 to support the implementation, troubleshooting, and maintenance of critical Information Technology (IT) systems in a mission-focused environment. This role...Local area$25k
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...provider of cybersecurity, software and systems engineering and IT services to the U.S.... ...critical and innovative capabilities to high-level decision makers that enhance our nation’... ...Overview We are seeking Linux System Administrators to manage, maintain, and secure...Full timeWork at officeFlexible hours- ...MANTECH seeks a motivated, career- and customer-oriented Cloud System Administrator to join the team in Annapolis Junction , MD . Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our...Work at office
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...Job Description Job Description Job Title Mid‑Level Systems Integration Engineer (Linux, Unix, C) Why IDS? IDS believes in resolving... ...experience with Linux systems • Experience in systems administration, network administration, application administration, or IT...Local areaFlexible hoursShift work
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