System Administrator (All Levels)

Adaptic; Maryland; Sur place; USD 90 000 - 130 000; Plein temps

Résumé du poste

Adaptic is seeking System Administrators to join a mission-focused team supporting DoD and Intelligence Community infrastructure. You will help keep mission-critical environments secure, stable, and efficiently running across UNIX/Linux and Windows platforms.

Roles span day-to-day operations, patching, monitoring, capacity planning, and collaboration with engineering for system integration. A TS/SCI with polygraph is required; candidates at various career levels are welcome.

Qualifications

• Active TS/SCI with polygraph clearance.
• Experience with Linux/Unix and/or Windows.
• Strong troubleshooting across systems and infrastructure.
• Experience with monitoring, patching, and performance optimization.
• Understanding of networking concepts.
• Ability to work independently in fast-paced environments.
• Degree in CS/IT or related field (or equivalent).

Responsabilités

• 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.
• Collaborating with engineering teams to support system integration and architecture needs.

Connaissances

TS/SCI with polygraph

Linux/Unix

Windows

Troubleshooting

Networking basics

Scripting (Bash Python PowerShell)

Formation

B.S. in Computer Science or related field

Outils

VMware ESXi

Ansible

Puppet

SaltStack

PowerShell

Python

Description du poste

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