Systems Administrator

Nooks•Arlington, VA

13d

About The Position

The Systems Administrator is responsible for managing and maintaining the site’s IT systems and infrastructure to ensure reliability, security, and performance. This role serves as the escalation point for the systems’ support specialist(s), handling complex technical operations, advanced troubleshooting, and infrastructure optimization. The Systems Administrator also partners closely with cybersecurity staff to implement compliance-related technical tasks and security best practices. Acting as the bridge between frontline IT support and the IT Systems Manager, the Systems Administrator plays a key role in maintaining secure, stable, and efficient IT operations.

Requirements

Associate’s or Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent work experience).
3–5 years of hands-on system administration experience, preferably in a DoD or highly-regulated IT environment.
Possess a DoD Manual 8140.03 or DoD Directive 8570.01 Information Assurance Technical II certification or able to obtain one within 6 months of hire (e.g., CompTIA Security+)
Proficiency with Windows and Linux administration, networking fundamentals, and troubleshooting complex IT issues.
Experience with account management, permissions, patching, imaging, and system hardening.
Strong problem-solving skills and ability to work independently while supporting a collaborative team environment.
Candidate must be a United States citizen and capable of maintaining Security eligibility up to the Top Secret/SCI level within 45 days of hire.

Nice To Haves

higher or additional certifications (e.g., Microsoft, Red Hat, VMware) are a plus.
Familiarity with virtualization technologies (e.g., VMware, Hyper-V) and cloud platforms (e.g., AWS, Azure) is preferred.

Responsibilities

Manage day-to-day administration of servers, workstations, and network infrastructure to ensure reliable operations.
Provide Tier II/III escalation support for technical issues, resolving complex hardware, software, and network-related issues.
Implement and monitor system backups, patching, updates, and configuration changes to maintain security and system integrity.
Partner with cybersecurity staff to apply compliance-related security controls, assist with vulnerability remediation, and support audit readiness.
Maintain accurate documentation of system configurations, administrative changes, incidents, and resolutions.
Support IT infrastructure projects, including upgrades, deployments, and system integrations.
Collaborate with the IT Systems Manager to identify opportunities for system improvements and contribute to long-term IT planning.
Ensure all IT operations comply with organizational cybersecurity policies, Department of Defense (DoD) requirements, and security best practices.