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Nooks · 4 hours ago

Systems Administrator

Arlington, VA

Full-time

Onsite

Mid, Senior Level

$97K/yr - $147K/yr

2+ years exp

Nooks is a startup pioneering Classified Infrastructure-as-a-Service (CIaaS) to support national security. The Systems Administrator is responsible for managing IT systems and infrastructure, ensuring reliability and security while collaborating with cybersecurity staff to maintain compliance and optimize performance.

AerospaceInformation TechnologySubscription Service

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

System AdministrationInformation Assurance CertificationWindowsLinux AdministrationNetworking FundamentalsVirtualization TechnologiesCollaborative Team EnvironmentProblem-Solving Skills

Required

Associate's or Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent work experience)

2–5 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+); higher or additional certifications (e.g., Microsoft, Red Hat, VMware) are a plus

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

U.S. citizenship is required

Top Secret (TS) security clearance with eligibility for Sensitive Compartmented Information (SCI) is required