Senior Systems Administrator (Windows & Linux)

Responsibilities: of the Senior Systems Administrator (Windows & Linux): • Administer and maintain Windows and Linux server environments. • Monitor system health, performance, and security compliance. • Utilize Splunk and Nessus to identify and remediate vulnerabilities. • Support system patching, upgrades, and hardening activities. • Troubleshoot complex infrastructure issues across multiple platforms. • Collaborate with cybersecurity and engineering teams to maintain secure operations. Qualifications: of the Senior Systems Administrator (Windows & Linux): • Active TS/SCI clearance with Full Scope Polygraph (FSP). • Security+ CE certification or higher. • Experience administering both Linux and Windows environments. • Experience with IT security compliance initiatives. • Hands-on experience utilizing Splunk and/or Nessus. • Strong problem-solving and infrastructure support experience.