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Mission Technologies, a division of HII · 7 hours ago

UNIX/Windows System Administrator (Systems Administrator 3) 26605

Beale Air Force Base, CA

Full-time

Onsite

Mid, Senior Level

$88K/yr - $110K/yr

6+ years exp

Mission Technologies, a division of HII, is currently seeking a UNIX/Windows System Administrator to support operations at Beale AFB, CA. This role ensures the continuous availability and security of classified and unclassified information systems critical to ISR missions, involving hands-on work in both UNIX and Windows environments.

Defense & Space

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Ensure continuous availability of classified and unclassified UNIX and Windows systems

Provide daily system administration, maintenance, and troubleshooting support

Sustain operating capability across servers, workstations, and virtualized environments

Diagnose and resolve hardware and software issues across hybrid infrastructures

Support users with system access, configuration, and technical assistance

Maintain secure, compliant, and mission‑ready IT environments

Assist with technical project development and implementation

Support system upgrades, enhancements, and modernization initiatives

Collaborate with team members to integrate new capabilities into existing environments

Maintain accurate system documentation and configuration records

Ensure compliance with DoD, Air Force, and security directives

Support audit readiness and system security requirements

Qualification

UNIX System AdministrationWindows System AdministrationCompTIA Security+ CETechnical Project SupportTroubleshooting Hardware/SoftwareScripting/ProgrammingHigh-Performance ComputingDocumentation Compliance

Required

6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience

Previous experience as a System Administrator in a hybrid Windows/UNIX environment

CompTIA Security+ CE (or higher) in accordance with DoD 8570.01-M

Strong foundational knowledge of troubleshooting hardware and software infrastructures

Active TS/SCI clearance

Valid passport