Senior Systems Administrator (Corp205)

Confirmed live in the last 24 hours

Research Innovations

San Antonio, TX

On-site

Posted April 3, 2026

Job Description

Position Title: Senior Systems Administrator

Location: Onsite in our San Antonio, Texas office

Clearance Requirement: Top Secret with SCI eligibility

Employment type: Full Time

Certifications: Must hold applicable DoD 8140 baseline certification (e.g., Security+, CISSP, or equivalent for IAT/IAM roles).

Research Innovations, Inc. (RII) is breaking through the big, slow, status quo with transformative technology that fundamentally changes and improves the world. We develop cutting-edge software and systems for all levels of the government and military. Using agile development practices and user-centered design, we create innovative solutions for complex real-world problems.

Currently, RII is seeking a motivated, mission-oriented Senior Systems Administrator to join our team supporting critical operations in secure facilities at our office located in the Forum Building. We are seeking a hands-on, mid-level Systems Administrator II who can independently administer, troubleshoot, and secure Linux, Windows, and VMware environments in classified settings. This role is for an operator who enjoys deep technical work and takes ownership of system reliability, patching, hardening, and troubleshooting in high-stakes environments.

This role requires an active US TS/SCI security clearance.

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