Senior Systems Administrator; Windows​/Linux Security

Precise Systems Inc. in San Diego seeks a System Administrator III to lead senior IT administration and security hardening across Windows, Linux, virtualization, and network environments. The role supports secure enterprise and tactical systems within government or defense-related settings.

This in-person position requires strong communication, patching, incident response, and collaboration with IT, cybersecurity, engineering, and program teams to sustain mission-ready IT infrastructure.

For the Senior Systems Administrator (Windows/Linux) – Security position at Precise Systems Inc., we are reviewing applications now.

We appreciate your interest in this position.

Join Precise Systems Inc. and contribute to our ongoing work.

Take a moment to read everything above and see whether this role is right for you.

This posting is for the Senior Systems Administrator (Windows/Linux) – Security role at Precise Systems Inc., based in San Diego, CA, United States.