Senior Systems Administrator

Jt4, Llc; Ridgecrest (CA); On-site; USD 95,000 - 135,000; Full time

Job summary

Jt4, Llc in Ridgecrest, California, is seeking a Senior Systems Administrator to safeguard our on-premise infrastructure for a demanding cybersecurity posture. The role is strictly on-site at China Lake, with no telework option.

You will maintain systems configurations, perform network systems administration, and ensure hardware/software compatibility across environments. A current Active Secret clearance is required.

Salary ranges from $95,000 to $135,000 per year, with benefits as applicable.

Qualifications

• Highly experienced in systems administration.
• Active Secret clearance required.

Responsibilities

• Maintain systems configuration and ensure hardware and software compatibility to support a strong cybersecurity posture.
• Perform network systems administration.

Skills

Senior systems administration

Active Secret clearance

Tools

Hardware

Support

Network

Job description

Salary: $95,000 - 135,000 per year Requirements:

• Highly experienced in systems administration
• Active Secret clearance

Responsibilities:

• Maintain systems configuration and ensure hardware and software compatibility to support a strong cybersecurity posture
• Perform network systems administration

Technologies:

• Hardware
• Support
• Network

More:

We are seeking a Senior Systems Administrator for our China Lake, California location. This position is on-site and is not eligible for telework.

last updated 41 week of 2026