Senior Systems Administrator | DoD-Cleared, Windows/UNIX

Cayuse Holdings; Shiloh (IL); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, Dental and Vision Insurance

401(k) Retirement Savings Plan with匹

Paid Time Off

Short-Term and Long-Term Disability

Job summary

Cayuse Holdings seeks a Senior Systems Administrator to oversee Windows and UNIX-based environments, optimize performance, and troubleshoot complex issues across mainframes, client/server setups, and enterprise systems.

You will lead system improvement initiatives, collaborate with vendors, and document configurations and testing activities to ensure reliability and security across multiple projects.

Qualifications

• Bachelor’s or Master’s degree required with 6–8 years (Bachelor) or 2–6 years (Master) experience.
• DoD 8140-compliant certifications (e.g., IAT Level II) required.
• Top-Secret Clearance is required.
• Must pass background checks as required by projects/clients.

Responsibilities

• Oversee setup, configuration, and operations for mainframe, mini, or client/server systems.
• Manage Windows and UNIX (Linux/Solaris) OS environments as SME.
• Plan and manage custom system solutions to meet organizational needs.
• Monitor, analyze, and optimize system performance and resource use.

Skills

Windows Server

UNIX/Linux

DoD 8140 certs

Vendor management

Education

Bachelor’s or Master’s degree

Job description

Cayuse Holdings seeks a Senior Systems Administrator to oversee Windows and UNIX-based environments, optimize performance, and troubleshoot complex issues across mainframes, client/server setups, and enterprise systems.

You will lead system improvement initiatives, collaborate with vendors, and document configurations and testing activities to ensure reliability and security across multiple projects.