Cybersecurity Systems Administrator

The position is for a Nuclear Cybersecurity Systems Administrator. Our client is a leader in nuclear clean energy, supporting the secure operation of plant data networks and next-generation monitoring systems. This Nuclear Cybersecurity Systems Administrator will play a key role in building, configuring, and testing secure IT infrastructure in a highly regulated environment.

Contract Length: 6 months, with possible extension
Location: Warrenville, IL
Work Setup: On-site
Shift: Monday–Friday, 8:00 AM–4:30 PM

The Nuclear Cybersecurity Systems Administrator will assist engineers in designing, configuring, and documenting SIEM hardware, network infrastructure, and secure system environments. This role requires eligibility for Critical Group nuclear site access, including successful drug and background screening and periodic site visits (approximately every 20 days).

Nuclear Cybersecurity Systems Administrator Responsibilities

• Install, configure, and upgrade Windows Server environments (2019, 2025, 2026)

• Set up and configure physical and virtual servers (Hyper-V)

• Build and support a small lab environment in Warrenville for SIEM redesign and testing

• Configure IP addressing, gateways, routing, and basic network infrastructure

• Assist in configuring and managing firewalls via GUI

• Perform system backups, recovery procedures, and maintain data integrity

• Test and document SIEM hardware, software, and network configurations

• Support secure plant data networks in compliance with nuclear regulatory standards

Nuclear Cybersecurity Systems Administrator Qualifications

Required Qualifications:

• 3–5 years of experience in systems administration, IT infrastructure, or cybersecurity

• Strong server configuration experience (Windows Server environments)

• Experience setting up virtual machines and working with Hyper-V

• Solid understanding of basic networking (IP addressing, gateways, routing)

• Ability to configure servers, cabling, and network hardware

• Eligibility to obtain and maintain a nuclear badge (pass drug and background checks)

Preferred Qualifications:

• Experience with SIEM platforms (e.g., Splunk)

• Familiarity with firewall configuration and network security tools

• Experience in regulated environments such as energy or utilities

This Nuclear Cybersecurity Systems Administrator role offers hands-on experience in nuclear cybersecurity, supporting mission-critical infrastructure and next-generation secure system design. If you are detail-oriented, technically skilled, and eager to contribute to clean energy security, we encourage you to apply.