Crossfire Consulting · 13 hours ago
Cybersecurity Systems Administrator
Warrenville, IL
Full-time
Onsite
Mid Level
3+ years expCrossfire Consulting is a leader in nuclear clean energy, supporting the secure operation of plant data networks and next-generation monitoring systems. The Nuclear Cybersecurity Systems Administrator will play a key role in building, configuring, and testing secure IT infrastructure in a highly regulated environment.
ConsultingSoftwareHuman ResourcesInformation TechnologyStaffing Agency
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
Qualification
Required
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
Experience with SIEM platforms (e.g., Splunk)
Familiarity with firewall configuration and network security tools
Experience in regulated environments such as energy or utilities
Company
Crossfire Consulting
Crossfire Consulting is an IT company that provides IT staffing and software development services.
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase