Systems & Network Administrator

Benefits:

• Donation matching

Systems & Network Administrator

Location: On-site - Kenosha, WI

Work authorization : US Citizen

Schedule: On-site during business hours; remote/on-call after hours

Support Model: Required 24/7/365 participation

Clearance: Must meet FBI CJIS Security Policy requirements

Role Summary

• Maintains the server, network, and security infrastructure supporting

mission-critical and standard systems.

Key Responsibilities

• Provide on-site system and network support during business hours and

remote/on-call support after hours.

• Support infrastructure for mission-critical systems including CAD, LERMS, Jail,

Mobile, and TIME System.

• Support infrastructure for standard systems including ERP, Office 365,

scheduling, evidence, fleet, and others.

• Perform workstation setup, OS installation, patching, antivirus, and break/fix.
• Administer Microsoft and Linux servers, updates, permissions, and security.
• Provide 24×7 network monitoring, firewall management, VPN, antivirus, and

connectivity.

• Support backup and recovery operations.
• Support network-dependent system interfaces.
• Assist with annual inventory and lifecycle management.
• Support helpdesk escalations and ticket resolution.
• Implement cybersecurity controls, MFA, and CJIS compliance.
• Respond to Priority 1 and Priority 2 incidents within required timeframes.
• Required Skills
• Server and network administration
• Firewall, VPN, routing, switching
• Cybersecurity tools and monitoring
• Experience in 24/7 environments

Required Qualifications

• 3–5 years of experience in systems and network administration.
• Strong knowledge of firewalls, VPNs, routing, switching, and cybersecurity

tools.

• Experience with Microsoft Server, Linux, and virtualization platforms.
• Ability to support 24/7 environments and respond to Priority 1/2 incidents.

Preferred Qualifications

• Experience supporting public safety systems (CAD, 911, LERMS).
• Familiarity with CJIS Security Policy.