Network Engineer III

REJIS Commission • St. Louis, MO

4d

About The Position

REJIS is seeking a Network Engineer III to provide advanced technical expertise and leadership in supporting its WAN/LAN environment and the critical services used by law enforcement and public-sector partners. This senior technical role leads major network projects, resolves complex infrastructure issues, and supports the design, installation, and maintenance of enterprise network systems. Technologies include firewalls, routers, load balancers, VPN solutions, VLANs, and voice systems. The engineer serves as a technical resource for REJIS staff and clients, mentors team members, coordinates with vendors and internal teams, and helps maintain reliable and secure network systems. The position may involve travel between REJIS and client locations and occasional work outside normal business hours. It is an hourly role eligible for overtime. The minimum salary starts at $33.82 per hour, with potential additional compensation based on experience, skills, certifications, and education.

Requirements

• Associate degree or equivalent from a two-year college or technical school, plus five to ten years of related experience and/or training, or an equivalent combination of education and experience.
• Working knowledge of DNS and DHCP.
• Experience supporting network infrastructure and resolving complex technical issues.
• Ability to provide technical guidance to team members and collaborate across departments.
• Strong communication, documentation, organization, and problem-solving skills.
• Ability to manage multiple projects and priorities simultaneously.
• Proficiency with common business and computer applications.
• Valid driver's license and legally required vehicle insurance.
• Ability to travel between REJIS and client locations as needed.
• Ability to install and support equipment, work in data centers and other technical spaces, use ladders, and lift or carry equipment weighing up to 50–75 pounds.
• Availability for occasional work outside normal business hours may be required.

Nice To Haves

• Specialized certifications such as CCNA, A+, Network+, Security+, or Microsoft certifications are valued.

Responsibilities

• Plan, coordinate, and implement major network installations, upgrades, and system changes at REJIS and client locations.
• Provide advanced second- and third-level support for WAN/LAN infrastructure issues and coordinate with vendors to resolve difficult problems.
• Install, configure, maintain, and support firewalls, routers, load balancers, VPN solutions, VLANs, routing, access permissions, and telephone systems.
• Monitor and evaluate complex network systems, identify potential issues, and recommend improvements based on current technology.
• Share technical knowledge, guide other WAN/LAN staff, and promote operational best practices.
• Serve as a technical liaison with REJIS employees and clients to address requests and issues effectively.
• Assist with network design, documentation, wiring standards, equipment planning, vendor coordination, and budget activities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree