Network Engineer 5

Cullerton Group; East Peoria (IL); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

Health insurance

401k

Holiday pay

Dental insurance

Vision insurance

Job summary

A technology services provider in East Peoria seeks a senior Network Engineer to support LAN operations across multiple locations. This full-time, onsite role involves troubleshooting, improving LAN environments, and collaborating with IT teams on infrastructure changes. Candidates should have 5-7 years of network engineering experience, preferably in Cisco environments. The position includes competitive pay of up to $68.38/hr, with full benefits, offering career growth and complex networking challenges.

Qualifications

• 5-7 years of progressively responsible experience in network engineering.
• Strong knowledge of TCP/IP, ethernet, QoS, subnetting, VLANs.
• Ability to work independently and collaboratively.

Responsibilities

• Diagnose, troubleshoot, and resolve LAN issues.
• Provide LAN development and operational support.
• Plan and execute infrastructure changes.

Skills

LAN implementation and support

Communication skills

Problem-solving skills

Cisco switching environments

Education

Bachelor’s degree in computer-related or engineering-related field

Job description

Cullerton Group has a new opportunity for a Network Engineer 5. The work will be done onsite full-time in East Peoria, IL, Monday through Friday on 1st shift. This is a long-term 12-month position that can lead to permanent employment with our client. Compensation is up to $68.38/hr + full benefits (vision, dental, health insurance, 401k, and holiday pay).

Job Summary

Cullerton Group is seeking a senior-level Network Engineer to support LAN operations and network infrastructure across multiple enterprise locations in the Americas. This role focuses on diagnosing, troubleshooting, and improving LAN environments while collaborating with cross-functional IT teams and business partners. The engineer will play a key role in supporting critical network services, executing infrastructure changes, and driving process improvements. This position is ideal for a hands-on network professional who thrives in complex, on-site enterprise environments.

Key Responsibilities

• Diagnose, troubleshoot, and resolve LAN issues, including replacement of defective network components
• Provide LAN development and operational support for enterprise locations
• Participate in an on-call rotation to support critical incidents, including occasional off-shift or weekend work
• Collaborate with business partners and vendors on infrastructure integration activities
• Design and implement network process improvements to support scalability and reliability
• Follow ITSM processes and documentation standards for all network changes
• Work with cross-functional technical teams (firewall, VPN, wireless, NAC) to plan and execute changes
• Advise business partners on LAN-related technical questions and solutions

Required Qualifications

• Bachelor’s degree in a computer-related or engineering-related field, or equivalent experience
• 5–7 years of progressively responsible experience in network engineering or LAN support
• Strong knowledge of LAN implementation and support, including TCP/IP, ethernet, QoS, subnetting, VLANs, trunking, OSPF, and cabling (copper and fiber)
• Hands-on experience supporting and configuring Cisco switching environments
• Solid understanding of network risk domains and tiered architectures
• Ability to work independently and collaboratively in a team environment
• Strong communication and problem-solving skills

Preferred Qualifications

• Experience with network automation or scripting
• Familiarity with DNA Center / Catalyst Center
• Background supporting medium to large enterprise environments

Why This Role?

This role offers the opportunity to work on complex enterprise network environments while collaborating with experienced infrastructure teams. You will support mission-critical systems, gain exposure to a wide range of network technologies, and contribute to continuous improvement initiatives. Cullerton Group provides a professional environment with strong growth potential, challenging technical work, and long-term career opportunities.