Network Engineer

Overview

Hybrid Schedule: Onsite 2-3 times per month
We are seeking a highly skilled Network Engineer to join our team in a hybrid capacity. Candidates must reside in Wisconsin or Illinois and be able to be onsite several times per month. This role is open due to backfill needs. The environment recently transitioned from Cisco to Fortinet, so Fortinet experience is strongly preferred. Experience in Routing/Switching, monitoring, break/fix support, and Aruba Wireless is highly valued.

Key Responsibilities

Design, implement, and support secure, scalable network solutions across on-prem and cloud environments, with a primary focus on Fortinet next-generation firewalls and Aruba Wireless.

Provide expertise in Cisco VoIP (SIP), data center switching, and load balancing to ensure high availability and optimal performance.

Utilize modern monitoring tools such as PRTG, Forti Analyzer, and Aruba Central to track performance and proactively address issues.

Apply strong knowledge of regulatory standards (PCI, HIPAA, NIST) to ensure proper network hardening and ongoing compliance.

Support hybrid cloud environments (AWS, Azure) and maintain advanced skills in:

• Switching: Capacity Planning, STP, LACP, VLANs
• Routing: OSPF, EIGRP, BGP
• WAN: MPLS, VPLS, VPN, SD-WAN
• Security: Fortinet Firewalls, IPS/IDS, Zero Trust Tools

Perform in-depth root-cause analysis and resolve complex technical issues in high-pressure situations.

Work independently while collaborating effectively across technical and non-technical teams; produce clear documentation and knowledge sharing.

Participate in occasional off-hours maintenance windows and critical incident response.

Support and enhance SD-WAN environments; familiarity with emerging technologies such as SASE, Wi-Fi 6/6E, Zero Trust, or automation frameworks (Ansible, Terraform, Python) is a plus.

Serve as a Tier 2/3 escalation point for advanced troubleshooting and incident response.

Participate in an on-call rotation to support after-hours incidents and planned maintenance.

Collaborate with vendors, service providers, and internal teams to ensure seamless operations and timely issue resolution.

Skills & Technologies

• Network Engineering
• Fortinet
• Routers & Switches
• Troubleshooting
• CCNA / CCNP (preferred)

Additional Expectations

• Maintain highly available, secure network infrastructures with a focus on automation and best practices.
• Integrate Zero Trust and advanced security principles into existing and new architecture.
• Create and maintain network diagrams, documentation, runbooks, and configuration notes.
• Mentor team members and contribute to a culture of continuous improvement.

Experience Level

Intermediate-Level Network Engineer
Job Type & Location
This is a Contract to Hire position based out of Greendale, WI.
Pay and Benefits
The pay range for this position is $40.00 - $55.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Greendale,WI.
Final date to receive applications
This position is anticipated to close on Mar 10, 2026.
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About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change.

That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal…