Network Engineer (3)

TEKsystems•Menasha, WI

5d•$25 - $55•Hybrid

About The Position

The Network Engineer III is a senior-level technical expert responsible for the architecture, implementation, optimization, and support of enterprise network infrastructure across a complex, multi-site environment. This role requires advanced expertise in routing, switching, network security, cloud networking, and infrastructure automation. The ideal candidate is a proactive problem-solver who thrives in fast-paced environments, demonstrates strong technical leadership, and remains current with emerging technologies and industry best practices.

Requirements

7+ years of progressive experience in network engineering within enterprise environments.
Deep expertise in Cisco routing and switching technologies.
Strong experience with enterprise firewall administration and network security best practices.
Hands-on experience designing and supporting cloud networking solutions in Microsoft Azure; AWS experience is a plus.
Strong troubleshooting skills across LAN, WAN, WLAN, SD-WAN, VPN, and hybrid-cloud environments.
Experience with network automation, scripting, and Infrastructure as Code tools.
Proven ability to lead technical initiatives and manage complex infrastructure projects.
Excellent communication, collaboration, and documentation skills.

Nice To Haves

Cisco certifications (CCNP, CCIE) or equivalent networking certifications.
Experience with Azure networking services including ExpressRoute, Virtual WAN, Load Balancers, and Network Security Groups.
Familiarity with SD-WAN technologies and network monitoring platforms.
Experience with automation tools such as Ansible, Terraform, or PowerShell.

Responsibilities

Design, implement, maintain, and troubleshoot enterprise network infrastructure supporting critical business operations.
Engineer and support complex Cisco routing and switching environments, ensuring high availability, scalability, and performance.
Administer, configure, and optimize next-generation firewalls, VPNs, and network security policies.
Design, deploy, and support networking solutions within cloud platforms, with a primary focus on Microsoft Azure and exposure to AWS.
Lead infrastructure modernization initiatives through automation and Infrastructure as Code (IaC) practices.
Collaborate with network engineers, systems engineers, architects, and operational teams to deliver strategic technology projects.
Serve as the highest level of escalation for complex network incidents, outages, and performance issues.
Provide technical leadership, mentorship, and knowledge transfer to junior engineers and support staff.
Drive network performance, reliability, security, and business continuity improvements.
Participate in project planning, architecture reviews, capacity planning, and technology roadmaps.
Create and maintain comprehensive technical documentation, network diagrams, standards, and operational procedures.