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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator III - **Company:** Lake Michigan Credit Union - **Location:** Grand Rapids, MI, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Wireless LAN, Active Directory, Software Applications, Border Gateway Protocol, VoIP, Cisco Hardwares, Computer Networks, Ethernet, Microsoft Exchange Server, Data-Flow Analysis, Intrusion Detection Systems, Virtual Private Networks (VPN), Local Area Networks, Network Security, Windows Servers, Network Address, Network Control, Networking Cables, Network Monitoring, Routing, Remote Access Technology, Server Virtualization, Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Wireless Networks, Network Routers, Scripting, Transport Layer Security, Load Balancing, Cisco Voip, Firewalls (Computer Science), Deployment Automation, Cisco Switches, Cisco - **Published:** May 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=feb18ae3c3ca33da ## About the Role Do you have experience in Wireless networking?, * Five or more years of similar or related experience, including preparatory experience. * Experience with the following is highly preferred: * Vendor (Cisco, F5), Layer 2 and 3, BGP, load balancing traffic and engineering for automatic failover, multiple methods for equal-cost load balancing, routing policy to manipulate BGP attributes, and flow analysis. * Microsoft Windows Server, MS Exchange, and Active Directory/GPO operations including hardening strategies and techniques. * Firewalls, VPN,SSL remote access, LAN/WLAN configuration and maintenance. * Writing and using scripting tools for automated deployment of system changes and software applications. * Organizing and/or managing projects and producing documentation for all staff levels including non-technical staff. ## Description LMCU is looking for a Network Administrator III who will be responsible for the maintenance, troubleshooting, and administration of the organization's production voice, video, and data network infrastructure. This includes LAN, WAN, VLAN, WLAN, wireless bridging, VoIP, QoS, firewall, telephony systems, telecommunications, DR connectivity, and network security systems. The individual in this position will work closely with members of the IT staff to ensure very high levels of network availability, security and efficiency with 99.9% uptime for LMCU systems. What You'll Do: * Installs, configures, and maintains LANs and WANs, physical and virtual servers, UPS, network cabling, and Ethernet networks allowing for optimal operation * Performs network address assignment * Performs Cisco hardware upgrades and maintenance * Configures Cisco switches, routers, firewalls, and access points * Assigns routing protocols and routing table configuration * Designs WAN and LAN infrastructure layouts * Designs and configures network security (perimeter and edge firewalls) * Assists in developing system strategies and policies * Monitors and maintains firewalls and intrusion detection systems * Manage Cisco VoIP phone system * Designs and implements IP telephony solutions * Performs as backup and high-level resource for Desktop Support Technicians * Implements network and infrastructure related projects * Assist with on-call for network outages * Configures and manages network monitoring tools * Addresses end-user help requests as necessary through ticketing systems * Trouble-shoots higher-level errors and issues ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)