Network Infrastructure Specialist

6 days ago


Grand Rapids, Michigan, United States Lake Michigan Credit Union Full time
About This Job

We're seeking a highly skilled Network Administrator III to join our team at Lake Michigan Credit Union. As a key member of our IT staff, you'll be responsible for maintaining, troubleshooting, and administering our production voice, video, and data network infrastructure.

Key Responsibilities
  • Install, configure, and maintain LANs and WANs, physical and virtual servers, UPS, network cabling, and Ethernet networks for optimal operation.
  • Perform network address assignment, Cisco hardware upgrades, and maintenance.
  • Configure Cisco switches, routers, firewalls, and access points.
  • Assign routing protocols and routing table configuration.
  • Design WAN and LAN infrastructure layouts.
  • Design and configure network security (perimeter and edge firewalls).
  • Assist in developing system strategies and policies.
  • Monitor and maintain firewalls and intrusion detection systems.
  • Manage Cisco VoIP phone system.
  • Design and implement IP telephony solutions.
  • Perform as backup and high-level resource for Desktop Support Technicians.
  • Implement network and infrastructure-related projects.
  • Assist with on-call for network outages.
  • Configure and manage network monitoring tools.
  • Address end-user help requests as necessary through ticketing systems.
  • Troubleshoot higher-level errors and issues.

As a Network Administrator III, you'll be working closely with our IT staff to ensure high levels of network availability, security, and efficiency with 99.9% uptime for LMCU systems.

What You'll Bring
  • Five or more years of similar or related experience, including preparatory experience.
  • Experience with Cisco, 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.

We're proud to offer a comprehensive benefits package, including competitive salaries, comprehensive health and wellness programs, and opportunities for growth and advancement.



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