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Administrator III - IT Infrastructure

Invenergy

$85,000 - $115,000
Aug 28, 2025
Chicago, IL, USA • Denver, CO, USA
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Invenergy is seeking to solve energy challenges facing customers and communities by designing, implementing, and supporting enterprise network infrastructure to ensure reliability, security, and NERC CIP compliance.

Requirements

  • Proficiency configuring and troubleshooting Cisco routers, switches.
  • Demonstrate working knowledge of layer 2 / 3 network designs.
  • Experience implementing and managing wireless access points or industry equivalent (i.e. Cisco, Aruba controllers, APs).
  • Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP).
  • Palo Alto Networks Certified Network Security Engineer (PCNSE).
  • Aruba Certified Mobility Associate (ACMA) or Aruba Certified ClearPass Professional (ACCP).
  • Scripting skills (Python, Ansible, etc.) for network automation.

Responsibilities

  • Design, configure, and maintain enterprise LAN/WAN networks using Cisco routers, switches, and wireless solutions.
  • Deploy, manage, and troubleshoot Palo Alto Networks firewalls, VPNs, and security policies.
  • Implement, and support Aruba wireless access, including controllers, access points, and network access control ClearPass policy management.
  • Monitor network health and performance; identify bottlenecks and implement optimizations.
  • Ensure network compliance with NERC CIP requirements through documentation, audits, and control implementations.
  • Develop and maintain network diagrams, runbooks, and standard operating procedures.
  • Participate in a 24×7 on-call rotation to provide critical support.

Other

  • Bachelor’s degree in Computer Science and Information Technology.
  • 3+ years of network engineering experience in an enterprise environment.
  • Excellent verbal and written communication skills.
  • Some travel required.
  • Eligible to work in the United States without the need for employer visa sponsorship now or in the future.