Josh Haberman

Senior Network Engineer

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Professional Summary

Senior Network Engineer with 15+ years of enterprise networking experience across manufacturing, financial services, utilities, and managed services. Led NAC and 802.1X deployments spanning 1,200+ global sites, and ClearPass migrations supporting RADIUS, TACACS+, and NAC at enterprise scale. Deep expertise in Aruba and Cisco routing, switching, and large-scale campus wireless (Aruba Mobility Conductor, 1,600+ APs); network access control (Aruba ClearPass, Forescout); and network monitoring (SolarWinds Orion). U.S. Army veteran with 13 years of service, including a deployment to Afghanistan.

Core Skills

Network Access Control / Security
Aruba ClearPass, Forescout NAC, 802.1X (EAP-TLS), RADIUS, TACACS+, Cisco ASA (FirePower/Threat Defense), Fortinet FortiGate, Zscaler ZIA/ZPA
Routing & Switching
Cisco Catalyst, Cisco Nexus NX-OS, Cisco branch/edge routers, Cisco Meraki, Juniper EX
Wireless
Aruba Mobility Conductor / 7200-series controllers (AOS 8), Aruba Instant APs, Aruba Central, Aruba UXI, Cisco Aironet, Cisco Meraki, Ekahau Sidekick 2 site surveys
SD-WAN
Cisco Meraki SD-WAN, Silver Peak / Aruba EdgeConnect
Monitoring & Network Services
SolarWinds Orion (NPM, NTA, NCM, IPAM, UDT, SAM, WPM), Progress WhatsUp Gold, NetFlow analytics, Wireshark, Infoblox (DHCP/DNS/IPAM)
Cloud & Voice
AWS, Google Workspace, Cisco Unified Communications Manager, Mitel, Genesys Cloud
Automation & ITSM
Python, Ansible, ServiceNow, Azure DevOps, Zendesk, ITIL framework

Professional Experience

Senior Network Engineer (Contract)

February 2026 – Present

Northwestern Mutual, Milwaukee, WI — Fortune 100 financial services company

  • Migrated Aruba ClearPass from 6.10 to 6.11 across multiple clusters providing RADIUS, TACACS+, and NAC services for the enterprise.
  • Managed an Aruba Mobility Conductor pair overseeing 9 7200-series controllers across 3 corporate campuses with 1,600+ access points running AOS 8.13.
  • Extended existing WPA2 Enterprise and open portal-based SSIDs to the 6 GHz (Wi-Fi 6E) band, deploying WPA3 and OWE transition modes.
  • Managed field location access points through Aruba Central, and DHCP, DNS, and IP addressing for all locations using Infoblox.

Senior Network Engineer (Contract)

March 2024 – December 2025

Johnson Controls International, Milwaukee, WI — International HVAC and building control systems manufacturer

  • Deployed the company’s new Forescout Network Access Control (NAC) solution enterprise-wide.
  • Designed, tested, and deployed guest/employee Central Web Access (CWA) wireless across 1,200+ sites in North and South America, Europe, the Middle East, Africa, Asia, and the Pacific.
  • Designed, tested, and deployed an EAP-TLS RADIUS-secured employee wireless network across all sites.
  • Designed, tested, and deployed wired 802.1X port authentication across all sites.
  • Led a team of up to 4 network engineers to coordinate and verify site migrations.

Network Engineer II

March 2023 – March 2024

Guide Star, Iron Mountain, MI — IT managed services provider

  • Resolved critical outages and escalations across customer networks as part of the network team and on-call rotation.
  • Surveyed existing wired and wireless networks at customer sites using Ekahau Sidekick 2 and produced upgrade and improvement proposals.
  • Designed and deployed networks for new customer construction projects.

Network Engineer

June 2022 – March 2023

Milwaukee Tool, Brookfield, WI — International power and hand tool manufacturer

  • Streamlined and optimized SolarWinds Orion monitoring and alerting with the network run team.
  • Assisted the rollout of Aruba ClearPass for 802.1X wired/wireless authentication and TACACS.
  • Designed, configured, and installed networks at remote locations throughout Wisconsin; participated in the on-call rotation.

Network Analyst II

November 2020 – June 2022

Generac Power Systems, Waukesha, WI — 9,000+ employee generator and electrical systems manufacturer

  • Served as the wireless subject matter expert for the enterprise.
  • Assisted the rollout of Aruba ClearPass for 802.1X wired/wireless authentication and TACACS.
  • Configured and maintained network monitoring in WhatsUp Gold; troubleshot complex multi-layer network issues.

Network Engineer

October 2019 – November 2020

Komatsu Mining Corporation, Milwaukee, WI — 5,000+ employee heavy equipment manufacturer, 500+ locations worldwide

  • Administered Komatsu’s SolarWinds Orion environment.
  • Designed, configured, and installed networks at remote locations throughout the United States and Canada, working on a fully remote team spanning four countries.

Network Engineer

April 2015 – October 2019

Veolia North America, Milwaukee, WI — Fortune 500 international utilities company, 300+ North American locations

  • Sole administrator of Veolia’s SolarWinds Orion monitoring environment.
  • Managed and maintained 400+ enterprise wireless access points across remote locations.
  • Designed, configured, and installed networks at remote sites across the U.S. and Canada, including multi-homed WAN connections and data center network devices.
  • Provided 24x7 on-call network support as part of a weekly rotation and resolved escalated network issues.

IT Support Center Technician

September 2010 – April 2015

Veolia North America, Milwaukee, WI

  • Configured and deployed switches and routers to remote locations with the network team.
  • Led a team of 5 help desk representatives through a staged, company-wide Google Workspace (G Suite) rollout, creating and maintaining all rollout documentation.
  • Supported Tier 1–2 issues at 100–250 calls per day, averaging a 95% satisfaction rating from external quality reviews.

Earlier career: Deployment Lead Technician, CompuCom (2010) — led a 10-technician team refreshing US Bank branch networks nationwide. Network Technician, WaterStone Bank (2006–2010) — managed Cisco switching, routing, IP telephony, Active Directory, and end-user support for a 300+ employee retail bank.

Military Service

Forward Signal Support NCO — Wisconsin Army National Guard

August 2008 – August 2021

32nd IBCT, 1st Squadron, 105th Cavalry, Milwaukee, WI

  • Deployed to Afghanistan in support of Operation Enduring Freedom / Operation Enduring Presence (April 2014 – February 2015).
  • Deployed the brigade’s field network: Cisco switching and routing on unclassified and encrypted Secret networks, Cisco Call Manager/Unity VoIP, satellite WAN, and Windows Server 2008 domains.
  • Trained and led junior members of the signal section; held a Secret security clearance.

Education & Certifications