Wireless Networking Engineer

ICU Medical Inc.-posted about 2 months ago
Full-time • Mid Level
San Diego, CA
1,001-5,000 employees
Miscellaneous Manufacturing
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This candidate will provide technical support for ICU Medical FDA-approved software and wireless medical devices deployed within customer-controlled networks. Additionally, the candidate will provide internal infrastructure support to the Research and Development (R&D) groups and Service Center teams around the world.

  • Configuring, supporting and troubleshooting enterprise wireless network controllers and access points (Cisco preferred).
  • Deploy new wireless controllers, deploy new SSID's using various encryption and authentication methods on the ISM 2.4, 5.2Ghz and 6GHz radio bands
  • Troubleshoot and isolate client network connectivity issues that might be caused by device misconfiguration, environmental interference, or system misconfigurations
  • Strong wireless understanding around configuring RADIUS servers for client/device profiling and 802.1x authentication to include EAP-PEAP, EAP-TLS, EAP-TTLS and EAP-FAST.
  • Knowledge of the 802.11 standards and identify what channels are available for use and common sources of wireless interference
  • Install, configure and maintain Cisco Catalyst network routers and switches using IPv4 and IPv6 protocols
  • Capture both wired and over-the-air wireless network traffic and analyze said traffic using common network tools such as AirMagnet and WireShark
  • Knowledgeable in network firewalls, site-site VPN tunnels and network access control lists.
  • Able to create x509 keystores and certificates and convert certificates into various formats as needed.
  • Must be at least 18 years of age
  • Bachelor's degree from an accredited college or university is required
  • MSCE, CWNA, CCNA, CCIE or equivalent experience desired
  • 5+ years related experience
  • Experience in 5 or more of the key areas below:
  • Cisco or Aruba Wireless Network Controllers
  • Cisco Identify Services Engine or Aruba ClearPass
  • Enterprise Firewalls (ASA, PAN, or SRX)
  • Site to Site VPN setup and maintenance
  • Cisco Catalyst Network Switches
  • WireShark Packet Analysis
  • Embedded Wireless Network Client support
  • Microsoft Windows Server (2016 and newer)
  • Microsoft SQL Server 2016 and newer
  • Virtual Host Management
  • Support of Wireless Medical Devices
  • Add/remove/modify ESSID's to a Cisco Wireless Network Controller
  • Add/remove/modify AAA authentication to a Wireless Controller
  • Add/remove/modify AP power levels and their assigned channels
  • Complete over-the-air wireless network captures
  • Must know how to add/remove devices into Cisco ISE
  • Must know how to create AAA profiles to aid in network authentication.
  • Must know how to troubleshoot authentication issues when devices are experiencing authentication and authorization issues.
  • Experienced in creating, diagnosing connectivity issues and maintaining site-site VPN tunnels
  • Experienced in patching and upgrading network firewalls - both appliance-based and virtual.
  • Experienced in adding/removing new VLANs and subnets to L3 switches using IPv4 and IPv6
  • Experienced in common network routing protocols
  • Experienced in adding, removing and modifying network ACL's
  • Experienced in installing VMWare ESXi, Hyper-V, or another Hypervisor on new servers
  • Experienced in adding and managing hosts
  • Experienced in deploying and maintaining virtual machines and templates
  • Experienced in building new Microsoft Windows Servers in a virtual environment
  • Experienced in deploying LINUX based OS's in a virtual environment
  • Able to install Microsoft SQL server as needed to support various applications
  • Experienced in creating certificate key files, CA certificates and server certificates for SSL/TLS encryption.
  • Experienced in creating and converting certificates from any given file format to another certificate file format (ex: PKCS#12 to PEM)
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