Engineer, Systems Administration

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.

Essential Duties & Responsibilities

• 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.
• Configuring, supporting and troubleshooting enterprise server hardware, virtual hypervisors and virtual machines (VMware, HyperV, etc.).
• Managing Microsoft Active Directory users, groups, and GPO policies.
• Maintaining detailed documentation of system configurations, processes, and standard operating procedures (SOPs).

Knowledge & Skills

Wireless Network Controllers:

• 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

Cisco ISE Server

• 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.