- Provide expert-level network design and daily operational support for Denali's enterprise-wide Cisco network infrastructure, including sites with Ubiquiti UniFi equipment
- Lead architecture and design of routing, switching, wireless, and network security solutions to meet business and operational requirements
- Serve as a senior escalation point for complex network incidents; perform root cause analysis on service-interrupting events and implement measures to prevent recurrence
- Design, configure, deploy, and maintain Cisco ISE for network access control, authentication, and policy enforcement
- Administer and optimize Cisco Umbrella for DNS-layer security and web filtering across the environment
- Administer and support Cisco Firepower Threat Defense (FTD) for network security, threat prevention, and firewall policy management
- Troubleshoot and remediate wireless (Wi-Fi) connectivity, coverage, and performance issues across corporate and remote sites
- Implement and maintain routers, switches, firewalls, and wireless infrastructure across LAN, WAN, and remote-site environments
- Support and maintain network infrastructure associated with customer equipment hosted on-premise at Denali facilities, ensuring segmentation, availability, and security standards are met
- Design, configure, monitor, and optimize local and wide area networks for maximum availability, performance, and security
- Design, configure, and manage network security features, including firewalls, VPNs, and access control, in coordination with the security team
- Develop, maintain, and update a library of network technical documentation, including topology diagrams and standard operating procedures
- Evaluate and recommend new network hardware, software, and technologies for compatibility, scalability, and security
- Partner with cross-functional IT and engineering teams to plan, install, and coordinate network changes, upgrades, and new deployments
- Mentor and provide technical guidance to junior network engineers and IT staff
- Participate in an on-call rotation and provide after-hours support for critical network issues as needed
- Keep current on emerging network technologies, security threats, and industry best practices
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Senior Network Engineer in Redmond employer: Quality Theorem
Quality Theorem offers a dynamic work environment that fosters professional growth and collaboration. Employees benefit from a culture that values innovation and teamwork, providing opportunities for skill development and career advancement. The company is committed to maintaining a supportive atmosphere where employees can thrive.
