Senior Network Engineer

01 - Salary w/Benefits Professional Redmond, WA, US

Salary Range: $ To $ Annually

U.S.

-based employees have access to medical, dental, and vision insurance, a 401(k) plan and company contribution, short-term and long-term disability coverage, basic life insurance, and wellbeing benefits, among others. U.S.

-based employees also receive, per calendar year, up to 6 scheduled paid holidays. Additionally, eligible hourly/non-exempt and exempt employees accrue up to 112 hours of PTO based on years of service and may annually take up to 8 hours of paid volunteer time. Additional paid sick leave is also provided if required by state or local law.

The Senior Network Engineer is responsible for the architecture, design, engineering, and operational support of Denali's enterprise network, which is primarily Cisco-based with Ubiquiti Uni Fi deployments at select remote sites. This role provides expert-level routing, switching, wireless, and network security support (including Cisco ISE, Cisco Umbrella, and Cisco Firepower Threat Defense), and also maintains and supports network infrastructure associated with customer equipment that Denali hosts on-premise on behalf of its customers.

The Senior Network Engineer participates in planning, installation, maintenance, management, and coordination of all network services, and serves as a senior technical escalation point for complex network issues, including Wi-Fi troubleshooting and remediation.

• Provide expert-level network design and daily operational support for Denali's enterprise-wide Cisco network infrastructure, including sites with Ubiquiti Uni Fi 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
• Ensures Accountability
• Tech Savvy
• Communicates Effectively
• Values Differences
• Customer Focus
• Drives Results
• Plans and Prioritizes
• Decision Quality
• Self-Development

This position is based in a professional office setting and regularly utilizes workplace technology, including computers, smartphones, multifunction printers, cloud‑based filing systems, and collaboration tools.

This role requires physical capabilities that support the successful execution of key responsibilities. The…