Senior Network Engineer

Senior Network Engineer

Location: Diablo Canyon Power Plant (Onsite required initially, then hybrid)

Overview

We are seeking a Senior Network Engineer to support and maintain critical network and voice infrastructure at Diablo Canyon Power Plant (DCPP). This role requires an engineer who can come onsite, learn a highly regulated environment, and then provide a mix of onsite and remote operational support.

This is a hands-on role supporting mission-critical systems where stability, security, and operational discipline matter more than experimentation. Experience in regulated or high-availability environments is strongly preferred.

Key Responsibilities

Network & Voice Infrastructure Support

• Support and maintain Cisco Unified Communications Manager (CUCM / Call Manager) environments.
• Support and maintain Cisco wireless infrastructure, including:
• Cisco 9800 series Wireless LAN Controllers
• Cisco 8540 legacy controllers
• Support campus and off-site networking infrastructure including:
• Cisco switches and routers
• Voice gateways
• Wireless access points and WiFi bridges

Network Management & Monitoring

• Support and maintain network management platforms:
• Cisco Catalyst Center (DNA Center)
• Cisco Prime Infrastructure (legacy)
• Monitor performance, troubleshoot incidents, and support ongoing optimization of network services.

Security & Firewall Support

• Provide operational support for Palo Alto firewalls.
• Coordinate with corporate security teams on:
• OS upgrades
• Hardware refreshes
• Policy and configuration changes
• Assist cybersecurity teams with log requests, forensic data, and network-level troubleshooting.

Operational Support

• Troubleshoot network issues across campus and remote locations.
• Provide documentation, configuration updates, and operational handoffs as required.
• Participate in maintenance windows, upgrades, and planned outages as needed.

Onsite & Compliance Requirements

• Initial onsite presence at Diablo Canyon Power Plant is required to become familiar with the environment.
• Ongoing role will be a mix of onsite visits and remote support.
• Must be able to obtain Diablo Canyon access credentials, including:
• Approximately one week of onsite training
• Extensive background check
• Psychological evaluation
• Fitness-for-duty drug testing
• Ability to meet all badging and compliance requirements is mandatory.

Required Qualifications

• 7+ years of hands-on network engineering experience in enterprise environments.
• Strong experience with Cisco networking technologies:
• CUCM / Voice infrastructure
• Wireless LAN Controllers
• Switching and routing
• Experience supporting network management platforms (Catalyst Center, Prime, or similar).
• Experience working with Palo Alto firewalls in an operational support capacity.
• Strong troubleshooting skills across LAN, WAN, wireless, and voice.
• Comfortable working in regulated, high-availability, or mission-critical environments.

Preferred Qualifications

• Experience in utilities, energy, nuclear, or other highly regulated industries.
• Palo Alto certifications (PCNSE or similar).
• Cisco certifications (CCNP, CCIE, or equivalent experience).
• Experience working alongside cybersecurity teams and compliance organizations.

What Success Looks Like

• Rapid understanding of the Diablo Canyon network environment.
• Stable, reliable network and voice operations with minimal unplanned outages.
• Strong coordination with corporate IT and cybersecurity teams.
• Trusted onsite presence who understands the sensitivity and importance of the environment.