Senior Network Engineer

This role at Enphase requires working onsite 3 days a week, with plans to transition back to a full 5 day in office schedule over time.

About the role: 

 As a Senior Network Engineer, you will be responsible for designing, implementing, managing, and maintaining enterprise network infrastructure across global locations. This includes switches, routers, firewalls, wireless access points, SD-WAN, data centres, distribution centres, and co-location facilities.

You will play a key role in ensuring the availability, performance, security, and reliability of critical network services that support business operations. You will work closely with global IT teams, security teams, vendors, and service providers to troubleshoot complex network issues, implement network improvements, and maintain resilient and scalable network infrastructure.

What you will do: 

 Join our dynamic teams designing and developing next-gen energy technologies and help drive a sustainable future!

• Design, configure, implement, and maintain enterprise network infrastructure, including switches, routers, firewalls, wireless access points, and SD-WAN solutions.
• Administer and troubleshoot Palo Alto firewalls, including security policies, NAT, VPNs, IPsec tunnels, and site-to-site connectivity.
• Monitor network performance, identify potential issues, and proactively resolve network outages, latency, packet loss, and connectivity problems.
• Manage and troubleshoot routing and switching technologies, including BGP, OSPF, VLANs, STP, and Layer 2/Layer 3 connectivity.
• Manage network connectivity across data centers, cloud environments, distribution centers, offices, and co-location facilities.
• Troubleshoot site-to-site VPNs, remote connectivity, and IPsec/IKE tunnel issues to ensure secure and reliable communication between locations.
• Coordinate with telecom vendors and service providers for internet circuits, WAN links, circuit provisioning, outages, and service restoration.
• Support network changes, upgrades, migrations, and infrastructure expansion while minimizing business disruption.
• Implement and maintain network security best practices, access controls, firewall rules, and network segmentation.
• Perform root cause analysis (RCA) for network incidents and implement corrective and preventive actions to avoid recurrence.
• Monitor network health using network monitoring, logging, and diagnostic tools, and maintain accurate network documentation.
• Follow established change management, incident management, problem management, and configuration management processes.
• Collaborate with global infrastructure, cloud, security, and application teams to deliver reliable and scalable network solutions.
• Participate in network disaster recovery and failover testing to validate redundancy, resilience, and business continuity.
• Maintain network diagrams, configuration backups, IP address records, inventory, and operational procedures.
• Participate in on-call support and incident response activities to ensure network services remain available 24x7x365.
  

Who you are and what you bring: 

• 4–8 years of hands-on experience in network engineering, administration, and troubleshooting in an enterprise environment. 
• Strong knowledge of networking fundamentals, including TCP/IP, subnetting, VLANs, routing, switching, DNS, DHCP, and NAT. 
• Practical experience with routing protocols such as BGP and OSPF, along with Layer 2 and Layer 3 troubleshooting. 
• Hands-on experience administering Palo Alto firewalls, including security policies, NAT, IPsec VPNs, and troubleshooting. 
• Experience supporting site-to-site VPN connectivity, IKE/IPsec negotiations, tunnel stability, and connectivity issues. 
• Working knowledge of SD-WAN technologies and enterprise WAN connectivity. 
• Experience supporting data center networks, internet connectivity, WAN circuits, and multi-site network infrastructure. 
• Familiarity with cloud networking concepts, preferably AWS networking, including VPCs, route tables, security groups, and hybrid connectivity. 
• Experience with network monitoring, packet capture, log analysis, and troubleshooting tools such as Wireshark, ping, traceroute, dig, and curl. 
• Understanding of network security principles, firewall policies, access control, segmentation, and security best practices. 
• Experience with incident management, change management, root cause analysis, and technical documentation. 
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex network issues independently. 
• Good verbal and written communication skills, with the ability to collaborate effectively with global teams and external service providers. 
• Ability to manage multiple tasks, prioritize critical incidents, take ownership of issues, and drive them through resolution. 
• A proactive approach to network reliability, operational excellence, continuous improvement, and automation. 

Preferred Qualifications 

CCNP Enterprise, PCNSE, or equivalent networking and security certifications. 

Experience with AWS networking and hybrid cloud connectivity. 

Familiarity with network automation and scripting using Python or Ansible. 

Experience with high-availability network designs, redundant connectivity, disaster recovery, and failover testing. 

Experience working in a global enterprise environment supporting business-critical production networks.