Senior Network Engineer

Overview

The Senior Network Engineer will play a critical role in leading the migration of network infrastructure and SonicWall firewalls for a key project. In this hands-on position, you will collaborate closely with various teams to ensure a smooth transition with minimal disruption to business operations. You will be responsible for managing the migration from an existing SonicWall NSa 2700 to a new NSa 2800, emphasizing your expertise in firewall configurations, VPN setups, and network cutovers.

Responsibilities

  • Lead the discovery, design, and delivery of the network migration.
  • Review and document the existing firewall, routing, VLAN, NAT, DHCP, and VPN environment.
  • Configure and migrate an existing SonicWall NSa 2700 to a SonicWall NSa 2800.
  • Configure and validate site-to-site VPN connectivity between offices, Azure, and third-party environments.
  • Migrate and support SSL VPN remote access services for approximately 150-180 users.
  • Build and test the new environment alongside the existing infrastructure.
  • Produce migration plans, testing procedures, and rollback documentation.
  • Provide post-migration support and technical handover.

Requirements

  • Strong hands-on experience with SonicWall firewalls, ideally NSa appliances.
  • Proven experience delivering SonicWall firewall migrations, upgrades, or replacements.
  • Extensive experience configuring and troubleshooting site-to-site VPNs, IPSec VPNs, SSL VPNs/NetExtender.
  • Strong understanding of routing, switching, VLANs, NAT, DHCP, and DNS.
  • Experience connecting on-premise environments into Microsoft Azure.
  • Ability to independently plan, configure, test, and implement network changes.
  • Strong technical documentation and stakeholder communication skills.
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SkillsNetwork Engineering
TechnologiesVPN, Azure, DNS
LocationHampshire
TypeHybrid
PostedNEW