Senior Network Engineer (AWS)

Salary: Up to £80,000 (depending on experience) THIS IS A PERMANENT OPPORTUNTIY

We are currently supporting a global financial organisation seeking an experienced Senior Network Engineer (AWS) to initially play a key role in the migration of critical applications from a Cisco-based on‑premise environment to AWS. This role focuses on designing, implementing, and optimizing cloud networking solutions to ensure a seamless transition with minimal downtime.

Key Responsibilities

• Plan and execute migration of network infrastructure from on‑prem Cisco environments to AWS
• Design and document AWS network architecture (VPCs, routing, segmentation, security groups)
• Map existing Cisco configurations to AWS services (VPC, Transit Gateway, Direct Connect, NACLs)
• Configure and optimize AWS networking components (subnets, route tables, load balancers)
• Implement network security best practices (encryption, firewalls, DDoS protection)
• Troubleshoot issues, optimize performance, and ensure post‑migration stability
• Produce technical documentation and runbooks

Requirements

• 6+ years’ experience with Cisco/Juniper networking
• Strong routing & switching experience
• Solid experience with BGP, OSPF, STP, IPsec, and WAN technologies (e.g. MPLS)
• Hands‑on experience with Cisco (ASA, Nexus) and Juniper (SRX, EX) devices
• Strong troubleshooting and packet analysis skills
• Experience with AWS networking
• Familiarity with Terraform and infrastructure automation tools

#J-18808-Ljbffr…