Senior Cloud Network Engineer (Contract)

RWS Group is seeking an experienced Senior Cloud Network Engineer to lead a critical on-premises to cloud migration project from a networking perspective. The role involves end-to-end delivery, including architecture and design of scalable network solutions, migration planning, and hands-on implementation to ensure high availability and robust performance during the transition to cloud-native networking.

Responsibilities:

• Lead the design and architecture of AWS network solutions
• Produce/contribute to detailed documentation such as HLD/LLD, migration and runbooks
• Plan and execute on-premises to AWS migration strategies
• Define and implement network security controls using best practice and AWS components
• Collaborate with other teams to ensure networking supports workload performance, scalability, and resilience
• Troubleshoot complex hybrid network issues, including routing, latency, and connectivity challenges
• Implement Infrastructure as Code (Terraform) to automate AWS network provisioning and ensure consistency
• Ensure compliance with governance, security, and operational best practices across all AWS network deployments
• Conduct testing, validation, and optimisation of network performance post-migration

Requirements:

• Extensive experience in designing and implementing Enterprise Scale AWS networking with components such as TGW/IGW/NGW, VPCs, multi account with hub and spoke architecture, FWs/SGs/NACLs etc
• Strong hands-on experience with Site-to-Site VPN, AWS Direct Connect, DIAs etc
• Demonstrated experience migrating workloads from on-premises to AWS
• Strong proficiency in Terraform, including: Writing modular, reusable Terraform code for AWS network infrastructure, Structuring Terraform for multi-environment and multi-account deployments, Integrating Terraform into CI/CD pipelines, Including version control, code reviews, and automated deployments
• Strong troubleshooting skills across hybrid environments, including deep packet flow analysis and performance optimisation
• Understanding of high availability, resilience, and disaster recovery patterns within AWS networking
• Experience with monitoring and observability tools such as VPC Flow Logs, CloudWatch, and CloudTrail
• Scripting/automation skills (e.g. Python, Bash) to support operational tasks and integration
• Good understanding of other CSPs such as Azure and/or Google
• Some experience with Catalyst/Nexus and/or Meraki MX platforms would be beneficial