AWS Senior Network Engineer (Contractor)

Are you a cloud infrastructure expert ready for your next challenge? Join our team as a Senior AWS Network Engineer and help implement secure, scalable and simplified AWS network environments. You will join a 6-month transformation initiative focused on simplifying an AWS network environment, improving security, maintainability and scalability. The project involves designing a streamlined architecture with a reduced number of subnets and controlled connectivity, followed by a phased migration of services. 

Scope of Services: 

• Configure and implement AWS network components, including VPCs, subnets, routing and security groups, based on the architecture defined by the Solution Architect 

• Support the phased migration of services to the new network structure, ensuring connectivity, stability and minimal disruption 

• Analyze, refactor and optimize existing network configurations to reduce complexity and improve security posture 

• Validate network changes through connectivity testing, traffic verification and troubleshooting across services and environments 

• Maintain accurate network documentation and diagrams to support migration, troubleshooting and handover activities

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Services Experience:

• 5+ years of professional experience in Network Engineering or a similar networking-focused infrastructure role 

• Strong experience with AWS networking components - AWS Certified Advanced Networking is a plus 

• Hands-on experience configuring and troubleshooting distributed cloud network environments 

• Experience working with legacy network setups and supporting transformation initiatives 

• Good understanding of network security principles and access control 

• Experience supporting service migrations between environments 

• Basic understanding of Infrastructure as Code, especially Terraform, and its role in network provisioning 

• Experience working with CI/CD environments such as Jenkins or Concourse 

• Familiarity with container-based and serverless environments, such as ECS and Lambda 

• Strong English communication skills 

About you: 

• Hands-on engineer with a strong focus on implementation and problem solving 

• Comfortable working in complex, evolving migration environments and able to bring clarity and structure to your work 

• Detail-oriented, with a strong troubleshooting mindset 

• Proactive in identifying issues and suggesting practical simplifications 

• Reliable and delivery-focused when working through technical change