Excellent opportunity for an AWS Platform Engineer to join our Cloud Infrastructure & Security services practice. Cognizant Infrastructure Services delivers IT infrastructure and cloud services across industry verticals, covering consulting, managed services, enterprise computing, cloud, security, DevOps, data centres, end‑user computing, service desk, network, and environment management.
Candidates should be SC Cleared or SC eligible.
Key Responsibilities
* Implement and manage AWS VPC components, including subnets, route tables, and gateway (IGW, NAT).
* Apply and configure security controls such as Network ACLs, Security Groups, and PrivateLink.
* Work with AWS Transit Gateway, Direct Connect, and WAFv2 to manage secure and scalable network architecture.
* Automate network configurations using CloudFormation.
* Support AWS Control Tower modernisation.
* Monitor and troubleshoot network issues using CloudWatch and Datadog.
* Configure load balancers (ALB, NLB) and DNS management with Route 53.
* Implement and manage AWS Firewall Manager and Network Firewall.
* Manage cross‑region and cross‑account network setups for scalability and security.
* Ensure proper IAM user and permission management.
* Collaborate with DevOps teams for CI/CD pipeline integrations related to networking.
Key Skills and Experience
* Deep knowledge of AWS networking services such as VPC Endpoints, Elastic IPs, ENI, and hybrid cloud networking (VPN, BGP, peering).
* Proficiency in automation using CloudFormation and scripting with Shell/Python.
* Very good experience in AWS Control Tower modernisation.
* Strong understanding of AWS services including EC2, ELB, ECS, S3, Config, CloudTrail, EFS, and Lambda.
* Expertise in cost optimisation of AWS networking resources.
* SC eligibility for compliance and secure operations.
Nice to Have
* Experience with Terraform for network configuration automation.
* Knowledge of GitHub and GitHub Actions for version control and CI/CD processes.
* Familiarity with creating and maintaining documentation and knowledge base articles.
* Collaboration skills for optimising network setups in hybrid cloud environments.
* Understanding of AWS Control Tower for multi‑account governance.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Industries
IT Services and IT Consulting
Location
London, England, United Kingdom
Location
London, England, United Kingdom
Compensation
£70,000.00-£100,000.00 per annum (depending on experience)
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