Primary & Mandatory Skill: AWS Cloud, EKS, Terraform, Gitlab CI/CD, Scripting
Level: SA
Client Round (Yes/ No): Yes
Location Constraint if any : Chennai / Bangalore
Shift timing: 1:30pm to 11:30pm IST
JD:
Primary Responsibilities
- Design, deploy, and maintain AWS infrastructure using Terraform (modules, state management, CI/CD-driven applies)
- Manage EKS clusters - upgrades, node group configuration, autoscaling, add-ons, and IRSA
- Build and maintain VPC architectures - subnets, route tables, transit gateway attachments, security groups, NACLs
- Troubleshoot production infrastructure issues across networking, compute, and container orchestration layers
- Write clean, reusable Terraform modules following DRY principles
- Participate in infrastructure code reviews and maintain documentation
Required Experience
- 3+ years managing AWS infrastructure in production (EC2, EKS, VPC, IAM, S3, Route53, ALB/NLB)
- 3+ years writing Terraform - modules, workspaces/state isolation, remote backends, provider configuration
- Strong EKS experience - cluster lifecycle, networking (VPC-CNI, Calico), ingress controllers, Helm chart deployments, RBAC
- AWS networking depth - multi-account VPC design, transit gateway, VPC peering, DNS resolution, flow logs, troubleshooting connectivity
- IAM fluency - roles, policies, trust relationships, service-linked roles, cross-account access
- Comfortable working in a Kanban-style team with minimal ceremony
Nice to Have
- Go development - writing CLI tools, automation, or custom controllers
- GitLab CI/CD - pipeline authoring, managing self-hosted GitLab Runners (autoscaling, Docker executors)
- Experience with Kafka, Apache Pinot, or data platform infrastructure
- Familiarity with cost optimization (reserved instances, savings plans, right-sizing)
What You'll Work With
- Terraform (our IaC standard)
- AWS (multi-account, multi-region)
- EKS / Kubernetes
- GitLab (source control + CI/CD)
- Go (team's primary language)
About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.
