Sr. AWS Infrastructure Engineer

4 days ago

Bengaluru, Karnataka, India Wisdom Square Technologies Full time ₹ 12,00,000 - ₹ 24,00,000 per year

Sr. AWS Infrastructure Engineer

As an AWS Infrastructure Engineer, you will be tasked with planning and managing our AWS

infrastructure. Your role will involve configuring, maintaining, and optimizing services, ensuring

high availability, and implementing security best practices.

Location: Bengaluru

Work Timings: 9 am to 6 pm IST

Job Type: Full-time

Key Responsibilities:

Provision/deploy and maintain AWS services:

  • Provision AWS services RDS with Multi-AZ support, set up replica in DR region.
  • Ability to set up new EC2 or Node clusters.
  • Implement S3 bucket policies, lifecycle rules, and cross-region replication; enable ECR
  • image replication.
  • Ability to design and deploy scalable and reliable AWS infrastructure for any new
  • requirements.

Familiarity with provisioning, operating, and maintaining Amazon EKS:

  • Maintain and troubleshoot issues with EKS Node groups, pods, ingress controller.
  • Troubleshoot infra issues specific to EKS.
  • Familiarity with AWS serverless and middleware components:
  • Maintain and troubleshoot issues within API Gateway, Lambda.
  • Maintain and troubleshoot issues in MSK and EventBridge.

Engineer high availability, backup & disaster recovery:

  • Set up Secondary RDS instances with sync replica.
  • Implement pilot-light or warm-standby DR in a secondary region with one-click failover.
  • Setup backups for EKS (Velero), RDS (immutable backups in S3).
  • Automate snapshots and backups where necessary.

IaC using CloudFormation:

  • Automate provisioning of AWS services using CloudFormation.
  • Ability to identify drift and maintain identical configuration across UAT and Production.

Embed security & compliance guardrails:

  • Enforce IAM least-privilege, KMS CMK encryption, Secrets Manager rotation.

Optimize performance, capacity & cost:

  • Translate load-test results into auto-scaling policies, right-size instance/node types, and

tune connection pools and time-outs.

Manage networking & traffic routing:

  • Design CIDR plans, private/public subnets, NAT, Transit Gateway, PrivateLink

endpoints, and cross-account VPC peering.

Collaborate & advocate DevOps best practices:

  • Collaborate with development teams to support application deployment.
  • Assist in enhancing the CI/CD pipeline.
  • Pair with developers on container image hardening and CI workflows; guide Security and
  • Load-Test engineers on environment parity and scaling knobs.
  • Document architecture, create run-books, and conduct knowledge-transfer sessions for
  • support and operations teams.

Skills and Tools

Qualification:

  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • 6+ years' experience with AWS infrastructure management.

Core AWS Services:

  • ALB/NLB/GLB configuration, EC2, CloudFront distributions, S3, ECR, MSK, serverless
  • components like Lambda and API Gateway.
  • RDS Postgres (Multi-AZ, read-replicas, sync replication to Secondary DB), DynamoDB
  • global tables, MSK cluster operations.

Container & Orchestration:

  • Knowledge of setting up and maintaining EKS clusters.
  • Knowledge of EKS control-plane operations, autoscaling.

Networking & Security Baseline:

  • VPC design (multi-AZ, Transit Gateway, PrivateLink, VPC Peering), SG/NACL segmentation.

Infrastructure-as-Code:

  • Deep expertise with CloudFormation; drift-detection and module authoring.

CI/CD & Release Engineering:

  • TeamCity/GitHub Actions pipelines, GitOps (ArgoCD/Flux) for EKS.

Observability Stack:

  • Knowledge of Prometheus, Grafana dashboards, CloudWatch Insights.

Automation & Scripting:

  • Knowledge of scripting using Python, NodeJS.

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