DevOps Engineer (Kolkata, 6+ yrs)

Job Title: DevOps Engineer

Location: Kolkata, WFO, 5 days Working

Experience : 6+ Years

Responsibilities

Cloud Architecture & Infrastructure (Primary: AWS)

• Design and manage highly scalable, fault-tolerant, and cost-optimized infrastructure on AWS.
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• Architect multi-account, multi-region AWS environments using best practices.
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• Lead cloud migration strategies (on-prem AWS / multi-cloud).
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• Implement hybrid and multi-cloud strategies involving AWS, GCP, and Azure.

Event-Driven Architecture (MANDATORY)

• Design and implement event-driven systems using:

-Apache Kafka

-AWS SNS/SQS

-Google Pub/Sub

• Build and manage asynchronous, loosely coupled microservices architectures.
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• Design message queues, topics, dead-letter queues (DLQs), retry mechanisms, and event schemas.
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• Ensure high throughput, fault tolerance, and message durability.
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• Optimize event streaming pipelines for performance and scalability.
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• Work closely with backend teams to define event contracts and schema evolution strategies.

Infrastructure as Code (IaC)

• Design and enforce IaC standards using Terraform (preferred), CloudFormation, or Pulumi.
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• Build reusable infrastructure modules and enforce governance through code.
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• Manage infrastructure lifecycle, drift detection, and compliance.

CI/CD & DevOps Strategy

• Design and optimize enterprise-grade CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, ArgoCD).
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• Implement GitOps workflows and deployment automation.
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• Standardize release management processes across teams.

Containerization & Orchestration

• Architect and manage Kubernetes clusters (EKS preferred).
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• Implement container strategies using Docker and orchestration tools.
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• Optimize workloads for performance, scalability, and cost.

Observability & Reliability

• Implement monitoring, logging, and distributed tracing across microservices and event pipelines.
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• Define SLOs, SLIs, and error budgets (SRE practices).
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• Monitor event pipelines, consumer lag, and queue health.
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• Lead incident management, RCA, and postmortems.

Security & DevSecOps

• Implement security best practices across infrastructure and pipelines.
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• Secure messaging systems (encryption, access control, IAM policies).
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• Integrate SAST, DAST, container scanning, and IaC security tools.
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• Ensure compliance with standards like ISO, SOC2, etc.

Performance & Cost Optimization

• Drive cloud cost optimization strategies (FinOps practices).
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• Optimize event throughput, partitioning strategies, and queue performance.
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• Implement autoscaling, load balancing, and caching mechanisms.

Automation & Scripting

• Build automation frameworks using Python, Bash, or Go.
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• Eliminate manual processes and improve operational efficiency.

Leadership & Collaboration

• Mentor junior DevOps engineers and guide development teams.
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• Collaborate with architects, developers, QA, and security teams.
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• Drive DevOps and event-driven architecture adoption across the organization.

Requirements

• 810 years of experience in DevOps, Cloud Engineering, or SRE roles.

Cloud Expertise

• Strong hands-on expertise in AWS (mandatory):
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• EC2, S3, RDS, Lambda, VPC, IAM, CloudFront, Route53, EKS, etc.
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• Working knowledge of GCP and/or Azure.

Event-Driven Systems (MANDATORY)

• Hands-on experience with at least one, preferably multiple:

-Apache Kafka

-AWS SNS/SQS

-Google Pub/Sub

• Strong understanding of:

- Event streaming vs message queues

- Partitioning, consumer groups, offsets

- Message ordering, retries, and idempotency

- Schema management (Avro/JSON/Protobuf)

• Experience designing scalable event-driven microservices architectures.

Core DevOps Skills

• Deep expertise in Terraform (preferred IaC tool).
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• Strong experience with Kubernetes (EKS preferred).
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• Proven experience in designing highly scalable distributed systems.
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• Expertise in CI/CD pipeline design and optimization.
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• Strong scripting/programming skills (Python, Bash, Go).

System Knowledge

• Solid understanding of:

-Networking (VPC, DNS, Load Balancers, VPNs)

-Linux systems administration

-Security best practices

Nice to Have

• Experience with multi-cloud architecture (AWS + GCP/Azure).
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• Knowledge of serverless architectures.
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• Experience with service mesh (Istio, Linkerd).
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• Exposure to platform engineering / internal developer platforms.

Certifications (Preferred)

• AWS Certified DevOps Engineer Professional
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• AWS Solutions Architect Professional
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• Certified Kubernetes Administrator (CKA)
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• HashiCorp Terraform Certification