AWS Platform Operations Engineer (L2 / L3)

We are seeking an experienced AWS Platform Operations Engineer (L2 / L3) to support and manage our AWS-based Data Lake Platform and associated cloud infrastructure. This role is responsible for day-to-day platform operations, monitoring, incident resolution, infrastructure support, access and entitlement management, security remediation, CI/CD support, disaster recovery activities, and continuous improvement of platform stability, security, and operational efficiency.

The ideal candidate should have strong hands-on experience in AWS cloud operations, production support, and platform governance, along with the ability to troubleshoot complex issues and support enterprise-grade cloud environments.

Key Responsibilities

• Provide L2/L3 operational support for AWS platform services and the AWS Data Lake environment.
• Manage and support AWS services including S3, Athena, SSM, IAM, EC2, Lambda, Glue Catalog/Jobs/Crawlers, CloudWatch, VPC, CloudFormation, Lake Formation, ECR, and DynamoDB.
• Monitor platform health, investigate alerts, troubleshoot failures, and ensure timely resolution of incidents and service requests.
• Handle incident, change, and problem management tickets in line with enterprise support processes and SLAs.
• Manage IAM users, roles, policies, entitlements, and resource permissions in accordance with security and governance standards.
• Support Lake Formation permissions, data access controls, and secure onboarding/offboarding of users and applications.
• Administer and troubleshoot Glue jobs, crawlers, catalog metadata, Athena query issues, and S3-based data lake access.
• Support infrastructure provisioning, deployment, and change implementation using CloudFormation and CI/CD pipelines.
• Contribute to CI/CD enablement, release support, deployment validation, and code promotion across environments.
• Ensure code repository standardization, branching/version control practices, and alignment with engineering and operational standards.
• Participate in Disaster Recovery (DR) activities, including DR readiness checks, backup/restore validation, failover/failback support, and documentation updates.
• Perform root cause analysis (RCA) for recurring or critical issues and recommend preventive actions.
• Support CloudWatch dashboards, logging, alerting, and operational reporting.
• Assist with AWS cost monitoring and optimization, tagging compliance, and resource usage governance.
• Perform or support security vulnerability scans, review findings, coordinate remediation, and drive closure of security-related tickets in collaboration with security and engineering teams.
• Maintain runbooks, SOPs, operational documentation, and knowledge articles.
• Collaborate with data engineers, developers, cloud architects, security, governance, and DevOps teams for platform support and continuous improvements.

Required Skills

• Strong hands-on experience in AWS platform operations / cloud support / production support.
• Working knowledge of: 
  • Amazon S3
  • Amazon Athena
  • AWS IAM
  • AWS Systems Manager (SSM)
  • Amazon EC2
  • AWS Lambda
  • AWS Glue (Catalog, Jobs, Crawlers)
  • Amazon CloudWatch
  • Amazon VPC
  • AWS CloudFormation
  • AWS Lake Formation
  • Amazon ECR
  • Amazon DynamoDB
• Experience in access provisioning, entitlement management, resource permissions, and governance controls.
• Strong troubleshooting skills across cloud infrastructure, platform services, and data workflows.
• Experience in CI/CD support, deployment coordination, and operational readiness for releases.
• Understanding of code repository management and standardization practices.
• Exposure to DR processes, backup/recovery validation, and resiliency support.
• Experience with security vulnerability remediation and closure of security/compliance-related tickets.
• Good understanding of incident, change, and problem management processes.
• Knowledge of AWS security best practices, governance, and operational controls.

Preferred Skills

• Experience with Python / Shell scripting for automation and operational tasks.
• Exposure to DevOps practices, infrastructure automation, and release management.
• Familiarity with cloud cost optimization and governance frameworks.
• AWS certification(s) such as Cloud Practitioner, SysOps Administrator, or Solutions Architect Associate.

Experience & Qualification

• 7–10 years of overall IT experience with 5+ years in AWS cloud/platform operations.
• Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field.

At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.