SeniorAdministrator - AWS PaaS, Terraform
India
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Job Description
SeniorAdministrator - AWS PaaS, Terraform
Chennai, Tamil Nadu

Job Summary

AWS L2 : We are seeking a Cloud Site Reliability Engineer (SRE) with expertise in AWS, Linux, and Windows environments to ensure high availability, reliability, and performance of cloud infrastructure and applications. The ideal candidate will be responsible for managing and supporting production systems, handling incidents, driving automation, and improving overall platform stability across hybrid workloads.

Key Responsibilities

Provide end-to-end operational support for AWS cloud infrastructure and hosted applications • Monitor system health, performance, and availability across Linux and Windows servers • Respond to incidents, troubleshoot issues, and ensure timely resolution as per SLAs • Perform root cause analysis (RCA) and implement preventive measures • Manage and support workloads running on EC2 (Linux & Windows), RDS, and other AWS services • Work closely with application and DevOps teams to improve system reliability • Automate repetitive operational tasks using scripts and tools • Maintain and enhance monitoring, alerting, and logging frameworks • Develop and maintain runbooks and operational documentation • Participate in on-call support rotation Technical Responsibilities: • Manage and support: o Linux servers (RHEL, Ubuntu, Amazon Linux) o Windows servers (Windows Server, IIS, .NET apps) • Implement monitoring using: o AWS CloudWatch, Zabbix, Prometheus, Grafana, or similar tools • Automate tasks using: o Shell scripting (Linux) o PowerShell (Windows) • Work with CI/CD pipelines for deployment and automation • Manage infrastructure using Terraform / CloudFormation (basic to intermediate) • Ensure system security, patching coordination, and compliance • Handle log analysis using tools like CloudWatch Logs, ELK, or OpenSearch • Define and track SLIs, SLOs, and SLAs• Strong hands-on experience with AWS (EC2, VPC, S3, IAM, RDS, CloudWatch) • Solid experience in Linux administration (mandatory) • Working knowledge of Windows Server administration (mandatory) • Experience in incident management and production support • Familiar in OS Patching Linux and Windows Server • Knowledge of monitoring & alerting tools • Scripting skills: o Bash (Linux) o PowerShell (Windows) • Understanding of SRE principles (availability, reliability, automation) • Experience in troubleshooting performance and system issues

Skill Requirements

 Experience with Docker / Kubernetes (EKS) • Knowledge of Infrastructure as Code (Terraform / CloudFormation) • Exposure to DevOps practices and CI/CD tools • Experience in multi-account AWS environments • Basic understanding of networking and security best practices

Other Requirements

AWS Certified Solutions Architect – Associate • AWS Certified SysOps Administrator / DevOps Engineer • ITIL Foundation • Windows/Linux certification (optional but beneficial)
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 227,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2026 totaled $14.7 billion.