SeniorAdministrator - Kubernetes, Terraform
India
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Job Description
SeniorAdministrator - Kubernetes, Terraform
Chennai, Tamil Nadu

Job Summary

Cloud Site Reliability Engineer (SRE) – AWS (Linux & Windows) We are seeking a highly skilled Cloud Site Reliability Engineer (SRE) to ensure the availability, reliability, and performance of cloud infrastructure and applications across AWS environments. The role focuses on managing production systems, driving operational excellence, and enhancing platform stability through automation and continuous improvement. [Cloud Site...neer (SRE) | Word] The ideal candidate will have strong expertise in AWS, Linux, and Windows environments, with hands-on experience in supporting hybrid workloads and mission-critical systems. This includes monitoring system health, responding to incidents, performing root cause analysis, and implementing preventive measures to maintain service reliability in line with defined SLAs.

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

Skill Requirements

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 ________________________________________ Good to Have Skills: • 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 226,300 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 December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.