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Sr Technical Lead (Support & Operations)

On-site Singapore

Job Summary

We are seeking a highly skilled DevOps Engineer with strong expertise in AWS Cloud, Red Hat OpenShift, Kubernetes, and CI/CD automation. The candidate will be responsible for designing, implementing, and managing scalable cloud-native platforms, automating infrastructure, optimizing deployment pipelines, and ensuring high availability, security, and performance of enterprise applications.

Key Responsibilities

Cloud & Platform Management

  • Design, implement, and manage AWS cloud infrastructure.
  • Administer and support Red Hat OpenShift and Kubernetes clusters.
  • Manage containerized workloads and ensure platform scalability and reliability.
  • Perform capacity planning, performance tuning, and resource optimization.

DevOps & Automation

  • Develop and maintain CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or similar tools.
  • Automate infrastructure provisioning using Terraform, CloudFormation, or Ansible.
  • Implement Infrastructure as Code (IaC) and configuration management practices.
  • Streamline software release and deployment processes.

Monitoring & Reliability

  • Configure monitoring and alerting solutions using Prometheus, Grafana, CloudWatch, ELK/OpenSearch, or similar tools.
  • Conduct root cause analysis and resolve production incidents.
  • Ensure platform uptime and compliance with defined SLAs.

Security & Compliance

  • Implement cloud security best practices across AWS and OpenShift environments.
  • Manage IAM roles, secrets management, and access controls.
  • Support vulnerability management, patching, and compliance audits.

Collaboration & Support

  • Work closely with development, testing, and architecture teams.
  • Support application onboarding onto OpenShift platforms.
  • Create and maintain technical documentation, SOPs, and runbooks.

Skill Requirements

Cloud Technologies

  • AWS (EC2, VPC, IAM, RDS, S3, EKS, CloudWatch, Load Balancers)
  • Cloud Networking and Security

Container & Platform Technologies

  • Red Hat OpenShift
  • Kubernetes
  • Docker/Container Runtime
  • Helm Charts

DevOps Tools

  • Jenkins
  • GitHub / GitLab
  • JFrog Artifactory / Nexus
  • SonarQube

Infrastructure Automation

  • Terraform
  • Ansible
  • Shell Scripting
  • Python

Operating Systems

  • Linux (RHEL/CentOS/Ubuntu)
  • System Administration & Troubleshooting

Monitoring & Observability

  • Prometheus
  • Grafana
  • ELK Stack/OpenSearch
  • AWS CloudWatch

Other Requirements

Preferred Qualifications

  • Bachelor's Degree in Computer Science, IT, or related field.
  • AWS Certified Solutions Architect or AWS SysOps Administrator.
  • Red Hat OpenShift Certification.
  • Certified Kubernetes Administrator (CKA).
  • Terraform Associate Certification.

Desired Competencies

  • Strong troubleshooting and analytical skills.
  • Excellent communication and stakeholder management.
  • Automation-first mindset.
  • Ability to work in Agile and DevOps environments.
  • Experience supporting mission-critical production platforms.

Nice-to-Have Skills

  • OpenShift Virtualization
  • ArgoCD
  • Service Mesh (Istio)
  • Dynatrace/AppDynamics
  • GitOps
  • GenAI/Agentic AI deployment on OpenShift

Source: the employer's careers page. Last checked 2026-10-24. Posted 2026-10-24.

Applications happen on HCLTech's own site. View role and apply

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