OpenShift Engineer (L1 Support)

UNIZEN TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

UNIZEN TECHNOLOGIES PTE. LTD. seeks an OpenShift Engineer (L1 Support) with 2–3 years of hands‑on experience in OpenShift and container platforms. You will provide first‑level support, monitor OpenShift environments, and assist in CI/CD operations while learning other platforms integrated with OpenShift.

The role emphasizes maintaining availability, performance, and reliability within SLAs and collaborating with DevOps, Infra, and Security teams to resolve platform issues.

Qualifications

• 2–3 years in OpenShift or Kubernetes environments.
• Basic containers knowledge (Docker/CRI-O).
• Linux systems and command line proficiency.
• Familiarity with monitoring/logging tools (Prometheus, Grafana, ELK).
• Understanding networking fundamentals (DNS, load balancing, ingress).
• Exposure to CI/CD tools (Jenkins, GitLab CI) is a plus.
• Basic scripting skills (Shell/Python) are advantageous.
• Strong troubleshooting and analytical abilities.

Responsibilities

• Provide L1 support for OpenShift platform including monitoring and incident response.
• Monitor cluster health, workloads, and infrastructure with standard tools.
• Perform routine operational tasks: user access, pod restarts, log analysis.
• Escalate complex issues to L2/L3 with documentation and initial analysis.
• Support deployment activities and CI/CD pipeline operations.
• Maintain system availability and performance per SLAs.
• Collaborate with DevOps, Infra, and Security to resolve platform issues.
• Create and maintainRunbooks and knowledge base articles.
• Participate in incident, problem, and change management processes.

Skills

OpenShift

Kubernetes

Linux CLI

Docker/CRI-O

Prometheus

Grafana

ELK

Networking

CI/CD

Shell/Python

Job description

Role Overview

We are seeking a motivated OpenShift Engineer (L1 Support)with 2–3 years of hands‑on experience in OpenShift and container platforms. The role involves providing first-level support, monitoring, and operational maintenance of OpenShift environments, while continuously learning and supporting additional platforms integrated with OpenShift.

Key Responsibilities

• ProvideL1 supportfor OpenShift platform, including monitoring, incident response, and basic troubleshooting
• Monitor cluster health, workloads, and infrastructure using standard monitoring tools
• Perform routine operational tasks such as:
• User access management
• Pod/application restarts
• Log analysis and basic issue diagnosis
• Escalate complex issues to L2/L3 teams with proper documentation and initial analysis
• Support deployment activities and assist in CI/CD pipeline operations
• Maintain system availability, performance, and reliability in line with SLAs
• Work with cross-functional teams (DevOps, Infra, Security) to resolve platform issues
• Create and maintain operational documentation, runbooks, and knowledge base articles
• Participate in incident management, problem management, and change management processes
• Be open to learning and supporting additional platforms/tools integrated with OpenShift

Required Skills & Experience

• 2–3 years of experience working with Red Hat OpenShiftor Kubernetes platforms
• Basic understanding of:
• Containers (Docker/CRI-O)
• Kubernetes/OpenShift architecture
• Linux systems and command line
• Familiarity with monitoring/logging tools (e.g., Prometheus, Grafana, ELK)
• Understanding of networking fundamentals (DNS, load balancing, ingress)
• Exposure to CI/CD tools (e.g., Jenkins, GitLab CI) is a plus
• Basic scripting skills (Shell/Python) are advantageous
• Strong troubleshooting and analytical skills

Preferred Qualifications

• Experience in banking or financial services environments(preferred but not mandatory)
• Exposure to cloud platforms (AWS, Azure, or GCP) is a plus
• Familiarity with ITIL processes (incident, problem, change management)