Senior DevOps Engineer

Starhub Ltd; Singapore; On-site; SGD 140,000 - 190,000; Full time

Job summary

StarHub Ltd. Senior DevOps Engineer role to lead end-to-end cloud-native delivery, including design, development, QC testing, and CI/CD automation. You will manage Kubernetes operations, infrastructure provisioning, and software upgrades to maintain reliable, secure, and scalable systems.

Collaborating in a team with on-call rotations, you will handle production incidents, perform root-cause analysis, and contribute to architecture, automation, and runbooks for continuous improvement.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 5+ years Java enterprise development with Spring Boot.
• Strong microservices and REST API design knowledge.
• Experience with Docker, Kubernetes/OpenShift, and CI/CD tooling.
• Hands-on with Jenkins and OpenShift deployments.

Responsibilities

• Design, develop, and maintain scalable microservices in Java/Spring Boot.
• Deploy and manage services on OpenShift/Kubernetes, including Helm.
• Implement RESTful APIs with performance and security in mind.
• Work with CI/CD pipelines (e.g., Jenkins) for automated builds.
• Perform on-call support and incident root-cause analysis.
• Contribute to security, DR readiness, and documentation.

Skills

Java

Spring Boot

Microservices

RESTful APIs

CI/CD practices

On-call incident handling

Education

Bachelor’s degree in Computer Science / Software Engineering

Tools

Docker

Kubernetes/OpenShift

Jenkins

Git

Maven/Gradle

Helm

OpenShift resources (Deployments, Services, ConfigMaps)

Job description

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Date: 20 Aug 2026

Location: SG

Role Mission

The Senior DevOps Engineer will be involved in the end-to-end delivery lifecycle including solution design, application development, QC testing, CI/CD automation and continuous optimization of cloud-native platforms. The candidate will need to manage Kubernetes operations, infrastructure provisioning and software upgrades to ensure systems remain reliable, secure and scalable. The candidate will be working in a team in routine on-call rotations to support day-to-day operations, incident resolution, customer care and defect fixes.

Key Responsibilities

• Design and Development:
• Design, develop, and maintain robust, scalable, and resilient microservices using Java, Spring Boot and related frameworks.
• Hands-on experience with Apache Camel and its core Enterprise Integration Patterns (EIPs).
• Implement RESTful APIs and ensure services meet performance, security, and stability requirements.
• Write clean, well-tested, and efficient code following best practices and design patterns.
• Containerization and Deployment:
• Develop and manage services deployed on OpenShift/Kubernetes, including defining Dockerfiles and Kubernetes resource configurations (Deployments, Services, ConfigMaps, etc.).
• Work with CI/CD pipelines (e.g., Jenkins) for automated build, test, and deployment.
• Monitor and troubleshoot services running in the OpenShift environment.
• Architecture and Data:
• Contribute to the architectural design of microservices, focusing on principles like loose coupling, high cohesion, and fault tolerance.
• Implement various data persistence technologies, including relational (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).
• Integrate services using messaging systems (e.g., Red Hat AMQ) where required.
• Collaboration and Quality:
• Perform code reviews to maintain code quality and share knowledge within the team.
• Ensure compliance with security standards and industry regulations by performing security vulnerability scans (SAST, DAST, SCA) and disaster recovery exercise.
• Support on-call duty on shift rotation and handle production incident and root cause analysis with minimal supervision.
• Knowledge Management:
• Build technical documentation from scratch, maintaining working documents on architecture overviews, API specifications and system integrations.
• Create and maintain operational runbooks to support the team and internal stakeholders.
• AI Competency:
• Familiar with or have experience in agentic SDLC with competencies in prompt and context engineering, agent orchestration and supervision, and AI assisted delivery.
• Automate data gathering, pattern finding, auto fixing or self-healing with anomaly detection and analysis.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• Java Expertise: Minimum of 5 years of professional experience in developing enterprise applications using Java and the Spring Boot framework.
• Microservices and API: Strong understanding of microservices architecture, principles, and best practices. Experience designing and consuming RESTful APIs.
• Containerization: Proficient with Docker and Kubernetes/OpenShift for deployment and orchestration. Experience with OpenShift-specific features is a significant advantage.
• Database: Experience with SQL and NoSQL databases.
• Tools: Familiarity with Git, Maven/Gradle, and CI/CD tools.
• Combined experience in DevOps, SRE, or Software Engineering.
• Familiar with containerized environments, Kubernetes internals, and Helm.
• Hands-on production experience with Jenkins and CI/CD best practices.
• Solid understanding of AWS core services, IAM security, and cost-optimization practices.
• Comfortable with Linux internals, networking fundamentals, and shell scripting.
• Agile mindset with experience working in Scrum teams.
• Experience with AIOps practices and tools is an added advantage.