Senior Matrixx SME DevOps Engineer

Starhub Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Starhub Ltd is seeking a Senior Matrixx SME DevOps Engineer to design, develop, and maintain scalable microservices using Java and Spring Boot. The role requires hands-on work with OpenShift/Kubernetes, Docker, and Apache Camel, ensuring robust RESTful APIs and efficient CI/CD pipelines.

You will monitor, troubleshoot, and contribute to architecture while applying security tests and disaster recovery practices. Strong coding discipline and on-call experience are essential for success.

Qualifications

• Strong Java development experience with Spring Boot.
• Hands-on with Apache Camel and EIPs.
• Experience deploying on OpenShift/Kubernetes.
• Proficient in CI/CD using Jenkins.
• Experience with relational and NoSQL databases (PostgreSQL, MongoDB, Redis).
• Familiar with security testing (SAST/DAST/SCA) and DR exercises.
• Ability to write clean, well-tested code and perform code reviews.
• On-call production support and incident root-cause analysis.

Responsibilities

• Design, develop, and maintain robust microservices using Java, Spring Boot and related frameworks.
• 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.
• Contribute to the architectural design of microservices, focusing on loose coupling, high cohesion, and fault tolerance.
• Implement data persistence technologies including PostgreSQL, MongoDB, Redis.
• Integrate services using messaging systems such as Red Hat AMQ.
• Perform code reviews and ensure security standards and disaster recovery readiness.

Skills

RESTful APIs

Code reviews

Security awareness

Disaster recovery

On-call support

Microservices design

CI/CD pipelines

Architecture design

Tools

Java

Spring Boot

Apache Camel

OpenShift

Kubernetes

Docker

Jenkins

PostgreSQL

MongoDB

Redis

Red Hat AMQ

Job description

Senior Matrixx SME DevOps Engineer

Date: 27 Jul 2026

Location

SG

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.

Qualifications