Systems Engineer (Operations Support, DevOps)

Singaporean only Overview We are seeking a highly motivated and technically strong Software System Engineer to support the operations, maintenance, and enhancement activities for IT Project. The candidate will be responsible for ensuring the stability, reliability, security, and operational readiness of mission-critical systems in a 24/7 operational environment. The ideal candidate should possess strong hands-on experience in DevOps, middleware/platform support, container technologies, CI/CD pipeline management, troubleshooting, deployment automation, and production support operations. Key Responsibilities: Operations & Support Provide operational support for mission-critical applications and platform services. Perform incident investigation, troubleshooting, root cause analysis (RCA), and issue resolution. Support production deployment activities, rollback activities, and post-deployment verification. Monitor system health, application performance, logs, and operational alerts. Work closely with support teams, infrastructure teams, software developers, cybersecurity teams, and project stakeholders. Support system recovery, disaster recovery (DR), and business continuity activities. Participate in standby support and after-office-hour support activities when required. Ensure compliance with operational procedures, governance, and security policies. CI/CD & DevOps Engineering Build, maintain, and optimize CI/CD pipelines for: Source code management and branching strategy Code Quality Scanning Static Application Security Testing (SAST) Software Composition Analysis / Dependency Scanning Container Image Vulnerability Scanning Automated Build & Packaging Containerization of applications Automated Testing Integration Deployment File Generation Release Management & Deployment Automation Container & Platform Management Deploy, configure, and manage containerized applications using: Docker Podman Kubernetes Support application deployments for: React applications Node.js applications Spring Boot applications Perform container troubleshooting, performance tuning, and resource optimization. Support Kubernetes cluster operations, deployment configurations, secrets management, ingress configuration, and scaling activities. System Engineering & Administration Maintain middleware and application platform configurations. Support Linux and Windows server environments. Perform system patching, configuration updates, and preventive maintenance activities. Manage environment configurations across DEV, SIT, UAT, and Production environments. Support certificate renewal, configuration management, and secure connectivity setup. Maintain deployment scripts, automation scripts, and operational tools. Monitoring & Reliability Engineering Configure and maintain monitoring dashboards, alerts, and health checks. Monitor system availability, application performance, and resource utilization. Support log analysis and troubleshooting using centralized logging tools. Identify proactive improvement opportunities to enhance operational stability and reliability. Documentation & Compliance Prepare and maintain: System architecture documentation Deployment procedures Operational runbooks Troubleshooting guides SOPs and technical reports Support audit activities, security compliance reviews, and operational assessments. Qualifications & Experience Educational Qualification Diploma or Bachelor’s Degree in: Computer Science Information Technology Software Engineering Computer Engineering Or related disciplines Experience Requirements Minimum 3 years of relevant working experience in: Software system engineering DevOps engineering Application support Production support Platform/system administration Experience supporting enterprise or mission-critical systems is highly preferred. Experience in government or large-scale enterprise environments will be an advantage. Technical Skills & Competencies Mandatory Technical Skills Strong knowledge of: Linux administration Application deployment and troubleshooting CI/CD pipeline implementation Container technologies and orchestration Hands-on experience with: GitLab CI/CD Jenkins Docker Podman Kubernetes Git Familiarity with: React Node.js Spring Boot Scripting & Automation Experience in scripting and automation using: Bash Python PowerShell Shell scripting Monitoring & Observability Experience with monitoring and observability tools such as: eG Enterprise Prometheus Grafana Nagios Zabbix Database Knowledge Understanding of database technologies: SQL databases NoSQL databases Basic database troubleshooting and query knowledge preferred. Security & Compliance Understanding of: Secure system hardening Cybersecurity best practices Vulnerability management Secure CI/CD practices Certificate and secret management Preferred Skills Candidates with experience in the following areas will have an added advantage: VMware or virtualization technologies Kafka or messaging technologies API integrations and middleware support High Availability (HA) and Disaster Recovery (DR) environments Government project operational support ITIL incident/problem/change management processes Container security and image scanning tools SonarQube or code quality tools Soft Skills Strong analytical and problem-solving skills Good communication and stakeholder management abilities Ability to work independently and under pressure Strong teamwork and collaboration mindset Good documentation and reporting skills Ability to support operational incidents in a fast-paced environment Working Environment 24/7 operational support environment May require standby support and after-office-hour deployment support Collaborative environment involving infrastructure, cybersecurity, application, and operations teams