Day 2 System Engineer

ASCENDION ENGINEERING SOLUTIONS SINGAPORE PTE. LTD.Singaporemycareersfuturegepubliceerd op 25-08-2026
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Vereist:ReactNode.jsGitDockerKubernetesDevOpsCI/CDSecurity

We are seeking a highly motivated and technically strong Software System Engineer to support the Day 2 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.

Key Responsibilities:

Day 2 Operations & Support

  • Provide Day 2 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 Day 1 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.

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

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