Day 2 Systems Engineer - HELIUS TECHNOLOGIES PTE. LTD.

OpenTalent; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

OpenTalent in Singapore is seeking a Day 2 Operations & Support engineer to provide ongoing operational support for mission‑critical applications and platform services. You will handle incident investigation, troubleshooting, RCA, and issue resolution, ensuring rapid recovery and continuity.

This role covers deployment support, post‑deployment verification, monitoring of health, performance, and logs, and collaboration with Day 1 teams, infrastructure, developers, cybersecurity, and stakeholders

Qualifications

• 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 tasks including building and maintaining pipelines, containerization, deployment automation, and related practices.
• Support deployment of React, Node.js, and Spring Boot applications.
• Perform container troubleshooting, performance tuning, and resource optimization.
• Manage Linux and Windows server environments and environment configurations across DEV, SIT, UAT, and Production environments.

Responsibilities

• 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.

Job description

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