Day 2 Software System Engineer

Ascendion Engineering Solutions Singapore Pte. Ltd; Singapore; On-site; SGD 100,000 - 140,000; Full time

Job summary

Ascendion Engineering Solutions Singapore Pte. Ltd is seeking an experienced DevOps/Day 2 Operations engineer to support mission-critical applications and platform services in a Singapore-based environment.

You will collaborate with Day 1, infrastructure, cybersecurity, and project teams to ensure high availability, security, and efficient deployment. The role involves building and maintaining CI/CD pipelines, container orchestration with Kubernetes/Docker, and proactive monitoring of systems

Qualifications

• Diploma or Bachelor's degree in Computer Science/IT/Software Engineering or related.
• Minimum 3 years in software/system engineering, DevOps, or production support.
• Experience with enterprise or mission-critical systems preferred.
• Government or large-scale enterprise experience advantageous.

Responsibilities

• Provide Day 2 operational support for mission-critical applications and platform services.
• Perform incident investigation, troubleshooting, root cause analysis (RCA), and issue resolution.
• Build, maintain, and optimize CI/CD pipelines and container orchestration.
• Monitor system health, performance, logs, and operational alerts; support DR and business continuity.

Skills

Linux administration

CI/CD pipeline

Container technologies

GitLab/Jenkins

Kubernetes

Docker/Podman

Education

Diploma or Bachelor's Degree in Computer Science/IT/Software Engineering

Tools

GitLab

Jenkins

Docker

Kubernetes

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 s, automation s, 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 EngineeringOr 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
• ing & Automation - Experience in ing and automation using: Bash Python PowerShell Shell ing
• 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