L2 Production Support_Contract

RADIANT DIGITAL SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A digital solutions company in Singapore is seeking a seasoned production support engineer with over 10 years of experience. The successful candidate will manage L2/L3 support for Java/web-based applications within banking, ensuring system reliability and performance by using SRE methodologies. This role involves incident management, monitoring, and collaboration with technical teams to enhance production stability.

Responsibilities

• Provide L2/L3 production support for Java/web applications.
• Manage 24/7 application support and high-severity incidents.
• Monitor and troubleshoot application and infrastructure issues.
• Perform root cause analysis and follow up on incidents.
• Participate in disaster recovery drills.

Skills

Production support

System administration

Application support

Linux/AIX/UNIX

AWS/Azure

SQL/MySQL/MariaDB

DevOps

High-pressure problem solving

Education

Bachelor's Degree in Computer Science or related field

Tools

WebSphere

WebLogic

Apache Tomcat

VMware

Job description

Key Responsibilities

• Provide L2/L3 production support for Java/web-based applications, primarily in banking environments.
• Manage 24/7 application support, including high-severity and high-impact incidents, with a focus on fast recovery and minimal disruption.
• Monitor, troubleshoot, and resolve application and infrastructure issues promptly.
• Perform root cause analysis and post-resolution follow-ups for incidents.
• Participate in disaster recovery drills and major incident investigations.
• Generate and maintain reports based on ticket metrics and application performance.
• Coordinate and execute infrastructure maintenance activities including patching, upgrades, and deployments.
• Manage and maintain Docker containers and batch jobs (e.g., TWS, Cronjobs).
• Conduct regular health checks and performance monitoring using tools and scripts.
• Maintain documentation for technical procedures, incident handling, and change management.
• Support CI/CD pipelines and DevOps practices for application releases and change requests.
• Ensure SIT and UAT approval processes are completed, including UAT Business Unit sign-off.
• Collaborate with developers, project teams, vendors, and infrastructure teams to ensure seamless operations.
• Drive effective communication between business and technology regarding production service reliability and performance.
• Champion production resilience and availability, focusing on superior client experience.
• Drive the implementation of Site Reliability Engineering (SRE) and Chaos Engineering for strategic systems.
• Improve system reliability and availability by gathering data and designing for performance.
• Drive continuous improvements in processes and systems using SRE methodologies.
• Provide expert advice and training on technology solutions and advanced reliability techniques.

Required Skills & Experience

• Minimum 10 years of experience in production support, system administration, or application support roles.
• Strong knowledge of Linux/AIX/UNIX, Windows Servers, and cloud platforms (AWS, Azure).
• Proficient in SQL, MySQL, MariaDB, and database batch scripting.
• Experience with WebSphere, WebLogic, Apache Tomcat, and VMware.
• Familiarity with monitoring tools, log analysis, and performance tuning.
• Hands-on experience with DevOps tools and CI/CD pipelines.
• Strong communication and problem-solving skills.
• Ability to work in high-pressure environments and manage multiple priorities.

Education & Certifications

• Bachelor’s Degree in Science (Computer Science) or related field.