L2 Application Support Engineer

ARYAN SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 67,000 - 100,000; Full time

Job summary

ARYAN SOLUTIONS PTE. LTD. is seeking a motivated L2 Application Support Engineer in Singapore to monitor production systems, resolve incidents, and ensure high availability of mission-critical Java applications.

You will investigate issues, perform RCAs, optimize SQL queries, and collaborate with cross-functional teams on deployments, change management, and service improvements in a fast-paced enterprise environment.

Qualifications

• Diploma or Bachelor’s degree in CS/IT/Engineering.
• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder management skills.
• Ability to work in a fast-paced production support environment.
• Good documentation and reporting skills.
• Proficiency in Microsoft Office applications.

Responsibilities

• Provide Level 2 application support for production environments.
• Investigate, troubleshoot, and resolve production incidents within SLAs.
• Perform root cause analysis (RCA) and preventive measures.
• Monitor production applications and ensure system availability.
• Write and optimize SQL queries for troubleshooting and data validation.
• Analyse logs and identify performance bottlenecks.
• Coordinate with development, infra, database, and business teams during incident resolution.
• Support deployments, rollback procedures, and production releases.
• Maintain operational documentation and runbooks.
• Prepare operational reports and participate in service reviews.
• Ensure compliance with operational and security standards.

Skills

Java

Spring Boot

Microservices

SQL

Hibernate

REST APIs

Exception handling

Kafka

Education

Diploma or Bachelor's in CS/IT/Engineering

Tools

Splunk

Kibana

Jenkins

OpenShift/Kubernetes

MariaDB

Git

Job description

L2 Application Support Engineer

Location: Singapore
Employment Type: Full-time
Experience: 1 to 9 Years

About the Role

We are looking for motivated and technically strong Application Support Engineers to support business-critical enterprise applications in a high-availability environment. You will be responsible for monitoring production systems, resolving incidents, performing root cause analysis, and ensuring smooth day-to-day operations of mission-critical applications.

This role is ideal for candidates who enjoy troubleshooting complex technical issues, working with cross-functional teams, and supporting large-scale Java-based applications.

Key Responsibilities

• Provide Level 2 application support for production environments.
• Investigate, troubleshoot, and resolve production incidents within agreed service levels.
• Perform root cause analysis (RCA) and recommend preventive measures.
• Monitor production applications and ensure system availability.
• Write and optimize SQL queries for troubleshooting, reporting, and data validation.
• Analyse application logs and identify performance bottlenecks.
• Coordinate with development, infrastructure, database, and business teams during incident resolution.
• Support deployment activities, rollback procedures, and production releases.
• Monitor and restart batch jobs where required.
• Maintain operational documentation, SOPs, runbooks, and knowledge articles.
• Prepare operational reports and participate in service review meetings.
• Ensure compliance with operational and security standards.

Required Technical Skills

• Strong knowledge of Java (Core Java)
• Experience with Spring Boot and Microservices
• SQL query writing, troubleshooting, and performance tuning
• Hibernate ORM
• REST APIs and API troubleshooting
• Exception handling and debugging
• Basic understanding of Kafka or messaging platforms

Platform & Tools

• Splunk
• Kibana
• Jenkins
• OpenShift or Kubernetes
• MariaDB or other relational databases
• Git or other version control tools

Functional Knowledge

• Production Support (L2/L3)
• Incident Management
• Problem Management
• Change Management
• Core Banking application exposure is advantageous
• Understanding of transaction processing
• Basic knowledge of Savings and Current Account interest calculations is an advantage

Preferred Knowledge

• ACID database principles
• Distributed systems
• Horizontal and vertical scalability concepts
• Middleware and API Gateway technologies
• Batch processing environments

Experience Levels

Junior Application Support Engineer (1 to 3 Years)

• Support production incidents.
• Monitor application health.
• Restart failed batch jobs.
• Maintain operational documentation.
• Assist senior engineers during troubleshooting.

Application Support Engineer (4 to 6 Years)

• Independently resolve production incidents.
• Perform SQL analysis and troubleshooting.
• Support deployment and rollback activities.
• Participate in root cause analysis.
• Collaborate with multiple technical teams.

Senior Application Support Engineer (6 to 9 Years)

• Lead complex production incident resolution.
• Perform advanced debugging of Java applications.
• Drive RCA and continuous service improvements.
• Mentor junior support engineers.
• Participate in service governance and operational reviews.

Requirements

• Diploma or Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder management skills.
• Ability to work in a fast-paced production support environment.
• Good documentation and reporting skills.
• Proficiency in Microsoft Office applications.

Preferred Candidates

Singapore Citizens are encouraged to apply.