Application Support Engineer (Unix/Linux & SQL)

Luxoft; Singapore; On-site; SGD 78,000 - 112,000; Full time

Job summary

Luxoft Singapore is seeking a skilled Production Support Engineer to join our Software Engineering Group. You will provide L2/L3 application support for mission-critical systems, perform incident management, and drive root cause analysis to ensure high availability and performance in a fast-paced production environment.

The role requires strong Unix/Linux and SQL expertise, experience with monitoring tools like Grafana and ELK, and collaboration with development, infrastructure and business

Qualifications

• 4 to 6 years of experience in Application/Production Support.
• Strong hands-on Unix/Linux experience.
• Strong SQL skills for data analysis.
• Experience in production monitoring and incident management.
• Familiarity with Grafana and ELK for monitoring.
• Exposure to MQ or Kafka messaging systems.
• Understanding of CI/CD and release activities.

Responsibilities

• Provide L2/L3 application support for production systems.
• Investigate, troubleshoot, and resolve issues across applications and data.
• Perform incident and problem management with root cause analysis.
• Execute SQL queries to analyze data and support investigations.
• Utilize Unix/Linux for monitoring, diagnostics, and automation.
• Monitor health using Grafana, ELK, MQ/Kafka and related tools.
• Collaborate with development, infrastructure and business teams to resolve issues.
• Support deployments, release validation and production readiness.
• Contribute to process improvements and documentation.
• Participate in on-call rotations as required.

Skills

Unix/Linux

SQL

L2/L3 support

Incident management

Root cause analysis

Grafana

ELK

MQ

Kafka

CI/CD

Stakeholder management

Tools

MQ

Kafka

Job description

Project description

As a member of our Software Engineering Group, you will play a key role in supporting and maintaining business-critical applications in a production environment. The primary focus of this role is L2/L3 application support, incident management, troubleshooting, and ensuring system stability and availability. You will work closely with development teams, infrastructure teams, and business stakeholders to investigate issues, perform root cause analysis, and support continuous service improvements.This position is ideal for professionals with a strong production support background and hands-on expertise in Unix/Linux and SQL who are comfortable operating in a fast-paced support environment.

Responsibilities

• Provide L2/L3 application support for production systems, ensuring high availability and operational stability.
• Investigate, troubleshoot, and resolve application, system, and data-related issues.
• Perform incident management, problem management, and root cause analysis for production incidents.
• Execute SQL queries to analyze data, troubleshoot issues, and support business investigations.
• Utilize Unix/Linux environments for monitoring, diagnostics, log analysis, automation, and operational support activities.
• Monitor application health using tools such as Grafana, ELK, MQ/Kafka, and related monitoring platforms.
• Collaborate with development, infrastructure, and business teams to drive timely issue resolution.
• Support deployment activities, release validation, and production readiness processes.
• Contribute to process improvements, documentation, and operational excellence initiatives.
• Participate in on-call or production support rotations as required.

SKILLS

Must have

• 4 to 6 years of experience in Application Support, Production Support, or a similar L2/L3 support role.
• Strong hands-on experience working with Unix/Linux operating systems.
• Strong hands-on SQL skills, including query writing, troubleshooting, and data analysis.
• Proven experience supporting business-critical applications in production environments.
• Strong troubleshooting, incident management, and root cause analysis skills.
• Experience working with monitoring and observability tools such as Grafana and ELK.
• Exposure to messaging technologies such as MQ or Kafka.
• Familiarity with CI/CD processes and release support activities.
• Ability to manage multiple priorities in a fast-paced production support environment.
• Strong communication and stakeholder management skills.

Nice to have

• Basic to intermediate knowledge of Java.
• Experience with Python or Shell (Bash) scripting for automation and operational tasks.
• Knowledge of WebSocket and SFTP integrations.
• Exposure to SRE practices and production monitoring frameworks.