System Engineer

A-IT SOFTWARE SERVICES PTE LTD; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

A-IT Software Services Pte Ltd seeks a hands-on Application Support professional to manage environments from development to production, ensuring high availability and smooth releases. The role emphasizes automation, scripting, APIs, and collaboration with cross-functional teams in a banking/payments tech setting.

The ideal candidate has strong Linux/Unix skills, experience with microservices, CI/CD, and database troubleshooting, plus familiarity with card processing platforms.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 6 years of experience in application support, middleware support, system administration, or related technology roles.
• Experience in banking, cards, and payments systems is preferred.
• Experience with Cardlink, VisionPLUS, or similar card processing platforms is an advantage.

Responsibilities

• Build and support application environments across Development, SIT, UAT, and Mock Run.
• Monitor system health, performance, capacity, interfaces, and batch processing to ensure high availability.
• Administer and support Linux/Unix environments.
• Develop automation solutions using Python, Java, Shell scripting, and APIs.
• Manage environments, configurations, upgrades, patching, and certificate changes.
• Drive operational excellence through automation, standardization, and process improvements.
• Troubleshoot application, middleware, database, network, and infrastructure issues.
• Support testing, releases, change implementations, and Production Assurance activities.
• Collaborate with cross-functional technology teams to resolve issues and deliver enhancements.
• Maintain technical documentation, runbooks, and support knowledge repositories.

Skills

Linux/Unix

Java

Python

Shell scripting

REST APIs

Git

CI/CD

Containers

Cloud technologies

Monitoring

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline

Tools

Git

Docker

Kubernetes

CI/CD tools

Geneos

Splunk

Oracle

MySQL

PostgreSQL

Job description

Responsibilities :

• Build and support application environments across Development, SIT, UAT, and Mock Run.
• Monitor system health, performance, capacity, interfaces, and batch processing to ensure high availability.
• Administer and support Linux/Unix environments.
• Develop automation solutions using Python, Java, Shell scripting, and APIs.
• Manage environments, configurations, upgrades, patching, and certificate changes.
• Drive operational excellence through automation, standardization, and process improvements.
• Troubleshoot application, middleware, database, network, and infrastructure issues.
• Support testing, releases, change implementations, and Production Assurance activities.
• Collaborate with cross-functional technology teams to resolve issues and deliver enhancements.
• Maintain technical documentation, runbooks, and support knowledge repositories.

Requirements:

TechnicalSkills & Experience

The ideal candidate is a hands-on technology professional with strong experience in application support, environment management, and production operations. The candidate should be able to work independently in a fast-paced environment, possess strong troubleshooting skills, and collaborate effectively with cross-functional teams.

Education& Experience

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 6 years of experience in application support, middleware support, system administration, or related technology roles.
• Experience in banking, cards, and payments systems is preferred.
• Experience with Cardlink, VisionPLUS, or similar card processing platforms is an advantage.

Essential Skills

• Strong knowledge of Linux/Unix systems, preferably RedHat Enterprise Linux.
• Experience supporting Open Systems, microservices, and event-driven architecture.
• Proficiency in Java and/or Python, Shell scripting, REST APIs, and Git.
• Experience working with containers, cloud technologies, microservices, CI/CD pipelines, and automation tools.
• Good understanding of web/application servers, APIs, middleware, and distributed applications.
• Working knowledge of Oracle, MySQL, and/or PostgreSQL databases, including SQL troubleshooting.
• Understanding of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS certificates, and connectivity troubleshooting.
• Experience supporting SIT, UAT, Mock Run, release implementation, and deployment validation.
• Hands-on experience with monitoring and log analysis tools such as Geneos and Splunk.
• Experience in incident management, troubleshooting, root cause analysis, and production support.

Preferred Attributes

• Strong analytical and problem-solving skills.
• Ability to work independently with minimalsupervision.
• Good communication and stakeholder management skills.
• Strong ownership, accountability, and teamwork.
• Ability to manage multiple priorities in ahigh-pressure support environment.

Angeline Aw Kwee Choo (R24125869) A-IT Software Services Pte Ltd EA License No: 24C2345