System Engineer (Computer) - Contract

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. in Singapore is seeking a senior integration engineer to design, develop, and deploy enterprise integration flows using IBM ACE v11/v12, with strong Java Spring skills and Linux operations.

You will optimize middleware environments, manage IBM MQ messaging, support SWIFT-based financial integrations, and contribute to CI/CD automation with GitHub; Docker/Kubernetes knowledge is a plus.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 8+ years hands-on with IBM ACE and Java Spring.
• Experience with IBM ACE v11/v12 and IBM MQ.
• Familiarity with SWIFT formats for financial integrations.
• Strong Linux troubleshooting and CI/CD practices.

Responsibilities

• Design, develop, and deploy integration flows using IBM ACE v11/v12.
• Administer and troubleshoot ACE environments for high availability.
• Collaborate on migration projects and enterprise integration initiatives.
• Develop backend components with Java Spring to support integrations.
• Utilize IBM MQ to manage messaging between applications.
• Apply CI/CD and GitHub automation; document changes and architecture.
• Operate in Linux environments for deployment and monitoring.
• Provide production support and rapid incident resolution.
• Maintain comprehensive system documentation.

Skills

IBM ACE & Java Spring

Linux & OS troubleshooting

SWIFT messaging formats

CI/CD with GitHub

Enterprise integration patterns

Communication & teamwork

Education

Bachelor's in Computer Science/IT

Tools

IBM MQ

GitHub

Docker

Kubernetes

Jira/ServiceNow

Job description

Responsibilities

• Design, develop, and deploy integration flows using IBM ACE v11/v12.
• Administer and troubleshoot IBM ACE environments, ensuring high availability and performance.
• Collaborate with cross-functional teams to support enterprise integration projects, including migration initiatives.
• Develop backend components using the Java Spring Framework to support integration requirements.
• Work with IBM MQ to manage messaging between enterprise applications.
• Interpret and implement solutions based on SWIFT messaging formats for financial integrations.
• Apply best practices in CI/CD, source control, and automation using tools like GitHub.
• Utilize Linux OS for deployment, monitoring, and troubleshooting of integration environments.
• Provide production support and ensure rapid incident resolution.
• Maintain comprehensive documentation of system architecture and code changes.

Required Skills:

• Middleware - SK000459 Messaging Products: IBM MQ, Message Broker/ACE; Redhat ActiveMQ Artemis & Confluent Kafka
• Operating Systems: Linux, Aix, Solaris & Windows
• Ticketing tools: Service-Now, JIRA & BMC Remedy
• Monitoring tools: Qpasa, Appwatch, Nastel Explorer & ITRS Geneos Active Console

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum 8+ years of hands-on experience with IBM ACE and Java Spring Framework.
• Proven experience with IBM ACE v11/v12, including configuration and troubleshooting.
• Strong understanding of IBM MQ and message-oriented middleware.
• Proficient in Linux OS with solid troubleshooting skills.
• Familiarity with CI/CD pipelines, especially using GitHub.
• Working knowledge of SWIFT messaging formats is required.
• Excellent problem-solving abilities and meticulous attention to detail.
• Strong verbal and written communication skills; team-oriented mindset.
• Experience with enterprise integration patterns and financial services systems
• Prior involvement in IBM ACE upgrade or migration projects
• Knowledge of containerization (e.g., Docker, Kubernetes) is a plus