ATM BASE24 Lead Engineer – Payment Systems

OCBC Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OCBC Group is seeking an experienced ATM BASE24 Lead Engineer to design, develop, and support mission‑critical BASE24 platforms. You will lead a team delivering high‑quality payment processing services, ensure production stability, and drive strategic enhancements within a banking environment.

You will mentor engineers, define standards, and coordinate cross‑functional efforts with vendors and regional teams. A strong background in BASE24, ATM processing, and regulatory compliance is essential.

Qualifications

• Bachelor’s degree in computer science, Information Technology, Engineering, or related discipline.
• 8+ years of experience in ATM and electronic payment systems.
• Strong hands‑on experience with ACI BASE24-Classic / BASE24-EPS.
• Experience in ATM transaction processing and payment switching environments.
• Proficiency in HP NonStop (Tandem) systems.
• Strong knowledge of: TACL, TAL, COBOL, Pathway, Enscribe, SQL/MP
• Experience with ISO 8583 messaging standards.
• Strong troubleshooting and production support experience.
• Excellent communication and stakeholder management skills.

Responsibilities

• Lead the design, development, enhancement, and support of ATM and electronic payment switching platforms based on ACI BASE24.
• Provide technical leadership and mentoring to team members.
• Define technical standards, best practices, and operational procedures.
• Review solution designs, code changes, and deployment plans.
• Design, develop, and maintain BASE24 applications and enhancements.
• Analyse business requirements and translate them into technical solutions.
• Support ATM transaction processing, authorization, reconciliation, and settlement functions.
• Perform impact assessments and effort estimations for new change requests.
• Provide Level 3 support for production incidents and critical system issues.
• Coordinate incident resolution with infrastructure, network, vendors, and business teams.
• Lead project implementation activities with requirement analysis, design, testing, and deployment.
• Ensure compliance with security, audit, and regulatory requirements.
• Maintain accurate technical documentation and operational procedures.

Skills

BASE20 24-Classic

BASE24-EPS

HP NonStop

TACL

TAL

COBOL

Pathway

Enscribe

SQL/MP

ISO 8583

DevOps

Automation

Monitoring tools

Technical leadership

Stakeholder management

ATM processing

Payment switching

Education

Bachelor's degree in CS/IT/Engineering

Tools

HP NonStop

Job description

OCBC Group is seeking an experienced ATM BASE24 Lead Engineer to design, develop, and support mission‑critical BASE24 platforms. You will lead a team delivering high‑quality payment processing services, ensure production stability, and drive strategic enhancements within a banking environment.

You will mentor engineers, define standards, and coordinate cross‑functional efforts with vendors and regional teams. A strong background in BASE24, ATM processing, and regulatory compliance is essential.