As Singapore’s longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.
Today, we’re on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia’s leading financial services partner for a sustainable future.
We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.
Your Opportunity Starts Here.
ATM BASE24 Lead Engineer
Position Summary : We are seeking an experienced ATM BASE24 Lead Engineer to lead the design, development, enhancement, and support of mission-critical ATM and electronic payment switching platforms based on the ACI BASE24 solution.
The successful candidate will be responsible for ensuring system stability, driving strategic enhancements, supporting business initiatives, and leading a team of engineers in delivering high-quality payment processing services.
Key Responsibilities:-
Technical Leadership
- Lead the development, implementation, and support of ATM and payment-switching solutions using 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.
Application Development & Support
- Design, develop, and maintain BASE24 applications and custom 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.
Production Support
- Provide Level 3 support for production incidents and critical system issues.
- Troubleshoot transaction processing failures and performance-related issues.
- Coordinate incident resolution with infrastructure, network, vendors, and business teams.
- Participate in On-Call support and major incident management activities.
Project Delivery
- Lead project implementation activities, including requirement analysis, design, testing, and deployment.
- Collaborate with business stakeholders, vendors, and regional teams.
- Support system upgrades, migration initiatives, and platform modernization efforts.
- Ensure projects are delivered within scope, timeline, and quality expectations.
Governance & Compliance
- Ensure compliance with security, audit, and regulatory requirements.
- Support risk assessments, disaster recovery testing, and business continuity activities.
- Maintain accurate technical documentation and operational procedures.
Required 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.
Preferred Qualifications
- Experience in banking or financial services environments.
- Knowledge of card management systems, debit/credit card processing, and payment networks.
- Experience with ATM driving, interchange connectivity, and switch integrations.
- Familiarity with DevOps, automation, and monitoring tools.
- Experience leading regional or geographically distributed teams.
Key Competencies
- Technical Leadership
- Problem Solving and Root Cause Analysis
- Stakeholder Management
- Project Delivery
- Risk and Change Management
- Communication and Collaboration
- Customer Focus
Seniority Level : Lead Engineer / Technical Lead
Industry : Banking, Financial Services, Payments Technology
Keywords: ACI BASE24, BASE24-eps, ATM Switching, HP Non-Stop, Tandem, ISO 8583, Electronic Payments, ATM Transaction Processing, Payment Systems, Banking Technology, Technical Lead.
What we offer:
Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.
Skills Required
- Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related discipline
- 8+ years of experience in ATM and electronic payment systems
- Hands-on experience with ACI BASE24-Classic or BASE24-EPS
- Experience in ATM transaction processing and payment switching environments
- Proficiency in HP NonStop or Tandem systems
- Knowledge of TACL, TAL, COBOL, Pathway, Enscribe, and SQL/MP
- Experience with ISO 8583 messaging standards
- Strong troubleshooting and production support experience
- Excellent communication and stakeholder management skills
- Experience in banking or financial services environments
- Knowledge of card management systems, debit and credit card processing, and payment networks
- Experience with ATM driving, interchange connectivity, and switch integrations
- Familiarity with DevOps, automation, and monitoring tools
- Experience leading regional or geographically distributed teams
What We Do
OCBC is the longest established Singapore bank, formed in 1932 from the merger of three local banks, the oldest of which was founded in 1912. It is now the second largest financial services group in Southeast Asia by assets and one of the world’s most highly-rated banks, with an Aa1 rating from Moody’s. Recognised for its financial strength and stability, OCBC is consistently ranked among the World’s Top 50 Safest Banks by Global Finance and has been named Best Managed Bank in Singapore by The Asian Banker. OCBC and its subsidiaries offer a broad array of commercial banking, specialist financial and wealth management services, ranging from consumer, corporate, investment, private and transaction banking to treasury, insurance, asset management and stockbroking services. OCBC’s key markets are Singapore, Malaysia, Indonesia and Greater China. It has more than 570 branches and representative offices in 19 countries and regions. These include about 300 branches and offices in Indonesia under subsidiary Bank OCBC NISP, and over 90 branches and offices in Mainland China, Hong Kong SAR and Macau SAR under OCBC Wing Hang. OCBC’s private banking services are provided by its wholly-owned subsidiary Bank of Singapore, which operates on a unique open-architecture product platform to source for the best-in-class products to meet its clients’ goals. OCBC's insurance subsidiary, Great Eastern Holdings, is the oldest and most established life insurance group in Singapore and Malaysia. Its asset management subsidiary, Lion Global Investors, is one of the largest private sector asset management companies in Southeast Asia.
