Principal Engineer – IT Operations | RPP Squad

Fairview International School; Malaysia; On-site; MYR 180,000 - 240,000; Full time

Job summary

Payments Network Malaysia Sdn Bhd (PayNet) is seeking a Principal Engineer – IT Operations to own 24/7 real-time payment system operations, ensuring high availability, stability, and security for the RPP and ACI UP platform in a high‑pressure environment.

You will drive incident response, lead complex troubleshooting, implement automation, and mentor the team to raise capability in line with business objectives.

Qualifications

• Hands-on capability in Java, Linux (RHEL/Oracle) and shell scripting for operations
• Practical knowledge of payment standards ISO 20022 & ISO 8583
• Proven experience operating Linux systems in high‑availability, mission‑critical environments
• Demonstrated leadership across BAU and project operations under pressure

Responsibilities

• Lead and oversee 24/7 operations for RPP and the ACI UP platform to ensure high availability, stability, and security
• Provide technical leadership for ACI UP to improve scalability and reliability
• Ensure compliance with ISO 20022 and ISO 8583 standards in operations and implementations
• Manage and optimise backend systems across Java, Linux, and RDBMS, including automation via shell scripting
• Lead incident management and complex troubleshooting to minimise downtime and ensure rapid recovery
• Drive continuous improvement and team capability through mentoring and alignment to business objectives

Skills

Java

Linux administration

Shell scripting

High availability operations

Incident management

Tools

Jenkins

Terraform

Grafana

Prometheus

ELK

Job description

Principal Engineer – IT Operations | RPP Squad

• Own 24/7 operations for mission‑critical real‑time payment systems (RPP) where availability, stability, and security are non‑negotiable
• Strengthen the ACI UP platform to improve scalability, performance, and reliability as operational demands increase
• Ensure day‑to‑day operations and change delivery consistently meet payment standards (ISO 20022 & ISO 8583)
• Reduce downtime and operational risk by leading incident response, complex troubleshooting, and faster recovery across core platforms

TL; DR

• Lead operations ownership for RPP and the ACI UP platform in a high‑availability environment
• Drive system resilience through strong engineering across Java, Linux, RDBMS, and automation
• Be the technical authority during incidents, ensuring rapid recovery and stable service
• Raise team capability through mentoring and continuous improvement aligned to business objectives

Why This Role Matters

• Real‑time payment operations require deep technical judgment to keep services stable under pressure
• Operational excellence here directly reduces incident frequency, impact, and recovery time

  What You Will Actually Do

  • Lead and oversee 24/7 operations for RPP, ensuring high availability, stability, and security
  • Provide technical leadership for ACI UP, improving scalability, performance, and reliability
  • Ensure operational and implementation compliance with ISO 20022 & ISO 8583 standards
  • Manage and optimise backend systems across Java, Linux, and RDBMS, including automation via shell scripting
  • Lead incident management and complex troubleshooting to minimise downtime and ensure rapid recovery
  • Drive continuous improvement and team capability through mentoring and alignment to business objectives

  Examples of This Role in Practice

  • Leading a high‑severity production incident, coordinating deep troubleshooting and restoring service rapidly
  • Identifying a recurring stability issue and implementing automation to prevent repeated operational failures
  • Improving platform performance through system‑level analysis and tuning in a high‑availability environment
  • Validating that operational changes and implementations remain compliant with ISO 20022 & ISO 8583 requirements
  • Coaching engineers through BAU + project delivery pressures while maintaining a stable, secure operating posture

  Required

  • Extensive hands‑on capability in Java, Linux administration (RHEL/Oracle), and shell scripting for operations and automation
  • Practical knowledge of payment standards (ISO 20022 & ISO 8583) and how they apply in payment operations
  • Proven experience operating Linux systems in a high‑availability, mission‑critical environment, including performance analysis and optimization
  • Demonstrated leadership across BAU and project operations, including complex troubleshooting under pressure

  Helpful

  • Hands‑on experience with the ACI UP platform or similar payment processing systems
  • RHCSA / RHCE certification in Linux administration
  • Exposure to DevOps and observability tools such as Jenkins, Terraform, Grafana, Prometheus, ELK
  • Familiarity with core infrastructure services such as SMTP, LDAP, DNS, Apache, Nginx, HAProxy, WebLogic, JBoss/WildFly
  • Advanced performance tuning using tools such as vmstat, iostat, sar, lsof

  Embark on an exciting career journey with Payments Network Malaysia Sdn Bhd (PayNet), the heartbeat of Malaysia's financial markets!

  As the national payments network and a pivotal infrastructure for Malaysia’s dynamic financial markets, PayNet is a linchpin in advancing the nation’s digital economy.

  Our comprehensive suite of retail payment solutions - encompassing DuitNow (QR and P2P), JomPAY (Bill Payments), FPX (Online), MyDebit (Domestic Debit), MEPS (ATM), and IBG (Interbank GIRO) - not only offer wide accessibility but are seamlessly integrated into the fabric of daily life in Malaysia. These services have revolutionised the way Malaysians handle financial transactions, marking a significant leap in consumer convenience and efficiency.

  At PayNet, our focus is on providing a safe, efficient, and innovative payments system. We are dedicated to improving and managing payment services that meet the evolving needs of consumers and businesses. Our work ensures the stability and reliability of Malaysia’s financial system, supporting the growth of the economy.

  Learn more about our work and how we are contributing to Malaysia's financial future at www.paynet.my.

  Join us in embracing digital payments and advancing Malaysia's financial landscape.