Sr Technical Consultant

ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments.

We are seeking a Technical Consultant to join our Professional Services team, responsible for delivering and implementing complex, high-value payment solutions for global clients.

This is a customer-facing role
, working directly with financial institutions to:

• Implement and configure ACI payment solutions
• Translate solution designs into robust, scalable implementations
• Ensure successful delivery across ACI operated (SaaS) and Customer operated environments

You will play a key role in delivering mission-critical payment systems
, with a strong focus on:

• High-value and real-time account to account payments, and card based payments
• Cloud-native and hybrid architectures
• Scalable, resilient, and high-performance solution delivery

• Implement, configure, and deploy ACI payment solutions to meet client requirements
• Act as a technical expert in client-facing engagements
  , supporting solution delivery and issue resolution
• Collaborate with Solution Architects and Business Analysts to translate requirements into working solutions
• Support system integration, testing, and troubleshooting across complex environments
• Engage in discussions on cloud deployment models
  , including scalability, resilience, and high availability
• Provide guidance on technical best practices
  , performance optimisation, and solution stability
• Identify and resolve delivery risks, ensuring successful implementation outcomes
• Support client onboarding, adoption, testing and transition to production environments

• Proven experience in a customer-facing technical delivery or consulting role
• Hands‑on experience implementing or supporting payments systems
  , ideally including:
  • High-value payments
  • Real-time transaction processing
  • Clearing and settlement systems
• Experience working in complex, enterprise-scale environments

• Strong understanding of:
  • Payments architectures and transaction processing
  • System integration (APIs, messaging, middleware)
  • High availability, resilience, and performance optimisation
• Experience working with or deploying solutions in:
  • Cloud environments (preferred)
  • Hybrid or distributed architectures
• Cloud-native concepts (scalability, elasticity, fault tolerance)
• Deployment strategies and operational considerations

• Bachelor’s degree or equivalent experience.
• 5 years relevant experience.

• Bachelor’s degree in Computer Science, Information Systems/Management, Business, Accounting or Finance preferred.
• Standard work environment
• Majority of time spent on PC (Phys. Req.)

I n return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment.

ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.

Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company (  / ). The ACI Worldwide recruitment team will always follow official channels and will never request payment.

• Job Category Professional Services and Consulting