Sr Technical Consultant

Powering the world's payments ecosystem

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.

Role Overview

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

Key Responsibilities


* 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

Required Experience


* 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

Technical & Domain Expertise


* 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


* Comfortable discussing:
+ Cloud-native concepts (scalability, elasticity, fault tolerance)
...