Senior ATM & Card Operations Specialist

Senior ATM and Card Operations Specialist role supporting critical payment processing, switching and self-service platforms in Nea Ionia, Athens, on a hybrid basis.

Position overview

Our client is seeking an experienced Senior ATM & Card Operations Specialist to support the operation, availability and continuous evolution of payment processing, APS, self-service channels and switching platforms.

The role combines an understanding of the end-to-end card transaction lifecycle with technical and operational experience in critical payment environments. You will work across IT, Cards, business teams and external vendors to support reliable day-to-day operations, platform enhancements, incident resolution and technology projects.

Direct ATM experience is considered an advantage but is not a prerequisite.

Key responsibilities

• Ensure the availability, stability and performance of APS, self-service, switching and related payment platforms.
• Support end-to-end card transaction processing, from initiation through authentication and authorisation.
• Support POS/card transaction and interbank/card scheme processing environments, including Mastercard, DIAS or equivalent.
• Monitor platform performance, investigate incidents and coordinate resolution with technical teams and vendors.
• Support configurations, releases, upgrades, deployments and production changes.
• Participate in Incident, Problem, Change and Release Management activities.
• Contribute to disaster recovery, business continuity and high-availability activities.
• Support the implementation and enhancement of payment and self-service solutions.
• Coordinate technical activities with vendors, payment providers and other third parties.
• Support alignment with PCI-DSS, vulnerability management and secure system administration requirements.
• Contribute to modernisation, automation and continuous improvement initiatives.
• Collaborate with Cards, Infrastructure, Information Security, Digital Banking, Networks and business stakeholders.

What they need from you

• Bachelor’s degree in Computer Science, Information Technology, Computer Engineering or a related discipline
• Minimum 5 years’ relevant experience in payment systems, card processing, switching, electronic banking, APS, self-service channels or a comparable technical environment
• Strong understanding of card transaction processing and the end-to-end transaction lifecycle
• Experience with POS/payment environments and card or interbank transaction flows
• Experience with APS, self-service channels and/or switching platforms
• Experience supporting critical production systems, including incident resolution, deployments, monitoring and service availability
• Good understanding of systems and infrastructure environments, databases and networking fundamentals
• Understanding of payment security and compliance requirements, including PCI-DSS
• Strong technical ownership, accountability and stakeholder management skills
• Strong analytical, structured problem-solving and decision-making skills
• Ability to manage multiple priorities and critical incidents effectively
• Strong collaboration skills and a service-oriented mindset