Calling all innovators – find your future at Fiserv.We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.Job TitleEnterprise IT ArchitectAbout your role:You will act as the technical authority and solution architect for Italian client card and payment systems while also serving as the front‑line technical lead for the client. This role blends strategic system design, architectural governance, and deep hands‑on support, ensuring all technical queries, incidents, and enhancements are handled effectively and with minimal business impact.You will own the end‑to‑end technical landscape, guide design decisions, and lead complex problem resolution, while maintaining close day‑to‑day engagement with client stakeholders. This role is critical to ensuring platform resilience, regulatory compliance, and the continued success of a high‑revenue, mission‑critical client.What you’ll do:Act as the overall technical architect for the VisionPLUS card processing platform and its integrationsServe as the primary senior technical contact for client, handling complex queries, escalations, and design discussionsLead major incident management, including deep‑dive diagnostics, cross‑team coordination, and root‑cause analysis. Provide hands‑on support for critical production issues across online and batch processingDesign and govern distributed‑to‑mainframe integrations, including APIs and middleware. Review and approve technical changes, enhancements, and release plans to ensure system stabilityMentor Advisor‑ and Engineer‑level team members, providing technical leadership and guidanceWork closely with product owners, operations, infrastructure, and vendor teams to ensure seamless deliveryEnsure systems meet 24×7 availability, performance, and security requirementsContribute to continuous improvement initiatives focused on resilience, automation, and technical debt reductionExperience you’ll need to have:Extensive experience with VisionPLUS in a cards and payments processing environmentDeep understanding of card lifecycle processing, including authorisation, clearing, settlement, billing, and disputesStrong hands‑on expertise with mainframe technologies, including: CICS (online transaction processing). DB2 (schema design, performance analysis, and data troubleshooting)Proven experience designing and supporting API‑based and event‑driven integrations with mainframe systemsStrong background in production support, complex incident management, and root‑cause analysis in 24×7 environmentsAbility to balance architectural ownership with hands‑on execution when requiredFluent Italian and English (spoken and written)Willingness to participate in out‑of‑hours (OOH) support for critical incidentsExperience that would be great to have:Experience acting as a solution or system architect for large‑scale payment platformsStrong knowledge of VisionPLUS modules and vendor roadmapsFamiliarity with CICS tuning, DB2 optimisation, and batch/online workload balancingKnowledge of Swagger / OpenAPI standards and API governanceExperience operating within ITIL‑aligned incident, problem, and change management frameworksTrack record of supporting strategic, high‑revenue clients with strict SLA commitmentsExperience driving resilience, high availability, and disaster recovery strategiesSalary starting at €77,670 - negotiable depending on experience#LI-SV1Thank you for considering employment with Fiserv. Please:Apply using your legal nameComplete the step-by-step profile and attach your resume (either is acceptable, both are preferable).Our commitment to Diversity and Inclusion:Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. Note to agencies:Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.Warning about fake job posts:Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.