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Job Title
Enterprise IT Architect
About 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 integrations
Serve as the primary senior technical contact for client, handling complex queries, escalations, and design discussions
Lead 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 processing
Design and govern distributed?to?mainframe integrations, including APIs and middleware.



Review and approve technical changes, enhancements, and release plans to ensure system stability
Mentor Advisor? and Engineer?level team members, providing technical leadership and guidance
Work closely with product owners, operations, infrastructure, and vendor teams to ensure seamless delivery
Ensure systems meet 24×7 availability, performance, and security requirements
Contribute to continuous improvement initiatives focused on resilience, automation, and technical debt reduction
Experience You'll Need To Have
Extensive experience with VisionPLUS in a cards and payments processing environment
Deep understanding of card lifecycle processing, including authorisation, clearing, settlement, billing, and disputes
Strong 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 systems
Strong background in production support, complex incident management, and root?cause analysis in 24×7 environments
Ability to balance architectural ownership with hands?on execution when required
Fluent Italian and English (spoken and written)
Willingness to participate in out?of?hours (OOH) support for critical incidents
Experience That Would Be Great To Have




Experience acting as a solution or system architect for large?scale payment platforms
Strong knowledge of VisionPLUS modules and vendor roadmaps
Familiarity with CICS tuning, DB2 optimisation, and batch/online workload balancing
Knowledge of Swagger / OpenAPI standards and API governance
Experience operating within ITIL?aligned incident, problem, and change management frameworks
Track record of supporting strategic, high?revenue clients with strict SLA commitments
Experience driving resilience, high availability, and disaster recovery strategies
Salary starting at €77,670 - negotiable depending on experience
Thank You For Considering Employment With Fiserv. Please
Apply using your legal name
Complete 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.
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📌 Enterprise It Architect (Milano)
🏢 Fiserv
📍 Milano