Manager, Site Reliability Engineering

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Manager, Site Reliability Engineering About Mastercard Mastercard is a global technology company in the payments industry, dedicated to enabling an inclusive digital economy that benefits everyone, everywhere. By making transactions safe, simple, smart, and accessible, we empower individuals, financial institutions, governments, and businesses to reach their full potential. Our culture is driven by our Decency Quotient (DQ), which shapes how we work both internally and externally. Operating across more than 210 countries and territories, we are committed to building a sustainable world that unlocks priceless possibilities for all. About Vocalink (a Mastercard Company) Vocalink powers the UK’s critical payment infrastructure, including real-time payments, settlement systems, direct debits, and a nationwide ATM network of nearly 60,000 machines. Our systems process: • Over 90% of UK salaries • More than 70% of household bills • Almost all state benefit payments Joining Vocalink means contributing to systems that millions rely on daily.

We are seeking a Manager, Site Reliability Engineer to support the Production Manager in overseeing a team of individual contributors who support the Card Transaction Services and Faster Payment Services. This role combines line management responsibilities and hands-on technical support. The post holder will be accountable for both the successful delivery of technical outcomes and the leadership, development and wellbeing of a team of engineers. Success in the role requires technical expertise within BASE24 alongside proven people leadership, coaching and stakeholder management skills.

Alongside technical delivery responsibilities, this role includes direct people management of a small team of engineers which you will: • Provide day-to-day leadership, coaching and support to team members. • Support recruitment activities, including interviewing, selection and onboarding of new team members. • Promote employee engagement, wellbeing and retention. • Support succession planning and talent development within the team. • Act as an escalation point for people-related matters and work closely with HR and senior leadership when required. • Support and contribute to continuous improvement BASE24 Experience Experience with BASE24 is ideal and related technologies in a live production environment is highly desirable, including: • HP NonStop systems • Pathway, GoldenGate, and electronic file transfer tools • TACL, TAL, COBOL, SQL (Enscribe), Enform • TACL scripting • ATM Driving • Card authentication, authorization, and EMV standards • Protocols and standards such as ISO8583 and LIS5 • HSMs, cryptology and TLS Additional Responsibilities • Drive innovation in production support, identifying opportunities to improve efficiency through automation and tooling • Contribute to the production support strategy and roadmap, including technology selection • Collaborate with stakeholders to design and implement effective solutions • Investigate production issues and perform root cause analysis Skills & Experience • Strong communication, organisation, and time management skills • Proven ability to troubleshoot complex systems under pressure • Experience in 24/7 support role • Experience in financial services or payments environments • Understanding of ITIL practices, change, and release management