Lead Site Reliability Engineer
MastercardDunstable, England (Vocalink)Posted 3 April 2026
Job Description
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
Lead Site Reliability Engineer
Mastercard Software Sales Business Operations (BizOps)Team is seeking a hands-on Business Operations Lead to assist with managing existing software sale clients. The team is responsible for the applications in our New Payment Platform solution for a global client base.
This individual will use their Production Engineering knowledge to guide the team in advancing the experience of our clients in the post code development activities and interactions. The successful candidate will help to raise the bar on both our response to critical issues and build out a proactive mindset in the team to constantly improve our service offering. The successful candidate will also have significant experience in the ITIL methodology. They will have extensive experience in vendor management and have faced off to senior stakeholders both internally to their firm, but also externally to other corporate clients.
Due to the “critical national infrastructure” aspect of the delivered solutions, experience communicating with / preparing communication for external consumption would be a significant advantage in this role.
This individual will have experience in the software development lifecycle, live support and knowledge of performance management and testing practices.
Mission
The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the Site Reliability Engineering (SRE) transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations.
We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders.
Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications.
Responsibilities
• Plan, design and develop technical solutions and alternatives to meet business requirements in adherence with MasterCard standards, processes, and best practices.
• Help to drive training and knowledge management on applications/client specifics and best practices of incid ... (truncated, view full listing at source)
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