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Full time
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Lead Site Reliability Engineer

MastercardDunstable, England🇬🇧United KingdomPosted 16 Jul 2026

Why This Role Stands Out

As a Lead Site Reliability Engineer at Mastercard, you'll drive critical improvements for a global payment platform, leveraging your ITIL and production engineering expertise to enhance client experiences and build a proactive support culture. This hybrid role offers a fantastic opportunity to develop your leadership skills and contribute to a company shaping the future of commerce, so we encourage you to apply!

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Lead Site Reliability Engineer | Dunstable, England, United Kingdom | Hybrid We're hiring on behalf of a globally recognized leader in financial services and technology, dedicated to powering economies and empowering individuals across more than 200 countries. This organization is committed to building a sustainable economy where everyone can prosper by providing secure, simple, smart, and accessible digital payment choices. The Role • Provide leadership and guidance in advancing client experience for software sales solutions. • Enhance response to critical issues and foster a proactive service improvement mindset within the team. • Act as a production readiness steward, partnering with developers to build, implement, and support technology services. • Ensure operational criteria such as system availability, capacity, performance, monitoring, and automation are integrated throughout the delivery process. • Lead Site Reliability Engineering (SRE) transformation through tooling and advocacy for change and standards. • Drive process improvements and increase alignment with established business operations guild processes. What You'll Need • Bachelor's or Master's degree in Computer Science or equivalent experience. • Proven experience leading global support teams for applications within high-volume, critical infrastructure. • Strong systematic problem-solving approach with excellent communication and a sense of ownership. • Extensive experience with ITIL methodology, vendor management, and stakeholder engagement. • Experience in the software development lifecycle, live support, performance management, and testing practices. • Experience communicating with and preparing communications for external consumption, given the critical national infrastructure aspect of solutions. • Experience with Erlang is desirable. What's On Offer • Opportunity to work with a global team across multiple geographies and time zones. • Contribute to the SRE transformation within a leading financial technology organization. • Develop and implement cutting-edge solutions for a global client base. • Engage in crucial problem management, root cause analysis, and remediation activities. Apply via Haystack today!

Skills

Erlang

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