Site Reliability Engineer

Mastercard; Peterborough; On-site; GBP 50,000 - 90,000; Full time

Job summary

An innovative firm is seeking a Site Reliability Engineer to join its dynamic BizOps team. This role is pivotal in enhancing operational efficiency and driving DevOps automation. You will engage in the entire service lifecycle, ensuring system reliability and performance while collaborating with a global team. Your expertise in CI/CD tools and problem-solving will be crucial in optimizing processes and mentoring junior members. If you're passionate about automation and improving customer experiences, this opportunity offers a chance to make a significant impact in a forward-thinking environment.

Qualifications

• Experience with algorithms, data structures, and scripting.
• Strong problem-solving skills and ability to automate tasks.

Responsibilities

• Engage in and improve the entire service lifecycle.
• Support CI/CD pipelines and lead DevOps automation efforts.
• Collaborate with a global team across multiple geographies.

Skills

Problem-solving

Automation

CI/CD pipelines

Communication

Debugging

Stakeholder management

Education

BSc in Computer Science

Equivalent experience in coding

Tools

Git

Jenkins

Maven

Artifactory

Chef

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, 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

Site Reliability Engineer

The BizOps team is looking for a Site Reliability Engineer who can help us solve problems, build our CI/CD pipeline, and lead Mastercard in DevOps automation and best practices.

• Are you a born problem solver who loves to figure out how something works?
• Are you a CI/CD enthusiast who loves automation?
• Do you prefer to automate manual work whenever possible?

Business Operations is leading the DevOps transformation at Mastercard through tooling and advocating for change & standards across development, quality, release, and product organizations. We seek team members with a passion for change and pushing automation boundaries. Experience collaborating across development, operations, and product teams to prioritize needs and build relationships is essential.

Mission

The role of Business Operations is to ensure production readiness for the platform by partnering with developers to design, build, implement, and support technology services.

A Business Operations Engineer will ensure operational criteria such as system availability, capacity, performance, monitoring, self-healing, and deployment automation are embedded throughout the delivery process.

We support daily operations with a focus on triage and root cause analysis, understanding the business impact of our products. Our goal is to be proactive in development, proactively manage production and changes, and enhance customer experience and application value. Risk management, compliance, and standardization are also key focuses.

Ultimately, our role is to align product and customer priorities with operational needs, continuously reviewing our operational state and providing feedback to development teams for improvement.

Responsibilities

1. Engage in and improve the entire service lifecycle—from inception and design, through deployment, operation, and refinement.
2. Analyze ITSM activities and provide feedback on operational gaps or resiliency concerns.
3. Support services pre-launch through system design consulting, capacity planning, and launch reviews.
4. Maintain live services by monitoring availability, latency, and system health.
5. Scale systems sustainably via automation and push for reliability and velocity improvements.
6. Support CI/CD pipelines for software promotion, validation, and operational gating, leading DevOps automation efforts.
7. Practice sustainable incident response and conduct blameless postmortems.
8. Approach problem-solving holistically during production events to optimize recovery time.
9. Collaborate with a global team across multiple geographies and time zones.
10. Share knowledge and mentor junior team members.

Qualifications

• BSc in Computer Science or related field involving coding, or equivalent experience.
• Experience with algorithms, data structures, scripting, pipeline management, and software design.
• Strong problem-solving, communication, ownership, and drive.
• Ability to debug, optimize code, and automate tasks.
• Experience dealing with stakeholders and making urgent decisions.
• Preferred experience in languages such as C, C++, Java, Python, Go, Perl, or Ruby.
• Interest in large-scale distributed systems troubleshooting and design.
• Experience with industry-standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef.
• Experience designing efficient CI/CD workflows from development to production.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks carry inherent risks. Every Mastercard employee or representative must:

• Abide by security policies and practices;
• Ensure confidentiality and integrity of accessed information;
• Report security violations or breaches;
• Complete mandatory security trainings as per guidelines.