Senior Reliability Engineer


Our Purpose

We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion ( for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Job Title

Senior Reliability Engineer


The UK Operations SRE team within Vocalink Mastercard are looking for an experienced SRE Engineer to provide 2nd Line and 3rd Line Technical Support for UK payment services.

Ideal candidates will have expertise in support & development of robust Java/JEE applications and PL/SQL. The candidate will be expected to display a high level of technical knowledge and leadership skills.

You are a SRE specialist skilled in the cultural and technical principles & practices with experience of implementing SRE approach and associated tools within an organisation.

You have a desire to continually improve your own skills and the ability to transfer those skills to others. You look for efficiencies, optimisations, and ways to improve through automation.

Responsibilities: –

• Maintain services once they are live by measuring and monitoring availability, latency, and overall system health.

• Provide 2nd and 3rd line support. On-call support will be required on a rotational basis.

• Manages platform systems to ensure reliability and security through the support and maintenance of existing systems; develops, selects, and implements systems enhancements

• Uses working knowledge of automation design and infrastructure to determine what to automate and perform large-scale sustainable, intelligent automation in a cross-functional environment

• Ability to help debug and optimize code and automate routine tasks.

• Code development and day-to-day support duties

• Applies technical capabilities within own discipline to coach and develop junior employees

Essential Skills

• Ability to help debug and optimize code and automate routine tasks.

• Knowledge and expertise in use of RDBMS technologies

• Knowledge and expertise in use of Core Java SE and Java EE (JEE) technologies

• Knowledge and expertise in designing, executing, and analysing results of functional and non-functional test cases, including system performance tests.

• Experience in use of Web-services based on SOAP / REST, and an appreciation of RESTful Design Principles and RESTful APIs (including how to make them secure).

• Experience of working with Maven & Git

• Good knowledge of Web 2.0 front-end technologies such as JavaScript, JQuery, AJAX, CSS

• Good knowledge of Database schema design and query optimization for RDBMSs and Oracle AQ

• knowledge and expertise in use of Spring framework, including Spring Core, Spring Security, Spring-Boot and Spring MVC.

• Understanding of the ITIL framework

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’s security policies and practices;

  • Ensure the confidentiality and integrity of the information being accessed;

  • Report any suspected information security violation or breach, and

  • Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Everyone wants easier ways to pay;

we invent them.

Checkout lines are slow;

we speed them along.

Merchants want more sales;

we give them data and insights.

People need financial access;

we connect them.

Corporate purchasing is complicated;

we make it simple.

Commuters are busy;

we speed them on their way.

Governments need greater efficiencies;

we help create them.

Small businesses are virtual;

we give them access to a world of buyers.

Retailers want to fight fraud;

we provide the tools.

Requisition ID: R-189862

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