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Senior Platform Engineer



Software Engineering
O'Fallon, IL, USA
Posted on Friday, May 24, 2024

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.

Title and Summary

Senior Platform Engineer


As a member of the Software Defined Networking team, you will own and deliver the operational support to bring our network to the next level. As a "militantly automated" team, we work in source control and let pipelines drive our work. We believe in configuration modeling and defining standards via automation so the tooling can do the heavy lifting for us. You will participate on a high performing team that designs, builds, and runs world-class and leading-edge networking technology that enables our private cloud.


* Responsible for day to day operation of the Network as a Service product including DevOps, infrastructure changes, monitoring, and hands on duties
* Work closely with our customers to quickly identify and resolve issues
* Maintain our library of system support run books
* Represent our team across the enterprise as we play our part in building new data centers
* Work with partners and external vendors to ensure all platform needs are addressed
* Work across internal IT teams to untangle complex issues
* Collaborate with other software / platform engineers within our team to improve our build / run posture.
* Manage system configurations and infrastructure using tools such as Chef, Jenkins and Terraform
* Build utilities to reduce toil and streamline platform maintenance

All About You

* Is familiar with supporting complex systems
* Hands on experience with CI/CD topics and development methodologies including pipelines, pull requests, git, command line, etc
* Displays willingness and aptitude to learn
* Has a proven ability to work under pressure and meet deadlines
* Can produce quality technical documentation
* Has good communication skills and is eager to work on an awesome team
* Has an interest in building Software Engineering skills
* Familiar with programming languages like Go or Python

In the US, Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. If you require accommodations or assistance to complete the online application process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance), flexible spending account and health savings account, paid leaves (including 16 weeks new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 10 annual paid U.S. observed holidays, 401k with a best-in-class company match, deferred compensation for eligible roles, fitness reimbursement or on-site fitness facilities, eligibility for tuition reimbursement, gender-inclusive benefits and many more.

Pay Ranges

O'Fallon, Missouri: $94,000 - $157,000 USD