Mastercard Jobs

Job Information

MasterCard Lead, Information Security Engineer in O'Fallon, Missouri

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

Lead, Information Security Engineer

Mastercard is seeking candidates to join our Security Engineering team in St Louis to provide support for the Finicity program in the Open Banking segment.

This program exists to develop the next generation of products, services and solutions at scale to support and enable consumers to securely, efficiently and intelligently conduct transactions within Open Banking.

• Can you demonstrate a high level of expertise in information security and secure development disciplines?

• Can you provide detailed guidance on the securely implement systems in public cloud environments?

• Can you advise development teams on how to securely design applications and services following industry best practices and enhance existing approaches to security engineering?

• Have you performed security analysis of web applications and web services and understand the threats, attacks and risks to payment applications?

• Can you analyze an application architecture to reduce the security risk to an acceptable level, while still providing beneficial functionality for the end user?


• Provide secure design and architecture advice to internal teams on how to securely develop and build applications and supporting systems

• Define secure mechanisms for critical business functions in cloud and on-premise environments

• Work closely with developers and evaluate business requests and proposed designs to determine feasibility; work with software development teams to define alternatives and recommend optimal solutions to meet security and regulatory requirements in the design of new enhanced systems

• Leverage security experience and knowledge within the mobile and digital commerce arena to cultivate and maintain effective working relationships with a variety of internal MasterCard stakeholders, including business owners, end-users, customers, project managers, engineers, and senior management

• Define security requirements and guidelines to ensure repeatable processes are followed by worldwide teams

• Assist in the strategy, standards, and architecture for the security aspects of the SDLC including application, mobile, web service, DevOps, cloud, and CICD efforts

• You will be an active and critical participant in the design and implementation of the various Finicity initiatives including guiding them through Mastercard integration

All About You

• Interest in working closely with application / software engineering teams to provide guidance on security design and coding

• Demonstrate a broad awareness of security engineering concepts and practices across all phases of the software development lifecycle

• Experience providing security architecture advice for web based network environments and secure communication, including mobile applications, web applications and web services

• Knowledge and technical security experience in cryptography, including several of the following encryption, hashing, key management, digital certificates, mTLS

• Experience of continuous delivery continuous integration processes and procedures including critical security considerations in automated workflows

• Technical experience with Java or similar enterprise programming language, especially related to secure coding best practices

• Demonstrate technical competency in security engineering based on hands-on experience or relevant qualifications

• Working knowledge and technical security experience with Unix/Linux environments

• Strong verbal and written communication skills

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.

NYC Salary Range: $164,400 - $255,600

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-175632