Mastercard Jobs

Job Information

MasterCard Sr. Principal Cloud Network Architect 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

Sr. Principal Cloud Network Architect

As Senior Principal, Network Architecture, you will serve as the primary focal point for best practices and expertise in architecting, documenting, designing, and delivering world-class cloud-based network topologies that seamlessly interconnect with Mastercard's data center and global backbone. In addition to architecting new solutions, you will also drive dissemination of knowledge and best practices across our global engineering and operations teams ensuring that all solutions are sustainable across the enterprise.


  • Oversees the design and evolution of Mastercard's network architecture including developing and approving creative solutions to drive innovation in support of Mastercard's business strategies

  • Drives efforts to optimize network performance by growing and modifying existing networks, leveraging new and emerging technologies in support of application services

  • Oversees Mastercard's network security to ensure optimal network safeguard processes are in place and operational networks are running efficiently for hosted production systems

  • Provides thought leadership to operationalize next generation networks throughout all environments, providing technical direction to Mastercard leadership around emerging trends and integrating cutting edge technical solutions for products and services

  • Drives all process improvement initiatives to identify opportunities for automation and/or reduction in time to deployment

  • Mentors and coaches technical talent to develop deep technical expertise at an organizational level

Job Specific Experiences

  • Keen understanding of public cloud architecture, common public cloud platform components, and how various cloud platforms differ in implementation

  • Successfully led complex cross-functional network domain initiatives (i.e., network cloud connectivity), providing direction, establishing consistency, and communicating a unified network vision across Mastercard

  • Successful track record developing architectural standards within global technology domains and sub-domains, defining and implementing global quality and consistency

  • Successful track record selecting and evaluating new network technology that will adhere to innovative industry trends and practices

  • Acts as a network technology evangelist in Mastercard, driving adoption of innovative solutions and consulting on complex issues to future-proof operations infrastructure strategies

  • Successfully develops intellectual property to be applied to project work and shared with internal colleagues

Broadening Experiences

  • Successful track record building collaborative working relationships with internal and external stakeholders at the global, regional, or local level

  • Extensive experience growing and motivating team members, instilling a process improvement culture in junior level colleagues; coaches members through career milestones and progression

  • Extensive experience representing Mastercard as a technology evangelist at internal and external key events, often contributes to expert panels and shares best practices

COVID-19 Considerations

We value the safety of each member of our community because we know we’re all in this together. In many locations, which may change over time, we’ve implemented a virtual hiring process and continue to interview candidates by video or phone. In addition, in some locations, only individuals who have been fully vaccinated will be permitted inside Mastercard offices until further notice.

About Mastercard

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.

Requisition ID: R-131518