Senior Platform Engineer

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 and 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
Senior Platform Engineer
Role Overview
The Customer Network Engineering team is seeking an accomplished Senior Platform Engineer to advance our customer experience strategy through innovation, engineering excellence, and continuous optimization. This role is critical to the design, delivery, and operation of MasterCard's mission critical global network infrastructure, ensuring secure, resilient, and uninterrupted payment services worldwide. The successful candidate will play a key role in enabling MasterCard's growth, innovation, and reliability objectives by delivering high availability, low latency network platforms at global scale.
Key Responsibilities• Design, implement, and operate high availability, low latency network infrastructures across enterprise and global environments.• Own the end to end delivery of network infrastructure initiatives, ensuring alignment with agreed SLAs, timelines, budgets, and risk tolerances.• Proactively track project milestones and communicate risks, dependencies, impacts, and mitigation strategies to technical and business stakeholders.• Collaborate closely with cross functional teams across Infrastructure, Cloud, Security, Engineering, and Product to align network initiatives with broader technology and business strategies.• Apply disciplined project, change, and risk management practices, including dependency analysis, migration planning, testing strategies, and rollback procedures, to ensure operational excellence and stability.
Required Qualifications & Experience• 7+ years of experience leading complex network projects within large scale datacenter environments, preferably in the financial services industry.• Strong hands on experience with TCP/IP communications and advanced network troubleshooting.• Good understanding in Layer 2, layer 3 networking, including BGP, MPLS, EIGRP, LAN, WAN, SDWAN, MACSec• Proven ability to troubleshoot and resolve complex network connectivity issues in business critical environments.• Exposure to cloud networking across platforms such as AWS, Azure, and GCP.• Strong documentation skills, including the creation of SOPs, architectural diagrams, and technical runbooks.• Fluency in English, with excellent written and verbal communication skills.• Willingness and ability to work on site three days per week.
Preferred Qualifications (Nice to Have)• Professional certifications such as PMP, ITIL, or vendor specific certifications (e.g., Cisco, Fortinet).• Experience with hybrid and cloud networking architectures, including AWS, Azure, GCP, and technologies such as PrivateLink.• Proficiency in French.• Strong experience using Atlassian tools, particularly Confluence, for technical documentation and collaboration.• Familiarity with automation tools, including gluware or ansible for network automation and orchestration.• AI & intelligent automation exposure• Ability to develop or modify scripts to automate tasks, monitor systems, or streamline processes
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.