Senior Platform Engineer

Title and Summary Senior Platform Engineer Overview Mastercard is seeking a Senior Platform Engineer within the Platform Operations team, part of the Technology organization, to support and evolve internal Generative AI (GenAI) platforms and productivity tools. This role focuses on enabling secure, scalable, and governed adoption of GenAI capabilities across the enterprise. You will work closely with platform leads, vendor product groups, and third-party partners to deliver reliable GenAI services, connectors, and tools for internal users. We are looking for someone with a strong passion for Generative AI, data security, and data privacy, along with the ability to operate in a highly collaborative, fast‑evolving technical environment. This is a hybrid role based in Arlington, VA, requiring three days per week onsite. Role Support and enhance Mastercard's internal GenAI platforms, connectors, and tools. Partner with GPT platform leads, vendor product teams, and external providers to deliver platform capabilities. Drive GenAI technology adoption across internal user groups. Support change management efforts and internal communication initiatives related to GenAI tools. Develop and document use cases for GenAI‑enabled productivity solutions. Contribute to platform administration, governance, and operational support. Ensure secure and compliant use of GenAI technologies across the enterprise. Collaborate with cross‑functional teams to improve user experience and platform reliability. All About You Previous experience in platform engineering, cloud engineering, IT engineering, or enterprise systems support. Strong understanding of Large Language Models (LLMs) and underlying GenAI technologies/tools. Experience with enterprise GenAI tools such as ChatGPT Enterprise and Claude Enterprise, including administration and support functions. Experience with Microsoft365 Admin Center. Strong knowledge of Microsoft Entra ID, security groups, and PIM roles. Experience with Microsoft Power Platform administration. Hands‑on experience building workflows using Microsoft Power Automate. Experience developing agents using Microsoft Copilot Studio and M365 Copilot Agent Builder. Moderate expertise in data security and governance, particularly in the context of GenAI platforms. Ability to clearly document use cases and explain technical concepts in a simple, structured manner. Excellent communication and stakeholder management skills, with the ability to influence both technical and non‑technical audiences. Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related technical field (or equivalent practical experience). Corporate Security Responsibility 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. Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines. Equal Opportunity / Employment Mastercard is a merit‑based, inclusive, equal 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. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on click.appcast.io 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. Pay Ranges Arlington, Virginia: $110,000 - $187,000 USD #J-18808-Ljbffr MasterCard