Jobs / Denmark / Mastercard International Incorporated
Lead Mainframe Engineer
Mastercard International Incorporated · 🌍 Copenhagen, Denmark (Arne Jacobsens)
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Sponsor Radar — Mastercard International Incorporated
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About the role
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 Lead Mainframe Engineer About Mastercard At Mastercard, we work to connect and power an inclusive digital economy that benefits everyone, everywhere. We make transactions safe, simple, smart, and accessible through secure technology, partnerships, and innovation. Our engineering teams build and operate the critical platforms that power national commerce. We are seeking a highly skilled and motivated Lead Mainframe Engineer to help modernize, enhance, and support the core systems. ________________________________________ Role Overview As a Lead Mainframe Engineer, you will play a critical role in designing, developing, and maintaining high-performance mainframe solutions that support Mastercard's payment ecosystem. You will serve as both a technical and people leader, ensuring the reliability, scalability, security, and operational excellence of critical business applications and infrastructure. This is a hands-on leadership role with significant influence on architecture, modernization initiatives, engineering practices, talent development, and delivery outcomes. In addition to providing technical leadership, you will be responsible for leading and developing a team of engineers, fostering a high-performance culture, and ensuring successful delivery of business and technology objectives. ________________________________________ Key Responsibilities • Design, develop, and maintain enterprise-grade mainframe applications and services that support mission-critical business processes. • Lead technical design and architecture discussions for complex mainframe solutions and integrations. • Support the full software lifecycle, including analysis, design, development, testing, deployment, and production support. • Develop and maintain solutions using technologies such as COBOL, JCL, CICS, IMS, DB2, MQ, and related mainframe technologies. • Take ownership of end-to-end delivery, from requirements through implementation and ongoing operation. • Troubleshoot and resolve production issues while ensuring high availability, performance, and operational stability. • Collaborate with distributed systems, platform, infrastructure, product, and business teams to deliver integrated solutions. • Improve automation, monitoring, resilience, performance, and operational efficiency across the mainframe environment. • Ensure compliance with security, audit, and regulatory requirements. ________________________________________ Leadership Expectations • Lead, coach, and develop a team of engineers through regular one-on-ones, performance discussions, career development planning, and continuous feedback. • Provide technical leadership, mentorship, and guidance to engineers across the team. • Foster a collaborative, inclusive, and high-performing culture that promotes innovation, accountability, and continuous learning. • Set clear goals and expectations and support team members in achieving their professional growth objectives. • Support hiring, onboarding, talent development, succession planning, and workforce planning activities. • Drive engineering excellence and promote best practices in software development, testing, operational support, and continuous improvement. • Influence strategic technology decisions and contribute to Masterca