{"id":35353,"url":"https://alion.io/job/mastercard-lead-java-software-development-engineer","title":"Lead Mainframe Engineer","company":{"id":252,"name":"Mastercard","domain":"mastercard.com","url":"https://alion.io/company/mastercard","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":94,"open_postings":254,"ghost_share":0.016,"stale_share":0.358,"repost_share":0.094,"time_to_fill_p50_days":21,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Copenhagen, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CICS","optional":false},{"name":"COBOL","optional":false},{"name":"Db2","optional":false},{"name":"IMS","optional":false},{"name":"JCL","optional":false}],"status":"live","first_seen_at":"2026-08-02T00:00:00Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-17T03:51:18Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":76},"description":"Our Purpose\nMastercard 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.\nTitle and Summary\nLead Mainframe EngineerAbout MastercardAt 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.\nOur 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.\n________________________________________\nRole Overview\nAs 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.\nThis 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.\n________________________________________\nKey Responsibilities\nDesign, develop, and maintain enterprise-grade mainframe applications and services that support mission-critical business processes.\nLead technical design and architecture discussions for complex mainframe solutions and integrations.\nSupport the full software lifecycle, including analysis, design, development, testing, deployment, and production support.\nDevelop and maintain solutions using technologies such as COBOL, JCL, CICS, IMS, DB2, MQ, and related mainframe technologies.\nTake ownership of end-to-end delivery, from requirements through implementation and ongoing operation.\nTroubleshoot and resolve production issues while ensuring high availability, performance, and operational stability.\nCollaborate with distributed systems, platform, infrastructure, product, and business teams to deliver integrated solutions.\nImprove automation, monitoring, resilience, performance, and operational efficiency across the mainframe environment.\nEnsure compliance with security, audit, and regulatory requirements.\n________________________________________\nLeadership Expectations\nLead, coach, and develop a team of engineers through regular one-on-ones, performance discussions, career development planning, and continuous feedback.\nProvide technical leadership, mentorship, and guidance to engineers across the team.\nFoster a collaborative, inclusive, and high-performing culture that promotes innovation, accountability, and continuous learning.\nSet clear goals and expectations and support team members in achieving their professional growth objectives.\nSupport hiring, onboarding, talent development, succession planning, and workforce planning activities.\nDrive engineering excellence and promote best practices in software development, testing, operational support, and continuous improvement.\nInfluence strategic technology decisions and contribute to Mastercard's mainframe modernization roadmap.\nPartner with senior leaders and stakeholders to align technology initiatives with business objectives.\nLead incident resolution and root cause analysis for critical production events.\n________________________________________\nSkills and Experience\nStrong experience developing, maintaining, and supporting enterprise mainframe applications.\nDeep knowledge of z/OS and associated technologies, including COBOL, JCL, CICS, IMS, DB2, MQ, and TSO.\nExperience building highly available, secure, and scalable transaction-processing systems.\nStrong understanding of system architecture, integration patterns, and enterprise application design.\nExperience with performance tuning, capacity planning, resiliency, and production support processes.\nExperience leading and developing engineering teams, including people management responsibilities.\nAbility to balance technical leadership, people leadership, operational excellence, and delivery commitments.\nStrong analytical, problem-solving, communication, and stakeholder management skills in a global environment.\n________________________________________\nWhat We Offer\nThe opportunity to work on some of the world's most critical payment processing platforms.\nA collaborative, inclusive, and innovative engineering culture.\nThe ability to influence modernization initiatives that shape the future of commerce.\nCareer growth opportunities across technology domains, business units, and geographies.\nAccess to learning and professional development opportunities to continuously build your skills.\n• The opportunity to lead and develop talented engineers while driving meaningful technology outcomes.\nCorporate Security Responsibility\nAll 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:\nAbide by Mastercard’s security policies and practices;\n\nEnsure the confidentiality and integrity of the information being accessed;\n\nReport any suspected information security violation or breach, and\n\nComplete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.","description_format":"text","description_chars":6037,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Growth opportunities","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cards & Card Issuing","Payment Processing & 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