Lead Software Engineer - IBM mainframe

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 Software Engineer - IBM mainframe

About the Role

We invite applications from skilled Mainframe Assembler Engineers to oversee the maintenance and ongoing development of the PiNet Batch solution—a vital peer-to-peer file transfer system integral to data centers within the Danish financial sector. This solution underpins clearing and payment services and operates solely on IBM mainframe platforms.

Responsibilities
* Maintain and enhance the PiNet Batch client software and codebase.
* Implement and validate modifications in Assembler code.
* Deliver support and comprehensive documentation for sector participants
* Facilitate the annual exchange of cryptographic keys (DKMS).
* Conduct DBA tasks related to DBIO and PiNet Batch.
* Coordinate sector-wide activities and address risks associated with legacy systems.
* Aid across other mainframe areas – support and development.

Qualifications
* Extensive experience with IBM mainframe environments (ISPF/TSO, JES).
* Advanced proficiency in Assembler programming, particularly in maintaining Panels and Batch processes.
* In-depth knowledge of COBOL programming.
* Familiarity with REXX and the interface between Batch and transport layers.
* Proven experience with cryptographic key procedures and security protocols.
* Proficiency with ConnectDirect or IBM Sterling Integrator.
* Excellent command of English, both written and spoken.

Personal Attributes
* A methodical and analytical approach to managing legacy systems and risk evaluation.
* Demonstrated ability to collaborate effectively across teams and organizational sectors.
* Proactive in documentation, communication, and upholding governance standards.

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.