Mainframe Developer

Description

We are seeking a highly skilled and experienced Mainframe Developer to join our team. The successful candidate will be responsible for designing, developing, and maintaining critical mainframe applications, contributing to the stability and efficiency of our core IT systems.

Job Responsibilities:

• Design, code, test, and debug mainframe applications using various Computer Languages and Advanced Coding techniques.
• Collaborate with cross-functional teams using Agile Methodology to define, design, and ship new features.
• Develop and maintain Coding IT Applications, ensuring adherence to best practices and coding standards.
• Implement and manage Databasing solutions within the mainframe environment.
• Apply Computer Program Design Techniques to create robust, scalable, and secure software solutions.
• Participate in the full Software Development lifecycle, from requirements gathering to deployment and support.
• Assist in the integration of mainframe systems with Web Applications where applicable.
• Troubleshoot and resolve production issues in a timely and efficient manner.
• Document technical specifications, program logic, and operational procedures.
• On Call support is required.
• Unable to provide international relocation

Job Qualifications:

• Proven experience as a Mainframe Developer with strong Advanced Coding skills.
• Solid understanding and practical experience with Agile Methodology.
• Expert proficiency in various Computer Languages relevant to mainframe development (e.g., COBOL. PL/I, JCL, DB2, IMS, VM/MVS, TSO, VSAM, IWS, SPUFI, File Manager (FM), Fault Analyzer (FA).
• Additionally, hands on experience with GitHub Actions (preferred but will consider similar tools), Jira (preferred but will consider similar tools), IDz (or similar IDE tools), IBM Connect Direct, MFTP, zOS Connect.
• Demonstrated ability in Coding IT Applications and implementing effective solutions.
• In-depth knowledge of Computer Program Design Techniques and principles.
• Extensive experience with Databasing concepts and technologies within a mainframe context.
• Strong background in Software Development lifecycle and methodologies.
• Familiarity with Web Applications and integration concepts is a plus.

Minimum Qualifications:

• At least 7 years' experience in mainframe development (e.g., COBOL, PL/I, JCL, DB2 databases, IMS databases, MVS, TSO, VSAM, IWS, SPUFI, File Manager, Fault Analyzer, IMS Online region).
• Additionally, demonstrated experience/knowledge of GitHub/GitHub Actions (or similar tools), Jira/ADO (or similar tools, IDz (or similar IDE tools), IBM Connect Direct, MFTP, zOS Connect.
• Hands on experience supporting web operations, network, server infrastructure, most notably across multiple geographically distributed data centers
• Proven understanding of security, efficient code reuse, and software design
• Practical experience with various development methodologies (e.g. Agile, Scrum, Iterative, Waterfall, etc.)
• Preferred Qualifications:
• A Bachelor's degree in Computer Science or other relevant technical field
• Demonstrated experience working with object-oriented programming (OOP) and design principles
• Proven track record of designing and building complex business solutions
• On Call support is required.

• Unable to provide international relocation

Skills/Abilities

• Expert knowledge of maintaining and debugging live software systems.
• Expert knowledge of writing program documentation.
• In-depth technical knowledge of the current hardware.
• Expert knowledge of used operating systems.
• Expert knowledge of standard development tools.
• Expert knowledge of networking technologies from the programmers perspective.
• Providing advice, training and technical support for various projects.
• Experience and ability to teach or instruct co-workers.
• Possess excellent communication skills, with an emphasis on verbal and written communication.
• Ability to optimize the performance of code.
• Ability to document what you have done
• Understands code quality analysis results and remediation mechanisms
• Understands security risks for applications and code remediation techniques

Hybrid:

This role is categorized as Hybrid. This means the successful candidate is expected to report to GM offices in Limerick or Dublin 3 days per week, at minimum.

About GM

Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.

Why Join Us

We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.

Total Rewards | Benefits Overview

From day one, we're looking out for your well-being-at work and at home-so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources.

Non-Discrimination and Equal Employment Opportunities (U.S.)

General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.

All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws.

We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.

Accommodations

General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us [email protected] or call us at 800-865-7580. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Client-provided location(s): Dublin, Ireland, Luimneach, Ireland

Job ID: General_Motors-JR-202521875

Employment Type: FULL_TIME

Posted: 2025-12-03T00:12:15