Mainframe Platform Engineering Manager

General Motors; Limerick; Hybrid; EUR 120,000 - 160,000; Full time

Job summary

General Motors in Limerick, Ireland, seeks a Platform Engineering Manager for the Mainframe Platform team. You will lead, design, and maintain mainframe systems aligned with business goals, driving performance and reliability while guiding a skilled engineering group.

You will collaborate across functions, report on progress, and stay ahead with emerging mainframe technologies, ensuring sustainability and continuous improvement in a hybrid work setup.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, IT or a related field.
• 10+ years of engineering experience with at least 3 years in a leadership role.
• Proactive and strategic mindset with ability to address challenges.
• Proven track record of delivering complex engineering projects.
• Strong understanding of SDLC and agile methodologies.
• Excellent problem-solving, analytical, and decision-making skills.

Responsibilities

• Lead and manage the Mainframe Platform engineering team to deliver high-quality, reliable, and scalable solutions.
• Oversee design, development, and maintenance of mainframe systems and applications.
• Collaborate with cross-functional teams to implement platform strategies aligned with KSIs and KPIs.
• Drive continuous improvement to enhance platform performance, security, and reliability.
• Mentor and develop team members to ensure future talent and innovation.

Skills

Leadership

SDLC & Agile

Problem solving

Communication

Team collaboration

Education

Bachelor’s degree in Computer Science, Engineering, IT

Tools

IBM z/OS internals

SMP/E

JES2/JES3

z/OSMF

RMF

CICS/IMS/DASD/DFSMS

Job description

Job Description

Mainframe Systems & Services is a leading innovator in Mainframe Platform Engineering, committed to delivering cutting‑edge solutions and exceptional reliability to our 100+ tenant applications. We are seeking a highly skilled and experienced Platform Engineering Manager to lead our Mainframe Platform team in Limerick, which plays a vital role being part of our overall global platform engineering team.

What You’ll Do:

• Lead and manage the Mainframe Platform engineering team, ensuring the delivery of high-quality, reliable, and scalable solutions.
• Oversee the design, development, and maintenance of mainframe systems and applications.
• Collaborate with cross‑functional teams to define and implement platform strategies, ensuring alignment with business goals which achieve our defined KSIs and KPIs.
• Drive continuous improvement initiatives to enhance platform performance, security, and reliability to achieve in maximum platform availability.
• Mentor and develop team members, fostering a culture of innovation, collaboration, and excellence which ensure future sustainability of the mainframe platform with new talent development.
• Manage project timelines, budgets, and resources effectively using GM IT tools with an expectation for comprehensive and ongoing management reporting.
• Stay current with industry trends and emerging technologies to ensure the platform remains competitive and up-to-date such as IBM Znext, AI Capabilities, OpenSource advantages, and alternative solutioning options supporting enhanced development productivity.
• Deep technical knowledge and hands‑on experience related to engineering platforms. Demonstrated success in leading digital transformation initiatives.
• Ability to lead and inspire a team of engineers, driving innovation and excellence.
• Strong project management skills, with the ability to manage multiple priorities and deadlines.
• Experience in working with stakeholders at all levels of the organization.

Your Skills & Abilities (Required Qualifications)

• Bachelor's degree in Computer Science, Engineering, IT or a related field.
• 10+ years of experience in engineering, with at least 3 years in a leadership role.
• Exhibits a proactive and strategic mindset, with the ability to anticipate and address challenges.
• Proven track record of managing and delivering complex engineering projects.
• Strong understanding of software development lifecycle (SDLC) and agile methodologies.
• Excellent problem‑solving, analytical, and decision‑making skills.
• Fosters a collaborative and inclusive team environment with a commitment to continuous learning and professional development.
• Exceptional communication for executive reporting and interpersonal skills for team motivation.

Technical Expertise (Must Have)

• Expert knowledge of IBM z/OS internals
• System IPL, PARMLIB, PROCLIB, SYSRES and system initialization
• SMP/E software installation, maintenance, RSU and product lifecycle management
• JES2/JES3 architecture and operations
• RACF security administration and auditing
• z/OSMF and modern mainframe management tooling
• WLM, RMF, SMF and performance management
• USS/OMVS administration
• Sysplex, Coupling Facility and GDPS concepts
• Storage, DASD, Catalogs and DFSMS
• Problem determination and root cause analysis
• Disaster Recovery and Business Continuity planning
• IBM MQ, Db2, CICS and IMS infrastructure knowledge
• REXX, CLIST, JCL and automation development
• Capacity planning and availability engineering

What Can give You a Competitive Advantage (Preferred Qualifications)

• Expertise in platform engineering technologies service offerings and capabilities.
• Knowledge of modern software development lifecycle tools and practices, including DevOps, CI/CD pipelines, and automated testing.
• Awareness of platform security best practices and compliance requirements.
• Familiarity with cloud integration and hybrid environments is a plus.
• Demonstrable strong working knowledge coupled with experience across multiple layers of the full tech stack engineering landscape is an advantage.

Hybrid

This role is categorized as hybrid. This means the successful candidate is expected to report to our Dublin/ Limerick office three times per week, at minimum [or other frequency dictated by the business]

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.

Non-Discrimination and Equal Employment Opportunities

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.

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 or call us at 1-800-865-7580. 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.