Senior Software Engineer

General Motors; Michigan; Hybrid; USD 120,000 - 150,000; Full time

Job summary

General Motors is hiring a Senior Mainframe Software Engineer to design, develop, and modernize enterprise applications on z/OS. You will work across the full SDLC with architects, analysts, and cross-functional partners to deliver secure, scalable solutions that meet GM standards.

The role emphasizes COBOL/PL/I, JCL, DB2, IMS, and MAINFRAME tooling, with exposure to AI-assisted development and DevOps practices. On-site collaboration in GM facilities is expected.

Qualifications

• Bachelor’s degree or equivalent experience in CS/IT.
• 7+ years mainframe software development experience.
• Strong hands-on COBOL, PL/I, JCL, DB2, IMS, and z/OS expertise.
• Experience with CICS, VSAM, batch processing, and production support.
• Understanding of SDLC and Agile/DevOps principles; secure design.

Responsibilities

• Develop, maintain, and modernize enterprise GM mainframe applications.
• Analyze requirements and translate them into scalable, secure designs.
• Participate in coding, testing, deployment, and production support.
• Provide technical guidance and mentoring to teammates.
• Support on-call and production incidents as needed.

Skills

COBOL

PL/I

JCL

DB2

IMS

CICS

SQL

CI/CD

Education

Bachelor’s degree in Computer Science / IT or related field

Tools

z/OS

GitHub Copilot

Cursor

OpenShift

Docker

Kubernetes

Job description

Job Description

About Software Development at General Motors

General Motors Software Development teams build and deliver innovative, sophisticated systems for GM customers, dealers, and employees around the world. Our teams include industry-leading developers, architects, and designers who use modern development methodologies and technologies to drive innovation, create business value, and deliver exceptional experiences.

About the Role

We are seeking a Senior Mainframe Software Engineer to design, develop, maintain, support, and modernize enterprise applications that enable critical GM business operations. This role will develop solutions that drive innovation and competitive advantage while ensuring the reliability, security, performance, and maintainability of GM’s systems, applications, and platforms. The Senior Mainframe Software Engineer will participate across the full software development lifecycle, from project initiation and requirements analysis through design, development, testing, deployment, production support, and continuous improvement. The role will collaborate closely with developers, architects, system analysts, business stakeholders, and other cross-functional partners to deliver high-quality solutions aligned with GM standards and requirements.

Key Responsibilities

• Develop, maintain, troubleshoot, and modernize enterprise applications using COBOL, PL/I, JCL, DB2, IMS, and related z/OS technologies.
• Analyze business and technical requirements and translate them into scalable, secure, and maintainable technical designs.
• Perform coding, unit testing, debugging, code reviews, deployment, and production support activities.
• Design and implement data mapping, integration, batch-processing, and application-interface solutions.
• Leverage AI-assisted development tools (GitHub Copilot, Cursor, or similar) throughout the SDLC to accelerate delivery.
• Work with CICS, VSAM, MQ and other mainframe technologies as required by the application environment.
• Investigate incidents, perform root-cause analysis, and deliver timely, durable resolutions.
• Configure, optimize, and deploy packaged software or other enterprise platforms when applicable.
• Collaborate with architects and project teams to ensure designs, development practices, and delivered solutions meet GM quality and security requirements.
• Support application modernization, migration, cloud-integration, and continuous improvement initiatives.
• Promote efficient code reuse, standardized engineering practices, automated testing, and secure software design.
• Work effectively in Agile, Scrum, DevOps, iterative, or other software-development environments.
• Provide technical guidance and mentoring to less-experienced team members.
• Participate in on-call and production-support activities as needed.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field; equivalent professional experience may be considered.
• 7+ more years of mainframe software-development experience.
• Strong hands-on experience with COBOL, PL/I, JCL, DB2, IMS, and z/OS.
• Experience with CICS, VSAM, batch processing, and production support.
• Experience with relational databases, data integration, SQL and enterprise application interfaces.
• Understanding of the software development lifecycle and software-development methodologies such as Agile, Scrum, Iterative, or Waterfall.
• Strong understanding of application security, software design, maintainability, and efficient code reuse.
• Strong analytical, communication, troubleshooting, and problem-solving skills.
• Ability to work collaboratively with technical teams, business stakeholders, and cross-functional partners.
• Experience with modern mainframe toolsets for discovery, profiling, and migration automation.
• CI/CD experience in defining and managing the build, deployment, and release pipelines.

Preferred Qualifications

• Hands-on experience using Java, REST, microservices, and containers (Openshift Container Platform or Docker/Kubernetes) and integrating mainframe and midrange applications.
• Solid understanding of midrange platforms and frameworks such as Spring Boot and Spring Framework.
• Agile, Scrum, Kanban methodologies.
• DevOps: IBM Developer for z/OS Systems, ADO, Git, IBM DBB.
• IBM tools: ITOM, RACF, Connect-Direct, IBM Rational Functional Tester, IBM Optim, ADDI Test Automation.
• Experience with packaged enterprise software such as SAP, Adobe, SFDC or similar platforms.
• Experience with mainframe modernization, migration, cloud integration, or platform transformation.
• Experience supporting supply chain, manufacturing, vehicle order management, or other large-scale enterprise systems.
• Experience providing technical leadership, mentoring developers, or influencing engineering standards.

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.

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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.

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