Senior Mainframe Modernization & Integration Software Engineer
General Motors1 month ago
Responsibilities
- Develop, maintain, troubleshoot, and modernize enterprise applications using COBOL, PL/I, JCL, DB2, IMS, and z/OS.
- Analyze requirements and translate them into scalable, secure, maintainable technical designs.
- Perform coding, unit testing, debugging, code reviews, deployment, and production support.
- Design data mapping, integration, batch-processing, and application-interface solutions.
- Use AI-assisted development tools such as GitHub Copilot and Cursor throughout the software development lifecycle.
- Work with CICS, VSAM, MQ, and other mainframe technologies as required.
- Investigate incidents, perform root-cause analysis, and deliver durable resolutions.
- Configure, optimize, and deploy packaged software or enterprise platforms when applicable.
- Collaborate with architects, project teams, developers, business stakeholders, and cross-functional partners.
- Support application modernization, migration, cloud-integration, and continuous-improvement initiatives.
- Promote code reuse, standardized engineering practices, automated testing, and secure software design.
- Define and manage build, deployment, and release pipelines.
- Provide technical guidance and mentoring to less-experienced team members.
- Participate in on-call and production-support activities as needed.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field, or equivalent professional experience.
- 7+ years of mainframe software-development experience.
- Strong hands-on experience with COBOL, PL/I, JCL, DB2, IMS, and z/OS.
- Experience with GitHub, GitActions, or Azure DevOps for code management and CI/CD.
- Understanding and use of GenAI or agentic AI in analytical and development workflows.
- Experience with CICS, VSAM, batch-processing solutions such as IWS or CA7, and production support.
- Experience with relational databases, data integration, SQL, and enterprise application interfaces.
- Understanding of software development lifecycle practices and Agile, Scrum, Iterative, or Waterfall methodologies.
- Understanding of application security, software design, maintainability, and efficient code reuse.
- Strong analytical, communication, troubleshooting, problem-solving, collaboration, and stakeholder-management skills.
- Experience with mainframe toolsets for discovery, profiling, and migration automation.
- Experience defining and managing build, deployment, and release pipelines.
- Preferred: hands-on experience with Java, REST, microservices, OpenShift Container Platform, Docker, Kubernetes, Spring Boot, and Spring Framework.
- Preferred: experience with IBM tools including IDz, ITOM, RACF, Connect-Direct, IWS, ADDI, ZOWE, ZoS Connect, and IBM BoB.
- Preferred: hands-on test automation experience.
- Preferred: experience with SAP, Adobe, SFDC, or similar packaged enterprise software.
- Preferred: mainframe modernization, migration, cloud-integration, or platform-transformation experience.
- Preferred: experience supporting supply chain, manufacturing, vehicle order management, or other large-scale enterprise systems.
- Preferred: experience providing technical leadership, mentoring developers, or influencing engineering standards.
Benefits
- GM provides well-being and rewards resources intended to support employees at work and at home.
- The posting describes an inclusive, non-discriminatory workplace and provides reasonable accommodations for applicants with disabilities.
About General Motors
General Motors designs, manufactures, and sells cars, trucks, and electric vehicles for consumers and commercial fleets under brands including Chevrolet, GMC, Cadillac, and Buick. A public company on the NYSE headquartered in Detroit and founded in 1908, it operates globally and is developing EVs on its Ultium battery platform. Revenue comes from vehicle and parts sales, connected services such as OnStar, and financing through GM Financial.