Principal Software Engineer Mainframe Modernization

Job Description

The Role

General Motors is seeking a Principal Software Engineer to provide technical leadership and architectural direction for enterprise-scale mainframe modernization initiatives guiding the evolution of mission-critical systems toward modern scalable SaaS-focused architectures. This role requires deep understanding of legacy mainframe platforms combined with expertise in modern distributed systems cloud-native architectures and incremental value-driven migration strategies.

The successful candidate will define modernization roadmaps evaluate migration approaches ensure transactional integrity and operational resilience and partner closely with IT operations and business stakeholders to deliver long term addition the successful candidate will be expected to provide architectural guidance conduct hands-on design/code reviews and mentor technical talent across multiple teams.

What Youll Do

• Define and drive the over-arching technical vision and architecture across multiple modernization pillars.

• Drive consistent adoption of practices that ensure reliability scalability resilience and security.

• Challenge legacy assumptions constraints and development patterns.

• Identify and drive investments in sustainable competitive advantages.

• Serve as a trusted advisor to IT leadership and executives for critical design decisions technology adoption and integration strategies.

• Mentor and grow senior technical talent raising overall capability and maturity.

• Foster alignment and collaboration across globally distributed engineering organizations.

• Influence leadership beyond IT by advocating for innovation and technical investments.

Your Skills & Abilities (Required Qualifications)

• 10 years of software engineering experience with at least 5 years in a principal staff or architect-level role.

• Demonstrated expertise in mainframe ecosystem operational characteristics and operating models.

• Demonstrated experience in enterprise-level change management and platform migration.

• Proven success designing and scaling distributed cloud-native systems.

• Strong understanding of security observability performance and high-availability architectures.

• Comfortable operating in highly ambiguous and dynamic environments.

• Excellent communication collaboration and mentoring abilities with a passion for driving innovation in technology.

What Will Give You a Competitive Edge (Preferred Qualifications)

• Bachelors or Masters degree in Computer Science or a related field.

• Demonstrated experience with multiple modernization patterns (e.g. strangler domain decomposition).

• Experience migrating to SaaS-driven platforms where the core business expectation is no one notices.

Hybrid:

This role is considered hybrid meaning 3 days on-site work in Warren MI or Austin TX.

Company Vehicle:

Upon successful completion of a motor vehicle report review you will be eligible to participate in a company vehicle evaluation program through which you will be assigned a General Motors vehicle to drive and evaluate.
Note: program participants are required to purchase/lease a qualifying GM vehicle every four years unless one of a limited number of exceptions applies.

GM DOES NOT PROVIDE IMMIGRATION-RELATED SPONSORSHIP FOR THIS ROLE. PLEASE DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED GM IMMIGRATION SPONSORSHIP (e.g. H-1B TN STEM OPT etc.) NOW OR IN THE FUTURE.

This job may be eligible for relocation benefits.

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.

Benefits Overview

From day one were looking out for your well-beingat work and at homeso 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

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