About the role
Job Description
- M&T Bank is seeking a Senior Mainframe Software Engineer to support the enhancement, maintenance, modernization, and production support of mission-critical mainframe applications. This role is responsible for designing, developing, testing, implementing, and supporting application changes using IBM mainframe technologies. The engineer will serve as a key individual contributor on complex initiatives, partner with business and technology stakeholders, and help ensure that supported applications remain stable, secure, compliant, and aligned with business objectives. Key Responsibilities Complete and oversee basic to complex systems analysis, design, development, testing, debugging, implementation, and production support activities. Prepare and review user stories, acceptance criteria, technical documentation, test plans, estimates, impact assessments, and system documentation in support of Agile delivery.
- Evaluate interrelationships and dependencies across programs, interfacing applications, vendors, platforms, and business processes.
- Provide analytical consultation to identify effective technology solutions that support strategic business goals. Follow and promote M&T development standards, Agile practices, DevOps practices, change management processes, and risk and regulatory controls. Deploy mainframe components through automated pipelines and support issue identification, root cause analysis, and problem resolution. Coordinate development tasks, communicate status and risks clearly, and collaborate with business partners, application teams, operations, and vendor partners.
- Provide technical guidance, mentoring, and knowledge sharing to less experienced engineers. Participate in on-call or off-hours production support as needed to maintain application availability and stability. Maintain a strong understanding of the business processes supported by the application and promote an inclusive environment consistent with the M&T Bank brand. Collaboration and Leadership Expectations The successful candidate should demonstrate strong communication, ownership, analytical thinking, and problem-solving skills. This role requires the ability to work independently, collaborate across teams, communicate technical concepts clearly, and support continuous improvement in delivery quality, operational stability, and engineering practices. Education &
- Experience Required Associate’s degree and a minimum of 5 years’ systems analysis and/ or application development work experience or Bachelor's degree and a minimum of 3 years’ systems analysis and/ or application development work experience. In lieu of degree, a combined minimum of 7 years’ education and/or relevant work experience, including a minimum of 3 years’ systems analysis and/or application development work experience Requires at least five (5) years of experience with mainframe application development, maintenance, testing, debugging, implementation, or production support using COBOL, CICS, JCL, VSAM, TSO/ISPF, SDSF, File-AID, Xpediter, Abend-AID, CA-7, or other job scheduling tools.
- Experience must include working on complex application changes, preparing technical documentation, performing impact analysis, executing test plans, and supporting production stability in an enterprise technology environment.
- Experience Banking, consumer lending, or loan origination domain knowledge; ACAPS or related mainframe-based banking applications; Easytrieve, IBM Developer for z/OS, GitLab, CI/CD, DevOps pipelines, z/OS Connect, API integrations, automation tools, Agile delivery practices, Jira, Confluence, ServiceNow, and production support processes. M&T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $97,100.00 - $161,800.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation. Location Buffalo, New York, United States of America Great companies have an enduring sense of purpose. At M&T, our purpose is a simple one: make a difference in people’s lives and uplift the communities we serve. M&T Bank Corporation is a financial holding company headquartered in Buffalo, New York. M&T’s affiliates offer advice, guidance, expertise and solutions across the entire financial spectrum, combining M&T Bank’s traditional banking services with the wealth management and institutional capabilities offered by Wilmington Trust. M&T Bank has a network of over 1,000 branches and 2,200 ATMs that span 12 states from Maine to Virginia and Washington, D.C. For more than 165 years, M&T has strived to take an active role in our communities and build long-lasting relationships with our customers. We are a bank for communities—combining the capabilities of a large bank with the care of a locally focused institution. As an employer of choice, we are proud to offer competitive benefits ranging from medical and retirement to forty hours of paid volunteer time, each year. Our core values – integrity, ownership, collaboration, curiosity, and candor – drive the work we do. We seek to further build upon our record of success by bringing in top talent and fresh skill sets while continuing to support the growth and development of all our team members. View M&T’s Human Capital Report to learn more. Ready to join our team? Submit your application today! If you are unable to apply through this site due to technical issues or need an accommodation to apply, please contact us at careersitesupport@mtb.com for assistance. M&T Bank is unwavering when it comes to providing equal employment opportunities to all employees and applicants without regard to race, color, national origin, religion, ethnicity, sex, gender identity, age, disability, citizenship, pregnancy, veteran status, military status, marital status, sexual orientation, genetic information or any other characteristic protected under applicable federal, state or local laws. M&T Bank Corporation has policies and procedures in place to promote a drug free workplace. Career Site Privacy Notice