Title: Senior Software Engineer
Job Location: 1 Seneca St, Buffalo, NY 14203. Position requires in-office work four (4) days every week.
Job Description: Own end to end responsibility of enhancement, maintenance and production support of Mainframe application(s) using Cobol, CICS, JCL, VSAM and other IBM mainframe tools. Deploy mainframe source code and its related components to production via automated pipelines following DevOps standards and best practices. Complete and oversee basic to complex systems analysis, design and development. Play a key role as an individual contributor on complex projects. Maintain an excellent functional understanding of the supported application(s). Direct and monitor less experienced resources and coordinate development tasks on small to large scope projects. Prepare and manage the technical component of project plans. Participate with other Development, operations and Technology staff in overall systems development direction from technical analysis to user acceptance testing. Prepare and review test data and execute detailed test plans. Complete any required debugging. Evaluate and understand complex interrelationships and effects among programs, interfacing applications and platforms. Provide highly analytical consultation in identifying and implementing new uses of information technologies to assist business units in meeting strategic objectives. Prepare thorough, clear technical and functional specifications and update systems documentation. Prepare charts, tables and diagrams to assist in analyzing problems. Review documentation prepared by less experienced staff. Prepare and review assessments to include required tasks, estimated time frames and effort for any scope project. Maintain efficient operation and effectiveness of supported applications. Follow and promote use of code development standards and procedures. Maintain a good understanding of the business being supported and its functions, processes, operations and strategic direction. Understand and adhere to the Company’s risk and regulatory standards, policies and controls in accordance with the Company’s Risk Appetite. Identify risk-related issues needing escalation to management. Promote an environment that supports diversity and reflects the M&T Bank brand.
Minimum requirements: Bachelor’s degree (or foreign equivalent) in Computer Engineering, Computer Science, Software Engineering, or related technical field plus five (5) years of experience in the job offered or as a Software Engineer, Computer Programmer, Technical Leader or related occupation.
Requires five (5) years of experience with each of the following: Software development using COBOL, CICS, JCL and VSAM.
Requires two (2) years of experience in DevOps on mainframe IDZ.
Salary: $147,118.00 - $147,188.00 per year
LocationBuffalo, New York, United States of AmericaSkills Required
- Bachelor's degree in Computer Engineering, Computer Science, Software Engineering, or related technical field (or foreign equivalent).
- Five years of experience in the job offered or as a Software Engineer, Computer Programmer, Technical Leader, or related occupation.
- Five years of software development experience using COBOL.
- Five years of experience with CICS.
- Five years of experience with JCL.
- Five years of experience with VSAM.
- Two years of experience in DevOps on mainframe IDZ.
- Work in-office four days per week at 1 Seneca St, Buffalo, NY.
M&T Bank Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about M&T Bank and has not been reviewed or approved by M&T Bank.
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Retirement Support — Retirement benefits are positioned as a strong pillar, including a 401(k) match and the possibility of an additional employer contribution, plus access to an employee stock purchase plan.
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Leave & Time Off Breadth — Time-off offerings are framed as competitive, with a flexible PTO approach and paid volunteer time called out as a meaningful add-on to standard leave.
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Wellbeing & Lifestyle Benefits — Wellbeing support appears comparatively robust, highlighted by mental-health therapy/coaching sessions and broader wellness programming alongside community-oriented perks.
M&T Bank Insights
What We Do
M&T Bank is a multi-state community-focused bank serving New York, Maryland, New Jersey, Pennsylvania, Delaware, Connecticut, Virginia, West Virginia and Washington, D.C. Founded in 1856, the company provides banking, investment, insurance and mortgage financial services to more than 3.6 million consumer, business and government clients.









