M&T Bank Corporation

Senior Software Engineer - Mainframe

M&T Bank Corporation$97K — $161K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Associate's degree and a minimum of 5 years in systems analysis/application development, or 7 years of relevant experience including 5 years of systems analysis/application development.
  • Experience in IBM z/OS mainframe development with tools like COBOL, CICS, and DB2 for z/OS.
  • Strong skills in troubleshooting batch and online processing and production impact assessment.
  • Familiarity with modern IBM z development tools such as IDz and z/OS Connect.
  • Experience in Agile SDLC practices and tools like Jira and CI/CD processes.

Responsibilities

  • Own delivery of mainframe solutions throughout the full application lifecycle.
  • Translate business and technical requirements into effective application changes.
  • Troubleshoot various application and transaction issues to maintain system integrity.
  • Prepare comprehensive technical specifications and implementation plans with a focus on risk management.
  • Execute SDLC activities from requirements to deployment, ensuring readiness and quality throughout.

Benefits

  • Opportunities for professional development and technical leadership.
  • Collaborative work environment with cross-functional teams.
  • Exposure to modernization projects, enhancing skills in APIs and cloud integration.
Full Job Description
Senior-level mainframe engineer responsible for delivering secure, resilient, and maintainable enterprise application solutions across delivery, modernization, and production support. This role partners across business, technology, QA, architecture, and operations to deliver quality outcomes aligned to enterprise SDLC, risk, regulatory, and technology standards.

Primary Responsibilities

1. Mainframe Software Engineering & Delivery

  • Own delivery of secure, resilient, performance-aware mainframe solutions across the full lifecycle from analysis and design through implementation, validation, and production support.


  • Translate business and technical requirements into quality application changes that support reliable batch, online, interface, and data-processing capabilities.


  • Troubleshoot application, transaction, batch, interface, data flow, restart/recovery, and downstream impact issues.


  • Prepare technical specifications, implementation and backout plans, support documentation, and delivery estimates with clear ownership of risks, dependencies, quality, and production stability.


2. SDLC, Quality & Release Readiness

  • Execute SDLC activities across requirements analysis, estimation, design, coding, testing, documentation, change control, and release readiness.


  • Apply GitLab and DevOps practices for source control, branching, merge requests, peer review, traceability, CI/CD, deployment planning, and implementation validation.


  • Prepare and execute unit, integration, regression, batch validation, data reconciliation, UAT support, production verification, and defect resolution activities.


  • Improve reliability and delivery quality through peer review, code quality, test coverage, automation, release evidence, and post-production validation.


3. Modernization, Integration & Stability

  • Support modernization initiatives including API enablement, data integration, technical debt reduction, platform resiliency, and modern IBM z development practices.


  • Contribute to integration designs across mainframe, distributed platforms, cloud-connected applications, MQ, APIs, and data movement patterns.


  • Support production applications, batch schedules, online transactions, interfaces, operational workflows, incident resolution, root cause analysis, and problem management.


  • Improve application stability, performance, restartability, supportability, operational efficiency, and recovery readiness.


4. Collaboration & Technical Leadership

  • Partner with business, product, architecture, QA, operations, and engineering teams to deliver reliable solutions.


  • Guide less experienced engineers on application functionality, coding, debugging, testing, release procedures, and SDLC adherence.


  • Maintain strong knowledge of supported applications, business processes, dependencies, operational impacts, and technical risks.


Scope of Responsibility

  • Works independently on complex technical assignments with guidance from the Technology Team Lead, Engineering Lead, or Architect.


  • Coordinates small to medium technical work efforts and provides technical guidance to less experienced engineers as needed.


  • Escalates technical risks, delivery issues, design gaps, control concerns, and operational impacts appropriately.


Education Required

  • Associate's degree and a minimum of 5 years of systems analysis and/or application development experience; or


  • In lieu of a degree, a combined minimum of 7 years of higher education and/or work experience, including a minimum of 5 years of systems analysis and/or application development experience.


Required Experience

  • IBM z/OS mainframe application development experience with COBOL, CICS, JCL, DB2 for z/OS, VSAM, TSO/ISPF, SDSF, Easytrieve+, and related tools supporting batch, online, interface, and data-processing workloads.


  • Strong technical depth in batch and online processing, including job stream analysis, restartability, scheduling dependencies, ABEND resolution, CICS transaction troubleshooting, and production impact assessment.


  • Experience with DB2 SQL, data validation, reconciliation, copybooks/file layouts, interface analysis, and performance-oriented troubleshooting.


  • Working knowledge of modern IBM z development practices and tools such as IDz, ADDI, DBB, ZUnit, z/OS Connect, ZDIH, and mainframe debugging tools including File-AID, Abend-AID, Xpediter, InterTest, or equivalent.


  • GitLab, source control, code review, release management, change control, CI/CD, traceability, and deployment readiness experience.


  • SDLC and Agile delivery experience including requirements analysis, story refinement, estimation, design, coding, unit testing, regression support, implementation, production verification, documentation, and tools such as Jira, Zephyr, and ServiceNow.


  • Strong analytical, debugging, problem-solving, communication, and collaboration skills across business, technology, QA, architecture, operations, Agile, and cross-functional teams.


  • Ability to work independently, assess impact across programs, interfaces, data flows, batch processes, and connected applications, and escalate risks, dependencies, design gaps, and operational concerns appropriately.


Preferred Experience

  • Experience supporting banking, lending, payments, servicing, or other regulated enterprise applications.


  • Experience with modernization, platform migration, API enablement, z/OS Connect implementation, MQ/service integration, distributed platform connectivity, technical debt reduction, resiliency, or release quality initiatives.


  • Experience with Sonar or equivalent code quality/static analysis tools, automated testing, regression automation, deployment validation, observability, monitoring, and operational dashboards.


  • Familiarity with RACF or mainframe security concepts, disaster recovery, recovery validation, audit evidence, risk, regulatory, and internal control expectations.


  • Experience applying AI-assisted engineering tools for code analysis, documentation, testing, or operational support with appropriate human review and validation.


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. The range listed above corresponds to our national pay range for this role. The specific pay range applicable to you may vary based on your location.

Location
Clanton, Alabama, United States of America

About M&T Bank Corporation

M&T Bank is a financial holding company headquartered in Buffalo, New York. M&T's principal banking subsidiary, M&T Bank, operates banking offices in New York, Maryland, New Jersey, Pennsylvania, Delaware, Connecticut, Virginia, West Virginia, and the District of Columbia. Trust-related services are provided by M&T's Wilmington Trust-affiliated companies and by M&T Bank. M&T Bank traces its origins to the founding of Manufacturers and Traders Bank in Buffalo, New York. As a result of mergers, acquisitions, and name changes, M&T Bank Corporation's principal bank is now known as Manufacturers and Traders Trust Company or M&T Bank. M&T Bank reorganized under a bank holding company in 1969 called First Empire State Corporation. The name was changed in 1998 to M&T Bank Corporation, whose common stock is listed on the New York Stock Exchange and trades under the symbol "MTB."

M&T Bank Corporation Careers

Join the vibrant team at M&T Bank Corporation, a leading financial institution where innovation meets tradition, offering a plethora of job opportunities across various sectors. As one of the most respected banks in the nation, M&T Bank Corporation is the perfect place to jumpstart or advance your career in the financial services industry.

Work You’ll Do

At M&T Bank Corporation, you will be part of a culture that cherishes diversity, leadership, and professional growth. Engage in work that makes a real difference in the community while fostering your career development through comprehensive training programs and diverse learning opportunities.

Innovate and Lead

Embrace the chance to work on projects that integrate cutting-edge financial technologies with robust, traditional banking practices. M&T Bank Corporation is at the forefront of the financial industry, offering innovative solutions that redefine banking standards. Our leadership in the market is driven by a commitment to excellence and continuous improvement.

Career Growth and Opportunities

Whether you are looking for an entry-level position or a more senior role, M&T Bank Corporation provides a dynamic pathway for career advancement. With a variety of job opportunities ranging from internships to full-time positions, you can find the perfect match for your skills and ambitions. Our team is dedicated to helping you navigate your career path with tailored development plans and leadership training.

Join Our Team

Explore job opportunities and join a team that values hard work, creativity, and strategic thinking. M&T Bank Corporation is hiring professionals who are passionate about finance and eager to contribute to a team-oriented environment. Enhance your skills through hands-on experience and ongoing professional development.

Networking and Professional Development

At M&T Bank Corporation, networking and professional development are part of our DNA. Connect with industry leaders, participate in high-impact networking events, and take advantage of our mentorship programs. Our employees benefit from a supportive network that boosts their career trajectories and fosters meaningful professional relationships.

Benefits and Culture

Enjoy a comprehensive benefits package that supports both your professional and personal life. M&T Bank Corporation offers competitive salaries, health benefits, and retirement plans designed to ensure the well-being of our team members and their families. Experience a supportive and inclusive culture where every employee is valued and given the opportunity to thrive.

How to Apply

Ready to take the next step in your career? Visit the M&T Bank Corporation Careers page to browse current openings, submit your resume, and prepare for your interview. We are excited to see how your skills and ideas can contribute to our continued growth and success.

Stay Connected

Keep up to date with the latest from M&T Bank Corporation by following our careers blog. Gain insights from our experts and stay informed about new job openings and upcoming networking events. Join M&T Bank Corporation today and be part of a team that is dedicated to growth, innovation, and leadership in the banking industry. Your future starts here!
Learn more about M&T Bank Corporation
Size
17,115 employees
Market Cap
$25.2 billion
Industry
Net Income
$1.3 billion
Founded
1868
5 Year Trend
+0.2%
NASDAQ

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