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Senior Mainframe Developer Jobs in Buffalo, NY (NOW HIRING)

M&T Bank Corporation

Senior Software Engineer - Hogan

Buffalo, NY · On-site

$130 - $180/hr

  • Medical

  • Retirement

... our DevOps and automation capabilities on the mainframe. This is an exceptional opportunity for a ... Receive mentoring from our most senior engineers--experts with decades of mainframe experience--and ...

New

M&T Bank

Senior Software Engineer - Hogan

Buffalo, NY · On-site

$97K - $161K/yr

  • Medical

  • Retirement

  • PTO

Experience contributing to or setting up DevOps/CI/CD pipelines for mainframe workloads (e.g., Git ... The chance to work directly with some of our most senior engineers , gaining expertise from ...

M&T Bank

Senior Software Engineer - Hogan

Buffalo, NY · On-site +1

$97K - $161K/yr

  • Medical

  • Retirement

  • PTO

Experience contributing to or setting up DevOps/CI/CD pipelines for mainframe workloads (e.g., Git ... The chance to work directly with some of our most senior engineers , gaining expertise from ...

M&T Bank

Senior Software Engineer - Mainframe

Buffalo, NY · On-site

$118K - $156K/yr

Lead mainframe design, troubleshooting, performance tuning, and support across batch and online ... SDLC, DevOps & Quality Engineering * Review and approve solution designs, pull requests, code ...

M&T Bank

Senior Software Engineer - Mainframe

Buffalo, NY · Remote

$118K - $156K/yr

Lead mainframe design, troubleshooting, performance tuning, and support across batch and online ... SDLC, DevOps & Quality Engineering * Review and approve solution designs, pull requests, code ...

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How much do senior mainframe developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior mainframe developer in Buffalo, NY is $55.85, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $61.01 per hour, depending on experience, location, and employer.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are popular job titles related to Senior Mainframe Developer jobs in Buffalo, NY?

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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Buffalo, NY as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, 13% Contract, and 1% Nights. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $116,159 per year, or $55.8 per hour.

Senior Software Engineer - Hogan

M&T Bank Corporation

Buffalo, NY • On-site

$130 - $180/hr

Other

Medical, Retirement

Posted 3 days ago

New

M&T Bank rating

7.9

Company rating: 7.9 out of 10

Based on 186 frontline employees who took The Breakroom Quiz

80th of 171 rated banks

Job description

About the Role We are seeking a highly skilled Hogan Senior Software Engineer with deep experience developing in Hogan IDS, CIS, Umbrella and RPM applications to join our engineering team. In this role, you will work to enhance and support the Bank’s Core Deposits systems and play a key part in continuing the modernization of our mainframe ecosystem. You’ll collaborate closely with senior technical leaders, contribute to new development and system enhancements, and help advance the continued modernization of our DevOps and automation capabilities on the mainframe. This is an exceptional opportunity for a Hogan engineer who is passionate about mainframe operations but also excited to embrace modernization efforts—including integrating industry‑leading tools like IBM’s zDIH (z/OS Data Integration Hub).

Key Responsibilities
  • Design, develop, and maintain high‑quality Hogan IDS / CIS / UMB / RPM applications and batch processes.
  • Work extensively with HOGAN, JCL, JSCAN, EZTRIEVE, VSAM, TSO Utilities, CA7, FILEAID, XPEDITER, and ABEND-AID.
  • Leverage our DevOps pipeline to build, test and deploy code.
  • Troubleshoot complex production issues, ensuring reliability and performance of mission‑critical systems.
  • Leverage and deploy API sets via zOS Connect and REST services.
  • Collaborate with cross-functional teams on analysis, design, testing, and implementation of solutions.
  • Leverage IBM’s new zDIH technology to improve data integration, analytics accessibility, and modernization initiatives.
  • Receive mentoring from our most senior engineers—experts with decades of mainframe experience—and progressively mentor junior team members.
  • Participate in code reviews, architecture discussions, and continuous improvement of engineering practices.
Required Qualifications
  • 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.
  • Advanced proficiency in: HOGAN IDS / CIS / RPM / UMB JCL / JSCAN EZTRIEVE TSO/ISPF Utilities CA7 FILEAID XPEDITER ABEND-AID
  • Strong understanding of batch processing, data flows, and performance tuning.
  • Proven ability to troubleshoot complex system issues in large-scale environments.
  • Excellent communication and collaboration skills.
Preferred Qualifications
  • 5+ years of hands‑on experience and demonstrated proficiency as a HOGAN software engineer in both development and applications support roles.
  • Experience contributing to or setting up DevOps/CI/CD pipelines for mainframe workloads (e.g., Git, SonarQube, SonarLint, ADDI, Ansible).
  • Familiarity with IBM’s zDIH or other mainframe modernization and integration technologies.
  • Exposure to cloud integration, API enablement, and/or data virtualization initiatives.
  • Background in financial services, insurance, or other high‑availability industries.
What We Offer

The chance to work directly with some of our most senior engineers, gaining expertise from industry veterans. Opportunities to lead modernization initiatives and influence our mainframe engineering roadmap. A collaborative environment that values innovation, craftsmanship, and continuous learning. Competitive compensation, benefits, and professional development support. We support our team members with generous benefits.

Competitive compensation

  • Health, welfare, and retirement benefits
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