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[Remote] Systems Programmer - Mainframe Networking

Remote Full-time Now Hiring

Note: The job is a remote job and is open to candidates in USA. M&T Bank is a financial institution seeking a Systems Programmer III – Mainframe Networking to design, implement, and support their mainframe networking infrastructure. The role involves ensuring secure and compliant network connectivity for critical banking applications while collaborating with various teams to maintain a high-availability environment.

Responsibilities

  • Install, customize, and maintain mainframe network software, including but not limited to, z/OS Communication Server (VTAM, TCP/IP, FTP, SFTP, TLS/AT-TLS, OSA-Express, TN3270 Services, DNS, and Enterprise Extender) and Connect:Direct (NDM). Apply maintenance to all associated software & products as required to maintain system stability
  • Serve as a mid-tier technical escalation point for complex problems involving mainframe networking within the mainframe environment, including middleware components (CICS, DB2, MQ, and JES2). Use diagnostic tools (e.g., IPCS, packet traces) to perform root cause analysis and implement effective solutions. Respond to and resolve incidents; work with vendor to identify and implement fix where applicable. Provide guidance to less experienced staff.  Identify root causes of system issues and work with partner teams to fix the root cause
  • Monitor system performance, conduct capacity planning, and implement performance-tuning measures to optimize system efficiency and ensure service-level agreements (SLAs) are met
  • Work closely with the security team to implement and maintain security protocols within CA-ACF2, including AT-TLS configuration and certificate management, to protect data and ensure compliance with corporate standards
  • Lead and participate in medium & large-scale projects, such as major software upgrades, hardware refreshes, and disaster recovery planning and exercises
  • Collaborate with application developers, operations staff, and other systems programmers. Provide technical guidance and mentorship to junior team members
  • Maintain comprehensive documentation of system configurations, procedures, and problem-solving techniques
  • Attend vendor sponsored conferences as a representative of the Bank to seek out industry technology to utilize at the Bank.  Provide thought leadership at vendor-sponsored conferences; presenting new technologies or providing industry leadership in new technologies. Review training opportunities that are available and make recommendations
  • Take ownership of emergency support responsibilities as part of a 24/7 on-call rotation
  • Ability to work effectively in a team environment and collaborate with various departments to achieve organizational goals
  • 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 belonging and reflects the M&T Bank brand
  • Maintain M&T internal control standards, including timely implementation of internal and external audit points together with any issues raised by external regulators as applicable
  • Complete other related duties as assigned

Skills

  • Combined minimum of 6 years' higher education and/or related work experience
  • Expert-level knowledge of z/OS Communication Server, including VTAM, TCP/IP, FTP, SFTP, TLS/AT-TLS, OSA-Express, TN3270 Services, DNS, Enterprise Extender, and Connect:Direct (NDM)
  • In-depth knowledge of SMP/E & z/OSMF for software installation and maintenance
  • Fluency in JCL, REXX, and CLIST among others
  • Proven analytical and problem-solving skills for diagnosing and resolving complex technical issues
  • Excellent written and verbal communication skills, with the ability to explain complex technical information to both technical and non-technical audiences
  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience
  • Strong proficiency with mainframe middleware, including IBM MQ Series on Z, CICS, & DB2 on Z
  • 5-7 years of experience in mainframe systems programming, with a focus on networking and middleware
  • Relevant certifications are a plus

Benefits

  • Health, welfare, and retirement benefits
  • 401(k) match at 5%
  • Work-life balance and flexible work arrangements
  • Banking Officers start with 25 days PTO plus 12 paid holidays
  • 40 hours paid volunteer hours per year
  • Much more. For details, see: [M&T Benefits Overview](https://www3.mtb.com/content/dam/mtb-web/mtb-migration/pdfs/health-care-benefits-overview.pdf)

Company Overview

  • M&T Bank provides banking, investment, insurance, and mortgage financial services. It was founded in 1856, and is headquartered in Buffalo, New York, USA, with a workforce of 10001+ employees. Its website is https://www3.mtb.com/.
  • Company H1B Sponsorship

  • M&T Bank has a track record of offering H1B sponsorships, with 44 in 2026, 110 in 2025, 108 in 2024, 82 in 2023, 103 in 2022, 42 in 2021. Please note that this does not guarantee sponsorship for this specific role.