HybridFull-TimeSenior

Sr Mainframe Developer

IntePros

Pittsburgh, PA, USAUSD 70.00 - 85.25 per hourPosted September 20, 2026via Dice
Sr Mainframe Developer
We're looking for an experienced Mainframe Developer to join a team supporting a critical short-term investment platform. This role will be a mix of day-to-day mainframe development/support and a major modernization effort, so we're looking for someone who is comfortable working with legacy technologies while also helping move applications toward newer platforms.
Responsibilities:
  • Develop and enhance mainframe applications using COBOL, JCL, DB2, VSAM, and CICS in a large enterprise environment.
  • Support existing applications and BAU work, including troubleshooting issues, investigating defects, and providing a small amount of production support.
  • Work with batch processing and scheduling, including developing and troubleshooting jobs using Control-M and related tools.
  • Contribute to a major modernization effort focused on moving applications from COBOL/VSAM/DB2 toward Java, Python, and Oracle.
  • Help with application transformation and integration as the team introduces newer development practices and technologies.
  • Work closely with developers, product teams, business partners, and globally distributed teams to understand requirements and deliver solutions.
  • Participate in daily standups and knowledge-sharing while helping document existing systems and processes.
  • Explore AI-assisted development tools to improve development efficiency and support modernization efforts.
Experience:
  • 7+ years of Mainframe Development experience
  • Strong hands-on experience with COBOL, JCL, DB2, VSAM, and CICS
  • Experience with Control-M, MQ Series, and Easytrieve or REXX
  • Strong understanding of both batch and online processing
  • Experience troubleshooting production issues and supporting enterprise applications
  • Previous modernization/transformation experience is required
  • Experience with Java, Python, Oracle, APIs, cloud, or hybrid environments is a plus
  • Financial services experience is highly preferred
  • Strong analytical, troubleshooting, and communication skills
  • Bachelor's degree required
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