Mainframe Assembler Developer

Highly Experienced Developer Position

We are seeking a highly experienced developer to support and enhance a mission-critical legacy application written in IBM z/OS assembler language. This role requires a self-sufficient engineer capable of independently analyzing, maintaining, and improving high-volume, high-availability batch processing systems in a regulated financial services environment.

Required Skills & Qualifications

• 8 years of experience in IBM Mainframe application development and production support
• Strong hands-on expertise in Assembler (HLASM) programming
• JCL development and troubleshooting
• Experience with GDGs and batch processing
• Proven experience with Connect:Direct (NDM), ISPW (or equivalent change management tools), CA7 scheduling, TSO / ISPF environment, and GitHub CoPilot
• Demonstrated experience supporting high-volume financial transaction systems
• Experience working in high-availability environments, including Sysplex architectures and multiple LPARs
• Solid understanding of mainframe datasets, VSAM, and utilities
• Experience using ServiceNow and/or Remedy
• Proven ability to work independently in loosely documented legacy environments and analyze complex assembler codebases
• Diagnose and resolve critical production issues quickly
• Prior work experience at client or in client's Industry
• Applicants must be able to work directly for Artech on W2

Day-to-Day Responsibilities

• Support and enhance mission-critical legacy applications
• Independently analyze, maintain, and improve high-volume, high-availability batch processing systems
• Diagnose and resolve critical production issues quickly

Company Benefits & Culture

• Hybrid schedule requirement of a minimum of 3 days per week
• Opportunity to work in a regulated financial services environment
• Collaborative and dynamic work environment