z/OS Assembler Programmer (z/OS/Java) - Direct Hire (East Coast/Detroit)

We are seeking a highly experienced z/OS Assembler Programmer to join our core systems development team. You will be responsible for maintaining and enhancing core components running on IBM z/OS mainframes, with a focus on system-level programming and integration with key technologies like IMS, KICS, and z/OS Connect.

The ideal candidate will bring 10+ years of experience, strong proficiency in High-Level Assembler, and familiarity with legacy and modern mainframe communication protocols (e.g., TCP/IP-based interfaces).

Key Responsibilities
• Design, develop, and maintain z/OS High-Level Assembler (HLASM) programs and system-level code.
• Support and enhance KICS agent and IMS agent functionality.
• Collaborate with infrastructure and systems teams to ensure robust communication through IMS Connect and z/OS Connect (TCP/IP-based protocols).
• Assist in dump analysis, low-level debugging, and performance tuning of assembler modules.
• Work within an Agile development framework (flexible, not strictly enforced).
• Participate in a collaborative panel interview process focused on real-world technical problem-solving and debugging scenarios.

Qualifications

Required:
• 10+ years of professional experience in z/OS Assembler programming.
• Deep understanding of IBM mainframe architecture.
• Hands-on experience with:
• KICS agent
• IMS agent
• IMS Connect / z/OS Connect
• TCP/IP protocols
• Ability to debug and analyze complex dumps and system abends.
• Strong problem-solving and system diagnostic skills.
• Familiarity with Linux operating systems and tools.

Preferred:
• Exposure to Java environments (not required, but helpful).
• Prior participation in Agile or Scrum environments.



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