Senior Systems Mainframe Middleware Engineer

Senior Systems Mainframe Middleware Engineer

Posted 1 day ago by 3R Info LLC

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Negotiable
Undetermined
Remote
Remote
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Automation Banking Customer Information Control System (CICS) Failover Failover Testing Generic Programming IBM DB2 IBM Software Job Control Language (JCL) Middleware Rexx (Programming Language) Software Development System Programming TCP/IP Virtual Telecommunications Access Methods z/OS

Summary: Heitmeyer is looking for a Senior Systems Programmer specializing in IBM z/OS middleware and networking to enhance performance and security in a high-volume banking environment. The role emphasizes expertise in CICS, DB2, MQ, and mainframe networking. The candidate will be responsible for installation, configuration, and support of critical systems while ensuring compliance and reliability. This position is fully remote, allowing for flexibility in work arrangements.

Key Responsibilities:

  • Install, configure, and support CICS, DB2, and IBM MQ on z/OS
  • Diagnose and resolve latency, SSL/TLS, and transmission issues
  • Manage TCP/IP, VTAM, SNA, HiperSockets, and Enterprise Extender
  • Monitor and tune system performance using OMEGAMON, NetView, RMF
  • Develop JCL, REXX, and automation scripts
  • Support security (AT-TLS, IPSEC, RACF/ACF2/TSS) and regulatory compliance
  • Participate in DR planning, failover testing, and system upgrades

Key Skills:

  • 10+ years mainframe systems programming experience
  • Strong in z/OS, CICS, DB2, IBM MQ, TCP/IP, VTAM, SNA
  • Knowledge of Sysplex, LPARs, JES2/JES3
  • Experience in banking or regulated environments preferred

Salary (Rate): £65,000 yearly

City: undetermined

Country: undetermined

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Senior Systems Programmer – Mainframe Middleware & Networking

Location: Remote

Overview:
Heitmeyer is seeking a Senior Systems Programmer to support and optimize IBM z/OS middleware and networking in a high-volume banking environment. This role focuses on CICS, DB2, MQ, and mainframe networking performance, reliability, and security.

Key Responsibilities:

  • Install, configure, and support CICS, DB2, and IBM MQ on z/OS

  • Diagnose and resolve latency, SSL/TLS, and transmission issues

  • Manage TCP/IP, VTAM, SNA, HiperSockets, and Enterprise Extender

  • Monitor and tune system performance using OMEGAMON, NetView, RMF

  • Develop JCL, REXX, and automation scripts

  • Support security (AT-TLS, IPSEC, RACF/ACF2/TSS) and regulatory compliance

  • Participate in DR planning, failover testing, and system upgrades

Required Skills:

  • 10+ years mainframe systems programming experience

  • Strong in z/OS, CICS, DB2, IBM MQ, TCP/IP, VTAM, SNA

  • Knowledge of Sysplex, LPARs, JES2/JES3

  • Experience in banking or regulated environments preferred

Education:
Bachelor’s degree or equivalent experience.

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