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Senior Mainframe CICS Systems Programmer

Isospin Technologies, LLC

(remote)

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JOB DETAILS
JOB TYPE
Full-time, Employee
SKILLS
Analysis Skills, Application Programming Interface (API), Applications Security, Automation, Capacity and Performance Management, Cloud Computing, Communication Skills, Computer Programming, Database Technology, DevOps, Disaster Recovery, Documentation, Documentation Standards, Enterprise Protection, Hardware Installation, High Availability, Hybrid Cloud, IBM CICS (Customer Information Control System), IBM DB2, IBM Job Entry Subsystem, IBM Netview, IBM Product Family, IBM VTAM (Virtual Telecommunications Access Method), IBM z-OS Operating System, Incident Management, Leadership, Mainframe Computer, Maintain Compliance, Mentoring, Messaging Middleware, Migration Strategy, On Call, Operational Improvement, Operational Strategy, Performance Testing, Performance Tuning/Optimization, Production Systems, Production Volume, RACF (Resource Access Control Facility), REST (Representational State Transfer), Release Management/Engineering, Risk Analysis, Risk Management, Root Cause Analysis, Scripting (Scripting Languages), Security Compliance, Software Administration, Software Development, Strategic Planning, Symmetric MultiProcessing (SMP) Computing, Systems Administration/Management, Systems Scalability, Systems/Internals Programming, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Lead/Manager, Technical Leadership, Technical Strategy, Technical Writing, Vehicle Driving, Web Services
POSTED
6 days ago

Job title: Senior Mainframe CICS Systems Programmer

Location: Remote

Duration: 06+ Months Contract.

Position Summary

We are seeking a Senior Mainframe CICS Systems Programmer to lead the administration, architecture, and optimization of an IBM z/OS CICS environment. This role requires deep technical expertise in CICS Transaction Server, strong z/OS systems programming skills, and the ability to drive performance, stability, automation, and modernization initiatives across mission-critical enterprise platforms.

The ideal candidate will serve as a technical leader, mentor junior staff, and partner with infrastructure, security, and application teams to ensure highly available, secure, and scalable CICS systems.  Application development skills would be a plus.

Key Responsibilities

Technical Leadership

  • Architect, install, configure, and maintain IBM CICS Transaction Server environments across multiple LPARs
  • Lead CICS version upgrades, migrations, and maintenance strategies
  • Design and manage CICSPlex SM environments
  • Provide expert-level support for complex CICS and z/OS issues

Systems Management & Optimization

  • Perform advanced performance tuning, capacity planning, and workload management
  • Analyze and resolve complex system abends and dumps using IPCS
  • Implement and maintain high availability and disaster recovery solutions
  • Apply and manage IBM maintenance using SMP/E

Integration & Security

  • Integrate CICS with DB2, MQ, Web Services, and z/OS Connect
  • Ensure compliance with RACF security standards and enterprise audit requirements
  • Configure and maintain TCP/IP, VTAM, and related communication components 

Automation & Modernization

  • Implement automation using SA z/OS, NetView, or equivalent tools
  • Drive modernization initiatives including CICS APIs, RESTful services, and cloud integration
  • Improve operational efficiency through scripting and process automation

Collaboration & Governance

  • Partner with development teams to support application deployments and performance testing
  • Develop and maintain technical documentation and standards
  • Participate in architecture reviews and strategic planning
  • Provide 24x7 escalation support as part of senior on-call rotation

Required Qualifications

  • 30+ years of advanced CICS systems programming experience
  • Deep expertise in:
    • CICS Transaction Server (installation, configuration, tuning)
    • CICSPlex SM
    • SMP/E maintenance
    • JES2/JES3
    • RACF
    • IPCS dump analysis
    • z/OS internals
  • Strong understanding of mainframe networking (VTAM, TCP/IP)
  • Experience with DB2 and MQ integration
  • Proven experience supporting high-volume production environments
  • Strong leadership, documentation, and communication skills

Preferred Qualifications

  • Experience with CICS Web Services, APIs, and z/OS Connect
  • Knowledge of DevOps practices in mainframe environments
  • Experience with automation frameworks and infrastructure-as-code concepts
  • Exposure to hybrid cloud integration strategies
  • IBM certifications related to z/OS or CICS

Key Competencies

  • Strategic technical thinking
  • Incident management and root cause analysis
  • Mentorship and team leadership
  • Change and release management
  • Risk assessment and mitigation

About the Company

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Isospin Technologies, LLC