cover image
Access Computer Consulting Plc

Mainframe zOS Consultant

On site

London, United kingdom

£ 500 /day

Freelance

13-01-2026

Share this job:

Skills

Monitoring Data collection Architecture System Administration Assembler

Job Specifications

I am recruiting for a Mainframe zOS Consultant to work on a remote basis.
The role falls inside IR35 so you will need to work through an umbrella company for the duration of the contract.
You will be a Mainframe z/OS Systems Programmer specialising in hardware refresh, product upgrades, and software life cycle management using advanced tools like SMP/E, z/OSMF, Broadcom, IBM, and BMC utilities.
You will have a deep understanding of z/OS architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customisation.
You will be responsible for configuring and supporting Mainframe connectivity, performance monitoring, backup & recovery and system administration.
You must be proficient in writing and debugging system-level routines and automation - Assembler for exits and control blocks, REXX for Scripting and batch utilities and JCL for job submission, parameterisation, and workflow control.
Please apply ASAP to find out more.

About the Company

Our mission is simple: Transform large enterprises, global financial organizations, and government agencies into agile organizations ready to adapt to the ever-increasing velocity of change with a unique combination of outstanding IT transformation and Evergreen IT expertise and best practices, best-in-class automation tooling, as well as manpower where needed. Our consultants at Access have over 100 years combined experience, so it's fair to say that one of us will have the experience and expertise to help you find the ... Know more