z/OS Engineer Contract Job Trends

IBM z/OS Engineer
UK

The median IBM z/OS Engineer daily rate in the UK is £475, according to job vacancies posted in the 6 months leading up to 29 November 2025.

The table below compares current contractor rates and summary statistics with the previous two years.

6 months to
29 Nov 2025
Same period 2024 Same period 2023
Rank 581 560 -
Rank change year-on-year -21 - -
Contract jobs requiring a z/OS Engineer 3 1 0
As % of all contract jobs in the UK 0.008% 0.003% -
As % of the Job Titles category 0.009% 0.003% -
Number of daily rates quoted 3 1 0
10th Percentile - - -
25th Percentile £463 - -
Median daily rate (50th Percentile) £475 £375 -
Median % change year-on-year +26.67% - -
75th Percentile £631 - -
90th Percentile £718 - -
UK excluding London median daily rate - - -

All Contract IT Job Vacancies
UK

For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

Contract vacancies in the UK with a recognized job title 32,783 33,839 42,964
% of contract IT jobs with a recognized job title 90.95% 92.83% 93.56%
Number of daily rates quoted 20,795 20,464 29,004
10th Percentile £281 £300 £290
25th Percentile £402 £410 £413
Median daily rate (50th Percentile) £500 £525 £525
Median % change year-on-year -4.76% - -4.55%
75th Percentile £619 £638 £649
90th Percentile £725 £738 £740
UK excluding London median daily rate £475 £494 £500
% change year-on-year -3.85% -1.20% -
Number of hourly rates quoted 1,905 1,235 1,530
10th Percentile £14.25 £15.22 £15.16
25th Percentile £17.89 £20.63 £19.08
Median hourly rate £25.15 £35.00 £44.50
Median % change year-on-year -28.14% -21.35% +48.33%
75th Percentile £57.50 £65.00 £65.00
90th Percentile £71.50 £73.75 £77.50
UK excluding London median hourly rate £25.15 £33.00 £44.50
% change year-on-year -23.79% -25.84% +78.00%

z/OS Engineer
Job Vacancy Trend

Historical trend showing the proportion of contract IT job postings featuring 'z/OS Engineer' in the job title relative to all contract IT jobs advertised.

z/OS Engineer job vacancy trend in the UK

z/OS Engineer
Daily Rate Trend

Contractor daily rate distribution trend for z/OS Engineer job vacancies in the UK.

Contractor daily rate distribution trend for z/OS Engineer job vacancies in the UK

z/OS Engineer
Daily Rate Histogram

Daily rate distribution for jobs citing z/OS Engineer over the 6 months to 29 November 2025.

Daily rate histogram for z/OS Engineer in the UK

z/OS Engineer
Top 2 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing z/OS Engineer within the UK over the 6 months to 29 November 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
England - 3 £475 - 1
London - 1 £750 -

z/OS Engineer Skill Set
Top 26 Co-Occurring Skills & Capabilities

For the 6 months to 29 November 2025, z/OS Engineer contract job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all contract job ads featuring z/OS Engineer in the job title.

1 3 (100.00%) Ansible
1 3 (100.00%) Assembly Language
1 3 (100.00%) High Availability
1 3 (100.00%) REXX
1 3 (100.00%) Validation
1 3 (100.00%) zOS
2 2 (66.67%) Batch Processing
2 2 (66.67%) CICS
2 2 (66.67%) COBOL
2 2 (66.67%) DB2
2 2 (66.67%) HLASM
2 2 (66.67%) IBM
2 2 (66.67%) IBM UrbanCode
2 2 (66.67%) ITIL
2 2 (66.67%) JCL
2 2 (66.67%) OMEGAMON
2 2 (66.67%) Performance Tuning
2 2 (66.67%) Project Delivery
2 2 (66.67%) Root Cause Analysis
2 2 (66.67%) ServiceNow
3 1 (33.33%) Creative Problem-Solving
3 1 (33.33%) Kafka
3 1 (33.33%) Problem-Solving
3 1 (33.33%) Python
3 1 (33.33%) REST
3 1 (33.33%) Software Testing

z/OS Engineer Skill Set
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 2 (66.67%) CICS
Database & Business Intelligence
1 2 (66.67%) DB2
Development Applications
1 2 (66.67%) IBM UrbanCode
General
1 2 (66.67%) Banking
1 2 (66.67%) Finance
1 2 (66.67%) Social Skills
2 1 (33.33%) Analytical Skills
Libraries, Frameworks & Software Standards
1 1 (33.33%) Kafka
1 1 (33.33%) REST
Miscellaneous
1 3 (100.00%) Mainframe
2 2 (66.67%) VSAM
Operating Systems
1 3 (100.00%) zOS
Processes & Methodologies
1 3 (100.00%) High Availability
1 3 (100.00%) Validation
2 2 (66.67%) Batch Processing
2 2 (66.67%) ITIL
2 2 (66.67%) Performance Tuning
2 2 (66.67%) Project Delivery
2 2 (66.67%) Root Cause Analysis
3 1 (33.33%) Creative Problem-Solving
3 1 (33.33%) Problem-Solving
3 1 (33.33%) Software Testing
Programming Languages
1 3 (100.00%) Assembly Language
1 3 (100.00%) REXX
2 2 (66.67%) COBOL
2 2 (66.67%) HLASM
2 2 (66.67%) JCL
3 1 (33.33%) Python
Systems Management
1 3 (100.00%) Ansible
2 2 (66.67%) OMEGAMON
Vendors
1 2 (66.67%) IBM
1 2 (66.67%) ServiceNow