zOS Contracts in England

IBM z/OS
UK > England

The table below provides summary statistics for contract job vacancies advertised in England requiring zOS skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited zOS over the 6 months leading up to 31 May 2025, comparing them to the same period in the previous two years.

6 months to
31 May 2025
Same period 2024 Same period 2023
Rank 455 417 600
Rank change year-on-year -38 +183 +126
Contract jobs citing zOS 31 119 38
As % of all contract jobs advertised in England 0.13% 0.32% 0.080%
As % of the Operating Systems category 0.91% 2.35% 0.49%
Number of daily rates quoted 18 74 9
10th Percentile £325 £372 £463
25th Percentile £389 £415 £500
Median daily rate (50th Percentile) £454 £459 £563
Median % change year-on-year -1.14% -18.40% +2.27%
75th Percentile £598 £588 £650
90th Percentile £600 £634 £681
UK median daily rate £488 £459 £600
% change year-on-year +6.21% -23.50% +18.81%

All Operating Systems
England

zOS falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring operating system skills in England.

Contract vacancies with a requirement for operating system skills 3,401 5,069 7,707
As % of all contract IT jobs advertised in England 14.04% 13.79% 16.22%
Number of daily rates quoted 2,320 3,444 5,423
10th Percentile £200 £185 £193
25th Percentile £313 £300 £326
Median daily rate (50th Percentile) £470 £475 £510
Median % change year-on-year -1.05% -6.86% +2.00%
75th Percentile £588 £588 £638
90th Percentile £694 £700 £725
UK median daily rate £468 £475 £500
% change year-on-year -1.58% -5.00% -
Number of hourly rates quoted 160 372 358
10th Percentile £15.12 £12.75 £13.29
25th Percentile £17.33 £15.50 £17.86
Median hourly rate £20.64 £22.50 £43.13
Median % change year-on-year -8.27% -47.83% +100.58%
75th Percentile £55.00 £62.13 £65.00
90th Percentile £68.00 £70.00 £75.00
UK median hourly rate £22.25 £22.50 £43.93
% change year-on-year -1.11% -48.78% +99.68%

zOS
Job Vacancy Trend in England

Job postings citing zOS as a proportion of all IT jobs advertised in England.

Job vacancy trend for zOS in England

zOS
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing zOS in England.

Daily rate trend for zOS in England

zOS
Daily Rate Histogram in England

Daily rate distribution for jobs citing zOS in England over the 6 months to 31 May 2025.

Daily rate histogram for zOS in England

zOS
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing zOS in England.

Hourly rate trend for zOS in England

zOS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing zOS within the England region over the 6 months to 31 May 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
London +31 12 £410 -13.68% 15
North of England -37 11 £405 -5.81% 6
Yorkshire -36 8 £531 +23.55% 3
South West +50 6 £600 -
North West +7 3 £402 -47.28% 3
zOS
UK

zOS
Co-occurring Skills and Capabilities in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 10 (32.26%) CICS
2 7 (22.58%) SAS
3 2 (6.45%) Confluence
4 1 (3.23%) Microsoft Exchange
Applications
1 2 (6.45%) Microsoft Excel
2 1 (3.23%) Microsoft Office
2 1 (3.23%) Microsoft PowerPoint
Cloud Services
1 2 (6.45%) AWS
2 1 (3.23%) Apigee
2 1 (3.23%) Azure
2 1 (3.23%) GCP
Communications & Networking
1 1 (3.23%) DWDM
1 1 (3.23%) SNA
1 1 (3.23%) TCP/IP
Database & Business Intelligence
1 6 (19.35%) DB2
2 3 (9.68%) Easytrieve
Development Applications
1 3 (9.68%) JIRA
2 1 (3.23%) GitLab
2 1 (3.23%) Jenkins
2 1 (3.23%) Visual Studio
General
1 12 (38.71%) Social Skills
2 9 (29.03%) Finance
3 8 (25.81%) Banking
4 7 (22.58%) Analytical Skills
5 2 (6.45%) Public Sector
6 1 (3.23%) Financial Institution
6 1 (3.23%) Organisational Skills
6 1 (3.23%) Retail
Job Titles
1 10 (32.26%) Programmer
1 10 (32.26%) Systems Programmer
1 10 (32.26%) z/OS Systems Programmer
2 6 (19.35%) Administrator
2 6 (19.35%) Security Administrator
3 2 (6.45%) Architect
3 2 (6.45%) Assembler Developer
3 2 (6.45%) Designer
3 2 (6.45%) Developer
3 2 (6.45%) Mainframe Assembler Developer
3 2 (6.45%) Mainframe Designer
3 2 (6.45%) Mainframe Developer
3 2 (6.45%) Senior
3 2 (6.45%) Solutions Architect
3 2 (6.45%) z/OS Engineer
3 2 (6.45%) z/OS Specialist
4 1 (3.23%) Analyst
4 1 (3.23%) Consultant
4 1 (3.23%) Integration Architect
4 1 (3.23%) Network Engineer
Libraries, Frameworks & Software Standards
1 15 (48.39%) ISPF
2 3 (9.68%) Web Services
3 2 (6.45%) REST
3 2 (6.45%) RESTful
3 2 (6.45%) Spring Boot
4 1 (3.23%) JSON
4 1 (3.23%) JWT
4 1 (3.23%) Kafka
4 1 (3.23%) Middleware
4 1 (3.23%) OAuth
4 1 (3.23%) SOAP
4 1 (3.23%) Spring
4 1 (3.23%) WSDL
4 1 (3.23%) XSLT
Miscellaneous
1 30 (96.77%) Mainframe
2 7 (22.58%) IBM Mainframe
3 6 (19.35%) Management Information System
4 3 (9.68%) VSAM
5 2 (6.45%) Legacy Systems
6 1 (3.23%) Cloud Native
6 1 (3.23%) Clustering
6 1 (3.23%) Data Protection Act
6 1 (3.23%) DataPower
6 1 (3.23%) Distributed Applications
6 1 (3.23%) Distributed Systems
6 1 (3.23%) LPAR
6 1 (3.23%) Product Ownership
6 1 (3.23%) Team-Oriented Environment
6 1 (3.23%) Wiki
Operating Systems
1 1 (3.23%) Linux
1 1 (3.23%) MVS
1 1 (3.23%) Unix
1 1 (3.23%) Windows
Processes & Methodologies
1 17 (54.84%) Problem-Solving
2 7 (22.58%) Performance Monitoring
2 7 (22.58%) Risk Management
3 6 (19.35%) Security Auditing
3 6 (19.35%) Security Management
4 5 (16.13%) Incident Response
4 5 (16.13%) Migration
5 4 (12.90%) Agile
6 3 (9.68%) DevOps
6 3 (9.68%) Project Delivery
6 3 (9.68%) SDLC
6 3 (9.68%) Service Delivery
7 2 (6.45%) API Integration
7 2 (6.45%) Batch Processing
7 2 (6.45%) Integration Patterns
7 2 (6.45%) Performance Optimisation
7 2 (6.45%) Test Automation
8 1 (3.23%) Continuous Improvement
8 1 (3.23%) High Availability
8 1 (3.23%) Waterfall
Programming Languages
1 22 (70.97%) JCL
2 16 (51.61%) REXX
3 11 (35.48%) Assembly Language
4 9 (29.03%) CLIST
5 6 (19.35%) COBOL
6 2 (6.45%) HLASM
6 2 (6.45%) Java
7 1 (3.23%) SQL
7 1 (3.23%) XPath
Qualifications
1 6 (19.35%) CISSP
1 6 (19.35%) IBM Certification
2 1 (3.23%) Degree
2 1 (3.23%) Security Cleared
Quality Assurance & Compliance
1 4 (12.90%) QA
2 1 (3.23%) SLA
System Software
1 14 (45.16%) Time Sharing Option
2 7 (22.58%) RACF
3 2 (6.45%) ACF2
3 2 (6.45%) Job Entry Subsystem
4 1 (3.23%) Microcode
4 1 (3.23%) Virtual Machines
Systems Management
1 7 (22.58%) OMEGAMON
2 2 (6.45%) CA Endevor
3 1 (3.23%) Ansible
3 1 (3.23%) Control-M
3 1 (3.23%) Tivoli NetView
Vendors
1 28 (90.32%) IBM
2 3 (9.68%) Microsoft
3 1 (3.23%) Syncsort