Mainframe Contracts in Central London

Mainframes
London > Central London

The table below looks at the prevalence of the term Mainframe in contract job vacancies in Central London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Mainframe over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 117 125 164
Rank change year-on-year +8 +39 +30
Contract jobs citing Mainframe 12 8 8
As % of all contract jobs advertised in Central London 0.60% 0.33% 0.21%
As % of the Miscellaneous category 1.76% 1.07% 0.57%
Number of daily rates quoted 8 4 5
10th Percentile £325 - -
25th Percentile £353 £525 £550
Median daily rate (50th Percentile) £432 £550 £600
Median % change year-on-year -21.45% -8.33% -7.69%
75th Percentile £493 £575 £675
90th Percentile £566 - £720
London median daily rate £474 £593 £563
% change year-on-year -20.00% +5.33% -6.25%

All Generic Skills
Central London

Mainframe falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in Central London.

Contract vacancies with a requirement for generic IT skills 681 749 1,399
As % of all contract IT jobs advertised in Central London 34.10% 30.62% 36.29%
Number of daily rates quoted 437 524 960
10th Percentile £361 £275 £313
25th Percentile £465 £425 £475
Median daily rate (50th Percentile) £575 £575 £605
Median % change year-on-year - -4.96% +5.22%
75th Percentile £695 £700 £750
90th Percentile £780 £850 £850
London median daily rate £575 £583 £600
% change year-on-year -1.29% -2.92% -
Number of hourly rates quoted 5 10 16
10th Percentile £23.78 £12.75 £18.42
25th Percentile £26.45 £16.73 £24.00
Median hourly rate £29.07 £23.00 £35.00
Median % change year-on-year +26.39% -34.29% -27.08%
75th Percentile £31.00 £26.25 £84.89
90th Percentile £72.40 £29.78 £88.30
London median hourly rate £34.50 £26.00 £35.00
% change year-on-year +32.69% -25.71% -21.35%

Mainframe
Job Vacancy Trend in Central London

Job postings citing Mainframe as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for Mainframe in Central London

Mainframe
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing Mainframe in Central London.

Daily rate trend for Mainframe in Central London

Mainframe
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Mainframe in Central London over the 6 months to 1 May 2025.

Daily rate histogram for Mainframe in Central London

Mainframe
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing Mainframe in Central London.

Hourly rate trend for Mainframe in Central London

Mainframe
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Mainframe within the Central London region over the 6 months to 1 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
City of London +11 11 £474 -13.82% 1
Camden - 2 £474 -
West End of London - 2 £474 -
Mainframe
London

Mainframe
Co-occurring Skills and Capabilities in Central London 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 3 (25.00%) CICS
2 1 (8.33%) SAS
Cloud Services
1 4 (33.33%) AWS
1 4 (33.33%) Azure
Database & Business Intelligence
1 2 (16.67%) DB2
2 1 (8.33%) Oracle Database
2 1 (8.33%) PostgreSQL
2 1 (8.33%) Redis
Development Applications
1 3 (25.00%) GitLab
2 2 (16.67%) ChangeMan
3 1 (8.33%) Atlassian Bamboo
3 1 (8.33%) Git
3 1 (8.33%) Jenkins
3 1 (8.33%) JIRA
3 1 (8.33%) JUnit
3 1 (8.33%) Maven
3 1 (8.33%) Mockito
3 1 (8.33%) Postman
3 1 (8.33%) REST Assured
3 1 (8.33%) SoapUI
3 1 (8.33%) SonarQube
3 1 (8.33%) Subversion
3 1 (8.33%) Xcode
3 1 (8.33%) XCTest
General
1 7 (58.33%) Finance
2 6 (50.00%) Social Skills
3 5 (41.67%) Banking
4 4 (33.33%) Analytical Skills
Job Titles
1 3 (25.00%) Architect
1 3 (25.00%) Programmer
1 3 (25.00%) Solutions Architect
1 3 (25.00%) Systems Programmer
1 3 (25.00%) z/OS Systems Programmer
2 2 (16.67%) Consultant
2 2 (16.67%) DevOps Engineer
2 2 (16.67%) Lead
2 2 (16.67%) Lead Architect
2 2 (16.67%) Lead Solutions Architect
2 2 (16.67%) Mainframe Architect
2 2 (16.67%) Senior
3 1 (8.33%) COBOL Developer
3 1 (8.33%) Infrastructure Architect
3 1 (8.33%) Infrastructure Solutions Architect
3 1 (8.33%) Java Developer
3 1 (8.33%) Mainframe Developer
3 1 (8.33%) Senior Architect
3 1 (8.33%) Senior Infrastructure Architect
3 1 (8.33%) Senior Solutions Architect
Libraries, Frameworks & Software Standards
1 3 (25.00%) ISPF
2 1 (8.33%) AngularJS
2 1 (8.33%) Bootstrap
2 1 (8.33%) CSS
2 1 (8.33%) CSS3
2 1 (8.33%) Hibernate
2 1 (8.33%) HTML
2 1 (8.33%) HTML5
2 1 (8.33%) J2EE
2 1 (8.33%) JPA
2 1 (8.33%) Kafka
2 1 (8.33%) Material-UI
2 1 (8.33%) REST
2 1 (8.33%) SOAP
2 1 (8.33%) Spring
2 1 (8.33%) Spring Boot
2 1 (8.33%) Spring Cloud
2 1 (8.33%) Spring MVC
2 1 (8.33%) Swagger
2 1 (8.33%) Web Services
Miscellaneous
1 2 (16.67%) Analytical Mindset
1 2 (16.67%) DataPower
1 2 (16.67%) iSeries
2 1 (8.33%) Distributed Systems
Operating Systems
1 3 (25.00%) zOS
2 1 (8.33%) Unix
Processes & Methodologies
1 6 (50.00%) Problem-Solving
2 4 (33.33%) Migration
3 3 (25.00%) Agile
3 3 (25.00%) Architectural Design
3 3 (25.00%) SDLC
4 2 (16.67%) CI/CD
4 2 (16.67%) Containerisation
4 2 (16.67%) Data Migration
4 2 (16.67%) DevOps
4 2 (16.67%) Infrastructure as Code
4 2 (16.67%) Resource Management
4 2 (16.67%) Risk Management
4 2 (16.67%) Software Engineering
4 2 (16.67%) Task Automation
5 1 (8.33%) Data Conversion
5 1 (8.33%) Multithreading
5 1 (8.33%) MVC
5 1 (8.33%) Performance Testing
5 1 (8.33%) Release Management
5 1 (8.33%) Software Architecture
Programming Languages
1 5 (41.67%) REXX
2 4 (33.33%) JCL
3 3 (25.00%) Java
4 2 (16.67%) Python
5 1 (8.33%) Assembly Language
5 1 (8.33%) CLIST
5 1 (8.33%) COBOL
5 1 (8.33%) Groovy
5 1 (8.33%) JavaScript
5 1 (8.33%) Shell Script
5 1 (8.33%) SQL
System Software
1 3 (25.00%) Docker
1 3 (25.00%) Time Sharing Option
Systems Management
1 3 (25.00%) Kubernetes
2 2 (16.67%) Terraform
3 1 (8.33%) OMEGAMON
Vendors
1 3 (25.00%) IBM
2 2 (16.67%) Micro Focus
3 1 (8.33%) BT
3 1 (8.33%) CA Agile Central
3 1 (8.33%) Dynatrace
3 1 (8.33%) Guidewire
3 1 (8.33%) Oracle
3 1 (8.33%) Splunk