IBM Mainframe Job Trends in the Thames Valley

IBM Mainframe
South East > Thames Valley

The table below looks at the prevalence of the term IBM Mainframe in permanent job vacancies in the Thames Valley. Included is a benchmarking guide to the salaries offered in vacancies that cited IBM Mainframe over the 6 months leading up to 24 October 2025, comparing them to the same period in the previous two years.

6 months to
24 Oct 2025
Same period 2024 Same period 2023
Rank 195 - -
Rank change year-on-year - - -
Permanent jobs citing IBM Mainframe 1 0 0
As % of all permanent jobs in the Thames Valley 0.026% - -
As % of the Miscellaneous category 0.065% - -
Number of salaries quoted 1 0 0
Median annual salary (50th Percentile) £65,000 - -
South East median annual salary £65,000 - -

All Generic Skills
Thames Valley

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

Permanent vacancies with a requirement for generic IT skills 1,542 1,379 1,230
As % of all permanent jobs advertised in the Thames Valley 40.26% 31.49% 35.90%
Number of salaries quoted 678 560 803
10th Percentile £27,350 £32,750 £32,500
25th Percentile £35,125 £41,243 £41,250
Median annual salary (50th Percentile) £47,500 £56,252 £56,525
Median % change year-on-year -15.56% -0.48% +2.77%
75th Percentile £67,500 £72,500 £72,500
90th Percentile £80,000 £86,150 £85,000
South East median annual salary £45,000 £55,000 £55,000
% change year-on-year -18.18% - -0.12%

IBM Mainframe
Job Vacancy Trend in the Thames Valley

Historical trend showing the proportion of permanent IT job postings citing IBM Mainframe relative to all permanent IT jobs advertised in the Thames Valley.

IBM Mainframe job vacancy trend in the Thames Valley

IBM Mainframe
Salary Trend in the Thames Valley

Salary distribution trend for jobs in the Thames Valley citing IBM Mainframe.

Salary distribution trend for jobs in the Thames Valley citing IBM Mainframe

IBM Mainframe
Job Locations in the Thames Valley

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IBM Mainframe within the Thames Valley region over the 6 months to 24 October 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Buckinghamshire - 1 £65,000 - 1
IBM Mainframe
South East

IBM Mainframe
Co-Occurring Skills & Capabilities in the Thames Valley 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 1 (100.00%) Apache Spark
1 1 (100.00%) SAS
Database & Business Intelligence
1 1 (100.00%) Hadoop
General
1 1 (100.00%) Analytical Skills
1 1 (100.00%) Banking
1 1 (100.00%) Finance
Job Titles
1 1 (100.00%) Data Engineer
Miscellaneous
1 1 (100.00%) Data Structures
1 1 (100.00%) Mainframe
1 1 (100.00%) Team-Oriented Environment
Processes & Methodologies
1 1 (100.00%) Computer Science
1 1 (100.00%) Data Analysis
1 1 (100.00%) Data Engineering
1 1 (100.00%) Data Modelling
1 1 (100.00%) Data Pipeline
1 1 (100.00%) ETL
1 1 (100.00%) Performance Tuning
1 1 (100.00%) Problem-Solving
Programming Languages
1 1 (100.00%) Python
1 1 (100.00%) SQL
Qualifications
1 1 (100.00%) Computer Science Degree
1 1 (100.00%) Degree
1 1 (100.00%) Master's Degree
Quality Assurance & Compliance
1 1 (100.00%) Data Quality
Vendors
1 1 (100.00%) IBM