Mainframe Contract Job Trends

Mainframes
UK

The table below looks at the prevalence of the term Mainframe in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Mainframe over the 6 months leading up to 19 December 2025, comparing them to the same period in the previous two years.

6 months to
19 Dec 2025
Same period 2024 Same period 2023
Rank 435 413 431
Rank change year-on-year -22 +18 +118
Contract jobs citing Mainframe 150 132 175
As % of all contract jobs in the UK 0.41% 0.39% 0.40%
As % of the Miscellaneous category 1.16% 1.21% 1.25%
Number of daily rates quoted 83 78 84
10th Percentile £313 £379 £403
25th Percentile £350 £463 £430
Median daily rate (50th Percentile) £450 £525 £525
Median % change year-on-year -14.29% - -12.50%
75th Percentile £531 £575 £600
90th Percentile £760 £613 £710
UK excluding London median daily rate £364 £525 £500
% change year-on-year -30.71% +5.00% +23.46%
Number of hourly rates quoted 0 1 1
10th Percentile - - -
25th Percentile - - £68.75
Median hourly rate - £44.04 £72.50
Median % change year-on-year - -39.26% -
75th Percentile - - £76.25
90th Percentile - - -
UK excluding London median hourly rate - £44.04 -

All Generic Skills
UK

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.

Contract vacancies with a requirement for generic IT skills 12,897 10,908 13,970
As % of all contract IT jobs advertised in the UK 35.02% 31.91% 31.64%
Number of daily rates quoted 8,055 6,528 9,313
10th Percentile £275 £269 £263
25th Percentile £406 £410 £413
Median daily rate (50th Percentile) £505 £538 £550
Median % change year-on-year -6.05% -2.27% -
75th Percentile £625 £656 £668
90th Percentile £738 £775 £770
UK excluding London median daily rate £475 £500 £500
% change year-on-year -5.00% - -
Number of hourly rates quoted 648 339 495
10th Percentile £13.80 £17.45 £16.50
25th Percentile £18.03 £22.86 £20.50
Median hourly rate £27.21 £33.00 £42.50
Median % change year-on-year -17.55% -22.35% +21.43%
75th Percentile £59.31 £64.63 £65.00
90th Percentile £74.26 £78.47 £77.20
UK excluding London median hourly rate £27.50 £32.50 £45.21
% change year-on-year -15.38% -28.11% +52.12%

Mainframe
Job Vacancy Trend

Historical trend showing the proportion of contract IT job postings citing Mainframe relative to all contract IT jobs advertised.

Mainframe job vacancy trend in the UK

Mainframe
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing Mainframe.

Contractor daily rate distribution trend for jobs in the UK citing Mainframe

Mainframe
Daily Rate Histogram

Daily rate distribution for jobs citing Mainframe over the 6 months to 19 December 2025.

Daily rate histogram for Mainframe in the UK

Mainframe
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing Mainframe.

Contractor hourly rate distribution trend for jobs in the UK citing Mainframe

Mainframe
Top 13 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Mainframe within the UK over the 6 months to 19 December 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 +4 132 £425 -19.05% 8
UK excluding London -20 66 £364 -30.71% 7
London -1 64 £493 -1.50% 4
Work from Home -13 57 £486 -7.38% 7
North of England -27 44 £350 -12.50% 1
Yorkshire -27 28 £355 -24.27%
North West -18 16 £338 -15.63% 1
Midlands -32 11 £447 -14.86% 2
East Midlands -12 7 £437 -8.91%
South East -17 7 £1,000 +90.48% 1
West Midlands -30 4 £499 -13.26% 2
Scotland -10 2 £375 -31.82% 3
East of England -20 2 £475 -

Mainframe
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 35 (23.33%) CICS
2 11 (7.33%) CMS
3 6 (4.00%) SAS
4 3 (2.00%) Confluence
5 2 (1.33%) Tomcat
5 2 (1.33%) WebSphere
6 1 (0.67%) Microsoft Exchange
6 1 (0.67%) MQSeries
6 1 (0.67%) WebSphere Application Server
Applications
1 13 (8.67%) Microsoft Excel
2 7 (4.67%) Microsoft PowerPoint
3 1 (0.67%) MS Visio
Business Applications
1 11 (7.33%) VisionPLUS
2 1 (0.67%) Maximo
Cloud Services
1 26 (17.33%) AWS
2 21 (14.00%) Azure
3 10 (6.67%) Power Platform
4 6 (4.00%) Amazon CloudWatch
4 6 (4.00%) AWS Lambda
4 6 (4.00%) Serverless
5 5 (3.33%) GCP
5 5 (3.33%) SaaS
6 4 (2.67%) IaaS
6 4 (2.67%) PaaS
6 4 (2.67%) PowerApps
7 2 (1.33%) Amazon S3
7 2 (1.33%) GitHub
8 1 (0.67%) Amazon EC2
8 1 (0.67%) Amazon ECS
8 1 (0.67%) Amazon EKS
8 1 (0.67%) Amazon MSK
Communications & Networking
1 3 (2.00%) Network Security
1 3 (2.00%) SNA
1 3 (2.00%) TCP/IP
2 2 (1.33%) APPN
2 2 (1.33%) Firewall
2 2 (1.33%) NAS
3 1 (0.67%) Cisco Nexus
3 1 (0.67%) FCoE
3 1 (0.67%) Fibre Channel
3 1 (0.67%) IP Telephony
3 1 (0.67%) iSCSI
3 1 (0.67%) LAN
3 1 (0.67%) Multicast
3 1 (0.67%) SAN
3 1 (0.67%) SMS
3 1 (0.67%) VoIP
3 1 (0.67%) VPN
3 1 (0.67%) WAN
Database & Business Intelligence
1 23 (15.33%) DB2
2 10 (6.67%) Power BI
3 6 (4.00%) PostgreSQL
4 5 (3.33%) DynamoDB
4 5 (3.33%) Relational Database
5 4 (2.67%) Data Mining
6 3 (2.00%) IMS/DB
7 2 (1.33%) Adabas
7 2 (1.33%) Amazon Aurora
7 2 (1.33%) Data Lake
7 2 (1.33%) Delta Lake
7 2 (1.33%) NoSQL
7 2 (1.33%) Oracle Database
7 2 (1.33%) SQL Server
8 1 (0.67%) Amazon Athena
8 1 (0.67%) Amazon RDS
8 1 (0.67%) Amazon Redshift
8 1 (0.67%) BusinessObjects
8 1 (0.67%) Oracle Discoverer
8 1 (0.67%) Oracle Reports
Development Applications
1 8 (5.33%) ChangeMan
2 6 (4.00%) JIRA
3 5 (3.33%) GitLab
4 3 (2.00%) IBM UrbanCode
4 3 (2.00%) Jenkins
5 2 (1.33%) GCC
5 2 (1.33%) Selenium
6 1 (0.67%) Atlassian Bamboo
6 1 (0.67%) Git
6 1 (0.67%) JUnit
6 1 (0.67%) Maven
6 1 (0.67%) Mockito
6 1 (0.67%) Postman
6 1 (0.67%) REST Assured
6 1 (0.67%) SoapUI
6 1 (0.67%) SonarQube
6 1 (0.67%) Sonatype Nexus
6 1 (0.67%) Subversion
6 1 (0.67%) Xcode
6 1 (0.67%) XCTest
General
1 49 (32.67%) Social Skills
2 43 (28.67%) Finance
3 33 (22.00%) Banking
4 14 (9.33%) Analytical Skills
5 8 (5.33%) Presentation Skills
6 7 (4.67%) Documentation Skills
7 6 (4.00%) Retail
8 5 (3.33%) Billing
9 4 (2.67%) Public Sector
10 3 (2.00%) Automotive
10 3 (2.00%) Financial Institution
10 3 (2.00%) Marketing
10 3 (2.00%) Organisational Skills
11 2 (1.33%) Legal
12 1 (0.67%) Law
12 1 (0.67%) Retail Banking
Job Titles
1 29 (19.33%) Developer
2 18 (12.00%) Analyst
3 16 (10.67%) Programmer
4 15 (10.00%) Senior
5 13 (8.67%) Administrator
5 13 (8.67%) Systems Programmer
6 11 (7.33%) Mainframe Developer
6 11 (7.33%) Mainframe Programmer
7 9 (6.00%) Architect
8 8 (5.33%) Mainframe Systems Programmer
8 8 (5.33%) z/OS Systems Programmer
9 6 (4.00%) Data Analyst
9 6 (4.00%) Report Analyst
10 5 (3.33%) COBOL Developer
10 5 (3.33%) Designer
10 5 (3.33%) Mainframe Analyst
10 5 (3.33%) Security Analyst
11 4 (2.67%) CICS Programmer
11 4 (2.67%) Platform Engineer
11 4 (2.67%) z/OS Engineer
Libraries, Frameworks & Software Standards
1 23 (15.33%) ISPF
2 5 (3.33%) .NET
3 4 (2.67%) Kafka
3 4 (2.67%) Middleware
3 4 (2.67%) REST
4 3 (2.00%) Elastic Stack
4 3 (2.00%) Spring
4 3 (2.00%) Spring Boot
4 3 (2.00%) Web Services
5 2 (1.33%) LDAP
5 2 (1.33%) OAuth
6 1 (0.67%) AngularJS
6 1 (0.67%) CSS3
6 1 (0.67%) HTML5
6 1 (0.67%) JPA
6 1 (0.67%) JWT
6 1 (0.67%) Material-UI
6 1 (0.67%) SailPoint
6 1 (0.67%) Spring Cloud
6 1 (0.67%) Spring MVC
Miscellaneous
1 16 (10.67%) Legacy Systems
2 15 (10.00%) Data Centre
3 14 (9.33%) IBM Mainframe
3 14 (9.33%) VSAM
4 8 (5.33%) Replication
5 7 (4.67%) Data Protection Act
5 7 (4.67%) DataPower
6 6 (4.00%) AS400
6 6 (4.00%) Onboarding
6 6 (4.00%) Public Cloud
7 3 (2.00%) Hybrid Cloud
7 3 (2.00%) Virtual Team
8 2 (1.33%) Clustering
8 2 (1.33%) iSeries
8 2 (1.33%) Legacy Applications
8 2 (1.33%) Mobile App
8 2 (1.33%) Video\Live Streaming
9 1 (0.67%) Algorithms
9 1 (0.67%) Data Structures
9 1 (0.67%) Private Cloud
Operating Systems
1 43 (28.67%) zOS
2 12 (8.00%) Windows
3 7 (4.67%) Linux
4 4 (2.67%) Windows Server
5 3 (2.00%) MVS
5 3 (2.00%) Solaris
6 2 (1.33%) OS/2
6 2 (1.33%) VME
7 1 (0.67%) AIX
7 1 (0.67%) Apple iOS
7 1 (0.67%) Unix
Processes & Methodologies
1 34 (22.67%) Migration
2 30 (20.00%) DevOps
3 29 (19.33%) ITIL
4 24 (16.00%) Problem-Solving
5 22 (14.67%) Performance Tuning
6 21 (14.00%) Agile
7 17 (11.33%) High Availability
8 14 (9.33%) Change Management
9 13 (8.67%) Service Management
10 11 (7.33%) Release Management
11 10 (6.67%) Budgeting
11 10 (6.67%) Continuous Improvement
11 10 (6.67%) Cost Management
11 10 (6.67%) Observability
11 10 (6.67%) Root Cause Analysis
11 10 (6.67%) Virtual Environments
12 9 (6.00%) Cost Reduction
12 9 (6.00%) Cybersecurity
12 9 (6.00%) Runbook
12 9 (6.00%) Storage Management
Programming Languages
1 43 (28.67%) REXX
2 42 (28.00%) JCL
3 39 (26.00%) COBOL
4 24 (16.00%) CLIST
5 14 (9.33%) SQL
6 12 (8.00%) Assembly Language
7 11 (7.33%) Python
8 10 (6.67%) Java
9 6 (4.00%) PL/1
10 5 (3.33%) Shell Script
11 4 (2.67%) HLASM
12 3 (2.00%) PowerShell
13 2 (1.33%) Natural
14 1 (0.67%) Bash
14 1 (0.67%) Groovy
14 1 (0.67%) JavaScript
14 1 (0.67%) PL/SQL
14 1 (0.67%) VBA
Qualifications
1 4 (2.67%) Security Cleared
2 3 (2.00%) Degree
2 3 (2.00%) SC Cleared
3 2 (1.33%) BPSS Clearance
4 1 (0.67%) Computer Science Degree
4 1 (0.67%) Oracle Certification
4 1 (0.67%) PMI Certification
4 1 (0.67%) Six Sigma Green Belt
Quality Assurance & Compliance
1 4 (2.67%) Data Quality
2 2 (1.33%) QA
2 2 (1.33%) Sarbanes-Oxley
3 1 (0.67%) ISO 20022
System Software
1 26 (17.33%) RACF
2 19 (12.67%) Time Sharing Option
3 10 (6.67%) Job Entry Subsystem
4 8 (5.33%) ACF2
5 4 (2.67%) Hyper-V
5 4 (2.67%) VMware Infrastructure
6 2 (1.33%) Active Directory
6 2 (1.33%) Docker
6 2 (1.33%) KVM
7 1 (0.67%) NFS
7 1 (0.67%) SRDF
7 1 (0.67%) Veritas Cluster Server
7 1 (0.67%) Xen
Systems Management
1 22 (14.67%) CA Endevor
2 16 (10.67%) OMEGAMON
3 8 (5.33%) Tivoli NetView
4 7 (4.67%) Tivoli
4 7 (4.67%) Tivoli Storage Manager
5 6 (4.00%) Ansible
6 4 (2.67%) Kubernetes
7 3 (2.00%) Control-M
7 3 (2.00%) Terraform
7 3 (2.00%) zSecure
8 1 (0.67%) Grafana
8 1 (0.67%) Puppet
Vendors
1 51 (34.00%) IBM
2 14 (9.33%) Microsoft
3 13 (8.67%) BMC
4 12 (8.00%) Broadcom
5 9 (6.00%) Oracle
6 7 (4.67%) ServiceNow
7 5 (3.33%) Splunk
8 4 (2.67%) VMware
9 3 (2.00%) NetApp
9 3 (2.00%) Qualys
10 2 (1.33%) Cisco
10 2 (1.33%) CyberArk
10 2 (1.33%) Databricks
10 2 (1.33%) EMC
10 2 (1.33%) F5
10 2 (1.33%) ICL
10 2 (1.33%) Syncsort
11 1 (0.67%) CA Agile Central
11 1 (0.67%) Dynatrace
11 1 (0.67%) Pure Storage