Period
to 3 March 2021

The following table provides summary statistics for permanent job vacancies with a requirement for zOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited zOS over the 6 months to 3 March 2021 with a comparison to the same period in the previous 2 years.

IBM z/OS
UK
6 months to
3 Mar 2021
Same period 2020 Same period 2019
Rank 795 966 1064
Rank change year-on-year +171 +98 +102
Permanent jobs citing zOS 17 43 59
As % of all permanent jobs advertised in the UK 0.022% 0.035% 0.040%
As % of the Operating Systems category 0.11% 0.16% 0.17%
Number of salaries quoted 12 38 44
Median annual salary £63,250 £71,250 £47,500
Median salary % change year-on-year -11.23% +50.00% -9.52%
10th Percentile £53,750 £47,500 £31,250
90th Percentile £76,250 £102,500 £95,000
UK excluding London median annual salary £64,000 £80,000 £47,500
% change year-on-year -20.00% +68.42% -9.52%

zOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for operating system skills.

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 15,040 26,861 34,574
As % of all permanent IT jobs advertised in the UK 19.87% 21.99% 23.15%
Number of salaries quoted 12,198 21,819 28,170
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £27,500 £25,500 £25,750
90th Percentile £81,250 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19% +5.00%

zOS
Job Vacancy Trend

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

Job vacancy trend for zOS in the UK

zOS
Salary Trend

3-month moving average salary quoted in jobs citing zOS.

Salary trend for zOS in the UK

zOS
Top 7 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing zOS within the UK over the 6 months to 3 March 2021. 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
Job
Vacancies
England +190 16 £62,500 -3.85%
London +170 13 £62,500 -3.85%
UK excluding London +132 4 £64,000 -20.00%
South East +126 2 - -
Midlands +49 1 - -
West Midlands +46 1 - -
Scotland +28 1 £64,000 -22.42%

For the 6 months to 3 March 2021, IT jobs citing zOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for zOS.

1 14 (82.35%) Linux
2 12 (70.59%) Windows
3 11 (64.71%) Unix
3 11 (64.71%) Java
3 11 (64.71%) .NET
3 11 (64.71%) Configuration Management
3 11 (64.71%) Stakeholder Management
3 11 (64.71%) Google
3 11 (64.71%) Continuous Integration
3 11 (64.71%) Azure
3 11 (64.71%) AWS
3 11 (64.71%) Puppet
3 11 (64.71%) Opscode Chef
3 11 (64.71%) Ansible
3 11 (64.71%) Docker
3 11 (64.71%) DevOps
3 11 (64.71%) Kubernetes
3 11 (64.71%) CoreOS
3 11 (64.71%) Terraform
3 11 (64.71%) Disruptive Innovation
3 11 (64.71%) Infrastructure as Code
4 9 (52.94%) Banking
5 6 (35.29%) Gerrit
5 6 (35.29%) Visual Studio Team System
5 6 (35.29%) Git (software)
5 6 (35.29%) Team Foundation Server
5 6 (35.29%) GitLab
5 6 (35.29%) Bitbucket
5 6 (35.29%) Insurtech
6 5 (29.41%) EMIR

zOS
Co-occurring IT Skills by Category

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

Application Platforms
1 1 (5.88%) CICS
Cloud Services
1 11 (64.71%) AWS
1 11 (64.71%) Azure
Communications & Networking
1 1 (5.88%) SNA
Database & Business Intelligence
1 3 (17.65%) DB2
Development Applications
1 6 (35.29%) Bitbucket
1 6 (35.29%) Gerrit
1 6 (35.29%) Git (software)
1 6 (35.29%) GitLab
1 6 (35.29%) Team Foundation Server
1 6 (35.29%) Visual Studio Team System
General
1 9 (52.94%) Banking
2 5 (29.41%) Front Office
2 5 (29.41%) Investment Banking
3 3 (17.65%) Finance
4 1 (5.88%) Automotive
4 1 (5.88%) Retail
Job Titles
1 11 (64.71%) DevOps Engineer
1 11 (64.71%) Java Engineer
1 11 (64.71%) Linux DevOps Engineer
1 11 (64.71%) Linux Engineer
1 11 (64.71%) Linux/Unix DevOps
2 5 (29.41%) AWS DevOps
2 5 (29.41%) AWS DevOps Engineer
2 5 (29.41%) AWS Engineer
2 5 (29.41%) Cloud Engineer
3 2 (11.76%) Programmer
3 2 (11.76%) Systems Programmer
3 2 (11.76%) z/OS Systems Programmer
4 1 (5.88%) Administrator
4 1 (5.88%) Senior Electronics Engineer
4 1 (5.88%) Senior Support Engineer
4 1 (5.88%) Support Engineer
4 1 (5.88%) Technical Engineer
4 1 (5.88%) Technical Support
4 1 (5.88%) Technical Support Engineer
4 1 (5.88%) z/OS Engineer
Libraries, Frameworks & Software Standards
1 11 (64.71%) .NET
2 4 (23.53%) ISPF
3 2 (11.76%) Middleware
Miscellaneous
1 5 (29.41%) Equities
1 5 (29.41%) Mainframe
2 1 (5.88%) EFT
Operating Systems
1 14 (82.35%) Linux
2 12 (70.59%) Windows
3 11 (64.71%) CoreOS
3 11 (64.71%) Unix
4 1 (5.88%) Windows Server
Processes & Methodologies
1 11 (64.71%) Configuration Management
1 11 (64.71%) Continuous Integration
1 11 (64.71%) DevOps
1 11 (64.71%) Disruptive Innovation
1 11 (64.71%) Infrastructure as Code
1 11 (64.71%) Stakeholder Management
2 6 (35.29%) Insurtech
3 3 (17.65%) Data Sharing
3 3 (17.65%) Infrastructure Engineering
4 1 (5.88%) Agile Software Development
4 1 (5.88%) Collaborative Working
4 1 (5.88%) Decision-Making
4 1 (5.88%) Migration
4 1 (5.88%) Performance Tuning
4 1 (5.88%) Problem-Solving
4 1 (5.88%) Storage Management
4 1 (5.88%) Technology Roadmap
Programming Languages
1 11 (64.71%) Java
2 4 (23.53%) JCL
3 1 (5.88%) CLIST
3 1 (5.88%) PowerShell
3 1 (5.88%) REXX
3 1 (5.88%) SQL
Quality Assurance & Compliance
1 5 (29.41%) Dodd-Frank
1 5 (29.41%) EMIR
1 5 (29.41%) MiFID
2 1 (5.88%) SLA
System Software
1 11 (64.71%) Docker
2 4 (23.53%) RACF
2 4 (23.53%) Time Sharing Option
3 1 (5.88%) ACF2
3 1 (5.88%) Active Directory
3 1 (5.88%) Job Entry Subsystem
3 1 (5.88%) Tivoli Workload Scheduler
Systems Management
1 11 (64.71%) Ansible
1 11 (64.71%) Kubernetes
1 11 (64.71%) Opscode Chef
1 11 (64.71%) Puppet
1 11 (64.71%) Terraform
2 4 (23.53%) Tivoli NetView
3 3 (17.65%) zSecure
4 1 (5.88%) Control-M
4 1 (5.88%) OMEGAMON
4 1 (5.88%) Tivoli
Vendors
1 11 (64.71%) Google
2 5 (29.41%) IBM
3 3 (17.65%) SAP
4 1 (5.88%) CA