Period
to 5 June 2020

The following table provides summary statistics for permanent job vacancies advertised in London 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 5 June 2020 with a comparison to the same period in the previous 2 years.

IBM z/OS
England > London
6 months to
5 Jun 2020
Same period 2019 Same period 2018
Rank 596 753 835
Rank change year-on-year +157 +82 -15
Permanent jobs citing zOS 9 3 3
As % of all permanent jobs advertised in London 0.025% 0.005% 0.004%
As % of the Operating Systems category 0.13% 0.024% 0.019%
Number of salaries quoted 8 3 1
Median annual salary £75,000 £65,000 £95,000
Median salary % change year-on-year +15.38% -31.58% +80.95%
10th Percentile £50,000 £65,000 £82,500
90th Percentile £102,500 £93,000 £107,500
England median annual salary £55,000 £50,000 £55,000
% change year-on-year +10.00% -9.09% +46.67%

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 advertised in London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 6,985 12,570 16,112
As % of all permanent IT jobs advertised in London 19.35% 21.86% 23.32%
Number of salaries quoted 5,668 10,504 13,275
Median annual salary £60,000 £60,000 £56,500
Median salary % change year-on-year - +6.19% +2.73%
10th Percentile £31,250 £30,000 £31,250
90th Percentile £91,250 £91,250 £86,250
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

zOS
Job Vacancy Trend in London

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

Job vacancy trend for zOS in London

zOS
Salary Trend in London

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

Salary trend for zOS in London

zOS
Salary Histogram in London

Salary distribution for jobs citing zOS in London over the 6 months to 5 June 2020.

Salary histogram for zOS in London

zOS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing zOS within the London region over the 6 months to 5 June 2020. 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
West London - 1 £55,000 -
zOS
England

For the 6 months to 5 June 2020, 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 across the London region with a requirement for zOS.

1 7 (77.78%) Java
1 7 (77.78%) Linux
2 6 (66.67%) Unix
2 6 (66.67%) Windows
2 6 (66.67%) .NET
2 6 (66.67%) Google
2 6 (66.67%) Continuous Integration
2 6 (66.67%) Visual Studio Team System
2 6 (66.67%) Git (software)
2 6 (66.67%) Team Foundation Server
2 6 (66.67%) Azure
2 6 (66.67%) AWS
2 6 (66.67%) Puppet
2 6 (66.67%) Gerrit
2 6 (66.67%) Bitbucket
2 6 (66.67%) Opscode Chef
2 6 (66.67%) Ansible
2 6 (66.67%) Docker
2 6 (66.67%) DevOps
2 6 (66.67%) GitLab
2 6 (66.67%) CoreOS
2 6 (66.67%) Kubernetes
2 6 (66.67%) Terraform
2 6 (66.67%) Infrastructure as Code
3 4 (44.44%) Insurtech
3 4 (44.44%) Disruptive Innovation
4 3 (33.33%) Mainframe
5 2 (22.22%) Internet
5 2 (22.22%) Stakeholder Management
5 2 (22.22%) Banking

zOS
Co-occurring IT Skills in London 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 (11.11%) CICS
Cloud Services
1 6 (66.67%) AWS
1 6 (66.67%) Azure
2 1 (11.11%) GCP
Communications & Networking
1 2 (22.22%) Internet
Database & Business Intelligence
1 1 (11.11%) DB2
Development Applications
1 6 (66.67%) Bitbucket
1 6 (66.67%) Gerrit
1 6 (66.67%) Git (software)
1 6 (66.67%) GitLab
1 6 (66.67%) Team Foundation Server
1 6 (66.67%) Visual Studio Team System
2 2 (22.22%) Jenkins
2 2 (22.22%) Sonatype Nexus
General
1 2 (22.22%) Banking
1 2 (22.22%) Retail Banking
Job Titles
1 6 (66.67%) DevOps Engineer
2 4 (44.44%) AWS DevOps
2 4 (44.44%) AWS DevOps Engineer
2 4 (44.44%) AWS Engineer
2 4 (44.44%) Cloud Engineer
3 2 (22.22%) Mainframe Programmer
3 2 (22.22%) Operations Engineer
3 2 (22.22%) Programmer
4 1 (11.11%) Developer
4 1 (11.11%) Mainframe Developer
4 1 (11.11%) Mainframe Systems Programmer
4 1 (11.11%) Senior Cloud Engineer
4 1 (11.11%) Senior DevOps
4 1 (11.11%) Senior DevOps Engineer
4 1 (11.11%) Senior Mainframe Programmer
4 1 (11.11%) Senior Programmer
4 1 (11.11%) Senior Systems Programmer
4 1 (11.11%) Systems Programmer
Libraries, Frameworks & Software Standards
1 6 (66.67%) .NET
2 1 (11.11%) Node.js
2 1 (11.11%) Spring
Miscellaneous
1 3 (33.33%) Mainframe
2 2 (22.22%) Online Banking
3 1 (11.11%) AS400
3 1 (11.11%) Data Centre
Operating Systems
1 7 (77.78%) Linux
2 6 (66.67%) CoreOS
2 6 (66.67%) Unix
2 6 (66.67%) Windows
Processes & Methodologies
1 6 (66.67%) Continuous Integration
1 6 (66.67%) DevOps
1 6 (66.67%) Infrastructure as Code
2 4 (44.44%) Disruptive Innovation
2 4 (44.44%) Insurtech
3 2 (22.22%) Configuration Management
3 2 (22.22%) Mentoring
3 2 (22.22%) Stakeholder Management
3 2 (22.22%) Test Automation
3 2 (22.22%) Thought Leadership
Programming Languages
1 7 (77.78%) Java
2 1 (11.11%) C++
2 1 (11.11%) COBOL
2 1 (11.11%) JCL
2 1 (11.11%) PL/1
System Software
1 6 (66.67%) Docker
2 1 (11.11%) Virtual Machines
Systems Management
1 6 (66.67%) Ansible
1 6 (66.67%) Kubernetes
1 6 (66.67%) Opscode Chef
1 6 (66.67%) Puppet
1 6 (66.67%) Terraform
2 2 (22.22%) Rancher
Vendors
1 6 (66.67%) Google