Period
to 24 November 2017

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 24 November 2017 with a comparison to the same period in the previous 2 years.

IBM z/OS
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 837 825 879
Rank change year-on-year -12 +54 +3
Permanent jobs citing zOS 1 17 38
As % of all permanent IT jobs advertised in London 0.001% 0.022% 0.043%
As % of the Operating Systems category 0.005% 0.089% 0.16%
Number of salaries quoted 1 14 28
London median annual salary £47,500 £70,000 £55,000
Median salary % change year-on-year -32.14% +27.27% +2.33%
10th Percentile £46,250 £60,000 £49,250
90th Percentile £48,750 £92,750 £64,875
England median annual salary £37,500 £52,500 £50,000
% change year-on-year -28.57% +5.00% +11.11%

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 18638 19006 24133
As % of all permanent IT jobs advertised in London 24.84% 25.07% 27.07%
Number of salaries quoted 14402 16501 20757
London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £30,000 £29,685 £28,500
90th Percentile £85,000 £82,500 £80,000
England median annual salary £45,000 £45,000 £45,000

zOS
Job Vacancy Trend in London

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

Job vacancy trend for zOS in London

zOS
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing zOS in London.

Salary trend 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 24 November 2017. 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
Central London +18 1 £47,500 -29.63% 1
zOS
England

For the 6 months to 24 November 2017, IT jobs citing zOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for zOS.

1 1 (100.00%) Oracle
1 1 (100.00%) SQL Server
1 1 (100.00%) DB2
1 1 (100.00%) Windows
1 1 (100.00%) Linux
1 1 (100.00%) CICS
1 1 (100.00%) Control-M

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 (100.00%) CICS
Database & Business Intelligence
1 1 (100.00%) DB2
1 1 (100.00%) SQL Server
Job Titles
1 1 (100.00%) Administrator
1 1 (100.00%) DBA
Operating Systems
1 1 (100.00%) Linux
1 1 (100.00%) Windows
Systems Management
1 1 (100.00%) Control-M
Vendors
1 1 (100.00%) Oracle