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 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

IBM z/OS
England / London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 610 639 639
Rank change year-on-year +29 0  
Permanent jobs citing zOS 2 5 30
As % of all permanent IT jobs advertised in London 0.005% 0.012% 0.068%
As % of the Operating Systems category 0.021% 0.049% 0.25%
Number of salaries quoted 1 1 21
Median salary £52,500 £70,000 £55,000
Median salary % change year-on-year -25.00% +27.27%  
UK excluding London median salary £37,500 £35,000 £50,000
% change year-on-year +7.14% -30.00%  

zOS is in the operating system skills category. The next 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.

Operating System Skills
London
Permanent job vacancies with a requirement for operating system skills 9532 10271 11929
As % of all permanent IT job vacancies advertised in London 26.01% 25.64% 26.95%
Number of salaries quoted 7708 9007 10293
Median salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00%  
90% offered a salary of more than £30,000 £28,000 £28,500
10% offered a salary of more than £80,000 £75,000 £75,000
UK excluding London median salary £37,500 £37,500 £37,500

zOS
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing zOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

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 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 2 £52,500 -
zOS
England

For the 6 months to 28 June 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 3 (100.00%) Management Information System
1 3 (100.00%) Banking
2 2 (66.67%) zSecure
2 2 (66.67%) Validation
2 2 (66.67%) CICS
2 2 (66.67%) RACF
2 2 (66.67%) Mainframe
2 2 (66.67%) DB2
3 1 (33.33%) WebLogic
3 1 (33.33%) Microsoft Office
3 1 (33.33%) Unix
3 1 (33.33%) Windows
3 1 (33.33%) Tomcat
3 1 (33.33%) Business Intelligence
3 1 (33.33%) RDBMS
3 1 (33.33%) IBM
3 1 (33.33%) BusinessObjects
3 1 (33.33%) Financial Institution
3 1 (33.33%) Project Management
3 1 (33.33%) Risk Management
3 1 (33.33%) Finance
3 1 (33.33%) KYC
3 1 (33.33%) Anti-Money Laundering
3 1 (33.33%) SEPA
3 1 (33.33%) Presales
3 1 (33.33%) SQL
3 1 (33.33%) Billing
3 1 (33.33%) Microsoft PowerPoint
3 1 (33.33%) WebSphere
3 1 (33.33%) Degree

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 2 (66.67%) CICS
2 1 (33.33%) Tomcat
2 1 (33.33%) WebLogic
2 1 (33.33%) WebSphere
Applications
1 1 (33.33%) Microsoft Office
1 1 (33.33%) Microsoft PowerPoint
Database & Business Intelligence
1 2 (66.67%) DB2
2 1 (33.33%) BusinessObjects
2 1 (33.33%) RDBMS
2 1 (33.33%) Relational Database
General
1 3 (100.00%) Banking
2 1 (33.33%) Billing
2 1 (33.33%) Finance
2 1 (33.33%) Financial Institution
2 1 (33.33%) French Language
Job Titles
1 1 (33.33%) Analyst
1 1 (33.33%) RACF Analyst
1 1 (33.33%) RACF Security Analyst
1 1 (33.33%) Security Analyst
Miscellaneous
1 3 (100.00%) Management Information System
2 2 (66.67%) Mainframe
3 1 (33.33%) Analytical Skills
3 1 (33.33%) SWIFT
Operating Systems
1 1 (33.33%) Unix
1 1 (33.33%) Windows
Processes & Methodologies
1 2 (66.67%) Validation
2 1 (33.33%) Anti-Money Laundering
2 1 (33.33%) Business Intelligence
2 1 (33.33%) KYC
2 1 (33.33%) Presales
2 1 (33.33%) Project Management
2 1 (33.33%) Risk Management
2 1 (33.33%) Time Management
2 1 (33.33%) Use Case
Programming Languages
1 1 (33.33%) SQL
Qualifications
1 1 (33.33%) Degree
Quality Assurance & Compliance
1 1 (33.33%) SEPA
System Software
1 2 (66.67%) RACF
Systems Management
1 2 (66.67%) zSecure
Vendors
1 1 (33.33%) IBM