Period
to 24 November 2017

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

IBM z/OS
UK
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 1183 1133 1165
Rank change year-on-year -50 +32 +12
Permanent jobs citing zOS 28 89 158
As % of all permanent IT jobs advertised in the UK 0.016% 0.047% 0.072%
As % of the Operating Systems category 0.063% 0.19% 0.28%
Number of salaries quoted 27 53 82
UK median annual salary £37,500 £52,500 £50,000
Median salary % change year-on-year -28.57% +5.00% +11.11%
10th Percentile £32,500 £27,500 £36,412
90th Percentile £110,000 £82,500 £60,500
UK excluding London median annual salary £37,500 £47,500 £45,000
% change year-on-year -21.05% +5.56% +5.88%

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 44223 46785 57435
As % of all permanent IT jobs advertised in the UK 24.55% 24.72% 26.25%
Number of salaries quoted 35656 39712 48497
UK median annual salary £45,000 £45,000 £43,500
Median salary % change year-on-year - +3.45% +3.57%
10th Percentile £24,750 £24,750 £24,500
90th Percentile £73,750 £72,500 £72,000
UK excluding London median annual salary £40,000 £40,000 £40,000

zOS
Job Vacancy Trend

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

Job vacancy trend for zOS in the UK

zOS
Salary Trend

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

Salary trend for zOS in the UK

zOS
Salary Histogram

The salary distribution of IT jobs citing zOS over the 6 months to 24 November 2017.

Salary histogram 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 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
UK excluding London +9 26 £37,500 -21.05% 1
England 0 25 £37,500 -28.57% 1
South East +63 22 £37,500 -37.50%
North of England +11 2 £50,000 +23.46%
North West -19 2 £50,000 +11.11%
Northern Ireland - 2 £50,000 -
London -12 1 £47,500 -32.14% 1

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 with a requirement for zOS.

1 23 (82.14%) Linux
2 22 (78.57%) Java
2 22 (78.57%) IBM
3 20 (71.43%) DB2
3 20 (71.43%) Windows
4 19 (67.86%) Oracle
4 19 (67.86%) SQL Server
4 19 (67.86%) SLA
4 19 (67.86%) Tivoli
5 18 (64.29%) Tivoli Storage Manager
5 18 (64.29%) J2EE
5 18 (64.29%) Perl
5 18 (64.29%) Unix
6 15 (53.57%) French Language
6 15 (53.57%) German Language
7 14 (50.00%) SQL
8 8 (28.57%) Mainframe
9 6 (21.43%) Assembly Language
10 5 (17.86%) C
10 5 (17.86%) COBOL
10 5 (17.86%) Analytical Skills
11 4 (14.29%) Master's Degree
11 4 (14.29%) C++
11 4 (14.29%) CICS
11 4 (14.29%) PL/1
11 4 (14.29%) Open Source
11 4 (14.29%) Degree
11 4 (14.29%) Finance
12 3 (10.71%) TCP/IP
13 2 (7.14%) SNA

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 4 (14.29%) CICS
2 1 (3.57%) WebSphere
Communications & Networking
1 3 (10.71%) TCP/IP
2 2 (7.14%) Firewall
2 2 (7.14%) FTP
2 2 (7.14%) SMTP
2 2 (7.14%) SNA
2 2 (7.14%) SNMP
2 2 (7.14%) Telnet
3 1 (3.57%) LDAP
Database & Business Intelligence
1 20 (71.43%) DB2
2 19 (67.86%) SQL Server
3 1 (3.57%) Blockchain
General
1 15 (53.57%) French Language
1 15 (53.57%) German Language
2 4 (14.29%) Finance
Job Titles
1 14 (50.00%) Applications Support
2 12 (42.86%) Analyst
2 12 (42.86%) Support Analyst
3 10 (35.71%) Support Engineer
4 8 (28.57%) Applications Support Analyst
5 6 (21.43%) Applications Engineer
5 6 (21.43%) Applications Support Engineer
6 4 (14.29%) Mainframe Support
6 4 (14.29%) Software Analyst
6 4 (14.29%) Software Support Analyst
6 4 (14.29%) Technical Engineer
6 4 (14.29%) Technical Support
6 4 (14.29%) Technical Support Engineer
7 2 (7.14%) Mainframe Specialist
7 2 (7.14%) Programmer
7 2 (7.14%) Systems Programmer
8 1 (3.57%) Mainframe Programmer
8 1 (3.57%) Security Consultant
8 1 (3.57%) Security Engineer
8 1 (3.57%) Software Programmer
Libraries, Frameworks & Software Standards
1 18 (64.29%) J2EE
2 2 (7.14%) Web Services
Miscellaneous
1 8 (28.57%) Mainframe
2 5 (17.86%) Analytical Skills
3 2 (7.14%) Data Centre
3 2 (7.14%) IBM Mainframe
3 2 (7.14%) LPAR
4 1 (3.57%) Management Information System
4 1 (3.57%) Mobile App
Operating Systems
1 23 (82.14%) Linux
2 20 (71.43%) Windows
3 18 (64.29%) Unix
Processes & Methodologies
1 4 (14.29%) Open Source
2 2 (7.14%) Stakeholder Management
3 1 (3.57%) Disaster Recovery
3 1 (3.57%) Problem Management
3 1 (3.57%) Software Engineering
3 1 (3.57%) Supplier Management
3 1 (3.57%) Time Management
Programming Languages
1 22 (78.57%) Java
2 18 (64.29%) Perl
3 14 (50.00%) SQL
4 6 (21.43%) Assembly Language
5 5 (17.86%) C
5 5 (17.86%) COBOL
6 4 (14.29%) C++
6 4 (14.29%) PL/1
7 1 (3.57%) JCL
7 1 (3.57%) REXX
Qualifications
1 4 (14.29%) Degree
1 4 (14.29%) Master's Degree
Quality Assurance & Compliance
1 19 (67.86%) SLA
System Software
1 1 (3.57%) Active Directory
1 1 (3.57%) Time Sharing Option
Systems Management
1 19 (67.86%) Tivoli
2 18 (64.29%) Tivoli Storage Manager
3 1 (3.57%) Control-M
Vendors
1 22 (78.57%) IBM
2 19 (67.86%) Oracle
3 1 (3.57%) CA
3 1 (3.57%) ServiceNow