Period
to 20 February 2018

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 20 February 2018 with a comparison to the same period in the previous 2 years.

IBM z/OS
UK
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 1161 1118 1170
Rank change year-on-year -43 +52 -17
Permanent jobs citing zOS 37 66 130
As % of all permanent IT jobs advertised in the UK 0.021% 0.038% 0.062%
As % of the Operating Systems category 0.087% 0.16% 0.24%
Number of salaries quoted 31 43 50
UK median annual salary £50,000 £60,000 £47,250
Median salary % change year-on-year -16.67% +26.98% -2.58%
10th Percentile £36,250 £27,000 £36,119
90th Percentile £110,000 £82,500 £60,000
UK excluding London median annual salary £50,000 £52,500 £45,000
% change year-on-year -4.76% +16.67% -5.26%

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 42,747 42,181 54,897
As % of all permanent IT jobs advertised in the UK 24.18% 24.14% 26.19%
Number of salaries quoted 35,072 35,533 46,346
UK median annual salary £45,000 £43,500 £43,211
Median salary % change year-on-year +3.45% +0.67% +1.67%
10th Percentile £25,000 £24,500 £24,750
90th Percentile £75,000 £72,500 £71,250
UK excluding London median annual salary £40,000 £39,323 £40,000
% change year-on-year +1.72% -1.69% +6.67%

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 20 February 2018.

Salary histogram for zOS in the UK

zOS
Top 8 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 20 February 2018. 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 -35 33 £50,000 -4.76% 6
England -33 32 £52,500 -12.50% 6
South East +13 25 £52,500 -12.50% 3
North of England -7 4 £50,000 - 1
North West - 4 £50,000 -
London -24 3 £71,250 +5.56% 1
Scotland -45 2 £49,000 -2.00% 1
Northern Ireland - 2 £50,000 -

For the 6 months to 20 February 2018, 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 23 (62.16%) DB2
1 23 (62.16%) Linux
2 22 (59.46%) Mainframe
3 21 (56.76%) IBM
4 17 (45.95%) Java
4 17 (45.95%) Oracle
5 16 (43.24%) SQL Server
6 15 (40.54%) SQL
6 15 (40.54%) Windows
7 14 (37.84%) COBOL
8 13 (35.14%) Unix
9 12 (32.43%) Finance
9 12 (32.43%) J2EE
10 11 (29.73%) SLA
10 11 (29.73%) Tivoli
11 10 (27.03%) Tivoli Storage Manager
11 10 (27.03%) Perl
12 9 (24.32%) Degree
12 9 (24.32%) French Language
12 9 (24.32%) German Language
13 8 (21.62%) ITIL
13 8 (21.62%) Analytical Skills
14 7 (18.92%) C
14 7 (18.92%) Assembly Language
14 7 (18.92%) PL/1
14 7 (18.92%) IBM Mainframe
15 6 (16.22%) TOGAF
15 6 (16.22%) CICS
15 6 (16.22%) XML
16 5 (13.51%) PRINCE2

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 6 (16.22%) CICS
2 5 (13.51%) Oracle SOA Suite
2 5 (13.51%) SAS
3 4 (10.81%) WebSphere
4 2 (5.41%) WebSphere Application Server
Applications
1 4 (10.81%) Microsoft Office
Cloud Services
1 3 (8.11%) Cloud Computing
2 2 (5.41%) OpenShift
3 1 (2.70%) Azure Active Directory
3 1 (2.70%) Microsoft Azure
3 1 (2.70%) SaaS
Communications & Networking
1 5 (13.51%) SAN
2 4 (10.81%) TCP/IP
3 2 (5.41%) Firewall
3 2 (5.41%) FTP
3 2 (5.41%) SMTP
3 2 (5.41%) SNA
3 2 (5.41%) SNMP
3 2 (5.41%) Telnet
4 1 (2.70%) Kerberos
4 1 (2.70%) SSH
4 1 (2.70%) X.500
Database & Business Intelligence
1 23 (62.16%) DB2
2 16 (43.24%) SQL Server
3 5 (13.51%) BusinessObjects
3 5 (13.51%) Data Warehouse
4 2 (5.41%) JasperReports
5 1 (2.70%) Adabas
5 1 (2.70%) Blockchain
5 1 (2.70%) Relational Database
Development Applications
1 2 (5.41%) Eclipse
1 2 (5.41%) JUnit
1 2 (5.41%) Subversion
General
1 12 (32.43%) Finance
2 9 (24.32%) French Language
2 9 (24.32%) German Language
3 3 (8.11%) Banking
4 2 (5.41%) Investment Banking
4 2 (5.41%) Law
5 1 (2.70%) Italian Language
5 1 (2.70%) Portuguese Language
5 1 (2.70%) Spanish Language
5 1 (2.70%) Telecoms
Job Titles
1 13 (35.14%) Analyst
2 10 (27.03%) Applications Support
3 8 (21.62%) Support Engineer
4 7 (18.92%) Applications Support Analyst
4 7 (18.92%) Support Analyst
5 5 (13.51%) Mainframe Support
5 5 (13.51%) Technical Engineer
5 5 (13.51%) Technical Support
5 5 (13.51%) Technical Support Engineer
6 4 (10.81%) Architect
7 3 (8.11%) Applications Engineer
7 3 (8.11%) Applications Support Engineer
7 3 (8.11%) Developer
7 3 (8.11%) Enterprise Architect
7 3 (8.11%) Programmer
7 3 (8.11%) Systems Analyst
8 2 (5.41%) Mainframe Specialist
8 2 (5.41%) Systems Programmer
9 1 (2.70%) Mainframe Programmer
9 1 (2.70%) Software Programmer
Libraries, Frameworks & Software Standards
1 12 (32.43%) J2EE
2 6 (16.22%) XML
3 4 (10.81%) LDAP
4 2 (5.41%) CSS
4 2 (5.41%) CSS3
4 2 (5.41%) Drools
4 2 (5.41%) HTML
4 2 (5.41%) HTML5
4 2 (5.41%) JDBC
4 2 (5.41%) jQuery
4 2 (5.41%) Spring
4 2 (5.41%) Twitter Bootstrap
4 2 (5.41%) Web Services
5 1 (2.70%) Middleware
5 1 (2.70%) OpenID
5 1 (2.70%) SAML
5 1 (2.70%) SPNEGO
Miscellaneous
1 22 (59.46%) Mainframe
2 8 (21.62%) Analytical Skills
3 7 (18.92%) IBM Mainframe
4 4 (10.81%) Management Information System
5 3 (8.11%) Data Centre
6 2 (5.41%) Enterprise Software
6 2 (5.41%) LPAR
6 2 (5.41%) User Experience
6 2 (5.41%) Virtual Team
7 1 (2.70%) Clustering
7 1 (2.70%) Computer Science
7 1 (2.70%) Mobile App
7 1 (2.70%) PKI
7 1 (2.70%) Private Cloud
7 1 (2.70%) Smartcard
Operating Systems
1 23 (62.16%) Linux
2 15 (40.54%) Windows
3 13 (35.14%) Unix
4 2 (5.41%) AIX
4 2 (5.41%) Solaris
5 1 (2.70%) Mac OS
5 1 (2.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 8 (21.62%) ITIL
2 6 (16.22%) TOGAF
3 5 (13.51%) Agile Software Development
3 5 (13.51%) Content Management
3 5 (13.51%) E-Commerce
3 5 (13.51%) Enterprise Content Management
3 5 (13.51%) IT Strategy
3 5 (13.51%) Open Source
3 5 (13.51%) OWASP
3 5 (13.51%) PRINCE2
3 5 (13.51%) Scaled Agile Framework
3 5 (13.51%) Scrum
3 5 (13.51%) SDLC
3 5 (13.51%) SOA
3 5 (13.51%) Waterfall
4 3 (8.11%) Unit Testing
5 2 (5.41%) Information Security
5 2 (5.41%) MVC
5 2 (5.41%) Stakeholder Management
5 2 (5.41%) Wealth Management
Programming Languages
1 17 (45.95%) Java
2 15 (40.54%) SQL
3 14 (37.84%) COBOL
4 10 (27.03%) Perl
5 7 (18.92%) Assembly Language
5 7 (18.92%) C
5 7 (18.92%) PL/1
6 5 (13.51%) C++
7 2 (5.41%) JavaScript
7 2 (5.41%) JCL
7 2 (5.41%) PL/SQL
7 2 (5.41%) PowerShell
7 2 (5.41%) REXX
8 1 (2.70%) NATURAL
Qualifications
1 9 (24.32%) Degree
2 5 (13.51%) Master's Degree
3 1 (2.70%) Computer Science Degree
3 1 (2.70%) ITIL Certification
3 1 (2.70%) Postgraduate
Quality Assurance & Compliance
1 11 (29.73%) SLA
2 2 (5.41%) QA
System Software
1 4 (10.81%) Active Directory
2 2 (5.41%) Time Sharing Option
2 2 (5.41%) VMware Infrastructure
3 1 (2.70%) Docker
Systems Management
1 11 (29.73%) Tivoli
2 10 (27.03%) Tivoli Storage Manager
3 1 (2.70%) CA Single Sign-On
3 1 (2.70%) Control-M
3 1 (2.70%) Mesos
3 1 (2.70%) PowerBroker
3 1 (2.70%) Single Sign-On
Vendors
1 21 (56.76%) IBM
2 17 (45.95%) Oracle
3 5 (13.51%) Ab Initio
4 4 (10.81%) HP
5 3 (8.11%) Red Hat
6 2 (5.41%) BMC
6 2 (5.41%) CA
6 2 (5.41%) VMware
7 1 (2.70%) BeyondTrust
7 1 (2.70%) Dell
7 1 (2.70%) ForgeRock
7 1 (2.70%) ServiceNow