Period
to 16 October 2019

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 16 October 2019 with a comparison to the same period in the previous 2 years.

IBM z/OS
England > London
6 months to
16 Oct 2019
Same period 2018 Same period 2017
Rank 700 812 856
Rank change year-on-year +112 +44 +3
Permanent jobs citing zOS 28 5 2
As % of all permanent IT jobs advertised in London 0.051% 0.007% 0.003%
As % of the Operating Systems category 0.24% 0.032% 0.011%
Number of salaries quoted 18 4 2
London median annual salary £65,000 £68,500 £50,000
Median salary % change year-on-year -5.11% +37.00% -28.57%
10th Percentile £64,250 £62,250 £46,750
90th Percentile £88,750 £86,625 £53,250
England median annual salary £65,000 £55,000 £37,500
% change year-on-year +18.18% +46.67% -27.18%

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 11,846 15,392 18,786
As % of all permanent IT jobs advertised in London 21.62% 22.63% 25.21%
Number of salaries quoted 9,695 12,712 14,450
London median annual salary £59,500 £57,500 £55,000
Median salary % change year-on-year +3.48% +4.55% -
10th Percentile £28,750 £30,000 £30,000
90th Percentile £92,500 £90,000 £83,750
England median annual salary £46,000 £47,500 £45,000
% change year-on-year -3.16% +5.56% -

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
Salary Histogram in London

The salary distribution of IT jobs citing zOS in London over the 6 months to 16 October 2019.

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 16 October 2019. 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
East London - 9 £65,000 -
Central London +22 2 £80,000 +4.92% 1
zOS
England

For the 6 months to 16 October 2019, 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 23 (82.14%) IBM
2 22 (78.57%) Linux
3 21 (75.00%) Mainframe
4 17 (60.71%) DevOps
5 15 (53.57%) Banking
6 14 (50.00%) Continuous Integration
6 14 (50.00%) Java
6 14 (50.00%) Docker
6 14 (50.00%) Jenkins
6 14 (50.00%) Azure
6 14 (50.00%) AWS
6 14 (50.00%) Test Automation
7 12 (42.86%) Agile Software Development
8 10 (35.71%) CA
8 10 (35.71%) REXX
8 10 (35.71%) Red Hat
8 10 (35.71%) RACF
8 10 (35.71%) Capacity Planning
8 10 (35.71%) Job Entry Subsystem
8 10 (35.71%) Virtual Machines
9 9 (32.14%) SonarQube
9 9 (32.14%) TeamCity
9 9 (32.14%) Hadoop
9 9 (32.14%) Change Control
9 9 (32.14%) IBM InfoSphere
9 9 (32.14%) Static Code Analysis
9 9 (32.14%) GitHub
9 9 (32.14%) JavaScript
9 9 (32.14%) Ant
9 9 (32.14%) PVCS

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 7 (25.00%) WebSphere
2 6 (21.43%) MQSeries
2 6 (21.43%) WebSphere Application Server
3 1 (3.57%) CICS
3 1 (3.57%) IBM HTTP Server
Cloud Services
1 14 (50.00%) AWS
1 14 (50.00%) Azure
2 9 (32.14%) GitHub
Communications & Networking
1 3 (10.71%) Internet
2 1 (3.57%) Firewall
Database & Business Intelligence
1 9 (32.14%) Hadoop
1 9 (32.14%) IBM InfoSphere
2 7 (25.00%) Oracle Database
3 1 (3.57%) DB2
Development Applications
1 14 (50.00%) Jenkins
2 9 (32.14%) Ant
2 9 (32.14%) ClearCase
2 9 (32.14%) Maven
2 9 (32.14%) PVCS
2 9 (32.14%) Selenium
2 9 (32.14%) SonarQube
2 9 (32.14%) TeamCity
3 6 (21.43%) IBM UrbanCode
4 5 (17.86%) Bitbucket
4 5 (17.86%) Gerrit
4 5 (17.86%) Git (software)
4 5 (17.86%) GitLab
4 5 (17.86%) JIRA
4 5 (17.86%) Sonatype Nexus
4 5 (17.86%) Team Foundation Server
4 5 (17.86%) Visual Studio Team System
General
1 15 (53.57%) Banking
2 5 (17.86%) Finance
2 5 (17.86%) Retail Banking
3 3 (10.71%) Games
4 1 (3.57%) Advertising
4 1 (3.57%) Telecoms
Job Titles
1 13 (46.43%) DevOps Engineer
2 10 (35.71%) Mainframe Programmer
2 10 (35.71%) Mainframe Systems Programmer
2 10 (35.71%) Programmer
2 10 (35.71%) Systems Programmer
3 9 (32.14%) z/OS Systems Programmer
4 3 (10.71%) AWS DevOps
4 3 (10.71%) AWS DevOps Engineer
4 3 (10.71%) AWS Engineer
4 3 (10.71%) Cloud Engineer
4 3 (10.71%) Lead DevOps
4 3 (10.71%) Lead DevOps Engineer
4 3 (10.71%) Onboarding Engineer
5 2 (7.14%) Storage Engineer
6 1 (3.57%) Senior DevOps
6 1 (3.57%) Senior DevOps Engineer
6 1 (3.57%) Technical Leader
Libraries, Frameworks & Software Standards
1 8 (28.57%) Apache Flex
2 7 (25.00%) WebSphere MQ
3 5 (17.86%) .NET
4 3 (10.71%) Middleware
5 1 (3.57%) LDAP
Miscellaneous
1 21 (75.00%) Mainframe
2 9 (32.14%) Replication
3 3 (10.71%) Analytical Skills
3 3 (10.71%) Data Centre
3 3 (10.71%) Online Banking
4 1 (3.57%) User Experience
Operating Systems
1 22 (78.57%) Linux
2 5 (17.86%) CoreOS
2 5 (17.86%) Unix
2 5 (17.86%) Windows
3 1 (3.57%) Red Hat Enterprise Linux
Processes & Methodologies
1 17 (60.71%) DevOps
2 14 (50.00%) Continuous Integration
2 14 (50.00%) Test Automation
3 12 (42.86%) Agile Software Development
4 10 (35.71%) Capacity Planning
5 9 (32.14%) Change Control
5 9 (32.14%) Configuration Management
5 9 (32.14%) Static Code Analysis
6 8 (28.57%) Scrum
6 8 (28.57%) Thought Leadership
7 6 (21.43%) BDD
7 6 (21.43%) Continuous Delivery
7 6 (21.43%) Master Data Management
8 5 (17.86%) Coaching
8 5 (17.86%) Infrastructure as Code
8 5 (17.86%) Kanban
8 5 (17.86%) Mentoring
8 5 (17.86%) Software Engineering
9 3 (10.71%) Project Management
9 3 (10.71%) Service Management
Programming Languages
1 14 (50.00%) Java
2 10 (35.71%) REXX
3 9 (32.14%) JavaScript
4 2 (7.14%) JCL
Qualifications
1 1 (3.57%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 2 (7.14%) PMO
2 1 (3.57%) QA
System Software
1 14 (50.00%) Docker
2 10 (35.71%) Job Entry Subsystem
2 10 (35.71%) RACF
2 10 (35.71%) Virtual Machines
3 1 (3.57%) OpenAM
Systems Management
1 9 (32.14%) MAINVIEW
2 5 (17.86%) Ansible
2 5 (17.86%) Kubernetes
2 5 (17.86%) Opscode Chef
2 5 (17.86%) Puppet
2 5 (17.86%) Rancher
2 5 (17.86%) Terraform
3 1 (3.57%) BMC PATROL
Vendors
1 23 (82.14%) IBM
2 10 (35.71%) CA
2 10 (35.71%) Red Hat
3 9 (32.14%) BMC
3 9 (32.14%) Teradata
4 7 (25.00%) Oracle
5 5 (17.86%) Google
6 2 (7.14%) Brocade
6 2 (7.14%) EMC
7 1 (3.57%) AppDynamics
7 1 (3.57%) F5
7 1 (3.57%) Splunk