Period
to 6 December 2019

The following table provides summary statistics for contract job vacancies with a requirement for zOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited zOS over the 6 months to 6 December 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

IBM z/OS
UK
6 months to
6 Dec 2019
Same period 2018 Same period 2017
Rank 753 794 843
Rank change year-on-year +41 +49 -75
Contract jobs citing zOS 43 109 67
As % of all contract IT jobs advertised in the UK 0.053% 0.10% 0.064%
As % of the Operating Systems category 0.25% 0.50% 0.31%
Number of daily rates quoted 26 55 44
UK median daily rate £425 £420 £443
Median daily rate % change year-on-year +1.19% -5.08% -0.56%
10th Percentile £358 £306 £316
90th Percentile £569 £547 £567
UK excluding London median daily rate £425 £400 £400
% change year-on-year +6.25% - -3.90%
Number of hourly rates quoted 0 1 1
UK median hourly rate - £55.00 £27.50
Median hourly rate % change year-on-year - +100.00% -47.62%
UK excluding London median hourly rate - £55.00 £27.50
% change year-on-year - +100.00% -47.62%

zOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for operating system skills.

All Operating Systems
UK
Contract vacancies with a requirement for operating system skills 17,222 21,963 21,691
As % of all contract IT jobs advertised in the UK 21.13% 20.95% 20.86%
Number of daily rates quoted 10,587 13,611 13,842
UK median daily rate £413 £425 £425
Median daily rate % change year-on-year -2.94% - +6.25%
10th Percentile £140 £163 £170
90th Percentile £600 £605 £600
UK excluding London median daily rate £388 £388 £375
% change year-on-year -0.13% +3.47% +2.74%
Number of hourly rates quoted 1,315 1,489 1,296
UK median hourly rate £17.50 £17.50 £17.50
10th Percentile £11.25 £11.00 £10.98
90th Percentile £49.01 £47.50 £47.50
UK excluding London median hourly rate £16.76 £16.50 £16.50
% change year-on-year +1.55% - +4.76%

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
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing zOS.

Contractor daily rate trend for zOS in the UK

zOS
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing zOS over the 6 months to 6 December 2019.

Contractor daily rate histogram for zOS in the UK

zOS
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing zOS.

Contractor hourly rate trend for zOS in the UK

zOS
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing zOS within the UK over the 6 months to 6 December 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +73 41 £425 +6.25% 4
UK excluding London +23 33 £425 +6.25% 4
North of England +10 21 £425 +14.86% 1
North West +8 13 £438 +19.86%
London +74 9 £500 +5.26% 1
Yorkshire +21 7 £388 -13.89% 1
South West -6 4 £425 -5.03%
South East +48 3 £483 +46.21% 2
Scotland +24 2 £575 +21.05% 1
West Midlands - 2 £458 -
Midlands - 2 £458 -
East of England +26 1 - -
North East +18 1 £525 -

For the 6 months to 6 December 2019, IT contractor 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 contract job ads with a requirement for zOS.

1 31 (72.09%) IBM
2 27 (62.79%) Linux
3 25 (58.14%) Windows
4 22 (51.16%) Unix
5 17 (39.53%) JCL
6 14 (32.56%) Migration
7 12 (27.91%) Red Hat Enterprise Linux
7 12 (27.91%) Mainframe
7 12 (27.91%) DB2
8 11 (25.58%) AIX
8 11 (25.58%) Windows Server 2012
9 10 (23.26%) Process Improvement
9 10 (23.26%) Solaris
9 10 (23.26%) HTTPS
9 10 (23.26%) ActionScript
9 10 (23.26%) Remedy
9 10 (23.26%) BMC
9 10 (23.26%) Remedy ITSM
9 10 (23.26%) ActionScript 2.0
9 10 (23.26%) OpenText
9 10 (23.26%) IBM Sterling
10 9 (20.93%) Opscode Chef
10 9 (20.93%) Data Centre
11 8 (18.60%) Performance Metrics
11 8 (18.60%) Performance Tuning
11 8 (18.60%) Windows Server 2008
11 8 (18.60%) B2B
11 8 (18.60%) Red Hat
11 8 (18.60%) Windows Server 2003
11 8 (18.60%) Internet

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 (9.30%) CICS
1 4 (9.30%) SAS
2 2 (4.65%) Confluence
3 1 (2.33%) Blackberry Enterprise Server
3 1 (2.33%) MQSeries
3 1 (2.33%) Oracle Service Bus
3 1 (2.33%) Oracle SOA Suite
3 1 (2.33%) WebSphere
Applications
1 2 (4.65%) Microsoft Office
Business Applications
1 10 (23.26%) Remedy ITSM
Cloud Services
1 6 (13.95%) AWS
2 5 (11.63%) Azure
3 3 (6.98%) GCP
4 1 (2.33%) IBM Cloud
4 1 (2.33%) SoftLayer
Communications & Networking
1 10 (23.26%) HTTPS
2 8 (18.60%) FTP
2 8 (18.60%) Internet
3 7 (16.28%) SSH
4 4 (9.30%) SSL
5 1 (2.33%) Firewall
5 1 (2.33%) HTTP
5 1 (2.33%) SAN
5 1 (2.33%) TCP/IP
Database & Business Intelligence
1 12 (27.91%) DB2
2 5 (11.63%) SQL Server
3 4 (9.30%) MongoDB
4 3 (6.98%) MySQL
4 3 (6.98%) Oracle Database
4 3 (6.98%) Oracle Database 11g
4 3 (6.98%) Oracle Database 12c
4 3 (6.98%) Relational Database
5 1 (2.33%) Hadoop
Development Applications
1 2 (4.65%) JIRA
2 1 (2.33%) Git (software)
2 1 (2.33%) Jenkins
2 1 (2.33%) Subversion
General
1 7 (16.28%) Retail
2 6 (13.95%) Finance
3 2 (4.65%) Public Sector
4 1 (2.33%) Banking
Job Titles
1 14 (32.56%) Analyst
2 6 (13.95%) Administrator
2 6 (13.95%) Support Analyst
3 5 (11.63%) Applications Support
3 5 (11.63%) Applications Support Analyst
3 5 (11.63%) Programmer
3 5 (11.63%) Systems Programmer
4 4 (9.30%) Mainframe Programmer
4 4 (9.30%) Mainframe Systems Programmer
5 3 (6.98%) Architect
5 3 (6.98%) DB2 Administrator
5 3 (6.98%) DBA
6 2 (4.65%) Business Analyst
6 2 (4.65%) COBOL Developer
6 2 (4.65%) Database Specialist
6 2 (4.65%) DB2 DBA
6 2 (4.65%) Developer
6 2 (4.65%) Solutions Architect
7 1 (2.33%) Infrastructure Engineer
7 1 (2.33%) Senior Solutions Architect
Libraries, Frameworks & Software Standards
1 5 (11.63%) ISPF
2 3 (6.98%) Kafka
2 3 (6.98%) Web Services
3 1 (2.33%) Middleware
3 1 (2.33%) REST
Miscellaneous
1 12 (27.91%) Mainframe
2 9 (20.93%) Data Centre
3 3 (6.98%) IBM Mainframe
4 1 (2.33%) Analytical Skills
4 1 (2.33%) AS400
4 1 (2.33%) Blog
4 1 (2.33%) Clustering
4 1 (2.33%) Management Information System
4 1 (2.33%) Public Cloud
4 1 (2.33%) Self-Motivation
Operating Systems
1 27 (62.79%) Linux
2 25 (58.14%) Windows
3 22 (51.16%) Unix
4 12 (27.91%) Red Hat Enterprise Linux
5 11 (25.58%) AIX
5 11 (25.58%) Windows Server 2012
6 10 (23.26%) Solaris
7 8 (18.60%) Windows Server 2003
7 8 (18.60%) Windows Server 2008
8 5 (11.63%) Windows Server
9 1 (2.33%) HPUX
9 1 (2.33%) Mac OS X
9 1 (2.33%) MVS
Processes & Methodologies
1 14 (32.56%) Migration
2 10 (23.26%) Process Improvement
3 8 (18.60%) B2B
3 8 (18.60%) Performance Metrics
3 8 (18.60%) Performance Tuning
4 7 (16.28%) High Availability
4 7 (16.28%) Project Delivery
5 5 (11.63%) Data Modelling
5 5 (11.63%) Incident Management
6 4 (9.30%) Configuration Management
6 4 (9.30%) DevOps
6 4 (9.30%) Problem-Solving
7 3 (6.98%) Agile Software Development
7 3 (6.98%) Change Management
7 3 (6.98%) Infrastructure as Code
7 3 (6.98%) Scrum
8 2 (4.65%) Business Intelligence
8 2 (4.65%) Data Migration
8 2 (4.65%) Problem Management
8 2 (4.65%) Test Strategy
Programming Languages
1 17 (39.53%) JCL
2 10 (23.26%) ActionScript
2 10 (23.26%) ActionScript 2.0
3 8 (18.60%) Shell Script
4 7 (16.28%) C
5 5 (11.63%) Assembly Language
5 5 (11.63%) REXX
6 4 (9.30%) SQL
7 3 (6.98%) Bash Shell
7 3 (6.98%) COBOL
7 3 (6.98%) JavaScript
7 3 (6.98%) PowerShell
7 3 (6.98%) Python
8 2 (4.65%) Java
Qualifications
1 2 (4.65%) SC Cleared
1 2 (4.65%) Security Cleared
System Software
1 5 (11.63%) Time Sharing Option
2 4 (9.30%) ACF2
2 4 (9.30%) RACF
3 1 (2.33%) Virtual Machines
Systems Management
1 9 (20.93%) Opscode Chef
2 4 (9.30%) OMEGAMON
3 3 (6.98%) Ansible
4 1 (2.33%) Control-M
4 1 (2.33%) NetBackup
4 1 (2.33%) Oracle Enterprise Manager
4 1 (2.33%) Puppet
Vendors
1 31 (72.09%) IBM
2 10 (23.26%) BMC
2 10 (23.26%) IBM Sterling
2 10 (23.26%) OpenText
2 10 (23.26%) Remedy
3 8 (18.60%) Red Hat
3 8 (18.60%) TIBCO
4 6 (13.95%) Oracle
5 5 (11.63%) CA
6 3 (6.98%) Google
6 3 (6.98%) Microsoft
7 1 (2.33%) AppDynamics
7 1 (2.33%) Cisco
7 1 (2.33%) EMC
7 1 (2.33%) Informatica
7 1 (2.33%) NetApp
7 1 (2.33%) ServiceNow
7 1 (2.33%) Sun
7 1 (2.33%) Teradata
7 1 (2.33%) Unisys