Period
to 12 November 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 12 November 2018 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
England > London
6 months to
12 Nov 2018
Same period 2017 Same period 2016
Rank 592 613 599
Rank change year-on-year +21 -14 -40
Contract jobs citing zOS 23 24 34
As % of all contract IT jobs advertised in London 0.050% 0.052% 0.076%
As % of the Operating Systems category 0.25% 0.25% 0.36%
Number of daily rates quoted 10 19 22
London median daily rate £463 £475 £500
Median daily rate % change year-on-year -2.63% -5.00% +21.21%
10th Percentile £363 £365 £451
90th Percentile £887 £713 £568
England median daily rate £400 £425 £445
% change year-on-year -5.88% -4.49% +4.40%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - £27.50 £40.00
% change year-on-year - -31.25% +6.67%

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 advertised in London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 9,271 9,641 9,392
As % of all contract IT jobs advertised in London 20.24% 20.87% 20.90%
Number of daily rates quoted 6,502 6,825 6,486
London median daily rate £486 £475 £450
Median daily rate % change year-on-year +2.37% +5.56% +5.88%
10th Percentile £190 £200 £233
90th Percentile £650 £638 £600
England median daily rate £425 £425 £408
% change year-on-year - +4.29% +1.88%
Number of hourly rates quoted 274 280 204
London median hourly rate £18.70 £19.00 £18.00
Median hourly rate % change year-on-year -1.58% +5.56% +3.30%
10th Percentile £12.50 £12.00 £11.25
90th Percentile £47.50 £47.83 £48.11
England median hourly rate £17.50 £17.50 £16.50
% change year-on-year - +6.06% -

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
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for zOS in London

zOS
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing zOS in London over the 6 months to 12 November 2018.

Contractor daily rate histogram for zOS in London

zOS
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for zOS in London

zOS
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing zOS within the London region over the 6 months to 12 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -26 3 £375 -24.62% 1
West London - 1 - -
zOS
England

For the 6 months to 12 November 2018, 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 across the London region with a requirement for zOS.

1 19 (82.61%) Mainframe
2 18 (78.26%) DB2
3 17 (73.91%) IBM
4 14 (60.87%) CICS
5 12 (52.17%) REXX
5 12 (52.17%) COBOL
6 11 (47.83%) JCL
7 10 (43.48%) Unix
7 10 (43.48%) Assembly Language
8 9 (39.13%) SMTP
8 9 (39.13%) SNMP
8 9 (39.13%) ISPF
8 9 (39.13%) Time Sharing Option
9 8 (34.78%) Web Development
10 6 (26.09%) Finance
10 6 (26.09%) SQL
11 5 (21.74%) Windows
11 5 (21.74%) WebSphere
12 4 (17.39%) Banking
12 4 (17.39%) Linux
13 3 (13.04%) .NET
13 3 (13.04%) Java
13 3 (13.04%) C++
13 3 (13.04%) CA
13 3 (13.04%) Replication
13 3 (13.04%) Firewall
13 3 (13.04%) RACF
13 3 (13.04%) Blockchain
13 3 (13.04%) OMEGAMON
13 3 (13.04%) Node.js

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 14 (60.87%) CICS
2 5 (21.74%) WebSphere
3 1 (4.35%) Site Server
3 1 (4.35%) WebSphere Application Server
Communications & Networking
1 9 (39.13%) SMTP
1 9 (39.13%) SNMP
2 3 (13.04%) Firewall
3 2 (8.70%) Network Security
4 1 (4.35%) LAN
4 1 (4.35%) NAS
4 1 (4.35%) PABX
4 1 (4.35%) SAN
4 1 (4.35%) TCP/IP
4 1 (4.35%) VoIP
4 1 (4.35%) VPN
4 1 (4.35%) WAN
Database & Business Intelligence
1 18 (78.26%) DB2
2 3 (13.04%) Blockchain
3 1 (4.35%) Big Data
3 1 (4.35%) Data Warehouse
3 1 (4.35%) DataStage
3 1 (4.35%) IBM InfoSphere
3 1 (4.35%) NoSQL
General
1 6 (26.09%) Finance
2 4 (17.39%) Banking
Job Titles
1 4 (17.39%) Architect
1 4 (17.39%) Developer
1 4 (17.39%) Mainframe Developer
2 3 (13.04%) DB2 DBA
2 3 (13.04%) DBA
2 3 (13.04%) Mainframe Architect
3 2 (8.70%) Consultant
3 2 (8.70%) Security Consultant
3 2 (8.70%) Senior Consultant
3 2 (8.70%) Senior Security Consultant
3 2 (8.70%) Technical Leader
4 1 (4.35%) Administrator
4 1 (4.35%) Audit Manager
4 1 (4.35%) Cloud Architect
4 1 (4.35%) DB2 Support
4 1 (4.35%) Head of Technology
4 1 (4.35%) IT Audit Manager
4 1 (4.35%) IT Manager
4 1 (4.35%) Mainframe Programmer
4 1 (4.35%) Programmer
Libraries, Frameworks & Software Standards
1 9 (39.13%) ISPF
2 3 (13.04%) .NET
2 3 (13.04%) Node.js
3 2 (8.70%) WebSphere MQ
4 1 (4.35%) Middleware
Miscellaneous
1 19 (82.61%) Mainframe
2 3 (13.04%) Replication
3 2 (8.70%) AS400
3 2 (8.70%) IBM Mainframe
4 1 (4.35%) iSeries
Operating Systems
1 10 (43.48%) Unix
2 5 (21.74%) Windows
3 4 (17.39%) Linux
4 2 (8.70%) OS/2
4 2 (8.70%) Windows Server
5 1 (4.35%) AIX
5 1 (4.35%) HPUX
5 1 (4.35%) Solaris
Processes & Methodologies
1 8 (34.78%) Web Development
2 3 (13.04%) Low Latency
3 2 (8.70%) Information Security
4 1 (4.35%) Capacity Planning
4 1 (4.35%) Coaching
4 1 (4.35%) Cryptography
4 1 (4.35%) DevOps
4 1 (4.35%) Disaster Recovery
4 1 (4.35%) High Availability
4 1 (4.35%) IT Audit
4 1 (4.35%) IT Strategy
4 1 (4.35%) ITIL
4 1 (4.35%) Malware Detection/Protection
4 1 (4.35%) Mentoring
4 1 (4.35%) Microservices
4 1 (4.35%) Risk Management
Programming Languages
1 12 (52.17%) COBOL
1 12 (52.17%) REXX
2 11 (47.83%) JCL
3 10 (43.48%) Assembly Language
4 6 (26.09%) SQL
5 3 (13.04%) C++
5 3 (13.04%) Java
6 2 (8.70%) RPG
Qualifications
1 1 (4.35%) CISA
1 1 (4.35%) CISSP
System Software
1 9 (39.13%) Time Sharing Option
2 3 (13.04%) RACF
3 1 (4.35%) VirtualBox
3 1 (4.35%) VMware Infrastructure
Systems Management
1 3 (13.04%) OMEGAMON
Vendors
1 17 (73.91%) IBM
2 3 (13.04%) CA
3 2 (8.70%) BMC
3 2 (8.70%) Kofax
3 2 (8.70%) Unisys
4 1 (4.35%) Citrix
4 1 (4.35%) HP
4 1 (4.35%) Mercator
4 1 (4.35%) Oracle
4 1 (4.35%) SAP
4 1 (4.35%) VMware