Period
to 19 September 2020

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 19 September 2020 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
19 Sep 2020
Same period 2019 Same period 2018
Rank 477 802 820
Rank change year-on-year +325 +18 -12
Contract jobs citing zOS 34 44 85
As % of all contract jobs advertised in the UK 0.12% 0.050% 0.082%
As % of the Operating Systems category 0.62% 0.24% 0.40%
Number of daily rates quoted 13 21 40
Median daily rate £445 £425 £400
Median daily rate % change year-on-year +4.71% +6.25% -5.16%
10th Percentile £380 £338 £306
90th Percentile £700 £525 £539
UK excluding London median daily rate £700 £425 £400
% change year-on-year +64.71% +6.25% -
Number of hourly rates quoted 3 0 0
Median hourly rate £35.00 - -
UK excluding London median hourly rate - - -

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 5,495 18,353 21,377
As % of all contract IT jobs advertised in the UK 18.59% 20.65% 20.74%
Number of daily rates quoted 3,310 11,449 13,245
Median daily rate £435 £425 £425
Median daily rate % change year-on-year +2.35% - -
10th Percentile £175 £150 £170
90th Percentile £625 £619 £608
UK excluding London median daily rate £400 £400 £390
% change year-on-year - +2.56% +2.63%
Number of hourly rates quoted 337 1,245 1,532
Median hourly rate £20.00 £17.50 £17.50
Median hourly rate % change year-on-year +14.29% - -
10th Percentile £11.62 £11.17 £11.00
90th Percentile £47.63 £50.00 £47.50
Median hourly rate £19.00 £16.50 £16.20
% change year-on-year +15.15% +1.85% -1.82%

zOS
Job Vacancy Trend

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

Job vacancy trend for zOS in the UK

zOS
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing zOS.

Daily rate trend for zOS in the UK

zOS
Daily Rate Histogram

Daily rate distribution for jobs citing zOS over the 6 months to 19 September 2020.

Daily rate histogram for zOS in the UK

zOS
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing zOS.

Hourly rate trend for zOS in the UK

zOS
Top 9 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 19 September 2020. 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 +312 32 £445 +4.71% 6
London +236 16 £425 -5.56% 2
UK excluding London +258 15 £700 +64.71% 4
South East +184 6 £375 -10.71%
Work from Home - 5 £700 -
South West +99 4 £700 +64.71%
North of England +119 3 £375 -11.76% 3
Yorkshire +83 3 £375 +5.26% 1
Scotland +75 2 - -

For the 6 months to 19 September 2020, 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 26 (76.47%) Mainframe
2 13 (38.24%) JCL
3 10 (29.41%) IBM
4 9 (26.47%) Oracle
5 8 (23.53%) CICS
6 6 (17.65%) ISPF
6 6 (17.65%) Data Centre
6 6 (17.65%) Time Sharing Option
6 6 (17.65%) Storage Management
7 5 (14.71%) CA
7 5 (14.71%) C++
7 5 (14.71%) COBOL
7 5 (14.71%) Java
7 5 (14.71%) PL/1
8 4 (11.76%) Risk Management
8 4 (11.76%) Migration
8 4 (11.76%) Job Entry Subsystem
8 4 (11.76%) RACF
9 3 (8.82%) Security Cleared
9 3 (8.82%) Telecoms
9 3 (8.82%) Disaster Recovery
9 3 (8.82%) Banking
9 3 (8.82%) VSAM
9 3 (8.82%) OS/390
9 3 (8.82%) MVS
9 3 (8.82%) REXX
9 3 (8.82%) Tivoli NetView
9 3 (8.82%) SMS
10 2 (5.88%) IKE
10 2 (5.88%) TCP/IP

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 8 (23.53%) CICS
2 1 (2.94%) SAS
Cloud Services
1 1 (2.94%) GCP
Communications & Networking
1 3 (8.82%) SMS
2 2 (5.88%) Firewall
2 2 (5.88%) IKE
2 2 (5.88%) Internet
2 2 (5.88%) TCP/IP
3 1 (2.94%) WebEx
Database & Business Intelligence
1 2 (5.88%) DB2
General
1 3 (8.82%) Banking
1 3 (8.82%) Telecoms
2 2 (5.88%) Finance
3 1 (2.94%) Legal
Job Titles
1 11 (32.35%) Programmer
2 7 (20.59%) Systems Programmer
3 5 (14.71%) Mainframe Programmer
4 4 (11.76%) C++ Developer
4 4 (11.76%) C++/Java Developer
4 4 (11.76%) Developer
4 4 (11.76%) Java Developer
4 4 (11.76%) z/OS Specialist
5 3 (8.82%) Administrator
5 3 (8.82%) COBOL Developer
5 3 (8.82%) Mainframe Developer
5 3 (8.82%) Mainframe Systems Programmer
6 2 (5.88%) Consultant
6 2 (5.88%) Oracle Consultant
6 2 (5.88%) Storage Consultant
6 2 (5.88%) Storage Specialist
6 2 (5.88%) Support Consultant
6 2 (5.88%) Systems Administrator
6 2 (5.88%) Technical Specialist
6 2 (5.88%) z/OS Systems Programmer
Libraries, Frameworks & Software Standards
1 6 (17.65%) ISPF
2 1 (2.94%) Middleware
2 1 (2.94%) Node.js
2 1 (2.94%) Spring
Miscellaneous
1 26 (76.47%) Mainframe
2 6 (17.65%) Data Centre
3 3 (8.82%) VSAM
4 2 (5.88%) IBM Mainframe
4 2 (5.88%) Replication
5 1 (2.94%) AS400
Operating Systems
1 3 (8.82%) MVS
1 3 (8.82%) OS/390
2 2 (5.88%) Linux
3 1 (2.94%) AIX
3 1 (2.94%) Red Hat Enterprise Linux
3 1 (2.94%) Windows
Processes & Methodologies
1 6 (17.65%) Storage Management
2 4 (11.76%) Migration
2 4 (11.76%) Risk Management
3 3 (8.82%) Disaster Recovery
4 1 (2.94%) Agile Software Development
4 1 (2.94%) Capacity Planning
4 1 (2.94%) Change Control
4 1 (2.94%) Customer Requirements
4 1 (2.94%) Cybersecurity
4 1 (2.94%) High Availability
4 1 (2.94%) Information Assurance
4 1 (2.94%) Information Security
4 1 (2.94%) Information Security Management
4 1 (2.94%) ISMS
4 1 (2.94%) ITIL
4 1 (2.94%) Performance Tuning
4 1 (2.94%) Resource Management
4 1 (2.94%) Security Management
4 1 (2.94%) Software Rationalisation
4 1 (2.94%) Virtual Environments
Programming Languages
1 13 (38.24%) JCL
2 5 (14.71%) C++
2 5 (14.71%) COBOL
2 5 (14.71%) Java
2 5 (14.71%) PL/1
3 3 (8.82%) REXX
4 2 (5.88%) Assembly Language
4 2 (5.88%) CLIST
5 1 (2.94%) C#
5 1 (2.94%) HLASM
Qualifications
1 3 (8.82%) Security Cleared
2 2 (5.88%) SC Cleared
3 1 (2.94%) CESG Certified Professional
3 1 (2.94%) CISSP
3 1 (2.94%) Degree
Quality Assurance & Compliance
1 1 (2.94%) ISO/IEC 27001
1 1 (2.94%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 6 (17.65%) Time Sharing Option
2 4 (11.76%) Job Entry Subsystem
2 4 (11.76%) RACF
3 1 (2.94%) ACF2
Systems Management
1 3 (8.82%) Tivoli NetView
2 1 (2.94%) MAINVIEW
2 1 (2.94%) OMEGAMON
Vendors
1 10 (29.41%) IBM
2 9 (26.47%) Oracle
3 5 (14.71%) CA
4 1 (2.94%) Google
4 1 (2.94%) SAP
4 1 (2.94%) StorageTek