The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for VMware ESXi skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited VMware ESXi over the 3 months to 30 April 2017 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.

VMware ESXi
East of England / Hertfordshire
3 months to
30 Apr 2017
Same period 2016 Same period 2015
Rank 54 60 70
Rank change year-on-year +6 +10  
Contract jobs citing VMware ESXi 1 1 2
As % of all contract IT jobs advertised in Hertfordshire 0.17% 0.13% 0.28%
As % of the System Software category 1.33% 1.27% 1.85%
Number of daily rates quoted 1 1 1
Median daily rate £400 £425 £313
Median daily rate % change year-on-year -5.88% +36.00%  
UK excluding London median daily rate £330 £375 £365
% change year-on-year -12.00% +2.73%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £28.00 £25.54 £20.75
% change year-on-year +9.64% +23.07%  

VMware ESXi is in the system software skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for system software skills.

Contract System Software Skills
Hertfordshire
Contract job vacancies with a requirement for system software skills 75 79 108
As % of all contract IT job vacancies advertised in Hertfordshire 12.95% 10.52% 15.04%
Number of daily rates quoted 43 42 49
Median daily rate £375 £390 £375
Median daily rate % change year-on-year -3.84% +4.00%  
90% offered a daily rate of more than £135 £210 £275
10% offered a daily rate of more than £558 £625 £488
UK excluding London median daily rate £375 £360 £340
% change year-on-year +4.16% +5.88%  
Number of hourly rates quoted 6 7 18
Median hourly rate £17.77 £16.00 £14.85
Median hourly rate % change year-on-year +11.06% +7.74%  
90% offered a hourly rate of more than £11.00 £13.80 £9.25
10% offered a hourly rate of more than £20.76 £24.70 £32.00
UK excluding London median hourly rate £16.00 £17.50 £16.50
% change year-on-year -8.57% +6.06%  

VMware ESXi
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing VMware ESXi as a proportion of all contract or permanent IT jobs with a match in the System Software category.

Job vacancy trend for VMware ESXi in Hertfordshire

VMware ESXi
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for VMware ESXi in Hertfordshire

For the 6 months to 30 April 2017, IT contractor jobs citing VMware ESXi also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for VMware ESXi.

1 2 (100.00%) Windows
1 2 (100.00%) Linux
1 2 (100.00%) VMware
1 2 (100.00%) vSphere
1 2 (100.00%) VMware Infrastructure
1 2 (100.00%) vCenter Server
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Hyper-V
2 1 (50.00%) XenApp
2 1 (50.00%) XenDesktop
2 1 (50.00%) Puppet
2 1 (50.00%) Exchange Server 2010
2 1 (50.00%) Windows Server 2012
2 1 (50.00%) Kalman Filter
2 1 (50.00%) SDLC
2 1 (50.00%) DBS Check
2 1 (50.00%) Windows Server
2 1 (50.00%) Web Filtering
2 1 (50.00%) vRealize
2 1 (50.00%) VMware ESX
2 1 (50.00%) IP Telephony
2 1 (50.00%) CCTV
2 1 (50.00%) WSUS
2 1 (50.00%) SonicWALL
2 1 (50.00%) SCCM
2 1 (50.00%) Mac OS X Server
2 1 (50.00%) Apache
2 1 (50.00%) Tomcat
2 1 (50.00%) MS Exchange
2 1 (50.00%) LAN

VMware ESXi
Co-occurring IT Skills in Hertfordshire 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 1 (50.00%) Apache
1 1 (50.00%) Exchange Server 2010
1 1 (50.00%) MS Exchange
1 1 (50.00%) Tomcat
Communications & Networking
1 1 (50.00%) DHCP
1 1 (50.00%) DNS
1 1 (50.00%) Firewall
1 1 (50.00%) HTTP
1 1 (50.00%) Internet
1 1 (50.00%) Intranet
1 1 (50.00%) IP Telephony
1 1 (50.00%) LAN
1 1 (50.00%) SAN
1 1 (50.00%) TCP/IP
1 1 (50.00%) VoIP
1 1 (50.00%) Wi-Fi
1 1 (50.00%) Wireless
General
1 1 (50.00%) Finance
Job Titles
1 1 (50.00%) Database Manager
1 1 (50.00%) IT Manager
1 1 (50.00%) Linux Engineer
1 1 (50.00%) VMware Engineer
Libraries, Frameworks & Software Standards
1 1 (50.00%) Middleware
Miscellaneous
1 1 (50.00%) CCTV
Operating Systems
1 2 (100.00%) Linux
1 2 (100.00%) Windows
2 1 (50.00%) Mac OS X Server
2 1 (50.00%) Red Hat Enterprise Linux
2 1 (50.00%) Windows Server
2 1 (50.00%) Windows Server 2003
2 1 (50.00%) Windows Server 2012
Processes & Methodologies
1 1 (50.00%) Kalman Filter
1 1 (50.00%) SDLC
1 1 (50.00%) Web Filtering
Qualifications
1 1 (50.00%) DBS Check
1 1 (50.00%) RHCE
System Software
1 2 (100.00%) VMware Infrastructure
1 2 (100.00%) vSphere
2 1 (50.00%) Active Directory
2 1 (50.00%) Hyper-V
2 1 (50.00%) VMware ESX
2 1 (50.00%) XenApp
2 1 (50.00%) XenDesktop
Systems Management
1 2 (100.00%) vCenter Server
2 1 (50.00%) Puppet
2 1 (50.00%) SCCM
2 1 (50.00%) vRealize
2 1 (50.00%) WSUS
Vendors
1 2 (100.00%) VMware
2 1 (50.00%) Apple
2 1 (50.00%) Citrix
2 1 (50.00%) Dell
2 1 (50.00%) Microsoft
2 1 (50.00%) Red Hat
2 1 (50.00%) SonicWALL