The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for ISA Server skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited ISA Server over the 3 months to 27 June 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.

Microsoft Internet Security and Acceleration Server
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank - 162 198
Contract jobs citing ISA Server 0 1 3
As % of all contract IT jobs advertised in the City of London - 0.030% 0.052%
As % of the System Software category - 0.27% 0.54%
Number of daily rates quoted 0 1 2
Median daily rate - £470 £350
Median daily rate % change year-on-year - +34.28%  
UK excluding London median daily rate £275 £425 £325
% change year-on-year -35.29% +30.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £28.50 £12.50 £32.00
% change year-on-year +128.00% -60.93%  

ISA Server 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 the City of London with a requirement for system software skills.

Contract System Software Skills
City of London
Contract job vacancies with a requirement for system software skills 345 372 559
As % of all contract IT job vacancies advertised in the City of London 10.44% 10.98% 9.74%
Number of daily rates quoted 284 308 416
Median daily rate £463 £470 £375
Median daily rate % change year-on-year -1.59% +25.33%  
90% offered a daily rate of more than £198 £238 £238
10% offered a daily rate of more than £623 £625 £550
UK excluding London median daily rate £375 £350 £330
% change year-on-year +7.14% +6.06%  
Number of hourly rates quoted 9 17 33
Median hourly rate £21.25 £19.00 £22.83
Median hourly rate % change year-on-year +11.84% -16.77%  
90% offered a hourly rate of more than £14.00 £12.50 £13.50
10% offered a hourly rate of more than £133.00 £22.00 £28.30
UK excluding London median hourly rate £16.28 £22.50 £17.50
% change year-on-year -27.64% +28.57%  

ISA Server
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing ISA Server as a proportion of all contract or permanent IT jobs with a match in the System Software category.

Job vacancy trend for ISA Server in the City of London

ISA Server
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing ISA Server in the City of London.

Contractor daily rate trend for ISA Server in the City of London

ISA Server
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for ISA Server in the City of London

For the 6 months to 27 June 2017, IT contractor jobs citing ISA Server 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 City of London region with a requirement for ISA Server.

1 1 (100.00%) SQL
1 1 (100.00%) SQL Server
1 1 (100.00%) IIS
1 1 (100.00%) Windows
1 1 (100.00%) MS Exchange
1 1 (100.00%) Ethernet
1 1 (100.00%) TCP/IP
1 1 (100.00%) Cisco
1 1 (100.00%) Microsoft
1 1 (100.00%) CCNA
1 1 (100.00%) Active Directory
1 1 (100.00%) EMC
1 1 (100.00%) Citrix
1 1 (100.00%) Cisco Certification
1 1 (100.00%) Terminal Server
1 1 (100.00%) Internet
1 1 (100.00%) Firewall
1 1 (100.00%) Back Office
1 1 (100.00%) VMware
1 1 (100.00%) Microsoft App-V
1 1 (100.00%) AppSense
1 1 (100.00%) VMware Certified Professional (VCP)
1 1 (100.00%) SQL Server 2008
1 1 (100.00%) XenApp
1 1 (100.00%) XenDesktop
1 1 (100.00%) Exchange Server 2010
1 1 (100.00%) Office 365
1 1 (100.00%) SQL Server 2012
1 1 (100.00%) EMC VNX
1 1 (100.00%) Security Monitoring

ISA Server
Co-occurring IT Skills in the City of 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 1 (100.00%) Exchange Server 2010
1 1 (100.00%) IIS
1 1 (100.00%) MS Exchange
Cloud Services
1 1 (100.00%) Office 365
Communications & Networking
1 1 (100.00%) Ethernet
1 1 (100.00%) Firewall
1 1 (100.00%) Internet
1 1 (100.00%) TCP/IP
Database & Business Intelligence
1 1 (100.00%) SQL Server
1 1 (100.00%) SQL Server 2008
1 1 (100.00%) SQL Server 2012
General
1 1 (100.00%) Back Office
Job Titles
1 1 (100.00%) Administrator
1 1 (100.00%) Citrix Administrator
Miscellaneous
1 1 (100.00%) EMC VNX
Operating Systems
1 1 (100.00%) Windows
Processes & Methodologies
1 1 (100.00%) Security Monitoring
Programming Languages
1 1 (100.00%) SQL
Qualifications
1 1 (100.00%) CCNA
1 1 (100.00%) Cisco Certification
1 1 (100.00%) VMware Certified Professional (VCP)
System Software
1 1 (100.00%) Active Directory
1 1 (100.00%) Microsoft App-V
1 1 (100.00%) Terminal Server
1 1 (100.00%) XenApp
1 1 (100.00%) XenDesktop
Vendors
1 1 (100.00%) AppSense
1 1 (100.00%) Cisco
1 1 (100.00%) Citrix
1 1 (100.00%) EMC
1 1 (100.00%) Microsoft
1 1 (100.00%) VMware