The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for X.509 skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited X.509 over the 3 months to 27 March 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.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
X.509
London / City of London
Rank 154 - 192
Rank change year-on-year - 0  
Contract jobs citing X.509 1 0 2
As % of all contract IT jobs advertised in the City of London 0.033% - 0.039%
As % of the Communications & Networking category 0.29% - 0.28%
Number of daily rates quoted 1 0 2
Median daily rate £550 - £438
UK excluding London median daily rate - £363 £224
% change year-on-year - +62.01%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £52.50 £52.50

X.509 is in the communications and computer networking 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 communications and computer networking skills.

Contract Communications & Computer Network Skills
City of London
Contract job vacancies with a requirement for communications and computer networking skills 340 392 702
As % of all contract IT job vacancies advertised in the City of London 11.28% 11.79% 13.57%
Number of daily rates quoted 255 291 512
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25%  
90% offered a daily rate of more than £197 £275 £245
10% offered a daily rate of more than £575 £550 £575
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 11 11 13
Median hourly rate £19.00 £26.00 £18.70
Median hourly rate % change year-on-year -26.92% +39.03%  
90% offered a hourly rate of more than £13.70 £19.00 £13.46
10% offered a hourly rate of more than £27.73 £30.00 £40.00
UK excluding London median hourly rate £22.50 £37.00 £30.00
% change year-on-year -39.18% +23.33%  

X.509
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing X.509 as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for X.509 in the City of London

X.509
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 X.509 in the City of London.

Contractor daily rate trend for X.509 in the City of London

X.509
Top 10 Related IT Skills in the City of London

For the 6 months to 27 March 2017, IT contractor jobs citing X.509 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 X.509.

1 1 (100.00%) LDAP
1 1 (100.00%) SAML
1 1 (100.00%) Identity Management
1 1 (100.00%) Finance
1 1 (100.00%) OAuth
1 1 (100.00%) SaaS
1 1 (100.00%) PaaS
1 1 (100.00%) Identity Access Management
1 1 (100.00%) Virtual Infrastructure
1 1 (100.00%) Security Monitoring

X.509
Top Related 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:

Cloud Services
1 1 (100.00%) PaaS
1 1 (100.00%) SaaS
Communications & Networking
1 1 (100.00%) LDAP
General
1 1 (100.00%) Finance
Job Titles
1 1 (100.00%) Architect
1 1 (100.00%) Infrastructure Architect
1 1 (100.00%) Infrastructure Solutions Architect
1 1 (100.00%) Solutions Architect
Libraries, Frameworks & Software Standards
1 1 (100.00%) OAuth
1 1 (100.00%) SAML
Processes & Methodologies
1 1 (100.00%) Identity Access Management
1 1 (100.00%) Identity Management
1 1 (100.00%) Security Monitoring
1 1 (100.00%) Virtual Infrastructure