Period
to 18 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 6 months to 18 November 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.

X.509
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 618 589 604
Rank change year-on-year -29 +15 +11
Contract jobs citing X.509 8 30 13
As % of all contract IT jobs advertised in London 0.017% 0.066% 0.028%
As % of the Communications & Networking category 0.15% 0.48% 0.22%
Number of daily rates quoted 8 28 3
London median daily rate £541 £375 £355
Median daily rate % change year-on-year +44.33% +5.63% +5.19%
10th Percentile £478 £313 £353
90th Percentile £709 £475 £524
England median daily rate £538 £375 £390
% change year-on-year +43.33% -3.85% +15.56%
Number of hourly rates quoted 0 0 2
London median hourly rate - - £50.00
England median hourly rate - - £50.00

X.509 is in the Communications and Computer Networking 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 communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 5370 6300 5958
As % of all contract IT jobs advertised in London 11.54% 13.93% 12.63%
Number of daily rates quoted 3615 4120 3933
London median daily rate £450 £448 £423
Median daily rate % change year-on-year +0.56% +5.79% +5.75%
10th Percentile £213 £256 £215
90th Percentile £625 £600 £588
England median daily rate £403 £400 £390
% change year-on-year +0.63% +2.56% +4.00%
Number of hourly rates quoted 147 142 178
London median hourly rate £19.50 £19.12 £18.61
Median hourly rate % change year-on-year +2.01% +2.74% -2.08%
10th Percentile £12.65 £11.52 £11.50
90th Percentile £48.20 £50.00 £45.00
England median hourly rate £18.70 £22.84 £20.50
% change year-on-year -18.11% +11.39% +2.50%

X.509
Job Vacancy Trend in London

Job postings citing X.509 as a percentage of all IT jobs advertised in London.

Job vacancy trend for X.509 in London

X.509
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing X.509 in London.

Contractor daily rate trend for X.509 in London

X.509
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing X.509 in London over the 6 months to 18 November 2017.

Contractor daily rate histogram for X.509 in London

X.509
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing X.509 in London.

Contractor hourly rate trend for X.509 in London

X.509
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 X.509 within the London region over the 6 months to 18 November 2017. 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 +1 2 £519 +48.21%
X.509
England

For the 6 months to 18 November 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 London region with a requirement for X.509.

1 6 (75.00%) LDAP
1 6 (75.00%) HTTP
1 6 (75.00%) OAuth
2 4 (50.00%) JSON Schema
2 4 (50.00%) DNS
2 4 (50.00%) XML Schema
2 4 (50.00%) SQL Server
2 4 (50.00%) C#
2 4 (50.00%) SQL
2 4 (50.00%) Web Services
2 4 (50.00%) XML
2 4 (50.00%) PKI
2 4 (50.00%) LINQ
2 4 (50.00%) JSON
2 4 (50.00%) Amazon AWS
2 4 (50.00%) OAuth2
3 3 (37.50%) Data Integration
3 3 (37.50%) SQL Server Integration Services
3 3 (37.50%) Active Directory
3 3 (37.50%) ETL
3 3 (37.50%) Swagger
3 3 (37.50%) Bigtable
4 2 (25.00%) Microsoft Azure
4 2 (25.00%) Git (software)
4 2 (25.00%) Presales
4 2 (25.00%) Identity Access Management
4 2 (25.00%) API Design
4 2 (25.00%) IIS
4 2 (25.00%) SSL
4 2 (25.00%) Kerberos

X.509
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 2 (25.00%) Apache
1 2 (25.00%) IIS
1 2 (25.00%) Tomcat
Cloud Services
1 4 (50.00%) Amazon AWS
2 2 (25.00%) Google Cloud Platform
2 2 (25.00%) Microsoft Azure
3 1 (12.50%) Azure Active Directory
Communications & Networking
1 6 (75.00%) HTTP
1 6 (75.00%) LDAP
2 4 (50.00%) DNS
3 2 (25.00%) Kerberos
3 2 (25.00%) SSL
3 2 (25.00%) Wireshark
Database & Business Intelligence
1 4 (50.00%) SQL Server
2 3 (37.50%) Bigtable
2 3 (37.50%) SQL Server Integration Services
Development Applications
1 2 (25.00%) Fiddler
1 2 (25.00%) Git (software)
1 2 (25.00%) Subversion
General
1 2 (25.00%) Finance
2 1 (12.50%) Banking
Job Titles
1 4 (50.00%) Developer
2 3 (37.50%) C# Developer
3 2 (25.00%) .NET Developer
3 2 (25.00%) Application Security Specialist
3 2 (25.00%) Applications Specialist
3 2 (25.00%) Architect
3 2 (25.00%) C# .NET Developer
3 2 (25.00%) Security Specialist
3 2 (25.00%) Technical Architect
4 1 (12.50%) AWS Developer
4 1 (12.50%) Azure Developer
4 1 (12.50%) Cloud Specialist
4 1 (12.50%) Data Integration Developer
4 1 (12.50%) Identity Management Architect
4 1 (12.50%) Integration Developer
4 1 (12.50%) Senior Data Warehouse Specialist
4 1 (12.50%) Senior Security Specialist
Libraries, Frameworks & Software Standards
1 6 (75.00%) OAuth
2 4 (50.00%) JSON
2 4 (50.00%) JSON Schema
2 4 (50.00%) LINQ
2 4 (50.00%) OAuth2
2 4 (50.00%) Web Services
2 4 (50.00%) XML
2 4 (50.00%) XML Schema
3 3 (37.50%) Swagger
4 2 (25.00%) .NET
4 2 (25.00%) HTML
4 2 (25.00%) Java EE
4 2 (25.00%) SAML
4 2 (25.00%) SPNEGO
Miscellaneous
1 4 (50.00%) PKI
Operating Systems
1 2 (25.00%) Unix
1 2 (25.00%) Windows
Processes & Methodologies
1 3 (37.50%) Data Integration
1 3 (37.50%) ETL
2 2 (25.00%) Agile Software Development
2 2 (25.00%) API Design
2 2 (25.00%) Configuration Management
2 2 (25.00%) Continuous Integration
2 2 (25.00%) Cryptography
2 2 (25.00%) DevOps
2 2 (25.00%) Identity Access Management
2 2 (25.00%) Information Security
2 2 (25.00%) Penetration Testing
2 2 (25.00%) Presales
2 2 (25.00%) UML
2 2 (25.00%) Use Case
3 1 (12.50%) API Development
3 1 (12.50%) Digital Transformation Programme
3 1 (12.50%) Ethical Hacking
3 1 (12.50%) Strategic Thinking
Programming Languages
1 4 (50.00%) C#
1 4 (50.00%) SQL
2 2 (25.00%) Java
2 2 (25.00%) Shell Script
Qualifications
1 1 (12.50%) CEH
1 1 (12.50%) CISA
1 1 (12.50%) CISSP
1 1 (12.50%) CSSLP
1 1 (12.50%) GIAC
1 1 (12.50%) OSCP
1 1 (12.50%) SANS
System Software
1 3 (37.50%) Active Directory
Systems Management
1 2 (25.00%) Opscode Chef
1 2 (25.00%) Puppet
Vendors
1 2 (25.00%) ForgeRock