The following table provides summary statistics for contract job vacancies 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 26 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.

X.509
UK
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 591 637 632
Rank change year-on-year +46 -5  
Contract jobs citing X.509 16 14 9
As % of all contract IT jobs advertised in the UK 0.034% 0.026% 0.016%
As % of the Communications & Networking category 0.25% 0.16% 0.11%
Number of daily rates quoted 14 5 6
Median daily rate £450 £338 £393
Median daily rate % change year-on-year +33.33% -14.01%  
90% offered a daily rate of more than £400 £325 £321
10% offered a daily rate of more than £534 £435 £425
UK excluding London median daily rate £400 £475 £418
% change year-on-year -15.78% +13.77%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
UK
Contract job vacancies with a requirement for communications and computer networking skills 6391 8567 8055
As % of all contract IT job vacancies advertised in the UK 13.59% 16.14% 14.40%
Number of daily rates quoted 3780 5194 4540
Median daily rate £400 £390 £355
Median daily rate % change year-on-year +2.56% +9.85%  
90% offered a daily rate of more than £212 £240 £213
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £375 £365 £340
% change year-on-year +2.73% +7.35%  
Number of hourly rates quoted 395 421 475
Median hourly rate £27.50 £28.50 £23.00
Median hourly rate % change year-on-year -3.50% +23.91%  
90% offered a hourly rate of more than £12.16 £13.00 £12.85
10% offered a hourly rate of more than £50.00 £47.83 £47.50
UK excluding London median hourly rate £29.00 £31.50 £25.00
% change year-on-year -7.93% +26.00%  

X.509
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

X.509
Contractor Daily Rate Trend

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

Contractor daily rate trend for X.509 in the UK

X.509
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing X.509 over the 3 months to 26 June 2017.

Contractor daily rate histogram for X.509 in the UK

X.509
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for X.509 in the UK

X.509
Top 10 Contract Locations

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 UK over the 3 months to 26 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +36 16 £450 +33.33%
London -3 9 £450 +35.84%
Knutsford - 5 £400 -
Cheshire - 5 £400 -
North West - 5 £400 -
City of London -3 3 £500 +53.84%
East of England -5 1 - -
West Midlands - 1 £425 -
Coventry - 1 £425 -
Cambridgeshire - 1 - -

For the 6 months to 26 June 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 with a requirement for X.509.

1 13 (50.00%) C#
2 12 (46.15%) LDAP
3 11 (42.31%) .NET
4 10 (38.46%) Banking
4 10 (38.46%) OAuth
5 9 (34.62%) SQL
5 9 (34.62%) SAML
6 7 (26.92%) JavaScript
6 7 (26.92%) XML
6 7 (26.92%) SQL Server Integration Services
7 6 (23.08%) jQuery
7 6 (23.08%) Spring
7 6 (23.08%) Microsoft Azure
7 6 (23.08%) SaaS
7 6 (23.08%) PaaS
7 6 (23.08%) Cucumber
7 6 (23.08%) Web Services
7 6 (23.08%) Oracle
7 6 (23.08%) JUnit
7 6 (23.08%) Java
7 6 (23.08%) JBoss
7 6 (23.08%) DNS
7 6 (23.08%) Finance
7 6 (23.08%) Identity Management
7 6 (23.08%) Hibernate
7 6 (23.08%) Project Management
7 6 (23.08%) Mobile App
7 6 (23.08%) Mobile Application Development
7 6 (23.08%) Security Monitoring
8 5 (19.23%) HTTP

X.509
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 6 (23.08%) JBoss
2 4 (15.38%) BizTalk Server
2 4 (15.38%) IIS
3 2 (7.69%) Apache
3 2 (7.69%) Tomcat
Business Applications
1 4 (15.38%) Dynamics CRM
Cloud Services
1 6 (23.08%) Microsoft Azure
1 6 (23.08%) PaaS
1 6 (23.08%) SaaS
2 3 (11.54%) Dynamics 365
3 2 (7.69%) Amazon AWS
3 2 (7.69%) Google Cloud Platform
4 1 (3.85%) Azure Active Directory
4 1 (3.85%) IaaS
Communications & Networking
1 12 (46.15%) LDAP
2 6 (23.08%) DNS
3 5 (19.23%) HTTP
4 4 (15.38%) HTTPS
4 4 (15.38%) TCP/IP
5 3 (11.54%) SSL
6 1 (3.85%) Cisco IOS
6 1 (3.85%) Cisco Wireless
6 1 (3.85%) DHCP
6 1 (3.85%) Internet
6 1 (3.85%) VLAN
6 1 (3.85%) Wireless
Database & Business Intelligence
1 7 (26.92%) SQL Server Integration Services
2 3 (11.54%) Bigtable
2 3 (11.54%) SQL Server
3 1 (3.85%) PostgreSQL
3 1 (3.85%) Relational Database
3 1 (3.85%) SQL Server Reporting Services
Development Applications
1 6 (23.08%) Cucumber
1 6 (23.08%) JUnit
2 4 (15.38%) Team Foundation Server
3 2 (7.69%) Git (software)
3 2 (7.69%) Jenkins
General
1 10 (38.46%) Banking
2 6 (23.08%) Finance
3 2 (7.69%) Advertising
Job Titles
1 7 (26.92%) Architect
1 7 (26.92%) Developer
2 5 (19.23%) Consultant
2 5 (19.23%) Infrastructure Architect
2 5 (19.23%) Infrastructure Solutions Architect
2 5 (19.23%) Solutions Architect
3 4 (15.38%) CRM Consultant
3 4 (15.38%) Dynamics CRM Consultant
3 4 (15.38%) Integration Consultant
3 4 (15.38%) Microsoft Consultant
3 4 (15.38%) Microsoft CRM Consultant
4 3 (11.54%) Implementation Manager
4 3 (11.54%) Technical Implementation Manager
4 3 (11.54%) Technical Manager
5 2 (7.69%) Administrator
5 2 (7.69%) Automation Developer
5 2 (7.69%) C# Developer
5 2 (7.69%) Linux Administrator
5 2 (7.69%) Linux Systems Administrator
5 2 (7.69%) Systems Administrator
Libraries, Frameworks & Software Standards
1 11 (42.31%) .NET
2 10 (38.46%) OAuth
3 9 (34.62%) SAML
4 7 (26.92%) XML
5 6 (23.08%) Hibernate
5 6 (23.08%) jQuery
5 6 (23.08%) Spring
5 6 (23.08%) Web Services
6 4 (15.38%) WCF
6 4 (15.38%) XML Messaging
6 4 (15.38%) XSD
7 3 (11.54%) JSON
7 3 (11.54%) JSON Schema
7 3 (11.54%) LINQ
7 3 (11.54%) OAuth2
7 3 (11.54%) Swagger
7 3 (11.54%) XML Schema
8 2 (7.69%) J2EE
8 2 (7.69%) Node.js
8 2 (7.69%) RESTful
Miscellaneous
1 6 (23.08%) Mobile App
2 4 (15.38%) Analytical Skills
3 2 (7.69%) Data Centre
3 2 (7.69%) PKI
4 1 (3.85%) Computer Science
4 1 (3.85%) Internet of Things
4 1 (3.85%) Smart City
4 1 (3.85%) Smartcard
Operating Systems
1 3 (11.54%) Linux
2 2 (7.69%) CentOS
2 2 (7.69%) Red Hat Enterprise Linux
2 2 (7.69%) Windows
2 2 (7.69%) Windows Server
3 1 (3.85%) Ubuntu
3 1 (3.85%) Windows 10
3 1 (3.85%) Windows 7
3 1 (3.85%) Windows Server 2012
Processes & Methodologies
1 6 (23.08%) Identity Management
1 6 (23.08%) Mobile Application Development
1 6 (23.08%) Project Management
1 6 (23.08%) Security Monitoring
2 5 (19.23%) Agile Software Development
3 4 (15.38%) BDD
3 4 (15.38%) CRM
3 4 (15.38%) Identity Access Management
3 4 (15.38%) IT Strategy
3 4 (15.38%) SDLC
3 4 (15.38%) Service Design
3 4 (15.38%) SOA
3 4 (15.38%) TDD
3 4 (15.38%) Virtual Infrastructure
3 4 (15.38%) Waterfall
4 3 (11.54%) Data Integration
4 3 (11.54%) ETL
5 2 (7.69%) Configuration Management
5 2 (7.69%) High Availability
5 2 (7.69%) Load Balancing
Programming Languages
1 13 (50.00%) C#
2 9 (34.62%) SQL
3 7 (26.92%) JavaScript
4 6 (23.08%) Java
5 3 (11.54%) PowerShell
6 2 (7.69%) Bash Shell
6 2 (7.69%) Perl
7 1 (3.85%) C
7 1 (3.85%) Python
Qualifications
1 2 (7.69%) Degree
1 2 (7.69%) Security Cleared
2 1 (3.85%) CWAP
2 1 (3.85%) Microsoft Certification
2 1 (3.85%) PRINCE2 Practitioner
2 1 (3.85%) SC Cleared
System Software
1 2 (7.69%) Active Directory
1 2 (7.69%) VMware Infrastructure
2 1 (3.85%) Docker
Systems Management
1 2 (7.69%) Nagios
1 2 (7.69%) Puppet
1 2 (7.69%) vCenter Server
Vendors
1 6 (23.08%) Oracle
2 5 (19.23%) Microsoft
3 4 (15.38%) Salesforce.com
3 4 (15.38%) SAP
4 2 (7.69%) HP
4 2 (7.69%) Red Hat
4 2 (7.69%) VMware
5 1 (3.85%) Cisco