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 24 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
24 Mar 2017
Same period 2016 Same period 2015
X.509
UK
Rank 586 633 601
Rank change year-on-year +47 -32  
Contract jobs citing X.509 10 9 20
As % of all contract IT jobs advertised in the UK 0.022% 0.017% 0.038%
As % of the Communications & Networking category 0.15% 0.12% 0.26%
Number of daily rates quoted 9 4 14
Median daily rate £575 £363 £350
Median daily rate % change year-on-year +58.62% +3.57%  
90% offered a daily rate of more than £420 £347 £219
10% offered a daily rate of more than £645 £428 £438
UK excluding London median daily rate - £363 £224
% change year-on-year - +62.01%  
Number of hourly rates quoted 0 2 1
Median hourly rate - £52.50 £52.50
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 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 6618 7818 7780
As % of all contract IT job vacancies advertised in the UK 14.61% 14.75% 14.79%
Number of daily rates quoted 4078 4664 4242
Median daily rate £400 £380 £363
Median daily rate % change year-on-year +5.26% +4.82%  
90% offered a daily rate of more than £238 £235 £204
10% offered a daily rate of more than £550 £540 £500
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 361 334 431
Median hourly rate £25.00 £30.00 £27.00
Median hourly rate % change year-on-year -16.66% +11.11%  
90% offered a hourly rate of more than £12.50 £13.00 £13.00
10% offered a hourly rate of more than £50.00 £50.00 £47.50
UK excluding London median hourly rate £22.50 £37.00 £29.00
% change year-on-year -39.18% +27.58%  

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 24 March 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 hourly rates quoted in IT contractor jobs citing X.509.

Contractor hourly rate trend for X.509 in the UK

X.509
Top 7 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 24 March 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 +35 10 £575 +58.62% 1
London +35 9 £575 +44.65% 1
South East +27 1 - -
City of London - 1 £550 -
Canary Wharf - 1 £675 -
Basingstoke - 1 - -
Hampshire - 1 - -

X.509
Top 30 Related IT Skills

For the 6 months to 24 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 with a requirement for X.509.

1 13 (44.83%) Windows
1 13 (44.83%) DNS
2 11 (37.93%) Microsoft
3 10 (34.48%) Firewall
3 10 (34.48%) VMware
4 9 (31.03%) VMware Infrastructure
4 9 (31.03%) TCP/IP
4 9 (31.03%) Perl
5 8 (27.59%) IIS
5 8 (27.59%) Linux
5 8 (27.59%) Apache
5 8 (27.59%) Tomcat
5 8 (27.59%) Nagios
5 8 (27.59%) PowerShell
5 8 (27.59%) Microsoft Azure
5 8 (27.59%) Bash Shell
5 8 (27.59%) Agile Software Development
5 8 (27.59%) Puppet
5 8 (27.59%) Virtual Environments
6 7 (24.14%) SDLC
6 7 (24.14%) Service Design
6 7 (24.14%) Waterfall
6 7 (24.14%) Analytical Skills
6 7 (24.14%) TDD
6 7 (24.14%) SQL Server Reporting Services
6 7 (24.14%) Identity Management
6 7 (24.14%) XML Messaging
6 7 (24.14%) Team Foundation Server
6 7 (24.14%) Red Hat Enterprise Linux
6 7 (24.14%) WCF

X.509
Top Related 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 8 (27.59%) Apache
1 8 (27.59%) IIS
1 8 (27.59%) Tomcat
2 7 (24.14%) BizTalk Server
3 6 (20.69%) Oracle SOA Suite
3 6 (20.69%) SharePoint
3 6 (20.69%) Skype for Business
Applications
1 7 (24.14%) MS Excel
2 4 (13.79%) MS Office
Business Applications
1 7 (24.14%) Dynamics CRM
Cloud Services
1 8 (27.59%) Microsoft Azure
2 6 (20.69%) Office 365
2 6 (20.69%) PaaS
2 6 (20.69%) SaaS
2 6 (20.69%) Yammer
3 1 (3.45%) Azure Active Directory
3 1 (3.45%) IaaS
Communications & Networking
1 13 (44.83%) DNS
2 10 (34.48%) Firewall
3 9 (31.03%) TCP/IP
4 7 (24.14%) HTTPS
4 7 (24.14%) LDAP
5 5 (17.24%) DHCP
5 5 (17.24%) VPN
6 4 (13.79%) HTTP
6 4 (13.79%) LAN
6 4 (13.79%) Wi-Fi
7 2 (6.90%) SSL
8 1 (3.45%) BIG-IP
8 1 (3.45%) Cisco ASA
8 1 (3.45%) Cisco PIX
8 1 (3.45%) Ethernet
8 1 (3.45%) Internet
8 1 (3.45%) IPsec
8 1 (3.45%) Network Security
8 1 (3.45%) SSH
8 1 (3.45%) Wireless
Database & Business Intelligence
1 7 (24.14%) SQL Server Integration Services
1 7 (24.14%) SQL Server Reporting Services
2 6 (20.69%) SQL Server
3 1 (3.45%) Relational Database
Development Applications
1 7 (24.14%) Team Foundation Server
General
1 6 (20.69%) Retail
2 4 (13.79%) Banking
3 3 (10.34%) Finance
4 2 (6.90%) Advertising
5 1 (3.45%) Back Office
Job Titles
1 8 (27.59%) Administrator
1 8 (27.59%) Consultant
1 8 (27.59%) Systems Administrator
2 7 (24.14%) Architect
2 7 (24.14%) CRM Consultant
2 7 (24.14%) Dynamics CRM Consultant
2 7 (24.14%) Linux Administrator
2 7 (24.14%) Linux Systems Administrator
2 7 (24.14%) Microsoft Consultant
2 7 (24.14%) Microsoft CRM Consultant
3 6 (20.69%) Integration Consultant
4 5 (17.24%) Infrastructure Architect
4 5 (17.24%) Infrastructure Solutions Architect
4 5 (17.24%) Solutions Architect
5 3 (10.34%) 3rd Line Support
5 3 (10.34%) Support Engineer
5 3 (10.34%) VMWare Administrator
6 2 (6.90%) 2nd/3rd Line Support
6 2 (6.90%) 3rd Line Engineer
6 2 (6.90%) 3rd Line Support Engineer
Libraries, Frameworks & Software Standards
1 7 (24.14%) .NET
1 7 (24.14%) SAML
1 7 (24.14%) WCF
1 7 (24.14%) Web Services
1 7 (24.14%) XML
1 7 (24.14%) XML Messaging
1 7 (24.14%) XSD
2 6 (20.69%) COM
2 6 (20.69%) OAuth
3 2 (6.90%) REST
4 1 (3.45%) AngularJS
4 1 (3.45%) CSS
4 1 (3.45%) HTML
4 1 (3.45%) JSON
4 1 (3.45%) OAuth2
4 1 (3.45%) OpenID
Miscellaneous
1 7 (24.14%) Analytical Skills
2 3 (10.34%) Data Centre
2 3 (10.34%) PKI
3 2 (6.90%) NHS
3 2 (6.90%) Smartcard
4 1 (3.45%) Clustering
4 1 (3.45%) Internet of Things
4 1 (3.45%) Linux Command Line
4 1 (3.45%) RSA SecurID
Operating Systems
1 13 (44.83%) Windows
2 8 (27.59%) Linux
3 7 (24.14%) Red Hat Enterprise Linux
4 5 (17.24%) Windows Server
5 4 (13.79%) Android
5 4 (13.79%) Apple iOS
6 3 (10.34%) CentOS
7 1 (3.45%) Windows 2000
7 1 (3.45%) Windows 8
7 1 (3.45%) Windows NT
7 1 (3.45%) Windows Server 2008
7 1 (3.45%) Windows Server 2012
7 1 (3.45%) Windows Vista
7 1 (3.45%) Windows XP
Processes & Methodologies
1 8 (27.59%) Agile Software Development
1 8 (27.59%) Virtual Environments
2 7 (24.14%) Business Intelligence
2 7 (24.14%) Configuration Management
2 7 (24.14%) CRM
2 7 (24.14%) Identity Management
2 7 (24.14%) SDLC
2 7 (24.14%) Service Design
2 7 (24.14%) SOA
2 7 (24.14%) TDD
2 7 (24.14%) Waterfall
3 6 (20.69%) Case Management
3 6 (20.69%) Data Management
3 6 (20.69%) Document Management
3 6 (20.69%) Security Monitoring
4 5 (17.24%) Performance Tuning
5 4 (13.79%) Identity Access Management
5 4 (13.79%) ITIL
5 4 (13.79%) Load Balancing
5 4 (13.79%) Virtual Infrastructure
Programming Languages
1 9 (31.03%) Perl
2 8 (27.59%) Bash Shell
2 8 (27.59%) PowerShell
3 7 (24.14%) C#
4 5 (17.24%) PHP
5 2 (6.90%) Python
6 1 (3.45%) AWK
6 1 (3.45%) C
6 1 (3.45%) C++
6 1 (3.45%) JavaScript
6 1 (3.45%) Korn
6 1 (3.45%) sed
Qualifications
1 5 (17.24%) SC Cleared
1 5 (17.24%) Security Cleared
2 1 (3.45%) CCA
2 1 (3.45%) CCAA
2 1 (3.45%) Citrix Certification
2 1 (3.45%) Microsoft Certification
2 1 (3.45%) VMware Certified Professional (VCP)
System Software
1 9 (31.03%) VMware Infrastructure
2 2 (6.90%) Active Directory
3 1 (3.45%) ISA Server
3 1 (3.45%) Microsoft App-V
3 1 (3.45%) XenApp
3 1 (3.45%) XenDesktop
3 1 (3.45%) XenServer
Systems Management
1 8 (27.59%) Nagios
1 8 (27.59%) Puppet
2 1 (3.45%) AppDNA
2 1 (3.45%) FortiGate
2 1 (3.45%) McAfee ePO
2 1 (3.45%) SCCM
2 1 (3.45%) SCOM
2 1 (3.45%) WSUS
2 1 (3.45%) XenMobile
Vendors
1 11 (37.93%) Microsoft
2 10 (34.48%) VMware
3 7 (24.14%) Red Hat
3 7 (24.14%) Salesforce.com
3 7 (24.14%) SAP
4 6 (20.69%) Infor
4 6 (20.69%) Oracle
5 2 (6.90%) F5
6 1 (3.45%) Blue Coat
6 1 (3.45%) CheckPoint
6 1 (3.45%) Cisco
6 1 (3.45%) Citrix
6 1 (3.45%) Clearswift
6 1 (3.45%) Forcepoint
6 1 (3.45%) Fortinet
6 1 (3.45%) Intel Security
6 1 (3.45%) Juniper