Period
to 18 November 2017

The following table provides summary statistics for contract job vacancies advertised in England 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
UK > England
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 821 826 843
Rank change year-on-year +5 +17 -1
Contract jobs citing X.509 10 47 22
As % of all contract IT jobs advertised in England 0.011% 0.048% 0.021%
As % of the Communications & Networking category 0.077% 0.31% 0.15%
Number of daily rates quoted 9 32 8
England median daily rate £538 £375 £390
Median daily rate % change year-on-year +43.33% -3.85% +15.56%
10th Percentile £391 £313 £353
90th Percentile £707 £475 £493
UK median daily rate £538 £375 £390
% change year-on-year +43.33% -3.85% +15.56%
Number of hourly rates quoted 0 0 2
England median hourly rate - - £50.00
UK 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 England with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
England
Contract vacancies with a requirement for communications or computer networking skills 13002 15144 14754
As % of all contract IT jobs advertised in England 13.85% 15.43% 14.05%
Number of daily rates quoted 7972 9217 8640
England median daily rate £403 £400 £390
Median daily rate % change year-on-year +0.63% +2.56% +4.00%
10th Percentile £190 £220 £213
90th Percentile £588 £575 £550
UK median daily rate £400 £400 £388
% change year-on-year - +3.23% +3.33%
Number of hourly rates quoted 675 768 952
England median hourly rate £18.70 £22.84 £20.50
Median hourly rate % change year-on-year -18.11% +11.39% +2.50%
10th Percentile £11.50 £11.72 £11.00
90th Percentile £46.23 £47.50 £47.15
UK median hourly rate £19.00 £23.75 £20.50
% change year-on-year -20.00% +15.85% +2.50%

X.509
Job Vacancy Trend in England

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

Job vacancy trend for X.509 in England

X.509
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for X.509 in England

X.509
Contractor Daily Rate Histogram in England

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

Contractor daily rate histogram for X.509 in England

X.509
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for X.509 in England

X.509
Contract Job Locations in England

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 England 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
London -29 8 £541 +44.33% 1
East of England -25 2 £263 -
X.509
UK

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 England region with a requirement for X.509.

1 6 (60.00%) LDAP
1 6 (60.00%) HTTP
1 6 (60.00%) OAuth
2 4 (40.00%) PKI
2 4 (40.00%) DNS
2 4 (40.00%) XML Schema
2 4 (40.00%) C#
2 4 (40.00%) SQL
2 4 (40.00%) SQL Server
2 4 (40.00%) Web Services
2 4 (40.00%) XML
2 4 (40.00%) JSON
2 4 (40.00%) LINQ
2 4 (40.00%) Amazon AWS
2 4 (40.00%) OAuth2
2 4 (40.00%) JSON Schema
3 3 (30.00%) Swagger
3 3 (30.00%) Bigtable
3 3 (30.00%) DevOps
3 3 (30.00%) Continuous Integration
3 3 (30.00%) Data Integration
3 3 (30.00%) SSL
3 3 (30.00%) Active Directory
3 3 (30.00%) ETL
3 3 (30.00%) Agile Software Development
3 3 (30.00%) SQL Server Integration Services
4 2 (20.00%) Information Security
4 2 (20.00%) Finance
4 2 (20.00%) SAML
4 2 (20.00%) Shell Script

X.509
Co-occurring IT Skills in England 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 (20.00%) Apache
1 2 (20.00%) IIS
1 2 (20.00%) Tomcat
Cloud Services
1 4 (40.00%) Amazon AWS
2 2 (20.00%) Google Cloud Platform
2 2 (20.00%) Microsoft Azure
3 1 (10.00%) Azure Active Directory
Communications & Networking
1 6 (60.00%) HTTP
1 6 (60.00%) LDAP
2 4 (40.00%) DNS
3 3 (30.00%) SSL
4 2 (20.00%) Kerberos
4 2 (20.00%) Wireshark
5 1 (10.00%) Firewall
5 1 (10.00%) Internet
5 1 (10.00%) LAN
5 1 (10.00%) Network Security
5 1 (10.00%) TCP/IP
5 1 (10.00%) VoIP
5 1 (10.00%) VPN
5 1 (10.00%) WAN
Database & Business Intelligence
1 4 (40.00%) SQL Server
2 3 (30.00%) Bigtable
2 3 (30.00%) SQL Server Integration Services
3 1 (10.00%) PostgreSQL
3 1 (10.00%) Relational Database
Development Applications
1 2 (20.00%) Fiddler
1 2 (20.00%) Git (software)
1 2 (20.00%) Subversion
General
1 2 (20.00%) Finance
2 1 (10.00%) Banking
Job Titles
1 5 (50.00%) Developer
2 3 (30.00%) C# Developer
3 2 (20.00%) .NET Developer
3 2 (20.00%) Application Security Specialist
3 2 (20.00%) Applications Specialist
3 2 (20.00%) Architect
3 2 (20.00%) C# .NET Developer
3 2 (20.00%) Security Specialist
3 2 (20.00%) Technical Architect
4 1 (10.00%) AWS Developer
4 1 (10.00%) Azure Developer
4 1 (10.00%) Cloud Specialist
4 1 (10.00%) Data Integration Developer
4 1 (10.00%) Identity Management Architect
4 1 (10.00%) Integration Developer
4 1 (10.00%) LAN Engineer
4 1 (10.00%) LAN/WAN Engineer
4 1 (10.00%) Network Engineer
4 1 (10.00%) Switch Engineer
4 1 (10.00%) WAN Engineer
Libraries, Frameworks & Software Standards
1 6 (60.00%) OAuth
2 4 (40.00%) JSON
2 4 (40.00%) JSON Schema
2 4 (40.00%) LINQ
2 4 (40.00%) OAuth2
2 4 (40.00%) Web Services
2 4 (40.00%) XML
2 4 (40.00%) XML Schema
3 3 (30.00%) Swagger
4 2 (20.00%) .NET
4 2 (20.00%) HTML
4 2 (20.00%) Java EE
4 2 (20.00%) SAML
4 2 (20.00%) SPNEGO
5 1 (10.00%) gevent
5 1 (10.00%) Protocol Buffers
5 1 (10.00%) pytest
5 1 (10.00%) RabbitMQ
5 1 (10.00%) REST
5 1 (10.00%) SQLAlchemy
Miscellaneous
1 4 (40.00%) PKI
2 1 (10.00%) Computer Science
2 1 (10.00%) Internet of Things
2 1 (10.00%) Smart City
Operating Systems
1 2 (20.00%) Unix
1 2 (20.00%) Windows
2 1 (10.00%) Linux
2 1 (10.00%) Ubuntu
Processes & Methodologies
1 3 (30.00%) Agile Software Development
1 3 (30.00%) Continuous Integration
1 3 (30.00%) Data Integration
1 3 (30.00%) DevOps
1 3 (30.00%) ETL
2 2 (20.00%) API Design
2 2 (20.00%) Configuration Management
2 2 (20.00%) Cryptography
2 2 (20.00%) Identity Access Management
2 2 (20.00%) Information Security
2 2 (20.00%) Penetration Testing
2 2 (20.00%) Presales
2 2 (20.00%) UML
2 2 (20.00%) Use Case
3 1 (10.00%) API Development
3 1 (10.00%) Digital Transformation Programme
3 1 (10.00%) Ethical Hacking
3 1 (10.00%) Service Delivery
3 1 (10.00%) Software Engineering
3 1 (10.00%) Strategic Thinking
Programming Languages
1 4 (40.00%) C#
1 4 (40.00%) SQL
2 2 (20.00%) Java
2 2 (20.00%) Shell Script
3 1 (10.00%) C
3 1 (10.00%) JavaScript
3 1 (10.00%) Python
Qualifications
1 1 (10.00%) CCNA
1 1 (10.00%) CCNP
1 1 (10.00%) CEH
1 1 (10.00%) CISA
1 1 (10.00%) Cisco Certification
1 1 (10.00%) CISSP
1 1 (10.00%) CSSLP
1 1 (10.00%) Degree
1 1 (10.00%) GIAC
1 1 (10.00%) OSCP
1 1 (10.00%) SANS
System Software
1 3 (30.00%) Active Directory
2 1 (10.00%) Docker
Systems Management
1 2 (20.00%) Opscode Chef
1 2 (20.00%) Puppet
Vendors
1 2 (20.00%) ForgeRock
2 1 (10.00%) CheckPoint
2 1 (10.00%) Cisco