The following table provides summary statistics for permanent job vacancies with a requirement for X.509 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited X.509 over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

X.509
UK
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank - 940 941
Permanent jobs citing X.509 0 10 13
As % of all permanent IT jobs advertised in the UK - 0.010% 0.012%
As % of the Communications & Networking category - 0.055% 0.066%
Number of salaries quoted 0 7 8
Median salary - £48,200 £65,000
Median salary % change year-on-year - -25.84%  
UK excluding London median salary - £48,200 £62,500
% change year-on-year - -22.88%  

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 permanent job vacancies with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
UK
Permanent job vacancies with a requirement for communications and computer networking skills 13636 18120 19660
As % of all permanent IT job vacancies advertised in the UK 15.97% 17.36% 18.36%
Number of salaries quoted 11111 14994 15669
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,000 £27,500 £27,500
10% offered a salary of more than £67,500 £70,000 £65,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

X.509
Job Vacancy Trend

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

Job vacancy trend for X.509 in the UK

X.509
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing X.509.

Salary trend for X.509 in the UK

For the 6 months to 29 March 2017, IT 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 job ads with a requirement for X.509.

1 5 (50.00%) Java
1 5 (50.00%) Cryptography
2 4 (40.00%) QA
2 4 (40.00%) Multithreading
2 4 (40.00%) XML
2 4 (40.00%) Windows
2 4 (40.00%) Linux
2 4 (40.00%) DNS
2 4 (40.00%) SSL
2 4 (40.00%) Active Directory
2 4 (40.00%) Firewall
2 4 (40.00%) Puppet
3 3 (30.00%) KVM
3 3 (30.00%) DKIM
3 3 (30.00%) PAdES
3 3 (30.00%) CAdES
3 3 (30.00%) XAdES
3 3 (30.00%) DevOps
3 3 (30.00%) Analytical Skills
3 3 (30.00%) Rundeck
3 3 (30.00%) Multithreaded Programming
3 3 (30.00%) Shell Script
3 3 (30.00%) Finance
3 3 (30.00%) Law
3 3 (30.00%) Validation
3 3 (30.00%) Backup Exec
3 3 (30.00%) TCP/IP
3 3 (30.00%) VPN
3 3 (30.00%) LAN
3 3 (30.00%) WAN

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 1 (10.00%) Apache
1 1 (10.00%) IIS
1 1 (10.00%) Tomcat
Applications
1 3 (30.00%) MS Office
1 3 (30.00%) MS Visio
2 1 (10.00%) MS Excel
Communications & Networking
1 4 (40.00%) DNS
1 4 (40.00%) Firewall
1 4 (40.00%) SSL
2 3 (30.00%) DHCP
2 3 (30.00%) DKIM
2 3 (30.00%) FTP
2 3 (30.00%) LAN
2 3 (30.00%) Network Security
2 3 (30.00%) TCP/IP
2 3 (30.00%) VPN
2 3 (30.00%) WAN
3 1 (10.00%) HTTP
3 1 (10.00%) SSH
Database & Business Intelligence
1 3 (30.00%) MySQL
2 1 (10.00%) Relational Database
2 1 (10.00%) SQL Server
2 1 (10.00%) SQL Server Integration Services
2 1 (10.00%) SQL Server Reporting Services
General
1 3 (30.00%) Finance
1 3 (30.00%) Law
2 1 (10.00%) Retail
Job Titles
1 4 (40.00%) Administrator
1 4 (40.00%) Developer
1 4 (40.00%) Systems Administrator
2 3 (30.00%) Applications Developer
2 3 (30.00%) Infrastructure Engineer
2 3 (30.00%) Java Applications Developer
2 3 (30.00%) Java Developer
2 3 (30.00%) Senior Developer
2 3 (30.00%) Systems Engineer
3 2 (20.00%) Senior Applications Developer
3 2 (20.00%) Senior Java Applications Developer
3 2 (20.00%) Senior Java Developer
4 1 (10.00%) .NET Developer
4 1 (10.00%) ASP.NET Developer
4 1 (10.00%) C# Developer
4 1 (10.00%) Linux Systems Administrator
4 1 (10.00%) Senior .NET Developer
4 1 (10.00%) Server Administrator
4 1 (10.00%) Team Leader
4 1 (10.00%) Web Administrator
Libraries, Frameworks & Software Standards
1 4 (40.00%) XML
2 3 (30.00%) CAdES
2 3 (30.00%) PAdES
2 3 (30.00%) RabbitMQ
2 3 (30.00%) XAdES
2 3 (30.00%) XSD
3 1 (10.00%) ASP.NET MVC
3 1 (10.00%) ASP.NET Web API
3 1 (10.00%) Autofac
3 1 (10.00%) Code First Entity Framework
3 1 (10.00%) Entity Framework
3 1 (10.00%) HTML5
3 1 (10.00%) jQuery
3 1 (10.00%) KnockoutJS
3 1 (10.00%) Ninject
3 1 (10.00%) Sass
3 1 (10.00%) Semantic HTML
3 1 (10.00%) Twitter Bootstrap
3 1 (10.00%) WCF
3 1 (10.00%) WPF
Miscellaneous
1 3 (30.00%) Analytical Skills
2 1 (10.00%) Computer Science
2 1 (10.00%) Hedge funds
2 1 (10.00%) Linux Command Line
2 1 (10.00%) Management Information System
2 1 (10.00%) PKI
2 1 (10.00%) W3C
Operating Systems
1 4 (40.00%) Linux
1 4 (40.00%) Windows
2 3 (30.00%) CentOS
2 3 (30.00%) Ubuntu
3 1 (10.00%) Red Hat Enterprise Linux
3 1 (10.00%) VMS
Processes & Methodologies
1 5 (50.00%) Cryptography
2 4 (40.00%) Multithreading
3 3 (30.00%) DevOps
3 3 (30.00%) Document Management
3 3 (30.00%) ITIL
3 3 (30.00%) Multithreaded Programming
3 3 (30.00%) Validation
4 2 (20.00%) Information Security
4 2 (20.00%) OO
4 2 (20.00%) Software Architecture
5 1 (10.00%) Agile Software Development
5 1 (10.00%) Dependency Injection
5 1 (10.00%) Information Architecture
5 1 (10.00%) MVVM
5 1 (10.00%) Open Source
5 1 (10.00%) Performance Management
5 1 (10.00%) Requirements Analysis
5 1 (10.00%) Reverse Engineering
5 1 (10.00%) Security Architecture
5 1 (10.00%) Web Design
Programming Languages
1 5 (50.00%) Java
2 3 (30.00%) Shell Script
3 2 (20.00%) C#
4 1 (10.00%) AWK
4 1 (10.00%) Bash Shell
4 1 (10.00%) C++
4 1 (10.00%) JavaScript
4 1 (10.00%) Perl
4 1 (10.00%) PHP
4 1 (10.00%) PowerShell
4 1 (10.00%) sed
4 1 (10.00%) SQL
4 1 (10.00%) T-SQL
4 1 (10.00%) XAML
Qualifications
1 1 (10.00%) Degree
1 1 (10.00%) MCAD
1 1 (10.00%) MCP
1 1 (10.00%) MCSD
1 1 (10.00%) Microsoft Certification
Quality Assurance & Compliance
1 4 (40.00%) QA
System Software
1 4 (40.00%) Active Directory
2 3 (30.00%) KVM
3 1 (10.00%) VMware Infrastructure
Systems Management
1 4 (40.00%) Puppet
2 3 (30.00%) Backup Exec
2 3 (30.00%) Rundeck
2 3 (30.00%) ZABBIX
3 1 (10.00%) Nagios
Vendors
1 1 (10.00%) Microsoft
1 1 (10.00%) Red Hat
1 1 (10.00%) VMware
Stoke-On-Trent, Staffordshire
Evolution Recruitment Solutions
Salary: Excellent Salary and Benefits - please contact for details
Posted: Yesterday
London
Client Server
Salary: £90000 - £150000 per annum + bonus + benefits
Posted: 26 days ago