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 27 June 2017 with a comparison to the same period in the previous 2 years.

X.509
UK
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 874 923 980
Rank change year-on-year +49 +57  
Permanent jobs citing X.509 16 9 2
As % of all permanent IT jobs advertised in the UK 0.018% 0.009% 0.002%
As % of the Communications & Networking category 0.11% 0.054% 0.011%
Number of salaries quoted 12 3 2
Median salary £60,000 £65,000 £61,250
Median salary % change year-on-year -7.69% +6.12%  
UK excluding London median salary - £62,500 £40,000
% change year-on-year - +56.25%  

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 14375 16711 18941
As % of all permanent IT job vacancies advertised in the UK 16.12% 16.97% 17.31%
Number of salaries quoted 11703 13908 15439
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,500 £27,000 £27,000
10% offered a salary of more than £70,000 £67,500 £67,500
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +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

X.509
Top 5 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing X.509 within the UK over the 3 months to 27 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +56 16 £60,000 -7.69%
London +47 12 £60,000 -25.00%
West Midlands - 4 - -
Staffordshire - 4 - -
West End of London - 2 £60,000 -

For the 6 months to 27 June 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 12 (75.00%) VPN
1 12 (75.00%) DNS
1 12 (75.00%) Cisco
1 12 (75.00%) CCNP
1 12 (75.00%) CCNA
1 12 (75.00%) Cisco Certification
1 12 (75.00%) Check Point Certification
1 12 (75.00%) Juniper
1 12 (75.00%) CheckPoint
1 12 (75.00%) Internet
1 12 (75.00%) Firewall
1 12 (75.00%) CCSA
1 12 (75.00%) CCSE
1 12 (75.00%) JNCIS
1 12 (75.00%) Network Security
1 12 (75.00%) Junos
1 12 (75.00%) F5
1 12 (75.00%) F5 BIG-IP LTM
2 11 (68.75%) VPLS
2 11 (68.75%) MPLS
2 11 (68.75%) OSPF
2 11 (68.75%) BGP
2 11 (68.75%) DSL
2 11 (68.75%) EIGRP
3 10 (62.50%) Windows
3 10 (62.50%) Translating Business Requirements
3 10 (62.50%) Windows Server
4 8 (50.00%) JNCIP
4 8 (50.00%) Data Centre
5 7 (43.75%) Intrusion Detection

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:

Communications & Networking
1 12 (75.00%) DNS
1 12 (75.00%) F5 BIG-IP LTM
1 12 (75.00%) Firewall
1 12 (75.00%) Internet
1 12 (75.00%) Junos
1 12 (75.00%) Network Security
1 12 (75.00%) VPN
2 11 (68.75%) BGP
2 11 (68.75%) DSL
2 11 (68.75%) EIGRP
2 11 (68.75%) MPLS
2 11 (68.75%) OSPF
2 11 (68.75%) VPLS
3 7 (43.75%) Intrusion Detection
3 7 (43.75%) LAN
3 7 (43.75%) WAN
General
1 6 (37.50%) Finance
2 4 (25.00%) Banking
Job Titles
1 9 (56.25%) Analyst
1 9 (56.25%) Infrastructure Analyst
1 9 (56.25%) Network Analyst
1 9 (56.25%) Network Infrastructure Analyst
1 9 (56.25%) Network Security Analyst
1 9 (56.25%) Security Analyst
2 5 (31.25%) Asset Management Analyst
3 4 (25.00%) Applications Developer
3 4 (25.00%) Developer
3 4 (25.00%) Financial Analyst
3 4 (25.00%) Java Applications Developer
3 4 (25.00%) Java Developer
3 4 (25.00%) Service Analyst
4 3 (18.75%) Network Engineer
4 3 (18.75%) Network Security Engineer
4 3 (18.75%) Security Engineer
5 1 (6.25%) Cisco Engineer
5 1 (6.25%) Cisco Security Engineer
5 1 (6.25%) Firewall Engineer
5 1 (6.25%) Switch Engineer
Libraries, Frameworks & Software Standards
1 4 (25.00%) XML
1 4 (25.00%) XSD
Miscellaneous
1 8 (50.00%) Data Centre
2 4 (25.00%) Analytical Skills
Operating Systems
1 10 (62.50%) Windows
1 10 (62.50%) Windows Server
Processes & Methodologies
1 10 (62.50%) Translating Business Requirements
2 6 (37.50%) Asset Management
3 4 (25.00%) Cryptography
3 4 (25.00%) Multithreaded Programming
3 4 (25.00%) Multithreading
3 4 (25.00%) Requirements Analysis
3 4 (25.00%) Validation
Programming Languages
1 4 (25.00%) Java
Qualifications
1 12 (75.00%) CCNA
1 12 (75.00%) CCNP
1 12 (75.00%) CCSA
1 12 (75.00%) CCSE
1 12 (75.00%) Check Point Certification
1 12 (75.00%) Cisco Certification
1 12 (75.00%) JNCIS
2 8 (50.00%) JNCIP
Vendors
1 12 (75.00%) CheckPoint
1 12 (75.00%) Cisco
1 12 (75.00%) F5
1 12 (75.00%) Juniper