Period
to 23 April 2018

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 6 months to 23 April 2018 with a comparison to the same period in the previous 2 years.

X.509
UK
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 1192 1170 1257
Rank change year-on-year -22 +87 +33
Permanent jobs citing X.509 1 9 25
As % of all permanent IT jobs advertised in the UK 0.001% 0.005% 0.012%
As % of the Communications & Networking category 0.004% 0.032% 0.073%
Number of salaries quoted 1 1 14
UK median annual salary £50,000 £120,000 £62,500
Median salary % change year-on-year -58.33% +92.00% -3.85%
10th Percentile £45,000 £105,000 £37,625
90th Percentile £55,000 £135,000 £67,500
UK excluding London median annual salary - - £62,500

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

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 26,428 27,710 34,257
As % of all permanent IT jobs advertised in the UK 14.91% 16.18% 16.86%
Number of salaries quoted 21,032 22,575 28,441
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £26,000 £25,500 £25,125
90th Percentile £75,000 £72,500 £70,000
UK excluding London median annual salary £42,500 £40,000 £40,000
% change year-on-year +6.25% - -

X.509
Job Vacancy Trend

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

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 2 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 6 months to 23 April 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -15 1 £50,000 -58.33%
England -41 1 £50,000 -58.33% 1

For the 6 months to 23 April 2018, IT jobs citing X.509 also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for X.509.

1 1 (100.00%) C
1 1 (100.00%) C++
1 1 (100.00%) Java
1 1 (100.00%) Linux
1 1 (100.00%) Python
1 1 (100.00%) TCP/IP
1 1 (100.00%) Sun
1 1 (100.00%) Apple
1 1 (100.00%) Cryptography
1 1 (100.00%) Ruby
1 1 (100.00%) PKI
1 1 (100.00%) Degree
1 1 (100.00%) Wireshark
1 1 (100.00%) Computer Science
1 1 (100.00%) Bash Shell
1 1 (100.00%) tcpdump
1 1 (100.00%) Go
1 1 (100.00%) Docker
1 1 (100.00%) Database Theory
1 1 (100.00%) Kubernetes
1 1 (100.00%) Linux Command Line

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 1 (100.00%) TCP/IP
1 1 (100.00%) tcpdump
1 1 (100.00%) Wireshark
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Linux Developer
1 1 (100.00%) Linux Engineer
Miscellaneous
1 1 (100.00%) Computer Science
1 1 (100.00%) Linux Command Line
1 1 (100.00%) PKI
Operating Systems
1 1 (100.00%) Linux
Processes & Methodologies
1 1 (100.00%) Cryptography
1 1 (100.00%) Database Theory
Programming Languages
1 1 (100.00%) Bash Shell
1 1 (100.00%) C
1 1 (100.00%) C++
1 1 (100.00%) Go
1 1 (100.00%) Java
1 1 (100.00%) Python
1 1 (100.00%) Ruby
Qualifications
1 1 (100.00%) Degree
System Software
1 1 (100.00%) Docker
Systems Management
1 1 (100.00%) Kubernetes
Vendors
1 1 (100.00%) Apple
1 1 (100.00%) Sun