X.509
UK

The table below provides summary statistics for permanent job vacancies requiring X.509 skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited X.509 over the 6 months leading up to 14 May 2025, comparing them to the same period in the previous two years.

6 months to
14 May 2025
Same period 2024 Same period 2023
Rank 711 872 956
Rank change year-on-year +161 +84 +255
Permanent jobs citing X.509 1 6 17
As % of all permanent jobs advertised in the UK 0.002% 0.006% 0.017%
As % of the Communications & Networking category 0.011% 0.044% 0.11%
Number of salaries quoted 1 4 13
10th Percentile - £65,500 £61,500
25th Percentile £68,750 £70,000 £62,500
Median annual salary (50th Percentile) £72,500 £75,000 £75,000
Median % change year-on-year -3.33% - +9.09%
75th Percentile £76,250 £81,875 £111,250
90th Percentile - £89,750 £120,000
UK excluding London median annual salary - £65,000 £102,500
% change year-on-year - -36.59% +32.26%

All Communications and Computer Networking Skills
UK

X.509 falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills.

Permanent vacancies with a requirement for communications or computer networking skills 9,239 13,484 15,812
As % of all permanent jobs advertised in the UK 16.77% 13.62% 15.62%
Number of salaries quoted 4,292 9,395 8,040
10th Percentile £23,504 £26,250 £27,750
25th Percentile £29,750 £32,500 £35,750
Median annual salary (50th Percentile) £45,000 £47,500 £50,000
Median % change year-on-year -5.26% -5.00% -4.76%
75th Percentile £66,250 £63,750 £71,250
90th Percentile £84,925 £77,715 £87,500
UK excluding London median annual salary £40,000 £43,875 £45,000
% change year-on-year -8.83% -2.50% -3.23%

X.509
Job Vacancy Trend

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

Job vacancy trend for X.509 in the UK

X.509
Salary Trend

3-month moving average salary quoted in 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 14 May 2025. 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
Jobs
England +138 1 £72,500 -3.33% 6
Work from Home - 1 £72,500 - 6

X.509
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Applications
1 1 (100.00%) Microsoft Excel
1 1 (100.00%) Microsoft PowerPoint
1 1 (100.00%) MS Visio
Cloud Services
1 1 (100.00%) AWS
1 1 (100.00%) Azure
Communications & Networking
1 1 (100.00%) S/MIME
1 1 (100.00%) SSL
General
1 1 (100.00%) Social Skills
Job Titles
1 1 (100.00%) Architect
1 1 (100.00%) Security Architect
Libraries, Frameworks & Software Standards
1 1 (100.00%) EJB
Miscellaneous
1 1 (100.00%) Algorithms
1 1 (100.00%) PKI
Processes & Methodologies
1 1 (100.00%) Cryptography
1 1 (100.00%) Design Patterns
1 1 (100.00%) Key Management
1 1 (100.00%) Presales
1 1 (100.00%) Stakeholder Engagement
Qualifications
1 1 (100.00%) CISM
1 1 (100.00%) CISSP
1 1 (100.00%) CompTIA Security+
1 1 (100.00%) Degree
1 1 (100.00%) DV Cleared
1 1 (100.00%) SC Cleared
1 1 (100.00%) Security Cleared
Quality Assurance & Compliance
1 1 (100.00%) GDPR
1 1 (100.00%) NIST
System Software
1 1 (100.00%) Active Directory
Systems Management
1 1 (100.00%) Computer Emergency Response Teams
Vendors
1 1 (100.00%) Microsoft
1 1 (100.00%) Thales