Security Information and Event Management (SIEM) South Wales> Cardiff
The table below provides summary statistics and salary benchmarking for jobs advertised in Cardiff requiring SIEM skills. It covers permanent job vacancies from the 6 months leading up to 14 November 2025, with comparisons to the same periods in the previous two years.
SIEM falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in Cardiff.
Permanent vacancies with a requirement for process or methodology skills
280
392
348
As % of all permanent jobs advertised in Cardiff
83.58%
73.13%
96.67%
Number of salaries quoted
198
267
300
10th Percentile
£30,000
£30,300
£32,986
25th Percentile
£45,000
£35,000
£42,188
Median annual salary (50th Percentile)
£54,537
£50,000
£52,500
Median % change year-on-year
+9.07%
-4.76%
-
75th Percentile
£60,000
£65,000
£67,500
90th Percentile
£77,500
£75,000
£73,750
South Wales median annual salary
£50,000
£48,000
£50,000
% change year-on-year
+4.17%
-4.00%
-0.16%
SIEM Job Vacancy Trend in Cardiff
Historical trend showing the proportion of permanent IT job postings citing SIEM relative to all permanent IT jobs advertised in Cardiff.
SIEM Salary Trend in Cardiff
Salary distribution trend for jobs in Cardiff citing SIEM.
SIEM Top 23 Co-Occurring Skills & Capabilities in Cardiff
For the 6 months to 14 November 2025, job vacancies citing SIEM also mentioned the following skills and capabilities in order of popularity.
The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the Cardiff region with a requirement for SIEM.
SIEM Co-Occurring Skills & Capabilities in Cardiff by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
