(ISC)² Certified Secure Software Lifecycle Professional (ISC2 CSSLP)
UK

The table below provides summary statistics for permanent job vacancies with a requirement for CSSLP qualifications. It includes a benchmarking guide to the salaries offered over the 6 months leading up to 28 May 2025, comparing them to the same period in the previous two years.

6 months to
28 May 2025
Same period 2024 Same period 2023
Rank 710 907 938
Rank change year-on-year +197 +31 +246
Permanent jobs citing CSSLP 1 3 26
As % of all permanent jobs advertised in the UK 0.002% 0.003% 0.027%
As % of the Qualifications category 0.004% 0.011% 0.080%
Number of salaries quoted 1 3 18
10th Percentile - - £66,500
25th Percentile £72,500 £80,000 £83,438
Median annual salary (50th Percentile) £75,000 £85,000 £92,000
Median % change year-on-year -11.76% -7.61% +13.58%
75th Percentile £77,500 £95,000 £98,000
90th Percentile - £98,000 £110,500
UK excluding London median annual salary - - £40,000
% change year-on-year - - -42.86%

All Academic and Professional Certifications
UK

CSSLP falls under the Academic Qualifications and Professional Certifications category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring academic qualifications or professional certifications.

Permanent vacancies requiring academic qualifications or professional certifications 26,899 27,630 32,541
As % of all permanent jobs advertised in the UK 49.19% 27.05% 33.23%
Number of salaries quoted 10,865 17,234 14,697
10th Percentile £31,750 £28,500 £31,973
25th Percentile £43,750 £38,501 £42,250
Median annual salary (50th Percentile) £55,000 £54,000 £60,000
Median % change year-on-year +1.85% -10.00% +9.09%
75th Percentile £68,568 £71,000 £77,500
90th Percentile £82,500 £87,500 £95,000
UK excluding London median annual salary £52,500 £50,000 £52,500
% change year-on-year +5.00% -4.76% +5.00%

CSSLP
Job Vacancy Trend

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

Job vacancy trend for CSSLP in the UK

CSSLP
Salary Trend

3-month moving average salary quoted in jobs citing CSSLP.

Salary trend for CSSLP in the UK

CSSLP
Top 2 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CSSLP within the UK over the 6 months to 28 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 +157 1 £75,000 -11.76% 3
Work from Home +120 1 £75,000 -11.76% 4

CSSLP
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:

Cloud Services
1 1 (100.00%) AWS
General
1 1 (100.00%) Finance
1 1 (100.00%) Military
Job Titles
1 1 (100.00%) Applications Consultant
1 1 (100.00%) Consultant
1 1 (100.00%) Security Consultant
Miscellaneous
1 1 (100.00%) Cloud Native
Processes & Methodologies
1 1 (100.00%) API Design
1 1 (100.00%) Application Security
1 1 (100.00%) Cyber Resilience
1 1 (100.00%) Cybersecurity
1 1 (100.00%) DevOps
1 1 (100.00%) DevSecOps
1 1 (100.00%) Dynamic Application Security Testing
1 1 (100.00%) OWASP
1 1 (100.00%) Secure Coding
1 1 (100.00%) Static Application Security Testing
1 1 (100.00%) Threat Modelling
1 1 (100.00%) Validation
Qualifications
1 1 (100.00%) CISSP
1 1 (100.00%) CREST Certified
1 1 (100.00%) GIAC
1 1 (100.00%) GWAPT