PKI Contract Job Trends in Central London

Public-Key Infrastructure (PKI)
London > Central London

The table below looks at the prevalence of the term PKI in contract job vacancies in Central London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited PKI over the 6 months leading up to 25 October 2025, comparing them to the same period in the previous two years.

6 months to
25 Oct 2025
Same period 2024 Same period 2023
Rank 122 124 135
Rank change year-on-year +2 +11 +44
Contract jobs citing PKI 6 7 14
As % of all contract jobs in Central London 0.32% 0.30% 0.45%
As % of the Miscellaneous category 0.85% 0.95% 1.40%
Number of daily rates quoted 4 3 10
10th Percentile £612 £591 £403
25th Percentile £620 £613 £429
Median daily rate (50th Percentile) £660 £650 £546
Median % change year-on-year +1.54% +18.99% -15.96%
75th Percentile £694 £713 £632
90th Percentile £710 £750 £700
London median daily rate £576 £576 £600
% change year-on-year - -3.96% -11.11%

All Generic Skills
Central London

PKI falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in Central London.

Contract vacancies with a requirement for generic IT skills 709 733 999
As % of all contract IT jobs advertised in Central London 38.22% 31.35% 32.45%
Number of daily rates quoted 521 470 653
10th Percentile £359 £350 £321
25th Percentile £450 £463 £480
Median daily rate (50th Percentile) £563 £576 £600
Median % change year-on-year -2.39% -3.96% +3.00%
75th Percentile £688 £712 £730
90th Percentile £775 £838 £838
London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% -
Number of hourly rates quoted 9 3 11
10th Percentile £16.96 £25.72 £17.00
25th Percentile £19.79 £26.20 £21.50
Median hourly rate £27.50 £27.00 £35.00
Median % change year-on-year +1.85% -22.86% -25.13%
75th Percentile £36.00 £59.75 £44.54
90th Percentile £70.21 £79.40 £53.00
London median hourly rate £26.30 £36.50 £29.61
% change year-on-year -27.95% +23.27% +5.79%

PKI
Job Vacancy Trend in Central London

Historical trend showing the proportion of contract IT job postings citing PKI relative to all contract IT jobs advertised in Central London.

PKI job vacancy trend in Central London

PKI
Daily Rate Trend in Central London

Contractor daily rate distribution trend for jobs in Central London citing PKI.

Contractor daily rate distribution trend for jobs in Central London citing PKI

PKI
Hourly Rate Trend in Central London

Contractor hourly rate distribution trend for jobs in Central London citing PKI.

Contractor hourly rate distribution trend for jobs in Central London citing PKI

PKI
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PKI within the Central London region over the 6 months to 25 October 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
City of London +9 6 £660 +1.54% 7
PKI
London

PKI
Co-Occurring Skills & Capabilities in Central London 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:

Cloud Services
1 2 (33.33%) Azure
2 1 (16.67%) AWS
2 1 (16.67%) Entra ID
2 1 (16.67%) OCI
2 1 (16.67%) SaaS
Communications & Networking
1 1 (16.67%) SSH
1 1 (16.67%) SSL
General
1 2 (33.33%) Public Sector
2 1 (16.67%) Social Skills
Job Titles
1 2 (33.33%) Architect
1 2 (33.33%) Security Architect
2 1 (16.67%) Lead
2 1 (16.67%) Principal Engineer
2 1 (16.67%) Principal Security Engineer
2 1 (16.67%) Project Manager
2 1 (16.67%) QA Engineer
2 1 (16.67%) QA Leader
2 1 (16.67%) Security Engineer
2 1 (16.67%) Senior
2 1 (16.67%) Senior Architect
2 1 (16.67%) Senior Security Architect
Libraries, Frameworks & Software Standards
1 1 (16.67%) JSON
1 1 (16.67%) REST
Miscellaneous
1 2 (33.33%) Smart Meter
2 1 (16.67%) Algorithms
2 1 (16.67%) Cloud Native
2 1 (16.67%) Management Information System
Operating Systems
1 1 (16.67%) Linux
Processes & Methodologies
1 3 (50.00%) Cybersecurity
2 2 (33.33%) Agile
2 2 (33.33%) Cloud Security
2 2 (33.33%) DevOps
2 2 (33.33%) Key Management
2 2 (33.33%) Migration
3 1 (16.67%) CI/CD
3 1 (16.67%) Cryptography
3 1 (16.67%) Data Security
3 1 (16.67%) Identity Access Management
3 1 (16.67%) Offensive Security
3 1 (16.67%) OWASP
3 1 (16.67%) Penetration Testing
3 1 (16.67%) RBAC
3 1 (16.67%) Security Architecture
3 1 (16.67%) Security Testing
3 1 (16.67%) SIEM
3 1 (16.67%) Test Automation
3 1 (16.67%) Vulnerability Assessment
3 1 (16.67%) Vulnerability Management
Programming Languages
1 1 (16.67%) PowerShell
Qualifications
1 4 (66.67%) SC Cleared
1 4 (66.67%) Security Cleared
2 1 (16.67%) CREST Certified
2 1 (16.67%) Degree
2 1 (16.67%) GIAC
2 1 (16.67%) SANS
Quality Assurance & Compliance
1 1 (16.67%) QA
Vendors
1 1 (16.67%) IBM
1 1 (16.67%) Palo Alto
1 1 (16.67%) Thales