PKI Contract Job Trends in Hertfordshire

Public-Key Infrastructure (PKI)
East of England > Hertfordshire

The table below looks at the prevalence of the term PKI in contract job vacancies in Hertfordshire. Included is a benchmarking guide to the contractor rates offered in vacancies that cited PKI over the 6 months leading up to 20 December 2025, comparing them to the same period in the previous two years.

6 months to
20 Dec 2025
Same period 2024 Same period 2023
Rank 60 41 62
Rank change year-on-year -19 +21 +14
Contract jobs citing PKI 3 1 7
As % of all contract jobs in Hertfordshire 0.45% 0.26% 1.04%
As % of the Miscellaneous category 1.39% 0.60% 2.88%
Number of daily rates quoted 1 0 5
10th Percentile - - £573
25th Percentile £525 - £588
Median daily rate (50th Percentile) £550 - £643
Median % change year-on-year - - -11.38%
75th Percentile £575 - £675
90th Percentile - - -
East of England median daily rate £550 - £643
% change year-on-year - - +35.98%

All Generic Skills
Hertfordshire

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 Hertfordshire.

Contract vacancies with a requirement for generic IT skills 216 168 243
As % of all contract IT jobs advertised in Hertfordshire 32.38% 44.09% 36.00%
Number of daily rates quoted 81 76 119
10th Percentile £350 £297 £283
25th Percentile £413 £396 £406
Median daily rate (50th Percentile) £550 £500 £500
Median % change year-on-year +10.00% - -9.09%
75th Percentile £675 £600 £650
90th Percentile £800 £669 £815
East of England median daily rate £475 £490 £500
% change year-on-year -3.06% -2.00% +11.11%
Number of hourly rates quoted 64 35 63
10th Percentile £17.35 £35.00 £32.45
25th Percentile £41.25 £50.25 £42.50
Median hourly rate £64.25 £67.50 £65.00
Median % change year-on-year -4.81% +3.85% -5.45%
75th Percentile £68.75 £85.00 -
90th Percentile £77.50 £95.00 £70.00
East of England median hourly rate £43.75 £66.00 £60.00
% change year-on-year -33.71% +10.00% +14.29%

PKI
Job Vacancy Trend in Hertfordshire

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

PKI job vacancy trend in Hertfordshire

PKI
Daily Rate Trend in Hertfordshire

Contractor daily rate distribution trend for jobs in Hertfordshire citing PKI.

Contractor daily rate distribution trend for jobs in Hertfordshire citing PKI

PKI
Hourly Rate Trend in Hertfordshire

Contractor hourly rate distribution trend for jobs in Hertfordshire citing PKI.

Contractor hourly rate distribution trend for jobs in Hertfordshire citing PKI

PKI
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PKI within the Hertfordshire region over the 6 months to 20 December 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
Hatfield - 2 - -
Stevenage - 1 £550 - 7
PKI
East of England

PKI
Co-Occurring Skills & Capabilities in Hertfordshire 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:

Application Platforms
1 1 (33.33%) Exchange Server 2010
1 1 (33.33%) Microsoft Exchange
Cloud Services
1 2 (66.67%) Azure
1 2 (66.67%) Azure DevOps
1 2 (66.67%) Entra ID
1 2 (66.67%) Google Workspace
Communications & Networking
1 3 (100.00%) DNS
2 2 (66.67%) DHCP
2 2 (66.67%) Firewall
2 2 (66.67%) TCP/IP
Database & Business Intelligence
1 2 (66.67%) SQL Server
Development Applications
1 2 (66.67%) GitLab
Job Titles
1 3 (100.00%) Infrastructure Engineer
1 3 (100.00%) Senior
1 3 (100.00%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 2 (66.67%) REST
Operating Systems
1 3 (100.00%) Windows
1 3 (100.00%) Windows Server
2 2 (66.67%) Linux
2 2 (66.67%) VMS
3 1 (33.33%) Windows Server 2012
Processes & Methodologies
1 3 (100.00%) Infrastructure Engineering
2 2 (66.67%) CI/CD
2 2 (66.67%) DevOps
2 2 (66.67%) Identity Access Management
2 2 (66.67%) Infrastructure as Code
2 2 (66.67%) Infrastructure Automation
2 2 (66.67%) Platform Engineering
2 2 (66.67%) Task Automation
2 2 (66.67%) Zero Trust
Programming Languages
1 3 (100.00%) PowerShell
2 2 (66.67%) Python
Qualifications
1 1 (33.33%) SC Cleared
1 1 (33.33%) Security Cleared
System Software
1 3 (100.00%) Active Directory
1 3 (100.00%) VMware Infrastructure
2 1 (33.33%) Sendmail
Systems Management
1 2 (66.67%) Microsoft Intune
1 2 (66.67%) Terraform
1 2 (66.67%) vCenter Server
2 1 (33.33%) Single Sign-On
Vendors
1 3 (100.00%) Microsoft
1 3 (100.00%) VMware
2 2 (66.67%) Citrix
2 2 (66.67%) Google
2 2 (66.67%) Wyse