PKI Contract Job Trends in England

Public-Key Infrastructure (PKI)
UK > England

The table below looks at the prevalence of the term PKI in contract job vacancies in England. Included is a benchmarking guide to the contractor rates offered in vacancies that cited PKI over the 6 months leading up to 19 November 2025, comparing them to the same period in the previous two years.

6 months to
19 Nov 2025
Same period 2024 Same period 2023
Rank 296 293 237
Rank change year-on-year -3 -56 +134
Contract jobs citing PKI 262 226 401
As % of all contract jobs in England 0.86% 0.73% 1.02%
As % of the Miscellaneous category 2.36% 2.32% 3.15%
Number of daily rates quoted 207 143 248
10th Percentile £357 £415 £400
25th Percentile £463 £475 £486
Median daily rate (50th Percentile) £550 £550 £583
Median % change year-on-year - -5.66% -6.72%
75th Percentile £675 £630 £675
90th Percentile £838 £725 £750
UK median daily rate £550 £550 £575
% change year-on-year - -4.35% -4.17%
Number of hourly rates quoted 5 1 5
10th Percentile £74.80 - £46.38
25th Percentile £82.00 - -
Median hourly rate £90.00 £23.80 £55.00
Median % change year-on-year +278.15% -56.73% -8.33%
75th Percentile £100.00 - £56.40
90th Percentile £103.30 - £63.06
UK median hourly rate £90.00 £23.80 £55.00
% change year-on-year +278.15% -56.73% -10.57%

All Generic Skills
England

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 England.

Contract vacancies with a requirement for generic IT skills 11,095 9,735 12,741
As % of all contract IT jobs advertised in England 36.51% 31.57% 32.42%
Number of daily rates quoted 6,945 5,816 8,657
10th Percentile £285 £298 £275
25th Percentile £408 £413 £425
Median daily rate (50th Percentile) £520 £550 £550
Median % change year-on-year -5.45% - -2.65%
75th Percentile £638 £675 £675
90th Percentile £750 £800 £775
UK median daily rate £510 £532 £550
% change year-on-year -4.18% -3.23% -
Number of hourly rates quoted 603 302 461
10th Percentile £14.25 £17.08 £17.00
25th Percentile £18.25 £24.18 £21.25
Median hourly rate £29.00 £46.18 £45.00
Median % change year-on-year -37.20% +2.62% +47.54%
75th Percentile £56.35 £70.00 £65.00
90th Percentile £74.26 £75.16 £78.00
UK median hourly rate £27.21 £37.14 £44.50
% change year-on-year -26.74% -16.54% +48.33%

PKI
Job Vacancy Trend in England

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

PKI job vacancy trend in England

PKI
Daily Rate Trend in England

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

Contractor daily rate distribution trend for jobs in England citing PKI

PKI
Daily Rate Histogram in England

Daily rate distribution for jobs citing PKI in England over the 6 months to 19 November 2025.

Daily rate histogram for PKI in England

PKI
Hourly Rate Trend in England

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

Contractor hourly rate distribution trend for jobs in England citing PKI

PKI
Hourly Rate Histogram in England

Hourly rate distribution of jobs citing PKI in England over the 6 months to 19 November 2025.

Hourly rate histogram for PKI in England

PKI
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PKI within the England region over the 6 months to 19 November 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
London +43 94 £675 +18.42% 22
South East -3 53 £600 -0.41% 54
South West -24 52 £550 +0.55% 9
Midlands -14 37 £400 -27.27% 2
West Midlands -7 36 £400 -27.27% 2
North of England -40 12 £444 -37.72% 4
North West -15 11 £388 -18.42% 4
East of England -16 3 £550 - 4
Yorkshire -45 1 £600 -18.64%
East Midlands - 1 - -
PKI
UK

PKI
Co-Occurring Skills & Capabilities in England 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 38 (14.50%) Microsoft Exchange
2 17 (6.49%) Confluence
3 14 (5.34%) SharePoint
4 12 (4.58%) Apache
5 10 (3.82%) IIS
6 6 (2.29%) Skype for Business
7 4 (1.53%) JBoss
7 4 (1.53%) SharePoint Server
8 2 (0.76%) Alfresco
8 2 (0.76%) Camunda
9 1 (0.38%) Exchange Server 2010
Applications
1 23 (8.78%) Microsoft Office
2 2 (0.76%) Microsoft Excel
Cloud Services
1 44 (16.79%) AWS
1 44 (16.79%) Azure
2 26 (9.92%) IaaS
3 20 (7.63%) Entra ID
3 20 (7.63%) Microsoft 365
4 14 (5.34%) GitHub
5 11 (4.20%) AWS CloudFormation
6 9 (3.44%) SaaS
7 8 (3.05%) Virtual Private Cloud
8 7 (2.67%) Amazon ECS
8 7 (2.67%) AWS Fargate
9 6 (2.29%) GCP
10 5 (1.91%) Power Platform
11 4 (1.53%) Amazon S3
11 4 (1.53%) Azure DevOps
12 3 (1.15%) Amazon EC2
12 3 (1.15%) GitHub Actions
12 3 (1.15%) PaaS
12 3 (1.15%) Power Automate
12 3 (1.15%) Serverless
Communications & Networking
1 61 (23.28%) DNS
2 46 (17.56%) Firewall
3 41 (15.65%) BGP
4 40 (15.27%) IPsec
5 38 (14.50%) VPN
6 31 (11.83%) MPLS
7 27 (10.31%) WAN
8 23 (8.78%) DHCP
8 23 (8.78%) SSL
9 18 (6.87%) Network Security
10 16 (6.11%) Skype
11 12 (4.58%) Unified Communications
12 9 (3.44%) HTTPS
12 9 (3.44%) Junos
13 8 (3.05%) OSPF
13 8 (3.05%) TCP/IP
14 7 (2.67%) VSAN
15 6 (2.29%) EIGRP
15 6 (2.29%) S/MIME
16 5 (1.91%) SSH
Database & Business Intelligence
1 15 (5.73%) SQL Server
2 9 (3.44%) MongoDB
3 5 (1.91%) Amazon RDS
3 5 (1.91%) Relational Database
4 2 (0.76%) MySQL
4 2 (0.76%) PostgreSQL
5 1 (0.38%) Power BI
5 1 (0.38%) Redis
Development Applications
1 20 (7.63%) JIRA
2 12 (4.58%) GitLab
3 9 (3.44%) Jenkins
4 4 (1.53%) Git
4 4 (1.53%) MSI
4 4 (1.53%) Robot Framework
4 4 (1.53%) Sonatype Nexus
4 4 (1.53%) Terragrunt
5 2 (0.76%) Artifactory
5 2 (0.76%) JUnit
5 2 (0.76%) SpecFlow
6 1 (0.38%) CircleCI
6 1 (0.38%) Fiddler
6 1 (0.38%) Postman
General
1 60 (22.90%) Social Skills
2 53 (20.23%) Analytical Skills
3 34 (12.98%) Public Sector
4 18 (6.87%) Military
5 15 (5.73%) Finance
6 5 (1.91%) Documentation Skills
7 4 (1.53%) Inclusion and Diversity
7 4 (1.53%) Presentation Skills
8 2 (0.76%) Banking
9 1 (0.38%) Aerospace
9 1 (0.38%) Legal
9 1 (0.38%) Manufacturing
Job Titles
1 71 (27.10%) Architect
2 29 (11.07%) Senior
3 26 (9.92%) 3rd Line Engineer
4 23 (8.78%) Network Engineer
4 23 (8.78%) Support Engineer
5 22 (8.40%) Infrastructure Engineer
6 18 (6.87%) 3rd Line Support
7 17 (6.49%) 3rd Line Support Engineer
7 17 (6.49%) Security Architect
8 14 (5.34%) Administrator
8 14 (5.34%) Platform Manager
8 14 (5.34%) Systems Administrator
8 14 (5.34%) Systems Manager
8 14 (5.34%) Wintel Administrator
8 14 (5.34%) Wintel Engineer
8 14 (5.34%) Wintel Systems Administrator
9 13 (4.96%) Lead
10 11 (4.20%) WAN Engineer
11 10 (3.82%) 2nd Line Engineer
12 9 (3.44%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 32 (12.21%) REST
2 27 (10.31%) JSON
3 14 (5.34%) OpenID
4 13 (4.96%) Kafka
5 11 (4.20%) SAML
6 10 (3.82%) OAuth
6 10 (3.82%) OAuth2
7 9 (3.44%) Keycloak
8 7 (2.67%) cloud-init
8 7 (2.67%) NETCONF
8 7 (2.67%) RESTCONF
9 4 (1.53%) .NET
9 4 (1.53%) AngularJS
9 4 (1.53%) AWS CDK
9 4 (1.53%) LDAP
9 4 (1.53%) YAML
10 3 (1.15%) HTML
10 3 (1.15%) JDBC
10 3 (1.15%) SOAP
11 2 (0.76%) Web Services
Miscellaneous
1 30 (11.45%) Self-Motivation
2 11 (4.20%) Data Centre
2 11 (4.20%) Management Information System
3 9 (3.44%) Fat Client
3 9 (3.44%) Thin Client
4 8 (3.05%) Algorithms
5 7 (2.67%) Onboarding
5 7 (2.67%) Private Cloud
5 7 (2.67%) Replication
6 6 (2.29%) Security Operations Centre
7 5 (1.91%) Legacy Applications
8 4 (1.53%) Cyber Defence
8 4 (1.53%) Security Posture
9 3 (1.15%) Cloud Native
9 3 (1.15%) Public Cloud
9 3 (1.15%) Taxonomies
10 2 (0.76%) CSOC
10 2 (0.76%) Legacy Systems
10 2 (0.76%) Product Ownership
10 2 (0.76%) Tandem
Operating Systems
1 86 (32.82%) Windows
2 50 (19.08%) Linux
3 40 (15.27%) Windows Server
4 14 (5.34%) CentOS
5 13 (4.96%) Red Hat Enterprise Linux
5 13 (4.96%) Windows 10
6 9 (3.44%) Unix
6 9 (3.44%) Windows Server 2019
7 8 (3.05%) Windows 7
8 7 (2.67%) Windows Server 2012
9 5 (1.91%) Windows Server 2008
9 5 (1.91%) Windows Server 2016
10 3 (1.15%) VMS
11 2 (0.76%) Ubuntu
12 1 (0.38%) Android
12 1 (0.38%) Apple iOS
12 1 (0.38%) Mac OS
12 1 (0.38%) Solaris
12 1 (0.38%) SUSE
Processes & Methodologies
1 81 (30.92%) Agile
2 45 (17.18%) Key Management
3 35 (13.36%) DevOps
4 33 (12.60%) ITIL
5 32 (12.21%) Service Management
6 31 (11.83%) Change Management
7 30 (11.45%) CI/CD
8 28 (10.69%) Problem-Solving
9 27 (10.31%) Configuration Management
10 26 (9.92%) Cryptography
11 25 (9.54%) Cybersecurity
11 25 (9.54%) Infrastructure Engineering
12 23 (8.78%) Information Security
13 22 (8.40%) Containerisation
14 21 (8.02%) SIEM
15 20 (7.63%) Infrastructure as Code
16 19 (7.25%) Load Balancing
17 18 (6.87%) Incident Response
18 17 (6.49%) Critical Thinking
18 17 (6.49%) Identity Access Management
Programming Languages
1 73 (27.86%) PowerShell
2 49 (18.70%) Python
3 21 (8.02%) Bash
4 17 (6.49%) SQL
5 7 (2.67%) Go
5 7 (2.67%) Java
5 7 (2.67%) Perl
6 6 (2.29%) C++
6 6 (2.29%) JavaScript
6 6 (2.29%) Shell Script
7 4 (1.53%) PHP
8 2 (0.76%) C#
9 1 (0.38%) C
9 1 (0.38%) Kusto Query Language
Qualifications
1 184 (70.23%) Security Cleared
2 106 (40.46%) SC Cleared
3 70 (26.72%) DV Cleared
4 34 (12.98%) Degree
5 24 (9.16%) Cisco Certification
6 23 (8.78%) Microsoft Certification
7 19 (7.25%) CCNP
8 11 (4.20%) CISSP
9 10 (3.82%) MCSE
10 7 (2.67%) ITIL Certification
10 7 (2.67%) Master's Degree
10 7 (2.67%) VMware Certified Professional (VCP)
11 6 (2.29%) CCNA
11 6 (2.29%) IISP
11 6 (2.29%) ISACA
11 6 (2.29%) JNCIA
11 6 (2.29%) JNCIS
12 5 (1.91%) AWS Certification
12 5 (1.91%) Computer Science Degree
13 4 (1.53%) (ISC)2 CCSP
Quality Assurance & Compliance
1 16 (6.11%) NCSC
2 14 (5.34%) NIST
3 10 (3.82%) PCI DSS
4 8 (3.05%) ISO/IEC 27001
5 7 (2.67%) GDPR
6 5 (1.91%) FIPS 140-2
7 3 (1.15%) SLA
8 2 (0.76%) Accessibility
8 2 (0.76%) COBIT
8 2 (0.76%) HIPAA
8 2 (0.76%) QA
8 2 (0.76%) SOC 1
9 1 (0.38%) HMG Security Policy Framework
9 1 (0.38%) JSP 440
9 1 (0.38%) NIST 800
9 1 (0.38%) PMO
9 1 (0.38%) PSD2
9 1 (0.38%) RMADS
9 1 (0.38%) SOC 2
System Software
1 74 (28.24%) Active Directory
2 48 (18.32%) VMware Infrastructure
3 17 (6.49%) Docker
3 17 (6.49%) VMware ESXi
4 11 (4.20%) Firmware
5 10 (3.82%) VMware NSX
6 8 (3.05%) vSphere
7 7 (2.67%) Hyper-V
8 6 (2.29%) Virtual Machines
8 6 (2.29%) Virtual Servers
9 5 (1.91%) Microsoft Virtual Server
10 2 (0.76%) Active Directory Lightweight Directory Services
11 1 (0.38%) BitLocker
11 1 (0.38%) NFS
11 1 (0.38%) Sendmail
11 1 (0.38%) XenApp
Systems Management
1 34 (12.98%) Ansible
2 24 (9.16%) Terraform
3 23 (8.78%) Kubernetes
4 16 (6.11%) vCenter Server
5 14 (5.34%) Single Sign-On
6 12 (4.58%) Active Directory Federation Services
6 12 (4.58%) SCCM
6 12 (4.58%) WMI
7 11 (4.20%) Microsoft Intune
7 11 (4.20%) WSUS
8 9 (3.44%) SCOM
9 7 (2.67%) Jamf Pro
9 7 (2.67%) Packer
10 5 (1.91%) Grafana
10 5 (1.91%) Prometheus
11 4 (1.53%) Podman
11 4 (1.53%) QRadar
12 3 (1.15%) Check_MK
12 3 (1.15%) FortiGate
12 3 (1.15%) Proxmox
Vendors
1 91 (34.73%) Microsoft
2 65 (24.81%) VMware
3 43 (16.41%) Cisco
4 38 (14.50%) Juniper
5 26 (9.92%) Splunk
6 15 (5.73%) Veeam
7 13 (4.96%) SolarWinds
8 9 (3.44%) Atlassian
9 8 (3.05%) Dell
9 8 (3.05%) Okta
10 6 (2.29%) Fortinet
10 6 (2.29%) Google
10 6 (2.29%) IBM
10 6 (2.29%) Thales
11 5 (1.91%) Palo Alto
11 5 (1.91%) Red Hat
11 5 (1.91%) ServiceNow
12 4 (1.53%) Citrix
12 4 (1.53%) CyberArk
12 4 (1.53%) Oracle