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 29 November 2025, comparing them to the same period in the previous two years.

6 months to
29 Nov 2025
Same period 2024 Same period 2023
Rank 296 306 232
Rank change year-on-year +10 -74 +128
Contract jobs citing PKI 258 217 407
As % of all contract jobs in England 0.84% 0.70% 1.04%
As % of the Miscellaneous category 2.31% 2.21% 3.26%
Number of daily rates quoted 200 140 253
10th Percentile £357 £413 £400
25th Percentile £463 £475 £500
Median daily rate (50th Percentile) £550 £550 £583
Median % change year-on-year - -5.66% -7.42%
75th Percentile £688 £629 £675
90th Percentile £838 £738 £750
UK median daily rate £550 £550 £575
% change year-on-year - -4.35% -8.00%
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 11,173 9,814 12,473
As % of all contract IT jobs advertised in England 36.38% 31.68% 32.01%
Number of daily rates quoted 7,023 5,854 8,473
10th Percentile £285 £298 £270
25th Percentile £408 £413 £425
Median daily rate (50th Percentile) £515 £550 £550
Median % change year-on-year -6.36% - -3.13%
75th Percentile £638 £675 £675
90th Percentile £750 £800 £775
UK median daily rate £506 £538 £550
% change year-on-year -5.95% -2.27% -
Number of hourly rates quoted 577 318 461
10th Percentile £13.95 £15.85 £17.00
25th Percentile £18.25 £23.80 £21.25
Median hourly rate £28.00 £41.00 £44.50
Median % change year-on-year -31.71% -7.87% +27.14%
75th Percentile £58.00 £70.00 £65.00
90th Percentile £75.00 £75.19 £77.50
UK median hourly rate £27.00 £35.00 £44.25
% change year-on-year -22.86% -20.90% +26.43%

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 29 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 29 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 29 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 +60 91 £675 +17.39% 8
South East +9 56 £600 +4.35% 43
South West -22 49 £550 +0.36% 5
Midlands -6 36 £400 -27.27% 4
West Midlands +1 35 £400 -27.27% 4
North of England -45 12 £444 -38.79% 7
North West -18 11 £388 -20.51% 1
East of England -13 3 £550 - 5
Yorkshire -32 1 £600 -18.64% 6
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 (14.73%) Microsoft Exchange
2 14 (5.43%) SharePoint
3 13 (5.04%) Confluence
4 10 (3.88%) Apache
5 9 (3.49%) IIS
6 6 (2.33%) Skype for Business
7 4 (1.55%) JBoss
7 4 (1.55%) SharePoint Server
8 2 (0.78%) Exchange Server 2010
9 1 (0.39%) Alfresco
9 1 (0.39%) Camunda
Applications
1 20 (7.75%) Microsoft Office
2 2 (0.78%) Microsoft Excel
Cloud Services
1 42 (16.28%) Azure
2 41 (15.89%) AWS
3 26 (10.08%) IaaS
4 20 (7.75%) Microsoft 365
5 19 (7.36%) Entra ID
6 14 (5.43%) GitHub
7 11 (4.26%) AWS CloudFormation
8 8 (3.10%) SaaS
8 8 (3.10%) Virtual Private Cloud
9 7 (2.71%) Amazon ECS
9 7 (2.71%) AWS Fargate
10 6 (2.33%) GCP
11 5 (1.94%) Power Platform
12 4 (1.55%) Azure DevOps
13 3 (1.16%) Amazon S3
13 3 (1.16%) GitHub Actions
13 3 (1.16%) Nutanix
13 3 (1.16%) PaaS
13 3 (1.16%) Power Automate
13 3 (1.16%) Serverless
Communications & Networking
1 57 (22.09%) DNS
2 47 (18.22%) Firewall
3 38 (14.73%) BGP
4 37 (14.34%) IPsec
5 35 (13.57%) VPN
6 28 (10.85%) MPLS
7 27 (10.47%) WAN
8 22 (8.53%) DHCP
9 21 (8.14%) SSL
10 18 (6.98%) Network Security
11 16 (6.20%) Skype
12 9 (3.49%) HTTPS
12 9 (3.49%) Junos
12 9 (3.49%) Unified Communications
13 8 (3.10%) OSPF
13 8 (3.10%) TCP/IP
14 7 (2.71%) VSAN
15 6 (2.33%) EIGRP
15 6 (2.33%) S/MIME
16 5 (1.94%) Kerberos
Database & Business Intelligence
1 15 (5.81%) SQL Server
2 8 (3.10%) MongoDB
3 5 (1.94%) Amazon RDS
4 4 (1.55%) Relational Database
5 1 (0.39%) MySQL
5 1 (0.39%) PostgreSQL
5 1 (0.39%) Power BI
5 1 (0.39%) Redis
Development Applications
1 16 (6.20%) JIRA
2 12 (4.65%) GitLab
3 9 (3.49%) Jenkins
4 4 (1.55%) Robot Framework
4 4 (1.55%) Sonatype Nexus
4 4 (1.55%) Terragrunt
5 3 (1.16%) Git
5 3 (1.16%) MSI
6 2 (0.78%) Artifactory
6 2 (0.78%) SpecFlow
7 1 (0.39%) CircleCI
7 1 (0.39%) Fiddler
7 1 (0.39%) JUnit
7 1 (0.39%) Postman
General
1 56 (21.71%) Social Skills
2 50 (19.38%) Analytical Skills
3 33 (12.79%) Public Sector
4 17 (6.59%) Military
5 15 (5.81%) Finance
6 4 (1.55%) Documentation Skills
6 4 (1.55%) Inclusion and Diversity
6 4 (1.55%) Presentation Skills
7 2 (0.78%) Banking
8 1 (0.39%) Aerospace
8 1 (0.39%) Legal
8 1 (0.39%) Manufacturing
Job Titles
1 74 (28.68%) Architect
2 29 (11.24%) Senior
3 26 (10.08%) 3rd Line Engineer
4 24 (9.30%) Support Engineer
5 23 (8.91%) Infrastructure Engineer
6 20 (7.75%) Network Engineer
7 19 (7.36%) 3rd Line Support
8 18 (6.98%) 3rd Line Support Engineer
9 16 (6.20%) Security Architect
10 14 (5.43%) Administrator
10 14 (5.43%) Platform Manager
10 14 (5.43%) Systems Administrator
10 14 (5.43%) Systems Manager
10 14 (5.43%) Wintel Administrator
10 14 (5.43%) Wintel Engineer
10 14 (5.43%) Wintel Systems Administrator
11 12 (4.65%) Lead
12 11 (4.26%) WAN Engineer
13 10 (3.88%) 2nd Line Engineer
13 10 (3.88%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 31 (12.02%) REST
2 27 (10.47%) JSON
3 14 (5.43%) OpenID
4 12 (4.65%) Kafka
5 11 (4.26%) SAML
6 10 (3.88%) OAuth
6 10 (3.88%) OAuth2
7 8 (3.10%) Keycloak
8 7 (2.71%) cloud-init
9 4 (1.55%) .NET
9 4 (1.55%) AWS CDK
9 4 (1.55%) LDAP
9 4 (1.55%) NETCONF
9 4 (1.55%) RESTCONF
10 3 (1.16%) AngularJS
10 3 (1.16%) JDBC
10 3 (1.16%) SOAP
10 3 (1.16%) YAML
11 2 (0.78%) Elastic Stack
11 2 (0.78%) Gherkin
Miscellaneous
1 30 (11.63%) Self-Motivation
2 11 (4.26%) Data Centre
3 10 (3.88%) Fat Client
3 10 (3.88%) Thin Client
4 8 (3.10%) Management Information System
5 7 (2.71%) Private Cloud
6 6 (2.33%) Algorithms
6 6 (2.33%) Onboarding
6 6 (2.33%) Replication
7 5 (1.94%) Legacy Applications
7 5 (1.94%) Security Operations Centre
8 4 (1.55%) Cyber Defence
8 4 (1.55%) Public Cloud
8 4 (1.55%) Security Posture
9 3 (1.16%) Cloud Native
9 3 (1.16%) Taxonomies
10 2 (0.78%) Legacy Systems
10 2 (0.78%) Product Ownership
10 2 (0.78%) Tandem
11 1 (0.39%) CSOC
Operating Systems
1 86 (33.33%) Windows
2 50 (19.38%) Linux
3 40 (15.50%) Windows Server
4 13 (5.04%) CentOS
4 13 (5.04%) Windows 10
5 12 (4.65%) Red Hat Enterprise Linux
6 9 (3.49%) Unix
6 9 (3.49%) Windows 7
7 8 (3.10%) Windows Server 2012
7 8 (3.10%) Windows Server 2019
8 5 (1.94%) Windows Server 2008
8 5 (1.94%) Windows Server 2016
9 3 (1.16%) VMS
10 2 (0.78%) Ubuntu
11 1 (0.39%) Android
11 1 (0.39%) Apple iOS
11 1 (0.39%) Mac OS
11 1 (0.39%) Solaris
11 1 (0.39%) SUSE
Processes & Methodologies
1 81 (31.40%) Agile
2 45 (17.44%) Key Management
3 33 (12.79%) ITIL
4 31 (12.02%) Change Management
4 31 (12.02%) DevOps
5 29 (11.24%) Service Management
6 28 (10.85%) CI/CD
6 28 (10.85%) Problem-Solving
7 27 (10.47%) Configuration Management
8 26 (10.08%) Cryptography
8 26 (10.08%) Infrastructure Engineering
9 22 (8.53%) Containerisation
9 22 (8.53%) Cybersecurity
9 22 (8.53%) Information Security
10 20 (7.75%) Infrastructure as Code
11 19 (7.36%) Load Balancing
12 18 (6.98%) Incident Response
12 18 (6.98%) SIEM
13 17 (6.59%) Migration
14 16 (6.20%) Security Patching
Programming Languages
1 74 (28.68%) PowerShell
2 47 (18.22%) Python
3 21 (8.14%) Bash
4 17 (6.59%) SQL
5 7 (2.71%) Go
5 7 (2.71%) Perl
6 6 (2.33%) C++
6 6 (2.33%) Java
6 6 (2.33%) JavaScript
6 6 (2.33%) Shell Script
7 3 (1.16%) PHP
8 2 (0.78%) C#
9 1 (0.39%) C
9 1 (0.39%) Kusto Query Language
Qualifications
1 181 (70.16%) Security Cleared
2 99 (38.37%) SC Cleared
3 74 (28.68%) DV Cleared
4 31 (12.02%) Degree
5 23 (8.91%) Microsoft Certification
6 21 (8.14%) Cisco Certification
7 16 (6.20%) CCNP
8 10 (3.88%) CISSP
8 10 (3.88%) MCSE
9 7 (2.71%) ITIL Certification
9 7 (2.71%) Master's Degree
9 7 (2.71%) VMware Certified Professional (VCP)
10 6 (2.33%) CCNA
10 6 (2.33%) IISP
10 6 (2.33%) ISACA
10 6 (2.33%) JNCIA
10 6 (2.33%) JNCIS
11 5 (1.94%) AWS Certification
11 5 (1.94%) Computer Science Degree
12 4 (1.55%) (ISC)2 CCSP
Quality Assurance & Compliance
1 16 (6.20%) NCSC
2 14 (5.43%) NIST
3 10 (3.88%) PCI DSS
4 8 (3.10%) ISO/IEC 27001
5 7 (2.71%) GDPR
6 5 (1.94%) FIPS 140-2
7 3 (1.16%) SLA
8 2 (0.78%) Accessibility
8 2 (0.78%) COBIT
8 2 (0.78%) HIPAA
8 2 (0.78%) SOC 1
9 1 (0.39%) HMG Security Policy Framework
9 1 (0.39%) JSP 440
9 1 (0.39%) NIST 800
9 1 (0.39%) PMO
9 1 (0.39%) PSD2
9 1 (0.39%) RMADS
9 1 (0.39%) SOC 2
System Software
1 73 (28.29%) Active Directory
2 44 (17.05%) VMware Infrastructure
3 16 (6.20%) Docker
4 13 (5.04%) VMware ESXi
5 11 (4.26%) Firmware
6 10 (3.88%) VMware NSX
7 8 (3.10%) vSphere
8 6 (2.33%) Hyper-V
8 6 (2.33%) Virtual Machines
8 6 (2.33%) Virtual Servers
9 5 (1.94%) Microsoft Virtual Server
10 2 (0.78%) Active Directory Lightweight Directory Services
10 2 (0.78%) Sendmail
11 1 (0.39%) BitLocker
11 1 (0.39%) NFS
11 1 (0.39%) XenApp
Systems Management
1 30 (11.63%) Ansible
2 24 (9.30%) Terraform
3 22 (8.53%) Kubernetes
4 16 (6.20%) vCenter Server
5 14 (5.43%) Single Sign-On
6 12 (4.65%) Active Directory Federation Services
6 12 (4.65%) SCCM
6 12 (4.65%) WMI
7 11 (4.26%) Microsoft Intune
7 11 (4.26%) WSUS
8 9 (3.49%) SCOM
9 7 (2.71%) Jamf Pro
9 7 (2.71%) Packer
10 5 (1.94%) Grafana
10 5 (1.94%) Prometheus
11 4 (1.55%) Podman
11 4 (1.55%) QRadar
12 3 (1.16%) Check_MK
12 3 (1.16%) FortiGate
12 3 (1.16%) Proxmox
Vendors
1 89 (34.50%) Microsoft
2 63 (24.42%) VMware
3 40 (15.50%) Cisco
4 38 (14.73%) Juniper
5 25 (9.69%) Splunk
6 15 (5.81%) Veeam
7 13 (5.04%) SolarWinds
8 8 (3.10%) Dell
8 8 (3.10%) Okta
9 6 (2.33%) Atlassian
9 6 (2.33%) Fortinet
9 6 (2.33%) Google
9 6 (2.33%) IBM
9 6 (2.33%) Thales
10 5 (1.94%) Palo Alto
10 5 (1.94%) Red Hat
10 5 (1.94%) ServiceNow
11 4 (1.55%) Citrix
11 4 (1.55%) CyberArk
11 4 (1.55%) Zscaler