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 18 September 2025, comparing them to the same period in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 307 262 280
Rank change year-on-year -45 +18 +115
Contract jobs citing PKI 214 292 358
As % of all contract jobs advertised in England 0.77% 0.89% 0.85%
As % of the Miscellaneous category 2.15% 2.88% 2.61%
Number of daily rates quoted 172 196 224
10th Percentile £350 £398 £413
25th Percentile £463 £460 £500
Median daily rate (50th Percentile) £550 £542 £587
Median % change year-on-year +1.43% -7.55% -4.24%
75th Percentile £625 £608 £675
90th Percentile £693 £675 £750
UK median daily rate £550 £548 £575
% change year-on-year +0.46% -4.78% -4.17%
Number of hourly rates quoted 0 4 4
10th Percentile - - £44.94
25th Percentile - - £51.41
Median hourly rate - £23.80 £55.00
Median % change year-on-year - -56.73% -23.08%
75th Percentile - £27.91 £62.00
90th Percentile - £35.32 £74.60
UK median hourly rate - £23.80 £55.00
% change year-on-year - -56.73% -14.73%

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 9,971 10,152 13,696
As % of all contract IT jobs advertised in England 35.88% 30.82% 32.67%
Number of daily rates quoted 6,272 6,271 9,491
10th Percentile £300 £300 £300
25th Percentile £408 £425 £431
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -2.22%
75th Percentile £650 £675 £688
90th Percentile £775 £825 £792
UK median daily rate £515 £540 £550
% change year-on-year -4.63% -1.82% -
Number of hourly rates quoted 500 414 412
10th Percentile £15.50 £14.61 £17.00
25th Percentile £18.87 £23.80 £21.25
Median hourly rate £33.05 £57.35 £45.88
Median % change year-on-year -42.37% +25.00% +76.46%
75th Percentile £58.75 £70.00 £67.75
90th Percentile £75.00 £75.16 £78.00
UK median hourly rate £30.00 £50.00 £45.00
% change year-on-year -40.00% +11.11% +69.81%

PKI
Job Vacancy Trend in England

Job postings citing PKI as a proportion of all IT jobs advertised in England.

Job vacancy trend for PKI 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 18 September 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
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 18 September 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 +38 71 £585 +8.14% 16
South West -15 49 £550 - 8
South East -42 35 £575 +12.48% 19
Midlands -12 33 £400 +18.52% 1
West Midlands -7 32 £400 +18.52% 1
North of England -4 14 £492 -18.00% 10
North West -6 13 £492 -18.00% 4
East of England +7 3 £525 - 5
Yorkshire - 1 £600 - 3
East Midlands - 1 - -
PKI
UK

PKI
Co-occurring Skills and Capabilities in England 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:

Application Platforms
1 33 (15.42%) Microsoft Exchange
2 19 (8.88%) Confluence
3 12 (5.61%) Apache
4 10 (4.67%) IIS
5 9 (4.21%) SharePoint
6 7 (3.27%) Skype for Business
7 4 (1.87%) JBoss
8 2 (0.93%) Alfresco
8 2 (0.93%) Camunda
8 2 (0.93%) SharePoint Server
9 1 (0.47%) CMS
9 1 (0.47%) Tomcat
Applications
1 19 (8.88%) Microsoft Office
2 3 (1.40%) Chatbot
3 2 (0.93%) Microsoft Excel
Cloud Services
1 53 (24.77%) AWS
2 44 (20.56%) Azure
3 23 (10.75%) Entra ID
4 15 (7.01%) GCP
5 11 (5.14%) Microsoft 365
6 10 (4.67%) OpenShift
7 9 (4.21%) IaaS
7 9 (4.21%) PaaS
8 8 (3.74%) AWS KMS
8 8 (3.74%) Azure DevOps
8 8 (3.74%) Virtual Private Cloud
9 7 (3.27%) GitHub
10 6 (2.80%) Amazon ECS
11 5 (2.34%) Amazon EC2
11 5 (2.34%) AWS CloudFormation
11 5 (2.34%) AWS Fargate
11 5 (2.34%) Azure Monitor
12 4 (1.87%) Serverless
13 3 (1.40%) AWS CloudTrail
13 3 (1.40%) Azure Sentinel
Communications & Networking
1 57 (26.64%) DNS
2 48 (22.43%) VPN
3 40 (18.69%) Firewall
4 35 (16.36%) BGP
5 34 (15.89%) IPsec
6 30 (14.02%) DHCP
7 26 (12.15%) MPLS
8 25 (11.68%) SSL
9 22 (10.28%) Network Security
10 21 (9.81%) WAN
11 15 (7.01%) HTTPS
12 14 (6.54%) SMTP
13 13 (6.07%) Unified Communications
14 12 (5.61%) Skype
15 9 (4.21%) Wireless
16 7 (3.27%) OSPF
17 6 (2.80%) EIGRP
17 6 (2.80%) Junos
17 6 (2.80%) TCP/IP
17 6 (2.80%) VSAN
Database & Business Intelligence
1 15 (7.01%) Amazon RDS
2 13 (6.07%) SQL Server
3 10 (4.67%) MongoDB
4 9 (4.21%) Big Data
4 9 (4.21%) Elasticsearch
5 5 (2.34%) PostgreSQL
5 5 (2.34%) Relational Database
6 2 (0.93%) Hadoop
6 2 (0.93%) MySQL
6 2 (0.93%) NoSQL
7 1 (0.47%) Azure SQL Database
7 1 (0.47%) Power BI
Development Applications
1 19 (8.88%) JIRA
2 17 (7.94%) GitLab
3 6 (2.80%) Jenkins
4 4 (1.87%) Git
4 4 (1.87%) MSI
4 4 (1.87%) Robot Framework
4 4 (1.87%) Sonatype Nexus
5 3 (1.40%) Terragrunt
6 2 (0.93%) Artifactory
6 2 (0.93%) JUnit
6 2 (0.93%) SpecFlow
7 1 (0.47%) Bitbucket
7 1 (0.47%) CircleCI
7 1 (0.47%) Fiddler
7 1 (0.47%) Jaeger
7 1 (0.47%) Postman
General
1 49 (22.90%) Social Skills
2 46 (21.50%) Public Sector
3 20 (9.35%) Analytical Skills
4 19 (8.88%) Military
5 15 (7.01%) Finance
6 5 (2.34%) Telecoms
7 4 (1.87%) Inclusion and Diversity
8 3 (1.40%) Documentation Skills
9 1 (0.47%) Manufacturing
Job Titles
1 31 (14.49%) Support Engineer
2 27 (12.62%) 3rd Line Engineer
3 25 (11.68%) Network Engineer
4 24 (11.21%) Architect
4 24 (11.21%) Infrastructure Engineer
5 21 (9.81%) 3rd Line Support
5 21 (9.81%) 3rd Line Support Engineer
6 16 (7.48%) Senior
7 15 (7.01%) Security Architect
8 13 (6.07%) Administrator
8 13 (6.07%) Platform Manager
8 13 (6.07%) Systems Administrator
8 13 (6.07%) Systems Manager
8 13 (6.07%) Wintel Administrator
8 13 (6.07%) Wintel Systems Administrator
9 11 (5.14%) DevOps Engineer
10 10 (4.67%) Lead
11 9 (4.21%) 2nd Line Engineer
11 9 (4.21%) Consultant
11 9 (4.21%) ForgeRock Engineer
Libraries, Frameworks & Software Standards
1 14 (6.54%) OAuth
1 14 (6.54%) OpenID
2 13 (6.07%) OAuth2
3 11 (5.14%) Kafka
4 9 (4.21%) JDBC
4 9 (4.21%) SOAP
5 7 (3.27%) Keycloak
5 7 (3.27%) NETCONF
5 7 (3.27%) RESTCONF
6 5 (2.34%) .NET
6 5 (2.34%) cloud-init
6 5 (2.34%) Web Services
7 4 (1.87%) AngularJS
7 4 (1.87%) SAML
7 4 (1.87%) YAML
8 3 (1.40%) ModSecurity
8 3 (1.40%) REST
9 2 (0.93%) AWS CDK
9 2 (0.93%) Gherkin
9 2 (0.93%) Playwright
Miscellaneous
1 23 (10.75%) Data Centre
2 11 (5.14%) Algorithms
3 10 (4.67%) Clustering
3 10 (4.67%) Taxonomies
4 7 (3.27%) Management Information System
4 7 (3.27%) Self-Motivation
5 5 (2.34%) Cyber Defence
6 4 (1.87%) Onboarding
6 4 (1.87%) Private Cloud
7 3 (1.40%) Cloud Native
7 3 (1.40%) Cyber Threat
7 3 (1.40%) Legacy Applications
7 3 (1.40%) Replication
8 2 (0.93%) CSOC
8 2 (0.93%) Fat Client
8 2 (0.93%) Security Operations Centre
8 2 (0.93%) Smart Meter
8 2 (0.93%) Thin Client
9 1 (0.47%) Enterprise Software
9 1 (0.47%) Virtual Team
Operating Systems
1 79 (36.92%) Windows
2 47 (21.96%) Windows Server
3 44 (20.56%) Linux
4 13 (6.07%) Windows 10
5 10 (4.67%) Red Hat Enterprise Linux
6 9 (4.21%) CentOS
6 9 (4.21%) Windows Server 2019
7 8 (3.74%) Windows Server 2016
8 6 (2.80%) Unix
8 6 (2.80%) Windows Server 2012
9 5 (2.34%) Windows Server 2003
10 4 (1.87%) Windows Server 2008
11 3 (1.40%) Solaris
12 2 (0.93%) Oracle Linux
12 2 (0.93%) Windows 7
13 1 (0.47%) Apple iOS
13 1 (0.47%) Mac OS
13 1 (0.47%) SUSE
13 1 (0.47%) Ubuntu
Processes & Methodologies
1 52 (24.30%) Agile
2 43 (20.09%) DevOps
3 31 (14.49%) Problem-Solving
4 26 (12.15%) Infrastructure Engineering
5 23 (10.75%) Cryptography
5 23 (10.75%) ITIL
5 23 (10.75%) Service Management
6 21 (9.81%) CI/CD
6 21 (9.81%) Identity Access Management
7 19 (8.88%) Change Management
7 19 (8.88%) Cybersecurity
7 19 (8.88%) Key Management
8 18 (8.41%) DevSecOps
8 18 (8.41%) Migration
9 17 (7.94%) Cloud Security
9 17 (7.94%) Information Security
10 16 (7.48%) Kalman Filter
10 16 (7.48%) Load Balancing
11 15 (7.01%) Mentoring
11 15 (7.01%) Security Patching
Programming Languages
1 47 (21.96%) PowerShell
2 39 (18.22%) Python
3 18 (8.41%) SQL
4 17 (7.94%) Java
4 17 (7.94%) JavaScript
5 15 (7.01%) Bash
6 6 (2.80%) C++
6 6 (2.80%) Perl
7 5 (2.34%) C#
7 5 (2.34%) Go
8 4 (1.87%) PHP
8 4 (1.87%) Shell Script
9 3 (1.40%) VB
10 2 (0.93%) Kusto Query Language
11 1 (0.47%) Bicep
11 1 (0.47%) C
11 1 (0.47%) VBScript
Qualifications
1 137 (64.02%) Security Cleared
2 71 (33.18%) SC Cleared
3 64 (29.91%) DV Cleared
4 38 (17.76%) Degree
5 26 (12.15%) Cisco Certification
6 18 (8.41%) CCNP
7 15 (7.01%) Microsoft Certification
8 10 (4.67%) CISSP
9 6 (2.80%) AWS Certification
9 6 (2.80%) CCNA
9 6 (2.80%) IISP
9 6 (2.80%) ISACA
9 6 (2.80%) JNCIA
9 6 (2.80%) JNCIS
9 6 (2.80%) MCSE
10 5 (2.34%) CCIE
10 5 (2.34%) CISM
10 5 (2.34%) ITIL Certification
10 5 (2.34%) Master's Degree
11 4 (1.87%) Azure Certification
Quality Assurance & Compliance
1 17 (7.94%) NIST
2 15 (7.01%) NCSC
3 11 (5.14%) ISO/IEC 27001
4 8 (3.74%) PCI DSS
5 7 (3.27%) FIPS 140-2
6 6 (2.80%) GDPR
7 5 (2.34%) SOC 2
8 2 (0.93%) COBIT
8 2 (0.93%) Government Security Classifications
8 2 (0.93%) HMG Security Policy Framework
8 2 (0.93%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 2 (0.93%) NIST 800
8 2 (0.93%) QA
8 2 (0.93%) SOC 1
9 1 (0.47%) Accessibility
9 1 (0.47%) JSP 440
9 1 (0.47%) PMO
9 1 (0.47%) PSD2
9 1 (0.47%) RMADS
9 1 (0.47%) SLA
System Software
1 65 (30.37%) Active Directory
2 46 (21.50%) VMware Infrastructure
3 26 (12.15%) VMware ESXi
4 18 (8.41%) Hyper-V
5 16 (7.48%) Docker
6 10 (4.67%) BitLocker
6 10 (4.67%) Microsoft App-V
6 10 (4.67%) Terminal Services
7 8 (3.74%) Virtual Machines
8 7 (3.27%) Firmware
9 6 (2.80%) Virtual Servers
10 5 (2.34%) Microsoft Virtual Server
11 4 (1.87%) VMware NSX
11 4 (1.87%) vSphere
12 1 (0.47%) Virtual Desktop
Systems Management
1 38 (17.76%) Ansible
2 27 (12.62%) Kubernetes
3 22 (10.28%) Terraform
4 18 (8.41%) Single Sign-On
5 17 (7.94%) vCenter Server
6 10 (4.67%) Puppet
6 10 (4.67%) vMotion
7 9 (4.21%) Nagios
7 9 (4.21%) SCCM
8 8 (3.74%) Active Directory Federation Services
8 8 (3.74%) Microsoft Intune
9 7 (3.27%) WSUS
10 6 (2.80%) OPNET
10 6 (2.80%) WMI
11 5 (2.34%) Grafana
11 5 (2.34%) Jamf Pro
11 5 (2.34%) Packer
11 5 (2.34%) Progress Chef
11 5 (2.34%) Prometheus
11 5 (2.34%) SCOM
Vendors
1 79 (36.92%) Microsoft
2 58 (27.10%) VMware
3 35 (16.36%) Cisco
4 29 (13.55%) Juniper
5 18 (8.41%) Splunk
6 13 (6.07%) ForgeRock
7 12 (5.61%) Google
8 11 (5.14%) Atlassian
8 11 (5.14%) Citrix
9 10 (4.67%) Fortinet
9 10 (4.67%) Veeam
10 9 (4.21%) HP
10 9 (4.21%) Symantec
11 7 (3.27%) Oracle
11 7 (3.27%) Ping Identity
11 7 (3.27%) SolarWinds
12 6 (2.80%) IBM
12 6 (2.80%) Okta
12 6 (2.80%) Thales
13 5 (2.34%) Ericsson