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

6 months to
5 Nov 2025
Same period 2024 Same period 2023
Rank 313 313 263
Rank change year-on-year 0 -50 +122
Contract jobs citing PKI 227 220 376
As % of all contract jobs in England 0.77% 0.71% 0.95%
As % of the Miscellaneous category 2.12% 2.27% 2.93%
Number of daily rates quoted 184 137 236
10th Percentile £355 £425 £403
25th Percentile £455 £475 £500
Median daily rate (50th Percentile) £550 £550 £588
Median % change year-on-year - -6.38% -6.00%
75th Percentile £654 £625 £675
90th Percentile £838 £700 £745
UK median daily rate £550 £550 £575
% change year-on-year - -4.35% -4.17%
Number of hourly rates quoted 0 1 4
10th Percentile - - £44.94
25th Percentile - - £51.41
Median hourly rate - £23.80 £55.00
Median % change year-on-year - -56.73% -12.70%
75th Percentile - - £55.35
90th Percentile - - £55.98
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 10,715 9,708 12,812
As % of all contract IT jobs advertised in England 36.42% 31.23% 32.48%
Number of daily rates quoted 6,693 5,813 8,743
10th Percentile £289 £294 £285
25th Percentile £408 £413 £425
Median daily rate (50th Percentile) £525 £540 £550
Median % change year-on-year -2.78% -1.82% -2.22%
75th Percentile £638 £675 £675
90th Percentile £750 £800 £775
UK median daily rate £513 £525 £550
% change year-on-year -2.38% -4.55% -
Number of hourly rates quoted 585 294 461
10th Percentile £14.29 £16.76 £17.13
25th Percentile £18.25 £23.80 £21.31
Median hourly rate £28.00 £47.50 £45.00
Median % change year-on-year -41.05% +5.56% +66.79%
75th Percentile £51.00 £70.00 £65.00
90th Percentile £73.45 £75.16 £78.00
UK median hourly rate £27.00 £40.00 £44.50
% change year-on-year -32.50% -10.11% +64.94%

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 5 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
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 5 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 +52 83 £625 +8.70% 20
South West -22 51 £550 +2.33% 11
Midlands -1 36 £400 -27.27% 5
West Midlands +1 35 £400 -27.27% 4
South East -36 32 £600 - 35
North of England -38 11 £500 +5.26% 9
North West -20 10 £444 -6.58% 9
East of England -13 2 - - 3
Yorkshire - 1 £600 -
East Midlands - 1 - - 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 29 (12.78%) Microsoft Exchange
2 17 (7.49%) Confluence
3 13 (5.73%) SharePoint
4 12 (5.29%) Apache
5 10 (4.41%) IIS
6 6 (2.64%) Skype for Business
7 4 (1.76%) JBoss
7 4 (1.76%) SharePoint Server
8 2 (0.88%) Alfresco
8 2 (0.88%) Camunda
9 1 (0.44%) Tomcat
Applications
1 22 (9.69%) Microsoft Office
2 3 (1.32%) Chatbot
3 2 (0.88%) Microsoft Excel
Cloud Services
1 38 (16.74%) Azure
2 35 (15.42%) AWS
3 21 (9.25%) Entra ID
4 18 (7.93%) IaaS
5 13 (5.73%) GitHub
5 13 (5.73%) Microsoft 365
6 8 (3.52%) Virtual Private Cloud
7 7 (3.08%) Amazon ECS
7 7 (3.08%) AWS CloudFormation
7 7 (3.08%) AWS Fargate
8 6 (2.64%) Azure DevOps
9 5 (2.20%) GCP
9 5 (2.20%) Serverless
10 4 (1.76%) Amazon S3
10 4 (1.76%) SaaS
11 3 (1.32%) Amazon EC2
11 3 (1.32%) Azure Sentinel
11 3 (1.32%) Nutanix
12 2 (0.88%) AWS KMS
12 2 (0.88%) Azure Key Vault
Communications & Networking
1 51 (22.47%) DNS
2 40 (17.62%) BGP
3 39 (17.18%) IPsec
4 37 (16.30%) VPN
5 35 (15.42%) Firewall
6 30 (13.22%) MPLS
7 26 (11.45%) WAN
8 20 (8.81%) Network Security
8 20 (8.81%) SSL
9 15 (6.61%) DHCP
9 15 (6.61%) Skype
10 12 (5.29%) Unified Communications
11 9 (3.96%) HTTPS
12 8 (3.52%) OSPF
13 6 (2.64%) EIGRP
13 6 (2.64%) Junos
13 6 (2.64%) S/MIME
13 6 (2.64%) VSAN
14 5 (2.20%) Kerberos
14 5 (2.20%) SMTP
Database & Business Intelligence
1 16 (7.05%) SQL Server
2 10 (4.41%) MongoDB
3 5 (2.20%) Amazon RDS
3 5 (2.20%) Relational Database
4 3 (1.32%) PostgreSQL
5 2 (0.88%) MySQL
6 1 (0.44%) Power BI
6 1 (0.44%) Redis
Development Applications
1 17 (7.49%) JIRA
2 13 (5.73%) GitLab
3 8 (3.52%) Jenkins
4 5 (2.20%) Terragrunt
5 4 (1.76%) Git
5 4 (1.76%) MSI
5 4 (1.76%) Robot Framework
5 4 (1.76%) Sonatype Nexus
6 2 (0.88%) Artifactory
6 2 (0.88%) JUnit
6 2 (0.88%) SpecFlow
7 1 (0.44%) CircleCI
7 1 (0.44%) Fiddler
7 1 (0.44%) Jaeger
7 1 (0.44%) Postman
General
1 50 (22.03%) Social Skills
2 42 (18.50%) Analytical Skills
3 35 (15.42%) Public Sector
4 19 (8.37%) Military
5 16 (7.05%) Finance
6 4 (1.76%) Documentation Skills
6 4 (1.76%) Inclusion and Diversity
6 4 (1.76%) Presentation Skills
7 1 (0.44%) Banking
7 1 (0.44%) Manufacturing
Job Titles
1 52 (22.91%) Architect
2 23 (10.13%) Senior
3 22 (9.69%) 3rd Line Engineer
3 22 (9.69%) Support Engineer
4 20 (8.81%) Network Engineer
5 17 (7.49%) 3rd Line Support
6 16 (7.05%) 3rd Line Support Engineer
6 16 (7.05%) Infrastructure Engineer
6 16 (7.05%) Security Architect
7 14 (6.17%) Administrator
7 14 (6.17%) Platform Manager
7 14 (6.17%) Systems Administrator
7 14 (6.17%) Systems Manager
7 14 (6.17%) Wintel Administrator
7 14 (6.17%) Wintel Systems Administrator
8 13 (5.73%) Lead
8 13 (5.73%) Wintel Engineer
9 10 (4.41%) WAN Engineer
10 9 (3.96%) 2nd Line Engineer
10 9 (3.96%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 24 (10.57%) REST
2 19 (8.37%) JSON
3 13 (5.73%) Kafka
4 11 (4.85%) OpenID
5 10 (4.41%) OAuth
5 10 (4.41%) OAuth2
6 9 (3.96%) Keycloak
7 8 (3.52%) SAML
8 7 (3.08%) cloud-init
8 7 (3.08%) NETCONF
8 7 (3.08%) RESTCONF
9 5 (2.20%) LDAP
10 4 (1.76%) .NET
10 4 (1.76%) AngularJS
10 4 (1.76%) AWS CDK
10 4 (1.76%) YAML
11 3 (1.32%) HTML
11 3 (1.32%) JDBC
11 3 (1.32%) SOAP
12 2 (0.88%) Web Services
Miscellaneous
1 22 (9.69%) Self-Motivation
2 11 (4.85%) Data Centre
3 9 (3.96%) Management Information System
4 8 (3.52%) Algorithms
5 7 (3.08%) Fat Client
5 7 (3.08%) Thin Client
6 6 (2.64%) Replication
6 6 (2.64%) Security Operations Centre
7 5 (2.20%) Legacy Applications
7 5 (2.20%) Private Cloud
8 4 (1.76%) Cyber Defence
8 4 (1.76%) Onboarding
8 4 (1.76%) Security Posture
9 3 (1.32%) Cloud Native
9 3 (1.32%) Taxonomies
10 2 (0.88%) CSOC
10 2 (0.88%) Product Ownership
10 2 (0.88%) Smart Meter
10 2 (0.88%) Tandem
11 1 (0.44%) Legacy Systems
Operating Systems
1 73 (32.16%) Windows
2 43 (18.94%) Linux
3 34 (14.98%) Windows Server
4 13 (5.73%) CentOS
4 13 (5.73%) Windows 10
5 12 (5.29%) Red Hat Enterprise Linux
6 9 (3.96%) Unix
6 9 (3.96%) Windows Server 2019
7 6 (2.64%) Windows 7
7 6 (2.64%) Windows Server 2016
8 5 (2.20%) Windows Server 2008
9 4 (1.76%) Windows Server 2012
10 3 (1.32%) VMS
11 2 (0.88%) Ubuntu
12 1 (0.44%) Android
12 1 (0.44%) Apple iOS
12 1 (0.44%) Mac OS
12 1 (0.44%) Solaris
12 1 (0.44%) SUSE
Processes & Methodologies
1 69 (30.40%) Agile
2 36 (15.86%) DevOps
3 35 (15.42%) Key Management
4 28 (12.33%) Service Management
5 25 (11.01%) Change Management
5 25 (11.01%) ITIL
6 23 (10.13%) CI/CD
6 23 (10.13%) Problem-Solving
7 22 (9.69%) Cryptography
8 20 (8.81%) Cybersecurity
8 20 (8.81%) Information Security
9 19 (8.37%) Configuration Management
9 19 (8.37%) Containerisation
9 19 (8.37%) Identity Access Management
9 19 (8.37%) Load Balancing
10 18 (7.93%) Incident Response
10 18 (7.93%) Infrastructure Engineering
11 17 (7.49%) Infrastructure as Code
11 17 (7.49%) SIEM
12 16 (7.05%) Security Patching
Programming Languages
1 58 (25.55%) PowerShell
2 46 (20.26%) Python
3 17 (7.49%) Bash
4 15 (6.61%) SQL
5 8 (3.52%) Java
6 7 (3.08%) Go
7 6 (2.64%) C++
7 6 (2.64%) JavaScript
7 6 (2.64%) Perl
7 6 (2.64%) Shell Script
8 4 (1.76%) PHP
9 3 (1.32%) Kusto Query Language
10 2 (0.88%) C#
11 1 (0.44%) C
Qualifications
1 154 (67.84%) Security Cleared
2 92 (40.53%) SC Cleared
3 58 (25.55%) DV Cleared
4 29 (12.78%) Degree
5 24 (10.57%) Cisco Certification
6 19 (8.37%) CCNP
7 18 (7.93%) Microsoft Certification
8 11 (4.85%) CISSP
9 8 (3.52%) MCSE
10 7 (3.08%) ITIL Certification
10 7 (3.08%) Master's Degree
11 6 (2.64%) CCNA
11 6 (2.64%) IISP
11 6 (2.64%) ISACA
11 6 (2.64%) JNCIA
11 6 (2.64%) JNCIS
12 4 (1.76%) (ISC)2 CCSP
12 4 (1.76%) Computer Science Degree
13 3 (1.32%) CEH
13 3 (1.32%) GIAC
Quality Assurance & Compliance
1 17 (7.49%) NIST
2 15 (6.61%) NCSC
3 10 (4.41%) ISO/IEC 27001
3 10 (4.41%) PCI DSS
4 7 (3.08%) GDPR
5 5 (2.20%) FIPS 140-2
6 3 (1.32%) SLA
6 3 (1.32%) SOC 2
7 2 (0.88%) Accessibility
7 2 (0.88%) COBIT
7 2 (0.88%) HIPAA
7 2 (0.88%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 2 (0.88%) QA
7 2 (0.88%) SOC 1
8 1 (0.44%) HMG Security Policy Framework
8 1 (0.44%) JSP 440
8 1 (0.44%) NIST 800
8 1 (0.44%) PMO
8 1 (0.44%) PSD2
8 1 (0.44%) RMADS
System Software
1 56 (24.67%) Active Directory
2 38 (16.74%) VMware Infrastructure
3 14 (6.17%) VMware ESXi
4 13 (5.73%) Docker
5 7 (3.08%) Firmware
5 7 (3.08%) VMware NSX
5 7 (3.08%) vSphere
6 6 (2.64%) Virtual Machines
6 6 (2.64%) Virtual Servers
7 5 (2.20%) Microsoft Virtual Server
8 4 (1.76%) Hyper-V
9 2 (0.88%) Active Directory Lightweight Directory Services
10 1 (0.44%) NFS
Systems Management
1 29 (12.78%) Ansible
2 20 (8.81%) Terraform
3 19 (8.37%) Kubernetes
4 14 (6.17%) Single Sign-On
5 12 (5.29%) Active Directory Federation Services
6 11 (4.85%) vCenter Server
7 10 (4.41%) Microsoft Intune
7 10 (4.41%) SCCM
7 10 (4.41%) WMI
7 10 (4.41%) WSUS
8 7 (3.08%) Jamf Pro
8 7 (3.08%) Packer
8 7 (3.08%) SCOM
9 6 (2.64%) Grafana
9 6 (2.64%) Prometheus
10 4 (1.76%) Podman
10 4 (1.76%) QRadar
11 3 (1.32%) Check_MK
11 3 (1.32%) FortiGate
11 3 (1.32%) Proxmox
Vendors
1 76 (33.48%) Microsoft
2 54 (23.79%) VMware
3 39 (17.18%) Cisco
4 34 (14.98%) Juniper
5 26 (11.45%) Splunk
6 13 (5.73%) Veeam
7 10 (4.41%) SolarWinds
8 9 (3.96%) Atlassian
9 8 (3.52%) Okta
10 7 (3.08%) Dell
10 7 (3.08%) IBM
11 6 (2.64%) Fortinet
11 6 (2.64%) Google
12 5 (2.20%) Oracle
13 4 (1.76%) Palo Alto
13 4 (1.76%) Red Hat
13 4 (1.76%) Thales
13 4 (1.76%) Zscaler
14 3 (1.32%) Citrix
14 3 (1.32%) ForgeRock