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 21 December 2025, comparing them to the same period in the previous two years.

6 months to
21 Dec 2025
Same period 2024 Same period 2023
Rank 305 319 213
Rank change year-on-year +14 -106 +131
Contract jobs citing PKI 259 201 422
As % of all contract jobs in England 0.83% 0.70% 1.14%
As % of the Miscellaneous category 2.32% 2.15% 3.58%
Number of daily rates quoted 199 140 252
10th Percentile £400 £413 £400
25th Percentile £463 £475 £500
Median daily rate (50th Percentile) £550 £560 £575
Median % change year-on-year -1.79% -2.61% -8.00%
75th Percentile £688 £649 £675
90th Percentile £838 £738 £798
UK median daily rate £550 £560 £570
% change year-on-year -1.79% -1.75% -5.00%
Number of hourly rates quoted 5 0 5
10th Percentile £74.80 - £46.38
25th Percentile £82.00 - -
Median hourly rate £90.00 - £55.00
75th Percentile £100.00 - £56.40
90th Percentile £103.30 - £63.06
UK median hourly rate £90.00 - £55.00

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 11,161 9,329 11,799
As % of all contract IT jobs advertised in England 35.57% 32.39% 31.86%
Number of daily rates quoted 7,037 5,650 7,989
10th Percentile £280 £281 £263
25th Percentile £406 £413 £418
Median daily rate (50th Percentile) £513 £550 £550
Median % change year-on-year -6.82% - -4.35%
75th Percentile £638 £675 £675
90th Percentile £739 £788 £775
UK median daily rate £503 £535 £550
% change year-on-year -5.93% -2.73% -
Number of hourly rates quoted 565 276 456
10th Percentile £14.25 £17.08 £16.75
25th Percentile £18.25 £23.44 £20.84
Median hourly rate £28.13 £37.00 £43.92
Median % change year-on-year -23.99% -15.76% +25.49%
75th Percentile £61.50 £66.50 £65.00
90th Percentile £74.26 £80.75 £77.50
UK median hourly rate £27.00 £32.75 £42.50
% change year-on-year -17.56% -22.94% +21.43%

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 21 December 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 21 December 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 21 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
London +38 90 £625 +8.23% 16
South East -2 59 £574 -1.50% 29
South West -40 41 £550 - 11
West Midlands +3 39 £400 -17.95% 2
Midlands -3 39 £400 -17.95% 3
North of England -37 17 £489 -32.62% 11
North West -24 9 £500 +2.56% 6
Yorkshire -42 8 £487 -32.83% 6
East of England -19 3 £550 - 11
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 35 (13.51%) Microsoft Exchange
2 14 (5.41%) SharePoint
3 9 (3.47%) Confluence
4 7 (2.70%) IIS
5 6 (2.32%) Skype for Business
6 4 (1.54%) SharePoint Server
7 2 (0.77%) Exchange Server 2010
8 1 (0.39%) Apache
8 1 (0.39%) JBoss
8 1 (0.39%) nginx
Applications
1 16 (6.18%) Microsoft Office
2 2 (0.77%) Microsoft Excel
Cloud Services
1 43 (16.60%) AWS
1 43 (16.60%) Azure
2 27 (10.42%) IaaS
3 21 (8.11%) Microsoft 365
4 18 (6.95%) Entra ID
5 13 (5.02%) GitHub
6 10 (3.86%) AWS CloudFormation
7 9 (3.47%) OpenShift
7 9 (3.47%) Virtual Private Cloud
8 6 (2.32%) Amazon ECS
8 6 (2.32%) AWS Fargate
8 6 (2.32%) SaaS
9 5 (1.93%) GCP
10 4 (1.54%) Azure DevOps
10 4 (1.54%) PaaS
10 4 (1.54%) Power Platform
11 3 (1.16%) AWS KMS
11 3 (1.16%) Power Automate
12 2 (0.77%) GitHub Actions
12 2 (0.77%) Nutanix
Communications & Networking
1 51 (19.69%) DNS
2 50 (19.31%) Firewall
3 37 (14.29%) BGP
4 34 (13.13%) VPN
5 33 (12.74%) IPsec
6 30 (11.58%) WAN
7 25 (9.65%) MPLS
7 25 (9.65%) SSL
8 23 (8.88%) DHCP
9 19 (7.34%) Network Security
10 16 (6.18%) Skype
11 10 (3.86%) Junos
11 10 (3.86%) OSPF
11 10 (3.86%) TCP/IP
12 8 (3.09%) HTTPS
13 7 (2.70%) S/MIME
14 6 (2.32%) Internet
14 6 (2.32%) LAN
14 6 (2.32%) VSAN
15 5 (1.93%) Unified Communications
Database & Business Intelligence
1 12 (4.63%) SQL Server
2 6 (2.32%) MongoDB
3 5 (1.93%) Amazon RDS
4 2 (0.77%) Elasticsearch
5 1 (0.39%) Amazon QuickSight
5 1 (0.39%) Redis
Development Applications
1 14 (5.41%) JIRA
2 12 (4.63%) GitLab
3 8 (3.09%) Jenkins
4 4 (1.54%) Terragrunt
5 2 (0.77%) Git
5 2 (0.77%) Robot Framework
5 2 (0.77%) Sonatype Nexus
6 1 (0.39%) Artifactory
6 1 (0.39%) CircleCI
6 1 (0.39%) Fiddler
6 1 (0.39%) JUnit
6 1 (0.39%) Postman
6 1 (0.39%) SpecFlow
General
1 50 (19.31%) Social Skills
2 49 (18.92%) Analytical Skills
3 31 (11.97%) Public Sector
4 16 (6.18%) Military
5 14 (5.41%) Finance
6 4 (1.54%) Presentation Skills
7 3 (1.16%) Documentation Skills
8 2 (0.77%) Banking
8 2 (0.77%) Inclusion and Diversity
9 1 (0.39%) Aerospace
9 1 (0.39%) Legal
9 1 (0.39%) Manufacturing
Job Titles
1 79 (30.50%) Architect
2 29 (11.20%) Senior
3 25 (9.65%) 3rd Line Engineer
4 24 (9.27%) Support Engineer
5 20 (7.72%) 3rd Line Support
6 19 (7.34%) 3rd Line Support Engineer
7 18 (6.95%) Network Engineer
8 17 (6.56%) Infrastructure Engineer
9 15 (5.79%) Security Architect
9 15 (5.79%) Wintel Engineer
10 13 (5.02%) Administrator
10 13 (5.02%) Platform Manager
10 13 (5.02%) Systems Administrator
10 13 (5.02%) Systems Manager
10 13 (5.02%) Wintel Administrator
10 13 (5.02%) Wintel Systems Administrator
11 11 (4.25%) WAN Engineer
12 10 (3.86%) 2nd Line Engineer
12 10 (3.86%) Lead
12 10 (3.86%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 30 (11.58%) REST
2 27 (10.42%) JSON
3 15 (5.79%) OpenID
4 11 (4.25%) SAML
5 10 (3.86%) OAuth
5 10 (3.86%) OAuth2
6 7 (2.70%) Kafka
7 6 (2.32%) cloud-init
7 6 (2.32%) Keycloak
8 4 (1.54%) AWS CDK
8 4 (1.54%) Elastic Stack
8 4 (1.54%) LDAP
9 3 (1.16%) .NET
9 3 (1.16%) JDBC
9 3 (1.16%) SOAP
10 2 (0.77%) CSS
10 2 (0.77%) HTML
10 2 (0.77%) Microsoft Graph
10 2 (0.77%) ModSecurity
11 1 (0.39%) JWT
Miscellaneous
1 30 (11.58%) Self-Motivation
2 11 (4.25%) Data Centre
2 11 (4.25%) Fat Client
2 11 (4.25%) Thin Client
3 10 (3.86%) Algorithms
4 7 (2.70%) Private Cloud
5 6 (2.32%) Management Information System
6 5 (1.93%) Legacy Applications
6 5 (1.93%) Onboarding
6 5 (1.93%) Public Cloud
6 5 (1.93%) Replication
7 4 (1.54%) Security Operations Centre
8 3 (1.16%) Cyber Defence
8 3 (1.16%) Security Posture
8 3 (1.16%) Taxonomies
9 2 (0.77%) Analytical Mindset
9 2 (0.77%) Clustering
9 2 (0.77%) Legacy Systems
9 2 (0.77%) Product Ownership
9 2 (0.77%) Tandem
Operating Systems
1 85 (32.82%) Windows
2 47 (18.15%) Linux
3 42 (16.22%) Windows Server
4 13 (5.02%) Windows 10
5 10 (3.86%) Windows 7
6 9 (3.47%) CentOS
7 8 (3.09%) Red Hat Enterprise Linux
7 8 (3.09%) Unix
7 8 (3.09%) Windows Server 2012
8 5 (1.93%) Windows Server 2008
8 5 (1.93%) Windows Server 2016
8 5 (1.93%) Windows Server 2019
9 3 (1.16%) VMS
10 2 (0.77%) 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
11 1 (0.39%) Windows Server 2003
Processes & Methodologies
1 79 (30.50%) Agile
2 56 (21.62%) Key Management
3 38 (14.67%) Change Management
4 35 (13.51%) ITIL
5 33 (12.74%) CI/CD
6 28 (10.81%) DevOps
7 27 (10.42%) Configuration Management
7 27 (10.42%) Cryptography
7 27 (10.42%) Problem-Solving
8 25 (9.65%) Service Management
9 24 (9.27%) Infrastructure Engineering
9 24 (9.27%) Migration
10 22 (8.49%) Containerisation
10 22 (8.49%) Cybersecurity
10 22 (8.49%) Incident Response
11 21 (8.11%) Identity Access Management
11 21 (8.11%) Load Balancing
12 20 (7.72%) Information Security
12 20 (7.72%) Platform Engineering
13 19 (7.34%) SIEM
Programming Languages
1 69 (26.64%) PowerShell
2 42 (16.22%) Python
3 21 (8.11%) Bash
4 19 (7.34%) SQL
5 6 (2.32%) Go
5 6 (2.32%) JavaScript
5 6 (2.32%) Perl
5 6 (2.32%) Shell Script
6 5 (1.93%) C++
6 5 (1.93%) Java
7 1 (0.39%) C
7 1 (0.39%) C#
7 1 (0.39%) Kusto Query Language
Qualifications
1 186 (71.81%) Security Cleared
2 101 (39.00%) SC Cleared
3 79 (30.50%) DV Cleared
4 30 (11.58%) Degree
5 22 (8.49%) Microsoft Certification
6 20 (7.72%) CISSP
7 18 (6.95%) Cisco Certification
8 14 (5.41%) CISM
9 13 (5.02%) CCNP
10 10 (3.86%) MCSE
11 8 (3.09%) Master's Degree
12 7 (2.70%) ITIL Certification
12 7 (2.70%) VMware Certified Professional (VCP)
13 6 (2.32%) AWS Certification
13 6 (2.32%) CCNA
13 6 (2.32%) Computer Science Degree
13 6 (2.32%) IISP
13 6 (2.32%) ISACA
14 5 (1.93%) JNCIA
14 5 (1.93%) JNCIS
Quality Assurance & Compliance
1 16 (6.18%) NCSC
2 15 (5.79%) NIST
3 13 (5.02%) PCI DSS
4 10 (3.86%) GDPR
4 10 (3.86%) ISO/IEC 27001
5 5 (1.93%) FIPS 140-2
6 2 (0.77%) Accessibility
6 2 (0.77%) COBIT
6 2 (0.77%) HIPAA
6 2 (0.77%) JSP 440
6 2 (0.77%) RMADS
6 2 (0.77%) SLA
6 2 (0.77%) SOC 1
7 1 (0.39%) HMG Security Policy Framework
7 1 (0.39%) NIST 800
7 1 (0.39%) PMO
7 1 (0.39%) PSD2
System Software
1 75 (28.96%) Active Directory
2 35 (13.51%) VMware Infrastructure
3 16 (6.18%) Docker
4 12 (4.63%) VMware NSX
5 11 (4.25%) Firmware
6 9 (3.47%) vSphere
7 8 (3.09%) VMware ESXi
8 7 (2.70%) Hyper-V
9 5 (1.93%) Microsoft Virtual Server
9 5 (1.93%) Virtual Machines
9 5 (1.93%) Virtual Servers
10 2 (0.77%) Active Directory Lightweight Directory Services
10 2 (0.77%) BitLocker
10 2 (0.77%) Sendmail
11 1 (0.39%) Microsoft App-V
11 1 (0.39%) NFS
11 1 (0.39%) Squid
11 1 (0.39%) XenApp
Systems Management
1 26 (10.04%) Kubernetes
2 25 (9.65%) Terraform
3 24 (9.27%) Ansible
4 18 (6.95%) vCenter Server
5 14 (5.41%) Single Sign-On
6 13 (5.02%) Active Directory Federation Services
7 12 (4.63%) SCCM
7 12 (4.63%) WSUS
8 11 (4.25%) Microsoft Intune
9 10 (3.86%) WMI
10 9 (3.47%) SCOM
11 7 (2.70%) Grafana
11 7 (2.70%) Prometheus
12 6 (2.32%) Jamf Pro
12 6 (2.32%) Packer
13 4 (1.54%) Podman
13 4 (1.54%) QRadar
14 3 (1.16%) Check_MK
14 3 (1.16%) FortiGate
14 3 (1.16%) Proxmox
Vendors
1 86 (33.20%) Microsoft
2 57 (22.01%) VMware
3 39 (15.06%) Juniper
4 38 (14.67%) Cisco
5 27 (10.42%) Splunk
6 15 (5.79%) SolarWinds
7 14 (5.41%) Veeam
8 8 (3.09%) Palo Alto
8 8 (3.09%) Thales
9 7 (2.70%) Dell
9 7 (2.70%) Fortinet
10 6 (2.32%) Broadcom
10 6 (2.32%) Citrix
10 6 (2.32%) Google
10 6 (2.32%) Okta
11 5 (1.93%) Red Hat
11 5 (1.93%) ServiceNow
11 5 (1.93%) Zscaler
12 4 (1.54%) CheckPoint
12 4 (1.54%) CyberArk