PKI Contract Job Trends

Public-Key Infrastructure (PKI)
UK

The table below looks at the prevalence of the term PKI in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that cited PKI over the 6 months leading up to 15 May 2026, comparing them to the same period in the previous two years.

6 months to
15 May 2026
Same period 2025 Same period 2024
Rank 377 337 206
Rank change year-on-year -40 -131 +111
Contract jobs citing PKI 263 183 488
As % of all contract jobs in the UK 0.55% 0.63% 1.14%
As % of the Miscellaneous category 1.72% 1.86% 3.76%
Number of daily rates quoted 171 140 342
10th Percentile £413 £419 £363
25th Percentile £450 £509 £451
Median daily rate (50th Percentile) £550 £570 £550
Median % change year-on-year -3.51% +3.64% -5.17%
75th Percentile £643 £618 £625
90th Percentile £725 £700 £688
UK excluding London median daily rate £550 £550 £550
% change year-on-year - - -3.08%
Number of hourly rates quoted 8 0 3
10th Percentile £61.41 - -
25th Percentile £70.50 - -
Median hourly rate £79.50 - £23.80
75th Percentile £96.25 - £32.03
90th Percentile £101.65 - £36.96
UK excluding London median hourly rate £79.50 - £38.50
% change year-on-year - - +156.67%

All Generic Skills
UK

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.

Contract vacancies with a requirement for generic IT skills 15,280 9,849 12,966
As % of all contract IT jobs advertised in the UK 32.04% 33.89% 30.39%
Number of daily rates quoted 9,488 6,289 8,351
10th Percentile £313 £300 £270
25th Percentile £413 £411 £413
Median daily rate (50th Percentile) £509 £525 £540
Median % change year-on-year -3.14% -2.78% -1.82%
75th Percentile £625 £650 £670
90th Percentile £738 £775 £800
UK excluding London median daily rate £482 £482 £500
% change year-on-year - -3.60% -
Number of hourly rates quoted 726 393 901
10th Percentile £16.01 £16.79 £12.25
25th Percentile £20.00 £20.75 £15.17
Median hourly rate £42.60 £32.05 £31.50
Median % change year-on-year +32.93% +1.75% +40.09%
75th Percentile £70.00 £63.75 £61.30
90th Percentile £87.50 £83.37 £70.00
UK excluding London median hourly rate £47.54 £30.93 £30.00
% change year-on-year +53.70% +3.10% +36.36%

PKI
Job Vacancy Trend

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

PKI job vacancy trend in the UK

PKI
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing PKI.

Contractor daily rate distribution trend for jobs in the UK citing PKI

PKI
Daily Rate Histogram

Daily rate distribution for jobs citing PKI over the 6 months to 15 May 2026.

Daily rate histogram for PKI in the UK

PKI
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing PKI.

Contractor hourly rate distribution trend for jobs in the UK citing PKI

PKI
Hourly Rate Histogram

Hourly rate distribution of jobs citing PKI over the 6 months to 15 May 2026.

Hourly rate histogram for PKI in the UK

PKI
Top 13 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PKI within the UK over the 6 months to 15 May 2026. 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
England -59 227 £550 -4.35% 59
UK excluding London -33 175 £550 - 51
South East +7 102 £600 +4.35% 27
London -55 58 £538 -8.12% 18
Work from Home -29 54 £550 +0.92% 23
North of England -42 30 £475 -3.51% 3
North West -22 18 £418 -15.04% 2
South West -53 16 £545 -5.22% 3
West Midlands -65 14 £450 +5.88% 3
Midlands -70 14 £450 +5.88% 6
Scotland +11 13 £451 -15.79% 4
Yorkshire -46 12 £482 -33.52% 1
East of England -32 4 £400 -23.81% 5

PKI
Co-Occurring Skills & Capabilities 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 11 (4.18%) Microsoft Exchange
2 7 (2.66%) Confluence
2 7 (2.66%) SharePoint
3 5 (1.90%) IIS
4 3 (1.14%) nginx
5 2 (0.76%) Apache
5 2 (0.76%) Tomcat
5 2 (0.76%) WebSphere
6 1 (0.38%) ArcGIS
6 1 (0.38%) Exchange Server 2010
Applications
1 3 (1.14%) Microsoft Office
Business Applications
1 9 (3.42%) Remedy ITSM
2 1 (0.38%) Cloudability
Cloud Services
1 71 (27.00%) Azure
2 67 (25.48%) AWS
3 31 (11.79%) Entra ID
4 25 (9.51%) Microsoft 365
5 15 (5.70%) GCP
6 14 (5.32%) Power Platform
7 10 (3.80%) OpenShift
8 8 (3.04%) AWS KMS
8 8 (3.04%) Azure Key Vault
9 7 (2.66%) IaaS
9 7 (2.66%) PaaS
9 7 (2.66%) SaaS
10 5 (1.90%) Amazon EKS
10 5 (1.90%) Azure DevOps
11 4 (1.52%) AWS CloudFormation
11 4 (1.52%) Power Automate
11 4 (1.52%) Virtual Private Cloud
12 3 (1.14%) GitHub
12 3 (1.14%) Route 53
13 2 (0.76%) OneDrive
Communications & Networking
1 69 (26.24%) DNS
2 63 (23.95%) Firewall
3 44 (16.73%) DHCP
4 39 (14.83%) BGP
5 33 (12.55%) WAN
6 31 (11.79%) VPN
7 29 (11.03%) LAN
7 29 (11.03%) OSPF
8 26 (9.89%) Cisco ISE
8 26 (9.89%) Ethernet VPN
8 26 (9.89%) Network Security
8 26 (9.89%) VXLAN
9 25 (9.51%) BIG-IP
9 25 (9.51%) Junos
10 21 (7.98%) SSL
11 11 (4.18%) TCP/IP
12 10 (3.80%) MPLS
13 8 (3.04%) Cisco IOS
13 8 (3.04%) SMTP
13 8 (3.04%) TACACS
Database & Business Intelligence
1 10 (3.80%) Elasticsearch
1 10 (3.80%) SQL Server
2 9 (3.42%) Power BI
3 2 (0.76%) Metadata
3 2 (0.76%) MongoDB
3 2 (0.76%) MySQL
4 1 (0.38%) Amazon QuickSight
4 1 (0.38%) Amazon RDS
4 1 (0.38%) PostgreSQL
4 1 (0.38%) RDBMS
4 1 (0.38%) Relational Database
Development Applications
1 13 (4.94%) JIRA
2 9 (3.42%) GitLab
3 7 (2.66%) Robot Framework
4 6 (2.28%) Sonatype Nexus
5 4 (1.52%) Jenkins
6 3 (1.14%) Git
6 3 (1.14%) Terragrunt
7 2 (0.76%) MSI
8 1 (0.38%) Burp Suite
8 1 (0.38%) Cucumber
8 1 (0.38%) Gatling
8 1 (0.38%) Gradle
8 1 (0.38%) JUnit
8 1 (0.38%) LoadRunner
8 1 (0.38%) REST Assured
8 1 (0.38%) SonarQube
General
1 29 (11.03%) Finance
1 29 (11.03%) Social Skills
2 24 (9.13%) Public Sector
3 10 (3.80%) Analytical Skills
4 6 (2.28%) Banking
4 6 (2.28%) Documentation Skills
5 4 (1.52%) Military
5 4 (1.52%) Retail
6 3 (1.14%) Legal
7 2 (0.76%) Financial Institution
7 2 (0.76%) Local Government
8 1 (0.38%) Aerospace
8 1 (0.38%) Back Office
8 1 (0.38%) Inclusion and Diversity
8 1 (0.38%) Influencing Skills
8 1 (0.38%) Law
8 1 (0.38%) Manufacturing
8 1 (0.38%) Wearables
Job Titles
1 47 (17.87%) Architect
2 43 (16.35%) Senior
3 38 (14.45%) Infrastructure Engineer
4 21 (7.98%) Network Engineer
5 18 (6.84%) 3rd Line Engineer
6 14 (5.32%) Firewall Specialist
6 14 (5.32%) Network Specialist
7 13 (4.94%) Senior Infrastructure Engineer
8 11 (4.18%) Security Engineer
8 11 (4.18%) Storage Engineer
8 11 (4.18%) Support Engineer
9 10 (3.80%) Senior Architect
9 10 (3.80%) Senior Network Engineer
10 9 (3.42%) 3rd Line Infrastructure Engineer
11 8 (3.04%) DevOps Engineer
11 8 (3.04%) Lead
12 7 (2.66%) Administrator
12 7 (2.66%) NetApp Engineer
13 6 (2.28%) Analyst
13 6 (2.28%) Technical Architect
Libraries, Frameworks & Software Standards
1 32 (12.17%) 802.1X
2 14 (5.32%) LDAP
2 14 (5.32%) OpenID
3 13 (4.94%) OAuth
3 13 (4.94%) REST
3 13 (4.94%) SAML
4 7 (2.66%) OAuth2
5 6 (2.28%) JSON
6 4 (1.52%) Elastic Stack
6 4 (1.52%) RabbitMQ
6 4 (1.52%) SailPoint
7 2 (0.76%) CSS
7 2 (0.76%) eBPF
7 2 (0.76%) HTML
7 2 (0.76%) Kafka
7 2 (0.76%) Loki
7 2 (0.76%) Microsoft Graph
7 2 (0.76%) SPIFFE
7 2 (0.76%) Web Services
8 1 (0.38%) EJB
Miscellaneous
1 41 (15.59%) Clustering
2 28 (10.65%) Data Centre
3 12 (4.56%) Enterprise Storage
4 11 (4.18%) Onboarding
5 10 (3.80%) Algorithms
5 10 (3.80%) Hybrid Cloud
6 9 (3.42%) Public Cloud
7 7 (2.66%) Cloud Native
8 6 (2.28%) Management Information System
8 6 (2.28%) Operational Technology
9 5 (1.90%) Linux Command Line
9 5 (1.90%) Smartcard
10 4 (1.52%) Enterprise Software
10 4 (1.52%) Fat Client
10 4 (1.52%) Private Cloud
10 4 (1.52%) Thin Client
11 3 (1.14%) Data Protection Act
11 3 (1.14%) Distributed Systems
11 3 (1.14%) Legacy Systems
11 3 (1.14%) Security Posture
Operating Systems
1 110 (41.83%) Windows
2 59 (22.43%) Linux
3 51 (19.39%) Windows Server
4 7 (2.66%) Ubuntu
4 7 (2.66%) Windows Server 2003
5 6 (2.28%) Red Hat Enterprise Linux
5 6 (2.28%) Windows Server 2019
6 4 (1.52%) Windows 7
6 4 (1.52%) Windows Server 2012
6 4 (1.52%) Windows Server 2016
7 3 (1.14%) Debian
7 3 (1.14%) Unix
8 2 (0.76%) CentOS
9 1 (0.38%) Android
9 1 (0.38%) Apple iOS
9 1 (0.38%) Data ONTAP
9 1 (0.38%) Mac OS
9 1 (0.38%) Solaris
9 1 (0.38%) VMS
Processes & Methodologies
1 67 (25.48%) Identity Access Management
2 45 (17.11%) Agile
3 43 (16.35%) Infrastructure Engineering
4 41 (15.59%) Cybersecurity
4 41 (15.59%) High Availability
5 39 (14.83%) ITIL
6 38 (14.45%) Problem-Solving
7 36 (13.69%) Observability
8 35 (13.31%) CI/CD
9 34 (12.93%) DevOps
9 34 (12.93%) Key Management
10 33 (12.55%) Load Balancing
11 29 (11.03%) Infrastructure as Code
12 28 (10.65%) Zero Trust
13 27 (10.27%) Service Management
14 26 (9.89%) ITSM
15 25 (9.51%) Change Management
16 22 (8.37%) Cryptography
16 22 (8.37%) Migration
16 22 (8.37%) Vulnerability Management
Programming Languages
1 57 (21.67%) PowerShell
2 44 (16.73%) Python
3 16 (6.08%) Bash
3 16 (6.08%) SQL
4 11 (4.18%) JavaScript
5 8 (3.04%) C#
6 6 (2.28%) Java
7 4 (1.52%) PHP
8 3 (1.14%) C++
8 3 (1.14%) Go
9 1 (0.38%) Perl
9 1 (0.38%) Shell Script
Qualifications
1 158 (60.08%) Security Cleared
2 94 (35.74%) DV Cleared
3 59 (22.43%) SC Cleared
4 30 (11.41%) Cisco Certification
5 20 (7.60%) CISSP
6 18 (6.84%) CISM
7 16 (6.08%) Degree
8 11 (4.18%) GIAC
9 8 (3.04%) CompTIA Security+
10 7 (2.66%) CCNP
10 7 (2.66%) JNCIA
10 7 (2.66%) JNCIP
10 7 (2.66%) JNCIS
11 6 (2.28%) AWS Certification
11 6 (2.28%) Azure Certification
11 6 (2.28%) Microsoft Certification
12 5 (1.90%) CCNA
12 5 (1.90%) Computer Science Degree
13 4 (1.52%) APMG
13 4 (1.52%) SSCP
Quality Assurance & Compliance
1 28 (10.65%) NIST
2 21 (7.98%) ISO/IEC 27001
3 13 (4.94%) NCSC
4 10 (3.80%) Cyber Essentials
5 7 (2.66%) PCI DSS
6 6 (2.28%) GDPR
6 6 (2.28%) SLA
7 5 (1.90%) QA
8 4 (1.52%) Cyber Essentials PLUS
9 3 (1.14%) RMADS
10 2 (0.76%) ISA99
10 2 (0.76%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 2 (0.76%) JSP 440
10 2 (0.76%) NIST 800
11 1 (0.38%) GMP
11 1 (0.38%) GRC
11 1 (0.38%) GxP
11 1 (0.38%) HMG Security Policy Framework
11 1 (0.38%) SOC 2
System Software
1 84 (31.94%) Active Directory
2 48 (18.25%) VMware Infrastructure
3 23 (8.75%) Docker
4 18 (6.84%) Hyper-V
5 15 (5.70%) VMware ESXi
6 13 (4.94%) VMware NSX
7 9 (3.42%) BitLocker
8 8 (3.04%) Microsoft App-V
9 7 (2.66%) Virtual Machines
10 6 (2.28%) Firmware
11 3 (1.14%) KVM
11 3 (1.14%) vSphere
12 2 (0.76%) OpenSSH
12 2 (0.76%) XenApp
12 2 (0.76%) XenDesktop
13 1 (0.38%) Embedded Firmware
13 1 (0.38%) iptables
13 1 (0.38%) Sendmail
13 1 (0.38%) Squid
13 1 (0.38%) Terminal Services
Systems Management
1 47 (17.87%) Ansible
2 41 (15.59%) Kubernetes
2 41 (15.59%) Terraform
3 23 (8.75%) FortiGate
4 22 (8.37%) vCenter Server
5 19 (7.22%) Single Sign-On
6 11 (4.18%) Prometheus
7 10 (3.80%) Grafana
7 10 (3.80%) Microsoft Intune
7 10 (3.80%) Puppet
8 9 (3.42%) SCOM
9 8 (3.04%) vMotion
10 6 (2.28%) WMI
11 5 (1.90%) SCCM
11 5 (1.90%) WSUS
12 4 (1.52%) Active Directory Federation Services
12 4 (1.52%) Avamar
13 3 (1.14%) CA Single Sign-On
14 2 (0.76%) Cilium
14 2 (0.76%) Suricata
Vendors
1 78 (29.66%) Microsoft
2 68 (25.86%) VMware
3 52 (19.77%) Cisco
4 40 (15.21%) Splunk
5 31 (11.79%) Juniper
6 27 (10.27%) F5
6 27 (10.27%) SolarWinds
7 22 (8.37%) Extreme Networks
8 17 (6.46%) ServiceNow
9 16 (6.08%) Citrix
10 15 (5.70%) Thales
11 13 (4.94%) Okta
12 12 (4.56%) Palo Alto
13 10 (3.80%) NetApp
14 9 (3.42%) BeyondTrust
14 9 (3.42%) BMC
14 9 (3.42%) Remedy
15 8 (3.04%) ForeScout
16 7 (2.66%) Aruba
17 6 (2.28%) Dell