Public-Key Infrastructure (PKI)
UK

The table below looks at the prevalence of the term PKI in permanent job vacancies. Included is a benchmarking guide to the salaries offered in vacancies that cited PKI over the 6 months leading up to 13 June 2025, comparing them to the same period in the previous two years.

6 months to
13 Jun 2025
Same period 2024 Same period 2023
Rank 543 526 605
Rank change year-on-year -17 +79 +235
Permanent jobs citing PKI 171 426 339
As % of all permanent jobs advertised in the UK 0.31% 0.39% 0.37%
As % of the Miscellaneous category 0.82% 1.15% 0.84%
Number of salaries quoted 72 295 208
10th Percentile £43,799 £43,239 £41,250
25th Percentile £50,125 £48,500 £50,000
Median annual salary (50th Percentile) £58,500 £59,000 £65,000
Median % change year-on-year -0.85% -9.23% +8.33%
75th Percentile £81,063 £75,000 £87,500
90th Percentile £97,000 £92,500 £106,125
UK excluding London median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - +1.66%

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 permanent job vacancies requiring generic IT skills.

Permanent vacancies with a requirement for generic IT skills 20,981 37,012 40,482
As % of all permanent jobs advertised in the UK 37.48% 33.69% 43.78%
Number of salaries quoted 9,687 23,502 22,191
10th Percentile £30,000 £28,250 £35,750
25th Percentile £41,250 £38,539 £46,500
Median annual salary (50th Percentile) £60,000 £55,000 £65,000
Median % change year-on-year +9.09% -15.38% +4.00%
75th Percentile £78,750 £75,000 £85,000
90th Percentile £107,500 £97,500 £110,000
UK excluding London median annual salary £53,500 £50,000 £55,000
% change year-on-year +7.00% -9.09% +4.76%

PKI
Job Vacancy Trend

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

Job vacancy trend for PKI in the UK

PKI
Salary Trend

3-month moving average salary quoted in jobs citing PKI.

Salary trend for PKI in the UK

PKI
Salary Histogram

Salary distribution for jobs citing PKI over the 6 months to 13 June 2025.

Salary histogram for PKI in the UK

PKI
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing PKI within the UK over the 6 months to 13 June 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England -16 169 £58,000 -1.69% 111
Work from Home +54 102 £60,250 +7.59% 67
UK excluding London +30 90 £57,500 +4.55% 85
South East +39 45 £55,000 -6.78% 29
London +3 44 £75,000 +5.26% 48
East of England +64 25 £78,750 +26.00% 1
South West +76 6 £49,250 -9.63% 19
North of England +39 6 £51,100 -18.61% 13
Midlands +36 6 £53,688 +21.40% 5
West Midlands +34 6 £53,688 +24.20% 2
North West +2 4 £66,000 +5.60% 11
Yorkshire +53 2 £44,700 -28.48% 1
Scotland +98 1 £74,500 +41.90% 9
Northern Ireland +37 1 - - 3

PKI
Co-occurring Skills and Capabilities 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 18 (10.53%) Microsoft Exchange
2 4 (2.34%) Apache
2 4 (2.34%) IIS
3 3 (1.75%) SharePoint
4 1 (0.58%) Confluence
Applications
1 4 (2.34%) MS Visio
2 3 (1.75%) Microsoft Excel
2 3 (1.75%) Microsoft PowerPoint
3 1 (0.58%) AutoCAD
Cloud Services
1 118 (69.01%) AWS
2 83 (48.54%) AWS Lambda
2 83 (48.54%) Serverless
3 45 (26.32%) Azure
4 22 (12.87%) Microsoft 365
5 13 (7.60%) Entra ID
5 13 (7.60%) GCP
6 10 (5.85%) IaaS
7 7 (4.09%) Azure Monitor
8 6 (3.51%) OpenShift
9 5 (2.92%) Microsoft Purview
9 5 (2.92%) PaaS
10 4 (2.34%) Azure Sentinel
11 3 (1.75%) Microsoft Copilot
11 3 (1.75%) SaaS
12 2 (1.17%) Amazon Cognito
12 2 (1.17%) Azure Data Factory
12 2 (1.17%) Cloud Computing
13 1 (0.58%) Cloudflare
13 1 (0.58%) Mimecast
Communications & Networking
1 88 (51.46%) SSL
2 83 (48.54%) SSH
3 82 (47.95%) Broadband
4 42 (24.56%) Firewall
5 23 (13.45%) DNS
6 18 (10.53%) DHCP
7 16 (9.36%) VPN
8 11 (6.43%) SMTP
9 9 (5.26%) SAN
10 8 (4.68%) Network Security
11 6 (3.51%) Kerberos
11 6 (3.51%) Remote Desktop
12 5 (2.92%) Cisco Firepower
12 5 (2.92%) Reverse Proxy
12 5 (2.92%) WAN
13 4 (2.34%) BGP
13 4 (2.34%) Internet
13 4 (2.34%) LAN
13 4 (2.34%) OSPF
13 4 (2.34%) VoIP
Database & Business Intelligence
1 6 (3.51%) Amazon RDS
2 2 (1.17%) SQL Server
3 1 (0.58%) MySQL
Development Applications
1 2 (1.17%) Jenkins
1 2 (1.17%) JIRA
2 1 (0.58%) GitLab
General
1 112 (65.50%) Social Skills
2 14 (8.19%) Finance
3 10 (5.85%) Legal
4 9 (5.26%) Law
5 7 (4.09%) Inclusion and Diversity
6 5 (2.92%) Police
7 4 (2.34%) Analytical Skills
7 4 (2.34%) Marketing
8 3 (1.75%) Influencing Skills
9 2 (1.17%) Local Government
9 2 (1.17%) Presentation Skills
10 1 (0.58%) Advertising
10 1 (0.58%) Automotive
10 1 (0.58%) Documentation Skills
10 1 (0.58%) Organisational Skills
10 1 (0.58%) Retail
Job Titles
1 87 (50.88%) DevOps Engineer
2 86 (50.29%) Cloud Engineer
3 16 (9.36%) Infrastructure Engineer
4 15 (8.77%) Senior
5 12 (7.02%) Infrastructure Support
6 11 (6.43%) Architect
7 8 (4.68%) Analyst
7 8 (4.68%) Security Analyst
7 8 (4.68%) Security Engineer
8 7 (4.09%) Identity and Access Management Engineer
8 7 (4.09%) Identity Management Engineer
8 7 (4.09%) Infrastructure Support Engineer
8 7 (4.09%) Network Engineer
8 7 (4.09%) Security Architect
8 7 (4.09%) Support Engineer
9 6 (3.51%) Information Analyst
9 6 (3.51%) Information Security Analyst
9 6 (3.51%) Software Engineer
10 5 (2.92%) 2nd Line Support
11 4 (2.34%) Senior DevOps
Libraries, Frameworks & Software Standards
1 85 (49.71%) Web Services
2 83 (48.54%) RESTful
3 17 (9.94%) SAML
4 12 (7.02%) OAuth
5 11 (6.43%) OpenID
6 10 (5.85%) LDAP
7 7 (4.09%) OAuth2
8 5 (2.92%) SailPoint
8 5 (2.92%) SOAP
9 4 (2.34%) Keycloak
10 3 (1.75%) 802.1X
10 3 (1.75%) EJB
10 3 (1.75%) JDBC
10 3 (1.75%) JSON
10 3 (1.75%) YAML
11 2 (1.17%) JWT
11 2 (1.17%) REST
12 1 (0.58%) Micronaut
12 1 (0.58%) ModSecurity
12 1 (0.58%) OpenAPI
Miscellaneous
1 87 (50.88%) Onboarding
2 85 (49.71%) Management Information System
3 82 (47.95%) Cyber Threat
3 82 (47.95%) Cyberattack
4 8 (4.68%) Clustering
5 6 (3.51%) Legacy Systems
6 5 (2.92%) Data Centre
6 5 (2.92%) Security Operations Centre
6 5 (2.92%) Security Posture
7 4 (2.34%) Private Cloud
8 3 (1.75%) Algorithms
8 3 (1.75%) Cloud Security Posture
8 3 (1.75%) Microsoft Licensing
8 3 (1.75%) Replication
8 3 (1.75%) Self-Motivation
8 3 (1.75%) Taxonomies
8 3 (1.75%) Virtual Team
9 2 (1.17%) Analytical Mindset
9 2 (1.17%) Cloud Native
9 2 (1.17%) Enterprise Software
Operating Systems
1 35 (20.47%) Windows
2 30 (17.54%) Windows Server
3 11 (6.43%) Linux
4 3 (1.75%) Windows Server 2003
5 2 (1.17%) Windows Server 2019
6 1 (0.58%) Apple iOS
6 1 (0.58%) Ubuntu
6 1 (0.58%) Windows 10
Processes & Methodologies
1 102 (59.65%) Cybersecurity
2 94 (54.97%) DevOps
3 91 (53.22%) Key Management
4 90 (52.63%) Roadmaps
5 86 (50.29%) Vulnerability Assessment
6 83 (48.54%) Use Case
7 82 (47.95%) Deployment Automation
7 82 (47.95%) Programme Delivery
8 25 (14.62%) SIEM
9 21 (12.28%) Agile
9 21 (12.28%) Infrastructure Engineering
10 19 (11.11%) Problem-Solving
11 15 (8.77%) Data Loss Prevention
12 14 (8.19%) Identity Access Management
12 14 (8.19%) Infrastructure as Code
12 14 (8.19%) Risk Management
13 13 (7.60%) Cloud Security
13 13 (7.60%) Disaster Recovery
13 13 (7.60%) Information Security
14 12 (7.02%) RBAC
Programming Languages
1 86 (50.29%) Python
2 23 (13.45%) PowerShell
3 7 (4.09%) Java
4 3 (1.75%) JavaScript
4 3 (1.75%) SQL
5 1 (0.58%) Bash
5 1 (0.58%) Scala
Qualifications
1 43 (25.15%) Security Cleared
2 35 (20.47%) DV Cleared
3 17 (9.94%) CISSP
4 16 (9.36%) Degree
5 15 (8.77%) SC Cleared
6 12 (7.02%) Cisco Certification
7 8 (4.68%) CCNA
7 8 (4.68%) CISM
8 6 (3.51%) CCNP
8 6 (3.51%) Microsoft Certification
9 5 (2.92%) Azure Certification
9 5 (2.92%) CompTIA Security+
9 5 (2.92%) VMware Certified Professional (VCP)
10 3 (1.75%) (ISC)2 CCSP
10 3 (1.75%) CCSK
10 3 (1.75%) CCSP
11 2 (1.17%) A+ Certification
11 2 (1.17%) GIAC
11 2 (1.17%) ISACA
11 2 (1.17%) OSCP
Quality Assurance & Compliance
1 91 (53.22%) NIST
2 86 (50.29%) ISO/IEC 27001
3 9 (5.26%) Cyber Essentials
4 8 (4.68%) Cyber Essentials PLUS
5 5 (2.92%) GDPR
5 5 (2.92%) SLA
6 2 (1.17%) NCSC
7 1 (0.58%) PCI DSS
7 1 (0.58%) SOC 2
System Software
1 132 (77.19%) Active Directory
2 22 (12.87%) Hyper-V
3 18 (10.53%) VMware ESXi
3 18 (10.53%) VMware Infrastructure
4 14 (8.19%) Docker
5 8 (4.68%) BitLocker
5 8 (4.68%) Microsoft App-V
5 8 (4.68%) Terminal Services
6 7 (4.09%) vSphere
7 3 (1.75%) Firmware
7 3 (1.75%) VMware NSX
8 2 (1.17%) VMware Workstation
9 1 (0.58%) NFS
9 1 (0.58%) Virtual Machines
Systems Management
1 94 (54.97%) Terraform
2 18 (10.53%) Single Sign-On
3 13 (7.60%) Kubernetes
4 11 (6.43%) Ansible
4 11 (6.43%) vCenter Server
5 10 (5.85%) Microsoft Intune
6 8 (4.68%) vMotion
7 7 (4.09%) QRadar
8 6 (3.51%) Nagios
8 6 (3.51%) Puppet
9 4 (2.34%) CASB
10 3 (1.75%) Computer Emergency Response Teams
11 2 (1.17%) Active Directory Federation Services
11 2 (1.17%) Argo
11 2 (1.17%) FortiGate
11 2 (1.17%) Graylog
11 2 (1.17%) Nessus
11 2 (1.17%) WSUS
12 1 (0.58%) cPanel
12 1 (0.58%) WMI
Vendors
1 88 (51.46%) Thales
2 42 (24.56%) Microsoft
3 26 (15.20%) VMware
4 10 (5.85%) Cisco
5 9 (5.26%) Google
5 9 (5.26%) SolarWinds
5 9 (5.26%) Splunk
5 9 (5.26%) Symantec
6 8 (4.68%) Citrix
7 6 (3.51%) HP
7 6 (3.51%) Veeam
8 4 (2.34%) Palo Alto
8 4 (2.34%) Zscaler
9 3 (1.75%) Broadcom
9 3 (1.75%) Dell
9 3 (1.75%) ForgeRock
9 3 (1.75%) Juniper
10 2 (1.17%) CheckPoint
10 2 (1.17%) EMC
10 2 (1.17%) SonicWALL