Period
to 20 April 2021

The table below looks at the prevalence of the term PKI in permanent job vacancies advertised in London. Included is a benchmarking guide to the salaries offered in vacancies that have cited PKI over the 6 months to 20 April 2021 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
England > London
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 467 536 623
Rank change year-on-year +69 +87 +31
Permanent jobs citing PKI 96 143 149
As % of all permanent jobs advertised in London 0.31% 0.32% 0.25%
As % of the Miscellaneous category 0.71% 0.75% 0.59%
Number of salaries quoted 78 114 135
10th Percentile £46,375 £60,000 £46,750
25th Percentile £55,313 £65,000 £51,250
Median annual salary (50th Percentile) £76,000 £80,000 £65,000
Median % change year-on-year -5.00% +23.08% +8.33%
75th Percentile £84,063 £95,000 £90,000
90th Percentile £95,000 £108,750 £98,250
England median annual salary £62,500 £70,000 £57,500
% change year-on-year -10.71% +21.74% +9.52%

PKI is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for generic IT skills.

All Generic IT Skills
London
Permanent vacancies with a requirement for generic IT skills 13,496 19,098 25,463
As % of all permanent IT jobs advertised in London 43.27% 42.10% 41.92%
Number of salaries quoted 10,284 14,985 20,159
10th Percentile £42,500 £37,500 £35,000
25th Percentile £52,500 £50,000 £47,500
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +8.33%
75th Percentile £90,000 £87,500 £82,500
90th Percentile £110,000 £112,500 £100,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

PKI
Job Vacancy Trend in London

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

Job vacancy trend for PKI in London

PKI
Salary Trend in London

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

Salary trend for PKI in London

PKI
Salary Histogram in London

Salary distribution for jobs citing PKI in London over the 6 months to 20 April 2021.

Salary histogram for PKI in London

PKI
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing PKI within the London region over the 6 months to 20 April 2021. 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
Job
Vacancies
Central London +87 21 £75,000 -16.67%
West London +47 2 £50,000 -16.67% 3
PKI
England

For the 6 months to 20 April 2021, IT jobs citing PKI also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for PKI.

1 56 (58.33%) Azure
2 46 (47.92%) Active Directory
3 45 (46.88%) Linux
4 39 (40.63%) DevOps
5 38 (39.58%) Docker
6 36 (37.50%) DevSecOps
7 34 (35.42%) Microsoft
8 32 (33.33%) Kubernetes
9 31 (32.29%) Windows
10 30 (31.25%) Infrastructure as Code
11 29 (30.21%) Unix
12 28 (29.17%) Azure Active Directory
13 26 (27.08%) Python
14 25 (26.04%) Firewall
14 25 (26.04%) Identity Access Management
15 24 (25.00%) Finance
15 24 (25.00%) DNS
15 24 (25.00%) Microsoft 365
15 24 (25.00%) AWS
16 23 (23.96%) PowerShell
16 23 (23.96%) Fintech
17 21 (21.88%) Kafka
18 20 (20.83%) VMware
19 19 (19.79%) Security Cleared
19 19 (19.79%) VMware Infrastructure
19 19 (19.79%) Security Operations
19 19 (19.79%) Blockchain
19 19 (19.79%) R3 Corda
20 18 (18.75%) Information Security
21 17 (17.71%) SQL

PKI
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 8 (8.33%) IIS
2 6 (6.25%) SharePoint
3 4 (4.17%) MS Exchange
4 3 (3.13%) Confluence
5 2 (2.08%) Apache
5 2 (2.08%) Skype for Business
6 1 (1.04%) Elasticsearch
Applications
1 3 (3.13%) Microsoft Office
Business Applications
1 19 (19.79%) R3 Corda
2 3 (3.13%) Distributed Ledger
Cloud Services
1 56 (58.33%) Azure
2 28 (29.17%) Azure Active Directory
3 24 (25.00%) AWS
3 24 (25.00%) Microsoft 365
4 9 (9.38%) IaaS
4 9 (9.38%) PaaS
5 3 (3.13%) Akamai
5 3 (3.13%) Azure App Service
5 3 (3.13%) Azure Cosmos DB
5 3 (3.13%) Azure ExpressRoute
5 3 (3.13%) Azure Sentinel
5 3 (3.13%) Azure Synapse Analytics
5 3 (3.13%) Google Workspace
5 3 (3.13%) SaaS
6 2 (2.08%) OneDrive
6 2 (2.08%) Virtual Private Cloud
7 1 (1.04%) Amazon CloudWatch
7 1 (1.04%) AWS CloudFormation
7 1 (1.04%) AWS CloudTrail
7 1 (1.04%) AWS Lambda
Communications & Networking
1 25 (26.04%) Firewall
2 24 (25.00%) DNS
3 16 (16.67%) DHCP
4 13 (13.54%) Network Security
5 12 (12.50%) TCP/IP
6 11 (11.46%) VPN
7 8 (8.33%) IPsec
8 5 (5.21%) Cisco ASA
9 4 (4.17%) HTTP
10 3 (3.13%) NetScaler
10 3 (3.13%) Unified Communications
10 3 (3.13%) WAN
10 3 (3.13%) X.509
11 2 (2.08%) Cisco PIX
12 1 (1.04%) DMZ
12 1 (1.04%) ICMP
12 1 (1.04%) Intrusion Detection
12 1 (1.04%) SAN
12 1 (1.04%) SNMP
12 1 (1.04%) SSL
Database & Business Intelligence
1 19 (19.79%) Blockchain
2 6 (6.25%) SQL Server
3 4 (4.17%) NoSQL
4 3 (3.13%) Amazon RDS
4 3 (3.13%) Azure SQL Database
5 2 (2.08%) Apache Cassandra
5 2 (2.08%) MongoDB
5 2 (2.08%) MySQL
5 2 (2.08%) PostgreSQL
Development Applications
1 3 (3.13%) JIRA
2 2 (2.08%) GitLab
2 2 (2.08%) Jenkins
General
1 24 (25.00%) Finance
2 4 (4.17%) Legal
3 2 (2.08%) Back Office
3 2 (2.08%) Banking
3 2 (2.08%) Japanese Language
3 2 (2.08%) Law
3 2 (2.08%) Retail
3 2 (2.08%) Telecoms
4 1 (1.04%) Public Sector
Job Titles
1 11 (11.46%) DevOps Engineer
2 10 (10.42%) Security Engineer
3 9 (9.38%) Architect
3 9 (9.38%) DevSecOps Engineer
4 8 (8.33%) Infrastructure Engineer
5 7 (7.29%) Ethical Hacker
5 7 (7.29%) Penetration Tester
5 7 (7.29%) Tester
6 6 (6.25%) DevOps Engineer - Fintech
7 5 (5.21%) Cloud Architect
7 5 (5.21%) Service Owner
8 4 (4.17%) Analyst
9 3 (3.13%) Cloud Engineer
9 3 (3.13%) Cloud Solutions Architect
9 3 (3.13%) Developer
9 3 (3.13%) Identity Management Analyst
9 3 (3.13%) Identity Management Engineer
9 3 (3.13%) Infrastructure Architect
9 3 (3.13%) Senior Developer
9 3 (3.13%) Solutions Architect
Libraries, Frameworks & Software Standards
1 21 (21.88%) Kafka
2 8 (8.33%) SAML
3 7 (7.29%) OpenID
3 7 (7.29%) SailPoint
4 6 (6.25%) Web Services
5 5 (5.21%) LDAP
5 5 (5.21%) XML
6 4 (4.17%) JSON
7 3 (3.13%) HTML
7 3 (3.13%) REST
7 3 (3.13%) SOAP
8 2 (2.08%) AngularJS
8 2 (2.08%) Elastic Stack
8 2 (2.08%) LAMP
8 2 (2.08%) LAPP Stack
8 2 (2.08%) OAuth
8 2 (2.08%) OAuth2
8 2 (2.08%) Play Framework
8 2 (2.08%) RESTful
8 2 (2.08%) Spring
Miscellaneous
1 11 (11.46%) Distributed Denial-of-Service
1 11 (11.46%) Public Cloud
2 9 (9.38%) Cloud Native
3 6 (6.25%) Data Centre
4 5 (5.21%) Organisational Skills
4 5 (5.21%) Self-Motivation
5 4 (4.17%) Hybrid Cloud
5 4 (4.17%) Management Information System
5 4 (4.17%) Replication
6 3 (3.13%) Client/Server
7 1 (1.04%) Analytical Skills
7 1 (1.04%) Blog
7 1 (1.04%) Clustering
7 1 (1.04%) Cyberthreat
7 1 (1.04%) iPhone
7 1 (1.04%) Mobile App
7 1 (1.04%) Private Cloud
7 1 (1.04%) Security Operations Centre
7 1 (1.04%) Social Media
Operating Systems
1 45 (46.88%) Linux
2 31 (32.29%) Windows
3 29 (30.21%) Unix
4 15 (15.63%) Windows Server
5 9 (9.38%) Windows Server 2012
5 9 (9.38%) Windows Server 2016
6 8 (8.33%) Mac OS
7 6 (6.25%) Windows Server 2019
8 5 (5.21%) Android
8 5 (5.21%) Apple iOS
9 2 (2.08%) CentOS
9 2 (2.08%) MVS
9 2 (2.08%) Solaris
10 1 (1.04%) Red Hat Enterprise Linux
Processes & Methodologies
1 39 (40.63%) DevOps
2 36 (37.50%) DevSecOps
3 30 (31.25%) Infrastructure as Code
4 25 (26.04%) Identity Access Management
5 23 (23.96%) Fintech
6 19 (19.79%) Security Operations
7 18 (18.75%) Information Security
8 16 (16.67%) Agile Software Development
8 16 (16.67%) Cybersecurity
8 16 (16.67%) Vulnerability Management
9 14 (14.58%) Product Management
10 13 (13.54%) Resilience Testing
11 12 (12.50%) SIEM
11 12 (12.50%) Software Engineering
12 11 (11.46%) Analytics
12 11 (11.46%) OWASP
13 10 (10.42%) Data Security
14 9 (9.38%) Continuous Improvement
14 9 (9.38%) Infrastructure Engineering
14 9 (9.38%) Risk Assessment
Programming Languages
1 26 (27.08%) Python
2 23 (23.96%) PowerShell
3 17 (17.71%) SQL
4 8 (8.33%) Bash Shell
5 4 (4.17%) Perl
6 3 (3.13%) Java
6 3 (3.13%) VB
7 2 (2.08%) C
7 2 (2.08%) C#
7 2 (2.08%) Go
7 2 (2.08%) Kotlin
7 2 (2.08%) Rust
7 2 (2.08%) Scala
7 2 (2.08%) Shell Script
8 1 (1.04%) Ruby
Qualifications
1 19 (19.79%) Security Cleared
2 11 (11.46%) SC Cleared
3 8 (8.33%) DV Cleared
4 7 (7.29%) CCNA
4 7 (7.29%) CEPT
4 7 (7.29%) Cisco Certification
4 7 (7.29%) EC-Council LPT
4 7 (7.29%) GXPN
4 7 (7.29%) Microsoft Certification
4 7 (7.29%) OSCE
4 7 (7.29%) OSWP
4 7 (7.29%) SANS
5 4 (4.17%) CISSP
5 4 (4.17%) Degree
6 3 (3.13%) CISA
7 2 (2.08%) CISM
8 1 (1.04%) AWS Certification
8 1 (1.04%) CRISC
8 1 (1.04%) GIAC
8 1 (1.04%) GSEC
Quality Assurance & Compliance
1 4 (4.17%) ISO/IEC 27001
1 4 (4.17%) QA
2 1 (1.04%) PCI DSS
2 1 (1.04%) SLA
System Software
1 46 (47.92%) Active Directory
2 38 (39.58%) Docker
3 19 (19.79%) VMware Infrastructure
4 8 (8.33%) XenApp
5 5 (5.21%) Forefront TMG
5 5 (5.21%) Hyper-V
5 5 (5.21%) Terminal Services
5 5 (5.21%) VMware Workstation
6 3 (3.13%) XenDesktop
7 1 (1.04%) vSphere
Systems Management
1 32 (33.33%) Kubernetes
2 13 (13.54%) Terraform
3 11 (11.46%) Single Sign-On
4 8 (8.33%) SCCM
4 8 (8.33%) SCOM
5 5 (5.21%) Microsoft Intune
5 5 (5.21%) WSUS
6 3 (3.13%) Ansible
6 3 (3.13%) SCOrch
7 2 (2.08%) Forefront Identity Manager
7 2 (2.08%) Grafana
7 2 (2.08%) Host Intrusion Detection System
7 2 (2.08%) Kibana
7 2 (2.08%) MOM
7 2 (2.08%) Prometheus
7 2 (2.08%) Puppet
8 1 (1.04%) Computer Emergency Response Teams
8 1 (1.04%) Computer Incident Response Team
8 1 (1.04%) Failover Clustering
8 1 (1.04%) Nessus
Vendors
1 34 (35.42%) Microsoft
2 20 (20.83%) VMware
3 9 (9.38%) Citrix
4 6 (6.25%) Cisco
4 6 (6.25%) F5
5 5 (5.21%) Fortinet
5 5 (5.21%) McAfee
6 4 (4.17%) AlienVault
6 4 (4.17%) CyberArk
6 4 (4.17%) Snow
7 3 (3.13%) SolarWinds
8 2 (2.08%) Atlassian
8 2 (2.08%) NetIQ
8 2 (2.08%) ServiceNow
8 2 (2.08%) Veeam
9 1 (1.04%) CheckPoint
9 1 (1.04%) EMC
9 1 (1.04%) Google
9 1 (1.04%) MobileIron
9 1 (1.04%) Red Hat