Period
to

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 22 May 2022 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
England > London
6 months to
22 May 2022
Same period 2021 Same period 2020
Rank 738 511 507
Rank change year-on-year -227 -4 +99
Permanent jobs citing PKI 141 91 129
As % of all permanent jobs advertised in London 0.20% 0.26% 0.33%
As % of the Miscellaneous category 0.41% 0.63% 0.84%
Number of salaries quoted 108 73 105
10th Percentile £46,470 £42,100 £57,000
25th Percentile £60,000 £50,870 £65,000
Median annual salary (50th Percentile) £65,000 £75,000 £80,000
Median % change year-on-year -13.33% -6.25% +18.52%
75th Percentile £85,000 £80,000 £95,000
90th Percentile £100,000 £88,500 £108,750
England median annual salary £58,750 £61,500 £70,000
% change year-on-year -4.47% -12.14% +19.66%

PKI is in the General and Transferable 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 Skills
London
Permanent vacancies with a requirement for generic IT skills 34,806 14,403 15,319
As % of all permanent IT jobs advertised in London 49.35% 41.71% 39.52%
Number of salaries quoted 14,477 10,093 12,199
10th Percentile £43,750 £42,500 £39,000
25th Percentile £55,000 £53,750 £51,250
Median annual salary (50th Percentile) £75,000 £72,500 £70,000
Median % change year-on-year +3.45% +3.57% +7.69%
75th Percentile £96,250 £91,250 £90,000
90th Percentile £120,000 £112,500 £115,000
England median annual salary £62,500 £57,500 £57,500
% change year-on-year +8.70% - +4.55%

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 22 May 2022.

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 22 May 2022. 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
Central London -32 24 £70,000 -6.67% 3
West London -63 1 £46,065 -7.87% 1
PKI
England

For the 6 months to 22 May 2022, 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 64 (45.39%) Azure
2 63 (44.68%) Linux
3 52 (36.88%) Active Directory
3 52 (36.88%) Firewall
3 52 (36.88%) Infrastructure Engineering
4 51 (36.17%) Social Skills
5 47 (33.33%) Microsoft
6 46 (32.62%) Microsoft 365
7 45 (31.91%) DNS
8 41 (29.08%) Windows
8 41 (29.08%) Azure Active Directory
9 40 (28.37%) AWS
9 40 (28.37%) PowerShell
10 39 (27.66%) VMware
11 38 (26.95%) Finance
12 36 (25.53%) SSL
12 36 (25.53%) Information Security
13 30 (21.28%) DevOps
14 29 (20.57%) Python
15 28 (19.86%) Ansible
16 27 (19.15%) Cybersecurity
17 25 (17.73%) Red Hat
18 24 (17.02%) SQL
18 24 (17.02%) Red Hat Enterprise Linux
18 24 (17.02%) Degree
19 23 (16.31%) DHCP
20 22 (15.60%) CISSP
20 22 (15.60%) ISO/IEC 27001
20 22 (15.60%) SCCM
21 21 (14.89%) vSphere

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 15 (10.64%) MS Exchange
2 8 (5.67%) IIS
3 5 (3.55%) Apache Spark
3 5 (3.55%) Tomcat
4 4 (2.84%) Oracle SOA Suite
4 4 (2.84%) SharePoint
4 4 (2.84%) WebLogic
4 4 (2.84%) WebSphere
4 4 (2.84%) WebSphere Application Server
5 2 (1.42%) nginx
6 1 (0.71%) Apache
6 1 (0.71%) Elasticsearch
6 1 (0.71%) Ethereum
6 1 (0.71%) Exchange Server 2013
6 1 (0.71%) Hyperledger
6 1 (0.71%) JBoss
6 1 (0.71%) OpenStack
6 1 (0.71%) Solana
6 1 (0.71%) Traefik
Applications
1 4 (2.84%) EngageOne
2 2 (1.42%) Microsoft Office
3 1 (0.71%) Microsoft Excel
3 1 (0.71%) Microsoft PowerPoint
Business Applications
1 5 (3.55%) Oracle Financials
2 3 (2.13%) Distributed Ledger
3 2 (1.42%) R3 Corda
4 1 (0.71%) Dynamics AX
4 1 (0.71%) Sentinel
Cloud Services
1 64 (45.39%) Azure
2 46 (32.62%) Microsoft 365
3 41 (29.08%) Azure Active Directory
4 40 (28.37%) AWS
5 18 (12.77%) SaaS
6 15 (10.64%) Azure Stack
7 13 (9.22%) Cloud Computing
7 13 (9.22%) GCP
7 13 (9.22%) IaaS
8 12 (8.51%) PaaS
9 6 (4.26%) Amazon ELB
9 6 (4.26%) Power Platform
10 4 (2.84%) AWS Direct Connect
11 3 (2.13%) AWS CloudFormation
12 2 (1.42%) Amazon EC2
13 1 (0.71%) Amazon CloudWatch
13 1 (0.71%) Apigee
13 1 (0.71%) Mimecast
13 1 (0.71%) OneDrive
13 1 (0.71%) Virtual Private Cloud
Communications & Networking
1 52 (36.88%) Firewall
2 45 (31.91%) DNS
3 36 (25.53%) SSL
4 23 (16.31%) DHCP
5 20 (14.18%) VPN
6 18 (12.77%) TCP/IP
7 13 (9.22%) Network Security
8 11 (7.80%) LAN
8 11 (7.80%) WAN
9 8 (5.67%) HTTP
9 8 (5.67%) Wireless
10 7 (4.96%) BGP
10 7 (4.96%) IPsec
11 6 (4.26%) Internet
12 5 (3.55%) BIG-IP
12 5 (3.55%) Cisco ISE
12 5 (3.55%) NetScaler
12 5 (3.55%) SSH
12 5 (3.55%) Wi-Fi
13 4 (2.84%) Cisco Nexus
Database & Business Intelligence
1 19 (13.48%) SQL Server
2 6 (4.26%) MySQL
2 6 (4.26%) PostgreSQL
3 5 (3.55%) Hadoop
3 5 (3.55%) Power BI
4 1 (0.71%) DB2
4 1 (0.71%) MongoDB
Development Applications
1 18 (12.77%) Git (software)
2 10 (7.09%) Jenkins
3 5 (3.55%) JIRA
4 3 (2.13%) GitLab
5 2 (1.42%) Maven
5 2 (1.42%) MSI
6 1 (0.71%) Atlassian Bamboo
General
1 51 (36.17%) Social Skills
2 38 (26.95%) Finance
3 16 (11.35%) Analytical Skills
4 14 (9.93%) Organisational Skills
5 12 (8.51%) Presentation Skills
6 8 (5.67%) Inclusion and Diversity
7 7 (4.96%) Documentation Skills
8 6 (4.26%) Public Sector
9 5 (3.55%) Games
10 4 (2.84%) Law
11 3 (2.13%) Legal
11 3 (2.13%) Telecoms
12 2 (1.42%) Banking
12 2 (1.42%) French Language
12 2 (1.42%) German Language
12 2 (1.42%) Retail
12 2 (1.42%) Spanish Language
13 1 (0.71%) Marketing
Job Titles
1 40 (28.37%) Infrastructure Engineer
2 21 (14.89%) Cloud Engineer
2 21 (14.89%) Cloud Infrastructure Engineer
3 20 (14.18%) Security Engineer
4 17 (12.06%) 3rd Line Engineer
5 15 (10.64%) 3rd Line Infrastructure Engineer
6 12 (8.51%) Principal Engineer
7 11 (7.80%) Security Manager
8 10 (7.09%) Analyst
8 10 (7.09%) Cybersecurity Engineer
9 9 (6.38%) Security Analyst
10 8 (5.67%) Network Engineer
10 8 (5.67%) Operational Security Manager
10 8 (5.67%) Operations Manager
10 8 (5.67%) Security Operations Manager
10 8 (5.67%) Senior Network Engineer
11 7 (4.96%) Infrastructure Specialist
12 6 (4.26%) Operations Engineer
12 6 (4.26%) Platform Engineer
12 6 (4.26%) Software Engineer
Libraries, Frameworks & Software Standards
1 13 (9.22%) LDAP
2 8 (5.67%) SAML
3 6 (4.26%) Kafka
3 6 (4.26%) Node.js
4 5 (3.55%) React
4 5 (3.55%) REST
5 4 (2.84%) Keycloak
5 4 (2.84%) Middleware
5 4 (2.84%) WebSphere MQ
6 2 (1.42%) JSON Web Signature
6 2 (1.42%) OAuth
6 2 (1.42%) OpenID
7 1 (0.71%) cloud-init
7 1 (0.71%) EJB 3.0
7 1 (0.71%) JPA
7 1 (0.71%) RabbitMQ
7 1 (0.71%) RESTful
7 1 (0.71%) Smart Contracts
7 1 (0.71%) Spring Boot
7 1 (0.71%) Vert.x
Miscellaneous
1 18 (12.77%) Public Cloud
2 17 (12.06%) Clustering
3 16 (11.35%) Self-Motivation
4 15 (10.64%) Enterprise Storage
4 15 (10.64%) Management Information System
5 9 (6.38%) Client/Server
6 8 (5.67%) Replication
7 6 (4.26%) Data Centre
8 5 (3.55%) Algorithms
8 5 (3.55%) Analytical Mindset
8 5 (3.55%) Cloud Native
8 5 (3.55%) Data Structures
8 5 (3.55%) Private Cloud
9 4 (2.84%) Blockchain
9 4 (2.84%) Cyberthreat
9 4 (2.84%) Equities
9 4 (2.84%) Hedge funds
9 4 (2.84%) Hybrid Cloud
9 4 (2.84%) NHS
10 3 (2.13%) Mainframe
Operating Systems
1 63 (44.68%) Linux
2 41 (29.08%) Windows
3 24 (17.02%) Red Hat Enterprise Linux
4 20 (14.18%) Windows Server
5 11 (7.80%) Unix
6 9 (6.38%) Windows Server 2012
6 9 (6.38%) Windows Server 2016
7 8 (5.67%) Fedora
8 7 (4.96%) Windows Server 2008
9 4 (2.84%) Ubuntu
10 3 (2.13%) AIX
10 3 (2.13%) Windows Server 2019
10 3 (2.13%) zOS
11 2 (1.42%) CentOS
12 1 (0.71%) Android
12 1 (0.71%) Apple iOS
12 1 (0.71%) Debian
12 1 (0.71%) FreeBSD
12 1 (0.71%) Windows 10
Processes & Methodologies
1 52 (36.88%) Infrastructure Engineering
2 36 (25.53%) Information Security
3 30 (21.28%) DevOps
4 27 (19.15%) Cybersecurity
5 19 (13.48%) Problem-Solving
6 18 (12.77%) Security Operations
6 18 (12.77%) Systems Analysis
7 17 (12.06%) Agile
7 17 (12.06%) Migration
7 17 (12.06%) Systems Engineering
8 16 (11.35%) Change Control
8 16 (11.35%) CI/CD
8 16 (11.35%) Open Source
8 16 (11.35%) SIEM
8 16 (11.35%) Software Deployment
9 15 (10.64%) Data Loss Prevention
9 15 (10.64%) Kalman Filter
10 13 (9.22%) Configuration Management
10 13 (9.22%) Mentoring
11 12 (8.51%) Computer Science
Programming Languages
1 40 (28.37%) PowerShell
2 29 (20.57%) Python
3 24 (17.02%) SQL
4 7 (4.96%) Perl
5 6 (4.26%) Rust
6 5 (3.55%) Bash
6 5 (3.55%) Java
6 5 (3.55%) TypeScript
7 3 (2.13%) Kotlin
8 2 (1.42%) Go
9 1 (0.71%) Groovy
9 1 (0.71%) JavaScript
9 1 (0.71%) Ruby
9 1 (0.71%) Solidity
Qualifications
1 24 (17.02%) Degree
2 22 (15.60%) CISSP
3 14 (9.93%) SANS
3 14 (9.93%) Security Cleared
4 13 (9.22%) Cisco Certification
5 8 (5.67%) DV Cleared
6 7 (4.96%) (ISC)2 CCSP
6 7 (4.96%) CRISC
7 6 (4.26%) CCIE
7 6 (4.26%) Computer Science Degree
8 4 (2.84%) CCNP
8 4 (2.84%) CISM
9 2 (1.42%) CCA
9 2 (1.42%) CCDP
9 2 (1.42%) Citrix Certification
9 2 (1.42%) CompTIA Security+
9 2 (1.42%) SC Cleared
9 2 (1.42%) SSCP
9 2 (1.42%) VMware Certified Professional (VCP)
10 1 (0.71%) CEH
Quality Assurance & Compliance
1 22 (15.60%) ISO/IEC 27001
2 11 (7.80%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
3 10 (7.09%) NIST
4 8 (5.67%) GDPR
5 5 (3.55%) NCSC
6 4 (2.84%) Sarbanes-Oxley
7 3 (2.13%) HIPAA
7 3 (2.13%) PCI DSS
8 2 (1.42%) Cyber Essentials
9 1 (0.71%) DICOM
9 1 (0.71%) HL7
9 1 (0.71%) SLA
System Software
1 52 (36.88%) Active Directory
2 21 (14.89%) vSphere
3 15 (10.64%) VMware Infrastructure
4 9 (6.38%) Docker
5 8 (5.67%) Hyper-V
6 5 (3.55%) Citrix Hypervisor
6 5 (3.55%) Virtual Machines
7 4 (2.84%) BitLocker
7 4 (2.84%) VMware ESXi
8 3 (2.13%) Virtual Desktop
8 3 (2.13%) XenDesktop
9 2 (1.42%) VMware NSX
10 1 (0.71%) NFS
10 1 (0.71%) OpenAM
10 1 (0.71%) OpenIDM
10 1 (0.71%) RACF
Systems Management
1 28 (19.86%) Ansible
2 22 (15.60%) SCCM
3 17 (12.06%) Puppet
4 15 (10.64%) Single Sign-On
5 13 (9.22%) Active Directory Federation Services
6 10 (7.09%) Kubernetes
7 7 (4.96%) Microsoft Intune
7 7 (4.96%) VxRail
8 6 (4.26%) vRealize
9 5 (3.55%) CA Single Sign-On
9 5 (3.55%) Terraform
9 5 (3.55%) yum
10 4 (2.84%) Packer
11 3 (2.13%) EMC NetWorker
11 3 (2.13%) SCVMM
12 2 (1.42%) Docker Swarm
12 2 (1.42%) EnCase
12 2 (1.42%) Host Intrusion Detection System
12 2 (1.42%) Prometheus
12 2 (1.42%) ZABBIX
Vendors
1 47 (33.33%) Microsoft
2 39 (27.66%) VMware
3 25 (17.73%) Red Hat
4 19 (13.48%) Apple
5 15 (10.64%) 3PAR
5 15 (10.64%) Scality
6 12 (8.51%) Cisco
6 12 (8.51%) Oracle
7 11 (7.80%) Citrix
8 6 (4.26%) CA
8 6 (4.26%) EMC
8 6 (4.26%) F5
9 5 (3.55%) Dell
9 5 (3.55%) IBM
9 5 (3.55%) ServiceNow
10 4 (2.84%) Google
10 4 (2.84%) Meraki
10 4 (2.84%) Netskope
11 3 (2.13%) Arista
11 3 (2.13%) Trustwave