Period
to

The table below looks at the prevalence of the term PKI in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited PKI over the 6 months to 25 May 2022 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Public-Key Infrastructure (PKI)
England > London
6 months to
25 May 2022
Same period 2021 Same period 2020
Rank 432 398 350
Rank change year-on-year -34 -48 +101
Contract jobs citing PKI 158 61 78
As % of all contract jobs advertised in London 0.41% 0.25% 0.40%
As % of the Miscellaneous category 1.17% 0.73% 1.17%
Number of daily rates quoted 116 38 50
10th Percentile £459 £404 £432
25th Percentile £513 £423 £489
Median daily rate (50th Percentile) £600 £478 £600
Median % change year-on-year +25.65% -20.42% -
75th Percentile £675 £529 £640
90th Percentile £725 £625 £678
England median daily rate £550 £475 £500
% change year-on-year +15.79% -5.00% -3.85%
Number of hourly rates quoted 0 1 0
Median hourly rate - £60.00 -
England median hourly rate £54.43 £15.00 £53.00
% change year-on-year +262.87% -71.70% +341.67%

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

All Generic Skills
London
Contract vacancies with a requirement for generic IT skills 13,450 8,309 6,650
As % of all contract IT jobs advertised in London 34.81% 34.03% 33.70%
Number of daily rates quoted 9,860 5,803 4,819
10th Percentile £400 £350 £313
25th Percentile £485 £431 £419
Median daily rate (50th Percentile) £600 £550 £525
Median % change year-on-year +9.09% +4.76% -
75th Percentile £713 £650 £638
90th Percentile £800 £738 £738
England median daily rate £550 £500 £481
% change year-on-year +10.00% +4.00% +1.21%
Number of hourly rates quoted 211 141 113
10th Percentile £18.50 £15.06 £13.60
25th Percentile £23.91 £20.00 £18.00
Median hourly rate £43.50 £32.00 £32.25
Median % change year-on-year +35.94% -0.78% +29.00%
75th Percentile £53.75 £47.50 £47.75
90th Percentile £68.13 £60.00 £53.75
England median hourly rate £26.50 £25.50 £22.50
% change year-on-year +3.92% +13.33% +7.14%

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
Contractor Daily Rate Trend in London

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

Daily rate trend for PKI in London

PKI
Daily Rate Histogram in London

Daily rate distribution for jobs citing PKI in London over the 6 months to 25 May 2022.

Daily rate histogram for PKI in London

PKI
Contractor Hourly Rate Trend in London

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

Hourly rate trend for PKI in London

PKI
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PKI within the London region over the 6 months to 25 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London -15 17 £563 +25.00% 4
South London - 6 £519 -
PKI
England

For the 6 months to 25 May 2022, IT contractor 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 contract job ads across the London region with a requirement for PKI.

1 84 (53.16%) Azure
2 72 (45.57%) Microsoft
3 69 (43.67%) Active Directory
4 64 (40.51%) Windows
5 63 (39.87%) Linux
6 56 (35.44%) DNS
6 56 (35.44%) VMware
7 45 (28.48%) Azure Active Directory
8 43 (27.22%) VMware Infrastructure
8 43 (27.22%) Firewall
9 41 (25.95%) PowerShell
10 40 (25.32%) Kubernetes
11 39 (24.68%) Microsoft 365
11 39 (24.68%) Python
12 37 (23.42%) DevOps
13 36 (22.78%) Terraform
13 36 (22.78%) Windows Server
13 36 (22.78%) Docker
13 36 (22.78%) AWS
14 34 (21.52%) Ansible
15 33 (20.89%) SSL
15 33 (20.89%) Finance
16 30 (18.99%) SCCM
16 30 (18.99%) Active Directory Federation Services
17 29 (18.35%) CI/CD
17 29 (18.35%) Data Loss Prevention
18 28 (17.72%) Cybersecurity
19 27 (17.09%) GCP
19 27 (17.09%) Load Balancing
20 26 (16.46%) VPN

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 17 (10.76%) OpenStack
2 15 (9.49%) nginx
3 12 (7.59%) Traefik
4 10 (6.33%) SharePoint
5 6 (3.80%) MS Exchange
6 5 (3.16%) Cloud Foundry
6 5 (3.16%) IIS
7 4 (2.53%) Apache
7 4 (2.53%) Tomcat
8 2 (1.27%) Apache Airflow
9 1 (0.63%) Adobe Experience Manager
9 1 (0.63%) Jetty
9 1 (0.63%) WebSphere
Applications
1 19 (12.03%) Microsoft Excel
2 18 (11.39%) Microsoft PowerPoint
3 14 (8.86%) MS Visio
4 2 (1.27%) Microsoft Office
5 1 (0.63%) Microsoft Project
Business Applications
1 4 (2.53%) Sentinel
Cloud Services
1 84 (53.16%) Azure
2 45 (28.48%) Azure Active Directory
3 39 (24.68%) Microsoft 365
4 36 (22.78%) AWS
5 27 (17.09%) GCP
6 22 (13.92%) PaaS
7 21 (13.29%) SaaS
8 20 (12.66%) IaaS
9 13 (8.23%) AWS CloudFormation
10 12 (7.59%) Virtual Private Cloud
11 11 (6.96%) Amazon CloudWatch
11 11 (6.96%) Amazon EC2
12 8 (5.06%) Azure Sentinel
12 8 (5.06%) OneDrive
13 6 (3.80%) OpenShift
14 5 (3.16%) Apigee
15 4 (2.53%) GitHub
16 3 (1.90%) Cloud Computing
17 2 (1.27%) Google Workspace
17 2 (1.27%) Tricentis Tosca
Communications & Networking
1 56 (35.44%) DNS
2 43 (27.22%) Firewall
3 33 (20.89%) SSL
4 26 (16.46%) VPN
5 22 (13.92%) IPsec
6 21 (13.29%) TCP/IP
7 20 (12.66%) DHCP
8 15 (9.49%) IKE
9 13 (8.23%) Network Security
10 7 (4.43%) Cisco ASA
11 6 (3.80%) DMZ
11 6 (3.80%) Kerberos
12 5 (3.16%) Intrusion Detection
12 5 (3.16%) X.500
13 4 (2.53%) iSCSI
13 4 (2.53%) LAN
13 4 (2.53%) SAN
13 4 (2.53%) SSH
13 4 (2.53%) WAN
13 4 (2.53%) Wi-Fi
Database & Business Intelligence
1 7 (4.43%) PostgreSQL
2 6 (3.80%) Hadoop
2 6 (3.80%) MySQL
3 5 (3.16%) SQL Server
4 3 (1.90%) Amazon RDS
4 3 (1.90%) Relational Database
5 2 (1.27%) Cloudant
5 2 (1.27%) Couchbase
5 2 (1.27%) MongoDB
5 2 (1.27%) NoSQL
5 2 (1.27%) SAP HANA
6 1 (0.63%) Big Data
6 1 (0.63%) Redis
Development Applications
1 18 (11.39%) Jenkins
2 17 (10.76%) Git (software)
2 17 (10.76%) GitLab
3 3 (1.90%) Bitbucket
4 2 (1.27%) JUnit
4 2 (1.27%) Liquibase
5 1 (0.63%) IBM UrbanCode
5 1 (0.63%) JIRA
5 1 (0.63%) Postman
General
1 33 (20.89%) Finance
2 19 (12.03%) Social Skills
3 13 (8.23%) Public Sector
4 12 (7.59%) Telecoms
5 10 (6.33%) Analytical Skills
6 9 (5.70%) Banking
6 9 (5.70%) Games
7 8 (5.06%) Presentation Skills
8 3 (1.90%) Financial Institution
9 2 (1.27%) Inclusion and Diversity
9 2 (1.27%) Investment Banking
9 2 (1.27%) Organisational Skills
10 1 (0.63%) Documentation Skills
10 1 (0.63%) Legal
10 1 (0.63%) Pharmaceutical
10 1 (0.63%) Retail
Job Titles
1 26 (16.46%) Architect
2 22 (13.92%) Security Engineer
3 21 (13.29%) Infrastructure Engineer
4 16 (10.13%) DevOps Engineer
5 15 (9.49%) Security Architect
6 11 (6.96%) Consultant
7 10 (6.33%) AWS Architect
7 10 (6.33%) Design Engineer
8 9 (5.70%) Support Engineer
8 9 (5.70%) Telecoms Engineer
8 9 (5.70%) Unix Engineer
8 9 (5.70%) Unix Security Engineer
8 9 (5.70%) VMware Engineer
9 8 (5.06%) Azure Architect
9 8 (5.06%) Developer
10 7 (4.43%) Analyst
10 7 (4.43%) Cybersecurity Engineer
10 7 (4.43%) Infrastructure Architect
10 7 (4.43%) Security Analyst
10 7 (4.43%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 26 (16.46%) OAuth
2 16 (10.13%) OAuth2
3 12 (7.59%) cloud-init
4 10 (6.33%) LDAP
5 9 (5.70%) REST
5 9 (5.70%) SAML
6 7 (4.43%) OpenID
7 6 (3.80%) Elastic Stack
7 6 (3.80%) Kafka
7 6 (3.80%) Web Services
8 5 (3.16%) Spring Boot
9 4 (2.53%) Spring
10 3 (1.90%) Hibernate
10 3 (1.90%) JPA
10 3 (1.90%) JWT
10 3 (1.90%) RESTful
10 3 (1.90%) XSLT
11 2 (1.27%) 802.1X
11 2 (1.27%) JSON Web Signature
11 2 (1.27%) LAPP Stack
Miscellaneous
1 23 (14.56%) Private Cloud
2 17 (10.76%) Clustering
2 17 (10.76%) Replication
3 14 (8.86%) Hybrid Cloud
4 11 (6.96%) Data Centre
5 10 (6.33%) Management Information System
6 7 (4.43%) Public Cloud
7 4 (2.53%) Blackberry
7 4 (2.53%) Cloud Native
7 4 (2.53%) DataPower
7 4 (2.53%) Enterprise Software
7 4 (2.53%) Enterprise Storage
8 3 (1.90%) Foreign Exchange (FX)
8 3 (1.90%) Greenfield Project
9 2 (1.27%) Algorithms
9 2 (1.27%) BYOD
9 2 (1.27%) Distributed Denial-of-Service
9 2 (1.27%) Legacy Code
9 2 (1.27%) Virtual Team
10 1 (0.63%) Legacy Applications
Operating Systems
1 64 (40.51%) Windows
2 63 (39.87%) Linux
3 36 (22.78%) Windows Server
4 25 (15.82%) Red Hat Enterprise Linux
5 20 (12.66%) Unix
6 15 (9.49%) CentOS
7 10 (6.33%) Windows 10
7 10 (6.33%) Windows Server 2016
8 9 (5.70%) Android
8 9 (5.70%) Apple iOS
8 9 (5.70%) Windows Server 2012
9 7 (4.43%) Windows Server 2019
10 6 (3.80%) HPUX
10 6 (3.80%) Mac OS
10 6 (3.80%) Windows 7
11 4 (2.53%) Oracle Linux
12 3 (1.90%) Ubuntu
13 2 (1.27%) VMS
14 1 (0.63%) Windows Server 2008
Processes & Methodologies
1 37 (23.42%) DevOps
2 29 (18.35%) CI/CD
2 29 (18.35%) Data Loss Prevention
3 28 (17.72%) Cybersecurity
4 27 (17.09%) Load Balancing
5 25 (15.82%) Agile
5 25 (15.82%) Identity Access Management
6 23 (14.56%) Infrastructure Engineering
7 22 (13.92%) Vulnerability Management
8 21 (13.29%) Configuration Management
9 19 (12.03%) Infrastructure as Code
9 19 (12.03%) Migration
10 18 (11.39%) Application Security
11 17 (10.76%) Key Management
11 17 (10.76%) Penetration Testing
11 17 (10.76%) Problem-Solving
12 15 (9.49%) Password Management
12 15 (9.49%) Zero Trust
13 14 (8.86%) Business Continuity
13 14 (8.86%) Information Security
Programming Languages
1 41 (25.95%) PowerShell
2 39 (24.68%) Python
3 18 (11.39%) SQL
4 17 (10.76%) Bash
4 17 (10.76%) Java
5 13 (8.23%) Go
6 11 (6.96%) Ruby
7 7 (4.43%) JavaScript
8 5 (3.16%) C#
8 5 (3.16%) C++
9 3 (1.90%) PL/SQL
9 3 (1.90%) VB
10 2 (1.27%) PHP
10 2 (1.27%) Shell Script
11 1 (0.63%) Perl
Qualifications
1 23 (14.56%) Security Cleared
2 18 (11.39%) SC Cleared
3 9 (5.70%) CISSP
4 8 (5.06%) Degree
4 8 (5.06%) DV Cleared
5 7 (4.43%) Microsoft Certification
6 5 (3.16%) CCIE
6 5 (3.16%) CCIE Security
6 5 (3.16%) Cisco Certification
7 3 (1.90%) MCP
7 3 (1.90%) MCTS
8 2 (1.27%) CEH
8 2 (1.27%) CISA
8 2 (1.27%) CISM
8 2 (1.27%) GIAC
8 2 (1.27%) MCSE
9 1 (0.63%) CTC Cleared
9 1 (0.63%) MCSA
9 1 (0.63%) Postgraduate
9 1 (0.63%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 14 (8.86%) NCSC
2 9 (5.70%) ISO/IEC 27001
3 6 (3.80%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 4 (2.53%) SLA
5 3 (1.90%) Accessibility
5 3 (1.90%) GDPR
5 3 (1.90%) NIST
6 2 (1.27%) Cyber Essentials
6 2 (1.27%) OASIS TOSCA
7 1 (0.63%) Disclosure Scotland
7 1 (0.63%) NIST 800
7 1 (0.63%) WCAG
System Software
1 69 (43.67%) Active Directory
2 43 (27.22%) VMware Infrastructure
3 36 (22.78%) Docker
4 15 (9.49%) vCloud
4 15 (9.49%) VMware Workstation
5 9 (5.70%) vSphere
6 6 (3.80%) Hyper-V
6 6 (3.80%) Terminal Services
6 6 (3.80%) Virtual Desktop
6 6 (3.80%) XenApp
7 5 (3.16%) Active Directory Lightweight Directory Services
7 5 (3.16%) BitLocker
8 4 (2.53%) NFS
8 4 (2.53%) VMware NSX
9 2 (1.27%) Apache ZooKeeper
9 2 (1.27%) Microsoft Virtual Server
9 2 (1.27%) Virtual Machines
9 2 (1.27%) Virtual Servers
9 2 (1.27%) VMware ESXi
9 2 (1.27%) XenDesktop
Systems Management
1 40 (25.32%) Kubernetes
2 36 (22.78%) Terraform
3 34 (21.52%) Ansible
4 30 (18.99%) Active Directory Federation Services
4 30 (18.99%) SCCM
5 20 (12.66%) Microsoft Intune
6 19 (12.03%) Single Sign-On
7 14 (8.86%) Istio
7 14 (8.86%) Prometheus
7 14 (8.86%) ZABBIX
8 13 (8.23%) Consul
8 13 (8.23%) HAProxy
8 13 (8.23%) Packer
9 12 (7.59%) Docker Swarm
9 12 (7.59%) Graphite
9 12 (7.59%) Podman
9 12 (7.59%) Puppet
10 11 (6.96%) linkerd
11 6 (3.80%) SCOrch
12 5 (3.16%) OfficeScan
Vendors
1 72 (45.57%) Microsoft
2 56 (35.44%) VMware
3 25 (15.82%) Cisco
4 18 (11.39%) CA
4 18 (11.39%) Oracle
5 16 (10.13%) Citrix
5 16 (10.13%) IBM
6 14 (8.86%) Dell
6 14 (8.86%) Splunk
7 12 (7.59%) NetApp
7 12 (7.59%) PagerDuty
8 10 (6.33%) McAfee
8 10 (6.33%) Red Hat
9 9 (5.70%) HP
10 8 (5.06%) ServiceNow
10 8 (5.06%) Zscaler
11 6 (3.80%) BeyondTrust
11 6 (3.80%) Darktrace
11 6 (3.80%) LogRhythm
11 6 (3.80%) SolarWinds