The table below looks at the prevalence of the term PKI in IT jobs advertised for the City of London region. Included is a guide to the salaries offered in IT jobs that have cited PKI over the 3 months to 28 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 May 2016
Same period 2015 Same period 2014
Public-Key Infrastructure (PKI)
Rank 247 274 334
Rank change year-on-year
+27 +60
Permanent jobs citing PKI 12 36 27
As % of all permanent IT jobs located in the City of London 0.18% 0.35% 0.21%
As % of the Miscellaneous category 0.38% 0.82% 0.45%
Number of salaries quoted 10 21 8
Median salary £53,750 £57,500 £49,250
Median salary % change year-on-year
-6.52% +16.75%
90% offered a salary of more than £42,500 £45,000 £40,950
10% offered a salary of more than £62,750 £90,000 £85,000
UK excluding London median salary £53,000 £49,500 £52,500
% change year-on-year
+7.07% -5.71%
PKI
London

The following table is for comparison with the above and provides statistics for the entire Miscellaneous category in permanent jobs advertised in the City of London region.

Miscellaneous Category
City of London
Permanent IT job ads with a match in the
Miscellaneous category
3129 4394 5981
As % of all permanent IT jobs located in the City of London 47.36% 43.20% 47.01%
Number of salaries quoted 2837 3616 4948
Median salary £57,500 £55,000 £55,000
Median salary % change year-on-year
+4.54% -
90% offered a salary of more than £37,500 £35,000 £34,500
10% offered a salary of more than £82,500 £82,500 £80,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

PKI
Jobs Demand Trend in the City of London

The demand trend of job ads across the City of London region citing PKI as a proportion of all IT jobs with a match in the Miscellaneous category.

PKI Jobs Demand Trend in the City of London

PKI
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing PKI across the City of London region.

PKI Salary Trend in the City of London

PKI
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing PKI across the City of London region over the 3 months to 28 May 2016.

PKI Salary Histogram in the City of London

PKI
Top 30 Related IT Skills in the City of London

For the 6 months to 28 May 2016, IT jobs citing PKI also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for PKI.

1 15 (71.43%) Active Directory
2 11 (52.38%) VMware
2 11 (52.38%) VMware Infrastructure
3 10 (47.62%) Microsoft
4 9 (42.86%) Linux
5 8 (38.10%) Java
5 8 (38.10%) ITIL
5 8 (38.10%) Windows
5 8 (38.10%) DNS
6 7 (33.33%) Configuration Management
6 7 (33.33%) MS Exchange
6 7 (33.33%) Amazon EC2
6 7 (33.33%) Puppet
6 7 (33.33%) Opscode Chef
7 6 (28.57%) DevOps
7 6 (28.57%) Office 365
7 6 (28.57%) Jenkins
7 6 (28.57%) Continuous Integration
7 6 (28.57%) Apache
7 6 (28.57%) DHCP
7 6 (28.57%) SQL Server
7 6 (28.57%) PHP
7 6 (28.57%) Citrix
7 6 (28.57%) Firewall
8 5 (23.81%) Debian
8 5 (23.81%) Agile Software Development
8 5 (23.81%) HP
8 5 (23.81%) SQL
8 5 (23.81%) IIS
8 5 (23.81%) Unix

PKI
Top Related IT Skills in the City of 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 7 (33.33%) MS Exchange
2 6 (28.57%) Apache
3 5 (23.81%) IIS
4 4 (19.05%) Tomcat
5 3 (14.29%) Exchange Server 2010
5 3 (14.29%) GlassFish
6 1 (4.76%) Blackberry Enterprise Server
6 1 (4.76%) Exchange Server 2007
6 1 (4.76%) Exchange Server 2013
6 1 (4.76%) SharePoint
6 1 (4.76%) Skype for Business
Applications
1 2 (9.52%) MS Excel
Business Applications
1 1 (4.76%) SAP Business One
1 1 (4.76%) Unit4 Business World
Cloud Services
1 7 (33.33%) Amazon EC2
2 6 (28.57%) Office 365
3 5 (23.81%) Amazon AWS
3 5 (23.81%) Amazon S3
4 4 (19.05%) Microsoft Azure
4 4 (19.05%) Mimecast
5 3 (14.29%) Amazon CloudWatch
5 3 (14.29%) Amazon SQS
5 3 (14.29%) AWS CloudFormation
5 3 (14.29%) Azure Active Directory
6 2 (9.52%) Datadog
Communications & Networking
1 8 (38.10%) DNS
2 6 (28.57%) DHCP
2 6 (28.57%) Firewall
3 4 (19.05%) IPsec
3 4 (19.05%) IPv6
3 4 (19.05%) LDAP
4 3 (14.29%) HTTP
4 3 (14.29%) Internet
4 3 (14.29%) SSL
5 2 (9.52%) SMS
5 2 (9.52%) SMTP
5 2 (9.52%) SSH
6 1 (4.76%) Fibre Channel
6 1 (4.76%) iSCSI
6 1 (4.76%) Kerberos
6 1 (4.76%) SAN
6 1 (4.76%) TCP/IP
Database & Business Intelligence
1 6 (28.57%) SQL Server
2 3 (14.29%) Amazon RDS
3 2 (9.52%) MySQL
4 1 (4.76%) Big Data
4 1 (4.76%) SQL Server 2008
4 1 (4.76%) SQL Server 2012
Development Applications
1 6 (28.57%) Jenkins
2 5 (23.81%) Git (software)
3 4 (19.05%) TeamCity
4 3 (14.29%) Atlassian Bamboo
5 2 (9.52%) GitLab
5 2 (9.52%) JIRA
5 2 (9.52%) Subversion
6 1 (4.76%) WinDbg
General
1 2 (9.52%) Back Office
1 2 (9.52%) Finance
1 2 (9.52%) Law
2 1 (4.76%) Banking
2 1 (4.76%) Retail
2 1 (4.76%) Retail Banking
2 1 (4.76%) Telecoms
2 1 (4.76%) Wholesale Banking
Job Titles
1 8 (38.10%) Server Engineer
2 3 (14.29%) Applications Engineer
2 3 (14.29%) Cloud Engineer
2 3 (14.29%) DevOps Engineer
3 2 (9.52%) Applications Support
3 2 (9.52%) Applications Support Engineer
3 2 (9.52%) Architect
3 2 (9.52%) Server Support
3 2 (9.52%) Sun Engineer
3 2 (9.52%) Sun Support
3 2 (9.52%) Support Engineer
3 2 (9.52%) Windows Engineer
4 1 (4.76%) Analyst
4 1 (4.76%) Consultant
4 1 (4.76%) Developer
4 1 (4.76%) Infrastructure Analyst
4 1 (4.76%) Infrastructure Engineer
4 1 (4.76%) Solutions Architect
4 1 (4.76%) Systems Analyst
4 1 (4.76%) Technical Architect
Libraries, Frameworks & Software Standards
1 3 (14.29%) Middleware
2 2 (9.52%) LAMP
2 2 (9.52%) RabbitMQ
2 2 (9.52%) Symfony
2 2 (9.52%) WebSockets
3 1 (4.76%) .NET
3 1 (4.76%) ActiveMQ
3 1 (4.76%) Java EE
3 1 (4.76%) OAuth
3 1 (4.76%) SAML
Miscellaneous
1 5 (23.81%) Data Centre
2 4 (19.05%) Private Cloud
3 3 (14.29%) Enterprise Software
4 2 (9.52%) Analytical Skills
4 2 (9.52%) Replication
5 1 (4.76%) Blackberry
5 1 (4.76%) Blockchain
5 1 (4.76%) CLARiiON
5 1 (4.76%) Clustering
5 1 (4.76%) Computer Science
5 1 (4.76%) Cryptography
5 1 (4.76%) EMC VMAX
5 1 (4.76%) EMC VNX
5 1 (4.76%) Management Information System
5 1 (4.76%) VCE vBlock
Operating Systems
1 9 (42.86%) Linux
2 8 (38.10%) Windows
3 5 (23.81%) CentOS
3 5 (23.81%) Debian
3 5 (23.81%) Unix
3 5 (23.81%) Windows Server 2008
4 4 (19.05%) Windows Server 2012
5 3 (14.29%) Solaris
5 3 (14.29%) Ubuntu
5 3 (14.29%) Windows Server
5 3 (14.29%) Windows Server 2003
6 1 (4.76%) VMS
6 1 (4.76%) Windows 10
6 1 (4.76%) Windows 2000
6 1 (4.76%) Windows 7
6 1 (4.76%) Windows NT
Processes & Methodologies
1 8 (38.10%) ITIL
2 7 (33.33%) Configuration Management
3 6 (28.57%) Continuous Integration
3 6 (28.57%) DevOps
4 5 (23.81%) Agile Software Development
5 4 (19.05%) PRINCE2
5 4 (19.05%) Problem Management
5 4 (19.05%) Root Cause Analysis
6 3 (14.29%) Business Intelligence
6 3 (14.29%) Capacity Planning
6 3 (14.29%) Change Control
6 3 (14.29%) Continuous Delivery
6 3 (14.29%) Identity Management
6 3 (14.29%) Release Management
7 2 (9.52%) Disaster Recovery
7 2 (9.52%) Identity Access Management
7 2 (9.52%) Network Monitoring
7 2 (9.52%) Scrum
7 2 (9.52%) Server Building
7 2 (9.52%) Workflow
Programming Languages
1 8 (38.10%) Java
2 6 (28.57%) PHP
3 5 (23.81%) Bash Shell
3 5 (23.81%) PowerShell
3 5 (23.81%) Python
3 5 (23.81%) SQL
4 4 (19.05%) Ruby
5 2 (9.52%) Perl
6 1 (4.76%) JavaScript
6 1 (4.76%) Shell Script
6 1 (4.76%) VB
Qualifications
1 4 (19.05%) CCA
1 4 (19.05%) Citrix Certification
1 4 (19.05%) VMware Certified Professional (VCP)
2 3 (14.29%) AWS Certification
2 3 (14.29%) Degree
2 3 (14.29%) Microsoft Certification
3 2 (9.52%) MCSA
3 2 (9.52%) MCSE
Quality Assurance & Compliance
1 3 (14.29%) QA
System Software
1 15 (71.43%) Active Directory
2 11 (52.38%) VMware Infrastructure
3 5 (23.81%) XenApp
4 3 (14.29%) Squid
5 2 (9.52%) Docker
5 2 (9.52%) Hyper-V
5 2 (9.52%) vCloud
5 2 (9.52%) VMware ESX
5 2 (9.52%) VMware ESXi
5 2 (9.52%) vSphere
5 2 (9.52%) XenDesktop
6 1 (4.76%) Forefront TMG
6 1 (4.76%) ISA Server
6 1 (4.76%) Microsoft App-V
6 1 (4.76%) NFS
6 1 (4.76%) UAG
6 1 (4.76%) Veritas Cluster Server
Systems Management
1 7 (33.33%) Opscode Chef
1 7 (33.33%) Puppet
2 4 (19.05%) Ansible
3 2 (9.52%) Cacti
3 2 (9.52%) Forefront Identity Manager
3 2 (9.52%) Nagios
3 2 (9.52%) Rundeck
3 2 (9.52%) Salt
3 2 (9.52%) SCCM
3 2 (9.52%) SCOM
4 1 (4.76%) SCOrch
4 1 (4.76%) Symantec Endpoint Protection
4 1 (4.76%) Symantec Enterprise Vault
4 1 (4.76%) vMotion
4 1 (4.76%) WMI
Vendors
1 11 (52.38%) VMware
2 10 (47.62%) Microsoft
3 6 (28.57%) Citrix
4 5 (23.81%) HP
5 4 (19.05%) 3PAR
6 3 (14.29%) Red Hat
6 3 (14.29%) Sun
7 2 (9.52%) Akamai
7 2 (9.52%) Cisco
7 2 (9.52%) New Relic
7 2 (9.52%) Percona
7 2 (9.52%) Rackspace
7 2 (9.52%) SaltStack
8 1 (4.76%) Dell
8 1 (4.76%) EMC
8 1 (4.76%) ForgeRock
8 1 (4.76%) IFS
8 1 (4.76%) JD Edwards
8 1 (4.76%) Sage
8 1 (4.76%) Varonis