The table below looks at the prevalence of the term PKI in permanent job vacancies advertised in Cambridge. Included is a benchmarking guide to the salaries offered in vacancies that have cited PKI over the 3 months to 27 March 2017 with a comparison to the same period over the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Public-Key Infrastructure (PKI)
Cambridgeshire / Cambridge
Rank 110 98 107
Rank change year-on-year -12 +9  
Permanent jobs citing PKI 2 18 4
As % of all permanent IT jobs advertised in Cambridge 0.17% 1.21% 0.27%
As % of the Miscellaneous category 0.32% 2.70% 0.59%
Number of salaries quoted 0 7 4
Median salary - £22,000 £45,000
Median salary % change year-on-year - -51.11%  
UK excluding London median salary £54,000 £50,000 £50,000
% change year-on-year +8.00% -  

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

Generic IT Skills
Cambridge
Permanent job vacancies with a requirement for generic IT skills 617 666 680
As % of all permanent IT job vacancies advertised in Cambridge 50.99% 44.88% 45.95%
Number of salaries quoted 450 484 531
Median salary £45,000 £42,500 £43,900
Median salary % change year-on-year +5.88% -3.18%  
90% offered a salary of more than £28,000 £30,000 £27,500
10% offered a salary of more than £60,000 £60,000 £62,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

PKI
Job Vacancy Trend in Cambridge

The job posting trend of jobs advertised in Cambridge citing PKI as a proportion of all permanent or contract IT jobs with a match in the Miscellaneous category.

Job vacancy trend for PKI in Cambridge

PKI
Salary Trend in Cambridge

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing PKI in Cambridge.

Salary trend for PKI in Cambridge

PKI
Top 30 Related IT Skills in Cambridge

For the 6 months to 27 March 2017, 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 Cambridge region with a requirement for PKI.

1 2 (100.00%) MySQL
1 2 (100.00%) Oracle
1 2 (100.00%) Web Services
1 2 (100.00%) Python
1 2 (100.00%) HTTP
1 2 (100.00%) DNS
1 2 (100.00%) HTTPS
1 2 (100.00%) IPv6
1 2 (100.00%) Internet
1 2 (100.00%) Software Engineering
1 2 (100.00%) Degree
1 2 (100.00%) Computer Science
1 2 (100.00%) PostgreSQL
1 2 (100.00%) Puppet
1 2 (100.00%) MongoDB
1 2 (100.00%) Apache Cassandra
1 2 (100.00%) NoSQL
1 2 (100.00%) Node.js
1 2 (100.00%) Redis
1 2 (100.00%) Opscode Chef
1 2 (100.00%) Ansible
1 2 (100.00%) Docker
1 2 (100.00%) Internet of Things
1 2 (100.00%) DevOps
1 2 (100.00%) Virtual Machines
1 2 (100.00%) Smart Home
2 1 (50.00%) Consul
2 1 (50.00%) Kibana
2 1 (50.00%) Elasticsearch
2 1 (50.00%) User Experience

PKI
Top Related IT Skills in Cambridge 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 1 (50.00%) Elasticsearch
Cloud Services
1 1 (50.00%) Amazon AWS
1 1 (50.00%) SaaS
Communications & Networking
1 2 (100.00%) DNS
1 2 (100.00%) HTTP
1 2 (100.00%) HTTPS
1 2 (100.00%) Internet
1 2 (100.00%) IPv6
2 1 (50.00%) AMQP
Database & Business Intelligence
1 2 (100.00%) Apache Cassandra
1 2 (100.00%) MongoDB
1 2 (100.00%) MySQL
1 2 (100.00%) NoSQL
1 2 (100.00%) PostgreSQL
1 2 (100.00%) Redis
Development Applications
1 1 (50.00%) Jenkins
Job Titles
1 2 (100.00%) DevOps Engineer
2 1 (50.00%) Cloud Engineer
2 1 (50.00%) Cloud Software Engineer
2 1 (50.00%) Java Engineer
2 1 (50.00%) Java Software Engineer
2 1 (50.00%) NoSQL Engineer
2 1 (50.00%) Python Software Engineer
2 1 (50.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 2 (100.00%) Node.js
1 2 (100.00%) Web Services
2 1 (50.00%) .NET
2 1 (50.00%) Elastic Stack
2 1 (50.00%) RabbitMQ
2 1 (50.00%) REST
Miscellaneous
1 2 (100.00%) Computer Science
1 2 (100.00%) Internet of Things
1 2 (100.00%) Smart Home
2 1 (50.00%) User Experience
Operating Systems
1 1 (50.00%) Linux
Processes & Methodologies
1 2 (100.00%) DevOps
1 2 (100.00%) Software Engineering
2 1 (50.00%) Continuous Integration
2 1 (50.00%) Front End Development
2 1 (50.00%) Service Design
Programming Languages
1 2 (100.00%) Python
2 1 (50.00%) Bash Shell
2 1 (50.00%) Java
2 1 (50.00%) JavaScript
Qualifications
1 2 (100.00%) Degree
System Software
1 2 (100.00%) Docker
1 2 (100.00%) Virtual Machines
Systems Management
1 2 (100.00%) Ansible
1 2 (100.00%) Opscode Chef
1 2 (100.00%) Puppet
2 1 (50.00%) Consul
2 1 (50.00%) Grafana
2 1 (50.00%) Graphite
2 1 (50.00%) Kibana
2 1 (50.00%) logstash
2 1 (50.00%) Packer
2 1 (50.00%) Terraform
Vendors
1 2 (100.00%) Oracle