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 23 June 2017 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
Cambridgeshire / Cambridge
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 122 105 108
Rank change year-on-year -17 +3  
Permanent jobs citing PKI 1 2 4
As % of all permanent IT jobs advertised in Cambridge 0.073% 0.17% 0.27%
As % of the Miscellaneous category 0.14% 0.33% 0.61%
Number of salaries quoted 0 2 0
Median salary - £37,500 -
UK excluding London median salary £50,000 £55,000 £47,500
% change year-on-year -9.09% +15.78%  

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 725 600 657
As % of all permanent IT job vacancies advertised in Cambridge 52.88% 50.85% 44.82%
Number of salaries quoted 553 498 544
Median salary £45,000 £45,000 £43,000
Median salary % change year-on-year - +4.65%  
90% offered a salary of more than £30,000 £27,500 £30,000
10% offered a salary of more than £70,000 £55,000 £65,000
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

For the 6 months to 23 June 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 3 (100.00%) MySQL
1 3 (100.00%) Oracle
1 3 (100.00%) Web Services
1 3 (100.00%) Python
1 3 (100.00%) HTTP
1 3 (100.00%) DNS
1 3 (100.00%) HTTPS
1 3 (100.00%) IPv6
1 3 (100.00%) Internet
1 3 (100.00%) PostgreSQL
1 3 (100.00%) Software Engineering
1 3 (100.00%) Degree
1 3 (100.00%) Computer Science
1 3 (100.00%) Puppet
1 3 (100.00%) MongoDB
1 3 (100.00%) Apache Cassandra
1 3 (100.00%) NoSQL
1 3 (100.00%) Node.js
1 3 (100.00%) Redis
1 3 (100.00%) Opscode Chef
1 3 (100.00%) Ansible
1 3 (100.00%) Docker
1 3 (100.00%) DevOps
1 3 (100.00%) Internet of Things
1 3 (100.00%) Virtual Machines
1 3 (100.00%) Smart Home
2 2 (66.67%) Service Design
2 2 (66.67%) Front End Development
2 2 (66.67%) User Experience
2 2 (66.67%) REST

PKI
Co-occurring 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 (33.33%) Elasticsearch
Cloud Services
1 2 (66.67%) SaaS
2 1 (33.33%) Amazon AWS
Communications & Networking
1 3 (100.00%) DNS
1 3 (100.00%) HTTP
1 3 (100.00%) HTTPS
1 3 (100.00%) Internet
1 3 (100.00%) IPv6
2 2 (66.67%) AMQP
Database & Business Intelligence
1 3 (100.00%) Apache Cassandra
1 3 (100.00%) MongoDB
1 3 (100.00%) MySQL
1 3 (100.00%) NoSQL
1 3 (100.00%) PostgreSQL
1 3 (100.00%) Redis
Development Applications
1 1 (33.33%) Jenkins
Job Titles
1 3 (100.00%) DevOps Engineer
2 2 (66.67%) Cloud Engineer
2 2 (66.67%) Cloud Software Engineer
2 2 (66.67%) Java Engineer
2 2 (66.67%) Java Software Engineer
2 2 (66.67%) NoSQL Engineer
2 2 (66.67%) Python Software Engineer
2 2 (66.67%) Software Engineer
Libraries, Frameworks & Software Standards
1 3 (100.00%) Node.js
1 3 (100.00%) Web Services
2 2 (66.67%) .NET
2 2 (66.67%) RabbitMQ
2 2 (66.67%) REST
3 1 (33.33%) Elastic Stack
Miscellaneous
1 3 (100.00%) Computer Science
1 3 (100.00%) Internet of Things
1 3 (100.00%) Smart Home
2 2 (66.67%) User Experience
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 3 (100.00%) DevOps
1 3 (100.00%) Software Engineering
2 2 (66.67%) Continuous Integration
2 2 (66.67%) Front End Development
2 2 (66.67%) Service Design
Programming Languages
1 3 (100.00%) Python
2 2 (66.67%) Java
3 1 (33.33%) Bash Shell
3 1 (33.33%) JavaScript
Qualifications
1 3 (100.00%) Degree
System Software
1 3 (100.00%) Docker
1 3 (100.00%) Virtual Machines
Systems Management
1 3 (100.00%) Ansible
1 3 (100.00%) Opscode Chef
1 3 (100.00%) Puppet
2 1 (33.33%) Consul
2 1 (33.33%) Grafana
2 1 (33.33%) Graphite
2 1 (33.33%) Kibana
2 1 (33.33%) logstash
2 1 (33.33%) Packer
2 1 (33.33%) Terraform
Vendors
1 3 (100.00%) Oracle