The following table provides summary statistics for permanent job vacancies advertised in Portsmouth with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 3 months to 23 April 2017 with a comparison to the same period in the previous 2 years.

Open Source
Hampshire / Portsmouth
3 months to
23 Apr 2017
Same period 2016 Same period 2015
Rank 40 41 31
Rank change year-on-year +1 -10  
Permanent jobs citing Open Source 17 8 22
As % of all permanent IT jobs advertised in Portsmouth 4.66% 3.21% 7.72%
As % of the Processes & Methodologies category 5.21% 3.94% 9.17%
Number of salaries quoted 17 8 22
Median salary £42,500 £41,750 £45,000
Median salary % change year-on-year +1.79% -7.22%  
UK excluding London median salary £45,000 £45,000 £45,000

Open Source is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Portsmouth with a requirement for process and methodology skills.

Process & Methodology Skills
Portsmouth
Permanent job vacancies with a requirement for process and methodology skills 326 203 240
As % of all permanent IT job vacancies advertised in Portsmouth 89.32% 81.53% 84.21%
Number of salaries quoted 292 188 220
Median salary £42,500 £42,500 £45,000
Median salary % change year-on-year - -5.55%  
90% offered a salary of more than £28,500 £30,000 £26,500
10% offered a salary of more than £55,000 £57,500 £52,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Open Source
Job Vacancy Trend in Portsmouth

The job posting trend of jobs advertised in Portsmouth citing Open Source as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Portsmouth

Open Source
Salary Trend in Portsmouth

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in Portsmouth.

Salary trend for Open Source in Portsmouth

Open Source
Salary Histogram in Portsmouth

The salary distribution of IT jobs citing Open Source in Portsmouth over the 3 months to 23 April 2017.

Salary histogram for Open Source in Portsmouth

For the 6 months to 23 April 2017, IT jobs citing Open Source 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 Portsmouth region with a requirement for Open Source.

1 13 (43.33%) TDD
2 12 (40.00%) JavaScript
3 10 (33.33%) Agile Software Development
3 10 (33.33%) Opscode Chef
4 9 (30.00%) nginx
4 9 (30.00%) Puppet
4 9 (30.00%) DevOps
4 9 (30.00%) Configuration Management
4 9 (30.00%) HTML
4 9 (30.00%) Linux
4 9 (30.00%) MySQL
5 8 (26.67%) Ruby
5 8 (26.67%) logstash
5 8 (26.67%) Galera Cluster
5 8 (26.67%) Apache Solr
6 7 (23.33%) BDD
6 7 (23.33%) CFEngine
6 7 (23.33%) Big Data
6 7 (23.33%) React
6 7 (23.33%) Ruby on Rails
6 7 (23.33%) Python
6 7 (23.33%) SQL
7 6 (20.00%) Business Intelligence
7 6 (20.00%) Django
7 6 (20.00%) Degree
7 6 (20.00%) Computer Science
7 6 (20.00%) User Experience
7 6 (20.00%) Elasticsearch
7 6 (20.00%) MapReduce
8 5 (16.67%) Hadoop

Open Source
Co-occurring IT Skills in Portsmouth 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 9 (30.00%) nginx
2 8 (26.67%) Apache Solr
3 6 (20.00%) Elasticsearch
4 2 (6.67%) SAS
5 1 (3.33%) Apache Spark
Cloud Services
1 4 (13.33%) Datadog
1 4 (13.33%) GitHub
Communications & Networking
1 4 (13.33%) Firewall
1 4 (13.33%) Internet
Database & Business Intelligence
1 9 (30.00%) MySQL
2 7 (23.33%) Big Data
3 5 (16.67%) Hadoop
4 1 (3.33%) PostgreSQL
Development Applications
1 4 (13.33%) Bitbucket
2 1 (3.33%) Jenkins
2 1 (3.33%) Selenium
General
1 4 (13.33%) Marketing
Job Titles
1 13 (43.33%) Developer
2 8 (26.67%) Head of DevOps
2 8 (26.67%) Head of Infrastructure
3 7 (23.33%) Ruby Developer
3 7 (23.33%) Ruby on Rails Developer
4 6 (20.00%) Linux/Unix DevOps
5 4 (13.33%) Python Developer
6 3 (10.00%) Chief Technical Officer
6 3 (10.00%) DevOps Manager
6 3 (10.00%) Infrastructure Manager
7 2 (6.67%) Data Scientist
7 2 (6.67%) Junior
7 2 (6.67%) Junior Developer
7 2 (6.67%) Junior Python Developer
7 2 (6.67%) Trainee
7 2 (6.67%) Trainee Developer
8 1 (3.33%) Chief Technology Officer
8 1 (3.33%) Linux Engineer
8 1 (3.33%) PHP Developer
8 1 (3.33%) Software Tester
Libraries, Frameworks & Software Standards
1 9 (30.00%) HTML
2 7 (23.33%) React
2 7 (23.33%) Ruby on Rails
3 6 (20.00%) Django
4 4 (13.33%) Celery
4 4 (13.33%) RabbitMQ
5 3 (10.00%) CSS
5 3 (10.00%) D3.js
6 2 (6.67%) Ajax
6 2 (6.67%) jQuery
6 2 (6.67%) NumPy
7 1 (3.33%) Pandas
7 1 (3.33%) Phusion Passenger
7 1 (3.33%) SciPy
7 1 (3.33%) Symfony
Miscellaneous
1 6 (20.00%) Computer Science
1 6 (20.00%) User Experience
2 5 (16.67%) Data Centre
3 2 (6.67%) Algorithms
3 2 (6.67%) Clustering
4 1 (3.33%) Analytical Skills
4 1 (3.33%) Greenfield Project
Operating Systems
1 9 (30.00%) Linux
2 1 (3.33%) Ubuntu
Processes & Methodologies
1 13 (43.33%) TDD
2 10 (33.33%) Agile Software Development
3 9 (30.00%) Configuration Management
3 9 (30.00%) DevOps
4 7 (23.33%) BDD
5 6 (20.00%) Business Intelligence
5 6 (20.00%) MapReduce
6 5 (16.67%) Front End Development
7 4 (13.33%) Artificial Intelligence
7 4 (13.33%) Cybersecurity
7 4 (13.33%) ITIL
7 4 (13.33%) Kalman Filter
7 4 (13.33%) Mentoring
7 4 (13.33%) PRINCE
7 4 (13.33%) Product Management
7 4 (13.33%) Software Engineering
7 4 (13.33%) Stakeholder Engagement
7 4 (13.33%) Threat Management
7 4 (13.33%) Visualisation
7 4 (13.33%) Web Filtering
Programming Languages
1 12 (40.00%) JavaScript
2 8 (26.67%) Ruby
3 7 (23.33%) Python
3 7 (23.33%) SQL
4 3 (10.00%) R
5 1 (3.33%) Bash Shell
5 1 (3.33%) PHP
Qualifications
1 6 (20.00%) Degree
2 4 (13.33%) MBA
3 1 (3.33%) ISTQB
System Software
1 2 (6.67%) Ceph
Systems Management
1 10 (33.33%) Opscode Chef
2 9 (30.00%) Puppet
3 8 (26.67%) Galera Cluster
3 8 (26.67%) logstash
4 7 (23.33%) CFEngine
5 4 (13.33%) ZABBIX
6 3 (10.00%) SmoothWall
7 1 (3.33%) HAProxy
Vendors
1 4 (13.33%) New Relic
2 1 (3.33%) Brocade
2 1 (3.33%) HP
2 1 (3.33%) Percona
2 1 (3.33%) Zend