The following table provides summary statistics for contract job vacancies advertised in Rickmansworth with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 3 months to 23 June 2017 with a comparison to the same period in 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.

Linux
Hertfordshire / Rickmansworth
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 6 5 -
Rank change year-on-year -1 -  
Contract jobs citing Linux 2 3 0
As % of all contract IT jobs advertised in Rickmansworth 8.00% 12.00% -
As % of the Operating Systems category 50.00% 75.00% -
Number of daily rates quoted 1 1 0
Median daily rate £525 £425 -
Median daily rate % change year-on-year +23.52% -  
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.66%  

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Rickmansworth with a requirement for operating system skills.

Contract Operating System Skills
Rickmansworth
Contract job vacancies with a requirement for operating system skills 4 4 0
As % of all contract IT job vacancies advertised in Rickmansworth 16.00% 16.00% -
Number of daily rates quoted 1 2 0
Median daily rate £525 £153 -
Median daily rate % change year-on-year +244.26% -  
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 0 0
Median hourly rate £14.00 - -
UK excluding London median hourly rate £15.50 £16.50 £16.20
% change year-on-year -6.06% +1.85%  

Linux
Job Vacancy Trend in Rickmansworth

The job posting trend of jobs advertised in Rickmansworth citing Linux as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Rickmansworth

Linux
Contractor Daily Rate Trend in Rickmansworth

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in Rickmansworth.

Contractor daily rate trend for Linux in Rickmansworth

For the 6 months to 23 June 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Rickmansworth region with a requirement for Linux.

1 3 (100.00%) Unix
2 2 (66.67%) Solaris
2 2 (66.67%) Non-Functional Testing
2 2 (66.67%) Java
2 2 (66.67%) Test Strategy
2 2 (66.67%) Scrum
2 2 (66.67%) Agile Software Development
3 1 (33.33%) TDD
3 1 (33.33%) Spring
3 1 (33.33%) Maven
3 1 (33.33%) Software Testing
3 1 (33.33%) JIRA
3 1 (33.33%) QA
3 1 (33.33%) Selenium
3 1 (33.33%) Atlassian
3 1 (33.33%) Test Scripting
3 1 (33.33%) Atlassian Bamboo
3 1 (33.33%) Continuous Integration
3 1 (33.33%) Kanban
3 1 (33.33%) TeamCity
3 1 (33.33%) Git (software)
3 1 (33.33%) Test Automation
3 1 (33.33%) RESTful
3 1 (33.33%) Amazon AWS
3 1 (33.33%) JBehave
3 1 (33.33%) WebDriver
3 1 (33.33%) Open Source
3 1 (33.33%) Confluence
3 1 (33.33%) Moq
3 1 (33.33%) Mockito

Linux
Co-occurring IT Skills in Rickmansworth 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%) Apache
1 1 (33.33%) Confluence
1 1 (33.33%) Tomcat
Cloud Services
1 1 (33.33%) Amazon AWS
Database & Business Intelligence
1 1 (33.33%) MySQL
1 1 (33.33%) PostgreSQL
Development Applications
1 1 (33.33%) Atlassian Bamboo
1 1 (33.33%) Cucumber
1 1 (33.33%) Git (software)
1 1 (33.33%) JBehave
1 1 (33.33%) Jenkins
1 1 (33.33%) JIRA
1 1 (33.33%) JUnit
1 1 (33.33%) LoadRunner
1 1 (33.33%) Maven
1 1 (33.33%) Mockito
1 1 (33.33%) Moq
1 1 (33.33%) Selenium
1 1 (33.33%) SoapUI
1 1 (33.33%) TeamCity
1 1 (33.33%) WebDriver
Job Titles
1 1 (33.33%) Agile Tester
1 1 (33.33%) Automation Tester
1 1 (33.33%) Java Automation Tester
1 1 (33.33%) Selenium Automation Tester
1 1 (33.33%) Selenium Tester
1 1 (33.33%) Test Leader
1 1 (33.33%) Tester
Libraries, Frameworks & Software Standards
1 1 (33.33%) Gherkin
1 1 (33.33%) Hibernate
1 1 (33.33%) RESTful
1 1 (33.33%) Spring
Operating Systems
1 3 (100.00%) Unix
2 2 (66.67%) Solaris
3 1 (33.33%) OpenVMS
Processes & Methodologies
1 2 (66.67%) Agile Software Development
1 2 (66.67%) Non-Functional Testing
1 2 (66.67%) Scrum
1 2 (66.67%) Test Strategy
2 1 (33.33%) ATDD
2 1 (33.33%) BDD
2 1 (33.33%) Configuration Management
2 1 (33.33%) Continuous Delivery
2 1 (33.33%) Continuous Integration
2 1 (33.33%) DevOps
2 1 (33.33%) High Availability
2 1 (33.33%) Kanban
2 1 (33.33%) Open Source
2 1 (33.33%) Regression Testing
2 1 (33.33%) SDET
2 1 (33.33%) Software Testing
2 1 (33.33%) TDD
2 1 (33.33%) Test Automation
2 1 (33.33%) Test Scripting
Programming Languages
1 2 (66.67%) Java
2 1 (33.33%) Shell Script
Quality Assurance & Compliance
1 1 (33.33%) QA
System Software
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Ansible
Vendors
1 1 (33.33%) Atlassian