The following table provides summary statistics for contract job vacancies advertised in Watford 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 25 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 / Watford
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 20 19 15
Rank change year-on-year -1 -4  
Contract jobs citing Linux 7 4 17
As % of all contract IT jobs advertised in Watford 4.40% 2.96% 10.63%
As % of the Operating Systems category 18.42% 16.67% 30.36%
Number of daily rates quoted 5 2 8
Median daily rate £425 £258 £363
Median daily rate % change year-on-year +65.04% -28.96%  
90% offered a daily rate of more than £350 £248 £313
10% offered a daily rate of more than £550 £268 £425
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 Watford with a requirement for operating system skills.

Contract Operating System Skills
Watford
Contract job vacancies with a requirement for operating system skills 38 24 56
As % of all contract IT job vacancies advertised in Watford 23.90% 17.78% 35.00%
Number of daily rates quoted 22 10 18
Median daily rate £350 £210 £313
Median daily rate % change year-on-year +66.66% -32.80%  
90% offered a daily rate of more than £130 £110 £175
10% offered a daily rate of more than £550 £450 £425
UK excluding London median daily rate £375 £363 £345
% change year-on-year +3.44% +5.07%  
Number of hourly rates quoted 3 1 2
Median hourly rate £14.50 £13.00 £15.00
Median hourly rate % change year-on-year +11.53% -13.33%  
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

Linux
Job Vacancy Trend in Watford

The job posting trend of jobs advertised in Watford 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 Watford

Linux
Contractor Daily Rate Trend in Watford

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

Contractor daily rate trend for Linux in Watford

Linux
Contractor Daily Rate Histogram in Watford

The daily rate distribution of IT jobs citing Linux in Watford over the 3 months to 25 June 2017.

Contractor daily rate histogram for Linux in Watford

Linux
Contractor Hourly Rate Trend in Watford

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in Watford.

Contractor hourly rate trend for Linux in Watford

For the 6 months to 25 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 Watford region with a requirement for Linux.

1 10 (66.67%) Windows
1 10 (66.67%) Finance
2 9 (60.00%) Spring
2 9 (60.00%) JSP
2 9 (60.00%) Java
2 9 (60.00%) SQL
2 9 (60.00%) Web Services
3 8 (53.33%) Sybase
3 8 (53.33%) T-SQL
3 8 (53.33%) J2EE
3 8 (53.33%) JavaScript
3 8 (53.33%) C
3 8 (53.33%) Hibernate
3 8 (53.33%) Sybase ASE
3 8 (53.33%) MongoDB
3 8 (53.33%) AngularJS
4 7 (46.67%) PostgreSQL
4 7 (46.67%) Crystal Reports
5 5 (33.33%) Git (software)
5 5 (33.33%) Microservices
5 5 (33.33%) DevOps
5 5 (33.33%) Spring Boot
6 4 (26.67%) Elasticsearch
6 4 (26.67%) Ansible
6 4 (26.67%) Docker
6 4 (26.67%) Amazon AWS
6 4 (26.67%) Jenkins
6 4 (26.67%) C#
6 4 (26.67%) .NET
7 3 (20.00%) Configuration Management

Linux
Co-occurring IT Skills in Watford 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 4 (26.67%) Elasticsearch
2 3 (20.00%) Confluence
3 1 (6.67%) Apache
3 1 (6.67%) MQSeries
3 1 (6.67%) Tomcat
Cloud Services
1 4 (26.67%) Amazon AWS
2 3 (20.00%) AWS CloudFormation
2 3 (20.00%) AWS Lambda
Communications & Networking
1 1 (6.67%) Internet
Database & Business Intelligence
1 8 (53.33%) MongoDB
1 8 (53.33%) Sybase ASE
2 7 (46.67%) Crystal Reports
2 7 (46.67%) PostgreSQL
3 3 (20.00%) Amazon DynamoDB
4 1 (6.67%) MySQL
Development Applications
1 5 (33.33%) Git (software)
2 4 (26.67%) Jenkins
3 3 (20.00%) Bitbucket
3 3 (20.00%) JIRA
4 2 (13.33%) JUnit
5 1 (6.67%) Eclipse
5 1 (6.67%) GCC
5 1 (6.67%) JMeter
5 1 (6.67%) jMock
5 1 (6.67%) Log4j
5 1 (6.67%) Maven
5 1 (6.67%) Mockito
5 1 (6.67%) Selenium
5 1 (6.67%) SonarQube
5 1 (6.67%) Subversion
5 1 (6.67%) Talend Open Studio
General
1 10 (66.67%) Finance
2 1 (6.67%) Games
Job Titles
1 9 (60.00%) Developer
2 8 (53.33%) Java Developer
3 4 (26.67%) DevOps Engineer
4 3 (20.00%) AWS DevOps
5 2 (13.33%) AWS DevOps Engineer
5 2 (13.33%) AWS Engineer
5 2 (13.33%) Java Engineer
6 1 (6.67%) Angular Developer
6 1 (6.67%) AWS Expert
6 1 (6.67%) C Developer
6 1 (6.67%) Junior
6 1 (6.67%) Junior DevOps
6 1 (6.67%) Junior DevOps Engineer
6 1 (6.67%) Linux/Unix DevOps
6 1 (6.67%) Software Developer
6 1 (6.67%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (60.00%) JSP
1 9 (60.00%) Spring
1 9 (60.00%) Web Services
2 8 (53.33%) AngularJS
2 8 (53.33%) Hibernate
2 8 (53.33%) J2EE
3 5 (33.33%) Spring Boot
4 4 (26.67%) .NET
5 2 (13.33%) REST
6 1 (6.67%) Apache Camel
6 1 (6.67%) EJB
6 1 (6.67%) HTML
6 1 (6.67%) HTML5
6 1 (6.67%) JDBC
6 1 (6.67%) SOAP
6 1 (6.67%) Spring Security
6 1 (6.67%) Twitter Bootstrap
6 1 (6.67%) XML
6 1 (6.67%) XSD
6 1 (6.67%) XSLT
Miscellaneous
1 1 (6.67%) Embedded Systems
Operating Systems
1 10 (66.67%) Windows
2 3 (20.00%) CentOS
2 3 (20.00%) Red Hat Enterprise Linux
2 3 (20.00%) Ubuntu
2 3 (20.00%) Unix
3 1 (6.67%) HPUX
3 1 (6.67%) Mac OS
3 1 (6.67%) Solaris
Processes & Methodologies
1 5 (33.33%) DevOps
1 5 (33.33%) Microservices
2 3 (20.00%) Agile Software Development
2 3 (20.00%) Application Performance Management
2 3 (20.00%) Configuration Management
2 3 (20.00%) Continuous Integration
2 3 (20.00%) Performance Management
2 3 (20.00%) Task Automation
3 2 (13.33%) Kanban
4 1 (6.67%) BDD
4 1 (6.67%) Dependency Management
4 1 (6.67%) E-Commerce
4 1 (6.67%) ETL
4 1 (6.67%) MVC
4 1 (6.67%) Open Source
4 1 (6.67%) RAD
4 1 (6.67%) Scrum
4 1 (6.67%) Software Engineering
4 1 (6.67%) TDD
4 1 (6.67%) Unit Testing
Programming Languages
1 9 (60.00%) Java
1 9 (60.00%) SQL
2 8 (53.33%) C
2 8 (53.33%) JavaScript
2 8 (53.33%) T-SQL
3 4 (26.67%) C#
4 3 (20.00%) Python
5 1 (6.67%) PowerShell
System Software
1 4 (26.67%) Docker
Systems Management
1 4 (26.67%) Ansible
2 3 (20.00%) Kubernetes
2 3 (20.00%) Pingdom
3 1 (6.67%) Opscode Chef
3 1 (6.67%) Puppet
Vendors
1 8 (53.33%) Sybase
2 3 (20.00%) AppDynamics
2 3 (20.00%) Atlassian
2 3 (20.00%) PagerDuty
3 1 (6.67%) IBM
3 1 (6.67%) Talend