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 24 March 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Linux
Hertfordshire / Watford
Rank 15 16 19
Rank change year-on-year +1 +3  
Contract jobs citing Linux 8 6 8
As % of all contract IT jobs advertised in Watford 6.61% 6.25% 6.45%
As % of the Operating Systems category 28.57% 25.00% 16.33%
Number of daily rates quoted 6 1 4
Median daily rate £350 £275 £331
Median daily rate % change year-on-year +27.27% -16.98%  
90% offered a daily rate of more than £308 £275 £245
10% offered a daily rate of more than £550 £275 £416
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £37.50 -
UK excluding London median hourly rate £38.88 £43.00 £36.00
% change year-on-year -9.59% +19.44%  

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 28 24 49
As % of all contract IT job vacancies advertised in Watford 23.14% 25.00% 39.52%
Number of daily rates quoted 14 7 13
Median daily rate £308 £325 £400
Median daily rate % change year-on-year -5.38% -18.75%  
90% offered a daily rate of more than £129 £192 £243
10% offered a daily rate of more than £550 £550 £475
UK excluding London median daily rate £388 £363 £338
% change year-on-year +6.89% +7.40%  
Number of hourly rates quoted 4 3 7
Median hourly rate £14.50 £26.00 £18.50
Median hourly rate % change year-on-year -44.23% +40.54%  
UK excluding London median hourly rate £15.25 £16.50 £15.50
% change year-on-year -7.57% +6.45%  

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 24 March 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 hourly rates quoted in IT contractor jobs citing Linux in Watford.

Contractor hourly rate trend for Linux in Watford

Linux
Top 30 Related IT Skills in Watford

For the 6 months to 24 March 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 8 (53.33%) Web Services
1 8 (53.33%) DevOps
2 6 (40.00%) Ansible
2 6 (40.00%) Java
2 6 (40.00%) JavaScript
2 6 (40.00%) J2EE
2 6 (40.00%) Windows
2 6 (40.00%) Finance
2 6 (40.00%) Amazon AWS
2 6 (40.00%) Jenkins
3 5 (33.33%) MongoDB
3 5 (33.33%) Spring
3 5 (33.33%) Sybase ASE
3 5 (33.33%) Sybase
3 5 (33.33%) Crystal Reports
3 5 (33.33%) JSP
3 5 (33.33%) SQL
3 5 (33.33%) T-SQL
3 5 (33.33%) C
3 5 (33.33%) PostgreSQL
3 5 (33.33%) Hibernate
3 5 (33.33%) AngularJS
4 4 (26.67%) Puppet
5 3 (20.00%) Continuous Integration
5 3 (20.00%) Ubuntu
5 3 (20.00%) CentOS
5 3 (20.00%) Red Hat Enterprise Linux
5 3 (20.00%) C#
5 3 (20.00%) .NET
5 3 (20.00%) Docker

Linux
Top Related 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 3 (20.00%) Elasticsearch
2 2 (13.33%) Confluence
3 1 (6.67%) Apache
3 1 (6.67%) Apache Solr
Business Applications
1 1 (6.67%) Magento
Cloud Services
1 6 (40.00%) Amazon AWS
2 3 (20.00%) AWS CloudFormation
3 2 (13.33%) AWS Lambda
Communications & Networking
1 1 (6.67%) HTTP
Database & Business Intelligence
1 5 (33.33%) Crystal Reports
1 5 (33.33%) MongoDB
1 5 (33.33%) PostgreSQL
1 5 (33.33%) Sybase ASE
2 2 (13.33%) Amazon DynamoDB
2 2 (13.33%) MySQL
3 1 (6.67%) NoSQL
3 1 (6.67%) Relational Database
Development Applications
1 6 (40.00%) Jenkins
2 2 (13.33%) Bitbucket
2 2 (13.33%) Git (software)
2 2 (13.33%) JIRA
3 1 (6.67%) Hudson
General
1 6 (40.00%) Finance
Job Titles
1 7 (46.67%) DevOps Engineer
2 6 (40.00%) Developer
3 5 (33.33%) Java Developer
4 4 (26.67%) AWS Engineer
5 3 (20.00%) AWS DevOps
5 3 (20.00%) Linux Engineer
6 2 (13.33%) Linux DevOps Engineer
6 2 (13.33%) Linux/Unix DevOps
6 2 (13.33%) Senior DevOps
6 2 (13.33%) Senior DevOps Engineer
6 2 (13.33%) Senior Linux Engineer
7 1 (6.67%) Angular Developer
7 1 (6.67%) Cloud Engineer
7 1 (6.67%) E-Commerce Architect
7 1 (6.67%) E-Commerce Developer
7 1 (6.67%) E-Commerce Solution Architect
7 1 (6.67%) Java Architect
7 1 (6.67%) Java Solutions Architect
7 1 (6.67%) Junior DevOps
7 1 (6.67%) Magento Developer
Libraries, Frameworks & Software Standards
1 8 (53.33%) Web Services
2 6 (40.00%) J2EE
3 5 (33.33%) AngularJS
3 5 (33.33%) Hibernate
3 5 (33.33%) JSP
3 5 (33.33%) Spring
4 3 (20.00%) .NET
5 2 (13.33%) Spring Boot
6 1 (6.67%) CSS
6 1 (6.67%) HTML
6 1 (6.67%) JMS
6 1 (6.67%) JSON
6 1 (6.67%) LAMP
6 1 (6.67%) RESTful
6 1 (6.67%) SOAP
6 1 (6.67%) XHTML
6 1 (6.67%) XSL
Operating Systems
1 6 (40.00%) Windows
2 3 (20.00%) CentOS
2 3 (20.00%) Red Hat Enterprise Linux
2 3 (20.00%) Ubuntu
3 2 (13.33%) Unix
Processes & Methodologies
1 8 (53.33%) DevOps
2 3 (20.00%) Continuous Integration
3 2 (13.33%) Agile Software Development
3 2 (13.33%) Application Performance Management
3 2 (13.33%) Configuration Management
3 2 (13.33%) E-Commerce
3 2 (13.33%) Microservices
3 2 (13.33%) Performance Management
4 1 (6.67%) Change Management
4 1 (6.67%) Continuous Delivery
4 1 (6.67%) High Availability
4 1 (6.67%) Line Management
4 1 (6.67%) MVC
4 1 (6.67%) OO
4 1 (6.67%) OO PHP
4 1 (6.67%) Open Source
4 1 (6.67%) Performance Tuning
4 1 (6.67%) Project Planning
4 1 (6.67%) SOA
4 1 (6.67%) TOGAF
Programming Languages
1 6 (40.00%) Java
1 6 (40.00%) JavaScript
2 5 (33.33%) C
2 5 (33.33%) SQL
2 5 (33.33%) T-SQL
3 3 (20.00%) C#
4 1 (6.67%) PHP
4 1 (6.67%) PowerShell
4 1 (6.67%) Python
4 1 (6.67%) Shell Script
System Software
1 3 (20.00%) Docker
2 1 (6.67%) Varnish
2 1 (6.67%) Virtual Machines
Systems Management
1 6 (40.00%) Ansible
2 4 (26.67%) Puppet
3 3 (20.00%) Opscode Chef
4 2 (13.33%) Kubernetes
4 2 (13.33%) Pingdom
Vendors
1 5 (33.33%) Sybase
2 2 (13.33%) AppDynamics
2 2 (13.33%) Atlassian
2 2 (13.33%) PagerDuty
3 1 (6.67%) Zend