Period
to 19 September 2018

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 6 months to 19 September 2018 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
6 months to
19 Sep 2018
Same period 2017 Same period 2016
Rank 31 26 18
Rank change year-on-year -5 -8 -3
Contract jobs citing Linux 15 20 27
As % of all contract IT jobs advertised in Watford 4.13% 5.19% 8.33%
As % of the Operating Systems category 23.08% 24.39% 33.33%
Number of daily rates quoted 6 9 2
Watford median daily rate £488 £550 £258
Median daily rate % change year-on-year -11.36% +113.59% -28.97%
10th Percentile £347 £325 £226
90th Percentile £591 £581 £279
Hertfordshire median daily rate £400 £423 £375
% change year-on-year -5.33% +12.67% -
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate £42.50 £31.50 £31.50
% change year-on-year +34.92% - -21.25%

Linux is in the Operating Systems category. The following 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.

All Operating Systems
Watford
Contract vacancies with a requirement for operating system skills 65 82 81
As % of all contract IT jobs advertised in Watford 17.91% 21.30% 25.00%
Number of daily rates quoted 32 42 23
Watford median daily rate £310 £350 £245
Median daily rate % change year-on-year -11.43% +42.86% -35.74%
10th Percentile £103 £120 £127
90th Percentile £480 £573 £525
Hertfordshire median daily rate £325 £375 £350
% change year-on-year -13.33% +7.14% -
Number of hourly rates quoted 6 4 2
Watford median hourly rate £15.00 £14.50 £13.00
Median hourly rate % change year-on-year +3.45% +11.54% -2.80%
Hertfordshire median hourly rate £15.86 £15.50 £14.50
% change year-on-year +2.32% +6.90% +3.57%

Linux
Job Vacancy Trend in Watford

Job postings citing Linux as a percentage of all IT jobs advertised in Watford.

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 6 months to 19 September 2018.

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 19 September 2018, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Watford region with a requirement for Linux.

1 9 (60.00%) JavaScript
1 9 (60.00%) HTML
1 9 (60.00%) CSS
2 8 (53.33%) HTTP
3 7 (46.67%) E-Commerce
4 6 (40.00%) XHTML
4 6 (40.00%) OO
4 6 (40.00%) Apache
4 6 (40.00%) Java
4 6 (40.00%) PHP
4 6 (40.00%) MySQL
4 6 (40.00%) MVC
4 6 (40.00%) LAMP
4 6 (40.00%) Agile Software Development
4 6 (40.00%) Zend
4 6 (40.00%) Magento
4 6 (40.00%) OO PHP
5 5 (33.33%) Open Source
5 5 (33.33%) DNS
5 5 (33.33%) XSL
5 5 (33.33%) Relational Database
6 4 (26.67%) MongoDB
6 4 (26.67%) Git (software)
6 4 (26.67%) Amazon AWS
6 4 (26.67%) Red Hat Enterprise Linux
7 3 (20.00%) Guice
7 3 (20.00%) OWASP
7 3 (20.00%) Domain-Driven Design
7 3 (20.00%) TDD
7 3 (20.00%) Spring

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 6 (40.00%) Apache
2 3 (20.00%) Elasticsearch
3 2 (13.33%) Tomcat
3 2 (13.33%) WebSphere
4 1 (6.67%) IBM HTTP Server
4 1 (6.67%) IIS
4 1 (6.67%) MQSeries
4 1 (6.67%) nginx
4 1 (6.67%) WebLogic
4 1 (6.67%) WebSphere Application Server
Applications
1 1 (6.67%) Microsoft PowerPoint
1 1 (6.67%) Microsoft Project
1 1 (6.67%) MS Visio
Business Applications
1 6 (40.00%) Magento
2 1 (6.67%) Dynamics CRM
Cloud Services
1 4 (26.67%) Amazon AWS
2 3 (20.00%) Heroku
3 1 (6.67%) Cloud Computing
Communications & Networking
1 8 (53.33%) HTTP
2 5 (33.33%) DNS
3 3 (20.00%) FTP
3 3 (20.00%) SSL
3 3 (20.00%) TCP/IP
4 2 (13.33%) DKIM
4 2 (13.33%) DMARC
5 1 (6.67%) Network Security
Database & Business Intelligence
1 6 (40.00%) MySQL
2 5 (33.33%) Relational Database
3 4 (26.67%) MongoDB
4 3 (20.00%) PostgreSQL
5 1 (6.67%) DB2
5 1 (6.67%) Oracle Database
5 1 (6.67%) SQL Server
Development Applications
1 4 (26.67%) Git (software)
2 3 (20.00%) GitLab
2 3 (20.00%) Gradle
2 3 (20.00%) gulp
2 3 (20.00%) Spock
3 2 (13.33%) Gatling
3 2 (13.33%) Geb
4 1 (6.67%) Eclipse
4 1 (6.67%) JIRA
4 1 (6.67%) Subversion
4 1 (6.67%) Vagrant
4 1 (6.67%) VersionOne
General
1 1 (6.67%) Advertising
1 1 (6.67%) Finance
Job Titles
1 10 (66.67%) Developer
2 6 (40.00%) Magento Developer
3 3 (20.00%) Agile Developer
3 3 (20.00%) Agile Java Developer
3 3 (20.00%) Java Developer
4 2 (13.33%) Administrator
4 2 (13.33%) Linux Administrator
4 2 (13.33%) Linux Engineer
5 1 (6.67%) Agile Scrum Master
5 1 (6.67%) Architect
5 1 (6.67%) AWS Architect
5 1 (6.67%) Full Stack Developer
5 1 (6.67%) Infrastructure Manager
5 1 (6.67%) Infrastructure Project Manager
5 1 (6.67%) Project Manager
5 1 (6.67%) Scrum Master
5 1 (6.67%) Senior Developer
5 1 (6.67%) Senior Magento Developer
5 1 (6.67%) SQL Developer
5 1 (6.67%) Sybase Developer
Libraries, Frameworks & Software Standards
1 9 (60.00%) CSS
1 9 (60.00%) HTML
2 6 (40.00%) LAMP
2 6 (40.00%) XHTML
3 5 (33.33%) XSL
4 3 (20.00%) AngularJS
4 3 (20.00%) Dropwizard
4 3 (20.00%) Ember.js
4 3 (20.00%) Guice
4 3 (20.00%) HTML5
4 3 (20.00%) OAuth
4 3 (20.00%) OAuth2
4 3 (20.00%) Ratpack
4 3 (20.00%) REST
4 3 (20.00%) SOAP
4 3 (20.00%) Spring
4 3 (20.00%) Spring Boot
5 2 (13.33%) Web Services
5 2 (13.33%) WireMock
6 1 (6.67%) .NET
Miscellaneous
1 1 (6.67%) Analytical Skills
1 1 (6.67%) Enterprise Software
1 1 (6.67%) Fintech
1 1 (6.67%) Management Information System
1 1 (6.67%) Private Cloud
1 1 (6.67%) Virtual Team
Operating Systems
1 4 (26.67%) Red Hat Enterprise Linux
2 2 (13.33%) Debian
2 2 (13.33%) Ubuntu
2 2 (13.33%) Windows
3 1 (6.67%) AIX
3 1 (6.67%) SUSE
3 1 (6.67%) SUSE Linux Enterprise Server
3 1 (6.67%) Unix
Processes & Methodologies
1 7 (46.67%) E-Commerce
2 6 (40.00%) Agile Software Development
2 6 (40.00%) MVC
2 6 (40.00%) OO
2 6 (40.00%) OO PHP
3 5 (33.33%) Open Source
4 3 (20.00%) BDD
4 3 (20.00%) Digital Transformation Programme
4 3 (20.00%) Domain-Driven Design
4 3 (20.00%) Microservices
4 3 (20.00%) OWASP
4 3 (20.00%) Software Engineering
4 3 (20.00%) TDD
5 2 (13.33%) OOP
5 2 (13.33%) Project Management
5 2 (13.33%) SDLC
5 2 (13.33%) Web Development
6 1 (6.67%) Continuous Delivery
6 1 (6.67%) Continuous Integration
6 1 (6.67%) Scrum
Programming Languages
1 9 (60.00%) JavaScript
2 6 (40.00%) Java
2 6 (40.00%) PHP
3 3 (20.00%) ES6
3 3 (20.00%) Java 8
3 3 (20.00%) TypeScript
4 2 (13.33%) SQL
5 1 (6.67%) Python
Qualifications
1 1 (6.67%) Degree
1 1 (6.67%) Master's Degree
1 1 (6.67%) MBA
1 1 (6.67%) PMI Certification
1 1 (6.67%) PMP
System Software
1 3 (20.00%) Docker
2 2 (13.33%) Postfix
Systems Management
1 3 (20.00%) Docker Swarm
2 2 (13.33%) Puppet
3 1 (6.67%) HP Quality Center
3 1 (6.67%) Kubernetes
Vendors
1 6 (40.00%) Zend
2 3 (20.00%) Red Hat
3 2 (13.33%) Oracle
4 1 (6.67%) Dell
4 1 (6.67%) HP
4 1 (6.67%) IBM
4 1 (6.67%) Microsoft
4 1 (6.67%) MuleSoft
4 1 (6.67%) Sun
4 1 (6.67%) Sybase
4 1 (6.67%) webMethods