Period
to 23 November 2017

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 23 November 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
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 23 12 18
Rank change year-on-year -11 +6 +4
Contract jobs citing Linux 29 31 19
As % of all contract IT jobs advertised in Watford 6.62% 10.69% 7.60%
As % of the Operating Systems category 34.52% 38.27% 21.35%
Number of daily rates quoted 11 4 6
Watford median daily rate £550 £475 £350
Median daily rate % change year-on-year +15.79% +35.71% -6.67%
10th Percentile £413 £399 £325
90th Percentile £606 £531 £395
Hertfordshire median daily rate £434 £338 £350
% change year-on-year +28.52% -3.57% -14.37%
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire median hourly rate £40.75 - £45.00

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 84 81 89
As % of all contract IT jobs advertised in Watford 19.18% 27.93% 35.60%
Number of daily rates quoted 42 26 42
Watford median daily rate £360 £283 £350
Median daily rate % change year-on-year +27.43% -19.29% -6.67%
10th Percentile £120 £163 £120
90th Percentile £575 £534 £438
Hertfordshire median daily rate £373 £368 £336
% change year-on-year +1.36% +9.29% -3.93%
Number of hourly rates quoted 4 2 7
Watford median hourly rate £14.25 £13.75 £13.50
Median hourly rate % change year-on-year +3.64% +1.85% -1.82%
10th Percentile £13.40 £13.08 £12.50
90th Percentile £15.25 £15.03 £20.40
Hertfordshire median hourly rate £14.50 £14.50 £15.00
% change year-on-year - -3.33% +3.45%

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 23 November 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 23 November 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 16 (55.17%) Apache
1 16 (55.17%) E-Commerce
2 14 (48.28%) SQL
3 13 (44.83%) PHP
3 13 (44.83%) Agile Software Development
4 12 (41.38%) Games
4 12 (41.38%) Java
4 12 (41.38%) MySQL
5 10 (34.48%) MVC
6 9 (31.03%) Tomcat
6 9 (31.03%) Git (software)
7 8 (27.59%) OO
7 8 (27.59%) Oracle
7 8 (27.59%) Perl
7 8 (27.59%) Web Services
7 8 (27.59%) LAMP
8 7 (24.14%) Unix
8 7 (24.14%) nginx
8 7 (24.14%) Ansible
8 7 (24.14%) LEMP Stack
9 6 (20.69%) Relational Database
9 6 (20.69%) Opscode Chef
9 6 (20.69%) Magento
9 6 (20.69%) Puppet
9 6 (20.69%) REST
9 6 (20.69%) JUnit
9 6 (20.69%) JSP
9 6 (20.69%) HTML
9 6 (20.69%) JavaScript
9 6 (20.69%) DB2

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 16 (55.17%) Apache
2 9 (31.03%) Tomcat
3 7 (24.14%) nginx
4 5 (17.24%) JBoss
4 5 (17.24%) MQSeries
5 3 (10.34%) Elasticsearch
6 1 (3.45%) Adobe Experience Manager
6 1 (3.45%) CMS
6 1 (3.45%) WebSphere
6 1 (3.45%) WebSphere Application Server
Business Applications
1 6 (20.69%) Magento
Cloud Services
1 4 (13.79%) Amazon AWS
2 1 (3.45%) Amazon CloudWatch
2 1 (3.45%) Amazon ElastiCache
2 1 (3.45%) Amazon S3
2 1 (3.45%) AWS CloudFormation
2 1 (3.45%) AWS Lambda
2 1 (3.45%) PaaS
2 1 (3.45%) Route 53
2 1 (3.45%) Serverless
2 1 (3.45%) Virtual Private Cloud
Communications & Networking
1 5 (17.24%) Internet
Database & Business Intelligence
1 12 (41.38%) MySQL
2 6 (20.69%) DB2
2 6 (20.69%) Relational Database
3 5 (17.24%) DbVisualizer
4 2 (6.90%) MongoDB
4 2 (6.90%) Oracle Database
4 2 (6.90%) Redis
4 2 (6.90%) SQL Server
4 2 (6.90%) Sybase ASE
5 1 (3.45%) Amazon RDS
5 1 (3.45%) Jackrabbit
5 1 (3.45%) Oracle Database 10g
5 1 (3.45%) Oracle Database 11g
5 1 (3.45%) Oracle Database 12c
5 1 (3.45%) Oracle Exadata
5 1 (3.45%) Oracle9i Database
5 1 (3.45%) RDBMS
5 1 (3.45%) SQL Server 2005
5 1 (3.45%) SQL Server 2008
5 1 (3.45%) SQL Server 2012
Development Applications
1 9 (31.03%) Git (software)
2 6 (20.69%) JMeter
2 6 (20.69%) JUnit
3 5 (17.24%) Eclipse
3 5 (17.24%) LoadRunner
3 5 (17.24%) Log4j
3 5 (17.24%) Mockito
3 5 (17.24%) Subversion
3 5 (17.24%) The Grinder
4 4 (13.79%) Maven
4 4 (13.79%) Talend Open Studio
4 4 (13.79%) Vagrant
5 3 (10.34%) Mercurial
6 1 (3.45%) Ant
6 1 (3.45%) GCC
6 1 (3.45%) Jenkins
6 1 (3.45%) jMock
6 1 (3.45%) Selenium
6 1 (3.45%) SonarQube
6 1 (3.45%) WebSphere Studio Application Developer
General
1 12 (41.38%) Games
2 4 (13.79%) Finance
Job Titles
1 15 (51.72%) Developer
2 5 (17.24%) Consultant
2 5 (17.24%) Lead Developer
2 5 (17.24%) Magento Developer
2 5 (17.24%) Performance Consultant
2 5 (17.24%) Senior Developer
3 4 (13.79%) Technical Leader
4 3 (10.34%) PHP Developer
4 3 (10.34%) Senior PHP Developer
5 2 (6.90%) AWS DevOps
5 2 (6.90%) Java Developer
5 2 (6.90%) Ruby Developer
5 2 (6.90%) Senior Ruby Developer
6 1 (3.45%) AWS DevOps Engineer
6 1 (3.45%) AWS Expert
6 1 (3.45%) Lead DevOps
6 1 (3.45%) Linux Systems Engineer
6 1 (3.45%) Linux/Unix DevOps
6 1 (3.45%) Senior Linux Systems Engineer
6 1 (3.45%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 8 (27.59%) LAMP
1 8 (27.59%) Web Services
2 7 (24.14%) LEMP Stack
3 6 (20.69%) HTML
3 6 (20.69%) JSP
3 6 (20.69%) REST
4 5 (17.24%) EJB
4 5 (17.24%) J2EE
4 5 (17.24%) JDBC
4 5 (17.24%) JMS
4 5 (17.24%) JSON
4 5 (17.24%) SOAP
4 5 (17.24%) Spring
4 5 (17.24%) XML
4 5 (17.24%) XSD
4 5 (17.24%) XSLT
5 4 (13.79%) ActiveMQ
5 4 (13.79%) CSS
5 4 (13.79%) Spring Security
5 4 (13.79%) XHTML
Miscellaneous
1 5 (17.24%) Analytical Skills
2 2 (6.90%) Greenfield Project
3 1 (3.45%) Embedded Systems
3 1 (3.45%) State Machine
Operating Systems
1 7 (24.14%) Unix
2 5 (17.24%) AIX
2 5 (17.24%) HPUX
2 5 (17.24%) Solaris
3 3 (10.34%) Windows
4 1 (3.45%) DC/OS
4 1 (3.45%) Mac OS
4 1 (3.45%) Red Hat Enterprise Linux
Processes & Methodologies
1 16 (55.17%) E-Commerce
2 13 (44.83%) Agile Software Development
3 10 (34.48%) MVC
4 8 (27.59%) OO
5 5 (17.24%) Continuous Delivery
5 5 (17.24%) Performance Monitoring
5 5 (17.24%) Performance Testing
5 5 (17.24%) RAD
5 5 (17.24%) Root Cause Analysis
5 5 (17.24%) Statistics
6 4 (13.79%) Dependency Management
6 4 (13.79%) DevOps
6 4 (13.79%) DNA
6 4 (13.79%) ETL
6 4 (13.79%) TDD
7 3 (10.34%) Continuous Integration
7 3 (10.34%) OO PHP
7 3 (10.34%) Performance Tuning
7 3 (10.34%) Refactoring
7 3 (10.34%) Web Development
Programming Languages
1 14 (48.28%) SQL
2 13 (44.83%) PHP
3 12 (41.38%) Java
4 8 (27.59%) Perl
5 6 (20.69%) JavaScript
6 5 (17.24%) AWK
6 5 (17.24%) Python
7 4 (13.79%) Ruby
8 2 (6.90%) PL/SQL
9 1 (3.45%) Bash Shell
9 1 (3.45%) C
9 1 (3.45%) C#
9 1 (3.45%) Go
9 1 (3.45%) T-SQL
System Software
1 4 (13.79%) Docker
2 1 (3.45%) Oracle RAC
Systems Management
1 7 (24.14%) Ansible
2 6 (20.69%) Opscode Chef
2 6 (20.69%) Puppet
3 5 (17.24%) Grafana
4 2 (6.90%) Kubernetes
4 2 (6.90%) Terraform
5 1 (3.45%) Data Guard
5 1 (3.45%) Marathon
5 1 (3.45%) Mesos
5 1 (3.45%) Microsoft Clustering
Vendors
1 8 (27.59%) Oracle
2 5 (17.24%) AppDynamics
2 5 (17.24%) Dynatrace
2 5 (17.24%) IBM
2 5 (17.24%) New Relic
3 4 (13.79%) Talend
3 4 (13.79%) Zend
4 2 (6.90%) Sybase
5 1 (3.45%) 3PAR
5 1 (3.45%) ATG
5 1 (3.45%) Blue Martini
5 1 (3.45%) Demandware
5 1 (3.45%) Elastic Path
5 1 (3.45%) hybris
5 1 (3.45%) NetApp