Period
to 13 December 2017

The following table provides summary statistics for contract job vacancies advertised in Hounslow 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 13 December 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
West London > Hounslow
6 months to
13 Dec 2017
Same period 2016 Same period 2015
Rank 12 22 13
Rank change year-on-year +10 -9 +6
Contract jobs citing Linux 37 12 27
As % of all contract IT jobs advertised in Hounslow 11.38% 4.38% 8.54%
As % of the Operating Systems category 37.00% 29.27% 40.30%
Number of daily rates quoted 23 4 17
Hounslow median daily rate £525 £446 £338
Median daily rate % change year-on-year +17.65% +32.22% -19.64%
10th Percentile £365 £404 £93
90th Percentile £572 £502 £440
West London median daily rate £481 £450 £413
% change year-on-year +6.94% +9.09% -1.79%
Number of hourly rates quoted 0 2 0
Hounslow median hourly rate - £52.50 -
West London median hourly rate £45.00 £47.50 £26.75
% change year-on-year -5.26% +77.57% -44.27%

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 Hounslow with a requirement for operating system skills.

All Operating Systems
Hounslow
Contract vacancies with a requirement for operating system skills 100 41 67
As % of all contract IT jobs advertised in Hounslow 30.77% 14.96% 21.20%
Number of daily rates quoted 61 18 39
Hounslow median daily rate £520 £413 £330
Median daily rate % change year-on-year +26.06% +25.00% -7.37%
10th Percentile £285 £138 £98
90th Percentile £575 £513 £466
West London median daily rate £450 £400 £370
% change year-on-year +12.50% +8.11% -1.33%
Number of hourly rates quoted 9 6 8
Hounslow median hourly rate £13.00 £40.75 £16.50
Median hourly rate % change year-on-year -68.10% +146.97% -52.86%
10th Percentile £12.75 £11.63 £16.00
90th Percentile £14.85 £122.50 £20.00
West London median hourly rate £17.38 £16.50 £17.50
% change year-on-year +5.30% -5.71% +2.94%

Linux
Job Vacancy Trend in Hounslow

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

Job vacancy trend for Linux in Hounslow

Linux
Contractor Daily Rate Trend in Hounslow

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

Contractor daily rate trend for Linux in Hounslow

Linux
Contractor Daily Rate Histogram in Hounslow

The daily rate distribution of IT jobs citing Linux in Hounslow over the 6 months to 13 December 2017.

Contractor daily rate histogram for Linux in Hounslow

Linux
Contractor Hourly Rate Trend in Hounslow

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

Contractor hourly rate trend for Linux in Hounslow

Linux
Contract Job Locations in Hounslow

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the Hounslow region over the 6 months to 13 December 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Isleworth - 14 £540 - 1
Osterley -3 6 £450 +5.88%
Feltham +4 3 £375 -19.79% 1
Chiswick - 1 - - 1
Linux
West London

For the 6 months to 13 December 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 Hounslow region with a requirement for Linux.

1 21 (56.76%) Unix
2 20 (54.05%) Python
3 18 (48.65%) Java
3 18 (48.65%) SQL
3 18 (48.65%) Agile Software Development
3 18 (48.65%) DevOps
4 16 (43.24%) Continuous Integration
5 14 (37.84%) RESTful
5 14 (37.84%) High Availability
5 14 (37.84%) Pair Programming
5 14 (37.84%) Shell Script
5 14 (37.84%) Microservices
5 14 (37.84%) Acceptance Criteria
6 13 (35.14%) NoSQL
7 12 (32.43%) BDD
7 12 (32.43%) Scala
7 12 (32.43%) Test Automation
7 12 (32.43%) Continuous Delivery
7 12 (32.43%) logstash
8 11 (29.73%) Kibana
8 11 (29.73%) User Stories
8 11 (29.73%) AppDynamics
8 11 (29.73%) Splunk
8 11 (29.73%) Kanban
8 11 (29.73%) Games
9 10 (27.03%) TDD
9 10 (27.03%) Software Engineering
9 10 (27.03%) QA
9 10 (27.03%) Continuous Improvement
9 10 (27.03%) Open Source

Linux
Co-occurring IT Skills in Hounslow 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 8 (21.62%) Elasticsearch
2 4 (10.81%) OpenStack
3 1 (2.70%) MS Exchange
Applications
1 1 (2.70%) Microsoft Office
1 1 (2.70%) MS Visio
Cloud Services
1 3 (8.11%) OpenShift
2 1 (2.70%) Amazon AWS
2 1 (2.70%) Microsoft Azure
2 1 (2.70%) Office 365
Communications & Networking
1 2 (5.41%) HTTP
Database & Business Intelligence
1 13 (35.14%) NoSQL
2 9 (24.32%) MongoDB
3 7 (18.92%) Oracle Database
3 7 (18.92%) RDBMS
3 7 (18.92%) Relational Database
4 5 (13.51%) OLTP
5 4 (10.81%) Apache Cassandra
6 1 (2.70%) Big Data
6 1 (2.70%) Data Warehouse
6 1 (2.70%) MySQL
6 1 (2.70%) Oracle Reports
Development Applications
1 10 (27.03%) Git (software)
2 9 (24.32%) Cucumber
2 9 (24.32%) JUnit
3 8 (21.62%) Jenkins
4 7 (18.92%) IntelliJ
4 7 (18.92%) Mockito
5 3 (8.11%) JIRA
6 2 (5.41%) Gradle
6 2 (5.41%) Jasmine
6 2 (5.41%) Karma Test Runner
6 2 (5.41%) Protractor
6 2 (5.41%) Selenium
6 2 (5.41%) Subversion
7 1 (2.70%) Ant
7 1 (2.70%) Hudson
7 1 (2.70%) Maven
General
1 11 (29.73%) Games
2 1 (2.70%) Finance
2 1 (2.70%) Marketing
Job Titles
1 27 (72.97%) Developer
2 14 (37.84%) Java Developer
3 13 (35.14%) Senior Developer
3 13 (35.14%) Senior Java Developer
4 7 (18.92%) Python Developer
5 6 (16.22%) C++ Developer
6 5 (13.51%) Linux Developer
6 5 (13.51%) Oracle Developer
6 5 (13.51%) Sybase Developer
6 5 (13.51%) Unix Developer
7 4 (10.81%) DevOps Engineer
7 4 (10.81%) Senior Python Developer
8 3 (8.11%) Django Developer
8 3 (8.11%) Linux DevOps Engineer
8 3 (8.11%) Linux Engineer
8 3 (8.11%) Linux/Unix DevOps
8 3 (8.11%) Python/Django Developer
8 3 (8.11%) SQL Developer
9 2 (5.41%) Linux Scripter
9 2 (5.41%) Test Engineer
Libraries, Frameworks & Software Standards
1 14 (37.84%) RESTful
2 9 (24.32%) Spring
3 8 (21.62%) Elastic Stack
4 7 (18.92%) Django
4 7 (18.92%) Dropwizard
4 7 (18.92%) Flask
4 7 (18.92%) Grails
5 6 (16.22%) Node.js
5 6 (16.22%) STL
6 3 (8.11%) CSS
6 3 (8.11%) CSS3
6 3 (8.11%) HTML
6 3 (8.11%) HTML5
7 2 (5.41%) AngularJS
7 2 (5.41%) jQuery
7 2 (5.41%) JSON
7 2 (5.41%) Meteor
7 2 (5.41%) Middleware
7 2 (5.41%) WebSockets
8 1 (2.70%) Spring Boot
Miscellaneous
1 6 (16.22%) Data Structures
2 4 (10.81%) Blog
2 4 (10.81%) Management Information System
3 3 (8.11%) Computer Science
3 3 (8.11%) STB
4 2 (5.41%) Device Driver
4 2 (5.41%) Digital TV
4 2 (5.41%) Embedded Systems
4 2 (5.41%) Linux Command Line
5 1 (2.70%) Analytical Skills
5 1 (2.70%) Enterprise Software
5 1 (2.70%) IPTV
Operating Systems
1 21 (56.76%) Unix
2 4 (10.81%) Mac OS X
3 1 (2.70%) Oracle Linux
3 1 (2.70%) Windows
Processes & Methodologies
1 18 (48.65%) Agile Software Development
1 18 (48.65%) DevOps
2 16 (43.24%) Continuous Integration
3 14 (37.84%) Acceptance Criteria
3 14 (37.84%) High Availability
3 14 (37.84%) Microservices
3 14 (37.84%) Pair Programming
4 12 (32.43%) BDD
4 12 (32.43%) Continuous Delivery
4 12 (32.43%) Test Automation
5 11 (29.73%) Kanban
5 11 (29.73%) User Stories
6 10 (27.03%) Continuous Improvement
6 10 (27.03%) Open Source
6 10 (27.03%) Performance Tuning
6 10 (27.03%) Software Engineering
6 10 (27.03%) TDD
7 7 (18.92%) Domain-Driven Design
7 7 (18.92%) Multithreading
8 5 (13.51%) Multithreaded Programming
Programming Languages
1 20 (54.05%) Python
2 18 (48.65%) Java
2 18 (48.65%) SQL
3 14 (37.84%) Shell Script
4 12 (32.43%) Scala
5 9 (24.32%) C++
6 7 (18.92%) Bash Shell
6 7 (18.92%) Groovy
6 7 (18.92%) Kotlin
7 6 (16.22%) Go
7 6 (16.22%) Perl
8 5 (13.51%) JavaScript
9 2 (5.41%) C
10 1 (2.70%) Embedded C
10 1 (2.70%) PL/SQL
10 1 (2.70%) PowerShell
10 1 (2.70%) Ruby
Qualifications
1 4 (10.81%) Degree
2 3 (8.11%) Computer Science Degree
3 1 (2.70%) SC Cleared
3 1 (2.70%) Security Cleared
Quality Assurance & Compliance
1 10 (27.03%) QA
2 3 (8.11%) OASIS TOSCA
System Software
1 9 (24.32%) Docker
2 1 (2.70%) Active Directory
Systems Management
1 12 (32.43%) logstash
2 11 (29.73%) Kibana
3 10 (27.03%) Kubernetes
4 7 (18.92%) Grafana
5 4 (10.81%) Ansible
5 4 (10.81%) Prometheus
5 4 (10.81%) Puppet
6 3 (8.11%) Cloudify
6 3 (8.11%) StackStorm
7 1 (2.70%) Fluentd
7 1 (2.70%) Opscode Chef
7 1 (2.70%) Salt
Vendors
1 11 (29.73%) AppDynamics
1 11 (29.73%) Splunk
2 8 (21.62%) Oracle
3 6 (16.22%) Sybase
4 2 (5.41%) Microsoft
5 1 (2.70%) Cadence
5 1 (2.70%) Cognos
5 1 (2.70%) Rackspace
5 1 (2.70%) VMware