The following table provides summary statistics for permanent job vacancies advertised in Chiswick with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

Linux
London / Chiswick
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 7 11 14
Rank change year-on-year +4 +3  
Permanent jobs citing Linux 19 5 5
As % of all permanent IT jobs advertised in Chiswick 27.14% 12.50% 8.06%
As % of the Operating Systems category 61.29% 31.25% 38.46%
Number of salaries quoted 19 5 5
Median salary £57,500 £55,000 £50,000
Median salary % change year-on-year +4.54% +10.00%  
90% offered a salary of more than £52,500 £45,200 £44,500
10% offered a salary of more than £65,500 £55,000 £56,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Chiswick with a requirement for operating system skills.

Operating System Skills
Chiswick
Permanent job vacancies with a requirement for operating system skills 31 16 13
As % of all permanent IT job vacancies advertised in Chiswick 44.29% 40.00% 20.97%
Number of salaries quoted 31 16 12
Median salary £34,000 £52,500 £45,000
Median salary % change year-on-year -35.23% +16.66%  
90% offered a salary of more than £28,000 £32,000 £27,500
10% offered a salary of more than £57,500 £50,000 £56,500
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Chiswick

The job posting trend of jobs advertised in Chiswick citing Linux as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Chiswick

Linux
Salary Trend in Chiswick

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Chiswick.

Salary trend for Linux in Chiswick

Linux
Salary Histogram in Chiswick

The salary distribution of IT jobs citing Linux in Chiswick over the 3 months to 26 June 2017.

Salary histogram for Linux in Chiswick

For the 6 months to 26 June 2017, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Chiswick region with a requirement for Linux.

1 44 (97.78%) SaaS
2 41 (91.11%) Apache Cassandra
2 41 (91.11%) NoSQL
2 41 (91.11%) REST
2 41 (91.11%) Java
2 41 (91.11%) MySQL
2 41 (91.11%) Web Services
2 41 (91.11%) SOA
2 41 (91.11%) Agile Software Development
3 33 (73.33%) RESTful
4 26 (57.78%) Hadoop
4 26 (57.78%) Redis
4 26 (57.78%) MongoDB
4 26 (57.78%) Microservices
4 26 (57.78%) Spring
4 26 (57.78%) Hibernate
5 23 (51.11%) JUnit
5 23 (51.11%) Python
5 23 (51.11%) HBase
5 23 (51.11%) Hamcrest
5 23 (51.11%) jMock
5 23 (51.11%) Unit Testing
6 19 (42.22%) QA
7 18 (40.00%) Relational Database
7 18 (40.00%) Big Data
8 15 (33.33%) Unix
8 15 (33.33%) JMeter
8 15 (33.33%) Cucumber
8 15 (33.33%) SoapUI
8 15 (33.33%) Continuous Delivery

Linux
Co-occurring IT Skills in Chiswick 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 (17.78%) Apache
1 8 (17.78%) Jetty
1 8 (17.78%) Tomcat
2 3 (6.67%) MS Exchange
Applications
1 3 (6.67%) Microsoft Office
Cloud Services
1 44 (97.78%) SaaS
2 2 (4.44%) Office 365
Communications & Networking
1 8 (17.78%) SMPP
1 8 (17.78%) TCP/IP
2 3 (6.67%) LAN
2 3 (6.67%) WAN
2 3 (6.67%) Wireless
3 1 (2.22%) PBX
3 1 (2.22%) VoIP
Database & Business Intelligence
1 41 (91.11%) Apache Cassandra
1 41 (91.11%) MySQL
1 41 (91.11%) NoSQL
2 26 (57.78%) Hadoop
2 26 (57.78%) MongoDB
2 26 (57.78%) Redis
3 23 (51.11%) HBase
4 18 (40.00%) Big Data
4 18 (40.00%) Relational Database
Development Applications
1 23 (51.11%) Hamcrest
1 23 (51.11%) jMock
1 23 (51.11%) JUnit
2 15 (33.33%) Cucumber
2 15 (33.33%) JMeter
2 15 (33.33%) Selenium
2 15 (33.33%) SoapUI
3 8 (17.78%) Git (software)
3 8 (17.78%) Jenkins
3 8 (17.78%) JIRA
3 8 (17.78%) Maven
3 8 (17.78%) TestNG
General
1 3 (6.67%) Marketing
2 1 (2.22%) Legal
2 1 (2.22%) Telecoms
Job Titles
1 22 (48.89%) Developer
1 22 (48.89%) Java Developer
1 22 (48.89%) Linux Developer
2 20 (44.44%) NoSQL Developer
3 19 (42.22%) MySQL Developer
4 17 (37.78%) Java Programmer
4 17 (37.78%) Programmer
5 15 (33.33%) Automation Tester
5 15 (33.33%) Java Automation Tester
5 15 (33.33%) QA Automation Tester
5 15 (33.33%) QA Tester
5 15 (33.33%) Selenium Automation Tester
5 15 (33.33%) Selenium Tester
5 15 (33.33%) Senior Automation Tester
5 15 (33.33%) Senior QA Tester
5 15 (33.33%) Senior Tester
5 15 (33.33%) Tester
6 13 (28.89%) Java Engineer
6 13 (28.89%) QA Automation Engineer
6 13 (28.89%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 41 (91.11%) REST
1 41 (91.11%) Web Services
2 33 (73.33%) RESTful
3 26 (57.78%) Hibernate
3 26 (57.78%) Spring
4 8 (17.78%) Apache Wicket
4 8 (17.78%) Guice
4 8 (17.78%) JAX-RS
4 8 (17.78%) LAMP
Miscellaneous
1 4 (8.89%) Analytical Skills
2 1 (2.22%) Cyber Defence
Operating Systems
1 15 (33.33%) Unix
2 4 (8.89%) Windows
3 3 (6.67%) Windows 7
3 3 (6.67%) Windows Server
4 1 (2.22%) Solaris
Processes & Methodologies
1 41 (91.11%) Agile Software Development
1 41 (91.11%) SOA
2 26 (57.78%) Microservices
3 23 (51.11%) Unit Testing
4 15 (33.33%) Continuous Delivery
4 15 (33.33%) Continuous Integration
4 15 (33.33%) Software Testing
4 15 (33.33%) Test Automation
5 8 (17.78%) Data Security
5 8 (17.78%) Multithreading
5 8 (17.78%) Open Source
6 7 (15.56%) Software Engineering
7 4 (8.89%) Continuous Deployment
7 4 (8.89%) Process Improvement
7 4 (8.89%) Product Management
8 3 (6.67%) Demand Generation
8 3 (6.67%) Disaster Recovery
9 1 (2.22%) Business Intelligence
9 1 (2.22%) Information Security
9 1 (2.22%) Security Management
Programming Languages
1 41 (91.11%) Java
2 23 (51.11%) Python
3 8 (17.78%) Bash Shell
3 8 (17.78%) SQL
Qualifications
1 3 (6.67%) MCITP
1 3 (6.67%) MCSA
1 3 (6.67%) MCSE
1 3 (6.67%) Microsoft Certification
2 1 (2.22%) CISA
2 1 (2.22%) CISM
2 1 (2.22%) CISSP
2 1 (2.22%) Degree
2 1 (2.22%) SANS
2 1 (2.22%) SC Cleared
2 1 (2.22%) Security Cleared
Quality Assurance & Compliance
1 19 (42.22%) QA
System Software
1 8 (17.78%) Docker
2 3 (6.67%) Active Directory
3 2 (4.44%) VMware Infrastructure
Systems Management
1 1 (2.22%) EnCase
1 1 (2.22%) FTK
Vendors
1 3 (6.67%) Microsoft
2 2 (4.44%) VMware