Period
to 17 January 2019

The following table provides summary statistics for permanent job vacancies advertised in Colchester with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 17 January 2019 with a comparison to the same period in the previous 2 years.

Linux
Essex > Colchester
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 15 20 3
Rank change year-on-year +5 -17 +18
Permanent jobs citing Linux 21 32 85
As % of all permanent IT jobs advertised in Colchester 12.96% 11.19% 26.81%
As % of the Operating Systems category 29.17% 60.38% 64.89%
Number of salaries quoted 15 29 78
Colchester median annual salary £72,500 £52,500 £47,500
Median salary % change year-on-year +38.10% +10.53% +26.67%
10th Percentile £55,250 £42,500 £36,250
90th Percentile £77,500 £70,000 £67,875
Essex median annual salary £65,000 £45,000 £47,500
% change year-on-year +44.44% -5.26% +4.20%

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

All Operating Systems
Colchester
Permanent vacancies with a requirement for operating system skills 72 53 131
As % of all permanent IT jobs advertised in Colchester 44.44% 18.53% 41.32%
Number of salaries quoted 45 48 121
Colchester median annual salary £37,500 £45,000 £47,500
Median salary % change year-on-year -16.67% -5.26% +35.71%
10th Percentile £18,500 £24,450 £36,250
90th Percentile £76,250 £69,125 £70,000
Essex median annual salary £33,500 £45,000 £45,000
% change year-on-year -25.56% - +28.57%

Linux
Job Vacancy Trend in Colchester

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

Job vacancy trend for Linux in Colchester

Linux
Salary Trend in Colchester

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

Salary trend for Linux in Colchester

Linux
Salary Histogram in Colchester

The salary distribution of IT jobs citing Linux in Colchester over the 6 months to 17 January 2019.

Salary histogram for Linux in Colchester

For the 6 months to 17 January 2019, IT 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 permanent job ads across the Colchester region with a requirement for Linux.

1 17 (80.95%) MySQL
1 17 (80.95%) SQL Server
2 16 (76.19%) MVC
3 15 (71.43%) CSS
3 15 (71.43%) HTML
3 15 (71.43%) JavaScript
4 14 (66.67%) Java
4 14 (66.67%) JSP
4 14 (66.67%) SOAP
4 14 (66.67%) Web Services
4 14 (66.67%) Oracle
4 14 (66.67%) JBoss
4 14 (66.67%) Apache
4 14 (66.67%) Swing
4 14 (66.67%) Tomcat
4 14 (66.67%) Agile Software Development
4 14 (66.67%) Spring
4 14 (66.67%) WebSphere
4 14 (66.67%) Java EE
4 14 (66.67%) Spring MVC
4 14 (66.67%) Relational Database
5 13 (61.90%) Gradle
5 13 (61.90%) FreeMarker
5 13 (61.90%) GlassFish
5 13 (61.90%) JPA
5 13 (61.90%) REST
5 13 (61.90%) Apache Geronimo
5 13 (61.90%) Maven
5 13 (61.90%) PostgreSQL
5 13 (61.90%) Hibernate

Linux
Co-occurring IT Skills in Colchester 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 14 (66.67%) Apache
1 14 (66.67%) JBoss
1 14 (66.67%) Tomcat
1 14 (66.67%) WebSphere
2 13 (61.90%) Apache Geronimo
2 13 (61.90%) GlassFish
3 12 (57.14%) Apache Spark
4 4 (19.05%) Apache Pig
5 2 (9.52%) WordPress
6 1 (4.76%) WebLogic
Applications
1 12 (57.14%) Weka
Communications & Networking
1 4 (19.05%) Internet
2 1 (4.76%) RapidIO
2 1 (4.76%) SMS
Database & Business Intelligence
1 17 (80.95%) MySQL
1 17 (80.95%) SQL Server
2 14 (66.67%) Relational Database
3 13 (61.90%) PostgreSQL
3 13 (61.90%) RDBMS
4 12 (57.14%) Apache Hive
4 12 (57.14%) Big Data
4 12 (57.14%) CouchDB
4 12 (57.14%) Hadoop
4 12 (57.14%) Mahout
4 12 (57.14%) MongoDB
4 12 (57.14%) Neo4j
4 12 (57.14%) NoSQL
4 12 (57.14%) Sqoop
5 1 (4.76%) Oracle Database
5 1 (4.76%) SQL Server Analysis Services
5 1 (4.76%) SQL Server Integration Services
5 1 (4.76%) SQL Server Reporting Services
Development Applications
1 13 (61.90%) Ant
1 13 (61.90%) Gradle
1 13 (61.90%) Maven
General
1 4 (19.05%) Finance
Job Titles
1 18 (85.71%) Developer
2 14 (66.67%) Java Developer
2 14 (66.67%) Lead Developer
2 14 (66.67%) Lead Java Developer
3 4 (19.05%) Agile Developer
3 4 (19.05%) Agile Java Developer
3 4 (19.05%) Java Swing Developer
3 4 (19.05%) PHP Developer
4 2 (9.52%) Junior
4 2 (9.52%) Junior Developer
4 2 (9.52%) Junior PHP Developer
5 1 (4.76%) DBA
5 1 (4.76%) Embedded Linux Engineer
5 1 (4.76%) Embedded Linux Software Engineer
5 1 (4.76%) Linux Engineer
5 1 (4.76%) Senior Developer
5 1 (4.76%) Senior Java Developer
5 1 (4.76%) Software Engineer
5 1 (4.76%) Technical Developer
5 1 (4.76%) Technical Leader
Libraries, Frameworks & Software Standards
1 15 (71.43%) CSS
1 15 (71.43%) HTML
2 14 (66.67%) Java EE
2 14 (66.67%) JSP
2 14 (66.67%) SOAP
2 14 (66.67%) Spring
2 14 (66.67%) Spring MVC
2 14 (66.67%) Swing
2 14 (66.67%) Web Services
3 13 (61.90%) EJB
3 13 (61.90%) FreeMarker
3 13 (61.90%) Hibernate
3 13 (61.90%) JMS
3 13 (61.90%) JPA
3 13 (61.90%) REST
3 13 (61.90%) Servlets
3 13 (61.90%) TopLink
4 9 (42.86%) Ajax
5 2 (9.52%) Laravel
5 2 (9.52%) Symfony
Miscellaneous
1 1 (4.76%) Device Driver
Operating Systems
1 3 (14.29%) Windows
2 2 (9.52%) Windows Server
3 1 (4.76%) VxWorks
Processes & Methodologies
1 16 (76.19%) MVC
2 14 (66.67%) Agile Software Development
3 12 (57.14%) Analytics
4 9 (42.86%) Computer Science
4 9 (42.86%) E-Commerce
4 9 (42.86%) Scrum-ban
5 6 (28.57%) OOP
6 4 (19.05%) Web Development
7 2 (9.52%) OO
8 1 (4.76%) Capacity Planning
8 1 (4.76%) ITIL
8 1 (4.76%) Software Engineering
Programming Languages
1 15 (71.43%) JavaScript
2 14 (66.67%) Java
3 12 (57.14%) PL/SQL
3 12 (57.14%) T-SQL
4 4 (19.05%) PHP
5 2 (9.52%) SQL
6 1 (4.76%) Bash Shell
6 1 (4.76%) C
6 1 (4.76%) Embedded C
Qualifications
1 9 (42.86%) Degree
System Software
1 12 (57.14%) HDFS
Vendors
1 14 (66.67%) Oracle
2 12 (57.14%) Alteryx
2 12 (57.14%) Tableau
3 2 (9.52%) Microsoft
4 1 (4.76%) IBM
4 1 (4.76%) Intel
4 1 (4.76%) Netezza