Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Chelmsford 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 20 November 2017 with a comparison to the same period in the previous 2 years.

Linux
Essex > Chelmsford
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 39 42 34
Rank change year-on-year +3 -8 -15
Permanent jobs citing Linux 15 7 12
As % of all permanent IT jobs advertised in Chelmsford 4.31% 2.11% 3.70%
As % of the Operating Systems category 25.42% 12.50% 20.00%
Number of salaries quoted 15 6 11
Chelmsford median annual salary £45,000 £25,000 £42,500
Median salary % change year-on-year +80.00% -41.18% -
10th Percentile £31,250 £21,875 £21,250
90th Percentile £55,000 £47,500 £48,750
Essex median annual salary £42,500 £47,500 £45,000
% change year-on-year -10.53% +5.56% -

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 Chelmsford with a requirement for operating system skills.

All Operating Systems
Chelmsford
Permanent vacancies with a requirement for operating system skills 59 56 60
As % of all permanent IT jobs advertised in Chelmsford 16.95% 16.87% 18.52%
Number of salaries quoted 59 48 50
Chelmsford median annual salary £35,000 £42,500 £33,750
Median salary % change year-on-year -17.65% +25.93% -12.28%
10th Percentile £17,750 £22,675 £21,225
90th Percentile £56,750 £52,250 £50,500
Essex median annual salary £40,000 £47,500 £36,500
% change year-on-year -15.79% +30.14% -13.10%

Linux
Job Vacancy Trend in Chelmsford

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

Job vacancy trend for Linux in Chelmsford

Linux
Salary Trend in Chelmsford

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

Salary trend for Linux in Chelmsford

Linux
Salary Histogram in Chelmsford

The salary distribution of IT jobs citing Linux in Chelmsford over the 6 months to 20 November 2017.

Salary histogram for Linux in Chelmsford

For the 6 months to 20 November 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 Chelmsford region with a requirement for Linux.

1 13 (86.67%) SQL
2 8 (53.33%) Struts
2 8 (53.33%) J2EE
2 8 (53.33%) HTML
2 8 (53.33%) Java
2 8 (53.33%) JavaScript
2 8 (53.33%) PHP
2 8 (53.33%) Advertising
2 8 (53.33%) Hibernate
2 8 (53.33%) Web Development
2 8 (53.33%) JPA
2 8 (53.33%) Mentoring
2 8 (53.33%) Spring
3 7 (46.67%) CSS
3 7 (46.67%) Java SE
3 7 (46.67%) Java EE
4 6 (40.00%) Unix
5 5 (33.33%) Oracle
6 2 (13.33%) Windows
7 1 (6.67%) Windows XP
7 1 (6.67%) Active Directory
7 1 (6.67%) Micro Focus
7 1 (6.67%) MySQL
7 1 (6.67%) C
7 1 (6.67%) COBOL
7 1 (6.67%) Firewall
7 1 (6.67%) MVC
7 1 (6.67%) Sybase
7 1 (6.67%) JUnit
7 1 (6.67%) TDD

Linux
Co-occurring IT Skills in Chelmsford 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:

Cloud Services
1 1 (6.67%) Microsoft Azure
1 1 (6.67%) Office 365
Communications & Networking
1 1 (6.67%) Firewall
Database & Business Intelligence
1 1 (6.67%) MySQL
Development Applications
1 1 (6.67%) jMock
1 1 (6.67%) JUnit
1 1 (6.67%) Mockito
General
1 8 (53.33%) Advertising
Job Titles
1 9 (60.00%) Developer
2 8 (53.33%) Java Developer
3 4 (26.67%) Administrator
3 4 (26.67%) DBA
4 1 (6.67%) 3rd Line Engineer
4 1 (6.67%) 3rd Line Support
4 1 (6.67%) 3rd Line Support Engineer
4 1 (6.67%) Applications Support
4 1 (6.67%) COBOL Developer
4 1 (6.67%) Senior Developer
4 1 (6.67%) Senior Java Developer
4 1 (6.67%) Support Engineer
Libraries, Frameworks & Software Standards
1 8 (53.33%) Hibernate
1 8 (53.33%) HTML
1 8 (53.33%) J2EE
1 8 (53.33%) JPA
1 8 (53.33%) Spring
1 8 (53.33%) Struts
2 7 (46.67%) CSS
2 7 (46.67%) Java EE
2 7 (46.67%) Java SE
3 1 (6.67%) Spring MVC
Operating Systems
1 6 (40.00%) Unix
2 2 (13.33%) Windows
3 1 (6.67%) Windows 10
3 1 (6.67%) Windows Server
3 1 (6.67%) Windows XP
Processes & Methodologies
1 8 (53.33%) Mentoring
1 8 (53.33%) Web Development
2 1 (6.67%) MVC
2 1 (6.67%) TDD
2 1 (6.67%) Test Automation
Programming Languages
1 13 (86.67%) SQL
2 8 (53.33%) Java
2 8 (53.33%) JavaScript
2 8 (53.33%) PHP
3 1 (6.67%) C
3 1 (6.67%) COBOL
System Software
1 1 (6.67%) Active Directory
1 1 (6.67%) Hyper-V
Vendors
1 5 (33.33%) Oracle
2 1 (6.67%) Micro Focus
2 1 (6.67%) Sybase
2 1 (6.67%) VMware