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 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Linux
Essex / Chelmsford
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 32 14 28
Rank change year-on-year -18 +14  
Permanent jobs citing Linux 8 9 6
As % of all permanent IT jobs advertised in Chelmsford 4.10% 6.43% 3.64%
As % of the Operating Systems category 20.51% 45.00% 27.27%
Number of salaries quoted 7 7 6
Median salary £33,000 £19,500 £43,750
Median salary % change year-on-year +69.23% -55.42%  
90% offered a salary of more than £26,200 £17,950 £26,875
10% offered a salary of more than £35,200 £25,000 £46,875
UK excluding London median salary £42,500 £42,500 £42,500

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 Chelmsford with a requirement for operating system skills.

Operating System Skills
Chelmsford
Permanent job vacancies with a requirement for operating system skills 39 20 22
As % of all permanent IT job vacancies advertised in Chelmsford 20.00% 14.29% 13.33%
Number of salaries quoted 63 48 34
Median salary £31,000 £27,000 £45,000
Median salary % change year-on-year +14.81% -40.00%  
90% offered a salary of more than £16,750 £18,675 £25,125
10% offered a salary of more than £48,750 £47,500 £35,000
UK excluding London median salary £37,500 £37,500 £37,500

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 3 months to 28 June 2017.

Salary histogram for Linux in Chelmsford

For the 6 months to 28 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 Chelmsford region with a requirement for Linux.

1 8 (80.00%) Unix
2 6 (60.00%) SQL
3 5 (50.00%) Oracle
4 4 (40.00%) Windows
5 3 (30.00%) Windows Server
5 3 (30.00%) Firewall
6 2 (20.00%) VMware
6 2 (20.00%) Active Directory
6 2 (20.00%) Cisco
6 2 (20.00%) C
6 2 (20.00%) Hyper-V
6 2 (20.00%) Office 365
7 1 (10.00%) Oracle Database
7 1 (10.00%) Algorithms
7 1 (10.00%) Windows 10
7 1 (10.00%) Test Automation
7 1 (10.00%) Microsoft Azure
7 1 (10.00%) Unified Communications
7 1 (10.00%) GIS
7 1 (10.00%) Complexity Analysis
7 1 (10.00%) Geospatial Data
7 1 (10.00%) CCIE Service Provider
7 1 (10.00%) C++
7 1 (10.00%) COBOL
7 1 (10.00%) MySQL
7 1 (10.00%) Sybase
7 1 (10.00%) Microsoft Office
7 1 (10.00%) ITIL
7 1 (10.00%) Microsoft
7 1 (10.00%) CCIE

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:

Applications
1 1 (10.00%) Microsoft Office
Cloud Services
1 2 (20.00%) Office 365
2 1 (10.00%) Microsoft Azure
Communications & Networking
1 3 (30.00%) Firewall
2 1 (10.00%) TCP/IP
2 1 (10.00%) Unified Communications
Database & Business Intelligence
1 1 (10.00%) Geospatial Data
1 1 (10.00%) GIS
1 1 (10.00%) MySQL
1 1 (10.00%) Oracle Database
Job Titles
1 4 (40.00%) Administrator
1 4 (40.00%) DBA
2 2 (20.00%) 3rd Line Engineer
2 2 (20.00%) 3rd Line Support
2 2 (20.00%) 3rd Line Support Engineer
2 2 (20.00%) Developer
2 2 (20.00%) Support Engineer
3 1 (10.00%) Applications Support
3 1 (10.00%) Cisco Engineer
3 1 (10.00%) Cisco Network Engineer
3 1 (10.00%) COBOL Developer
3 1 (10.00%) GIS Developer
3 1 (10.00%) Network Engineer
Miscellaneous
1 1 (10.00%) Algorithms
1 1 (10.00%) Computer Science
Operating Systems
1 8 (80.00%) Unix
2 4 (40.00%) Windows
3 3 (30.00%) Windows Server
4 1 (10.00%) Windows 10
4 1 (10.00%) Windows XP
Processes & Methodologies
1 1 (10.00%) Complexity Analysis
1 1 (10.00%) Data Analysis
1 1 (10.00%) ITIL
1 1 (10.00%) Network Planning
1 1 (10.00%) Project Planning
1 1 (10.00%) Software Testing
1 1 (10.00%) Test Automation
Programming Languages
1 6 (60.00%) SQL
2 2 (20.00%) C
3 1 (10.00%) C++
3 1 (10.00%) COBOL
3 1 (10.00%) Python
Qualifications
1 1 (10.00%) CCIE
1 1 (10.00%) CCIE Service Provider
1 1 (10.00%) CCNA
1 1 (10.00%) CCNP
1 1 (10.00%) CCSP
1 1 (10.00%) Cisco Certification
1 1 (10.00%) Degree
System Software
1 2 (20.00%) Active Directory
1 2 (20.00%) Hyper-V
2 1 (10.00%) VMware Infrastructure
Vendors
1 5 (50.00%) Oracle
2 2 (20.00%) Cisco
2 2 (20.00%) VMware
3 1 (10.00%) Dell
3 1 (10.00%) Micro Focus
3 1 (10.00%) Microsoft
3 1 (10.00%) SonicWALL
3 1 (10.00%) Sybase