The following table provides summary statistics for permanent job vacancies advertised in Chester 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 30 March 2017 with a comparison to the same period in the previous 2 years.

Linux
Cheshire / Chester
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 20 19 14
Rank change year-on-year -1 -5  
Permanent jobs citing Linux 9 15 16
As % of all permanent IT jobs advertised in Chester 6.34% 9.43% 9.30%
As % of the Operating Systems category 52.94% 45.45% 51.61%
Number of salaries quoted 9 15 14
Median salary £29,000 £30,000 £42,500
Median salary % change year-on-year -3.33% -29.41%  
90% offered a salary of more than £28,000 £27,500 £32,950
10% offered a salary of more than £30,000 £43,500 £45,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

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 Chester with a requirement for operating system skills.

Operating System Skills
Chester
Permanent job vacancies with a requirement for operating system skills 17 33 31
As % of all permanent IT job vacancies advertised in Chester 11.97% 20.75% 18.02%
Number of salaries quoted 16 31 24
Median salary £29,000 £32,500 £37,500
Median salary % change year-on-year -10.76% -13.33%  
90% offered a salary of more than £28,500 £27,150 £21,400
10% offered a salary of more than £43,750 £60,000 £42,500
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Chester

The job posting trend of jobs advertised in Chester 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 Chester

Linux
Salary Trend in Chester

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

Salary trend for Linux in Chester

For the 6 months to 30 March 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 Chester region with a requirement for Linux.

1 8 (32.00%) JavaScript
1 8 (32.00%) Amazon AWS
2 7 (28.00%) Telematics
2 7 (28.00%) DevOps
3 6 (24.00%) Internet of Things
3 6 (24.00%) CAN bus
3 6 (24.00%) QMS
3 6 (24.00%) Software Engineering
3 6 (24.00%) C
3 6 (24.00%) C++
3 6 (24.00%) SQL Server
3 6 (24.00%) Windows
3 6 (24.00%) GPRS
3 6 (24.00%) Ethernet
3 6 (24.00%) TCP/IP
3 6 (24.00%) Firmware
3 6 (24.00%) Internet
4 5 (20.00%) Microsoft
4 5 (20.00%) Active Directory
4 5 (20.00%) Java
4 5 (20.00%) VLAN
4 5 (20.00%) Agile Software Development
4 5 (20.00%) Open Source
4 5 (20.00%) Windows Server
5 4 (16.00%) Web Development
5 4 (16.00%) Django
5 4 (16.00%) Python
6 3 (12.00%) SQL
6 3 (12.00%) VoIP
6 3 (12.00%) MS Exchange

Linux
Co-occurring IT Skills in Chester 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 3 (12.00%) MS Exchange
2 2 (8.00%) Apache
2 2 (8.00%) WebSphere
Applications
1 2 (8.00%) MS Excel
Cloud Services
1 8 (32.00%) Amazon AWS
2 3 (12.00%) Microsoft Azure
3 1 (4.00%) Amazon EC2
3 1 (4.00%) Amazon ELB
3 1 (4.00%) Amazon S3
3 1 (4.00%) Route 53
Communications & Networking
1 6 (24.00%) Ethernet
1 6 (24.00%) GPRS
1 6 (24.00%) Internet
1 6 (24.00%) TCP/IP
2 5 (20.00%) VLAN
3 3 (12.00%) VoIP
4 2 (8.00%) Cisco ASA
4 2 (8.00%) Cisco IOS
4 2 (8.00%) Firewall
4 2 (8.00%) SAN
Database & Business Intelligence
1 6 (24.00%) SQL Server
2 2 (8.00%) MongoDB
2 2 (8.00%) MySQL
2 2 (8.00%) Oracle Database
3 1 (4.00%) Big Data
3 1 (4.00%) Hadoop
Development Applications
1 3 (12.00%) Jenkins
2 2 (8.00%) Hudson
3 1 (4.00%) Git (software)
3 1 (4.00%) Gradle
3 1 (4.00%) JUnit
3 1 (4.00%) Maven
3 1 (4.00%) Vagrant
General
1 3 (12.00%) Finance
Job Titles
1 8 (32.00%) Developer
2 6 (24.00%) Embedded Engineer
2 6 (24.00%) Embedded Software Engineer
2 6 (24.00%) Senior Embedded Software Engineer
2 6 (24.00%) Senior Software Engineer
2 6 (24.00%) Software Engineer
2 6 (24.00%) Support Engineer
3 5 (20.00%) 2nd/3rd Line Support
3 5 (20.00%) 2nd/3rd Line Support Engineer
3 5 (20.00%) 3rd Line Engineer
3 5 (20.00%) 3rd Line Support
3 5 (20.00%) 3rd Line Support Engineer
4 4 (16.00%) Python Developer
5 3 (12.00%) DevOps Engineer
5 3 (12.00%) Java Developer
5 3 (12.00%) Linux Engineer
5 3 (12.00%) Linux Support
5 3 (12.00%) Linux Support Engineer
5 3 (12.00%) Windows Engineer
5 3 (12.00%) Windows Support Engineer
Libraries, Frameworks & Software Standards
1 4 (16.00%) Django
2 3 (12.00%) Spring
3 2 (8.00%) Guava
3 2 (8.00%) JAX-RS
3 2 (8.00%) REST
3 2 (8.00%) Web Services
4 1 (4.00%) AngularJS
4 1 (4.00%) Behat
4 1 (4.00%) CSS
4 1 (4.00%) HTML
4 1 (4.00%) Laravel
Miscellaneous
1 6 (24.00%) CAN bus
1 6 (24.00%) Internet of Things
2 2 (8.00%) EMC VNX
3 1 (4.00%) Analytical Skills
3 1 (4.00%) Linux Command Line
3 1 (4.00%) Management Information System
3 1 (4.00%) User Experience
Operating Systems
1 6 (24.00%) Windows
2 5 (20.00%) Windows Server
3 2 (8.00%) CentOS
3 2 (8.00%) Unix
3 2 (8.00%) Windows Server 2012
Processes & Methodologies
1 7 (28.00%) DevOps
1 7 (28.00%) Telematics
2 6 (24.00%) QMS
2 6 (24.00%) Software Engineering
3 5 (20.00%) Agile Software Development
3 5 (20.00%) Open Source
4 4 (16.00%) Web Development
5 3 (12.00%) Server Building
6 2 (8.00%) E-Commerce
7 1 (4.00%) Automated Testing
7 1 (4.00%) B2C
7 1 (4.00%) Data Analytics
7 1 (4.00%) Information Security
7 1 (4.00%) Mentoring
7 1 (4.00%) MVC
7 1 (4.00%) OO
7 1 (4.00%) OO PHP
7 1 (4.00%) Pair Programming
7 1 (4.00%) Patch Management
7 1 (4.00%) TDD
Programming Languages
1 8 (32.00%) JavaScript
2 6 (24.00%) C
2 6 (24.00%) C++
3 5 (20.00%) Java
4 4 (16.00%) Python
5 3 (12.00%) SQL
6 1 (4.00%) Bash Shell
6 1 (4.00%) Perl
6 1 (4.00%) PHP
6 1 (4.00%) PHP 5
Quality Assurance & Compliance
1 1 (4.00%) QA
System Software
1 6 (24.00%) Firmware
2 5 (20.00%) Active Directory
3 2 (8.00%) Docker
3 2 (8.00%) Virtual Servers
3 2 (8.00%) VMware Infrastructure
3 2 (8.00%) vSphere
Systems Management
1 3 (12.00%) Puppet
2 2 (8.00%) Backup Exec
3 1 (4.00%) Ansible
3 1 (4.00%) Opscode Chef
Vendors
1 5 (20.00%) Microsoft
2 3 (12.00%) Kaspersky
2 3 (12.00%) Sophos
3 2 (8.00%) CheckPoint
3 2 (8.00%) Cisco
3 2 (8.00%) EMC
3 2 (8.00%) IBM
3 2 (8.00%) Oracle
3 2 (8.00%) Palo Alto
3 2 (8.00%) Red Hat
3 2 (8.00%) VMware
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