Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Chester with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cheshire > Chester
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 49 47 58
Rank change year-on-year -2 +11 +3
Permanent jobs citing CentOS 3 2 7
As % of all permanent IT jobs advertised in Chester 0.86% 0.70% 1.44%
As % of the Operating Systems category 3.95% 3.57% 5.93%
Number of salaries quoted 2 1 4
Chester median annual salary £30,750 £39,000 £45,000
Median salary % change year-on-year -21.15% -13.33% -
10th Percentile £27,575 £37,000 £42,500
90th Percentile £34,525 £41,000 £56,250
Cheshire median annual salary £31,500 £28,000 £45,000
% change year-on-year +12.50% -37.78% +38.46%

CentOS 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 Chester with a requirement for operating system skills.

All Operating Systems
Chester
Permanent vacancies with a requirement for operating system skills 76 56 118
As % of all permanent IT jobs advertised in Chester 21.84% 19.72% 24.33%
Number of salaries quoted 73 51 92
Chester median annual salary £37,500 £32,500 £36,250
Median salary % change year-on-year +15.38% -10.34% +3.57%
10th Percentile £19,600 £22,000 £21,075
90th Percentile £51,000 £48,750 £67,375
Cheshire median annual salary £40,000 £32,500 £37,000
% change year-on-year +23.08% -12.16% -1.33%

CentOS
Job Vacancy Trend in Chester

Job postings citing CentOS as a percentage of all IT jobs advertised in Chester.

Job vacancy trend for CentOS in Chester

CentOS
Salary Trend in Chester

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

Salary trend for CentOS in Chester

For the 6 months to 18 November 2017, IT jobs citing CentOS 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 CentOS.

1 3 (100.00%) Java
1 3 (100.00%) JavaScript
1 3 (100.00%) MySQL
1 3 (100.00%) Linux
1 3 (100.00%) Apache
1 3 (100.00%) Tomcat
1 3 (100.00%) Spring
1 3 (100.00%) Red Hat Enterprise Linux
1 3 (100.00%) Git (software)
1 3 (100.00%) Amazon EC2
1 3 (100.00%) Amazon AWS
1 3 (100.00%) Bash Shell
1 3 (100.00%) MongoDB
1 3 (100.00%) Amazon SQS
1 3 (100.00%) CloudFront
1 3 (100.00%) GitHub
1 3 (100.00%) Jenkins
1 3 (100.00%) Amazon RDS
1 3 (100.00%) DevOps
1 3 (100.00%) AWS CloudFormation
1 3 (100.00%) Virtual Private Cloud
2 2 (66.67%) Salt
2 2 (66.67%) Opscode Chef
2 2 (66.67%) Ansible
2 2 (66.67%) Docker
2 2 (66.67%) Infrastructure Management
2 2 (66.67%) Puppet
2 2 (66.67%) Marketing
3 1 (33.33%) Groovy
3 1 (33.33%) Customer Engagement

CentOS
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 (100.00%) Apache
1 3 (100.00%) Tomcat
Cloud Services
1 3 (100.00%) Amazon AWS
1 3 (100.00%) Amazon EC2
1 3 (100.00%) Amazon SQS
1 3 (100.00%) AWS CloudFormation
1 3 (100.00%) CloudFront
1 3 (100.00%) GitHub
1 3 (100.00%) Virtual Private Cloud
Database & Business Intelligence
1 3 (100.00%) Amazon RDS
1 3 (100.00%) MongoDB
1 3 (100.00%) MySQL
Development Applications
1 3 (100.00%) Git (software)
1 3 (100.00%) Jenkins
General
1 2 (66.67%) Marketing
Job Titles
1 3 (100.00%) AWS Developer
1 3 (100.00%) Developer
1 3 (100.00%) Java Developer
2 2 (66.67%) AWS DevOps
2 2 (66.67%) DevOps Developer
3 1 (33.33%) AWS DevOps Engineer
3 1 (33.33%) AWS Engineer
3 1 (33.33%) DevOps Engineer
3 1 (33.33%) Java Engineer
Libraries, Frameworks & Software Standards
1 3 (100.00%) Spring
Operating Systems
1 3 (100.00%) Linux
1 3 (100.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 3 (100.00%) DevOps
2 2 (66.67%) Infrastructure Management
3 1 (33.33%) Agile Software Development
3 1 (33.33%) Customer Engagement
Programming Languages
1 3 (100.00%) Bash Shell
1 3 (100.00%) Java
1 3 (100.00%) JavaScript
2 1 (33.33%) Groovy
System Software
1 2 (66.67%) Docker
Systems Management
1 2 (66.67%) Ansible
1 2 (66.67%) Opscode Chef
1 2 (66.67%) Puppet
1 2 (66.67%) Salt