Period
to 19 October 2018

The following table provides summary statistics for permanent job vacancies advertised in Chester with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 19 October 2018 with a comparison to the same period in the previous 2 years.

Open Source
Cheshire > Chester
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 44 33 47
Rank change year-on-year -11 +14 -5
Permanent jobs citing Open Source 3 10 4
As % of all permanent IT jobs advertised in Chester 1.09% 3.56% 1.34%
As % of the Processes & Methodologies category 1.16% 4.03% 1.53%
Number of salaries quoted 2 10 4
Chester median annual salary £60,000 £32,500 £28,000
Median salary % change year-on-year +84.62% +16.07% -15.15%
10th Percentile £51,250 £27,500 £23,625
90th Percentile £66,750 £55,000 £45,050
Cheshire median annual salary £52,000 £47,500 £45,000
% change year-on-year +9.47% +5.56% +5.88%

Open Source is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
Chester
Permanent vacancies with a requirement for process or methodology skills 259 248 261
As % of all permanent IT jobs advertised in Chester 93.84% 88.26% 87.58%
Number of salaries quoted 228 215 227
Chester median annual salary £42,500 £42,500 £37,500
Median salary % change year-on-year - +13.33% -11.76%
10th Percentile £25,000 £27,500 £24,500
90th Percentile £62,500 £59,250 £57,500
Cheshire median annual salary £45,000 £42,500 £37,500
% change year-on-year +5.88% +13.33% -6.25%

Open Source
Job Vacancy Trend in Chester

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

Job vacancy trend for Open Source in Chester

Open Source
Salary Trend in Chester

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

Salary trend for Open Source in Chester

For the 6 months to 19 October 2018, IT jobs citing Open Source 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 Chester region with a requirement for Open Source.

1 3 (100.00%) Amazon AWS
1 3 (100.00%) MongoDB
1 3 (100.00%) DevOps
2 2 (66.67%) Amazon Redshift
2 2 (66.67%) NoSQL
2 2 (66.67%) Big Data
2 2 (66.67%) Kafka
2 2 (66.67%) Amazon EMR
2 2 (66.67%) Configuration Management
2 2 (66.67%) Change Management
2 2 (66.67%) Cloud Computing
2 2 (66.67%) Scala
2 2 (66.67%) Hadoop
2 2 (66.67%) Amazon EC2
2 2 (66.67%) Java
2 2 (66.67%) Web Services
2 2 (66.67%) Apache
2 2 (66.67%) Python
2 2 (66.67%) Data Modelling
2 2 (66.67%) Agile Software Development
2 2 (66.67%) TDD
2 2 (66.67%) Degree
2 2 (66.67%) JIRA
2 2 (66.67%) Mathematics
2 2 (66.67%) Computer Science
2 2 (66.67%) Spark Streaming
2 2 (66.67%) Data Engineering
2 2 (66.67%) CA Agile Central
2 2 (66.67%) Apache Spark
2 2 (66.67%) Flink

Open Source
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 2 (66.67%) Apache
1 2 (66.67%) Apache Spark
Cloud Services
1 3 (100.00%) Amazon AWS
2 2 (66.67%) Amazon EC2
2 2 (66.67%) Amazon EMR
2 2 (66.67%) Cloud Computing
3 1 (33.33%) AWS CloudFormation
Communications & Networking
1 1 (33.33%) Internet
Database & Business Intelligence
1 3 (100.00%) MongoDB
2 2 (66.67%) Amazon Athena
2 2 (66.67%) Amazon Redshift
2 2 (66.67%) Big Data
2 2 (66.67%) Flink
2 2 (66.67%) Hadoop
2 2 (66.67%) NoSQL
3 1 (33.33%) MySQL
3 1 (33.33%) PostgreSQL
Development Applications
1 2 (66.67%) JIRA
Job Titles
1 2 (66.67%) Data Engineer
2 1 (33.33%) AWS DevOps
2 1 (33.33%) AWS DevOps Engineer
2 1 (33.33%) AWS Engineer
2 1 (33.33%) Big Data Engineer
2 1 (33.33%) DevOps Engineer
2 1 (33.33%) Linux DevOps Engineer
2 1 (33.33%) Linux Engineer
2 1 (33.33%) Linux/Unix DevOps
2 1 (33.33%) Senior Data Engineer
2 1 (33.33%) Senior DevOps
2 1 (33.33%) Senior DevOps Engineer
2 1 (33.33%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 2 (66.67%) Kafka
1 2 (66.67%) Spark Streaming
1 2 (66.67%) Web Services
Miscellaneous
1 2 (66.67%) Computer Science
2 1 (33.33%) Infotainment
2 1 (33.33%) Internet of Things
Operating Systems
1 1 (33.33%) Linux
Processes & Methodologies
1 3 (100.00%) DevOps
2 2 (66.67%) Agile Software Development
2 2 (66.67%) Change Management
2 2 (66.67%) Configuration Management
2 2 (66.67%) Data Engineering
2 2 (66.67%) Data Ingestion
2 2 (66.67%) Data Modelling
2 2 (66.67%) Mathematics
2 2 (66.67%) TDD
3 1 (33.33%) Continuous Integration
Programming Languages
1 2 (66.67%) Java
1 2 (66.67%) Python
1 2 (66.67%) Scala
Qualifications
1 2 (66.67%) Computer Science Degree
1 2 (66.67%) Degree
1 2 (66.67%) Numerate Degree
System Software
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Opscode Chef
1 1 (33.33%) Puppet
1 1 (33.33%) Terraform
Vendors
1 2 (66.67%) CA Agile Central