The following table provides summary statistics for permanent job vacancies advertised in Chester with a requirement for Hadoop skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Hadoop over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Apache Hadoop
Cheshire / Chester
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 26 33 33
Rank change year-on-year +7 0  
Permanent jobs citing Hadoop 6 2 2
As % of all permanent IT jobs advertised in Chester 3.95% 1.12% 1.06%
As % of the Database & Business Intelligence category 9.23% 3.64% 3.39%
Number of salaries quoted 5 2 2
Median salary £45,000 £50,000 £43,750
Median salary % change year-on-year -10.00% +14.28%  
90% offered a salary of more than £43,500 £44,000 £40,750
10% offered a salary of more than £66,000 £56,000 £46,750
UK excluding London median salary £54,500 £54,000 £50,000
% change year-on-year +0.92% +8.00%  

Hadoop is in the database and business intelligence 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 database and business intelligence skills.

Database & Business Intelligence Skills
Chester
Permanent job vacancies with a requirement for database and business intelligence skills 65 55 59
As % of all permanent IT job vacancies advertised in Chester 42.76% 30.90% 31.38%
Number of salaries quoted 61 52 34
Median salary £40,000 £29,000 £37,500
Median salary % change year-on-year +37.93% -22.66%  
90% offered a salary of more than £30,500 £27,500 £23,050
10% offered a salary of more than £47,500 £45,750 £55,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

Hadoop
Job Vacancy Trend in Chester

The job posting trend of jobs advertised in Chester citing Hadoop as a proportion of all permanent or contract IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Hadoop in Chester

Hadoop
Salary Trend in Chester

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

Salary trend for Hadoop in Chester

Hadoop
Salary Histogram in Chester

The salary distribution of IT jobs citing Hadoop in Chester over the 3 months to 25 June 2017.

Salary histogram for Hadoop in Chester

For the 6 months to 25 June 2017, IT jobs citing Hadoop 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 Hadoop.

1 9 (90.00%) Big Data
1 9 (90.00%) Kafka
1 9 (90.00%) Apache Spark
2 8 (80.00%) Agile Software Development
2 8 (80.00%) ETL
3 5 (50.00%) Business Intelligence
3 5 (50.00%) SQL
3 5 (50.00%) T-SQL
3 5 (50.00%) Big Data Analytics
3 5 (50.00%) Data Warehouse
3 5 (50.00%) Data Analytics
3 5 (50.00%) Analytics
4 4 (40.00%) Apache Pig
4 4 (40.00%) HDFS
4 4 (40.00%) Impala
4 4 (40.00%) Mentoring
4 4 (40.00%) Apache Hive
4 4 (40.00%) NoSQL
4 4 (40.00%) MapReduce
4 4 (40.00%) HBase
4 4 (40.00%) Data Architecture
4 4 (40.00%) Unix
4 4 (40.00%) Linux
4 4 (40.00%) Shell Script
4 4 (40.00%) Configuration Management
5 2 (20.00%) Microsoft
5 2 (20.00%) Java
6 1 (10.00%) C#
6 1 (10.00%) IBM
6 1 (10.00%) Informatica

Hadoop
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 9 (90.00%) Apache Spark
2 4 (40.00%) Apache Pig
Cloud Services
1 1 (10.00%) Amazon AWS
Database & Business Intelligence
1 9 (90.00%) Big Data
2 5 (50.00%) Data Warehouse
3 4 (40.00%) Apache Hive
3 4 (40.00%) HBase
3 4 (40.00%) Impala
3 4 (40.00%) NoSQL
4 1 (10.00%) Pentaho
4 1 (10.00%) SQL Server Analysis Services
4 1 (10.00%) SQL Server Integration Services
4 1 (10.00%) SQL Server Reporting Services
Development Applications
1 1 (10.00%) Talend Open Studio
Job Titles
1 4 (40.00%) Analyst
1 4 (40.00%) Data Engineer
1 4 (40.00%) SQL Analyst
1 4 (40.00%) SQL Data Analyst
1 4 (40.00%) Test Analyst
1 4 (40.00%) Test Data Analyst
2 3 (30.00%) Hadoop Engineer
3 1 (10.00%) Business Intelligence Developer
3 1 (10.00%) Developer
3 1 (10.00%) Senior Business Intelligence Developer
3 1 (10.00%) Senior Developer
Libraries, Frameworks & Software Standards
1 9 (90.00%) Kafka
Miscellaneous
1 1 (10.00%) Analytical Skills
Operating Systems
1 4 (40.00%) Linux
1 4 (40.00%) Unix
Processes & Methodologies
1 8 (80.00%) Agile Software Development
1 8 (80.00%) ETL
2 5 (50.00%) Analytics
2 5 (50.00%) Big Data Analytics
2 5 (50.00%) Business Intelligence
2 5 (50.00%) Data Analytics
3 4 (40.00%) Configuration Management
3 4 (40.00%) Data Architecture
3 4 (40.00%) MapReduce
3 4 (40.00%) Mentoring
4 1 (10.00%) Dimensional Modelling
4 1 (10.00%) Open Source
Programming Languages
1 5 (50.00%) SQL
1 5 (50.00%) T-SQL
2 4 (40.00%) Shell Script
3 2 (20.00%) Java
4 1 (10.00%) C#
System Software
1 4 (40.00%) HDFS
2 1 (10.00%) Apache Flume
Vendors
1 2 (20.00%) Microsoft
2 1 (10.00%) Cloudera
2 1 (10.00%) Google
2 1 (10.00%) Hortonworks
2 1 (10.00%) IBM
2 1 (10.00%) Informatica
2 1 (10.00%) Talend
2 1 (10.00%) Teradata