Period
to 16 December 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Data Lake skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Lake over the 6 months to 16 December 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Lakes
East of England > Hertfordshire
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 93 - -
Rank change year-on-year - - -
Contract jobs citing Data Lake 6 0 0
As % of all contract IT jobs advertised in Hertfordshire 0.38% - -
As % of the Database & Business Intelligence category 1.86% - -
Number of daily rates quoted 0 0 0
Hertfordshire median daily rate - - -
East of England median daily rate £565 £563 -
% change year-on-year +0.44% - -
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - -

Data Lake is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Hertfordshire
Contract vacancies with a requirement for database or business intelligence skills 323 292 318
As % of all contract IT jobs advertised in Hertfordshire 20.29% 20.36% 20.57%
Number of daily rates quoted 174 162 168
Hertfordshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +5.63%
10th Percentile £313 £256 £238
90th Percentile £579 £538 £575
East of England median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 5 1 7
Hertfordshire median hourly rate £19.00 £45.00 £15.00
Median hourly rate % change year-on-year -57.78% +200.00% -25.00%
10th Percentile £16.25 £45.00 £11.25
90th Percentile £30.85 £45.00 £48.00
East of England median hourly rate £37.00 £36.07 £35.50
% change year-on-year +2.58% +1.61% +24.56%

Data Lake
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Lake within the Hertfordshire region over the 6 months to 16 December 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford - 6 - -
Data Lake
East of England

For the 6 months to 16 December 2017, IT contractor jobs citing Data Lake also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for Data Lake.

1 5 (83.33%) SQL
1 5 (83.33%) Data Warehouse
1 5 (83.33%) SQL Server Integration Services
2 4 (66.67%) Data Modelling
2 4 (66.67%) SQL Server
2 4 (66.67%) T-SQL
2 4 (66.67%) Business Intelligence
3 3 (50.00%) RDBMS
3 3 (50.00%) VB.NET
3 3 (50.00%) .NET
3 3 (50.00%) OLAP
3 3 (50.00%) Visual Studio
3 3 (50.00%) ETL
3 3 (50.00%) Agile Software Development
3 3 (50.00%) Workflow
3 3 (50.00%) Finance
3 3 (50.00%) SQL Server Reporting Services
3 3 (50.00%) C#
3 3 (50.00%) SQL Server Analysis Services
3 3 (50.00%) Big Data
3 3 (50.00%) Kimball Methodology
3 3 (50.00%) Relational Database
3 3 (50.00%) OLAP Cube
3 3 (50.00%) Power BI
4 2 (33.33%) Azure Data Factory
4 2 (33.33%) Azure SQL Data Warehouse
4 2 (33.33%) Microsoft Azure
4 2 (33.33%) Microsoft
5 1 (16.67%) Adobe
5 1 (16.67%) Retail

Data Lake
Co-occurring IT Skills in Hertfordshire 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:

Cloud Services
1 2 (33.33%) Azure Data Factory
1 2 (33.33%) Microsoft Azure
2 1 (16.67%) BlueKai
Database & Business Intelligence
1 5 (83.33%) Data Warehouse
1 5 (83.33%) SQL Server Integration Services
2 4 (66.67%) SQL Server
3 3 (50.00%) Big Data
3 3 (50.00%) OLAP
3 3 (50.00%) OLAP Cube
3 3 (50.00%) Power BI
3 3 (50.00%) RDBMS
3 3 (50.00%) Relational Database
3 3 (50.00%) SQL Server Analysis Services
3 3 (50.00%) SQL Server Reporting Services
4 2 (33.33%) Azure SQL Data Warehouse
Development Applications
1 3 (50.00%) Visual Studio
General
1 3 (50.00%) Finance
2 1 (16.67%) Retail
Job Titles
1 3 (50.00%) Analyst
1 3 (50.00%) Analyst Developer
1 3 (50.00%) Business Intelligence Analyst
1 3 (50.00%) Business Intelligence Developer
1 3 (50.00%) Consultant
1 3 (50.00%) Data Consultant
1 3 (50.00%) Developer
1 3 (50.00%) Developer Analyst
2 2 (33.33%) Data Warehouse Consultant
2 2 (33.33%) Microsoft Consultant
3 1 (16.67%) Architect
3 1 (16.67%) Azure Consultant
3 1 (16.67%) Business Intelligence Consultant
3 1 (16.67%) Data Architect
3 1 (16.67%) Management Consultant
3 1 (16.67%) Microsoft BI Consultant
3 1 (16.67%) Platform Architect
3 1 (16.67%) SSIS Consultant
Libraries, Frameworks & Software Standards
1 3 (50.00%) .NET
Miscellaneous
1 1 (16.67%) Blog
1 1 (16.67%) Digital Media
Processes & Methodologies
1 4 (66.67%) Business Intelligence
1 4 (66.67%) Data Modelling
2 3 (50.00%) Agile Software Development
2 3 (50.00%) ETL
2 3 (50.00%) Kimball Methodology
2 3 (50.00%) Workflow
3 1 (16.67%) Data Analysis
3 1 (16.67%) Data Management
3 1 (16.67%) Tag Management
Programming Languages
1 5 (83.33%) SQL
2 4 (66.67%) T-SQL
3 3 (50.00%) C#
3 3 (50.00%) VB.NET
4 1 (16.67%) U-SQL
Vendors
1 2 (33.33%) Microsoft
2 1 (16.67%) Adobe
2 1 (16.67%) Tealium