The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Data Warehouse skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Warehouse over the 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Data Warehousing
East of England / Hertfordshire
Rank 51 45 46
Rank change year-on-year -6 +1  
Contract jobs citing Data Warehouse 10 8 20
As % of all contract IT jobs advertised in Hertfordshire 1.65% 1.19% 2.84%
As % of the Database & Business Intelligence category 8.55% 9.64% 11.70%
Number of daily rates quoted 6 5 9
Median daily rate £314 £348 £600
Median daily rate % change year-on-year -9.71% -42.08%  
UK excluding London median daily rate £400 £407 £400
% change year-on-year -1.60% +1.63%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £35.00 £59.25 £34.00
% change year-on-year -40.92% +74.26%  

Data Warehouse is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
Hertfordshire
Contract job vacancies with a requirement for database and business intelligence skills 117 83 171
As % of all contract IT job vacancies advertised in Hertfordshire 19.31% 12.31% 24.29%
Number of daily rates quoted 75 36 101
Median daily rate £405 £388 £400
Median daily rate % change year-on-year +4.51% -3.12%  
90% offered a daily rate of more than £246 £290 £286
10% offered a daily rate of more than £550 £475 £500
UK excluding London median daily rate £395 £388 £375
% change year-on-year +1.93% +3.33%  
Number of hourly rates quoted 1 1 2
Median hourly rate £27.50 £37.50 £14.85
Median hourly rate % change year-on-year -26.66% +152.52%  
UK excluding London median hourly rate £30.25 £33.00 £32.50
% change year-on-year -8.33% +1.53%  

Data Warehouse
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Data Warehouse in Hertfordshire

Data Warehouse
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Warehouse in Hertfordshire.

Contractor daily rate trend for Data Warehouse in Hertfordshire

Data Warehouse
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Data Warehouse in Hertfordshire over the 3 months to 22 March 2017.

Contractor daily rate histogram for Data Warehouse in Hertfordshire

Data Warehouse
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Data Warehouse in Hertfordshire.

Contractor hourly rate trend for Data Warehouse in Hertfordshire

Data Warehouse
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 Warehouse within the Hertfordshire region over the 3 months to 22 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City -2 2 £325 +12.06%
Watford -4 2 - -
Hatfield - 1 £303 -
Data Warehouse
East of England

Data Warehouse
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 22 March 2017, IT contractor jobs citing Data Warehouse 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 Warehouse.

1 11 (68.75%) SQL
2 8 (50.00%) ETL
2 8 (50.00%) SQL Server
3 6 (37.50%) SQL Server Reporting Services
3 6 (37.50%) SQL Server Integration Services
4 5 (31.25%) SQL Server Analysis Services
4 5 (31.25%) Microsoft
4 5 (31.25%) Finance
4 5 (31.25%) NHS
4 5 (31.25%) SQL Server 2008
5 4 (25.00%) SQL Server 2012
5 4 (25.00%) Business Intelligence
5 4 (25.00%) Oracle
5 4 (25.00%) Retail
6 3 (18.75%) Kimball Methodology
6 3 (18.75%) Analytical Skills
7 2 (12.50%) Actionable Insight
7 2 (12.50%) Merchandise Planning
7 2 (12.50%) Business Process Analysis
7 2 (12.50%) Relational Database
7 2 (12.50%) Automation Testing
7 2 (12.50%) Test Strategy
7 2 (12.50%) Oracle Retail
7 2 (12.50%) E-business
7 2 (12.50%) T-SQL
7 2 (12.50%) MS Excel
7 2 (12.50%) DTS
7 2 (12.50%) User Acceptance Testing
7 2 (12.50%) Unit Testing
7 2 (12.50%) Mathematics

Data Warehouse
Top Related 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:

Applications
1 2 (12.50%) MS Excel
Business Applications
1 2 (12.50%) Oracle Retail
2 1 (6.25%) SAP Oil and Gas
Cloud Services
1 1 (6.25%) Microsoft Azure
Database & Business Intelligence
1 8 (50.00%) SQL Server
2 6 (37.50%) SQL Server Integration Services
2 6 (37.50%) SQL Server Reporting Services
3 5 (31.25%) SQL Server 2008
3 5 (31.25%) SQL Server Analysis Services
4 4 (25.00%) SQL Server 2012
5 2 (12.50%) DTS
5 2 (12.50%) QlikView
5 2 (12.50%) Relational Database
6 1 (6.25%) Data Mining
6 1 (6.25%) Oracle Database
6 1 (6.25%) Oracle Database 11g
6 1 (6.25%) Oracle Database 12c
6 1 (6.25%) Power BI
6 1 (6.25%) RDBMS
6 1 (6.25%) SQL Server 2000
6 1 (6.25%) SQL Server 2005
6 1 (6.25%) SQL Server 2014
General
1 5 (31.25%) Finance
2 4 (25.00%) Retail
3 1 (6.25%) Electronics
3 1 (6.25%) Manufacturing
3 1 (6.25%) Marketing
3 1 (6.25%) Telecoms
Job Titles
1 7 (43.75%) Developer
2 5 (31.25%) Analyst
2 5 (31.25%) SQL Developer
3 3 (18.75%) Data Warehouse Developer
3 3 (18.75%) SQL Analyst
3 3 (18.75%) Test Analyst
4 2 (12.50%) Applications Consultant
4 2 (12.50%) Business Developer
4 2 (12.50%) Consultant
4 2 (12.50%) Data Analyst
4 2 (12.50%) ETL Analyst
4 2 (12.50%) ETL Tester
4 2 (12.50%) Financial Analyst
4 2 (12.50%) Functional Consultant
4 2 (12.50%) Oracle Consultant
4 2 (12.50%) Server Consultant
4 2 (12.50%) SQL Server Developer
4 2 (12.50%) SSIS Developer
4 2 (12.50%) SSRS Developer
4 2 (12.50%) Tester
Miscellaneous
1 5 (31.25%) NHS
2 3 (18.75%) Analytical Skills
3 2 (12.50%) FMCG
4 1 (6.25%) Algorithms
4 1 (6.25%) Clustering
Operating Systems
1 1 (6.25%) Windows
1 1 (6.25%) Windows 2000
1 1 (6.25%) Windows Server 2003
1 1 (6.25%) Windows Server 2008
1 1 (6.25%) Windows Server 2012
Processes & Methodologies
1 8 (50.00%) ETL
2 4 (25.00%) Business Intelligence
3 3 (18.75%) Kimball Methodology
4 2 (12.50%) Actionable Insight
4 2 (12.50%) Automation Testing
4 2 (12.50%) Business Process Analysis
4 2 (12.50%) Data Integration
4 2 (12.50%) E-business
4 2 (12.50%) Financial Modelling
4 2 (12.50%) Mathematics
4 2 (12.50%) Merchandise Planning
4 2 (12.50%) Test Strategy
4 2 (12.50%) Unit Testing
4 2 (12.50%) User Acceptance Testing
5 1 (6.25%) Agile Software Development
5 1 (6.25%) Data Extraction
5 1 (6.25%) Data Mapping
5 1 (6.25%) Data Migration
5 1 (6.25%) Digital Marketing
5 1 (6.25%) Test Scripting
Programming Languages
1 11 (68.75%) SQL
2 2 (12.50%) T-SQL
3 1 (6.25%) MATLAB
Qualifications
1 1 (6.25%) Degree
1 1 (6.25%) Oracle Certification
Systems Management
1 1 (6.25%) Data Guard
Vendors
1 5 (31.25%) Microsoft
2 4 (25.00%) Oracle
3 1 (6.25%) SAP
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