The table below looks at the statistics for Data Quality skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited Data Quality over the 3 months to 30 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 Sep 2016
Same period 2015 Same period 2014
Data Quality
Rank 55 64 64
Rank change year-on-year
+9 0
Contract jobs citing Data Quality 8 4 14
As % of all contract IT jobs located in Hertfordshire 1.06% 0.54% 1.64%
As % of the Quality Assurance & Compliance category 13.11% 5.63% 15.73%
Number of daily rates quoted 6 1 12
Median daily rate £269 £310 £333
Median daily rate % change year-on-year
-13.30% -6.76%
90% offered a daily rate of more than £235 £310 £212
10% offered a daily rate of more than £485 £310 £375
UK excluding London median daily rate £425 £450 £375
% change year-on-year
-5.55% +20.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £10.00 £13.50 £16.50
% change year-on-year
-25.92% -18.18%
Data Quality
East of England

The following table is for comparison with the above and provides statistics for the entire Quality Assurance & Compliance category in contract jobs advertised in the Hertfordshire region.

Quality Assurance & Compliance Category
Hertfordshire
Contract IT job ads with a match in the
Quality Assurance & Compliance category
61 71 89
As % of all contract IT jobs located in Hertfordshire 8.07% 9.53% 10.42%
Number of daily rates quoted 27 28 37
Median daily rate £400 £291 £350
Median daily rate % change year-on-year
+37.33% -16.78%
90% offered a daily rate of more than £219 £123 £193
10% offered a daily rate of more than £525 £476 £450
UK excluding London median daily rate £400 £413 £375
% change year-on-year
-3.03% +10.00%
Number of hourly rates quoted 3 8 4
Median hourly rate £45.00 £21.53 £25.00
Median hourly rate % change year-on-year
+109.05% -13.90%
UK excluding London median hourly rate £32.00 £28.00 £20.00
% change year-on-year
+14.28% +40.00%

Data Quality
Jobs Demand Trend in Hertfordshire

The demand trend of contract jobs across the Hertfordshire region citing Data Quality as a proportion of all IT contracts with a match in the Quality Assurance & Compliance category.

Data Quality Jobs Demand Trend in Hertfordshire

Data Quality
Daily Rate Trend in Hertfordshire

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

Data Quality Daily Rate Trend in Hertfordshire

Data Quality
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing Data Quality across the Hertfordshire region over the 3 months to 30 September 2016.

Data Quality Daily Rate Histogram in Hertfordshire

Data Quality
Hourly Rate Trend in Hertfordshire

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

Data Quality Hourly Rate Trend in Hertfordshire

Data Quality
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 Quality within the Hertfordshire region over the 3 months to 30 September 2016. 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
(Click see detailed
statistics and trends)
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 -3 2 £266 -14.11%
Stevenage - 2 £238 -
St Albans - 1 £445 -
Welwyn - 1 - -
Data Quality
East of England

Data Quality
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 30 September 2016, IT contractor jobs citing Data Quality 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 Quality.

1 12 (80.00%) Data Warehouse
1 12 (80.00%) ETL
2 11 (73.33%) Unit Testing
3 10 (66.67%) Agile Software Development
3 10 (66.67%) Oracle
4 9 (60.00%) Informatica
4 9 (60.00%) Dimensional Modelling
4 9 (60.00%) Oracle Database
4 9 (60.00%) Performance Tuning
5 8 (53.33%) Data Transformation
5 8 (53.33%) Data Extraction
5 8 (53.33%) Validation
6 7 (46.67%) SQL
6 7 (46.67%) Data Mart
6 7 (46.67%) PowerCenter
6 7 (46.67%) ERwin
6 7 (46.67%) RDBMS
6 7 (46.67%) Relational Database
7 5 (33.33%) Pharmaceutical
8 3 (20.00%) Project Management
8 3 (20.00%) Web Services
9 2 (13.33%) OLAP
9 2 (13.33%) Business Intelligence
9 2 (13.33%) Kimball Methodology
9 2 (13.33%) Analytical Skills
9 2 (13.33%) OLAP Cube
9 2 (13.33%) SQL Server Analysis Services
9 2 (13.33%) SQL Server Integration Services
9 2 (13.33%) ResourceLink
10 1 (6.67%) Data Migration

Data Quality
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 1 (6.67%) MS Excel
Business Applications
1 2 (13.33%) ResourceLink
Database & Business Intelligence
1 12 (80.00%) Data Warehouse
2 9 (60.00%) Oracle Database
3 7 (46.67%) Data Mart
3 7 (46.67%) PowerCenter
3 7 (46.67%) RDBMS
3 7 (46.67%) Relational Database
4 2 (13.33%) OLAP
4 2 (13.33%) OLAP Cube
4 2 (13.33%) SQL Server Analysis Services
4 2 (13.33%) SQL Server Integration Services
5 1 (6.67%) Microsoft Analysis Services
5 1 (6.67%) SAP Data Services
Development Applications
1 7 (46.67%) ERwin
General
1 5 (33.33%) Pharmaceutical
Job Titles
1 11 (73.33%) Developer
2 8 (53.33%) Informatica Developer
3 6 (40.00%) Oracle Developer
4 2 (13.33%) Analyst
4 2 (13.33%) Business Intelligence Developer
4 2 (13.33%) Data Analyst
4 2 (13.33%) HR Analyst
4 2 (13.33%) HR Data Analyst
5 1 (6.67%) Data Governance Manager
5 1 (6.67%) Data Migration Manager
5 1 (6.67%) Data Migration Project Manager
5 1 (6.67%) Data Quality Analyst
5 1 (6.67%) Data Quality Manager
5 1 (6.67%) Data Quality Project Manager
5 1 (6.67%) Governance Manager
5 1 (6.67%) Master Data Manager
5 1 (6.67%) Migration Project Manager
5 1 (6.67%) Oracle ETL Developer
5 1 (6.67%) Project Governance Manager
5 1 (6.67%) Project Manager
Libraries, Frameworks & Software Standards
1 3 (20.00%) Web Services
Miscellaneous
1 8 (53.33%) Data Extraction
2 2 (13.33%) Analytical Skills
Processes & Methodologies
1 12 (80.00%) ETL
2 11 (73.33%) Unit Testing
3 10 (66.67%) Agile Software Development
4 9 (60.00%) Dimensional Modelling
4 9 (60.00%) Performance Tuning
5 8 (53.33%) Data Transformation
5 8 (53.33%) Validation
6 3 (20.00%) Project Management
7 2 (13.33%) Business Intelligence
7 2 (13.33%) Kimball Methodology
8 1 (6.67%) Business Analysis
8 1 (6.67%) Data Analysis
8 1 (6.67%) Data Management
8 1 (6.67%) Data Migration
8 1 (6.67%) ERP
8 1 (6.67%) ITIL
8 1 (6.67%) Migration
8 1 (6.67%) Quality Management
8 1 (6.67%) Waterfall
Programming Languages
1 7 (46.67%) SQL
Qualifications
1 1 (6.67%) ITIL Foundation Certificate
Vendors
1 10 (66.67%) Oracle
2 9 (60.00%) Informatica
3 1 (6.67%) Microsoft
3 1 (6.67%) SAP