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 6 December 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
6 Dec 2016
Same period 2015 Same period 2014
Data Quality
Rank 54 53 57
Rank change year-on-year
-1 +4
Contract jobs citing Data Quality 8 4 11
As % of all contract IT jobs located in Hertfordshire 1.24% 0.62% 1.51%
As % of the Quality Assurance & Compliance category 15.69% 5.71% 12.22%
Number of daily rates quoted 3 1 9
Median daily rate £288 £375 £340
Median daily rate % change year-on-year
-23.33% +10.29%
90% offered a daily rate of more than £254 £375 £273
10% offered a daily rate of more than £298 £375 £430
UK excluding London median daily rate £400 £400 £390
% change year-on-year
- +2.56%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.00 £19.50 £18.00
% change year-on-year
-33.33% +8.33%
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
51 70 90
As % of all contract IT jobs located in Hertfordshire 7.91% 10.87% 12.35%
Number of daily rates quoted 23 21 60
Median daily rate £413 £425 £363
Median daily rate % change year-on-year
-2.94% +17.24%
90% offered a daily rate of more than £150 £242 £193
10% offered a daily rate of more than £675 £482 £500
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 1 8 2
Median hourly rate £45.00 £21.00 £30.50
Median hourly rate % change year-on-year
+114.28% -31.14%
UK excluding London median hourly rate £22.50 £25.00 £22.00
% change year-on-year
-10.00% +13.63%

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
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 6 December 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 - 2 £266 -
Harpenden - 1 - - 1
Data Quality
East of England

Data Quality
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 6 December 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 9 (56.25%) Data Warehouse
2 8 (50.00%) ETL
2 8 (50.00%) Oracle
2 8 (50.00%) Agile Software Development
2 8 (50.00%) Unit Testing
3 7 (43.75%) Process Improvement
3 7 (43.75%) Oracle Database
3 7 (43.75%) Performance Tuning
3 7 (43.75%) Informatica
3 7 (43.75%) Validation
4 6 (37.50%) SQL
4 6 (37.50%) Dimensional Modelling
4 6 (37.50%) Data Extraction
4 6 (37.50%) Data Transformation
5 5 (31.25%) Data Mart
5 5 (31.25%) Relational Database
5 5 (31.25%) ERwin
5 5 (31.25%) RDBMS
5 5 (31.25%) Data Analysis
5 5 (31.25%) PowerCenter
6 4 (25.00%) Migration
6 4 (25.00%) Data Cleansing
6 4 (25.00%) Data Migration
7 3 (18.75%) Data Protection
7 3 (18.75%) Data Conversion
7 3 (18.75%) Continuous Improvement
7 3 (18.75%) Data Governance
7 3 (18.75%) Quality Management
7 3 (18.75%) Change Management
7 3 (18.75%) Data Security

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 (6.25%) Spreadsheet
Business Applications
1 2 (12.50%) ResourceLink
2 1 (6.25%) Salesforce.com CRM
Database & Business Intelligence
1 9 (56.25%) Data Warehouse
2 7 (43.75%) Oracle Database
3 5 (31.25%) Data Mart
3 5 (31.25%) PowerCenter
3 5 (31.25%) RDBMS
3 5 (31.25%) Relational Database
4 1 (6.25%) Microsoft Analysis Services
4 1 (6.25%) OLAP
4 1 (6.25%) OLAP Cube
4 1 (6.25%) SQL Server Analysis Services
4 1 (6.25%) SQL Server Integration Services
Development Applications
1 5 (31.25%) ERwin
General
1 3 (18.75%) Pharmaceutical
Job Titles
1 8 (50.00%) Developer
2 6 (37.50%) Informatica Developer
3 5 (31.25%) Oracle Developer
4 4 (25.00%) Analyst
5 3 (18.75%) Data Analyst
5 3 (18.75%) Data Manager
5 3 (18.75%) SAP Data Manager
5 3 (18.75%) SAP Manager
6 2 (12.50%) HR Analyst
6 2 (12.50%) HR Data Analyst
7 1 (6.25%) Business Intelligence Developer
7 1 (6.25%) Data Governance Manager
7 1 (6.25%) Data Migration Manager
7 1 (6.25%) Data Quality Analyst
7 1 (6.25%) Data Quality Manager
7 1 (6.25%) Data Quality Project Manager
7 1 (6.25%) Governance Manager
7 1 (6.25%) Migration Project Manager
7 1 (6.25%) Oracle ETL Developer
7 1 (6.25%) Project Governance Manager
Libraries, Frameworks & Software Standards
1 3 (18.75%) Web Services
Miscellaneous
1 6 (37.50%) Data Extraction
2 3 (18.75%) Data Conversion
3 2 (12.50%) Analytical Skills
Operating Systems
1 1 (6.25%) Windows
1 1 (6.25%) Windows 10
1 1 (6.25%) Windows 8
Processes & Methodologies
1 8 (50.00%) Agile Software Development
1 8 (50.00%) ETL
1 8 (50.00%) Unit Testing
2 7 (43.75%) Performance Tuning
2 7 (43.75%) Process Improvement
2 7 (43.75%) Validation
3 6 (37.50%) Data Transformation
3 6 (37.50%) Dimensional Modelling
4 5 (31.25%) Data Analysis
5 4 (25.00%) Data Cleansing
5 4 (25.00%) Data Migration
5 4 (25.00%) Migration
6 3 (18.75%) Change Management
6 3 (18.75%) Continuous Improvement
6 3 (18.75%) Data Governance
6 3 (18.75%) Data Protection
6 3 (18.75%) Data Security
6 3 (18.75%) Project Management
6 3 (18.75%) Quality Management
7 1 (6.25%) Kimball Methodology
Programming Languages
1 6 (37.50%) SQL
2 1 (6.25%) VBA
Qualifications
1 1 (6.25%) SC Cleared
1 1 (6.25%) Security Cleared
Vendors
1 8 (50.00%) Oracle
2 7 (43.75%) Informatica
3 3 (18.75%) SAP
4 1 (6.25%) Salesforce.com