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 19 February 2017 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
19 Feb 2017
Same period 2016 Same period 2015
Data Quality
East of England / Hertfordshire
Rank 57 49 60
Rank change year-on-year
-8 +11
Contract jobs citing Data Quality 1 4 2
As % of all contract IT jobs located in Hertfordshire 0.17% 0.68% 0.32%
As % of the Quality Assurance & Compliance category 2.22% 8.89% 2.90%
Number of daily rates quoted 0 3 1
Median daily rate - £425 £450
Median daily rate % change year-on-year
- -5.55%
UK excluding London median daily rate £425 £419 £400
% change year-on-year
+1.49% +4.68%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.43 £15.70 £25.00
% change year-on-year
+11.01% -37.20%

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
45 45 69
As % of all contract IT jobs located in Hertfordshire 7.53% 7.69% 10.92%
Number of daily rates quoted 28 21 38
Median daily rate £425 £425 £325
Median daily rate % change year-on-year
- +30.76%
90% offered a daily rate of more than £150 £334 £204
10% offered a daily rate of more than £613 £625 £450
UK excluding London median daily rate £413 £400 £388
% change year-on-year
+3.12% +3.22%
Number of hourly rates quoted 0 5 5
Median hourly rate - £37.50 £34.00
Median hourly rate % change year-on-year
- +10.29%
UK excluding London median hourly rate £20.00 £44.00 £23.75
% change year-on-year
-54.54% +85.26%

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
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 19 February 2017, 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 4 (50.00%) SQL
1 4 (50.00%) Validation
1 4 (50.00%) Agile Software Development
1 4 (50.00%) Data Analysis
1 4 (50.00%) Data Cleansing
2 3 (37.50%) Data Conversion
2 3 (37.50%) Data Extraction
2 3 (37.50%) Continuous Improvement
2 3 (37.50%) Data Governance
2 3 (37.50%) Process Improvement
2 3 (37.50%) Data Transformation
2 3 (37.50%) Oracle Database
2 3 (37.50%) Performance Tuning
2 3 (37.50%) Relational Database
2 3 (37.50%) Data Mart
2 3 (37.50%) Unit Testing
2 3 (37.50%) Dimensional Modelling
2 3 (37.50%) Data Migration
2 3 (37.50%) Data Protection
2 3 (37.50%) Migration
2 3 (37.50%) ERwin
2 3 (37.50%) Quality Management
2 3 (37.50%) Change Management
2 3 (37.50%) Data Security
2 3 (37.50%) Oracle
2 3 (37.50%) SAP
2 3 (37.50%) Data Warehouse
2 3 (37.50%) ETL
2 3 (37.50%) RDBMS
2 3 (37.50%) Informatica

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 (12.50%) Spreadsheet
Business Applications
1 1 (12.50%) Salesforce.com CRM
Database & Business Intelligence
1 3 (37.50%) Data Mart
1 3 (37.50%) Data Warehouse
1 3 (37.50%) Oracle Database
1 3 (37.50%) PowerCenter
1 3 (37.50%) RDBMS
1 3 (37.50%) Relational Database
Development Applications
1 3 (37.50%) ERwin
General
1 1 (12.50%) Pharmaceutical
Job Titles
1 3 (37.50%) Data Manager
1 3 (37.50%) Developer
1 3 (37.50%) SAP Data Manager
1 3 (37.50%) SAP Manager
2 2 (25.00%) Analyst
2 2 (25.00%) Informatica Developer
2 2 (25.00%) Oracle Developer
3 1 (12.50%) Data Analyst
3 1 (12.50%) ETL Developer
3 1 (12.50%) Oracle ETL Developer
3 1 (12.50%) Salesforce Analyst
3 1 (12.50%) Senior Analyst
3 1 (12.50%) Senior Salesforce Analyst
Miscellaneous
1 3 (37.50%) Data Conversion
1 3 (37.50%) Data Extraction
2 1 (12.50%) Analytical Skills
Operating Systems
1 1 (12.50%) Windows
1 1 (12.50%) Windows 10
1 1 (12.50%) Windows 8
Processes & Methodologies
1 4 (50.00%) Agile Software Development
1 4 (50.00%) Data Analysis
1 4 (50.00%) Data Cleansing
1 4 (50.00%) Validation
2 3 (37.50%) Change Management
2 3 (37.50%) Continuous Improvement
2 3 (37.50%) Data Governance
2 3 (37.50%) Data Migration
2 3 (37.50%) Data Protection
2 3 (37.50%) Data Security
2 3 (37.50%) Data Transformation
2 3 (37.50%) Dimensional Modelling
2 3 (37.50%) ETL
2 3 (37.50%) Migration
2 3 (37.50%) Performance Tuning
2 3 (37.50%) Process Improvement
2 3 (37.50%) Quality Management
2 3 (37.50%) Unit Testing
3 1 (12.50%) Project Management
3 1 (12.50%) Requirements Analysis
Programming Languages
1 4 (50.00%) SQL
2 1 (12.50%) VBA
Qualifications
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
Vendors
1 3 (37.50%) Informatica
1 3 (37.50%) Oracle
1 3 (37.50%) SAP
2 1 (12.50%) Salesforce.com