Period
to 18 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Data Quality skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Quality over the 6 months to 18 November 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 Quality
East of England > Hertfordshire
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 71 75 84
Rank change year-on-year +4 +9 +1
Contract jobs citing Data Quality 28 18 17
As % of all contract IT jobs advertised in Hertfordshire 1.79% 1.29% 1.05%
As % of the Quality Assurance & Compliance category 12.73% 13.85% 9.60%
Number of daily rates quoted 19 12 8
Hertfordshire median daily rate £500 £288 £310
Median daily rate % change year-on-year +73.91% -7.26% -8.82%
10th Percentile £257 £234 £288
90th Percentile £600 £474 £337
East of England median daily rate £475 £425 £375
% change year-on-year +11.76% +13.33% -
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £34.50 £27.50 £25.69
% change year-on-year +25.45% +7.05% +16.77%

Data Quality is in the Quality Assurance and Compliance 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 quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
Hertfordshire
Contract vacancies with a requirement for quality assurance or compliance skills 220 130 177
As % of all contract IT jobs advertised in Hertfordshire 14.06% 9.35% 10.89%
Number of daily rates quoted 95 67 75
Hertfordshire median daily rate £425 £400 £325
Median daily rate % change year-on-year +6.25% +23.08% -8.77%
10th Percentile £246 £212 £190
90th Percentile £600 £610 £513
East of England median daily rate £400 £375 £370
% change year-on-year +6.67% +1.35% -1.33%
Number of hourly rates quoted 21 4 20
Hertfordshire median hourly rate £15.00 £45.00 £21.53
Median hourly rate % change year-on-year -66.67% +109.06% +2.50%
10th Percentile £13.87 £43.25 £17.15
90th Percentile £45.00 £46.75 £38.75
East of England median hourly rate £23.50 £37.50 £29.00
% change year-on-year -37.33% +29.31% +5.45%

Data Quality
Job Vacancy Trend in Hertfordshire

Job postings citing Data Quality as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Data Quality in Hertfordshire

Data Quality
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Data Quality in Hertfordshire

Data Quality
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Data Quality in Hertfordshire over the 6 months to 18 November 2017.

Contractor daily rate histogram for Data Quality in Hertfordshire

Data Quality
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Data Quality 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 6 months to 18 November 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 - 18 £538 -
Stevenage -4 4 £275 +15.79%
Welwyn Garden City -3 1 £600 +108.70%
Data Quality
East of England

For the 6 months to 18 November 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 23 (82.14%) SQL
2 16 (57.14%) Migration
3 15 (53.57%) Data Migration
4 13 (46.43%) SQL Server
4 13 (46.43%) Analytical Skills
5 12 (42.86%) T-SQL
6 11 (39.29%) Reference Data
6 11 (39.29%) Data Mapping
6 11 (39.29%) SC Cleared
6 11 (39.29%) Security Cleared
6 11 (39.29%) Talend Open Studio
6 11 (39.29%) Talend
7 8 (28.57%) Data Cleansing
7 8 (28.57%) SQL Server Reporting Services
8 7 (25.00%) Finance
9 6 (21.43%) Oracle
9 6 (21.43%) C#
9 6 (21.43%) XML
9 6 (21.43%) Business Intelligence
9 6 (21.43%) Microsoft
9 6 (21.43%) Database Tuning
10 5 (17.86%) Power BI
10 5 (17.86%) Data Extraction
10 5 (17.86%) Data Warehouse
10 5 (17.86%) ETL
11 4 (14.29%) Data Modelling
11 4 (14.29%) Python
11 4 (14.29%) PL/SQL
11 4 (14.29%) Workflow Management
11 4 (14.29%) Publishing

Data Quality
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:

Applications
1 1 (3.57%) Microsoft Excel
Business Applications
1 1 (3.57%) Dynamics AX
Database & Business Intelligence
1 13 (46.43%) SQL Server
2 8 (28.57%) SQL Server Reporting Services
3 5 (17.86%) Data Warehouse
3 5 (17.86%) Power BI
4 4 (14.29%) Qlik Sense
5 3 (10.71%) SQL Server Integration Services
6 1 (3.57%) BusinessObjects
6 1 (3.57%) Data Mining
6 1 (3.57%) Enterprise Data Warehouse
6 1 (3.57%) QlikView
6 1 (3.57%) SQL Server 2012
6 1 (3.57%) SQL Server 2014
6 1 (3.57%) SQL Server 2016
Development Applications
1 11 (39.29%) Talend Open Studio
General
1 7 (25.00%) Finance
2 4 (14.29%) Publishing
3 2 (7.14%) Manufacturing
3 2 (7.14%) Pharmaceutical
4 1 (3.57%) Retail
Job Titles
1 11 (39.29%) Consultant
2 8 (28.57%) SQL Server Consultant
3 6 (21.43%) Developer
4 5 (17.86%) Analyst
5 3 (10.71%) Data Analyst
6 2 (7.14%) Data Consultant
6 2 (7.14%) Data Quality Analyst
6 2 (7.14%) Quality Analyst
6 2 (7.14%) Senior Analyst
6 2 (7.14%) SQL Developer
7 1 (3.57%) Data Manager
7 1 (3.57%) Migration Consultant
7 1 (3.57%) QA Analyst
7 1 (3.57%) SAP Consultant
7 1 (3.57%) Senior Data Analyst
7 1 (3.57%) Senior Manager
7 1 (3.57%) Senior Systems Analyst
7 1 (3.57%) SQL Server Developer
7 1 (3.57%) Systems Analyst
7 1 (3.57%) Technical Tester
Libraries, Frameworks & Software Standards
1 6 (21.43%) XML
2 1 (3.57%) Oracle Fusion
Miscellaneous
1 13 (46.43%) Analytical Skills
2 11 (39.29%) Reference Data
3 2 (7.14%) Management Information System
4 1 (3.57%) Greenfield Project
4 1 (3.57%) Taxonomies
4 1 (3.57%) Virtual Team
Processes & Methodologies
1 16 (57.14%) Migration
2 15 (53.57%) Data Migration
3 11 (39.29%) Data Mapping
4 8 (28.57%) Data Cleansing
5 6 (21.43%) Business Intelligence
5 6 (21.43%) Database Tuning
6 5 (17.86%) Data Extraction
6 5 (17.86%) ETL
7 4 (14.29%) Analytics
7 4 (14.29%) Dashboard Development
7 4 (14.29%) Data Analytics
7 4 (14.29%) Data Modelling
7 4 (14.29%) Workflow
7 4 (14.29%) Workflow Management
8 2 (7.14%) Data Analysis
8 2 (7.14%) Data Governance
8 2 (7.14%) Data Management
8 2 (7.14%) Data Strategy
8 2 (7.14%) Quality Management
8 2 (7.14%) Validation
Programming Languages
1 23 (82.14%) SQL
2 12 (42.86%) T-SQL
3 6 (21.43%) C#
4 4 (14.29%) PL/SQL
4 4 (14.29%) Python
4 4 (14.29%) R
Qualifications
1 11 (39.29%) SC Cleared
1 11 (39.29%) Security Cleared
Quality Assurance & Compliance
1 2 (7.14%) GDPR
2 1 (3.57%) QA
Vendors
1 11 (39.29%) Talend
2 6 (21.43%) Microsoft
2 6 (21.43%) Oracle
3 4 (14.29%) Alteryx
3 4 (14.29%) Tableau
4 3 (10.71%) SAP
5 2 (7.14%) HP
6 1 (3.57%) Ariba
6 1 (3.57%) Informatica