Period
to 19 January 2018

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 19 January 2018 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
19 Jan 2018
Same period 2017 Same period 2016
Rank 72 82 82
Rank change year-on-year +10 0 +2
Contract jobs citing Data Quality 28 11 9
As % of all contract IT jobs advertised in Hertfordshire 1.82% 0.79% 0.63%
As % of the Quality Assurance & Compliance category 12.96% 7.86% 5.84%
Number of daily rates quoted 16 6 9
Hertfordshire median daily rate £400 £269 £425
Median daily rate % change year-on-year +48.84% -36.76% +21.43%
East of England median daily rate £425 £375 £425
% change year-on-year +13.33% -11.76% +21.43%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £34.50 - £20.35

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 216 140 154
As % of all contract IT jobs advertised in Hertfordshire 14.03% 10.01% 10.86%
Number of daily rates quoted 87 80 64
Hertfordshire median daily rate £425 £425 £401
Median daily rate % change year-on-year - +5.92% +7.72%
10th Percentile £238 £150 £225
90th Percentile £600 £589 £514
East of England median daily rate £413 £375 £400
% change year-on-year +10.00% -6.25% +6.67%
Number of hourly rates quoted 16 3 16
Hertfordshire median hourly rate £16.50 £45.00 £21.00
Median hourly rate % change year-on-year -63.33% +114.26% -15.99%
10th Percentile £13.25 £43.00 £13.00
90th Percentile £76.25 £47.00 £51.25
East of England median hourly rate £26.22 £38.75 £35.00
% change year-on-year -32.34% +10.71% +20.17%

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 19 January 2018.

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 19 January 2018. 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 - 17 £575 -
Stevenage -3 4 £375 +57.89%
Hatfield - 2 £350 -
Data Quality
East of England

For the 6 months to 19 January 2018, 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 22 (78.57%) SQL
2 12 (42.86%) SQL Server
2 12 (42.86%) Analytical Skills
3 11 (39.29%) Data Migration
3 11 (39.29%) Finance
3 11 (39.29%) Migration
4 9 (32.14%) Microsoft
5 8 (28.57%) Business Intelligence
5 8 (28.57%) T-SQL
5 8 (28.57%) Data Cleansing
6 7 (25.00%) Reference Data
6 7 (25.00%) Data Mapping
6 7 (25.00%) SC Cleared
6 7 (25.00%) Security Cleared
6 7 (25.00%) Talend
6 7 (25.00%) Power BI
6 7 (25.00%) Data Analysis
7 6 (21.43%) Analytics
7 6 (21.43%) Talend Open Studio
7 6 (21.43%) Tableau
8 5 (17.86%) Data Extraction
8 5 (17.86%) SQL Server Reporting Services
9 4 (14.29%) Workflow Management
9 4 (14.29%) Publishing
9 4 (14.29%) Workflow
9 4 (14.29%) SAP
9 4 (14.29%) Python
9 4 (14.29%) ETL
9 4 (14.29%) Data Warehouse
9 4 (14.29%) Data Modelling

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:

Application Platforms
1 2 (7.14%) Confluence
Applications
1 1 (3.57%) Microsoft Excel
Business Applications
1 2 (7.14%) Dynamics NAV
2 1 (3.57%) Dynamics AX
Database & Business Intelligence
1 12 (42.86%) SQL Server
2 7 (25.00%) Power BI
3 6 (21.43%) Talend Open Studio
4 5 (17.86%) SQL Server Reporting Services
5 4 (14.29%) Data Warehouse
5 4 (14.29%) Qlik Sense
6 3 (10.71%) SQL Server 2012
6 3 (10.71%) SQL Server Integration Services
7 2 (7.14%) BusinessObjects
8 1 (3.57%) Data Mining
8 1 (3.57%) QlikView
8 1 (3.57%) SQL Server 2014
8 1 (3.57%) SQL Server 2016
Development Applications
1 2 (7.14%) JIRA
General
1 11 (39.29%) Finance
2 4 (14.29%) Publishing
3 2 (7.14%) Manufacturing
3 2 (7.14%) Marketing
3 2 (7.14%) Retail
4 1 (3.57%) Pharmaceutical
Job Titles
1 9 (32.14%) Analyst
2 8 (28.57%) Developer
3 7 (25.00%) Consultant
4 4 (14.29%) Data Analyst
4 4 (14.29%) SQL Server Consultant
5 3 (10.71%) Data Quality Analyst
5 3 (10.71%) Quality Analyst
5 3 (10.71%) Senior Analyst
6 2 (7.14%) Analyst Developer
6 2 (7.14%) Business Analyst
6 2 (7.14%) Business Developer
6 2 (7.14%) Business Intelligence Analyst
6 2 (7.14%) Business Intelligence Business Analyst
6 2 (7.14%) Business Intelligence Developer
6 2 (7.14%) Project Manager
6 2 (7.14%) Senior Systems Analyst
6 2 (7.14%) SQL Developer
6 2 (7.14%) Systems Analyst
7 1 (3.57%) Business Intelligence Lead
7 1 (3.57%) Trainer
Libraries, Frameworks & Software Standards
1 2 (7.14%) XML
Miscellaneous
1 12 (42.86%) Analytical Skills
2 7 (25.00%) Reference Data
3 3 (10.71%) Management Information System
4 1 (3.57%) Greenfield Project
4 1 (3.57%) Taxonomies
4 1 (3.57%) Virtual Team
Processes & Methodologies
1 11 (39.29%) Data Migration
1 11 (39.29%) Migration
2 8 (28.57%) Business Intelligence
2 8 (28.57%) Data Cleansing
3 7 (25.00%) Data Analysis
3 7 (25.00%) Data Mapping
4 6 (21.43%) Analytics
5 5 (17.86%) Data Extraction
6 4 (14.29%) Dashboard Development
6 4 (14.29%) Data Analytics
6 4 (14.29%) Data Modelling
6 4 (14.29%) ETL
6 4 (14.29%) Workflow
6 4 (14.29%) Workflow Management
7 3 (10.71%) Validation
8 2 (7.14%) Customer Requirements
8 2 (7.14%) Data Management
8 2 (7.14%) Data Strategy
8 2 (7.14%) Quality Management
8 2 (7.14%) Stakeholder Management
Programming Languages
1 22 (78.57%) SQL
2 8 (28.57%) T-SQL
3 4 (14.29%) Python
3 4 (14.29%) R
4 2 (7.14%) C#
4 2 (7.14%) PL/SQL
Qualifications
1 7 (25.00%) SC Cleared
1 7 (25.00%) Security Cleared
Quality Assurance & Compliance
1 2 (7.14%) GDPR
2 1 (3.57%) QA
Vendors
1 9 (32.14%) Microsoft
2 7 (25.00%) Talend
3 6 (21.43%) Tableau
4 4 (14.29%) Alteryx
4 4 (14.29%) SAP
5 2 (7.14%) Oracle
6 1 (3.57%) Ariba
6 1 (3.57%) HP