Period
to 20 March 2019

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Data Quality skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Data Quality over the 6 months to 20 March 2019 with a comparison to the same period in the previous 2 years.

Data Quality
East of England > Hertfordshire
6 months to
20 Mar 2019
Same period 2018 Same period 2017
Rank 113 195 193
Rank change year-on-year +82 -2 +13
Permanent jobs citing Data Quality 70 28 24
As % of all permanent IT jobs advertised in Hertfordshire 2.16% 0.56% 0.53%
As % of the Quality Assurance & Compliance category 17.81% 4.38% 4.17%
Number of salaries quoted 61 22 21
Hertfordshire median annual salary £65,000 £35,000 £47,500
Median salary % change year-on-year +85.71% -26.32% -13.64%
10th Percentile £25,250 £21,250 £31,250
90th Percentile £92,500 £62,500 £102,500
East of England median annual salary £65,000 £37,000 £47,500
% change year-on-year +75.68% -22.11% +26.67%

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 permanent job vacancies advertised in Hertfordshire with a requirement for quality assurance or compliance skills.

All Quality Assurance and Compliance Skills
Hertfordshire
Permanent vacancies with a requirement for quality assurance or compliance skills 393 639 576
As % of all permanent IT jobs advertised in Hertfordshire 12.13% 12.89% 12.81%
Number of salaries quoted 304 508 490
Hertfordshire median annual salary £45,000 £46,000 £45,000
Median salary % change year-on-year -2.17% +2.22% -
10th Percentile £24,375 £23,500 £25,000
90th Percentile £77,500 £67,500 £67,500
East of England median annual salary £45,000 £45,000 £45,000

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
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Data Quality in Hertfordshire.

Salary trend for Data Quality in Hertfordshire

Data Quality
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Data Quality in Hertfordshire over the 6 months to 20 March 2019.

Salary histogram for Data Quality in Hertfordshire

Data Quality
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Data Quality within the Hertfordshire region over the 6 months to 20 March 2019. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +58 64 £65,000 +8.33%
Welwyn Garden City +17 2 £65,000 -
Hatfield - 1 £52,500 -
Borehamwood - 1 £50,000 -
Stevenage - 1 £47,500 -
Data Quality
East of England

For the 6 months to 20 March 2019, IT jobs citing Data Quality also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for Data Quality.

1 58 (82.86%) Analytical Skills
2 56 (80.00%) Problem-Solving
3 55 (78.57%) SC Cleared
3 55 (78.57%) Security Cleared
4 49 (70.00%) SQL
5 48 (68.57%) Migration
6 45 (64.29%) SQL Server
6 45 (64.29%) ETL
6 45 (64.29%) Data Migration
7 38 (54.29%) Data Analysis
8 31 (44.29%) Agile Software Development
8 31 (44.29%) Oracle
9 30 (42.86%) T-SQL
10 28 (40.00%) C#
10 28 (40.00%) XML
10 28 (40.00%) JSON
10 28 (40.00%) PostgreSQL
10 28 (40.00%) Reference Data
11 26 (37.14%) SQL Server Reporting Services
11 26 (37.14%) SQL Server Integration Services
12 25 (35.71%) Master Data Management
13 21 (30.00%) Data Mapping
14 20 (28.57%) PL/SQL
14 20 (28.57%) Subversion
14 20 (28.57%) TDD
14 20 (28.57%) JIRA
14 20 (28.57%) Test Automation
14 20 (28.57%) BDD
14 20 (28.57%) Talend
14 20 (28.57%) Scaled Agile Framework

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 16 (22.86%) Microsoft Excel
2 6 (8.57%) Microsoft Office
Database & Business Intelligence
1 45 (64.29%) SQL Server
2 28 (40.00%) PostgreSQL
3 26 (37.14%) SQL Server Integration Services
3 26 (37.14%) SQL Server Reporting Services
4 20 (28.57%) SQL Server 2016
5 11 (15.71%) Data Warehouse
6 7 (10.00%) Power BI
7 6 (8.57%) MS Access
7 6 (8.57%) SQL Server Analysis Services
8 1 (1.43%) Apache Cassandra
Development Applications
1 20 (28.57%) JIRA
1 20 (28.57%) Subversion
2 6 (8.57%) SQL Server Management Studio (SSMS)
2 6 (8.57%) Visual Studio
3 2 (2.86%) ER Studio
General
1 2 (2.86%) Finance
2 1 (1.43%) Telecoms
Job Titles
1 21 (30.00%) Analyst
1 21 (30.00%) Data Analyst
2 20 (28.57%) Data Migration Developer
2 20 (28.57%) Developer
2 20 (28.57%) ETL Developer
2 20 (28.57%) Oracle Developer
2 20 (28.57%) Oracle ETL Developer
2 20 (28.57%) PostgreSQL Developer
2 20 (28.57%) SQL Developer
2 20 (28.57%) SQL Server Developer
3 17 (24.29%) Consultant
3 17 (24.29%) Data Consultant
3 17 (24.29%) Data Migration Consultant
3 17 (24.29%) Data Migration Lead
3 17 (24.29%) Migration Consultant
4 10 (14.29%) Architect
4 10 (14.29%) Data Architect
5 8 (11.43%) Data Migration Architect
5 8 (11.43%) Migration Architect
6 6 (8.57%) Quality Analyst
Libraries, Frameworks & Software Standards
1 28 (40.00%) JSON
1 28 (40.00%) XML
2 10 (14.29%) ODBC
3 8 (11.43%) RESTful
3 8 (11.43%) XSD
Miscellaneous
1 58 (82.86%) Analytical Skills
2 28 (40.00%) Reference Data
3 10 (14.29%) Driving Licence
3 10 (14.29%) Self-Motivation
4 1 (1.43%) CMDB
4 1 (1.43%) Data Structures
4 1 (1.43%) Management Information System
Processes & Methodologies
1 56 (80.00%) Problem-Solving
2 48 (68.57%) Migration
3 45 (64.29%) Data Migration
3 45 (64.29%) ETL
4 38 (54.29%) Data Analysis
5 31 (44.29%) Agile Software Development
6 25 (35.71%) Master Data Management
7 21 (30.00%) Data Mapping
8 20 (28.57%) BDD
8 20 (28.57%) Scaled Agile Framework
8 20 (28.57%) TDD
8 20 (28.57%) Test Automation
9 14 (20.00%) Data Management
10 11 (15.71%) Computer Science
10 11 (15.71%) Mathematics
11 10 (14.29%) PRINCE2
11 10 (14.29%) Waterfall
12 8 (11.43%) Reference Data Management
13 7 (10.00%) Business Intelligence
13 7 (10.00%) Data Integration
Programming Languages
1 49 (70.00%) SQL
2 30 (42.86%) T-SQL
3 28 (40.00%) C#
4 20 (28.57%) PL/SQL
5 18 (25.71%) VBA
6 8 (11.43%) C++
7 6 (8.57%) VB
8 1 (1.43%) Python
Qualifications
1 55 (78.57%) SC Cleared
1 55 (78.57%) Security Cleared
2 12 (17.14%) Degree
3 1 (1.43%) Computer Science Degree
3 1 (1.43%) Postgraduate
Quality Assurance & Compliance
1 1 (1.43%) GDPR
Vendors
1 31 (44.29%) Oracle
2 20 (28.57%) Talend
3 17 (24.29%) Microsoft