The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Dimensional Modelling skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Dimensional Modelling over the 3 months to 29 March 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.

Dimensional Modelling
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 154 156 188
Rank change year-on-year +2 +32  
Contract jobs citing Dimensional Modelling 8 3 3
As % of all contract IT jobs advertised in the City of London 0.26% 0.089% 0.059%
As % of the Processes & Methodologies category 0.30% 0.10% 0.071%
Number of daily rates quoted 6 3 3
Median daily rate £513 £450 £325
Median daily rate % change year-on-year +13.88% +38.46%  
90% offered a daily rate of more than £475 £450 £285
10% offered a daily rate of more than £600 £470 £505
UK excluding London median daily rate £414 £375 £425
% change year-on-year +10.40% -11.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Dimensional Modelling is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2628 2969 4223
As % of all contract IT job vacancies advertised in the City of London 85.55% 87.71% 82.58%
Number of daily rates quoted 2060 2378 3263
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £344 £325 £320
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 23 28 34
Median hourly rate £16.00 £20.00 £20.45
Median hourly rate % change year-on-year -20.00% -2.17%  
90% offered a hourly rate of more than £13.50 £13.00 £12.50
10% offered a hourly rate of more than £28.35 £47.50 £92.50
UK excluding London median hourly rate £35.75 £38.50 £30.00
% change year-on-year -7.14% +28.33%  

Dimensional Modelling
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Dimensional Modelling as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Dimensional Modelling in the City of London

Dimensional Modelling
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Dimensional Modelling in the City of London.

Contractor daily rate trend for Dimensional Modelling in the City of London

Dimensional Modelling
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Dimensional Modelling in the City of London over the 3 months to 29 March 2017.

Contractor daily rate histogram for Dimensional Modelling in the City of London

For the 6 months to 29 March 2017, IT contractor jobs citing Dimensional Modelling 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 City of London region with a requirement for Dimensional Modelling.

1 22 (95.65%) Data Warehouse
2 21 (91.30%) SQL
3 20 (86.96%) Business Intelligence
4 17 (73.91%) Data Modelling
5 14 (60.87%) Data Management
5 14 (60.87%) Data Quality
6 12 (52.17%) ETL
6 12 (52.17%) Oracle
6 12 (52.17%) Data Structures
7 11 (47.83%) SDLC
7 11 (47.83%) Degree
8 10 (43.48%) Teradata
8 10 (43.48%) SQL Server
8 10 (43.48%) C++
8 10 (43.48%) Netezza
8 10 (43.48%) SQL Server Integration Services
8 10 (43.48%) R
9 9 (39.13%) Predictive Modelling
9 9 (39.13%) NoSQL
9 9 (39.13%) Data Transformation
9 9 (39.13%) Relational Database
9 9 (39.13%) Python
9 9 (39.13%) Sybase
9 9 (39.13%) DB2
9 9 (39.13%) SQL Server Reporting Services
10 8 (34.78%) Finance
10 8 (34.78%) SQL Server Analysis Services
11 7 (30.43%) Data Analysis
11 7 (30.43%) SharePoint
11 7 (30.43%) Microsoft

Dimensional Modelling
Co-occurring IT Skills in the City of London 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 7 (30.43%) SharePoint
Applications
1 4 (17.39%) MS Visio
2 1 (4.35%) MS Excel
Business Applications
1 2 (8.70%) Dynamics AX
1 2 (8.70%) Dynamics CRM
Cloud Services
1 1 (4.35%) Amazon AWS
1 1 (4.35%) Google Cloud Platform
1 1 (4.35%) Microsoft Azure
Database & Business Intelligence
1 22 (95.65%) Data Warehouse
2 10 (43.48%) SQL Server
2 10 (43.48%) SQL Server Integration Services
3 9 (39.13%) DB2
3 9 (39.13%) NoSQL
3 9 (39.13%) Relational Database
3 9 (39.13%) SQL Server Reporting Services
4 8 (34.78%) SQL Server Analysis Services
5 3 (13.04%) Microsoft Analysis Services
6 2 (8.70%) Data Mart
6 2 (8.70%) Data Mining
6 2 (8.70%) OLAP
6 2 (8.70%) SQL Server 2014
7 1 (4.35%) DataStage
7 1 (4.35%) Hadoop
7 1 (4.35%) MOLAP
7 1 (4.35%) MySQL
7 1 (4.35%) PerformancePoint
7 1 (4.35%) SQL Server 2008
7 1 (4.35%) SQL Server 2016
Development Applications
1 1 (4.35%) Git (software)
1 1 (4.35%) JIRA
1 1 (4.35%) MSBuild
General
1 8 (34.78%) Finance
2 2 (8.70%) Banking
2 2 (8.70%) Retail
Job Titles
1 13 (56.52%) Analyst
2 11 (47.83%) Data Analyst
3 6 (26.09%) Architect
3 6 (26.09%) Data Architect
3 6 (26.09%) SQL Analyst
3 6 (26.09%) SQL Data Analyst
4 5 (21.74%) Lead Data Architect
4 5 (21.74%) Oracle Analyst
4 5 (21.74%) Teradata Analyst
5 4 (17.39%) Business Intelligence Analyst
6 3 (13.04%) Business Intelligence Lead
6 3 (13.04%) Developer
6 3 (13.04%) Systems Analyst
7 2 (8.70%) Administrator
7 2 (8.70%) Business Intelligence Developer
7 2 (8.70%) ETL Developer
7 2 (8.70%) Insurance Systems Analyst
7 2 (8.70%) Lead Architect
7 2 (8.70%) SSIS Developer
7 2 (8.70%) Team Leader
Libraries, Frameworks & Software Standards
1 2 (8.70%) MDX
2 1 (4.35%) .NET
Miscellaneous
1 12 (52.17%) Data Structures
2 4 (17.39%) Management Information System
3 1 (4.35%) Analytical Skills
3 1 (4.35%) Computer Science
3 1 (4.35%) Linux Command Line
3 1 (4.35%) Replication
Operating Systems
1 1 (4.35%) Unix
Processes & Methodologies
1 20 (86.96%) Business Intelligence
2 17 (73.91%) Data Modelling
3 14 (60.87%) Data Management
4 12 (52.17%) ETL
5 11 (47.83%) SDLC
6 9 (39.13%) Data Transformation
6 9 (39.13%) Predictive Modelling
7 7 (30.43%) Data Analysis
8 4 (17.39%) Information Management
8 4 (17.39%) Kimball Methodology
8 4 (17.39%) UML
9 3 (13.04%) Agile Software Development
9 3 (13.04%) Data Architecture
9 3 (13.04%) Data Migration
9 3 (13.04%) Migration
9 3 (13.04%) Stakeholder Management
10 2 (8.70%) CRM
10 2 (8.70%) ERP
10 2 (8.70%) Supplier Management
10 2 (8.70%) Unit Testing
Programming Languages
1 21 (91.30%) SQL
2 10 (43.48%) C++
2 10 (43.48%) R
3 9 (39.13%) Python
4 5 (21.74%) T-SQL
5 2 (8.70%) C#
6 1 (4.35%) Java
6 1 (4.35%) Shell Script
6 1 (4.35%) VB.NET
Qualifications
1 11 (47.83%) Degree
Quality Assurance & Compliance
1 14 (60.87%) Data Quality
2 3 (13.04%) Solvency II
Vendors
1 12 (52.17%) Oracle
2 10 (43.48%) Netezza
2 10 (43.48%) Teradata
3 9 (39.13%) Sybase
4 7 (30.43%) Microsoft
5 1 (4.35%) Google
5 1 (4.35%) IBM
5 1 (4.35%) JD Edwards
5 1 (4.35%) MicroStrategy
5 1 (4.35%) Tableau