The table below looks at the statistics for Big Data skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the average contractor rates offered in IT contracts that have cited Big Data over the 3 months to 22 May 2015 with a comparison to the same period in 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.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
Big Data
Rank 57 - 57
Rank change year-on-year
- 0
Contract jobs citing Big Data 7 0 7
As % of all contract IT jobs located in Hertfordshire 0.94% - 1.08%
As % of the Database & Business Intelligence category 4.35% - 5.43%
Number of daily rates quoted 4 0 7
Average daily rate
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£475 - £450
90% offered a daily rate of more than £415 - £425
10% offered a daily rate of more than £500 - £800
UK excluding London average daily rate £500 £450 £450
% change year-on-year
+11.11% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £16.00 £20.50 -
% change year-on-year
-21.95% -
Big Data
East of England

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the Hertfordshire region.

Database & Business Intelligence Category
Hertfordshire
Contract IT job ads with a match in the
Database & Business Intelligence category
161 157 129
As % of all contract IT jobs located in Hertfordshire 21.67% 22.59% 19.82%
Number of daily rates quoted 82 75 80
Average daily rate £438 £350 £375
Average daily rate % change year-on-year
+25.00% -6.66%
90% offered a daily rate of more than £300 £240 £275
10% offered a daily rate of more than £500 £475 £475
UK excluding London average daily rate £375 £350 £325
% change year-on-year
+7.14% +7.69%
Number of hourly rates quoted 4 7 2
Average hourly rate £32.43 £22.00 £22.75
Average hourly rate % change year-on-year
+47.38% -3.29%
90% offered a hourly rate of more than £14.85 £16.60 £20.55
10% offered a hourly rate of more than £50.00 £43.50 £24.95
UK excluding London average hourly rate £25.33 £34.75 £28.25
% change year-on-year
-27.10% +23.00%

Big Data
Jobs Demand Trend in Hertfordshire

This chart provides a 3-month moving total of IT contractor jobs citing Big Data across the Hertfordshire region as a proportion of the total demand within the Database & Business Intelligence category.

Big Data Jobs Demand Trend in Hertfordshire

Big Data
Daily Rate Trend in Hertfordshire

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

Big Data Daily Rate Trend in Hertfordshire

Big Data
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Big Data within the Hertfordshire region over the 3 months to 22 May 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford - 3 - -
Big Data
East of England

Big Data
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 22 May 2015, IT contractor jobs across the Hertfordshire region citing Big Data also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Big Data.

1 8 (100.00%) SQL Server
1 8 (100.00%) Service Delivery
2 6 (75.00%) Windows
3 5 (62.50%) SQL
3 5 (62.50%) Oracle
3 5 (62.50%) ETL
3 5 (62.50%) Migration
3 5 (62.50%) Data Management
3 5 (62.50%) Data Protection Act
3 5 (62.50%) Data Architecture
3 5 (62.50%) Data Migration
3 5 (62.50%) Data Protection
3 5 (62.50%) Data Integration
3 5 (62.50%) Infrastructure Management
3 5 (62.50%) Performance Tuning
4 3 (37.50%) Amazon Redshift
4 3 (37.50%) Degree
4 3 (37.50%) VMware Infrastructure
4 3 (37.50%) Hyper-V
4 3 (37.50%) XenServer
4 3 (37.50%) Apache Solr
4 3 (37.50%) Hadoop
4 3 (37.50%) Microsoft Azure
4 3 (37.50%) Amazon AWS
4 3 (37.50%) vSphere
4 3 (37.50%) MongoDB
4 3 (37.50%) Change Control
4 3 (37.50%) Vertica
4 3 (37.50%) Infobright
4 3 (37.50%) Data Analytics

Big Data
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 22 May 2015, IT contractor jobs across the Hertfordshire region citing Big Data also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Big Data. Up to 20 skills are shown per category.

Application Platforms
1 3 (37.50%) Apache Solr
1 3 (37.50%) WorkSite
1 3 (37.50%) SharePoint
Cloud Services
1 3 (37.50%) Microsoft Azure
1 3 (37.50%) Amazon AWS
Communications & Networking
1 3 (37.50%) Firewall
1 3 (37.50%) LAN
1 3 (37.50%) WAN
1 3 (37.50%) VPN
1 3 (37.50%) MPLS
Database & Business Intelligence
1 8 (100.00%) SQL Server
2 3 (37.50%) Amazon Redshift
2 3 (37.50%) Hadoop
2 3 (37.50%) MongoDB
2 3 (37.50%) Amazon RDS
Job Titles
1 5 (62.50%) Architect
1 5 (62.50%) Data Architect
2 3 (37.50%) Project Manager
3 2 (25.00%) Technical Project Manager
3 2 (25.00%) Technical Manager
3 2 (25.00%) Portfolio Manager
Miscellaneous
1 5 (62.50%) Data Protection Act
1 5 (62.50%) Data Integration
2 1 (12.50%) Enterprise Software
Operating Systems
1 6 (75.00%) Windows
2 3 (37.50%) Linux
2 3 (37.50%) UNIX
Processes & Methodologies
1 8 (100.00%) Service Delivery
2 5 (62.50%) ETL
2 5 (62.50%) Migration
2 5 (62.50%) Data Management
2 5 (62.50%) Data Architecture
2 5 (62.50%) Data Migration
2 5 (62.50%) Data Protection
2 5 (62.50%) Infrastructure Management
2 5 (62.50%) Performance Tuning
3 3 (37.50%) Change Control
3 3 (37.50%) Data Analytics
3 3 (37.50%) Analytics
3 3 (37.50%) Quality Management
3 3 (37.50%) Process Management
3 3 (37.50%) Configuration Management
3 3 (37.50%) Project Management
3 3 (37.50%) ITIL
3 3 (37.50%) PRINCE2
4 2 (25.00%) Stakeholder Management
Programming Languages
1 5 (62.50%) SQL
Qualifications
1 3 (37.50%) Degree
1 3 (37.50%) PRINCE2 Practitioner
System Software
1 3 (37.50%) VMware Infrastructure
1 3 (37.50%) Hyper-V
1 3 (37.50%) XenServer
1 3 (37.50%) vSphere
1 3 (37.50%) Active Directory
Vendors
1 5 (62.50%) Oracle
2 3 (37.50%) Vertica
2 3 (37.50%) Infobright
2 3 (37.50%) VMware
2 3 (37.50%) Microsoft
2 3 (37.50%) HP