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 contractor rates offered in IT contracts that have cited Big Data over the 3 months to 26 February 2017 with a comparison to the same period over 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.

3 months to
26 Feb 2017
Same period 2016 Same period 2015
Big Data
East of England / Hertfordshire
Rank 41 55 67
Rank change year-on-year
+14 +12
Contract jobs citing Big Data 20 2 1
As % of all contract IT jobs located in Hertfordshire 3.01% 0.31% 0.14%
As % of the Database & Business Intelligence category 16.53% 2.08% 0.65%
Number of daily rates quoted 12 2 1
Median daily rate £513 £500 £400
Median daily rate % change year-on-year
+2.50% +25.00%
UK excluding London median daily rate £500 £475 £475
% change year-on-year
+5.26% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.00 £46.50 £36.50
% change year-on-year
+1.07% +27.39%

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
121 96 154
As % of all contract IT jobs located in Hertfordshire 18.22% 14.66% 22.00%
Number of daily rates quoted 70 48 91
Median daily rate £450 £390 £375
Median daily rate % change year-on-year
+15.38% +4.00%
90% offered a daily rate of more than £258 £325 £260
10% offered a daily rate of more than £540 £550 £500
UK excluding London median daily rate £400 £375 £370
% change year-on-year
+6.66% +1.35%
Number of hourly rates quoted 1 2 1
Median hourly rate £27.50 £26.25 £20.93
Median hourly rate % change year-on-year
+4.76% +25.41%
UK excluding London median hourly rate £35.00 £32.50 £32.50
% change year-on-year
+7.69% -

Big Data
Jobs Demand Trend in Hertfordshire

The demand trend of contract jobs across the Hertfordshire region citing Big Data as a proportion of all IT contracts with a match in 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
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing Big Data across the Hertfordshire region over the 3 months to 26 February 2017.

Big Data Daily Rate Histogram in Hertfordshire

Big Data
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 Big Data within the Hertfordshire region over the 3 months to 26 February 2017. 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 Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City - 9 £625 -
Watford +8 5 £475 -
Hatfield - 3 £525 - 1
Big Data
East of England

Big Data
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 26 February 2017, IT contractor jobs citing Big Data 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 Big Data.

1 13 (59.09%) DevOps
2 12 (54.55%) Agile Software Development
3 8 (36.36%) Risk Management
3 8 (36.36%) Information Security
3 8 (36.36%) Data Analytics
3 8 (36.36%) Analytics
4 7 (31.82%) Database Security
4 7 (31.82%) Big Data Analytics
4 7 (31.82%) Data Centre
4 7 (31.82%) Management Information System
4 7 (31.82%) Middleware
4 7 (31.82%) Security Architecture
4 7 (31.82%) Waterfall
4 7 (31.82%) Information Assurance
5 5 (22.73%) Hadoop
5 5 (22.73%) Python
6 4 (18.18%) Amazon AWS
6 4 (18.18%) Puppet
6 4 (18.18%) Retail
6 4 (18.18%) Opscode Chef
7 3 (13.64%) Service Design
7 3 (13.64%) Machine Learning
7 3 (13.64%) TDD
7 3 (13.64%) Apache Cassandra
7 3 (13.64%) NoSQL
7 3 (13.64%) Java
7 3 (13.64%) Unix
8 2 (9.09%) Linux
8 2 (9.09%) OO
8 2 (9.09%) SQL

Big Data
Top Related 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 1 (4.55%) Apache Spark
1 1 (4.55%) SAS
Applications
1 1 (4.55%) GNU Octave
Cloud Services
1 4 (18.18%) Amazon AWS
2 2 (9.09%) GitHub
2 2 (9.09%) Trello
Communications & Networking
1 1 (4.55%) Firewall
Database & Business Intelligence
1 5 (22.73%) Hadoop
2 3 (13.64%) Apache Cassandra
2 3 (13.64%) NoSQL
3 2 (9.09%) HBase
4 1 (4.55%) Apache Hive
4 1 (4.55%) RDBMS
4 1 (4.55%) Relational Database
Development Applications
1 2 (9.09%) Jenkins
1 2 (9.09%) JIRA
General
1 4 (18.18%) Retail
2 2 (9.09%) Front Office
Job Titles
1 7 (31.82%) Applications Consultant
1 7 (31.82%) Consultant
1 7 (31.82%) Developer
1 7 (31.82%) Security Consultant
2 6 (27.27%) AWS Developer
3 4 (18.18%) Analyst
3 4 (18.18%) Big Data Analyst
3 4 (18.18%) Business Analyst
3 4 (18.18%) Data Business Analyst
3 4 (18.18%) Python Developer
4 3 (13.64%) AWS DevOps
4 3 (13.64%) Java Developer
4 3 (13.64%) Senior DevOps
5 2 (9.09%) Data Analyst
5 2 (9.09%) DevOps Engineer
5 2 (9.09%) Senior DevOps Engineer
6 1 (4.55%) CRM Business Analyst
6 1 (4.55%) Enterprise Architect
6 1 (4.55%) Security Manager
6 1 (4.55%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 7 (31.82%) Middleware
2 2 (9.09%) Spring
3 1 (4.55%) NumPy
3 1 (4.55%) SciPy
Miscellaneous
1 7 (31.82%) Data Centre
1 7 (31.82%) Management Information System
2 2 (9.09%) Client/Server
3 1 (4.55%) Analytical Skills
3 1 (4.55%) Security Operations Centre
Operating Systems
1 3 (13.64%) Unix
2 2 (9.09%) Linux
3 1 (4.55%) Windows
Processes & Methodologies
1 13 (59.09%) DevOps
2 12 (54.55%) Agile Software Development
3 8 (36.36%) Analytics
3 8 (36.36%) Data Analytics
3 8 (36.36%) Information Security
3 8 (36.36%) Risk Management
4 7 (31.82%) Big Data Analytics
4 7 (31.82%) Database Security
4 7 (31.82%) Information Assurance
4 7 (31.82%) Security Architecture
4 7 (31.82%) Waterfall
5 3 (13.64%) Machine Learning
5 3 (13.64%) Service Design
5 3 (13.64%) TDD
6 2 (9.09%) Business Intelligence
6 2 (9.09%) Mentoring
6 2 (9.09%) OO
6 2 (9.09%) Open Source
6 2 (9.09%) Use Case
7 1 (4.55%) ITIL
Programming Languages
1 5 (22.73%) Python
2 3 (13.64%) Java
3 2 (9.09%) SQL
4 1 (4.55%) MATLAB
4 1 (4.55%) R
Qualifications
1 1 (4.55%) CISM
1 1 (4.55%) CISSP
1 1 (4.55%) IISP
System Software
1 2 (9.09%) Docker
Systems Management
1 4 (18.18%) Opscode Chef
1 4 (18.18%) Puppet
2 2 (9.09%) Ansible
2 2 (9.09%) Kubernetes
2 2 (9.09%) Terraform
3 1 (4.55%) Host Intrusion Detection System
Vendors
1 2 (9.09%) New Relic
1 2 (9.09%) Splunk
2 1 (4.55%) Oracle
2 1 (4.55%) SAP
2 1 (4.55%) Teradata