The table below looks at the prevalence of the term Clustering in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited Clustering over the 3 months to 24 January 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
24 Jan 2017
Same period 2016 Same period 2015
Clustering
East of England / Hertfordshire
Rank 45 - 61
Rank change year-on-year
- 0
Contract jobs citing Clustering 11 0 2
As % of all contract IT jobs located in Hertfordshire 1.86% - 0.30%
As % of the Miscellaneous category 6.01% - 0.98%
Number of daily rates quoted 3 0 2
Median daily rate £500 - £469
UK excluding London median daily rate £350 £375 £350
% change year-on-year
-6.66% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.25 £44.00 £26.00
% change year-on-year
-8.52% +69.23%

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

Miscellaneous Category
Hertfordshire
Contract IT job ads with a match in the
Miscellaneous category
183 150 204
As % of all contract IT jobs located in Hertfordshire 31.02% 26.22% 31.10%
Number of daily rates quoted 91 75 104
Median daily rate £400 £375 £380
Median daily rate % change year-on-year
+6.66% -1.31%
90% offered a daily rate of more than £144 £185 £275
10% offered a daily rate of more than £600 £550 £550
UK excluding London median daily rate £388 £375 £365
% change year-on-year
+3.33% +2.73%
Number of hourly rates quoted 9 18 12
Median hourly rate £30.00 £15.45 £29.00
Median hourly rate % change year-on-year
+94.17% -46.72%
90% offered a hourly rate of more than £11.32 £12.50 £10.75
10% offered a hourly rate of more than £45.00 £36.90 £40.00
UK excluding London median hourly rate £18.50 £21.50 £17.50
% change year-on-year
-13.95% +22.85%

Clustering
Jobs Demand Trend in Hertfordshire

The demand trend of contract jobs across the Hertfordshire region citing Clustering as a proportion of all IT contracts with a match in the Miscellaneous category.

Clustering Jobs Demand Trend in Hertfordshire

Clustering
Daily Rate Trend in Hertfordshire

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

Clustering Daily Rate Trend in Hertfordshire

Clustering
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing Clustering across the Hertfordshire region over the 3 months to 24 January 2017.

Clustering Daily Rate Histogram in Hertfordshire

Clustering
Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Clustering across the Hertfordshire region.

Clustering Hourly Rate Trend in Hertfordshire

Clustering
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 Clustering within the Hertfordshire region over the 3 months to 24 January 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 - 5 £340 -
Watford - 2 £500 -
Clustering
East of England

Clustering
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 24 January 2017, IT contractor jobs citing Clustering 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 Clustering.

1 9 (56.25%) SQL
1 9 (56.25%) Windows
2 8 (50.00%) MySQL
2 8 (50.00%) Oracle
2 8 (50.00%) SSL
2 8 (50.00%) Firewall
3 7 (43.75%) SQL Server
4 6 (37.50%) C
4 6 (37.50%) Java
4 6 (37.50%) Perl
4 6 (37.50%) Linux
4 6 (37.50%) Apache
4 6 (37.50%) Tomcat
4 6 (37.50%) Python
4 6 (37.50%) TCP/IP
4 6 (37.50%) PostgreSQL
4 6 (37.50%) LAMP
4 6 (37.50%) Ruby
4 6 (37.50%) Bash Shell
4 6 (37.50%) LAPP Stack
5 5 (31.25%) SQL Server 2008
5 5 (31.25%) Database Security
5 5 (31.25%) Performance Tuning
5 5 (31.25%) SQL Server Reporting Services
5 5 (31.25%) Software Engineering
5 5 (31.25%) SQL Server Integration Services
5 5 (31.25%) SQL Server Analysis Services
5 5 (31.25%) Middleware
6 4 (25.00%) SAN
6 4 (25.00%) T-SQL

Clustering
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 6 (37.50%) Apache
1 6 (37.50%) Tomcat
2 3 (18.75%) Oracle SOA Suite
2 3 (18.75%) WebLogic
Business Applications
1 3 (18.75%) Oracle Applications
2 2 (12.50%) Payment Gateway
Cloud Services
1 3 (18.75%) Amazon AWS
2 1 (6.25%) Microsoft Azure
Communications & Networking
1 8 (50.00%) Firewall
1 8 (50.00%) SSL
2 6 (37.50%) TCP/IP
3 4 (25.00%) SAN
4 3 (18.75%) Internet
Database & Business Intelligence
1 8 (50.00%) MySQL
2 7 (43.75%) SQL Server
3 6 (37.50%) PostgreSQL
4 5 (31.25%) SQL Server 2008
4 5 (31.25%) SQL Server Analysis Services
4 5 (31.25%) SQL Server Integration Services
4 5 (31.25%) SQL Server Reporting Services
5 4 (25.00%) Oracle Database
5 4 (25.00%) Oracle Database 11g
5 4 (25.00%) Oracle Database 12c
6 1 (6.25%) Data Warehouse
6 1 (6.25%) RDBMS
6 1 (6.25%) Relational Database
6 1 (6.25%) SQL Server 2000
6 1 (6.25%) SQL Server 2005
General
1 2 (12.50%) Finance
2 1 (6.25%) Banking
Job Titles
1 5 (31.25%) DBA
2 4 (25.00%) Software Engineer
2 4 (25.00%) SQL DBA
2 4 (25.00%) SQL Server DBA
3 3 (18.75%) Applications Architect
3 3 (18.75%) Architect
3 3 (18.75%) AWS Architect
3 3 (18.75%) Middleware Architect
3 3 (18.75%) Oracle Architect
3 3 (18.75%) Oracle Middleware Architect
4 2 (12.50%) Consultant
4 2 (12.50%) Data Centre Consultant
4 2 (12.50%) Data Consultant
4 2 (12.50%) Migration Consultant
4 2 (12.50%) Technical Consultant
5 1 (6.25%) DevOps Engineer
5 1 (6.25%) Software Support Engineer
5 1 (6.25%) Support Engineer
5 1 (6.25%) Systems Engineer
Libraries, Frameworks & Software Standards
1 6 (37.50%) LAMP
1 6 (37.50%) LAPP Stack
2 5 (31.25%) Middleware
3 3 (18.75%) J2EE
3 3 (18.75%) Oracle Fusion
3 3 (18.75%) Web Services
Miscellaneous
1 4 (25.00%) Replication
2 3 (18.75%) Enterprise Software
2 3 (18.75%) iPad
3 2 (12.50%) Computer Science
3 2 (12.50%) Data Centre
Operating Systems
1 9 (56.25%) Windows
2 6 (37.50%) Linux
3 2 (12.50%) Windows Server
4 1 (6.25%) Windows 2000
4 1 (6.25%) Windows Server 2003
4 1 (6.25%) Windows Server 2008
4 1 (6.25%) Windows Server 2012
Processes & Methodologies
1 5 (31.25%) Database Security
1 5 (31.25%) Performance Tuning
1 5 (31.25%) Software Engineering
2 4 (25.00%) Agile Software Development
2 4 (25.00%) Capacity Planning
2 4 (25.00%) Continuous Improvement
2 4 (25.00%) Database Tuning
2 4 (25.00%) High Availability
2 4 (25.00%) Incident Management
2 4 (25.00%) Line Management
2 4 (25.00%) Performance Monitoring
2 4 (25.00%) Stakeholder Management
2 4 (25.00%) Virtual Environments
3 3 (18.75%) E-Commerce
3 3 (18.75%) Information Security
3 3 (18.75%) SOA
3 3 (18.75%) Software Architecture
3 3 (18.75%) Technical Architecture
4 2 (12.50%) Configuration Management
4 2 (12.50%) Disaster Recovery
Programming Languages
1 9 (56.25%) SQL
2 6 (37.50%) Bash Shell
2 6 (37.50%) C
2 6 (37.50%) Java
2 6 (37.50%) Perl
2 6 (37.50%) Python
2 6 (37.50%) Ruby
3 4 (25.00%) T-SQL
4 1 (6.25%) PowerShell
Qualifications
1 2 (12.50%) RHCE
2 1 (6.25%) Degree
2 1 (6.25%) Oracle Certification
System Software
1 4 (25.00%) Hyper-V
2 3 (18.75%) Oracle RAC
3 2 (12.50%) VMware Infrastructure
Systems Management
1 3 (18.75%) Puppet
2 2 (12.50%) Salt
3 1 (6.25%) Data Guard
Vendors
1 8 (50.00%) Oracle
2 2 (12.50%) Dell
2 2 (12.50%) VMware