The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in Hertfordshire. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 3 months to 25 April 2017 with a comparison to the same period over 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.

Clustering
East of England / Hertfordshire
3 months to
25 Apr 2017
Same period 2016 Same period 2015
Rank 49 51 59
Rank change year-on-year +2 +8  
Contract jobs citing Clustering 9 8 11
As % of all contract IT jobs advertised in Hertfordshire 1.56% 1.07% 1.54%
As % of the Miscellaneous category 4.07% 3.36% 4.68%
Number of daily rates quoted 6 8 7
Median daily rate £405 £389 £375
Median daily rate % change year-on-year +4.18% +3.66%  
90% offered a daily rate of more than £340 £353 £346
10% offered a daily rate of more than £413 £408 £393
UK excluding London median daily rate £365 £375 £350
% change year-on-year -2.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £25.00 £30.00 £44.00
% change year-on-year -16.66% -31.81%  

Clustering is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for generic IT skills.

Generic IT Skills
Hertfordshire
Contract job vacancies with a requirement for generic IT skills 221 238 235
As % of all contract IT job vacancies advertised in Hertfordshire 38.24% 31.78% 32.91%
Number of daily rates quoted 115 118 123
Median daily rate £388 £400 £388
Median daily rate % change year-on-year -3.12% +3.22%  
90% offered a daily rate of more than £175 £275 £261
10% offered a daily rate of more than £550 £500 £500
UK excluding London median daily rate £400 £385 £375
% change year-on-year +3.89% +2.66%  
Number of hourly rates quoted 18 8 13
Median hourly rate £16.00 £16.00 £14.85
Median hourly rate % change year-on-year - +7.74%  
90% offered a hourly rate of more than £11.00 £10.00 £12.50
10% offered a hourly rate of more than £48.71 £37.50 £36.10
UK excluding London median hourly rate £25.00 £23.00 £18.50
% change year-on-year +8.69% +24.32%  

Clustering
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing Clustering as a proportion of all contract or permanent IT jobs with a match in the Miscellaneous category.

Job vacancy trend for Clustering in Hertfordshire

Clustering
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Clustering in Hertfordshire

Clustering
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Clustering 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 25 April 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 4 £330 -22.35%
Hatfield -4 4 £409 +36.25%
Clustering
East of England

For the 6 months to 25 April 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 22 (84.62%) Firewall
2 21 (80.77%) SSL
3 20 (76.92%) TCP/IP
4 19 (73.08%) Java
4 19 (73.08%) Perl
4 19 (73.08%) Linux
4 19 (73.08%) Apache
4 19 (73.08%) Tomcat
4 19 (73.08%) Python
4 19 (73.08%) PostgreSQL
4 19 (73.08%) Ruby
4 19 (73.08%) Bash Shell
4 19 (73.08%) LAPP Stack
5 16 (61.54%) Puppet
6 15 (57.69%) Software Engineering
7 14 (53.85%) SQL
7 14 (53.85%) High Availability
8 13 (50.00%) MySQL
9 12 (46.15%) RHCE
9 12 (46.15%) Configuration Management
9 12 (46.15%) Computer Science
9 12 (46.15%) Finance
9 12 (46.15%) Salt
10 11 (42.31%) LAMP
11 10 (38.46%) DevOps
12 9 (34.62%) Windows
13 7 (26.92%) Payment Gateway
14 6 (23.08%) C
14 6 (23.08%) User Acceptance Testing
15 5 (19.23%) C#

Clustering
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:

Application Platforms
1 19 (73.08%) Apache
1 19 (73.08%) Tomcat
2 3 (11.54%) Oracle SOA Suite
2 3 (11.54%) WebLogic
Business Applications
1 7 (26.92%) Payment Gateway
2 3 (11.54%) Oracle Applications
Cloud Services
1 3 (11.54%) Amazon AWS
Communications & Networking
1 22 (84.62%) Firewall
2 21 (80.77%) SSL
3 20 (76.92%) TCP/IP
4 3 (11.54%) Internet
5 1 (3.85%) LAN
5 1 (3.85%) NetScaler
5 1 (3.85%) SAN
5 1 (3.85%) SNMP
5 1 (3.85%) WAN
Database & Business Intelligence
1 19 (73.08%) PostgreSQL
2 13 (50.00%) MySQL
3 3 (11.54%) Oracle Database
3 3 (11.54%) Oracle Database 11g
3 3 (11.54%) Oracle Database 12c
3 3 (11.54%) SQL Server
4 1 (3.85%) Data Warehouse
4 1 (3.85%) SQL Server 2012
4 1 (3.85%) SQL Server 2014
4 1 (3.85%) SQL Server 2016
General
1 12 (46.15%) Finance
2 2 (7.69%) Banking
3 1 (3.85%) Retail
3 1 (3.85%) Retail Banking
Job Titles
1 10 (38.46%) Software Engineer
2 8 (30.77%) DevOps Engineer
3 3 (11.54%) Applications Architect
3 3 (11.54%) Architect
3 3 (11.54%) AWS Architect
3 3 (11.54%) Middleware Architect
3 3 (11.54%) Oracle Architect
3 3 (11.54%) Oracle Middleware Architect
3 3 (11.54%) Systems Engineer
4 2 (7.69%) Consultant
4 2 (7.69%) Data Centre Consultant
4 2 (7.69%) Data Consultant
4 2 (7.69%) Migration Consultant
4 2 (7.69%) Technical Consultant
5 1 (3.85%) DBA
5 1 (3.85%) DevOps Systems Engineer
5 1 (3.85%) Infrastructure Engineer
5 1 (3.85%) Production DBA
5 1 (3.85%) Software Support Engineer
5 1 (3.85%) SQL DBA
Libraries, Frameworks & Software Standards
1 19 (73.08%) LAPP Stack
2 11 (42.31%) LAMP
3 5 (19.23%) Middleware
4 3 (11.54%) J2EE
4 3 (11.54%) Oracle Fusion
4 3 (11.54%) Web Services
Miscellaneous
1 12 (46.15%) Computer Science
2 3 (11.54%) Enterprise Software
2 3 (11.54%) iPad
3 2 (7.69%) Data Centre
Operating Systems
1 19 (73.08%) Linux
2 9 (34.62%) Windows
3 3 (11.54%) Windows Server
4 1 (3.85%) Windows Server 2003
4 1 (3.85%) Windows Server 2008
4 1 (3.85%) Windows Server 2012
Processes & Methodologies
1 15 (57.69%) Software Engineering
2 14 (53.85%) High Availability
3 12 (46.15%) Configuration Management
4 10 (38.46%) DevOps
5 6 (23.08%) User Acceptance Testing
6 4 (15.38%) Data Protection
7 3 (11.54%) Agile Software Development
7 3 (11.54%) E-Commerce
7 3 (11.54%) Information Security
7 3 (11.54%) SOA
7 3 (11.54%) Software Architecture
7 3 (11.54%) Technical Architecture
8 2 (7.69%) Business Continuity
8 2 (7.69%) Disaster Recovery
8 2 (7.69%) Migration
9 1 (3.85%) Human Resource Management
9 1 (3.85%) ITIL
9 1 (3.85%) Load Balancing
Programming Languages
1 19 (73.08%) Bash Shell
1 19 (73.08%) Java
1 19 (73.08%) Perl
1 19 (73.08%) Python
1 19 (73.08%) Ruby
2 14 (53.85%) SQL
3 6 (23.08%) C
4 5 (19.23%) C#
4 5 (19.23%) VB
5 2 (7.69%) PowerShell
Qualifications
1 12 (46.15%) RHCE
2 1 (3.85%) SC Cleared
2 1 (3.85%) Security Cleared
System Software
1 3 (11.54%) Oracle RAC
1 3 (11.54%) VMware Infrastructure
2 1 (3.85%) Active Directory
2 1 (3.85%) DFS Replication
2 1 (3.85%) vSphere
Systems Management
1 16 (61.54%) Puppet
2 12 (46.15%) Salt
3 1 (3.85%) SCCM
3 1 (3.85%) WMI
Vendors
1 3 (11.54%) Oracle
1 3 (11.54%) VMware
2 2 (7.69%) Dell
3 1 (3.85%) HP
3 1 (3.85%) IBM
3 1 (3.85%) Remedy