The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in Bristol. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 3 months to 28 March 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
South West / Bristol
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 66 57 62
Rank change year-on-year -9 +5  
Contract jobs citing Clustering 1 15 9
As % of all contract IT jobs advertised in Bristol 0.12% 1.64% 1.07%
As % of the Miscellaneous category 0.50% 5.47% 5.56%
Number of daily rates quoted 1 12 6
Median daily rate £450 £368 £380
Median daily rate % change year-on-year +22.44% -3.28%  
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £25.00 £37.00 £39.50
% change year-on-year -32.43% -6.32%  

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 Bristol with a requirement for generic IT skills.

Generic IT Skills
Bristol
Contract job vacancies with a requirement for generic IT skills 199 274 162
As % of all contract IT job vacancies advertised in Bristol 24.51% 30.01% 19.24%
Number of daily rates quoted 143 199 113
Median daily rate £375 £365 £395
Median daily rate % change year-on-year +2.73% -7.59%  
90% offered a daily rate of more than £250 £266 £294
10% offered a daily rate of more than £545 £442 £513
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.66% -  
Number of hourly rates quoted 5 8 4
Median hourly rate £11.16 £37.50 £45.00
Median hourly rate % change year-on-year -70.24% -16.66%  
90% offered a hourly rate of more than £11.00 £22.70 £24.45
10% offered a hourly rate of more than £26.96 £41.80 £70.00
UK excluding London median hourly rate £18.68 £27.22 £18.83
% change year-on-year -31.36% +44.56%  

Clustering
Job Vacancy Trend in Bristol

The job posting trend of jobs advertised in Bristol 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 Bristol

Clustering
Contractor Daily Rate Trend in Bristol

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

Contractor daily rate trend for Clustering in Bristol

Clustering
Contractor Hourly Rate Trend in Bristol

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

Contractor hourly rate trend for Clustering in Bristol

Clustering
Top 30 Co-occurring IT Skills in Bristol

For the 6 months to 28 March 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 Bristol region with a requirement for Clustering.

1 7 (87.50%) Linux
2 6 (75.00%) SQL Server
2 6 (75.00%) Windows
2 6 (75.00%) Failover Clustering
3 5 (62.50%) Unix
3 5 (62.50%) SQL
3 5 (62.50%) SAN
3 5 (62.50%) Shell Script
4 4 (50.00%) Ingres
4 4 (50.00%) SQL Server Reporting Services
4 4 (50.00%) SQL Server Integration Services
4 4 (50.00%) SC Cleared
4 4 (50.00%) Data Encryption
4 4 (50.00%) Virtual Machines
4 4 (50.00%) Security Cleared
4 4 (50.00%) PowerShell
4 4 (50.00%) SQL Optimisation
5 3 (37.50%) Red Hat Enterprise Linux
5 3 (37.50%) ETL
5 3 (37.50%) Business Intelligence
5 3 (37.50%) Microsoft
5 3 (37.50%) Red Hat
5 3 (37.50%) Active Directory
5 3 (37.50%) BusinessObjects
5 3 (37.50%) .NET
5 3 (37.50%) SAP
5 3 (37.50%) Data Warehouse
6 2 (25.00%) Client/Server
6 2 (25.00%) Oracle
6 2 (25.00%) Sun

Clustering
Co-occurring IT Skills in Bristol 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:

Applications
1 1 (12.50%) MS Excel
Cloud Services
1 1 (12.50%) PaaS
Communications & Networking
1 5 (62.50%) SAN
2 2 (25.00%) DNS
2 2 (25.00%) TCP/IP
3 1 (12.50%) IPsec
3 1 (12.50%) LDAP
3 1 (12.50%) Network Security
3 1 (12.50%) SSL
Database & Business Intelligence
1 6 (75.00%) SQL Server
2 4 (50.00%) Ingres
2 4 (50.00%) SQL Server Integration Services
2 4 (50.00%) SQL Server Reporting Services
3 3 (37.50%) BusinessObjects
3 3 (37.50%) Data Warehouse
4 2 (25.00%) SQL Server 2012
5 1 (12.50%) SQL Server Analysis Services
Development Applications
1 1 (12.50%) JMeter
1 1 (12.50%) JUnit
General
1 1 (12.50%) Aerospace
1 1 (12.50%) Military
1 1 (12.50%) Telecoms
Job Titles
1 4 (50.00%) DBA
2 3 (37.50%) SQL DBA
3 2 (25.00%) Administrator
3 2 (25.00%) Systems Engineer
4 1 (12.50%) Architect
4 1 (12.50%) Developer
4 1 (12.50%) Integration Engineer
4 1 (12.50%) Linux Engineer
4 1 (12.50%) Linux Systems Engineer
4 1 (12.50%) Oracle Developer
4 1 (12.50%) Platform Engineer
4 1 (12.50%) SQL Server DBA
4 1 (12.50%) Systems Integration Engineer
4 1 (12.50%) Technical Architect
4 1 (12.50%) Windows Engineer
4 1 (12.50%) Windows Systems Engineer
Libraries, Frameworks & Software Standards
1 3 (37.50%) .NET
2 1 (12.50%) Ajax
2 1 (12.50%) HTML
2 1 (12.50%) JSF
2 1 (12.50%) JSP
2 1 (12.50%) JSR 168
2 1 (12.50%) Middleware
2 1 (12.50%) Oracle ADF
2 1 (12.50%) Oracle Fusion
2 1 (12.50%) Struts
2 1 (12.50%) Web Services
2 1 (12.50%) WebCenter
Miscellaneous
1 2 (25.00%) Client/Server
1 2 (25.00%) Data Centre
2 1 (12.50%) Fat Client
2 1 (12.50%) Thin Client
Operating Systems
1 7 (87.50%) Linux
2 6 (75.00%) Windows
3 5 (62.50%) Unix
4 3 (37.50%) Red Hat Enterprise Linux
5 2 (25.00%) Windows Server
5 2 (25.00%) Windows Server 2012
Processes & Methodologies
1 4 (50.00%) Data Encryption
1 4 (50.00%) SQL Optimisation
2 3 (37.50%) Business Intelligence
2 3 (37.50%) ETL
3 2 (25.00%) Security Hardening
4 1 (12.50%) Build Automation
4 1 (12.50%) Configuration Management
4 1 (12.50%) Data Management
4 1 (12.50%) DevOps
4 1 (12.50%) High Availability
4 1 (12.50%) Identity Management
4 1 (12.50%) Load Balancing
4 1 (12.50%) Personalization
4 1 (12.50%) Requirements Management
4 1 (12.50%) Server Patching
4 1 (12.50%) Validation
4 1 (12.50%) Virtual Environments
Programming Languages
1 5 (62.50%) Shell Script
1 5 (62.50%) SQL
2 4 (50.00%) PowerShell
3 1 (12.50%) Java
3 1 (12.50%) JavaScript
Qualifications
1 4 (50.00%) SC Cleared
1 4 (50.00%) Security Cleared
2 1 (12.50%) BC Cleared
Quality Assurance & Compliance
1 1 (12.50%) JSP 440
System Software
1 4 (50.00%) Virtual Machines
2 3 (37.50%) Active Directory
3 2 (25.00%) Hyper-V
4 1 (12.50%) GFS2
4 1 (12.50%) OCFS2
4 1 (12.50%) Oracle RAC
4 1 (12.50%) Virtual Servers
4 1 (12.50%) VMware Infrastructure
Systems Management
1 6 (75.00%) Failover Clustering
2 2 (25.00%) SCCM
3 1 (12.50%) Ansible
3 1 (12.50%) vRealize
Vendors
1 3 (37.50%) Microsoft
1 3 (37.50%) Red Hat
1 3 (37.50%) SAP
2 2 (25.00%) Oracle
2 2 (25.00%) Sun
3 1 (12.50%) VMware