Period
to 21 January 2018

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 21 January 2018 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
Central London > City of London
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 226 187 154
Rank change year-on-year -39 -33 +74
Contract jobs citing Clustering 22 45 84
As % of all contract IT jobs advertised in the City of London 0.31% 0.73% 1.18%
As % of the Miscellaneous category 0.74% 1.83% 2.92%
Number of daily rates quoted 16 39 52
City of London median daily rate £431 £450 £425
Median daily rate % change year-on-year -4.17% +5.88% +6.25%
10th Percentile £344 £345 £317
90th Percentile £538 £613 £574
Central London median daily rate £431 £450 £425
% change year-on-year -4.17% +5.88% +6.25%
Number of hourly rates quoted 2 0 2
City of London median hourly rate £27.50 - £35.75
Central London median hourly rate £27.50 - £35.75

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Contract vacancies with a requirement for generic IT skills 2,959 2,456 2,878
As % of all contract IT jobs advertised in the City of London 42.33% 39.77% 40.59%
Number of daily rates quoted 2,351 1,874 2,262
City of London median daily rate £525 £488 £475
Median daily rate % change year-on-year +7.69% +2.63% +5.56%
10th Percentile £325 £313 £278
90th Percentile £713 £675 £675
Central London median daily rate £525 £475 £475
% change year-on-year +10.53% - +5.56%
Number of hourly rates quoted 36 27 45
City of London median hourly rate £27.30 £19.00 £19.99
Median hourly rate % change year-on-year +43.66% -4.95% +14.23%
10th Percentile £14.91 £13.11 £12.00
90th Percentile £41.63 £55.00 £35.04
Central London median hourly rate £27.09 £18.45 £20.00
% change year-on-year +46.83% -7.73% +14.26%

Clustering
Job Vacancy Trend in the City of London

Job postings citing Clustering as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Clustering in the City of London

Clustering
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Clustering in the City of London

Clustering
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Clustering in the City of London over the 6 months to 21 January 2018.

Contractor daily rate histogram for Clustering in the City of London

Clustering
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Clustering in the City of London

For the 6 months to 21 January 2018, 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 City of London region with a requirement for Clustering.

1 10 (45.45%) Windows
2 8 (36.36%) Oracle
2 8 (36.36%) SQL Server
3 7 (31.82%) Finance
3 7 (31.82%) PowerShell
3 7 (31.82%) Windows Server
4 6 (27.27%) High Availability
4 6 (27.27%) Agile Software Development
4 6 (27.27%) SQL
4 6 (27.27%) Linux
4 6 (27.27%) Windows Server 2003
5 5 (22.73%) Citrix
5 5 (22.73%) Microsoft
5 5 (22.73%) Replication
5 5 (22.73%) VMware
5 5 (22.73%) Microsoft Clustering
6 4 (18.18%) Relational Database
6 4 (18.18%) Data Centre
6 4 (18.18%) Security Cleared
6 4 (18.18%) Windows Server 2008
6 4 (18.18%) Banking
6 4 (18.18%) Active Directory
6 4 (18.18%) SSL
6 4 (18.18%) Unix
6 4 (18.18%) Java
7 3 (13.64%) C#
7 3 (13.64%) T-SQL
7 3 (13.64%) Python
7 3 (13.64%) Apache
7 3 (13.64%) Solaris

Clustering
Co-occurring IT Skills in the City of London 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 3 (13.64%) Apache
2 2 (9.09%) MS Exchange
2 2 (9.09%) Tomcat
3 1 (4.55%) Confluence
3 1 (4.55%) nginx
3 1 (4.55%) SharePoint
3 1 (4.55%) SharePoint 2013
Applications
1 1 (4.55%) Microsoft Excel
Cloud Services
1 3 (13.64%) Microsoft Azure
2 2 (9.09%) Amazon AWS
2 2 (9.09%) Cloud Computing
2 2 (9.09%) IaaS
2 2 (9.09%) PaaS
3 1 (4.55%) GitHub
Communications & Networking
1 4 (18.18%) SSL
2 3 (13.64%) Firewall
3 2 (9.09%) BIG-IP
3 2 (9.09%) F5 BIG-IP LTM
3 2 (9.09%) TCP/IP
4 1 (4.55%) HTTP
4 1 (4.55%) LAN
4 1 (4.55%) Reverse Proxy
4 1 (4.55%) SSH
4 1 (4.55%) WAN
Database & Business Intelligence
1 8 (36.36%) SQL Server
2 4 (18.18%) Relational Database
3 3 (13.64%) Microsoft Analysis Services
3 3 (13.64%) RDBMS
3 3 (13.64%) SQL Server 2005
3 3 (13.64%) SQL Server 2016
3 3 (13.64%) SQL Server Analysis Services
4 2 (9.09%) Big Data
4 2 (9.09%) DB2
4 2 (9.09%) MySQL
4 2 (9.09%) PostgreSQL
4 2 (9.09%) SQL Server 2012
4 2 (9.09%) SQL Server Integration Services
5 1 (4.55%) Apache Cassandra
5 1 (4.55%) Hadoop
5 1 (4.55%) HBase
5 1 (4.55%) Oracle Database
Development Applications
1 2 (9.09%) Visual Studio
2 1 (4.55%) Bitbucket
2 1 (4.55%) Jenkins
2 1 (4.55%) JIRA
2 1 (4.55%) MSBuild
2 1 (4.55%) NUnit
2 1 (4.55%) SpecFlow
2 1 (4.55%) Subversion
2 1 (4.55%) Team Foundation Server
General
1 7 (31.82%) Finance
2 4 (18.18%) Banking
3 2 (9.09%) Investment Banking
3 2 (9.09%) Law
4 1 (4.55%) Financial Institution
4 1 (4.55%) Front Office
4 1 (4.55%) Legal
Job Titles
1 5 (22.73%) Administrator
1 5 (22.73%) DBA
2 3 (13.64%) Consultant
2 3 (13.64%) Developer
2 3 (13.64%) SQL DBA
2 3 (13.64%) Systems Administrator
2 3 (13.64%) Systems Support
3 2 (9.09%) 2nd Line Support
3 2 (9.09%) Linux Engineer
3 2 (9.09%) Messaging Consultant
3 2 (9.09%) Messaging Specialist
3 2 (9.09%) Middleware Consultant
3 2 (9.09%) Middleware Specialist
4 1 (4.55%) Development Consultant
4 1 (4.55%) Linux Support Engineer
4 1 (4.55%) SCCM Specialist
4 1 (4.55%) Senior SharePoint Consultant
4 1 (4.55%) Windows Engineer
4 1 (4.55%) Windows Server Specialist
4 1 (4.55%) Windows Specialist
Libraries, Frameworks & Software Standards
1 3 (13.64%) Middleware
2 2 (9.09%) .NET
2 2 (9.09%) AngularJS
2 2 (9.09%) HTML
2 2 (9.09%) jQuery
2 2 (9.09%) LAPP Stack
2 2 (9.09%) WebSphere MQ
3 1 (4.55%) ADO.NET
3 1 (4.55%) Apache Camel
3 1 (4.55%) ASP.NET
3 1 (4.55%) CSS
3 1 (4.55%) GWT
3 1 (4.55%) HTML5
3 1 (4.55%) Managed Extensibility Framework
3 1 (4.55%) OSGi
3 1 (4.55%) Reactive Extensions
3 1 (4.55%) RESTful
3 1 (4.55%) SOAP
3 1 (4.55%) Task Parallel Library
3 1 (4.55%) Unity DI Container
Miscellaneous
1 5 (22.73%) Replication
2 4 (18.18%) Data Centre
3 3 (13.64%) Computer Science
4 2 (9.09%) Client/Server
5 1 (4.55%) Enterprise Software
5 1 (4.55%) Fixed Income
5 1 (4.55%) Wiki
Operating Systems
1 10 (45.45%) Windows
2 7 (31.82%) Windows Server
3 6 (27.27%) Linux
3 6 (27.27%) Windows Server 2003
4 4 (18.18%) Unix
4 4 (18.18%) Windows Server 2008
5 3 (13.64%) Solaris
6 2 (9.09%) Windows XP
7 1 (4.55%) Android
7 1 (4.55%) Apple iOS
7 1 (4.55%) Red Hat Enterprise Linux
7 1 (4.55%) Ubuntu
7 1 (4.55%) Windows Server 2012
Processes & Methodologies
1 6 (27.27%) Agile Software Development
1 6 (27.27%) High Availability
2 3 (13.64%) Change Management
2 3 (13.64%) DevOps
2 3 (13.64%) Disaster Recovery
2 3 (13.64%) ITIL
2 3 (13.64%) Line Management
2 3 (13.64%) Mentoring
3 2 (9.09%) Client Onboarding
3 2 (9.09%) Coaching
3 2 (9.09%) Configuration Management
3 2 (9.09%) Continuous Integration
3 2 (9.09%) Database Security
3 2 (9.09%) ETL
3 2 (9.09%) Performance Optimisation
3 2 (9.09%) Performance Tuning
3 2 (9.09%) Project Management
3 2 (9.09%) Scrum
3 2 (9.09%) Service Delivery
4 1 (4.55%) Extreme Programming
Programming Languages
1 7 (31.82%) PowerShell
2 6 (27.27%) SQL
3 4 (18.18%) Java
4 3 (13.64%) Bash Shell
4 3 (13.64%) C#
4 3 (13.64%) Python
4 3 (13.64%) T-SQL
5 1 (4.55%) JavaScript
5 1 (4.55%) Perl
5 1 (4.55%) R
5 1 (4.55%) Shell Script
5 1 (4.55%) XAML
Qualifications
1 4 (18.18%) Security Cleared
2 2 (9.09%) Degree
2 2 (9.09%) DV Cleared
2 2 (9.09%) RHCE
2 2 (9.09%) SC Cleared
3 1 (4.55%) CCNP
3 1 (4.55%) Cisco Certification
3 1 (4.55%) Computer Science Degree
3 1 (4.55%) MCSD
3 1 (4.55%) Microsoft Certification
3 1 (4.55%) Numerate Degree
Quality Assurance & Compliance
1 2 (9.09%) AS 2805
1 2 (9.09%) ISO 8583
1 2 (9.09%) PCI DSS
2 1 (4.55%) PMO
2 1 (4.55%) QA
2 1 (4.55%) Sarbanes-Oxley
System Software
1 4 (18.18%) Active Directory
2 2 (9.09%) Hyper-V
2 2 (9.09%) VMware Infrastructure
2 2 (9.09%) XenApp
3 1 (4.55%) LXC
3 1 (4.55%) VMware ESXi
Systems Management
1 5 (22.73%) Microsoft Clustering
2 2 (9.09%) NetBackup
2 2 (9.09%) Netcool
2 2 (9.09%) OpenView Configuration Management
2 2 (9.09%) Puppet
2 2 (9.09%) SCCM
3 1 (4.55%) BladeLogic
Vendors
1 8 (36.36%) Oracle
2 5 (22.73%) Citrix
2 5 (22.73%) Microsoft
2 5 (22.73%) VMware
3 3 (13.64%) Veritas
4 2 (9.09%) Cisco
4 2 (9.09%) F5
4 2 (9.09%) HP
4 2 (9.09%) Intel
4 2 (9.09%) McAfee
4 2 (9.09%) NetApp
4 2 (9.09%) SolarWinds
5 1 (4.55%) Atlassian
5 1 (4.55%) Red Hat