Period
to 21 April 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 April 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 Apr 2018
Same period 2017 Same period 2016
Rank 244 204 163
Rank change year-on-year -40 -41 +30
Contract jobs citing Clustering 11 32 68
As % of all contract IT jobs advertised in the City of London 0.16% 0.52% 1.04%
As % of the Miscellaneous category 0.36% 1.34% 2.62%
Number of daily rates quoted 8 25 38
City of London median daily rate £456 £430 £425
Median daily rate % change year-on-year +6.10% +1.18% +3.54%
10th Percentile £382 £318 £342
90th Percentile £588 £588 £591
Central London median daily rate £475 £434 £425
% change year-on-year +9.51% +2.06% +3.29%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £30.00
Central London median hourly rate - - £30.00

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 3,034 2,382 2,599
As % of all contract IT jobs advertised in the City of London 43.08% 38.81% 39.73%
Number of daily rates quoted 2,369 1,803 2,057
City of London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £319 £306 £288
90th Percentile £725 £675 £675
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 54 19 48
City of London median hourly rate £21.50 £21.16 £19.50
Median hourly rate % change year-on-year +1.63% +8.50% +9.14%
10th Percentile £12.72 £14.47 £11.50
90th Percentile £48.43 £55.00 £32.52
Central London median hourly rate £21.23 £18.50 £19.99
% change year-on-year +14.73% -7.45% +11.89%

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 April 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 April 2018, IT contractor jobs citing Clustering also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Clustering.

1 6 (54.55%) SQL
1 6 (54.55%) Finance
2 3 (27.27%) Microsoft
2 3 (27.27%) C#
2 3 (27.27%) Unix
2 3 (27.27%) Windows
2 3 (27.27%) Solaris
2 3 (27.27%) Linux
2 3 (27.27%) Banking
2 3 (27.27%) Windows Server 2008
2 3 (27.27%) Low Latency
3 2 (18.18%) PowerShell
3 2 (18.18%) Big Data
3 2 (18.18%) Windows Server 2012
3 2 (18.18%) Patch Management
3 2 (18.18%) Oracle Database
3 2 (18.18%) Relational Database
3 2 (18.18%) RDBMS
3 2 (18.18%) Data Management
3 2 (18.18%) JSON
3 2 (18.18%) ETL
3 2 (18.18%) Active Directory
3 2 (18.18%) Perl
3 2 (18.18%) XML
3 2 (18.18%) .NET
3 2 (18.18%) Oracle
3 2 (18.18%) SQL Server
3 2 (18.18%) Visual Studio
3 2 (18.18%) Windows Server 2003
3 2 (18.18%) Veritas

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 1 (9.09%) Apache Solr
1 1 (9.09%) Apache Spark
1 1 (9.09%) nginx
1 1 (9.09%) SharePoint
1 1 (9.09%) SharePoint 2013
Applications
1 1 (9.09%) Microsoft Excel
Cloud Services
1 1 (9.09%) Amazon AWS
1 1 (9.09%) Amazon EMR
1 1 (9.09%) Amazon S3
1 1 (9.09%) Microsoft Azure
Communications & Networking
1 1 (9.09%) Firewall
1 1 (9.09%) HTTP
1 1 (9.09%) LAN
1 1 (9.09%) Reverse Proxy
1 1 (9.09%) SSH
1 1 (9.09%) WAN
Database & Business Intelligence
1 2 (18.18%) Big Data
1 2 (18.18%) Oracle Database
1 2 (18.18%) RDBMS
1 2 (18.18%) Relational Database
1 2 (18.18%) SQL Server
2 1 (9.09%) Apache Cassandra
2 1 (9.09%) Apache Hive
2 1 (9.09%) Apache Zeppelin
2 1 (9.09%) Cloudera CDH
2 1 (9.09%) Data Warehouse
2 1 (9.09%) Enterprise Data Warehouse
2 1 (9.09%) Hadoop
2 1 (9.09%) HBase
2 1 (9.09%) Impala
2 1 (9.09%) Oracle Database 10g
2 1 (9.09%) Oracle Database 12c
2 1 (9.09%) Parquet
2 1 (9.09%) SQL Server 2005
2 1 (9.09%) SQL Server 2008
2 1 (9.09%) SQL Server 2012
Development Applications
1 2 (18.18%) Visual Studio
2 1 (9.09%) GitLab
2 1 (9.09%) MSBuild
2 1 (9.09%) NUnit
2 1 (9.09%) SpecFlow
2 1 (9.09%) Team Foundation Server
General
1 6 (54.55%) Finance
2 3 (27.27%) Banking
Job Titles
1 3 (27.27%) DBA
1 3 (27.27%) SQL DBA
2 1 (9.09%) Administrator
2 1 (9.09%) C# Developer
2 1 (9.09%) Consultant
2 1 (9.09%) Database Engineer
2 1 (9.09%) Developer
2 1 (9.09%) Linux Administrator
2 1 (9.09%) Linux Engineer
2 1 (9.09%) Linux Systems Administrator
2 1 (9.09%) Oracle Database Engineer
2 1 (9.09%) Senior Consultant
2 1 (9.09%) Senior SharePoint Consultant
2 1 (9.09%) SharePoint Consultant
2 1 (9.09%) SQL Server DBA
2 1 (9.09%) Support Engineer
2 1 (9.09%) Systems Administrator
2 1 (9.09%) Technical Engineer
2 1 (9.09%) Technical Support
2 1 (9.09%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 2 (18.18%) .NET
1 2 (18.18%) JSON
1 2 (18.18%) XML
2 1 (9.09%) .NET Framework
2 1 (9.09%) ADO.NET
2 1 (9.09%) AngularJS
2 1 (9.09%) ASP.NET
2 1 (9.09%) CSS
2 1 (9.09%) HTML
2 1 (9.09%) jQuery
2 1 (9.09%) LINQ
2 1 (9.09%) Lucene
2 1 (9.09%) Managed Extensibility Framework
2 1 (9.09%) Reactive Extensions
2 1 (9.09%) RESTful
2 1 (9.09%) SOAP
2 1 (9.09%) Task Parallel Library
2 1 (9.09%) Unity DI Container
2 1 (9.09%) WCF
2 1 (9.09%) WPF
Miscellaneous
1 1 (9.09%) Data Centre
1 1 (9.09%) Replication
Operating Systems
1 3 (27.27%) Linux
1 3 (27.27%) Solaris
1 3 (27.27%) Unix
1 3 (27.27%) Windows
1 3 (27.27%) Windows Server 2008
2 2 (18.18%) Windows Server 2003
2 2 (18.18%) Windows Server 2012
3 1 (9.09%) Android
3 1 (9.09%) Apple iOS
3 1 (9.09%) Red Hat Enterprise Linux
3 1 (9.09%) Ubuntu
3 1 (9.09%) Windows Server
Processes & Methodologies
1 3 (27.27%) Low Latency
2 2 (18.18%) Data Management
2 2 (18.18%) ETL
2 2 (18.18%) Patch Management
2 2 (18.18%) Scrum
3 1 (9.09%) Agile Software Development
3 1 (9.09%) Business Continuity
3 1 (9.09%) Business Intelligence
3 1 (9.09%) Configuration Management
3 1 (9.09%) Continuous Integration
3 1 (9.09%) Data Modelling
3 1 (9.09%) Disaster Recovery
3 1 (9.09%) ITIL
3 1 (9.09%) Load Balancing
3 1 (9.09%) Multithreading
3 1 (9.09%) Operations Management
3 1 (9.09%) Performance Management
3 1 (9.09%) Release Management
3 1 (9.09%) Unit Testing
3 1 (9.09%) Workflow
Programming Languages
1 6 (54.55%) SQL
2 3 (27.27%) C#
3 2 (18.18%) Perl
3 2 (18.18%) PowerShell
4 1 (9.09%) Java
4 1 (9.09%) Korn
4 1 (9.09%) PL/SQL
4 1 (9.09%) Python
4 1 (9.09%) Scala
4 1 (9.09%) Shell Script
4 1 (9.09%) T-SQL
4 1 (9.09%) XAML
Qualifications
1 1 (9.09%) CCNP
1 1 (9.09%) Cisco Certification
1 1 (9.09%) Degree
1 1 (9.09%) MCSD
1 1 (9.09%) Microsoft Certification
1 1 (9.09%) Numerate Degree
Quality Assurance & Compliance
1 1 (9.09%) QA
1 1 (9.09%) Sarbanes-Oxley
System Software
1 2 (18.18%) Active Directory
2 1 (9.09%) Apache ZooKeeper
2 1 (9.09%) HDFS
2 1 (9.09%) LXC
2 1 (9.09%) Oracle RAC
Systems Management
1 1 (9.09%) BladeLogic
1 1 (9.09%) Data Guard
1 1 (9.09%) Microsoft Clustering
1 1 (9.09%) Oozie
1 1 (9.09%) Oracle RMAN
1 1 (9.09%) SCCM
Vendors
1 3 (27.27%) Microsoft
2 2 (18.18%) Oracle
2 2 (18.18%) Veritas
3 1 (9.09%) Citrix
3 1 (9.09%) Cloudera
3 1 (9.09%) Red Hat
3 1 (9.09%) Salesforce.com
3 1 (9.09%) Tableau
3 1 (9.09%) Talend