The table below looks at the prevalence of the term Clustering in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited Clustering over the 3 months to 4 May 2016 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
4 May 2016
Same period 2015 Same period 2014
Clustering
Rank 134 143 153
Rank change year-on-year
+9 +10
Contract jobs citing Clustering 28 60 59
As % of all contract IT jobs located in the City of London 0.81% 1.09% 0.94%
As % of the Miscellaneous category 2.18% 2.95% 2.45%
Number of daily rates quoted 24 43 52
Median daily rate £416 £415 £425
Median daily rate % change year-on-year
+0.30% -2.35%
90% offered a daily rate of more than £328 £280 £244
10% offered a daily rate of more than £500 £495 £525
UK excluding London median daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 0 3 0
Median hourly rate - £22.83 -
UK excluding London median hourly rate £25.50 £48.25 £32.50
% change year-on-year
-47.15% +48.46%
Clustering
London

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

Miscellaneous Category
City of London
Contract IT job ads with a match in the
Miscellaneous category
1282 2032 2406
As % of all contract IT jobs located in the City of London 37.07% 37.08% 38.41%
Number of daily rates quoted 1048 1553 1802
Median daily rate £475 £475 £475
90% offered a daily rate of more than £325 £275 £290
10% offered a daily rate of more than £650 £625 £650
UK excluding London median daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 21 31 38
Median hourly rate £19.00 £20.00 £22.50
Median hourly rate % change year-on-year
-5.00% -11.11%
90% offered a hourly rate of more than £12.00 £14.56 £12.40
10% offered a hourly rate of more than £50.00 £69.40 £45.49
UK excluding London median hourly rate £22.00 £19.00 £20.50
% change year-on-year
+15.78% -7.31%

Clustering
Jobs Demand Trend in the City of London

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

Clustering Jobs Demand Trend in the City of London

Clustering
Daily Rate Trend in the City of London

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

Clustering Daily Rate Trend in the City of London

Clustering
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Clustering across the City of London region over the 3 months to 4 May 2016.

Clustering Daily Rate Histogram in the City of London

Clustering
Hourly Rate Trend in the City of London

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

Clustering Hourly Rate Trend in the City of London

Clustering
Top 30 Related IT Skills in the City of London

For the 6 months to 4 May 2016, 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 39 (59.09%) Finance
2 35 (53.03%) Linux
3 30 (45.45%) Oracle
3 30 (45.45%) SQL Server
4 23 (34.85%) High Availability
5 22 (33.33%) SQL
6 21 (31.82%) Financial Institution
7 19 (28.79%) Unix
8 18 (27.27%) Microsoft
8 18 (27.27%) Replication
8 18 (27.27%) Hedge funds
8 18 (27.27%) Oracle Database
9 17 (25.76%) Windows
10 16 (24.24%) PowerShell
11 15 (22.73%) Oracle Database 11g
11 15 (22.73%) Python
12 14 (21.21%) VMware
12 14 (21.21%) Performance Tuning
13 13 (19.70%) Oracle HTTP Server
13 13 (19.70%) Siebel
13 13 (19.70%) HTTP
13 13 (19.70%) User Acceptance Testing
13 13 (19.70%) Red Hat Enterprise Linux
14 12 (18.18%) Perl
14 12 (18.18%) SAN
15 11 (16.67%) HP
15 11 (16.67%) Active Directory
15 11 (16.67%) Bash Shell
15 11 (16.67%) Puppet
15 11 (16.67%) Data Centre

Clustering
Top Related 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 13 (19.70%) Oracle HTTP Server
2 4 (6.06%) SharePoint
3 2 (3.03%) BizTalk Server
3 2 (3.03%) IIS
4 1 (1.52%) Apache
4 1 (1.52%) Confluence
4 1 (1.52%) Exchange Server 2007
4 1 (1.52%) Exchange Server 2013
4 1 (1.52%) JBoss
4 1 (1.52%) MediaWiki
4 1 (1.52%) MS Exchange
4 1 (1.52%) nginx
Applications
1 5 (7.58%) MS Excel
2 1 (1.52%) MS Project
Business Applications
1 1 (1.52%) Dynamics CRM
Cloud Services
1 6 (9.09%) Amazon AWS
2 1 (1.52%) Cloud Computing
2 1 (1.52%) Office 365
2 1 (1.52%) SaaS
Communications & Networking
1 13 (19.70%) HTTP
2 12 (18.18%) SAN
3 8 (12.12%) LDAP
4 7 (10.61%) DNS
4 7 (10.61%) Firewall
4 7 (10.61%) LAN
4 7 (10.61%) WAN
5 6 (9.09%) TCP/IP
6 3 (4.55%) Internet
7 2 (3.03%) NAS
8 1 (1.52%) BGP
8 1 (1.52%) EIGRP
8 1 (1.52%) IPsec
8 1 (1.52%) IPv6
8 1 (1.52%) iSCSI
8 1 (1.52%) Network Security
8 1 (1.52%) OSPF
8 1 (1.52%) VPN
Database & Business Intelligence
1 30 (45.45%) SQL Server
2 18 (27.27%) Oracle Database
3 15 (22.73%) Oracle Database 11g
4 10 (15.15%) Oracle BI EE
4 10 (15.15%) SQL Server 2012
5 9 (13.64%) SQL Server Analysis Services
5 9 (13.64%) SQL Server Reporting Services
6 8 (12.12%) SQL Server 2008
7 6 (9.09%) SQL Server 2014
7 6 (9.09%) SQL Server Integration Services
8 5 (7.58%) Relational Database
9 4 (6.06%) Microsoft Analysis Services
9 4 (6.06%) MySQL
9 4 (6.06%) PostgreSQL
10 3 (4.55%) Apache Cassandra
10 3 (4.55%) Big Data
10 3 (4.55%) HBase
10 3 (4.55%) RDBMS
10 3 (4.55%) SQL Server 2005
11 2 (3.03%) NoSQL
Development Applications
1 7 (10.61%) Jenkins
2 5 (7.58%) Team Foundation Server
3 4 (6.06%) Artifactory
4 3 (4.55%) MSBuild
4 3 (4.55%) NUnit
4 3 (4.55%) Visual Studio
5 2 (3.03%) SQL Server Management Studio (SSMS)
5 2 (3.03%) Toad
6 1 (1.52%) CruiseControl
6 1 (1.52%) Git (software)
6 1 (1.52%) Hudson
6 1 (1.52%) JIRA
6 1 (1.52%) Subversion
6 1 (1.52%) TeamCity
6 1 (1.52%) Visual Studio Team System
General
1 39 (59.09%) Finance
2 21 (31.82%) Financial Institution
3 4 (6.06%) Banking
4 3 (4.55%) Investment Banking
Job Titles
1 17 (25.76%) DBA
2 16 (24.24%) SQL DBA
3 14 (21.21%) Administrator
4 8 (12.12%) SQL Server DBA
5 7 (10.61%) Build Engineer
5 7 (10.61%) Senior DBA
5 7 (10.61%) Senior SQL DBA
5 7 (10.61%) Senior SQL Server DBA
6 6 (9.09%) DevOps Engineer
6 6 (9.09%) Linux Engineer
7 5 (7.58%) Automation Engineer
7 5 (7.58%) Developer
7 5 (7.58%) Linux Administrator
7 5 (7.58%) Operations Engineer
7 5 (7.58%) Systems Engineer
8 4 (6.06%) Analyst
8 4 (6.06%) Infrastructure Engineer
8 4 (6.06%) Linux DevOps Engineer
8 4 (6.06%) Linux Systems Engineer
8 4 (6.06%) WPF Developer
Libraries, Frameworks & Software Standards
1 7 (10.61%) .NET
2 6 (9.09%) HTML
3 5 (7.58%) WCF
4 4 (6.06%) JSON
4 4 (6.06%) Managed Extensibility Framework
4 4 (6.06%) SOAP
4 4 (6.06%) WPF
5 3 (4.55%) ADO.NET
5 3 (4.55%) LINQ
5 3 (4.55%) Unity DI Container
6 1 (1.52%) .NET Framework
6 1 (1.52%) ASP.NET
6 1 (1.52%) LAMP
6 1 (1.52%) LAPP Stack
6 1 (1.52%) LEMP Stack
6 1 (1.52%) Reactive Extensions
6 1 (1.52%) Task Parallel Library
6 1 (1.52%) WF
Miscellaneous
1 18 (27.27%) Hedge funds
1 18 (27.27%) Replication
2 11 (16.67%) Data Centre
3 5 (7.58%) Public Cloud
4 1 (1.52%) Analytical Skills
4 1 (1.52%) Celerra
4 1 (1.52%) EMC Centera
4 1 (1.52%) PMI
4 1 (1.52%) Symmetrix
4 1 (1.52%) Wiki
Operating Systems
1 35 (53.03%) Linux
2 19 (28.79%) Unix
3 17 (25.76%) Windows
4 13 (19.70%) Red Hat Enterprise Linux
5 5 (7.58%) Windows Server
5 5 (7.58%) Windows Server 2012
6 4 (6.06%) AIX
6 4 (6.06%) Windows Server 2008
7 2 (3.03%) Solaris
8 1 (1.52%) CentOS
8 1 (1.52%) Debian
8 1 (1.52%) Ubuntu
8 1 (1.52%) Windows Server 2003
Processes & Methodologies
1 23 (34.85%) High Availability
2 14 (21.21%) Performance Tuning
3 13 (19.70%) User Acceptance Testing
4 10 (15.15%) Continuous Integration
4 10 (15.15%) EAI
4 10 (15.15%) ITIL
5 9 (13.64%) Disaster Recovery
6 8 (12.12%) Migration
7 7 (10.61%) DevOps
7 7 (10.61%) Patch Management
8 6 (9.09%) Agile Software Development
8 6 (9.09%) Database Security
9 5 (7.58%) Configuration Management
9 5 (7.58%) Database Mirroring
9 5 (7.58%) ITIL V3
9 5 (7.58%) Software Delivery
10 4 (6.06%) Change Control
10 4 (6.06%) Incident Management
10 4 (6.06%) Multithreading
10 4 (6.06%) Performance Monitoring
Programming Languages
1 22 (33.33%) SQL
2 16 (24.24%) PowerShell
3 15 (22.73%) Python
4 12 (18.18%) Perl
5 11 (16.67%) Bash Shell
6 10 (15.15%) T-SQL
7 8 (12.12%) C#
8 6 (9.09%) PHP
8 6 (9.09%) Ruby
9 5 (7.58%) Shell Script
10 4 (6.06%) C
10 4 (6.06%) VBScript
10 4 (6.06%) XAML
11 2 (3.03%) Java
11 2 (3.03%) Tcl
11 2 (3.03%) VB
12 1 (1.52%) Korn
Qualifications
1 2 (3.03%) CCNA
1 2 (3.03%) Cisco Certification
1 2 (3.03%) MCDBA
1 2 (3.03%) MCTS
1 2 (3.03%) Microsoft Certification
2 1 (1.52%) CCNP
2 1 (1.52%) Degree
2 1 (1.52%) MCDST
2 1 (1.52%) MCITP
2 1 (1.52%) MCSA
2 1 (1.52%) MCSE
2 1 (1.52%) PMI Certification
2 1 (1.52%) RHCA
2 1 (1.52%) RHCE
System Software
1 11 (16.67%) Active Directory
2 8 (12.12%) VMware Infrastructure
3 4 (6.06%) GFS2
3 4 (6.06%) GlusterFS
3 4 (6.06%) KVM
3 4 (6.06%) OCFS2
4 3 (4.55%) GPFS
4 3 (4.55%) RHEV
4 3 (4.55%) vSphere
5 2 (3.03%) Hyper-V
5 2 (3.03%) NFS
5 2 (3.03%) Samba
5 2 (3.03%) VMware ESX
6 1 (1.52%) iptables
6 1 (1.52%) Postfix
6 1 (1.52%) VMware ESXi
6 1 (1.52%) XenApp
6 1 (1.52%) XenDesktop
Systems Management
1 11 (16.67%) Puppet
2 6 (9.09%) Ansible
3 4 (6.06%) CFEngine
3 4 (6.06%) Control-M
3 4 (6.06%) Red Hat Satellite
3 4 (6.06%) SELinux
3 4 (6.06%) Tivoli Storage Manager
4 3 (4.55%) HP Operations Orchestration
5 2 (3.03%) BladeLogic
5 2 (3.03%) Microsoft Data Protection Manager
5 2 (3.03%) Oracle Enterprise Manager
5 2 (3.03%) Oracle RMAN
5 2 (3.03%) SCCM
6 1 (1.52%) EMC NetWorker
6 1 (1.52%) Icinga
6 1 (1.52%) Nagios
6 1 (1.52%) NetBackup
6 1 (1.52%) OpenView
6 1 (1.52%) ZABBIX
Vendors
1 30 (45.45%) Oracle
2 18 (27.27%) Microsoft
3 14 (21.21%) VMware
4 13 (19.70%) Siebel
5 11 (16.67%) HP
6 10 (15.15%) Red Hat
7 5 (7.58%) EMC
7 5 (7.58%) TOWER Software
8 4 (6.06%) Dell
9 3 (4.55%) Citrix
9 3 (4.55%) IBM
10 2 (3.03%) NetApp
10 2 (3.03%) Sun
10 2 (3.03%) Veritas
11 1 (1.52%) 3PAR
11 1 (1.52%) Brocade
11 1 (1.52%) Cisco
11 1 (1.52%) Splunk
11 1 (1.52%) Sybase