The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in England. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 3 months to 24 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Clustering
UK / England
Rank 322 296 252
Rank change year-on-year -26 -44  
Contract jobs citing Clustering 273 371 410
As % of all contract IT jobs advertised in England 0.65% 0.76% 0.86%
As % of the Miscellaneous category 2.04% 2.44% 2.79%
Number of daily rates quoted 192 250 241
Median daily rate £413 £400 £400
Median daily rate % change year-on-year +3.12% -  
90% offered a daily rate of more than £325 £300 £275
10% offered a daily rate of more than £550 £525 £500
UK excluding London median daily rate £370 £375 £350
% change year-on-year -1.33% +7.14%  
Number of hourly rates quoted 1 2 8
Median hourly rate £25.00 £37.00 £30.92
Median hourly rate % change year-on-year -32.43% +19.68%  
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 England with a requirement for generic IT skills.

Generic IT Skills
England
Contract job vacancies with a requirement for generic IT skills 13406 15228 14690
As % of all contract IT job vacancies advertised in England 32.07% 31.17% 30.72%
Number of daily rates quoted 8669 10047 9002
Median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% -  
90% offered a daily rate of more than £275 £270 £250
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £396 £375 £375
% change year-on-year +5.46% -  
Number of hourly rates quoted 505 520 610
Median hourly rate £22.50 £22.54 £19.00
Median hourly rate % change year-on-year -0.17% +18.63%  
90% offered a hourly rate of more than £11.33 £12.50 £11.50
10% offered a hourly rate of more than £50.00 £50.40 £44.10
UK excluding London median hourly rate £18.84 £29.00 £18.90
% change year-on-year -35.03% +53.43%  

Clustering
Job Vacancy Trend in England

The job posting trend of jobs advertised in England 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 England

Clustering
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Clustering in England

Clustering
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Clustering in England over the 3 months to 24 March 2017.

Contractor daily rate histogram for Clustering in England

Clustering
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for Clustering in England

Clustering
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the England region over the 3 months to 24 March 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
London +27 122 £450 +5.88% 28
South East -26 58 £369 -10.86% 17
East of England +21 36 £405 +3.84% 2
North West -7 26 £365 -2.66% 4
East Midlands -4 11 £330 -17.50% 2
South West -16 7 £388 +7.63% 4
Yorkshire -3 6 £413 +3.12% 3
West Midlands +2 5 £350 +7.69% 8
North East -14 1 - - 3
Clustering
UK

Clustering
Top 30 Related IT Skills in England

For the 6 months to 24 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 England region with a requirement for Clustering.

1 236 (45.04%) Windows
2 228 (43.51%) Linux
3 172 (32.82%) Microsoft
4 170 (32.44%) SQL Server
5 162 (30.92%) SQL
6 153 (29.20%) Active Directory
7 141 (26.91%) VMware
8 135 (25.76%) Windows Server
9 133 (25.38%) High Availability
10 130 (24.81%) SAN
11 114 (21.76%) Unix
12 113 (21.56%) Firewall
13 107 (20.42%) VMware Infrastructure
14 102 (19.47%) Windows Server 2012
15 100 (19.08%) Oracle
16 99 (18.89%) PowerShell
17 97 (18.51%) Red Hat
18 95 (18.13%) Windows Server 2008
19 92 (17.56%) Finance
20 91 (17.37%) ITIL
21 88 (16.79%) Red Hat Enterprise Linux
22 86 (16.41%) Apache
23 85 (16.22%) DNS
23 85 (16.22%) Cisco
23 85 (16.22%) Migration
24 78 (14.89%) TCP/IP
24 78 (14.89%) Veritas
24 78 (14.89%) Microsoft Clustering
25 73 (13.93%) Java
25 73 (13.93%) Security Cleared

Clustering
Top Related IT Skills in England 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 86 (16.41%) Apache
2 53 (10.11%) IIS
3 48 (9.16%) Tomcat
4 46 (8.78%) MS Exchange
5 42 (8.02%) JBoss
5 42 (8.02%) WebLogic
6 31 (5.92%) Exchange Server 2010
7 25 (4.77%) Exchange Server 2013
8 21 (4.01%) iPlanet
8 21 (4.01%) WebSphere
9 19 (3.63%) Oracle Application Server
9 19 (3.63%) Skype for Business
10 16 (3.05%) SharePoint
10 16 (3.05%) WebSphere Application Server
11 12 (2.29%) Exchange Server 2007
12 11 (2.10%) Oracle SOA Suite
13 6 (1.15%) nginx
13 6 (1.15%) Tuxedo
14 5 (0.95%) BizTalk Server
14 5 (0.95%) Exchange Server 2003
Applications
1 20 (3.82%) MS Excel
2 14 (2.67%) MS Office
3 2 (0.38%) MS Visio
4 1 (0.19%) Siemens NX
Business Applications
1 9 (1.72%) Oracle Applications
2 7 (1.34%) SAP Oil and Gas
3 6 (1.15%) Payment Gateway
4 5 (0.95%) Oracle EBS
4 5 (0.95%) Oracle EBS R12
5 4 (0.76%) Dynamics CRM
6 2 (0.38%) Oracle BPM
7 1 (0.19%) Dynamics AX
7 1 (0.19%) Maximo
7 1 (0.19%) Oracle Procure-to-Pay
7 1 (0.19%) SAP SRM
7 1 (0.19%) Teamcenter
Cloud Services
1 44 (8.40%) Microsoft Azure
2 32 (6.11%) Amazon AWS
3 23 (4.39%) Office 365
4 17 (3.24%) IaaS
5 9 (1.72%) Azure Active Directory
6 8 (1.53%) Cloud Computing
7 7 (1.34%) AWS CloudFormation
7 7 (1.34%) GitHub
8 5 (0.95%) PaaS
9 4 (0.76%) Amazon ELB
9 4 (0.76%) OpenShift
10 3 (0.57%) Amazon S3
10 3 (0.57%) SaaS
10 3 (0.57%) Slack
10 3 (0.57%) Yammer
11 2 (0.38%) AWS OpsWorks
11 2 (0.38%) IBM PureFlex
11 2 (0.38%) Mimecast
11 2 (0.38%) Virtual Private Cloud
12 1 (0.19%) Amazon Kinesis
Communications & Networking
1 130 (24.81%) SAN
2 113 (21.56%) Firewall
3 85 (16.22%) DNS
4 78 (14.89%) TCP/IP
5 68 (12.98%) DHCP
6 58 (11.07%) SSL
7 39 (7.44%) NAS
8 36 (6.87%) WAN
9 34 (6.49%) LAN
10 27 (5.15%) LDAP
11 19 (3.63%) Cisco ASA
11 19 (3.63%) HTTP
12 18 (3.44%) Internet
13 16 (3.05%) MPLS
13 16 (3.05%) Network Security
14 15 (2.86%) Kerberos
14 15 (2.86%) NetScaler
15 12 (2.29%) IPsec
15 12 (2.29%) VLAN
15 12 (2.29%) VPN
Database & Business Intelligence
1 170 (32.44%) SQL Server
2 59 (11.26%) SQL Server 2012
3 52 (9.92%) SQL Server Integration Services
4 45 (8.59%) SQL Server 2008
5 42 (8.02%) SQL Server Reporting Services
6 41 (7.82%) Oracle Database
7 37 (7.06%) MySQL
8 34 (6.49%) PostgreSQL
8 34 (6.49%) SQL Server 2014
9 27 (5.15%) SQL Server Analysis Services
10 23 (4.39%) Oracle Database 11g
11 19 (3.63%) SQL Server 2005
12 18 (3.44%) Relational Database
13 15 (2.86%) RDBMS
14 13 (2.48%) NoSQL
15 12 (2.29%) DB2
15 12 (2.29%) Oracle Database 12c
16 11 (2.10%) Data Warehouse
17 9 (1.72%) SQL Server 2000
18 8 (1.53%) Ingres
Development Applications
1 27 (5.15%) Git (software)
2 20 (3.82%) Jenkins
3 13 (2.48%) JIRA
3 13 (2.48%) Team Foundation Server
3 13 (2.48%) TeamCity
4 10 (1.91%) Subversion
5 8 (1.53%) Octopus Deploy
6 5 (0.95%) Artifactory
6 5 (0.95%) Gradle
7 4 (0.76%) ClearCase
7 4 (0.76%) JUnit
8 3 (0.57%) ClearQuest
8 3 (0.57%) CruiseControl
8 3 (0.57%) Eclipse
8 3 (0.57%) Gitweb
8 3 (0.57%) Oracle Forms
8 3 (0.57%) Selenium
8 3 (0.57%) SonarQube
8 3 (0.57%) Visual Studio
8 3 (0.57%) Visual Studio Team System
General
1 92 (17.56%) Finance
2 33 (6.30%) Banking
3 15 (2.86%) Legal
4 14 (2.67%) Law
5 12 (2.29%) Financial Institution
6 11 (2.10%) Manufacturing
7 9 (1.72%) Games
8 8 (1.53%) Marketing
9 7 (1.34%) Retail
9 7 (1.34%) Telecoms
10 6 (1.15%) Advertising
10 6 (1.15%) Local Government
11 4 (0.76%) Back Office
11 4 (0.76%) French Language
11 4 (0.76%) Investment Banking
12 3 (0.57%) Electronics
12 3 (0.57%) Publishing
13 2 (0.38%) Aerospace
13 2 (0.38%) Prime Brokerage
14 1 (0.19%) Automotive
Job Titles
1 86 (16.41%) DBA
2 71 (13.55%) SQL DBA
3 70 (13.36%) Administrator
4 40 (7.63%) Analyst
4 40 (7.63%) Architect
5 37 (7.06%) Linux Engineer
6 31 (5.92%) DevOps Engineer
7 30 (5.73%) Consultant
8 29 (5.53%) Developer
8 29 (5.53%) Infrastructure Engineer
9 27 (5.15%) Support Engineer
9 27 (5.15%) Windows Engineer
10 22 (4.20%) SQL Server DBA
11 18 (3.44%) 3rd Line Engineer
11 18 (3.44%) Linux Administrator
12 17 (3.24%) 3rd Line Support
12 17 (3.24%) Systems Administrator
13 15 (2.86%) 3rd Line Support Engineer
14 14 (2.67%) Infrastructure Analyst
14 14 (2.67%) Senior DevOps
Libraries, Frameworks & Software Standards
1 37 (7.06%) J2EE
2 35 (6.68%) .NET
3 25 (4.77%) Web Services
4 24 (4.58%) Middleware
5 23 (4.39%) LAPP Stack
6 19 (3.63%) LAMP
7 15 (2.86%) HTML
8 11 (2.10%) SOAP
8 11 (2.10%) WebSphere MQ
9 10 (1.91%) ASP.NET
9 10 (1.91%) REST
10 9 (1.72%) JSON
10 9 (1.72%) Oracle Fusion
11 8 (1.53%) JMS
11 8 (1.53%) Kafka
11 8 (1.53%) Spring
11 8 (1.53%) XML
12 7 (1.34%) 802.1X
12 7 (1.34%) jQuery
13 6 (1.15%) .NET Framework
Miscellaneous
1 72 (13.74%) Data Centre
2 45 (8.59%) Replication
3 24 (4.58%) Computer Science
4 18 (3.44%) PKI
5 17 (3.24%) Management Information System
6 16 (3.05%) Analytical Skills
7 12 (2.29%) Enterprise Software
8 11 (2.10%) Smart Meter
9 10 (1.91%) EMC VNX
10 9 (1.72%) HACMP
11 8 (1.53%) Fat Client
11 8 (1.53%) Thin Client
12 7 (1.34%) Enterprise Storage
13 6 (1.15%) Derivative
13 6 (1.15%) Virtual Team
14 5 (0.95%) Fintech
14 5 (0.95%) Hedge funds
14 5 (0.95%) iSeries
14 5 (0.95%) Mainframe
14 5 (0.95%) Private Cloud
Operating Systems
1 236 (45.04%) Windows
2 228 (43.51%) Linux
3 135 (25.76%) Windows Server
4 114 (21.76%) Unix
5 102 (19.47%) Windows Server 2012
6 95 (18.13%) Windows Server 2008
7 88 (16.79%) Red Hat Enterprise Linux
8 52 (9.92%) Windows Server 2003
9 49 (9.35%) Solaris
10 32 (6.11%) AIX
11 26 (4.96%) CentOS
12 14 (2.67%) Windows XP
13 11 (2.10%) Windows 7
14 7 (1.34%) Windows 10
15 6 (1.15%) Windows 8
16 5 (0.95%) SUSE
17 3 (0.57%) Data ONTAP
18 2 (0.38%) HPUX
18 2 (0.38%) Oracle Linux
18 2 (0.38%) Windows 2000
Processes & Methodologies
1 133 (25.38%) High Availability
2 91 (17.37%) ITIL
3 85 (16.22%) Migration
4 65 (12.40%) DevOps
5 57 (10.88%) Load Balancing
6 50 (9.54%) Configuration Management
7 47 (8.97%) Disaster Recovery
8 41 (7.82%) Agile Software Development
9 35 (6.68%) Performance Tuning
10 34 (6.49%) Business Intelligence
11 25 (4.77%) Change Management
12 24 (4.58%) Change Control
12 24 (4.58%) ITIL V3
13 23 (4.39%) Software Engineering
14 20 (3.82%) Continuous Integration
14 20 (3.82%) Server Building
15 18 (3.44%) Problem Management
16 16 (3.05%) Data Protection
17 15 (2.86%) Project Management
18 14 (2.67%) ETL
Programming Languages
1 162 (30.92%) SQL
2 99 (18.89%) PowerShell
3 73 (13.93%) Java
4 71 (13.55%) Python
5 69 (13.17%) Bash Shell
6 45 (8.59%) Perl
7 40 (7.63%) Shell Script
8 36 (6.87%) Ruby
9 32 (6.11%) T-SQL
10 25 (4.77%) C#
11 22 (4.20%) C
11 22 (4.20%) Korn
12 15 (2.86%) JavaScript
13 13 (2.48%) PL/SQL
14 9 (1.72%) PHP
14 9 (1.72%) VB
15 6 (1.15%) COBOL
15 6 (1.15%) Jython
16 5 (0.95%) VB.NET
17 4 (0.76%) AWK
Qualifications
1 73 (13.93%) Security Cleared
2 55 (10.50%) SC Cleared
3 49 (9.35%) Microsoft Certification
4 32 (6.11%) MCSE
5 27 (5.15%) Cisco Certification
6 24 (4.58%) Degree
7 23 (4.39%) MCITP
8 18 (3.44%) CCNA
9 16 (3.05%) CCNP
9 16 (3.05%) DV Cleared
10 15 (2.86%) MCP
11 14 (2.67%) RHCE
12 12 (2.29%) VMware Certified Professional (VCP)
13 8 (1.53%) MCDBA
13 8 (1.53%) MCSA
14 7 (1.34%) MCTS
15 6 (1.15%) ITIL Certification
15 6 (1.15%) Oracle Certification
16 4 (0.76%) CCIE
17 3 (0.57%) MCSD
Quality Assurance & Compliance
1 11 (2.10%) QA
2 10 (1.91%) SLA
3 6 (1.15%) PCI DSS
4 5 (0.95%) ISO/IEC 27001
4 5 (0.95%) JSP 440
5 2 (0.38%) PMO
6 1 (0.19%) Data Quality
6 1 (0.19%) HL7
6 1 (0.19%) ISO15022
6 1 (0.19%) ISO20022
6 1 (0.19%) SEPA
System Software
1 153 (29.20%) Active Directory
2 107 (20.42%) VMware Infrastructure
3 66 (12.60%) Hyper-V
4 47 (8.97%) vSphere
5 28 (5.34%) Virtual Machines
6 23 (4.39%) Veritas Volume Manager
7 21 (4.01%) Veritas Cluster Server
7 21 (4.01%) XenApp
8 18 (3.44%) Oracle RAC
9 17 (3.24%) VMware ESXi
10 15 (2.86%) GPFS
11 13 (2.48%) Terminal Services
11 13 (2.48%) VMware ESX
12 12 (2.29%) PowerHA
13 9 (1.72%) Docker
13 9 (1.72%) XenDesktop
14 8 (1.53%) Firmware
14 8 (1.53%) GFS2
14 8 (1.53%) OCFS2
15 6 (1.15%) NFS
Systems Management
1 78 (14.89%) Microsoft Clustering
2 61 (11.64%) Puppet
3 48 (9.16%) SCCM
4 43 (8.21%) Failover Clustering
5 33 (6.30%) NetBackup
6 28 (5.34%) Tivoli Storage Manager
7 27 (5.15%) Ansible
8 21 (4.01%) SCOM
9 18 (3.44%) Red Hat Satellite
10 15 (2.86%) Salt
11 13 (2.48%) Netcool
11 13 (2.48%) OpenView Configuration Management
12 12 (2.29%) Opscode Chef
12 12 (2.29%) WSUS
13 11 (2.10%) Norton AntiVirus
13 11 (2.10%) SCVMM
13 11 (2.10%) Symantec Endpoint Protection
14 10 (1.91%) Nagios
14 10 (1.91%) vRealize
15 9 (1.72%) Microsoft Data Protection Manager
Vendors
1 172 (32.82%) Microsoft
2 141 (26.91%) VMware
3 100 (19.08%) Oracle
4 97 (18.51%) Red Hat
5 85 (16.22%) Cisco
6 78 (14.89%) Veritas
7 69 (13.17%) HP
8 67 (12.79%) Citrix
9 40 (7.63%) Symantec
10 36 (6.87%) EMC
11 27 (5.15%) F5
11 27 (5.15%) Sun
12 25 (4.77%) NetApp
13 20 (3.82%) IBM
14 14 (2.67%) 3PAR
14 14 (2.67%) Brocade
14 14 (2.67%) SAP
15 13 (2.48%) Dell
16 12 (2.29%) Juniper
17 11 (2.10%) CheckPoint
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