Period
to 18 November 2017

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 18 November 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
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 443 347 323
Rank change year-on-year -96 -24 -22
Contract jobs citing Clustering 184 281 319
As % of all contract IT jobs advertised in London 0.40% 0.62% 0.68%
As % of the Miscellaneous category 1.01% 1.69% 1.81%
Number of daily rates quoted 117 207 203
London median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.86% +2.94% -
10th Percentile £308 £313 £321
90th Percentile £575 £580 £538
England median daily rate £410 £400 £400
% change year-on-year +2.50% - -
Number of hourly rates quoted 4 1 7
London median hourly rate £27.50 £16.00 £43.50
Median hourly rate % change year-on-year +71.88% -63.22% -2.25%
10th Percentile £23.48 £15.50 £41.35
90th Percentile £31.00 £16.50 £66.25
England median hourly rate £30.00 £28.00 £38.00
% change year-on-year +7.14% -26.32% +38.18%

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 London with a requirement for generic IT skills.

All Generic IT Skills
London
Contract vacancies with a requirement for generic IT skills 18161 16646 17581
As % of all contract IT jobs advertised in London 39.02% 36.80% 37.28%
Number of daily rates quoted 13007 11811 12365
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £313 £293 £275
90th Percentile £675 £650 £652
England median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 222 253 308
London median hourly rate £21.21 £20.00 £20.00
Median hourly rate % change year-on-year +6.06% - +11.11%
10th Percentile £12.75 £11.78 £12.01
90th Percentile £47.25 £50.00 £50.00
England median hourly rate £20.50 £20.83 £19.03
% change year-on-year -1.58% +9.46% +5.72%

Clustering
Job Vacancy Trend in London

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

Job vacancy trend for Clustering in London

Clustering
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Clustering in London

Clustering
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Clustering in London over the 6 months to 18 November 2017.

Contractor daily rate histogram for Clustering in London

Clustering
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Clustering in London

Clustering
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the London region over the 6 months to 18 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -23 38 £425 -10.53% 5
South London -28 7 £550 +15.79%
West London -5 6 £515 +17.71% 3
North London - 3 £500 -
East London -9 2 - - 1
Clustering
England

For the 6 months to 18 November 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 London region with a requirement for Clustering.

1 80 (43.48%) Windows
2 74 (40.22%) Linux
3 61 (33.15%) VMware
4 55 (29.89%) SQL Server
5 53 (28.80%) SQL
6 52 (28.26%) Windows Server
7 51 (27.72%) Active Directory
8 50 (27.17%) Finance
9 42 (22.83%) Bash Shell
9 42 (22.83%) DevOps
10 40 (21.74%) Python
11 37 (20.11%) Firewall
12 36 (19.57%) Java
12 36 (19.57%) Data Centre
13 35 (19.02%) Migration
14 34 (18.48%) Red Hat Enterprise Linux
15 33 (17.93%) Replication
15 33 (17.93%) Banking
15 33 (17.93%) Oracle
15 33 (17.93%) Microsoft
15 33 (17.93%) Windows Server 2003
16 32 (17.39%) Agile Software Development
16 32 (17.39%) PowerShell
16 32 (17.39%) High Availability
17 31 (16.85%) Hyper-V
18 30 (16.30%) Red Hat
18 30 (16.30%) Cisco
18 30 (16.30%) HP
18 30 (16.30%) Unix
19 29 (15.76%) SAN

Clustering
Co-occurring IT Skills in 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 21 (11.41%) Apache
2 19 (10.33%) MS Exchange
3 16 (8.70%) Tomcat
4 14 (7.61%) Skype for Business
5 10 (5.43%) Elasticsearch
6 9 (4.89%) Confluence
7 7 (3.80%) CMS
7 7 (3.80%) IIS
8 6 (3.26%) Exchange Server 2013
8 6 (3.26%) SharePoint
9 5 (2.72%) nginx
10 3 (1.63%) Apache Spark
10 3 (1.63%) Exchange Server 2010
10 3 (1.63%) WebSphere
11 2 (1.09%) JBoss
11 2 (1.09%) MQSeries
11 2 (1.09%) WebSphere Application Server
12 1 (0.54%) Oracle SOA Suite
12 1 (0.54%) SharePoint 2013
12 1 (0.54%) WebLogic
Applications
1 2 (1.09%) Microsoft Office
2 1 (0.54%) Microsoft Excel
2 1 (0.54%) MS Visio
Business Applications
1 1 (0.54%) Oracle EBS
1 1 (0.54%) Oracle Retail
Cloud Services
1 21 (11.41%) Amazon AWS
2 14 (7.61%) Microsoft Azure
3 6 (3.26%) Office 365
4 5 (2.72%) GitHub
5 4 (2.17%) AWS CloudFormation
5 4 (2.17%) IaaS
5 4 (2.17%) Slack
6 3 (1.63%) Amazon EC2
6 3 (1.63%) Cloud Computing
7 2 (1.09%) Amazon S3
7 2 (1.09%) PaaS
8 1 (0.54%) Amazon EMR
8 1 (0.54%) Amazon SQS
8 1 (0.54%) Google Cloud Platform
8 1 (0.54%) iTunes
8 1 (0.54%) OpenShift
Communications & Networking
1 37 (20.11%) Firewall
2 29 (15.76%) SAN
3 21 (11.41%) SSL
4 20 (10.87%) TCP/IP
5 19 (10.33%) VoIP
6 16 (8.70%) DHCP
6 16 (8.70%) DNS
7 15 (8.15%) BIG-IP
7 15 (8.15%) F5 BIG-IP LTM
8 14 (7.61%) LAN
8 14 (7.61%) WAN
9 11 (5.98%) NAS
10 8 (4.35%) BGP
10 8 (4.35%) OSPF
10 8 (4.35%) Wireless
11 7 (3.80%) Cisco IOS
11 7 (3.80%) EIGRP
11 7 (3.80%) Network Security
11 7 (3.80%) SSH
12 6 (3.26%) HTTP
Database & Business Intelligence
1 55 (29.89%) SQL Server
2 20 (10.87%) PostgreSQL
3 16 (8.70%) MongoDB
3 16 (8.70%) MySQL
4 15 (8.15%) SQL Server 2005
5 14 (7.61%) SQL Server Integration Services
6 13 (7.07%) SQL Server Analysis Services
7 12 (6.52%) SQL Server 2012
7 12 (6.52%) SQL Server 2016
8 11 (5.98%) Relational Database
9 9 (4.89%) SQL Server 2008
9 9 (4.89%) SQL Server Reporting Services
10 8 (4.35%) Microsoft Analysis Services
10 8 (4.35%) RDBMS
11 7 (3.80%) Big Data
11 7 (3.80%) Oracle Database
12 6 (3.26%) Hadoop
13 5 (2.72%) DB2
14 4 (2.17%) SQL Server 2014
15 3 (1.63%) Data Warehouse
Development Applications
1 21 (11.41%) Jenkins
2 16 (8.70%) Git (software)
3 8 (4.35%) JIRA
4 7 (3.80%) Maven
5 4 (2.17%) SonarQube
5 4 (2.17%) Team Foundation Server
6 3 (1.63%) Bitbucket
6 3 (1.63%) Subversion
7 2 (1.09%) Cucumber
7 2 (1.09%) Introscope
7 2 (1.09%) Visual Studio
8 1 (0.54%) Artifactory
8 1 (0.54%) ERwin
8 1 (0.54%) GitLab
8 1 (0.54%) Hudson
8 1 (0.54%) MSBuild
8 1 (0.54%) NUnit
8 1 (0.54%) SpecFlow
8 1 (0.54%) SQL Server Management Studio (SSMS)
8 1 (0.54%) Talend Open Studio
General
1 50 (27.17%) Finance
2 33 (17.93%) Banking
3 6 (3.26%) Investment Banking
4 5 (2.72%) Financial Institution
4 5 (2.72%) Law
5 4 (2.17%) Front Office
5 4 (2.17%) Marketing
5 4 (2.17%) Retail
6 3 (1.63%) Back Office
7 2 (1.09%) Digital Economy
7 2 (1.09%) Manufacturing
7 2 (1.09%) Telecoms
8 1 (0.54%) Electronics
8 1 (0.54%) French Language
8 1 (0.54%) Legal
8 1 (0.54%) Local Government
Job Titles
1 30 (16.30%) DBA
2 23 (12.50%) Administrator
2 23 (12.50%) Linux Engineer
3 21 (11.41%) DevOps Engineer
4 18 (9.78%) Linux DevOps Engineer
4 18 (9.78%) Linux/Unix DevOps
5 17 (9.24%) Cisco Engineer
5 17 (9.24%) SQL DBA
5 17 (9.24%) Support Engineer
6 15 (8.15%) Systems Administrator
6 15 (8.15%) Systems Support
7 14 (7.61%) Developer
8 13 (7.07%) Windows Engineer
9 10 (5.43%) Infrastructure Engineer
9 10 (5.43%) Systems Engineer
10 9 (4.89%) Analyst
10 9 (4.89%) Architect
10 9 (4.89%) Consultant
10 9 (4.89%) Operations Engineer
10 9 (4.89%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 12 (6.52%) LAPP Stack
2 8 (4.35%) XMPP
3 7 (3.80%) Middleware
3 7 (3.80%) Spring
4 6 (3.26%) Akka
5 5 (2.72%) ActiveMQ
5 5 (2.72%) WebSphere MQ
6 4 (2.17%) .NET
6 4 (2.17%) AngularJS
6 4 (2.17%) jQuery
7 3 (1.63%) Ajax
7 3 (1.63%) Apache Camel
7 3 (1.63%) ASP.NET
7 3 (1.63%) GWT
7 3 (1.63%) Hibernate
7 3 (1.63%) HTML
7 3 (1.63%) JSF
7 3 (1.63%) OSGi
8 2 (1.09%) SOAP
8 2 (1.09%) Web Services
Miscellaneous
1 36 (19.57%) Data Centre
2 33 (17.93%) Replication
3 9 (4.89%) Fintech
4 6 (3.26%) Computer Science
5 5 (2.72%) Analytical Skills
5 5 (2.72%) Device Driver
6 4 (2.17%) Public Cloud
7 3 (1.63%) Enterprise Software
7 3 (1.63%) Fixed Income
8 2 (1.09%) Client/Server
8 2 (1.09%) Derivative
8 2 (1.09%) Enterprise Storage
8 2 (1.09%) HACMP
8 2 (1.09%) PACS
8 2 (1.09%) Private Cloud
8 2 (1.09%) Video Conferencing
9 1 (0.54%) Algorithms
9 1 (0.54%) Cyber Attack
9 1 (0.54%) Data Structures
9 1 (0.54%) Security Operations Centre
Operating Systems
1 80 (43.48%) Windows
2 74 (40.22%) Linux
3 52 (28.26%) Windows Server
4 34 (18.48%) Red Hat Enterprise Linux
5 33 (17.93%) Windows Server 2003
6 30 (16.30%) Unix
7 27 (14.67%) Windows Server 2012
8 22 (11.96%) Solaris
9 20 (10.87%) Windows Server 2008
10 18 (9.78%) CentOS
11 13 (7.07%) Windows XP
12 7 (3.80%) Ubuntu
13 5 (2.72%) AIX
14 3 (1.63%) Windows Vista
15 2 (1.09%) Data ONTAP
15 2 (1.09%) HPUX
15 2 (1.09%) Windows 7
16 1 (0.54%) Debian
16 1 (0.54%) SUSE
16 1 (0.54%) Windows 10
Processes & Methodologies
1 42 (22.83%) DevOps
2 35 (19.02%) Migration
3 32 (17.39%) Agile Software Development
3 32 (17.39%) High Availability
4 22 (11.96%) Open Source
5 19 (10.33%) Disaster Recovery
6 16 (8.70%) Continuous Integration
6 16 (8.70%) Performance Tuning
7 13 (7.07%) Configuration Management
7 13 (7.07%) ITIL
7 13 (7.07%) Network Monitoring
8 12 (6.52%) Load Balancing
8 12 (6.52%) Patch Management
9 11 (5.98%) Change Management
9 11 (5.98%) Root Cause Analysis
9 11 (5.98%) Scrum
10 10 (5.43%) Mentoring
10 10 (5.43%) User Stories
11 8 (4.35%) Analytics
11 8 (4.35%) Performance Monitoring
Programming Languages
1 53 (28.80%) SQL
2 42 (22.83%) Bash Shell
3 40 (21.74%) Python
4 36 (19.57%) Java
5 32 (17.39%) PowerShell
6 14 (7.61%) Perl
6 14 (7.61%) T-SQL
7 10 (5.43%) R
8 9 (4.89%) Shell Script
9 7 (3.80%) C#
10 5 (2.72%) Go
11 3 (1.63%) JavaScript
11 3 (1.63%) VBA
12 2 (1.09%) Korn
12 2 (1.09%) PHP
12 2 (1.09%) Ruby
12 2 (1.09%) VB.NET
13 1 (0.54%) PL/SQL
13 1 (0.54%) sed
13 1 (0.54%) VB
Qualifications
1 23 (12.50%) Security Cleared
2 17 (9.24%) DV Cleared
3 12 (6.52%) Cisco Certification
4 8 (4.35%) CCNP
5 7 (3.80%) CCIE
5 7 (3.80%) CCNP Voice
5 7 (3.80%) CCVP
5 7 (3.80%) RHCE
5 7 (3.80%) SC Cleared
6 5 (2.72%) CCNA
6 5 (2.72%) Microsoft Certification
6 5 (2.72%) VMware Certified Professional (VCP)
7 4 (2.17%) Degree
7 4 (2.17%) MCSE
8 3 (1.63%) CCSP
8 3 (1.63%) MCITP
9 2 (1.09%) MCSD
10 1 (0.54%) Computer Science Degree
10 1 (0.54%) ITIL Certification
10 1 (0.54%) Numerate Degree
Quality Assurance & Compliance
1 5 (2.72%) AS 2805
1 5 (2.72%) ISO 8583
1 5 (2.72%) PCI DSS
2 3 (1.63%) PSD2
3 1 (0.54%) Disclosure Scotland
3 1 (0.54%) PMO
3 1 (0.54%) QA
System Software
1 51 (27.72%) Active Directory
2 31 (16.85%) Hyper-V
3 17 (9.24%) VMware ESXi
4 16 (8.70%) VMware Infrastructure
5 15 (8.15%) Docker
6 10 (5.43%) Samba
7 7 (3.80%) XenApp
8 4 (2.17%) Virtual Machines
8 4 (2.17%) vSphere
8 4 (2.17%) XenDesktop
9 2 (1.09%) NFS
10 1 (0.54%) Apache ZooKeeper
10 1 (0.54%) Gluster
10 1 (0.54%) GPFS
10 1 (0.54%) HDFS
10 1 (0.54%) LXC
10 1 (0.54%) Oracle RAC
10 1 (0.54%) PowerHA
10 1 (0.54%) SRDF
10 1 (0.54%) Veritas File System
Systems Management
1 20 (10.87%) Microsoft Clustering
2 16 (8.70%) NetBackup
2 16 (8.70%) Opscode Chef
3 15 (8.15%) Ansible
4 14 (7.61%) Netcool
4 14 (7.61%) OpenView Configuration Management
5 12 (6.52%) Puppet
6 10 (5.43%) SCCM
6 10 (5.43%) WMI
7 8 (4.35%) Cisco CUCM
7 8 (4.35%) Cisco UCCX
7 8 (4.35%) Nagios
7 8 (4.35%) SCOM
8 7 (3.80%) Cisco UCCE
9 6 (3.26%) Kubernetes
10 5 (2.72%) Failover Clustering
10 5 (2.72%) Galera Cluster
10 5 (2.72%) Grafana
10 5 (2.72%) Icinga
10 5 (2.72%) Prometheus
Vendors
1 61 (33.15%) VMware
2 33 (17.93%) Microsoft
2 33 (17.93%) Oracle
3 30 (16.30%) Cisco
3 30 (16.30%) HP
3 30 (16.30%) Red Hat
4 22 (11.96%) Veritas
5 21 (11.41%) Citrix
6 15 (8.15%) F5
7 14 (7.61%) McAfee
8 13 (7.07%) SolarWinds
9 11 (5.98%) Fortinet
9 11 (5.98%) Splunk
10 10 (5.43%) IBM
10 10 (5.43%) Juniper
10 10 (5.43%) Mitel
11 7 (3.80%) NetApp
11 7 (3.80%) Tableau
12 4 (2.17%) Dell
12 4 (2.17%) RedGate