Period
to 16 January 2018

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 6 months to 16 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
UK > England
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 398 348 340
Rank change year-on-year -50 -8 -69
Contract jobs citing Clustering 511 589 692
As % of all contract IT jobs advertised in England 0.55% 0.66% 0.70%
As % of the Miscellaneous category 1.64% 2.00% 2.14%
Number of daily rates quoted 368 398 403
England median daily rate £425 £400 £413
Median daily rate % change year-on-year +6.25% -3.03% +3.13%
10th Percentile £305 £281 £300
90th Percentile £638 £550 £550
UK median daily rate £425 £375 £400
% change year-on-year +13.33% -6.25% -
Number of hourly rates quoted 9 7 16
England median hourly rate £32.00 £25.00 £39.50
Median hourly rate % change year-on-year +28.00% -36.71% +37.39%
10th Percentile £26.35 £18.95 £31.00
90th Percentile £36.00 £52.50 £44.63
UK median hourly rate £32.00 £32.50 £39.50
% change year-on-year -1.54% -17.72% +37.39%

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 England with a requirement for generic IT skills.

All Generic IT Skills
England
Contract vacancies with a requirement for generic IT skills 31,113 29,444 32,396
As % of all contract IT jobs advertised in England 33.70% 32.81% 32.97%
Number of daily rates quoted 21,079 19,288 20,926
England median daily rate £450 £433 £425
Median daily rate % change year-on-year +4.05% +1.76% +3.66%
10th Percentile £265 £260 £250
90th Percentile £657 £625 £625
UK median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 872 1,022 1,293
England median hourly rate £21.50 £20.82 £20.00
Median hourly rate % change year-on-year +3.27% +4.10% +14.29%
10th Percentile £11.25 £11.32 £11.25
90th Percentile £48.75 £47.50 £47.50
UK median hourly rate £21.74 £20.50 £20.00
% change year-on-year +6.05% +2.50% +13.64%

Clustering
Job Vacancy Trend in England

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

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 6 months to 16 January 2018.

Contractor daily rate histogram for Clustering in England

Clustering
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for Clustering in England

Clustering
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing Clustering in England over the 6 months to 16 January 2018.

Contractor hourly rate histogram 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 6 months to 16 January 2018. 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
London -52 199 £430 -4.44% 37
North of England +2 113 £500 +42.86% 34
South East -1 112 £460 +22.67% 43
Midlands +18 48 £350 +6.06% 21
North West +12 48 £535 +33.75% 20
Yorkshire +41 44 £535 +33.75% 13
East Midlands +21 39 £350 +75.00% 10
North East +16 35 £563 +73.31% 1
East of England -29 30 £375 - 10
West Midlands +4 9 £183 -47.10% 10
South West -28 8 £325 -7.14% 12
Clustering
UK

For the 6 months to 16 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 England region with a requirement for Clustering.

1 218 (42.66%) Linux
2 203 (39.73%) Windows
3 153 (29.94%) SQL Server
4 152 (29.75%) VMware
5 145 (28.38%) High Availability
6 136 (26.61%) Microsoft
7 131 (25.64%) Oracle
8 122 (23.87%) Active Directory
9 118 (23.09%) Windows Server
10 115 (22.50%) SQL
11 103 (20.16%) Load Balancing
12 102 (19.96%) Red Hat Enterprise Linux
13 100 (19.57%) DevOps
14 97 (18.98%) Data Centre
14 97 (18.98%) Red Hat
15 96 (18.79%) ITIL
16 95 (18.59%) Bash Shell
17 94 (18.40%) Unix
18 91 (17.81%) Hyper-V
19 88 (17.22%) Firewall
20 85 (16.63%) VMware Infrastructure
21 84 (16.44%) Migration
21 84 (16.44%) HP
22 83 (16.24%) SAN
23 82 (16.05%) DNS
23 82 (16.05%) Solaris
23 82 (16.05%) Security Cleared
23 82 (16.05%) Git (software)
24 81 (15.85%) Replication
25 80 (15.66%) Jenkins

Clustering
Co-occurring 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 49 (9.59%) Apache
2 44 (8.61%) MS Exchange
2 44 (8.61%) SharePoint
3 38 (7.44%) Tomcat
4 36 (7.05%) Confluence
5 34 (6.65%) nginx
6 25 (4.89%) JBoss
7 23 (4.50%) Skype for Business
7 23 (4.50%) WebLogic
8 21 (4.11%) IIS
8 21 (4.11%) iPlanet
8 21 (4.11%) Oracle Application Server
9 16 (3.13%) WebSphere
10 13 (2.54%) Elasticsearch
11 9 (1.76%) BizTalk Server
11 9 (1.76%) Exchange Server 2010
12 8 (1.57%) Exchange Server 2013
12 8 (1.57%) Oracle SOA Suite
13 7 (1.37%) MQSeries
13 7 (1.37%) Oracle Service Bus
Applications
1 22 (4.31%) Microsoft Office
2 15 (2.94%) Microsoft Excel
3 7 (1.37%) MS Visio
4 5 (0.98%) Microsoft Project
Business Applications
1 9 (1.76%) Oracle Procure-to-Pay
2 7 (1.37%) Oracle Applications
2 7 (1.37%) Siebel CRM
3 5 (0.98%) Oracle Utilities
4 3 (0.59%) SAP ERP
4 3 (0.59%) SAP SRM
5 2 (0.39%) Oracle EBS
5 2 (0.39%) SAP Oil and Gas
6 1 (0.20%) Oracle Retail
6 1 (0.20%) Teamcenter
Cloud Services
1 56 (10.96%) Amazon AWS
2 43 (8.41%) Office 365
3 37 (7.24%) Microsoft Azure
4 32 (6.26%) Slack
5 22 (4.31%) AWS CloudFormation
6 16 (3.13%) OpenShift
7 11 (2.15%) PaaS
8 9 (1.76%) IaaS
9 5 (0.98%) Cloud Computing
10 4 (0.78%) SaaS
11 3 (0.59%) Amazon EC2
12 2 (0.39%) Amazon S3
13 1 (0.20%) Amazon EMR
13 1 (0.20%) Amazon SQS
13 1 (0.20%) Azure Active Directory
13 1 (0.20%) Data Lake Analytics
13 1 (0.20%) GitHub
13 1 (0.20%) Google Cloud Platform
13 1 (0.20%) Google Drive
13 1 (0.20%) iTunes
Communications & Networking
1 88 (17.22%) Firewall
2 83 (16.24%) SAN
3 82 (16.05%) DNS
4 68 (13.31%) DHCP
5 55 (10.76%) TCP/IP
6 48 (9.39%) WAN
7 41 (8.02%) NAS
8 40 (7.83%) LAN
9 34 (6.65%) HTTP
10 24 (4.70%) VoIP
11 23 (4.50%) SSL
12 21 (4.11%) LDAP
13 17 (3.33%) iSCSI
14 14 (2.74%) VLAN
15 13 (2.54%) BIG-IP
15 13 (2.54%) F5 BIG-IP LTM
15 13 (2.54%) Unified Communications
16 11 (2.15%) Fibre Channel
16 11 (2.15%) SSH
17 9 (1.76%) Kerberos
Database & Business Intelligence
1 153 (29.94%) SQL Server
2 50 (9.78%) Oracle Database
3 43 (8.41%) Relational Database
4 35 (6.85%) MySQL
5 34 (6.65%) SQL Server 2008
6 30 (5.87%) MongoDB
6 30 (5.87%) RDBMS
6 30 (5.87%) SQL Server 2016
7 24 (4.70%) SQL Server 2012
8 23 (4.50%) PostgreSQL
8 23 (4.50%) SQL Server Integration Services
9 21 (4.11%) DB2
10 18 (3.52%) SQL Server 2005
11 16 (3.13%) Oracle Reports
12 14 (2.74%) SQL Server 2014
12 14 (2.74%) SQL Server Reporting Services
13 13 (2.54%) Oracle Database 12c
14 12 (2.35%) SQL Server Analysis Services
15 8 (1.57%) Hadoop
15 8 (1.57%) Oracle ODI
Development Applications
1 82 (16.05%) Git (software)
2 80 (15.66%) Jenkins
3 34 (6.65%) JIRA
4 32 (6.26%) SonarQube
5 17 (3.33%) Maven
6 13 (2.54%) Team Foundation Server
6 13 (2.54%) Visual Studio
7 10 (1.96%) MSBuild
8 9 (1.76%) NUnit
8 9 (1.76%) SpecFlow
9 8 (1.57%) Cucumber
10 7 (1.37%) Oracle Forms
11 5 (0.98%) Ant
11 5 (0.98%) JUnit
12 4 (0.78%) JMeter
13 2 (0.39%) Artifactory
13 2 (0.39%) Introscope
13 2 (0.39%) Sonatype Nexus
13 2 (0.39%) Subversion
14 1 (0.20%) Codeship
General
1 43 (8.41%) Finance
2 32 (6.26%) Banking
3 8 (1.57%) Legal
3 8 (1.57%) Telecoms
4 7 (1.37%) Automotive
4 7 (1.37%) Retail
5 6 (1.17%) Financial Institution
6 5 (0.98%) Manufacturing
7 4 (0.78%) Front Office
7 4 (0.78%) Investment Banking
7 4 (0.78%) Law
8 3 (0.59%) Back Office
8 3 (0.59%) Electronics
8 3 (0.59%) French Language
9 2 (0.39%) Local Government
9 2 (0.39%) Marketing
9 2 (0.39%) Retail Banking
10 1 (0.20%) Military
10 1 (0.20%) Publishing
10 1 (0.20%) Spanish Language
Job Titles
1 83 (16.24%) DBA
2 67 (13.11%) Administrator
3 63 (12.33%) Linux Engineer
4 57 (11.15%) DevOps Engineer
5 55 (10.76%) Developer
6 48 (9.39%) Linux DevOps Engineer
6 48 (9.39%) Linux/Unix DevOps
7 41 (8.02%) Architect
8 36 (7.05%) SQL DBA
9 34 (6.65%) Systems Administrator
10 28 (5.48%) Windows Engineer
11 26 (5.09%) Oracle DBA
11 26 (5.09%) Senior DevOps
11 26 (5.09%) Senior DevOps Engineer
11 26 (5.09%) Support Engineer
12 23 (4.50%) Analyst
13 22 (4.31%) Consultant
13 22 (4.31%) Unix Engineer
14 21 (4.11%) Senior Linux Engineer
14 21 (4.11%) Systems Engineer
Libraries, Frameworks & Software Standards
1 30 (5.87%) HTML
2 24 (4.70%) SOAP
3 23 (4.50%) J2EE
4 21 (4.11%) .NET
4 21 (4.11%) Web Services
5 20 (3.91%) JSON
5 20 (3.91%) Middleware
6 19 (3.72%) CSS
6 19 (3.72%) Node.js
7 18 (3.52%) AngularJS
7 18 (3.52%) HTML5
7 18 (3.52%) jQuery
8 16 (3.13%) Twitter Bootstrap
9 15 (2.94%) CSS3
9 15 (2.94%) D3.js
9 15 (2.94%) JSTL
10 14 (2.74%) JSP
11 13 (2.54%) Akka
11 13 (2.54%) REST
11 13 (2.54%) Spring
Miscellaneous
1 97 (18.98%) Data Centre
2 81 (15.85%) Replication
3 38 (7.44%) Analytical Skills
4 24 (4.70%) Public Cloud
5 17 (3.33%) Computer Science
5 17 (3.33%) Fat Client
5 17 (3.33%) Thin Client
6 15 (2.94%) HACMP
7 10 (1.96%) Device Driver
8 9 (1.76%) Derivative
9 8 (1.57%) Enterprise Software
9 8 (1.57%) Fintech
9 8 (1.57%) iSeries
10 6 (1.17%) N-Tier
10 6 (1.17%) PKI
11 5 (0.98%) Driving Licence
11 5 (0.98%) LPAR
12 4 (0.78%) Client/Server
12 4 (0.78%) Management Information System
13 3 (0.59%) Fixed Income
Operating Systems
1 218 (42.66%) Linux
2 203 (39.73%) Windows
3 118 (23.09%) Windows Server
4 102 (19.96%) Red Hat Enterprise Linux
5 94 (18.40%) Unix
6 82 (16.05%) Solaris
7 74 (14.48%) Windows Server 2012
8 62 (12.13%) AIX
8 62 (12.13%) Windows Server 2003
9 44 (8.61%) Windows Server 2008
10 33 (6.46%) HPUX
11 32 (6.26%) CentOS
12 20 (3.91%) SUSE
13 19 (3.72%) Windows XP
14 14 (2.74%) Windows 7
15 13 (2.54%) Ubuntu
16 12 (2.35%) Windows 10
17 8 (1.57%) Windows Vista
18 3 (0.59%) Windows 2000
18 3 (0.59%) zOS
Processes & Methodologies
1 145 (28.38%) High Availability
2 103 (20.16%) Load Balancing
3 100 (19.57%) DevOps
4 96 (18.79%) ITIL
5 84 (16.44%) Migration
6 75 (14.68%) Continuous Integration
7 66 (12.92%) Configuration Management
8 64 (12.52%) Disaster Recovery
9 62 (12.13%) Agile Software Development
10 59 (11.55%) Mentoring
11 47 (9.20%) User Stories
12 40 (7.83%) Coaching
12 40 (7.83%) Performance Tuning
13 39 (7.63%) Continuous Delivery
14 38 (7.44%) Microservices
15 35 (6.85%) Scrum
16 32 (6.26%) Static Code Analysis
17 31 (6.07%) Change Management
17 31 (6.07%) Root Cause Analysis
18 27 (5.28%) Problem Management
Programming Languages
1 115 (22.50%) SQL
2 95 (18.59%) Bash Shell
3 79 (15.46%) Java
4 76 (14.87%) Python
5 74 (14.48%) PowerShell
6 50 (9.78%) Perl
7 26 (5.09%) Shell Script
8 22 (4.31%) T-SQL
9 18 (3.52%) C#
10 13 (2.54%) TypeScript
11 10 (1.96%) Go
11 10 (1.96%) JavaScript
11 10 (1.96%) R
12 9 (1.76%) VBScript
12 9 (1.76%) XAML
13 8 (1.57%) Korn
13 8 (1.57%) PHP
14 7 (1.37%) PL/SQL
14 7 (1.37%) WebLogic Scripting Tool
15 6 (1.17%) C-shell
Qualifications
1 82 (16.05%) Security Cleared
2 57 (11.15%) SC Cleared
3 43 (8.41%) Microsoft Certification
4 38 (7.44%) Degree
5 34 (6.65%) MCSE
6 29 (5.68%) Cisco Certification
7 24 (4.70%) DV Cleared
8 21 (4.11%) VMware Certified Professional (VCP)
9 15 (2.94%) CCNA
10 13 (2.54%) RHCE
11 12 (2.35%) CCIE
12 11 (2.15%) MCSA
12 11 (2.15%) Numerate Degree
13 9 (1.76%) Computer Science Degree
14 8 (1.57%) BPSS Clearance
14 8 (1.57%) VERITAS Certified Professional (VCP)
15 7 (1.37%) VCAP
16 6 (1.17%) CCNP
16 6 (1.17%) ITIL Certification
16 6 (1.17%) MCITP
Quality Assurance & Compliance
1 14 (2.74%) SLA
2 12 (2.35%) ISO/IEC 27001
3 7 (1.37%) PCI DSS
4 6 (1.17%) AS 2805
4 6 (1.17%) ISO 8583
4 6 (1.17%) Sarbanes-Oxley
5 3 (0.59%) PSD2
6 2 (0.39%) Data Quality
6 2 (0.39%) Disclosure Scotland
6 2 (0.39%) ISO/IEC 20000
6 2 (0.39%) QA
7 1 (0.20%) GDPR
7 1 (0.20%) PMO
7 1 (0.20%) SAS 70
System Software
1 122 (23.87%) Active Directory
2 91 (17.81%) Hyper-V
3 85 (16.63%) VMware Infrastructure
4 55 (10.76%) Docker
5 38 (7.44%) VMware ESXi
6 20 (3.91%) XenApp
7 19 (3.72%) Samba
8 17 (3.33%) Oracle RAC
9 16 (3.13%) Virtual Machines
10 14 (2.74%) PowerHA
11 13 (2.54%) Veritas Volume Manager
11 13 (2.54%) Xen
12 12 (2.35%) DFS Replication
12 12 (2.35%) KVM
12 12 (2.35%) vSphere
13 10 (1.96%) Terminal Services
14 8 (1.57%) GPFS
15 6 (1.17%) Veritas Cluster Server
15 6 (1.17%) XenDesktop
16 3 (0.59%) ISA Server
Systems Management
1 67 (13.11%) Microsoft Clustering
2 51 (9.98%) Ansible
3 48 (9.39%) Puppet
4 36 (7.05%) SCCM
4 36 (7.05%) SCOM
5 33 (6.46%) NetBackup
6 31 (6.07%) Opscode Chef
7 23 (4.50%) Failover Clustering
7 23 (4.50%) Terraform
8 21 (4.11%) OpenView Configuration Management
9 19 (3.72%) Netcool
10 15 (2.94%) Data Guard
11 13 (2.54%) Backup Exec
12 12 (2.35%) Nagios
12 12 (2.35%) WMI
13 11 (2.15%) Galera Cluster
13 11 (2.15%) HP Data Protector
14 10 (1.96%) Grafana
14 10 (1.96%) Icinga
14 10 (1.96%) Prometheus
Vendors
1 152 (29.75%) VMware
2 136 (26.61%) Microsoft
3 131 (25.64%) Oracle
4 97 (18.98%) Red Hat
5 84 (16.44%) HP
6 70 (13.70%) Citrix
7 66 (12.92%) Cisco
8 58 (11.35%) Veritas
9 57 (11.15%) IBM
10 41 (8.02%) F5
11 34 (6.65%) Sun
12 29 (5.68%) McAfee
13 27 (5.28%) Dell
14 25 (4.89%) 3PAR
14 25 (4.89%) SolarWinds
15 24 (4.70%) NetApp
16 15 (2.94%) EqualLogic
16 15 (2.94%) Ivanti
16 15 (2.94%) Juniper
17 14 (2.74%) Splunk