Period
to 21 May 2018

The table below looks at the prevalence of the term Clustering in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 21 May 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
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 407 372 293
Rank change year-on-year -35 -79 -28
Contract jobs citing Clustering 579 549 902
As % of all contract IT jobs advertised in the UK 0.58% 0.61% 0.85%
As % of the Miscellaneous category 1.70% 1.80% 2.54%
Number of daily rates quoted 382 362 561
UK median daily rate £413 £400 £380
Median daily rate % change year-on-year +3.13% +5.26% +1.33%
10th Percentile £263 £271 £273
90th Percentile £588 £550 £525
UK excluding London median daily rate £400 £365 £375
% change year-on-year +9.59% -2.67% +7.14%
Number of hourly rates quoted 16 2 15
UK median hourly rate £43.92 £42.50 £30.00
Median hourly rate % change year-on-year +3.33% +41.67% +31.41%
10th Percentile £30.13 £28.50 £19.68
90th Percentile £56.25 £56.50 £43.75
UK excluding London median hourly rate £46.25 £42.50 £30.00
% change year-on-year +8.82% +41.67% -20.27%

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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Contract vacancies with a requirement for generic IT skills 34,076 30,419 35,487
As % of all contract IT jobs advertised in the UK 33.85% 33.76% 33.61%
Number of daily rates quoted 22,307 19,736 23,151
UK median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.86% +2.94% +6.25%
10th Percentile £270 £263 £250
90th Percentile £650 £630 £625
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +6.67% +1.56%
Number of hourly rates quoted 1,066 1,085 1,185
UK median hourly rate £21.90 £20.00 £21.00
Median hourly rate % change year-on-year +9.50% -4.76% +17.55%
10th Percentile £11.68 £11.25 £11.50
90th Percentile £53.13 £50.00 £50.00
UK excluding London median hourly rate £21.21 £18.50 £21.00
% change year-on-year +14.62% -11.90% +20.00%

Clustering
Job Vacancy Trend

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

Job vacancy trend for Clustering in the UK

Clustering
Contractor Daily Rate Trend

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

Contractor daily rate trend for Clustering in the UK

Clustering
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Clustering over the 6 months to 21 May 2018.

Contractor daily rate histogram for Clustering in the UK

Clustering
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Clustering in the UK

Clustering
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Clustering over the 6 months to 21 May 2018.

Contractor hourly rate histogram for Clustering in the UK

Clustering
Top 15 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the UK over the 6 months to 21 May 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
England -47 505 £425 +6.25% 110
UK excluding London +3 377 £400 +9.59% 72
London -70 193 £475 +1.06% 50
South East +3 147 £475 +32.40% 14
North of England -47 68 £438 +18.24% 15
Scotland -9 58 £285 -16.18% 7
Midlands +2 48 £350 +8.95% 14
East of England -4 41 £370 -10.30% 8
North West -48 34 £438 +16.67% 9
East Midlands +6 29 £358 +24.35% 8
Yorkshire -7 24 £505 +34.67% 6
West Midlands -20 21 £250 -28.57% 6
North East +5 12 £592 +84.84%
South West +6 11 £250 -25.93% 9
Wales -3 7 £375 -18.92% 5

For the 6 months to 21 May 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 with a requirement for Clustering.

1 290 (50.09%) Windows
2 235 (40.59%) Microsoft
3 220 (38.00%) Active Directory
4 203 (35.06%) VMware
5 202 (34.89%) Linux
6 181 (31.26%) SQL Server
7 160 (27.63%) SQL
8 157 (27.12%) Windows Server
9 153 (26.42%) VMware Infrastructure
10 134 (23.14%) PowerShell
11 131 (22.63%) DNS
12 130 (22.45%) Hyper-V
13 129 (22.28%) Citrix
14 123 (21.24%) High Availability
15 119 (20.55%) Microsoft Clustering
16 114 (19.69%) DHCP
17 112 (19.34%) Oracle
18 111 (19.17%) Windows Server 2008
19 98 (16.93%) Security Cleared
20 97 (16.75%) VMware ESXi
21 96 (16.58%) Office 365
22 92 (15.89%) DevOps
23 91 (15.72%) Windows Server 2012
24 83 (14.34%) SAN
25 82 (14.16%) Windows Server 2003
26 81 (13.99%) ITIL
26 81 (13.99%) Git (software)
27 80 (13.82%) Microsoft Azure
27 80 (13.82%) HP
27 80 (13.82%) Veritas

Clustering
Co-occurring IT Skills 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 62 (10.71%) MS Exchange
2 48 (8.29%) IIS
3 41 (7.08%) SharePoint
3 41 (7.08%) Skype for Business
4 34 (5.87%) Exchange Server 2010
5 28 (4.84%) Oracle SOA Suite
6 25 (4.32%) Confluence
6 25 (4.32%) Oracle Service Bus
7 20 (3.45%) nginx
8 15 (2.59%) Elasticsearch
9 13 (2.25%) Apache
9 13 (2.25%) Exchange Server 2013
10 10 (1.73%) Tomcat
11 9 (1.55%) WebLogic
12 8 (1.38%) BizTalk Server
12 8 (1.38%) JBoss
13 7 (1.21%) Mule
14 6 (1.04%) Apache Spark
14 6 (1.04%) Office Communications Server
14 6 (1.04%) WebSphere
Applications
1 24 (4.15%) Microsoft Excel
2 14 (2.42%) Microsoft Office
3 3 (0.52%) MS Visio
Business Applications
1 25 (4.32%) Oracle Applications
1 25 (4.32%) Siebel CRM
2 21 (3.63%) Oracle Utilities
3 3 (0.52%) Oracle EBS
3 3 (0.52%) Oracle EBS R12
4 2 (0.35%) Dynamics AX
4 2 (0.35%) Remedy ITSM
5 1 (0.17%) Dynamics CRM
5 1 (0.17%) Markit EDM
5 1 (0.17%) Maximo
5 1 (0.17%) Oracle Payables
5 1 (0.17%) SAP Hybris
5 1 (0.17%) Teamcenter
Cloud Services
1 96 (16.58%) Office 365
2 80 (13.82%) Microsoft Azure
3 58 (10.02%) Amazon AWS
4 26 (4.49%) IaaS
5 24 (4.15%) OpenShift
6 17 (2.94%) Slack
7 16 (2.76%) PaaS
8 15 (2.59%) AWS CloudFormation
8 15 (2.59%) Azure Active Directory
9 11 (1.90%) SaaS
10 9 (1.55%) AWS Lambda
10 9 (1.55%) Serverless
11 7 (1.21%) Amazon S3
11 7 (1.21%) npm
12 6 (1.04%) Amazon EMR
12 6 (1.04%) Yammer
13 5 (0.86%) Cloud Computing
14 4 (0.69%) GitHub
15 3 (0.52%) Amazon EC2
15 3 (0.52%) Google Cloud Platform
Communications & Networking
1 131 (22.63%) DNS
2 114 (19.69%) DHCP
3 83 (14.34%) SAN
4 65 (11.23%) Firewall
5 43 (7.43%) WAN
6 39 (6.74%) LAN
7 38 (6.56%) TCP/IP
8 34 (5.87%) NAS
9 26 (4.49%) Skype
10 24 (4.15%) HTTP
10 24 (4.15%) NetScaler
11 20 (3.45%) iSCSI
12 18 (3.11%) Unified Communications
12 18 (3.11%) VLAN
13 15 (2.59%) Fibre Channel
14 12 (2.07%) Internet
15 10 (1.73%) Cisco IOS
15 10 (1.73%) Cisco ISE
15 10 (1.73%) Kerberos
16 9 (1.55%) SNMP
Database & Business Intelligence
1 181 (31.26%) SQL Server
2 79 (13.64%) Oracle Database
3 47 (8.12%) MySQL
4 45 (7.77%) Relational Database
5 34 (5.87%) MongoDB
5 34 (5.87%) SQL Server 2008
6 33 (5.70%) SQL Server 2016
6 33 (5.70%) SQL Server Integration Services
7 32 (5.53%) Oracle Database 11g
8 29 (5.01%) Oracle BI EE
8 29 (5.01%) SQL Server 2012
9 28 (4.84%) Oracle Database 12c
10 25 (4.32%) Oracle ODI
10 25 (4.32%) Oracle Reports
11 24 (4.15%) Big Data
12 22 (3.80%) SQL Server Reporting Services
13 20 (3.45%) RDBMS
14 17 (2.94%) SQL Server 2014
15 16 (2.76%) PostgreSQL
15 16 (2.76%) SQL Server 2005
Development Applications
1 81 (13.99%) Git (software)
2 79 (13.64%) Jenkins
3 29 (5.01%) HP UFT
3 29 (5.01%) WinRunner
4 28 (4.84%) Oracle Forms
5 27 (4.66%) JIRA
6 23 (3.97%) Team Foundation Server
6 23 (3.97%) Visual Studio
7 21 (3.63%) MSBuild
8 19 (3.28%) NUnit
9 18 (3.11%) SonarQube
10 13 (2.25%) SpecFlow
11 9 (1.55%) Maven
11 9 (1.55%) Visual Studio Team System
12 8 (1.38%) JUnit
12 8 (1.38%) TestDirector
13 7 (1.21%) Cobertura
13 7 (1.21%) Cucumber
13 7 (1.21%) Mocha
13 7 (1.21%) webpack
General
1 73 (12.61%) Finance
2 26 (4.49%) Banking
3 13 (2.25%) Legal
4 6 (1.04%) Retail
4 6 (1.04%) Telecoms
5 5 (0.86%) Financial Institution
5 5 (0.86%) Investment Banking
5 5 (0.86%) Manufacturing
6 4 (0.69%) Advertising
7 3 (0.52%) French Language
7 3 (0.52%) Local Government
7 3 (0.52%) Marketing
7 3 (0.52%) Publishing
8 2 (0.35%) Pharmaceutical
8 2 (0.35%) Retail Banking
9 1 (0.17%) Electronics
9 1 (0.17%) Spanish Language
Job Titles
1 99 (17.10%) DBA
2 64 (11.05%) Administrator
3 60 (10.36%) Developer
4 52 (8.98%) Infrastructure Engineer
5 40 (6.91%) Analyst
5 40 (6.91%) SQL DBA
6 37 (6.39%) Oracle DBA
7 36 (6.22%) DevOps Engineer
8 35 (6.04%) Linux Engineer
9 34 (5.87%) Architect
10 30 (5.18%) Support Engineer
11 25 (4.32%) Server Engineer
12 24 (4.15%) Linux DevOps Engineer
12 24 (4.15%) Linux/Unix DevOps
12 24 (4.15%) Systems Administrator
13 22 (3.80%) Systems Engineer
14 21 (3.63%) Windows Engineer
15 20 (3.45%) Consultant
15 20 (3.45%) Oracle Applications DBA
16 18 (3.11%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 46 (7.94%) JSON
1 46 (7.94%) Middleware
2 38 (6.56%) SOAP
3 33 (5.70%) .NET
4 30 (5.18%) Node.js
5 28 (4.84%) Oracle Fusion
6 26 (4.49%) CSS
6 26 (4.49%) HTML
7 25 (4.32%) CSS3
7 25 (4.32%) HTML5
8 24 (4.15%) REST
9 23 (3.97%) jQuery
10 22 (3.80%) JSTL
10 22 (3.80%) Vue (Vue.js)
10 22 (3.80%) Web Services
11 21 (3.63%) WCF
12 20 (3.45%) AngularJS
13 19 (3.28%) Twitter Bootstrap
14 18 (3.11%) LDAP
15 17 (2.94%) WPF
Miscellaneous
1 80 (13.82%) Replication
2 75 (12.95%) Data Centre
3 52 (8.98%) Analytical Skills
4 33 (5.70%) PKI
5 28 (4.84%) Fat Client
5 28 (4.84%) Thin Client
6 27 (4.66%) PDA
7 17 (2.94%) Public Cloud
8 14 (2.42%) Computer Science
8 14 (2.42%) Device Driver
9 8 (1.38%) Self-Motivation
10 7 (1.21%) CLARiiON
10 7 (1.21%) HACMP
11 6 (1.04%) LPAR
12 5 (0.86%) Algorithms
12 5 (0.86%) Driving Licence
12 5 (0.86%) Enterprise Software
13 4 (0.69%) Greenfield Project
13 4 (0.69%) Management Information System
14 3 (0.52%) Blackberry
Operating Systems
1 290 (50.09%) Windows
2 202 (34.89%) Linux
3 157 (27.12%) Windows Server
4 111 (19.17%) Windows Server 2008
5 91 (15.72%) Windows Server 2012
6 82 (14.16%) Windows Server 2003
7 79 (13.64%) AIX
8 76 (13.13%) Red Hat Enterprise Linux
9 70 (12.09%) Unix
10 44 (7.60%) Solaris
11 42 (7.25%) Windows 7
12 24 (4.15%) CentOS
13 20 (3.45%) Ubuntu
14 15 (2.59%) Windows XP
15 12 (2.07%) Windows 10
16 10 (1.73%) Android
16 10 (1.73%) Apple iOS
17 8 (1.38%) HPUX
18 7 (1.21%) Windows Vista
19 5 (0.86%) Windows 2000
Processes & Methodologies
1 123 (21.24%) High Availability
2 92 (15.89%) DevOps
3 81 (13.99%) ITIL
4 74 (12.78%) Continuous Integration
5 72 (12.44%) Disaster Recovery
6 68 (11.74%) Load Balancing
7 67 (11.57%) Agile Software Development
8 60 (10.36%) Change Management
9 57 (9.84%) Migration
10 54 (9.33%) Test Automation
11 53 (9.15%) Configuration Management
11 53 (9.15%) Problem-Solving
12 50 (8.64%) Scrum
13 40 (6.91%) Multithreading
14 38 (6.56%) Root Cause Analysis
15 36 (6.22%) User Stories
16 35 (6.04%) Capacity Planning
17 34 (5.87%) Continuous Delivery
17 34 (5.87%) Performance Tuning
18 32 (5.53%) BDD
Programming Languages
1 160 (27.63%) SQL
2 134 (23.14%) PowerShell
3 73 (12.61%) Python
4 64 (11.05%) Bash Shell
5 59 (10.19%) Java
6 34 (5.87%) Perl
7 27 (4.66%) C#
8 25 (4.32%) WebLogic Scripting Tool
9 19 (3.28%) VBScript
10 18 (3.11%) TypeScript
11 17 (2.94%) T-SQL
11 17 (2.94%) XAML
12 14 (2.42%) Go
12 14 (2.42%) JavaScript
13 11 (1.90%) PHP
13 11 (1.90%) Shell Script
14 10 (1.73%) VB
15 9 (1.55%) Ruby
16 8 (1.38%) PL/SQL
16 8 (1.38%) VBA
Qualifications
1 98 (16.93%) Security Cleared
2 77 (13.30%) SC Cleared
3 44 (7.60%) Microsoft Certification
4 41 (7.08%) Degree
5 30 (5.18%) MCSE
6 27 (4.66%) ISTQB
7 21 (3.63%) DV Cleared
8 20 (3.45%) Numerate Degree
9 18 (3.11%) Cisco Certification
10 16 (2.76%) MCSA
11 14 (2.42%) MCITP
12 13 (2.25%) VMware Certified Professional (VCP)
13 11 (1.90%) RHCE
14 9 (1.55%) Citrix Certification
14 9 (1.55%) MCTS
15 8 (1.38%) CCNA
15 8 (1.38%) MySQL Certification
16 6 (1.04%) CCA
16 6 (1.04%) ITIL Certification
16 6 (1.04%) Novell Certification
Quality Assurance & Compliance
1 21 (3.63%) SLA
2 11 (1.90%) QA
2 11 (1.90%) Sarbanes-Oxley
3 9 (1.55%) ISO/IEC 27001
4 2 (0.35%) Data Quality
4 2 (0.35%) Disclosure Scotland
4 2 (0.35%) ISO/IEC 20000
4 2 (0.35%) PCI DSS
5 1 (0.17%) GCP
5 1 (0.17%) GDPR
5 1 (0.17%) PMO
5 1 (0.17%) SAS 70
System Software
1 220 (38.00%) Active Directory
2 153 (26.42%) VMware Infrastructure
3 130 (22.45%) Hyper-V
4 97 (16.75%) VMware ESXi
5 48 (8.29%) Docker
6 43 (7.43%) vSphere
7 38 (6.56%) XenApp
8 25 (4.32%) Virtual Desktop
8 25 (4.32%) Virtual Machines
9 23 (3.97%) DFS Replication
10 22 (3.80%) Microsoft App-V
11 18 (3.11%) Veritas Cluster Server
12 16 (2.76%) XenDesktop
13 11 (1.90%) XenServer
14 9 (1.55%) Terminal Services
14 9 (1.55%) Xen
15 8 (1.38%) Oracle RAC
16 7 (1.21%) NFS
17 6 (1.04%) PowerHA
18 5 (0.86%) Apache ZooKeeper
Systems Management
1 119 (20.55%) Microsoft Clustering
2 78 (13.47%) SCCM
3 69 (11.92%) Ansible
4 52 (8.98%) Puppet
5 50 (8.64%) SCOM
6 43 (7.43%) Failover Clustering
7 39 (6.74%) McAfee ePO
8 29 (5.01%) Galera Cluster
9 26 (4.49%) Opscode Chef
10 25 (4.32%) vCenter Server
11 22 (3.80%) HP ALM
12 21 (3.63%) Terraform
13 20 (3.45%) NetBackup
14 18 (3.11%) Nagios
14 18 (3.11%) WSUS
15 16 (2.76%) Kubernetes
16 15 (2.59%) Netcool
17 14 (2.42%) Grafana
17 14 (2.42%) Icinga
17 14 (2.42%) Prometheus
Vendors
1 235 (40.59%) Microsoft
2 203 (35.06%) VMware
3 129 (22.28%) Citrix
4 112 (19.34%) Oracle
5 80 (13.82%) HP
5 80 (13.82%) Veritas
6 76 (13.13%) Red Hat
7 58 (10.02%) McAfee
8 53 (9.15%) IBM
9 51 (8.81%) Cisco
10 38 (6.56%) Ivanti
11 35 (6.04%) Dell
12 33 (5.70%) EMC
13 26 (4.49%) NetApp
13 26 (4.49%) Siebel
14 25 (4.32%) Symantec
15 23 (3.97%) 3PAR
15 23 (3.97%) SolarWinds
16 21 (3.63%) CommVault
17 16 (2.76%) Remedy