Period
to 24 November 2017

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 24 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
UK
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 420 303 306
Rank change year-on-year -117 +3 -44
Contract jobs citing Clustering 563 878 896
As % of all contract IT jobs advertised in the UK 0.55% 0.84% 0.78%
As % of the Miscellaneous category 1.62% 2.53% 2.40%
Number of daily rates quoted 388 611 493
UK median daily rate £410 £375 £400
Median daily rate % change year-on-year +9.33% -6.25% -
10th Percentile £300 £263 £271
90th Percentile £575 £550 £520
UK excluding London median daily rate £400 £340 £363
% change year-on-year +17.65% -6.21% +2.84%
Number of hourly rates quoted 10 22 17
UK median hourly rate £31.00 £28.00 £38.00
Median hourly rate % change year-on-year +10.71% -26.32% +38.18%
10th Percentile £20.78 £19.05 £23.45
90th Percentile £34.25 £41.83 £53.65
UK excluding London median hourly rate £32.00 £28.00 £33.50
% change year-on-year +14.29% -16.42% +21.82%

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 34732 34740 37265
As % of all contract IT jobs advertised in the UK 33.70% 33.09% 32.54%
Number of daily rates quoted 23048 22773 23696
UK median daily rate £450 £425 £420
Median daily rate % change year-on-year +5.88% +1.19% +5.00%
10th Percentile £263 £250 £240
90th Percentile £650 £625 £615
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00% +7.14%
Number of hourly rates quoted 1020 1200 1471
UK median hourly rate £20.63 £20.50 £19.50
Median hourly rate % change year-on-year +0.62% +5.13% +8.33%
10th Percentile £11.25 £11.72 £11.25
90th Percentile £48.75 £47.50 £47.25
UK excluding London median hourly rate £20.00 £21.00 £19.00
% change year-on-year -4.76% +10.53% +8.57%

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 24 November 2017.

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 24 November 2017.

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 24 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
England -103 529 £410 +2.50% 46
UK excluding London -73 359 £400 +17.65% 29
London -77 194 £450 +2.86% 19
North of England -8 137 £450 +36.36% 6
South East -30 90 £381 +1.67% 4
Midlands +57 61 £340 - 9
North West +10 60 £535 +33.75% 5
East Midlands +39 53 £350 -6.67% 6
North East +3 50 £445 +41.27%
Yorkshire +39 41 £535 +25.88% 1
East of England -15 25 £370 +5.71% 6
South West -32 21 £400 +14.29% 2
Scotland -60 19 £350 +21.74% 2
West Midlands +5 7 £225 -33.75% 2
Wales +2 7 £349 -19.19%

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

1 247 (43.87%) Linux
2 227 (40.32%) Windows
3 176 (31.26%) SQL Server
4 172 (30.55%) VMware
5 157 (27.89%) High Availability
6 148 (26.29%) Oracle
6 148 (26.29%) SQL
7 140 (24.87%) Microsoft
8 139 (24.69%) Active Directory
9 124 (22.02%) Firewall
10 123 (21.85%) Windows Server
11 116 (20.60%) Red Hat
12 114 (20.25%) Unix
13 112 (19.89%) Bash Shell
14 108 (19.18%) Load Balancing
15 107 (19.01%) Hyper-V
16 106 (18.83%) VMware Infrastructure
17 104 (18.47%) ITIL
18 102 (18.12%) Security Cleared
18 102 (18.12%) Data Centre
19 101 (17.94%) Cisco
19 101 (17.94%) SAN
20 99 (17.58%) Solaris
21 98 (17.41%) Replication
22 97 (17.23%) Red Hat Enterprise Linux
23 96 (17.05%) HP
24 91 (16.16%) Migration
25 90 (15.99%) TCP/IP
25 90 (15.99%) Python
26 83 (14.74%) PowerShell

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 79 (14.03%) Apache
2 64 (11.37%) Tomcat
3 55 (9.77%) SharePoint
4 49 (8.70%) JBoss
5 46 (8.17%) WebLogic
6 45 (7.99%) MS Exchange
7 44 (7.82%) iPlanet
7 44 (7.82%) Oracle Application Server
8 35 (6.22%) Confluence
9 30 (5.33%) Skype for Business
10 29 (5.15%) nginx
11 24 (4.26%) IIS
12 20 (3.55%) Elasticsearch
13 17 (3.02%) BizTalk Server
14 15 (2.66%) WebSphere
15 14 (2.49%) Exchange Server 2010
15 14 (2.49%) MQSeries
16 13 (2.31%) Exchange Server 2013
17 12 (2.13%) OpenStack
17 12 (2.13%) WebLogic Portal
Applications
1 20 (3.55%) Microsoft Office
2 12 (2.13%) Microsoft Project
3 6 (1.07%) MS Visio
4 4 (0.71%) Microsoft Excel
Business Applications
1 24 (4.26%) Oracle Procure-to-Pay
2 3 (0.53%) SAP ERP
2 3 (0.53%) SAP SRM
3 2 (0.36%) Oracle EBS
3 2 (0.36%) SAP Oil and Gas
3 2 (0.36%) Teamcenter
4 1 (0.18%) Dynamics AX
4 1 (0.18%) Oracle Retail
Cloud Services
1 56 (9.95%) Amazon AWS
2 36 (6.39%) Microsoft Azure
2 36 (6.39%) Office 365
3 28 (4.97%) Slack
4 14 (2.49%) AWS CloudFormation
5 8 (1.42%) PaaS
6 7 (1.24%) IaaS
7 6 (1.07%) Cloud Computing
8 5 (0.89%) GitHub
9 4 (0.71%) OpenShift
10 3 (0.53%) Amazon EC2
11 2 (0.36%) Amazon S3
11 2 (0.36%) Azure Active Directory
11 2 (0.36%) Google Cloud Platform
12 1 (0.18%) Amazon EMR
12 1 (0.18%) Amazon SQS
12 1 (0.18%) Data Lake Analytics
12 1 (0.18%) Google Drive
12 1 (0.18%) iTunes
12 1 (0.18%) SaaS
Communications & Networking
1 124 (22.02%) Firewall
2 101 (17.94%) SAN
3 90 (15.99%) TCP/IP
4 80 (14.21%) DNS
5 59 (10.48%) DHCP
6 50 (8.88%) NAS
7 46 (8.17%) WAN
8 36 (6.39%) LAN
9 31 (5.51%) HTTP
9 31 (5.51%) LDAP
10 28 (4.97%) VoIP
11 27 (4.80%) SSL
12 21 (3.73%) iSCSI
13 17 (3.02%) BIG-IP
13 17 (3.02%) F5 BIG-IP LTM
14 15 (2.66%) Unified Communications
15 12 (2.13%) SSH
15 12 (2.13%) VLAN
16 11 (1.95%) FCoE
16 11 (1.95%) Kerberos
Database & Business Intelligence
1 176 (31.26%) SQL Server
2 60 (10.66%) MySQL
3 48 (8.53%) SQL Server 2008
4 39 (6.93%) SQL Server Integration Services
5 38 (6.75%) Oracle Database
6 35 (6.22%) SQL Server 2012
7 34 (6.04%) Relational Database
8 33 (5.86%) SQL Server 2016
9 31 (5.51%) MongoDB
10 30 (5.33%) SQL Server 2005
11 29 (5.15%) SQL Server Reporting Services
12 28 (4.97%) DB2
13 27 (4.80%) RDBMS
14 26 (4.62%) PostgreSQL
15 18 (3.20%) Apache Cassandra
15 18 (3.20%) SQL Server Analysis Services
16 17 (3.02%) SQL Server 2014
17 13 (2.31%) Oracle Reports
18 12 (2.13%) Data Warehouse
19 10 (1.78%) Hadoop
Development Applications
1 53 (9.41%) Jenkins
2 51 (9.06%) Git (software)
3 32 (5.68%) JIRA
4 28 (4.97%) SonarQube
5 13 (2.31%) Maven
6 11 (1.95%) Team Foundation Server
7 6 (1.07%) Visual Studio
8 5 (0.89%) Ant
8 5 (0.89%) JUnit
9 4 (0.71%) Cucumber
9 4 (0.71%) JMeter
9 4 (0.71%) SQL Server Management Studio (SSMS)
9 4 (0.71%) Subversion
10 3 (0.53%) Artifactory
10 3 (0.53%) Bitbucket
11 2 (0.36%) Introscope
11 2 (0.36%) MSBuild
11 2 (0.36%) NUnit
11 2 (0.36%) Sonatype Nexus
11 2 (0.36%) SpecFlow
General
1 73 (12.97%) Finance
2 48 (8.53%) Banking
3 11 (1.95%) Retail
4 10 (1.78%) Automotive
5 9 (1.60%) Legal
5 9 (1.60%) Telecoms
6 8 (1.42%) Financial Institution
6 8 (1.42%) Investment Banking
7 6 (1.07%) Law
7 6 (1.07%) Manufacturing
8 5 (0.89%) Local Government
8 5 (0.89%) Publishing
9 4 (0.71%) Front Office
9 4 (0.71%) Marketing
10 3 (0.53%) Back Office
10 3 (0.53%) French Language
11 2 (0.36%) Digital Economy
11 2 (0.36%) Electronics
11 2 (0.36%) Retail Banking
12 1 (0.18%) Spanish Language
Job Titles
1 121 (21.49%) DBA
2 93 (16.52%) Administrator
3 57 (10.12%) SQL DBA
4 50 (8.88%) Linux Engineer
5 49 (8.70%) DevOps Engineer
6 45 (7.99%) Architect
7 40 (7.10%) Systems Administrator
8 35 (6.22%) Linux DevOps Engineer
8 35 (6.22%) Linux/Unix DevOps
9 33 (5.86%) MySQL DBA
10 32 (5.68%) Developer
10 32 (5.68%) Unix Engineer
11 30 (5.33%) Support Engineer
12 28 (4.97%) Consultant
13 24 (4.26%) Senior DevOps
13 24 (4.26%) Senior DevOps Engineer
14 23 (4.09%) Infrastructure Engineer
14 23 (4.09%) Solaris Engineer
14 23 (4.09%) Windows Engineer
15 22 (3.91%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 46 (8.17%) J2EE
2 19 (3.37%) HTML
3 17 (3.02%) Web Services
4 15 (2.66%) .NET
4 15 (2.66%) LAPP Stack
4 15 (2.66%) Middleware
5 14 (2.49%) XML
6 10 (1.78%) Spring
7 8 (1.42%) ActiveMQ
7 8 (1.42%) Ajax
7 8 (1.42%) Akka
7 8 (1.42%) SOAP
7 8 (1.42%) XMPP
8 7 (1.24%) AngularJS
8 7 (1.24%) ASP.NET
8 7 (1.24%) jQuery
8 7 (1.24%) JSF
8 7 (1.24%) LEMP Stack
8 7 (1.24%) WebSphere MQ
9 6 (1.07%) CSS
Miscellaneous
1 102 (18.12%) Data Centre
2 98 (17.41%) Replication
3 28 (4.97%) Analytical Skills
4 18 (3.20%) Computer Science
5 15 (2.66%) Public Cloud
6 13 (2.31%) HACMP
7 11 (1.95%) Derivative
7 11 (1.95%) Enterprise Software
8 9 (1.60%) Fintech
9 7 (1.24%) Grid Computing
9 7 (1.24%) iSeries
9 7 (1.24%) Management Information System
9 7 (1.24%) N-Tier
10 6 (1.07%) Client/Server
10 6 (1.07%) Device Driver
11 5 (0.89%) PKI
12 4 (0.71%) Video Conferencing
13 3 (0.53%) Algorithms
13 3 (0.53%) Fat Client
13 3 (0.53%) Private Cloud
Operating Systems
1 247 (43.87%) Linux
2 227 (40.32%) Windows
3 123 (21.85%) Windows Server
4 114 (20.25%) Unix
5 99 (17.58%) Solaris
6 97 (17.23%) Red Hat Enterprise Linux
7 75 (13.32%) AIX
8 74 (13.14%) Windows Server 2012
9 52 (9.24%) Windows Server 2003
10 50 (8.88%) HPUX
10 50 (8.88%) Windows Server 2008
11 42 (7.46%) SUSE
12 30 (5.33%) CentOS
13 16 (2.84%) Windows XP
14 9 (1.60%) Ubuntu
15 7 (1.24%) Windows 10
15 7 (1.24%) Windows Vista
16 6 (1.07%) Windows 7
17 4 (0.71%) zOS
18 3 (0.53%) Windows 2000
Processes & Methodologies
1 157 (27.89%) High Availability
2 108 (19.18%) Load Balancing
3 104 (18.47%) ITIL
4 91 (16.16%) Migration
5 79 (14.03%) DevOps
6 71 (12.61%) Agile Software Development
7 62 (11.01%) Disaster Recovery
8 60 (10.66%) Configuration Management
9 56 (9.95%) Mentoring
10 50 (8.88%) Performance Tuning
11 49 (8.70%) Continuous Integration
12 43 (7.64%) Microservices
13 37 (6.57%) Change Management
14 36 (6.39%) Coaching
15 29 (5.15%) Open Source
15 29 (5.15%) Project Management
16 28 (4.97%) Continuous Delivery
16 28 (4.97%) Static Code Analysis
17 25 (4.44%) PRINCE2
17 25 (4.44%) Root Cause Analysis
Programming Languages
1 148 (26.29%) SQL
2 112 (19.89%) Bash Shell
3 90 (15.99%) Python
4 83 (14.74%) PowerShell
5 63 (11.19%) Java
6 58 (10.30%) Perl
7 47 (8.35%) Shell Script
8 35 (6.22%) T-SQL
9 19 (3.37%) Korn
10 17 (3.02%) C#
11 16 (2.84%) VBScript
12 15 (2.66%) C-shell
13 11 (1.95%) JavaScript
14 10 (1.78%) R
15 9 (1.60%) PL/SQL
16 8 (1.42%) PHP
17 6 (1.07%) Go
18 3 (0.53%) C++
18 3 (0.53%) VB.NET
18 3 (0.53%) VBA
Qualifications
1 102 (18.12%) Security Cleared
2 74 (13.14%) SC Cleared
3 43 (7.64%) Microsoft Certification
4 36 (6.39%) MCSE
5 33 (5.86%) Cisco Certification
6 29 (5.15%) DV Cleared
7 28 (4.97%) Degree
8 22 (3.91%) VMware Certified Professional (VCP)
9 16 (2.84%) CCIE
9 16 (2.84%) CCNA
10 13 (2.31%) RHCE
11 10 (1.78%) Computer Science Degree
11 10 (1.78%) MCITP
12 9 (1.60%) BPSS Clearance
12 9 (1.60%) CCNP
12 9 (1.60%) MCSA
12 9 (1.60%) MySQL Certification
13 7 (1.24%) CCNP Voice
13 7 (1.24%) CCVP
13 7 (1.24%) VCAP
Quality Assurance & Compliance
1 15 (2.66%) SLA
2 9 (1.60%) QA
3 8 (1.42%) ISO/IEC 27001
4 7 (1.24%) AS 2805
4 7 (1.24%) ISO 8583
4 7 (1.24%) PCI DSS
5 3 (0.53%) Disclosure Scotland
5 3 (0.53%) PSD2
6 1 (0.18%) GDPR
6 1 (0.18%) ISO/IEC 20000
6 1 (0.18%) PMO
System Software
1 139 (24.69%) Active Directory
2 107 (19.01%) Hyper-V
3 106 (18.83%) VMware Infrastructure
4 43 (7.64%) Docker
5 42 (7.46%) VMware ESXi
6 27 (4.80%) Samba
7 26 (4.62%) Veritas Volume Manager
8 24 (4.26%) Oracle RAC
9 22 (3.91%) KVM
10 19 (3.37%) XenApp
11 17 (3.02%) Virtual Machines
12 16 (2.84%) vSphere
13 12 (2.13%) Xen
13 12 (2.13%) XenDesktop
14 10 (1.78%) Terminal Services
15 9 (1.60%) GPFS
16 8 (1.42%) PowerHA
17 4 (0.71%) Veritas Cluster Server
18 3 (0.53%) Gluster
18 3 (0.53%) Veritas File System
Systems Management
1 75 (13.32%) Microsoft Clustering
2 44 (7.82%) SCOM
3 43 (7.64%) Puppet
4 42 (7.46%) SCCM
5 37 (6.57%) Opscode Chef
6 34 (6.04%) NetBackup
7 31 (5.51%) Ansible
8 21 (3.73%) Failover Clustering
8 21 (3.73%) Galera Cluster
9 20 (3.55%) OpenView Configuration Management
10 16 (2.84%) Kubernetes
10 16 (2.84%) Netcool
11 15 (2.66%) Data Guard
11 15 (2.66%) Terraform
12 13 (2.31%) Backup Exec
12 13 (2.31%) OpenView
13 11 (1.95%) WMI
14 10 (1.78%) McAfee ePO
14 10 (1.78%) Nagios
14 10 (1.78%) WSUS
Vendors
1 172 (30.55%) VMware
2 148 (26.29%) Oracle
3 140 (24.87%) Microsoft
4 116 (20.60%) Red Hat
5 101 (17.94%) Cisco
6 96 (17.05%) HP
7 72 (12.79%) Veritas
8 62 (11.01%) Citrix
9 60 (10.66%) F5
10 58 (10.30%) Sun
11 41 (7.28%) IBM
12 30 (5.33%) McAfee
13 24 (4.26%) PlateSpin
14 23 (4.09%) NetApp
15 21 (3.73%) SolarWinds
16 19 (3.37%) Dell
17 17 (3.02%) Symantec
18 16 (2.84%) Splunk
19 15 (2.66%) Percona
20 14 (2.49%) 3PAR