Period
to 23 August 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 23 August 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
23 Aug 2017
Same period 2016 Same period 2015
Rank 388 274 283
Rank change year-on-year -114 +9 +9
Contract jobs citing Clustering 552 1029 928
As % of all contract IT jobs advertised in the UK 0.57% 0.95% 0.82%
As % of the Miscellaneous category 1.72% 2.87% 2.58%
Number of daily rates quoted 388 680 571
UK median daily rate £400 £380 £375
Median daily rate % change year-on-year +5.26% +1.33% -6.25%
10th Percentile £263 £262 £225
90th Percentile £565 £525 £498
UK excluding London median daily rate £375 £370 £350
% change year-on-year +1.35% +5.71% +0.72%
Number of hourly rates quoted 3 26 22
UK median hourly rate £32.50 £28.00 £27.75
Median hourly rate % change year-on-year +16.07% +0.90% -11.90%
10th Percentile £16.10 £18.81 £22.37
90th Percentile £46.50 £41.25 £45.25
UK excluding London median hourly rate £28.50 £28.00 £35.00
% change year-on-year +1.79% -20.00% +11.11%

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 32054 35863 35952
As % of all contract IT jobs advertised in the UK 33.37% 33.17% 31.93%
Number of daily rates quoted 20921 23502 22461
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £265 £254 £238
90th Percentile £644 £625 £613
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 979 1198 1402
UK median hourly rate £21.40 £21.00 £19.00
Median hourly rate % change year-on-year +1.90% +10.53% -5.00%
10th Percentile £11.25 £11.39 £11.17
90th Percentile £50.00 £47.27 £47.50
UK excluding London median hourly rate £20.25 £21.00 £18.50
% change year-on-year -3.57% +13.51% -7.50%

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 23 August 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 23 August 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 23 August 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 -104 519 £400 - 83
UK excluding London -95 359 £375 +1.35% 53
London -85 183 £450 +7.14% 32
North of England -15 139 £390 +14.71% 9
South East -43 100 £375 -10.18% 18
North West +7 75 £500 +25.00% 1
Midlands +31 56 £350 -5.41% 18
North East +11 48 £344 +16.61% 2
East Midlands 0 34 £338 -12.90% 10
Yorkshire +14 25 £535 +33.75% 6
Scotland -58 24 £345 +15.00% 1
West Midlands +37 20 £350 +2.94% 8
East of England -37 20 £425 +9.68% 3
South West -18 19 £410 +10.81% 3
Wales -5 2 £463 +46.83% 1

For the 6 months to 23 August 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.

1 232 (42.03%) Linux
2 209 (37.86%) Windows
3 187 (33.88%) SQL Server
4 167 (30.25%) SQL
5 157 (28.44%) VMware
6 148 (26.81%) High Availability
7 144 (26.09%) Active Directory
8 139 (25.18%) Microsoft
8 139 (25.18%) Unix
9 129 (23.37%) Oracle
10 111 (20.11%) Firewall
10 111 (20.11%) SAN
10 111 (20.11%) Red Hat
11 109 (19.75%) Windows Server
12 105 (19.02%) VMware Infrastructure
13 102 (18.48%) Security Cleared
14 97 (17.57%) Cisco
15 96 (17.39%) Solaris
16 92 (16.67%) ITIL
17 89 (16.12%) Veritas
18 87 (15.76%) Finance
19 86 (15.58%) Hyper-V
20 85 (15.40%) Apache
21 84 (15.22%) TCP/IP
21 84 (15.22%) Replication
22 79 (14.31%) Load Balancing
22 79 (14.31%) Red Hat Enterprise Linux
22 79 (14.31%) Microsoft Clustering
23 77 (13.95%) Windows Server 2008
24 76 (13.77%) Python

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 85 (15.40%) Apache
2 58 (10.51%) Tomcat
3 57 (10.33%) JBoss
4 53 (9.60%) WebLogic
5 50 (9.06%) MS Exchange
6 43 (7.79%) iPlanet
6 43 (7.79%) Oracle Application Server
7 38 (6.88%) SharePoint
8 37 (6.70%) IIS
9 27 (4.89%) Skype for Business
10 18 (3.26%) Confluence
10 18 (3.26%) Exchange Server 2010
11 16 (2.90%) Exchange Server 2013
11 16 (2.90%) nginx
12 13 (2.36%) WebSphere
13 12 (2.17%) BizTalk Server
14 11 (1.99%) Exchange Server 2003
14 11 (1.99%) OpenStack
14 11 (1.99%) WebSphere Application Server
15 10 (1.81%) MQSeries
Applications
1 25 (4.53%) Microsoft Office
2 10 (1.81%) Microsoft Project
3 2 (0.36%) MS Visio
3 2 (0.36%) SPSS
4 1 (0.18%) Microsoft Excel
Business Applications
1 22 (3.99%) Oracle Procure-to-Pay
2 4 (0.72%) Oracle EBS
3 3 (0.54%) Oracle EBS R12
3 3 (0.54%) SAP ERP
3 3 (0.54%) SAP SRM
4 2 (0.36%) Dynamics AX
4 2 (0.36%) Oracle Applications
4 2 (0.36%) SAP Oil and Gas
4 2 (0.36%) Teamcenter
5 1 (0.18%) Oracle Retail
5 1 (0.18%) Payment Gateway
Cloud Services
1 43 (7.79%) Amazon AWS
2 37 (6.70%) Microsoft Azure
3 34 (6.16%) Office 365
4 13 (2.36%) Slack
5 8 (1.45%) GitHub
6 7 (1.27%) IaaS
6 7 (1.27%) PaaS
7 6 (1.09%) Cloud Computing
8 3 (0.54%) AWS CloudFormation
8 3 (0.54%) Google Cloud Platform
8 3 (0.54%) Mimecast
9 2 (0.36%) Amazon EC2
9 2 (0.36%) OpenShift
9 2 (0.36%) SaaS
10 1 (0.18%) Amazon CloudWatch
10 1 (0.18%) Amazon S3
10 1 (0.18%) Azure Data Factory
10 1 (0.18%) iTunes
10 1 (0.18%) Route 53
10 1 (0.18%) Virtual Private Cloud
Communications & Networking
1 111 (20.11%) Firewall
1 111 (20.11%) SAN
2 84 (15.22%) TCP/IP
3 63 (11.41%) DNS
4 52 (9.42%) NAS
5 45 (8.15%) DHCP
6 36 (6.52%) LDAP
6 36 (6.52%) WAN
7 27 (4.89%) LAN
8 24 (4.35%) SSL
9 22 (3.99%) HTTP
10 18 (3.26%) Network Security
11 16 (2.90%) Cisco ASA
11 16 (2.90%) Wireless
12 15 (2.72%) iSCSI
13 14 (2.54%) NetScaler
14 13 (2.36%) BGP
14 13 (2.36%) IPsec
15 12 (2.17%) Cisco IOS
15 12 (2.17%) Reverse Proxy
Database & Business Intelligence
1 187 (33.88%) SQL Server
2 65 (11.78%) MySQL
3 59 (10.69%) SQL Server 2008
3 59 (10.69%) SQL Server 2012
4 49 (8.88%) SQL Server Integration Services
5 43 (7.79%) SQL Server Reporting Services
6 37 (6.70%) SQL Server 2005
7 33 (5.98%) SQL Server 2016
8 32 (5.80%) DB2
9 31 (5.62%) SQL Server Analysis Services
10 29 (5.25%) SQL Server 2014
11 26 (4.71%) Oracle Database
11 26 (4.71%) Relational Database
12 22 (3.99%) PostgreSQL
13 21 (3.80%) MongoDB
13 21 (3.80%) RDBMS
14 20 (3.62%) Apache Cassandra
15 14 (2.54%) Oracle Reports
16 13 (2.36%) Big Data
16 13 (2.36%) Hadoop
Development Applications
1 32 (5.80%) Jenkins
2 24 (4.35%) Git (software)
3 17 (3.08%) Team Foundation Server
4 16 (2.90%) JIRA
5 13 (2.36%) SonarQube
6 8 (1.45%) Subversion
7 7 (1.27%) Eclipse
8 6 (1.09%) SQL Server Management Studio (SSMS)
9 5 (0.91%) Hudson
9 5 (0.91%) Visual Studio
10 4 (0.72%) Bitbucket
11 3 (0.54%) StarTeam
12 2 (0.36%) AccuRev
12 2 (0.36%) Ant
12 2 (0.36%) Atlassian Bamboo
12 2 (0.36%) JUnit
12 2 (0.36%) Maven
12 2 (0.36%) Selenium
12 2 (0.36%) SoapUI
12 2 (0.36%) TeamCity
General
1 87 (15.76%) Finance
2 53 (9.60%) Banking
3 13 (2.36%) Financial Institution
3 13 (2.36%) Investment Banking
4 10 (1.81%) Local Government
4 10 (1.81%) Telecoms
5 9 (1.63%) Automotive
5 9 (1.63%) Legal
5 9 (1.63%) Marketing
6 8 (1.45%) Manufacturing
7 7 (1.27%) Law
7 7 (1.27%) Retail
8 3 (0.54%) Advertising
8 3 (0.54%) Publishing
9 2 (0.36%) Digital Economy
10 1 (0.18%) French Language
10 1 (0.18%) Games
10 1 (0.18%) Military
Job Titles
1 149 (26.99%) DBA
2 106 (19.20%) Administrator
3 77 (13.95%) SQL DBA
4 41 (7.43%) MySQL DBA
5 38 (6.88%) Architect
6 37 (6.70%) Consultant
7 36 (6.52%) SQL Server DBA
8 33 (5.98%) Linux Administrator
9 31 (5.62%) Unix Engineer
10 30 (5.43%) Systems Administrator
11 29 (5.25%) Linux Engineer
12 28 (5.07%) Support Engineer
13 27 (4.89%) Analyst
14 24 (4.35%) DevOps Engineer
15 22 (3.99%) Unix Administrator
16 20 (3.62%) Technical Architect
17 19 (3.44%) Systems Engineer
18 18 (3.26%) Developer
18 18 (3.26%) Oracle DBA
19 16 (2.90%) Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 46 (8.33%) J2EE
2 20 (3.62%) Middleware
3 13 (2.36%) .NET
4 12 (2.17%) LAPP Stack
5 10 (1.81%) LEMP Stack
6 9 (1.63%) 802.1X
7 8 (1.45%) HTML
7 8 (1.45%) Oracle GoldenGate
7 8 (1.45%) Spring
7 8 (1.45%) XML
7 8 (1.45%) XMPP
8 7 (1.27%) SOAP
8 7 (1.27%) Web Services
8 7 (1.27%) WebSphere MQ
9 5 (0.91%) Ajax
9 5 (0.91%) ASP.NET
9 5 (0.91%) Hibernate
9 5 (0.91%) jQuery
9 5 (0.91%) LAMP
9 5 (0.91%) WAP
Miscellaneous
1 84 (15.22%) Replication
2 75 (13.59%) Data Centre
3 16 (2.90%) Analytical Skills
4 12 (2.17%) Management Information System
5 11 (1.99%) Enterprise Software
6 10 (1.81%) Blackberry
6 10 (1.81%) Fat Client
6 10 (1.81%) Mainframe
6 10 (1.81%) Thin Client
7 9 (1.63%) Computer Science
8 8 (1.45%) Enterprise Storage
8 8 (1.45%) Private Cloud
9 7 (1.27%) Grid Computing
10 6 (1.09%) Derivative
10 6 (1.09%) Tandem
11 5 (0.91%) HACMP
12 4 (0.72%) CESG
12 4 (0.72%) Client/Server
12 4 (0.72%) N-Tier
12 4 (0.72%) PKI
Operating Systems
1 232 (42.03%) Linux
2 209 (37.86%) Windows
3 139 (25.18%) Unix
4 109 (19.75%) Windows Server
5 96 (17.39%) Solaris
6 79 (14.31%) Red Hat Enterprise Linux
7 77 (13.95%) Windows Server 2008
8 73 (13.22%) Windows Server 2012
9 69 (12.50%) AIX
10 57 (10.33%) Windows Server 2003
11 46 (8.33%) HPUX
12 41 (7.43%) SUSE
13 20 (3.62%) CentOS
14 17 (3.08%) Windows XP
15 13 (2.36%) zOS
16 11 (1.99%) Windows 7
17 10 (1.81%) Windows Vista
18 5 (0.91%) Data ONTAP
18 5 (0.91%) Windows 10
19 4 (0.72%) Ubuntu
Processes & Methodologies
1 148 (26.81%) High Availability
2 92 (16.67%) ITIL
3 79 (14.31%) Load Balancing
4 74 (13.41%) Performance Tuning
5 72 (13.04%) Migration
6 66 (11.96%) Disaster Recovery
7 60 (10.87%) DevOps
8 57 (10.33%) Agile Software Development
9 42 (7.61%) Configuration Management
10 39 (7.07%) Change Management
11 36 (6.52%) Microservices
12 31 (5.62%) Continuous Integration
12 31 (5.62%) Project Management
13 30 (5.43%) Change Control
14 28 (5.07%) Mentoring
15 27 (4.89%) Server Building
16 26 (4.71%) Business Intelligence
17 23 (4.17%) Problem Management
18 21 (3.80%) Capacity Planning
18 21 (3.80%) Unit Testing
Programming Languages
1 167 (30.25%) SQL
2 76 (13.77%) Bash Shell
2 76 (13.77%) Python
3 65 (11.78%) PowerShell
4 59 (10.69%) Shell Script
5 57 (10.33%) Perl
6 49 (8.88%) Java
7 33 (5.98%) T-SQL
8 23 (4.17%) Korn
9 21 (3.80%) Ruby
10 13 (2.36%) C-shell
11 11 (1.99%) C#
12 10 (1.81%) JavaScript
12 10 (1.81%) VB
13 9 (1.63%) PL/SQL
14 7 (1.27%) PHP
15 5 (0.91%) JCL
16 4 (0.72%) C
17 3 (0.54%) Jython
17 3 (0.54%) VB.NET
Qualifications
1 102 (18.48%) Security Cleared
2 73 (13.22%) SC Cleared
3 43 (7.79%) Microsoft Certification
4 36 (6.52%) Cisco Certification
5 31 (5.62%) DV Cleared
6 28 (5.07%) MCSE
7 21 (3.80%) MCITP
8 18 (3.26%) CCNA
8 18 (3.26%) CCNP
8 18 (3.26%) Degree
9 15 (2.72%) VMware Certified Professional (VCP)
10 14 (2.54%) CCIE
11 10 (1.81%) RHCE
12 8 (1.45%) MCTS
12 8 (1.45%) MySQL Certification
13 7 (1.27%) CCNP Voice
13 7 (1.27%) CCVP
14 6 (1.09%) ITIL Certification
14 6 (1.09%) MCDBA
15 5 (0.91%) CCSP
Quality Assurance & Compliance
1 12 (2.17%) SLA
2 11 (1.99%) QA
3 7 (1.27%) PMO
4 6 (1.09%) ISO/IEC 27001
4 6 (1.09%) PCI DSS
5 4 (0.72%) AS 2805
5 4 (0.72%) ISO 8583
5 4 (0.72%) JSP 440
6 3 (0.54%) Disclosure Scotland
7 2 (0.36%) Data Quality
7 2 (0.36%) ISO 9001
7 2 (0.36%) Sarbanes-Oxley
System Software
1 144 (26.09%) Active Directory
2 105 (19.02%) VMware Infrastructure
3 86 (15.58%) Hyper-V
4 34 (6.16%) Veritas Volume Manager
5 31 (5.62%) VMware ESXi
6 28 (5.07%) Oracle RAC
7 21 (3.80%) Docker
8 20 (3.62%) KVM
8 20 (3.62%) vSphere
9 17 (3.08%) XenApp
10 15 (2.72%) Virtual Machines
11 14 (2.54%) Samba
12 13 (2.36%) XenDesktop
13 12 (2.17%) GPFS
14 10 (1.81%) Xen
15 8 (1.45%) GFS2
15 8 (1.45%) OCFS2
16 6 (1.09%) NFS
16 6 (1.09%) Terminal Services
17 4 (0.72%) vCloud
Systems Management
1 79 (14.31%) Microsoft Clustering
2 44 (7.97%) Opscode Chef
3 41 (7.43%) Puppet
3 41 (7.43%) SCCM
4 37 (6.70%) SCOM
5 35 (6.34%) Failover Clustering
6 30 (5.43%) NetBackup
7 25 (4.53%) OpenView Configuration Management
8 24 (4.35%) Ansible
9 23 (4.17%) Netcool
10 17 (3.08%) Galera Cluster
10 17 (3.08%) WSUS
11 14 (2.54%) Tivoli Storage Manager
12 13 (2.36%) Cisco UCCX
12 13 (2.36%) Kubernetes
13 11 (1.99%) Red Hat Satellite
14 10 (1.81%) Nagios
14 10 (1.81%) OpenView
14 10 (1.81%) Rancher
14 10 (1.81%) vCenter Server
Vendors
1 157 (28.44%) VMware
2 139 (25.18%) Microsoft
3 129 (23.37%) Oracle
4 111 (20.11%) Red Hat
5 97 (17.57%) Cisco
6 89 (16.12%) Veritas
7 71 (12.86%) Citrix
8 68 (12.32%) HP
9 60 (10.87%) Sun
10 53 (9.60%) F5
11 22 (3.99%) EMC
11 22 (3.99%) PlateSpin
12 21 (3.80%) IBM
12 21 (3.80%) NetApp
13 18 (3.26%) McAfee
14 14 (2.54%) Dell
14 14 (2.54%) Percona
15 10 (1.81%) Cognos
15 10 (1.81%) Opsware
15 10 (1.81%) StorageTek