Period
to 21 October 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 21 October 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
21 Oct 2017
Same period 2016 Same period 2015
Rank 408 272 299
Rank change year-on-year -136 +27 -14
Contract jobs citing Clustering 554 984 916
As % of all contract IT jobs advertised in the UK 0.56% 0.93% 0.80%
As % of the Miscellaneous category 1.66% 2.78% 2.47%
Number of daily rates quoted 383 678 505
UK median daily rate £400 £375 £400
Median daily rate % change year-on-year +6.67% -6.25% -
10th Percentile £290 £262 £265
90th Percentile £550 £550 £515
UK excluding London median daily rate £375 £341 £375
% change year-on-year +9.97% -9.07% +6.38%
Number of hourly rates quoted 9 24 24
UK median hourly rate £30.00 £28.00 £35.50
Median hourly rate % change year-on-year +7.14% -21.13% +18.33%
10th Percentile £19.80 £18.81 £22.37
90th Percentile £36.00 £41.75 £45.25
UK excluding London median hourly rate £32.00 £28.00 £35.00
% change year-on-year +14.29% -20.00% +16.67%

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 33347 35358 37028
As % of all contract IT jobs advertised in the UK 33.57% 33.30% 32.45%
Number of daily rates quoted 22047 23176 23428
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £263 £250 £240
90th Percentile £650 £625 £613
UK excluding London median daily rate £400 £390 £375
% change year-on-year +2.56% +4.00% +7.14%
Number of hourly rates quoted 993 1199 1462
UK median hourly rate £20.94 £20.00 £19.00
Median hourly rate % change year-on-year +4.68% +5.26% +1.60%
10th Percentile £11.25 £11.71 £11.25
90th Percentile £48.75 £47.05 £47.50
UK excluding London median hourly rate £20.21 £20.50 £18.00
% change year-on-year -1.41% +13.89% -2.70%

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 October 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 21 October 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 21 October 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 -101 523 £400 - 44
UK excluding London -71 374 £375 +9.97% 26
London -97 172 £450 +5.88% 19
North of England +7 164 £420 +27.27% 5
South East -37 84 £375 - 7
North West +13 76 £525 +31.25% 1
Midlands +65 64 £340 -1.45% 6
North East +3 60 £350 +11.82%
East Midlands +39 53 £340 -9.33% 4
Yorkshire +42 41 £535 +33.75% 4
East of England -46 21 £370 -7.50% 6
Scotland -58 21 £390 +30.00%
South West -17 17 £400 +14.29% 1
West Midlands +18 9 £333 -2.21% 2
Wales -3 4 £450 +4.35% 1

For the 6 months to 21 October 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.

1 234 (42.24%) Linux
2 219 (39.53%) Windows
3 173 (31.23%) VMware
4 164 (29.60%) SQL Server
5 162 (29.24%) High Availability
6 147 (26.53%) Oracle
7 145 (26.17%) SQL
8 134 (24.19%) Microsoft
9 130 (23.47%) Firewall
10 127 (22.92%) Active Directory
11 123 (22.20%) Windows Server
12 122 (22.02%) Unix
13 120 (21.66%) Red Hat
14 114 (20.58%) Security Cleared
15 111 (20.04%) Load Balancing
16 109 (19.68%) ITIL
17 108 (19.49%) Cisco
18 107 (19.31%) VMware Infrastructure
19 103 (18.59%) Solaris
20 98 (17.69%) Bash Shell
21 97 (17.51%) Hyper-V
22 96 (17.33%) Data Centre
22 96 (17.33%) Replication
23 94 (16.97%) SAN
24 92 (16.61%) TCP/IP
25 89 (16.06%) HP
26 86 (15.52%) Python
26 86 (15.52%) Red Hat Enterprise Linux
27 85 (15.34%) Apache
28 84 (15.16%) Migration

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 (15.34%) Apache
2 70 (12.64%) Tomcat
3 59 (10.65%) JBoss
4 57 (10.29%) WebLogic
5 52 (9.39%) iPlanet
5 52 (9.39%) Oracle Application Server
6 47 (8.48%) MS Exchange
7 45 (8.12%) SharePoint
8 33 (5.96%) Confluence
9 28 (5.05%) Skype for Business
10 26 (4.69%) nginx
11 24 (4.33%) IIS
12 15 (2.71%) BizTalk Server
13 14 (2.53%) Elasticsearch
14 13 (2.35%) WebSphere
15 12 (2.17%) MQSeries
15 12 (2.17%) OpenStack
15 12 (2.17%) WebLogic Portal
16 11 (1.99%) Exchange Server 2010
17 10 (1.81%) Exchange Server 2013
Applications
1 21 (3.79%) Microsoft Office
2 12 (2.17%) Microsoft Project
3 4 (0.72%) MS Visio
4 2 (0.36%) Microsoft Excel
Business Applications
1 25 (4.51%) Oracle Procure-to-Pay
2 3 (0.54%) Oracle EBS
2 3 (0.54%) SAP ERP
2 3 (0.54%) SAP SRM
3 2 (0.36%) Oracle Retail
3 2 (0.36%) SAP Oil and Gas
3 2 (0.36%) Teamcenter
4 1 (0.18%) Dynamics AX
4 1 (0.18%) Oracle EBS R12
Cloud Services
1 55 (9.93%) Amazon AWS
2 37 (6.68%) Microsoft Azure
3 35 (6.32%) Office 365
4 26 (4.69%) Slack
5 12 (2.17%) AWS CloudFormation
6 8 (1.44%) PaaS
7 6 (1.08%) Cloud Computing
7 6 (1.08%) IaaS
8 5 (0.90%) GitHub
9 3 (0.54%) Google Cloud Platform
9 3 (0.54%) OpenShift
10 2 (0.36%) Azure Active Directory
10 2 (0.36%) SaaS
11 1 (0.18%) Amazon CloudWatch
11 1 (0.18%) Amazon EC2
11 1 (0.18%) Azure Data Factory
11 1 (0.18%) Data Lake Analytics
11 1 (0.18%) iTunes
Communications & Networking
1 130 (23.47%) Firewall
2 94 (16.97%) SAN
3 92 (16.61%) TCP/IP
4 71 (12.82%) DNS
5 52 (9.39%) DHCP
6 49 (8.84%) NAS
7 36 (6.50%) WAN
8 35 (6.32%) LDAP
9 30 (5.42%) HTTP
10 28 (5.05%) LAN
11 26 (4.69%) SSL
12 19 (3.43%) VoIP
13 18 (3.25%) iSCSI
14 17 (3.07%) BIG-IP
14 17 (3.07%) F5 BIG-IP LTM
15 14 (2.53%) Unified Communications
16 12 (2.17%) Wireless
17 11 (1.99%) Remote Desktop
18 10 (1.81%) Kerberos
18 10 (1.81%) NetScaler
Database & Business Intelligence
1 164 (29.60%) SQL Server
2 60 (10.83%) MySQL
3 55 (9.93%) SQL Server 2008
4 46 (8.30%) SQL Server 2012
5 42 (7.58%) SQL Server Integration Services
6 36 (6.50%) DB2
6 36 (6.50%) SQL Server 2005
7 33 (5.96%) SQL Server 2016
8 31 (5.60%) Oracle Database
8 31 (5.60%) SQL Server Reporting Services
9 29 (5.23%) Relational Database
10 26 (4.69%) RDBMS
11 24 (4.33%) PostgreSQL
11 24 (4.33%) SQL Server Analysis Services
12 22 (3.97%) SQL Server 2014
13 21 (3.79%) MongoDB
14 17 (3.07%) Apache Cassandra
15 14 (2.53%) Oracle Reports
16 10 (1.81%) Microsoft Analysis Services
17 9 (1.62%) Data Warehouse
Development Applications
1 41 (7.40%) Jenkins
2 36 (6.50%) Git (software)
3 30 (5.42%) JIRA
4 26 (4.69%) SonarQube
5 17 (3.07%) Team Foundation Server
6 5 (0.90%) SQL Server Management Studio (SSMS)
7 4 (0.72%) Subversion
7 4 (0.72%) Visual Studio
8 3 (0.54%) Ant
8 3 (0.54%) Artifactory
8 3 (0.54%) Bitbucket
8 3 (0.54%) JMeter
8 3 (0.54%) JUnit
8 3 (0.54%) Maven
9 1 (0.18%) Hudson
9 1 (0.18%) MSBuild
9 1 (0.18%) Sonatype Nexus
9 1 (0.18%) SpecFlow
9 1 (0.18%) Vagrant
9 1 (0.18%) webpack
General
1 72 (13.00%) Finance
2 48 (8.66%) Banking
3 11 (1.99%) Investment Banking
4 10 (1.81%) Automotive
4 10 (1.81%) Retail
4 10 (1.81%) Telecoms
5 8 (1.44%) Financial Institution
5 8 (1.44%) Law
5 8 (1.44%) Legal
6 7 (1.26%) Manufacturing
7 6 (1.08%) Local Government
7 6 (1.08%) Marketing
8 5 (0.90%) Publishing
9 3 (0.54%) French Language
9 3 (0.54%) Front Office
10 2 (0.36%) Digital Economy
10 2 (0.36%) Electronics
10 2 (0.36%) Games
10 2 (0.36%) Retail Banking
11 1 (0.18%) Advertising
Job Titles
1 132 (23.83%) DBA
2 87 (15.70%) Administrator
3 62 (11.19%) SQL DBA
4 47 (8.48%) Linux Engineer
5 45 (8.12%) Architect
6 38 (6.86%) DevOps Engineer
6 38 (6.86%) MySQL DBA
7 35 (6.32%) Unix Engineer
8 34 (6.14%) Systems Administrator
9 31 (5.60%) Consultant
9 31 (5.60%) Support Engineer
10 27 (4.87%) Linux DevOps Engineer
10 27 (4.87%) Linux/Unix DevOps
10 27 (4.87%) SQL Server DBA
11 24 (4.33%) Systems Engineer
12 23 (4.15%) Infrastructure Engineer
12 23 (4.15%) Unix Administrator
13 22 (3.97%) Analyst
13 22 (3.97%) Developer
13 22 (3.97%) Linux Administrator
Libraries, Frameworks & Software Standards
1 53 (9.57%) J2EE
2 15 (2.71%) Middleware
2 15 (2.71%) Web Services
3 14 (2.53%) HTML
3 14 (2.53%) LAPP Stack
4 12 (2.17%) .NET
5 9 (1.62%) XML
6 8 (1.44%) LEMP Stack
6 8 (1.44%) XMPP
7 6 (1.08%) ActiveMQ
7 6 (1.08%) Ajax
7 6 (1.08%) ASP.NET
7 6 (1.08%) JSF
7 6 (1.08%) Oracle GoldenGate
7 6 (1.08%) WebCenter
8 5 (0.90%) Oracle ADF
8 5 (0.90%) SAP Basis
8 5 (0.90%) SOAP
9 4 (0.72%) WCF
9 4 (0.72%) WebSphere MQ
Miscellaneous
1 96 (17.33%) Data Centre
1 96 (17.33%) Replication
2 25 (4.51%) Analytical Skills
3 18 (3.25%) Computer Science
4 13 (2.35%) HACMP
4 13 (2.35%) Public Cloud
5 11 (1.99%) Derivative
6 8 (1.44%) Client/Server
7 7 (1.26%) Enterprise Software
7 7 (1.26%) Grid Computing
7 7 (1.26%) iSeries
7 7 (1.26%) N-Tier
8 6 (1.08%) Management Information System
9 5 (0.90%) PKI
10 4 (0.72%) Blackberry
10 4 (0.72%) Device Driver
10 4 (0.72%) Private Cloud
10 4 (0.72%) Video Conferencing
11 3 (0.54%) Fintech
11 3 (0.54%) Fixed Income
Operating Systems
1 234 (42.24%) Linux
2 219 (39.53%) Windows
3 123 (22.20%) Windows Server
4 122 (22.02%) Unix
5 103 (18.59%) Solaris
6 86 (15.52%) Red Hat Enterprise Linux
7 80 (14.44%) AIX
8 73 (13.18%) Windows Server 2012
9 61 (11.01%) Windows Server 2008
10 57 (10.29%) HPUX
11 53 (9.57%) Windows Server 2003
12 49 (8.84%) SUSE
13 22 (3.97%) CentOS
14 15 (2.71%) Windows XP
15 11 (1.99%) zOS
16 10 (1.81%) Windows Vista
17 7 (1.26%) Windows 7
18 5 (0.90%) Ubuntu
18 5 (0.90%) Windows 10
19 4 (0.72%) Windows 2000
Processes & Methodologies
1 162 (29.24%) High Availability
2 111 (20.04%) Load Balancing
3 109 (19.68%) ITIL
4 84 (15.16%) Migration
5 64 (11.55%) Disaster Recovery
6 62 (11.19%) DevOps
7 61 (11.01%) Performance Tuning
8 59 (10.65%) Agile Software Development
9 55 (9.93%) Configuration Management
10 52 (9.39%) Mentoring
11 45 (8.12%) Microservices
12 42 (7.58%) Continuous Integration
13 39 (7.04%) Change Management
14 34 (6.14%) Coaching
15 28 (5.05%) Project Management
16 26 (4.69%) Static Code Analysis
17 25 (4.51%) Continuous Delivery
18 22 (3.97%) PRINCE2
18 22 (3.97%) Problem Management
18 22 (3.97%) Root Cause Analysis
Programming Languages
1 145 (26.17%) SQL
2 98 (17.69%) Bash Shell
3 86 (15.52%) Python
4 74 (13.36%) PowerShell
5 60 (10.83%) Perl
6 51 (9.21%) Java
7 49 (8.84%) Shell Script
8 34 (6.14%) T-SQL
9 16 (2.89%) Korn
9 16 (2.89%) VBScript
10 15 (2.71%) C#
11 13 (2.35%) C-shell
12 10 (1.81%) Ruby
13 9 (1.62%) JavaScript
13 9 (1.62%) PHP
14 8 (1.44%) PL/SQL
15 4 (0.72%) C
15 4 (0.72%) Go
15 4 (0.72%) VB
16 3 (0.54%) R
Qualifications
1 114 (20.58%) Security Cleared
2 84 (15.16%) SC Cleared
3 41 (7.40%) Microsoft Certification
4 33 (5.96%) Cisco Certification
4 33 (5.96%) MCSE
5 30 (5.42%) DV Cleared
6 26 (4.69%) Degree
7 20 (3.61%) VMware Certified Professional (VCP)
8 16 (2.89%) CCIE
9 14 (2.53%) CCNA
10 12 (2.17%) CCNP
11 11 (1.99%) MCITP
11 11 (1.99%) RHCE
12 10 (1.81%) BPSS Clearance
12 10 (1.81%) Computer Science Degree
13 8 (1.44%) MySQL Certification
14 7 (1.26%) CCNP Voice
14 7 (1.26%) CCVP
14 7 (1.26%) MCSA
14 7 (1.26%) VCAP
Quality Assurance & Compliance
1 15 (2.71%) SLA
2 9 (1.62%) QA
3 8 (1.44%) PCI DSS
4 7 (1.26%) AS 2805
4 7 (1.26%) ISO 8583
5 4 (0.72%) ISO/IEC 27001
6 3 (0.54%) Disclosure Scotland
6 3 (0.54%) PMO
7 2 (0.36%) Sarbanes-Oxley
8 1 (0.18%) GDPR
8 1 (0.18%) ISO 9001
System Software
1 127 (22.92%) Active Directory
2 107 (19.31%) VMware Infrastructure
3 97 (17.51%) Hyper-V
4 38 (6.86%) VMware ESXi
5 36 (6.50%) Veritas Volume Manager
6 34 (6.14%) Docker
7 23 (4.15%) KVM
8 21 (3.79%) Oracle RAC
8 21 (3.79%) Samba
9 20 (3.61%) XenApp
10 16 (2.89%) XenDesktop
11 15 (2.71%) vSphere
12 13 (2.35%) Virtual Machines
13 12 (2.17%) Xen
14 10 (1.81%) Terminal Services
15 9 (1.62%) GPFS
16 7 (1.26%) PowerHA
17 5 (0.90%) RHEV
18 4 (0.72%) SRDF
19 3 (0.54%) Veritas File System
Systems Management
1 84 (15.16%) Microsoft Clustering
2 49 (8.84%) SCCM
3 44 (7.94%) SCOM
4 43 (7.76%) Puppet
5 37 (6.68%) Opscode Chef
6 31 (5.60%) NetBackup
7 25 (4.51%) Ansible
8 24 (4.33%) Failover Clustering
9 21 (3.79%) OpenView Configuration Management
10 18 (3.25%) Galera Cluster
11 15 (2.71%) Data Guard
11 15 (2.71%) Netcool
11 15 (2.71%) WSUS
12 13 (2.35%) Kubernetes
12 13 (2.35%) McAfee ePO
13 12 (2.17%) OpenView
13 12 (2.17%) Terraform
14 10 (1.81%) Backup Exec
15 9 (1.62%) Tivoli Storage Manager
16 8 (1.44%) Norton AntiVirus
Vendors
1 173 (31.23%) VMware
2 147 (26.53%) Oracle
3 134 (24.19%) Microsoft
4 120 (21.66%) Red Hat
5 108 (19.49%) Cisco
6 89 (16.06%) HP
7 83 (14.98%) Veritas
8 69 (12.45%) Sun
9 68 (12.27%) F5
10 66 (11.91%) Citrix
11 32 (5.78%) McAfee
12 31 (5.60%) IBM
13 25 (4.51%) PlateSpin
14 22 (3.97%) NetApp
15 16 (2.89%) Dell
16 15 (2.71%) Symantec
17 14 (2.53%) EMC
17 14 (2.53%) Percona
18 13 (2.35%) SolarWinds
19 12 (2.17%) Opsware