Period
to 4 December 2020

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 4 December 2020 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
4 Dec 2020
Same period 2019 Same period 2018
Rank 424 406 459
Rank change year-on-year -18 +53 -35
Contract jobs citing Clustering 144 440 519
As % of all contract jobs advertised in the UK 0.38% 0.54% 0.50%
As % of the Miscellaneous category 1.12% 1.72% 1.55%
Number of daily rates quoted 101 307 339
Median daily rate £450 £433 £413
Median daily rate % change year-on-year +4.05% +4.85% +0.61%
10th Percentile £268 £320 £280
90th Percentile £588 £588 £575
UK excluding London median daily rate £400 £425 £388
% change year-on-year -5.88% +9.68% -0.64%
Number of hourly rates quoted 9 7 9
Median hourly rate £57.50 £42.50 £42.27
Median hourly rate % change year-on-year +35.29% +0.56% +32.08%
10th Percentile £35.00 £29.90 £25.22
90th Percentile £61.25 £47.20 £46.97
UK excluding London median hourly rate £57.50 £44.75 £42.27
% change year-on-year +28.49% +5.88% +32.08%

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 12,801 25,555 33,560
As % of all contract IT jobs advertised in the UK 33.75% 31.11% 32.29%
Number of daily rates quoted 7,968 16,185 21,905
Median daily rate £475 £463 £475
Median daily rate % change year-on-year +2.70% -2.63% +5.56%
10th Percentile £250 £256 £275
90th Percentile £700 £670 £650
UK excluding London median daily rate £413 £425 £425
% change year-on-year -2.94% - +6.25%
Number of hourly rates quoted 591 1,059 1,072
Median hourly rate £34.13 £23.35 £20.00
Median hourly rate % change year-on-year +46.15% +16.75% -
10th Percentile £12.74 £12.00 £12.03
90th Percentile £57.50 £53.75 £49.18
Median hourly rate £26.50 £22.81 £19.25
% change year-on-year +16.16% +18.51% -1.28%

Clustering
Job Vacancy Trend

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

Job vacancy trend for Clustering in the UK

Clustering
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Clustering.

Daily rate trend for Clustering in the UK

Clustering
Daily Rate Histogram

Daily rate distribution for jobs citing Clustering over the 6 months to 4 December 2020.

Daily rate histogram for Clustering in the UK

Clustering
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Clustering.

Hourly rate trend for Clustering in the UK

Clustering
Hourly Rate Histogram

Hourly rate distribution of jobs citing Clustering over the 6 months to 4 December 2020.

Hourly rate histogram for Clustering in the UK

Clustering
Top 14 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 4 December 2020. 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 +38 136 £450 +2.27% 58
London +130 67 £475 -2.56% 21
UK excluding London +11 63 £400 -5.88% 44
Work from Home -134 29 £450 -12.20% 6
North of England +45 27 £375 -6.25% 16
North West +46 17 £375 -6.25% 10
South East +72 14 £469 +10.29% 9
South West +69 10 £394 -21.25% 2
Yorkshire +35 10 £419 -4.83% 2
Midlands +65 4 £400 -11.11% 6
East of England +60 4 £441 +5.37% 3
East Midlands +44 4 £400 -11.11%
Scotland +35 3 £270 -26.53% 3
Wales +24 1 - - 5

For the 6 months to 4 December 2020, 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 54 (37.50%) Windows
1 54 (37.50%) Linux
2 52 (36.11%) High Availability
3 47 (32.64%) Oracle
3 47 (32.64%) Agile Software Development
4 43 (29.86%) SQL Server
5 42 (29.17%) Finance
5 42 (29.17%) VMware
6 40 (27.78%) SQL
6 40 (27.78%) Microsoft
6 40 (27.78%) Performance Tuning
6 40 (27.78%) Windows Server
7 39 (27.08%) Active Directory
8 37 (25.69%) Java
9 35 (24.31%) Security Cleared
10 34 (23.61%) VMware Infrastructure
11 33 (22.92%) Azure
11 33 (22.92%) REST
12 32 (22.22%) Jenkins
13 31 (21.53%) Analytical Skills
14 30 (20.83%) Spring
15 29 (20.14%) JavaScript
15 29 (20.14%) Windows Server 2012
15 29 (20.14%) SC Cleared
16 28 (19.44%) Continuous Integration
16 28 (19.44%) Relational Database
17 27 (18.75%) Middleware
18 26 (18.06%) Enterprise Software
18 26 (18.06%) Microsoft Clustering
19 25 (17.36%) Microservices

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 16 (11.11%) Apache
2 14 (9.72%) Red Hat Fuse
3 10 (6.94%) MS Exchange
4 8 (5.56%) SharePoint
5 6 (4.17%) Anypoint
5 6 (4.17%) Confluence
5 6 (4.17%) IIS
6 5 (3.47%) WebSphere
7 2 (1.39%) Exchange Server 2003
7 2 (1.39%) Exchange Server 2010
7 2 (1.39%) MQSeries
7 2 (1.39%) Mule
7 2 (1.39%) Mule ESB
7 2 (1.39%) Skype for Business
7 2 (1.39%) Tuxedo
7 2 (1.39%) WebLogic
8 1 (0.69%) Blackberry Enterprise Server
8 1 (0.69%) Camunda
8 1 (0.69%) iPlanet
8 1 (0.69%) Live Communications Server
Applications
1 6 (4.17%) Microsoft Office
2 4 (2.78%) MS Visio
3 3 (2.08%) Microsoft Excel
4 2 (1.39%) Microsoft PowerPoint
Business Applications
1 3 (2.08%) Maximo
2 1 (0.69%) Dynamics CRM
Cloud Services
1 33 (22.92%) Azure
2 24 (16.67%) AWS
3 19 (13.19%) PaaS
4 16 (11.11%) Office 365
4 16 (11.11%) SaaS
5 13 (9.03%) GitHub
6 12 (8.33%) IaaS
7 10 (6.94%) GCP
8 8 (5.56%) Cloud Computing
9 7 (4.86%) Amazon ECS
9 7 (4.86%) Amazon ElastiCache
9 7 (4.86%) Amazon Kinesis
9 7 (4.86%) AWS CloudFormation
10 4 (2.78%) Apigee
11 2 (1.39%) Azure Active Directory
12 1 (0.69%) Amazon S3
Communications & Networking
1 16 (11.11%) DNS
1 16 (11.11%) TCP/IP
2 12 (8.33%) SAN
3 11 (7.64%) Firewall
3 11 (7.64%) Kerberos
4 9 (6.25%) HTTP
5 8 (5.56%) DHCP
6 7 (4.86%) VSAN
7 6 (4.17%) SSL
8 5 (3.47%) WAAS
9 4 (2.78%) FTP
10 3 (2.08%) Intrusion Detection
10 3 (2.08%) VLAN
10 3 (2.08%) VPN
11 2 (1.39%) Cisco ASA
11 2 (1.39%) LAN
11 2 (1.39%) MPLS
11 2 (1.39%) SMTP
11 2 (1.39%) SSH
11 2 (1.39%) WAN
Database & Business Intelligence
1 43 (29.86%) SQL Server
2 28 (19.44%) Relational Database
3 17 (11.81%) PostgreSQL
4 12 (8.33%) RDBMS
5 5 (3.47%) Oracle Database
5 5 (3.47%) Oracle Database 10g
5 5 (3.47%) SQL Server Integration Services
6 4 (2.78%) Oracle Database 11g
6 4 (2.78%) Oracle Database 12c
6 4 (2.78%) Oracle Exadata
6 4 (2.78%) SQL Server 2008
6 4 (2.78%) SQL Server Reporting Services
7 3 (2.08%) MySQL
7 3 (2.08%) NoSQL
7 3 (2.08%) SQL Server 2012
7 3 (2.08%) SQL Server 2014
8 2 (1.39%) Redis
8 2 (1.39%) SQL Server 2016
8 2 (1.39%) SQL Server 2019
8 2 (1.39%) Tableau
Development Applications
1 32 (22.22%) Jenkins
2 12 (8.33%) Subversion
3 10 (6.94%) JIRA
4 7 (4.86%) Gradle
5 6 (4.17%) Git (software)
6 5 (3.47%) Bitbucket
6 5 (3.47%) JUnit
7 4 (2.78%) Cucumber
7 4 (2.78%) JMeter
7 4 (2.78%) SoapUI
7 4 (2.78%) SOAtest
7 4 (2.78%) SonarQube
8 2 (1.39%) Atlassian Bamboo
8 2 (1.39%) Maven
9 1 (0.69%) Arquillian
9 1 (0.69%) Artifactory
9 1 (0.69%) ERwin
9 1 (0.69%) Hudson
9 1 (0.69%) Serena SBM
9 1 (0.69%) TeamCity
General
1 42 (29.17%) Finance
2 24 (16.67%) Banking
3 12 (8.33%) Public Sector
4 6 (4.17%) Retail
5 5 (3.47%) Investment Banking
6 3 (2.08%) Manufacturing
6 3 (2.08%) Marketing
7 2 (1.39%) Advertising
7 2 (1.39%) Aerospace
7 2 (1.39%) Dutch Language
7 2 (1.39%) Electronics
7 2 (1.39%) Telecoms
8 1 (0.69%) Games
8 1 (0.69%) International Banking
8 1 (0.69%) Law
Job Titles
1 26 (18.06%) Architect
2 23 (15.97%) DBA
3 21 (14.58%) Developer
4 19 (13.19%) Java Developer
5 15 (10.42%) Administrator
6 13 (9.03%) SQL DBA
7 11 (7.64%) Consultant
7 11 (7.64%) Solutions Architect
8 9 (6.25%) Infrastructure Engineer
9 8 (5.56%) Java Architect
9 8 (5.56%) Java Solutions Architect
10 7 (4.86%) Data Scientist
10 7 (4.86%) Technical Architect
11 6 (4.17%) Analyst
11 6 (4.17%) SQL Server DBA
12 5 (3.47%) AWS Developer
12 5 (3.47%) Oracle DBA
12 5 (3.47%) Virtualisation Engineer
13 4 (2.78%) Full Stack Developer
13 4 (2.78%) VMware Engineer
Libraries, Frameworks & Software Standards
1 33 (22.92%) REST
2 30 (20.83%) Spring
3 27 (18.75%) Middleware
4 21 (14.58%) HTML
4 21 (14.58%) HTML5
5 20 (13.89%) JMS
6 18 (12.50%) Hibernate
7 15 (10.42%) Ajax
7 15 (10.42%) AngularJS
7 15 (10.42%) Apache Camel
7 15 (10.42%) GWT
7 15 (10.42%) jQuery
7 15 (10.42%) JSF
8 14 (9.72%) JDBC
8 14 (9.72%) OSGi
9 13 (9.03%) LDAP
10 12 (8.33%) Spring Boot
11 9 (6.25%) SOAP
12 8 (5.56%) Kafka
13 7 (4.86%) FIX Protocol
Miscellaneous
1 31 (21.53%) Analytical Skills
2 26 (18.06%) Enterprise Software
3 19 (13.19%) Replication
4 11 (7.64%) Data Centre
5 6 (4.17%) EMC VNX
6 5 (3.47%) Management Information System
7 4 (2.78%) User Experience
8 3 (2.08%) Fat Client
8 3 (2.08%) NHS
8 3 (2.08%) Self-Motivation
8 3 (2.08%) Thin Client
9 2 (1.39%) Cloud Native
9 2 (1.39%) Data Structures
9 2 (1.39%) Distributed Denial-of-Service
9 2 (1.39%) Fixed Income
9 2 (1.39%) Greenfield Project
9 2 (1.39%) Hybrid Cloud
9 2 (1.39%) PKI
10 1 (0.69%) Algorithms
10 1 (0.69%) Social Gaming
Operating Systems
1 54 (37.50%) Linux
1 54 (37.50%) Windows
2 40 (27.78%) Windows Server
3 29 (20.14%) Windows Server 2012
4 19 (13.19%) Unix
5 18 (12.50%) Windows Server 2016
6 17 (11.81%) Red Hat Enterprise Linux
7 13 (9.03%) Windows Server 2008
8 12 (8.33%) Windows Server 2019
9 11 (7.64%) Windows 10
10 6 (4.17%) AIX
11 5 (3.47%) CentOS
11 5 (3.47%) Solaris
11 5 (3.47%) Windows XP
12 3 (2.08%) Mac OS X
13 1 (0.69%) Mac OS X Server
13 1 (0.69%) Ubuntu
13 1 (0.69%) Windows 2000
Processes & Methodologies
1 52 (36.11%) High Availability
2 47 (32.64%) Agile Software Development
3 40 (27.78%) Performance Tuning
4 28 (19.44%) Continuous Integration
5 25 (17.36%) Microservices
6 24 (16.67%) DevOps
7 23 (15.97%) Problem-Solving
8 22 (15.28%) Scalability Testing
9 21 (14.58%) Web Development
10 20 (13.89%) Open Source
11 19 (13.19%) OO
12 17 (11.81%) Configuration Management
12 17 (11.81%) Infrastructure Engineering
13 16 (11.11%) ITIL
13 16 (11.11%) Scrum
14 14 (9.72%) Migration
15 13 (9.03%) Load Balancing
15 13 (9.03%) Software Engineering
16 12 (8.33%) Extreme Programming
16 12 (8.33%) RUP
Programming Languages
1 40 (27.78%) SQL
2 37 (25.69%) Java
3 29 (20.14%) JavaScript
4 14 (9.72%) Python
5 13 (9.03%) Java 8
5 13 (9.03%) PowerShell
6 9 (6.25%) Shell Script
7 7 (4.86%) Perl
7 7 (4.86%) PL/SQL
8 5 (3.47%) Bash Shell
8 5 (3.47%) T-SQL
9 3 (2.08%) C
10 2 (1.39%) Go
11 1 (0.69%) Ruby
11 1 (0.69%) VB
11 1 (0.69%) VBScript
11 1 (0.69%) WebLogic Scripting Tool
11 1 (0.69%) XPath
Qualifications
1 35 (24.31%) Security Cleared
2 29 (20.14%) SC Cleared
3 10 (6.94%) Degree
4 7 (4.86%) Computer Science Degree
4 7 (4.86%) Master's Degree
4 7 (4.86%) VMware Certified Professional (VCP)
5 6 (4.17%) DV Cleared
6 4 (2.78%) Microsoft Certification
7 3 (2.08%) AWS Certification
7 3 (2.08%) CCNA
7 3 (2.08%) Cisco Certification
7 3 (2.08%) CISM
7 3 (2.08%) CISSP
7 3 (2.08%) MCSE
7 3 (2.08%) VCAP
8 2 (1.39%) CCNP
8 2 (1.39%) CISA
8 2 (1.39%) ISO 27001 Lead Auditor
8 2 (1.39%) RHCE
8 2 (1.39%) RHCT
Quality Assurance & Compliance
1 4 (2.78%) ISO/IEC 27001
1 4 (2.78%) MiFID
2 3 (2.08%) COBIT
2 3 (2.08%) GDPR
2 3 (2.08%) ISO 31000
2 3 (2.08%) NIST
2 3 (2.08%) Sarbanes-Oxley
3 2 (1.39%) Actionable Recommendations
3 2 (1.39%) QA
3 2 (1.39%) SLA
4 1 (0.69%) Disclosure Scotland
4 1 (0.69%) GMP
4 1 (0.69%) PCI DSS
System Software
1 39 (27.08%) Active Directory
2 34 (23.61%) VMware Infrastructure
3 16 (11.11%) VMware ESXi
4 10 (6.94%) Hyper-V
5 8 (5.56%) Docker
5 8 (5.56%) Virtual Machines
5 8 (5.56%) vSphere
6 7 (4.86%) XenApp
7 6 (4.17%) VMware NSX
8 5 (3.47%) Oracle RAC
9 3 (2.08%) DFS Replication
9 3 (2.08%) NFS
9 3 (2.08%) XenDesktop
10 2 (1.39%) vCloud
11 1 (0.69%) Citrix Hypervisor
11 1 (0.69%) GPFS
11 1 (0.69%) HDFS
11 1 (0.69%) Postfix
11 1 (0.69%) PowerHA
11 1 (0.69%) RHEV
Systems Management
1 26 (18.06%) Microsoft Clustering
2 16 (11.11%) Ansible
3 15 (10.42%) Puppet
4 11 (7.64%) Terraform
5 10 (6.94%) Kubernetes
5 10 (6.94%) Opscode Chef
5 10 (6.94%) SCCM
6 9 (6.25%) vCenter Server
7 6 (4.17%) Microsoft Intune
7 6 (4.17%) SCOM
7 6 (4.17%) Single Sign-On
7 6 (4.17%) WSUS
8 5 (3.47%) Data Guard
8 5 (3.47%) IBM BigFix
9 4 (2.78%) HP Quality Center
9 4 (2.78%) NetBackup
9 4 (2.78%) Oracle Enterprise Manager
9 4 (2.78%) Oracle RMAN
9 4 (2.78%) Red Hat Satellite
9 4 (2.78%) vRealize
Vendors
1 47 (32.64%) Oracle
2 42 (29.17%) VMware
3 40 (27.78%) Microsoft
4 17 (11.81%) Red Hat
5 15 (10.42%) IBM
6 13 (9.03%) Citrix
7 11 (7.64%) HP
8 9 (6.25%) EMC
9 8 (5.56%) Splunk
10 7 (4.86%) Cisco
10 7 (4.86%) Dell
11 6 (4.17%) MuleSoft
11 6 (4.17%) SaltStack
12 4 (2.78%) Pega
12 4 (2.78%) Sybase
12 4 (2.78%) Symantec
13 3 (2.08%) Atlassian
13 3 (2.08%) SolarWinds
13 3 (2.08%) Veeam
13 3 (2.08%) Veritas