Period
to 18 May 2021

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in England. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 18 May 2021 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 > England
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 380 427 490
Rank change year-on-year +47 +63 -72
Contract jobs citing Clustering 245 177 379
As % of all contract jobs advertised in England 0.54% 0.40% 0.45%
As % of the Miscellaneous category 1.79% 1.38% 1.57%
Number of daily rates quoted 166 112 255
10th Percentile £358 £301 £350
25th Percentile £400 £363 £385
Median daily rate (50th Percentile) £475 £425 £450
Median % change year-on-year +11.76% -5.56% +5.88%
75th Percentile £569 £514 £538
90th Percentile £650 £568 £575
UK median daily rate £475 £425 £443
% change year-on-year +11.76% -3.95% +7.27%
Number of hourly rates quoted 9 5 0
Median hourly rate £60.00 £46.50 -
Median % change year-on-year +29.03% - -
UK median hourly rate £60.00 £47.17 -
% change year-on-year +27.21% - -

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 advertised in England with a requirement for generic IT skills.

All Generic IT Skills
England
Contract vacancies with a requirement for generic IT skills 13,650 12,785 24,179
As % of all contract IT jobs advertised in England 29.97% 28.86% 28.77%
Number of daily rates quoted 9,128 8,452 16,148
10th Percentile £281 £254 £293
25th Percentile £397 £375 £388
Median daily rate (50th Percentile) £500 £475 £475
Median % change year-on-year +5.26% - -
75th Percentile £613 £600 £588
90th Percentile £700 £700 £675
UK median daily rate £500 £475 £475
% change year-on-year +5.26% - +2.70%
Number of hourly rates quoted 536 529 777
10th Percentile £12.38 £12.61 £11.85
25th Percentile £16.41 £15.75 £14.75
Median hourly rate £25.75 £21.57 £21.00
Median % change year-on-year +19.38% +2.71% -4.55%
75th Percentile £47.50 £44.25 £44.13
90th Percentile £59.25 £53.00 £51.25
UK median hourly rate £25.50 £22.82 £20.31
% change year-on-year +11.74% +12.34% -5.96%

Clustering
Job Vacancy Trend in England

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

Job vacancy trend for Clustering in England

Clustering
Contractor Daily Rate Trend in England

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

Daily rate trend for Clustering in England

Clustering
Daily Rate Histogram in England

Daily rate distribution for jobs citing Clustering in England over the 6 months to 18 May 2021.

Daily rate histogram for Clustering in England

Clustering
Contractor Hourly Rate Trend in England

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

Hourly rate trend for Clustering in England

Clustering
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the England region over the 6 months to 18 May 2021. 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
London +47 131 £500 +17.65% 10
South East +20 43 £403 -5.29% 18
North of England +27 28 £425 +6.25% 11
North West +19 20 £425 +6.25% 11
East of England +24 11 £218 -49.18% 4
South West +42 9 £450 -7.69% 7
Midlands -2 9 £403 -5.29% 11
West Midlands +3 7 £403 -5.29% 9
Yorkshire +24 5 £325 -23.53%
North East +16 3 £450 +71.43%
East Midlands +5 2 £400 -25.58% 2
Clustering
UK

For the 6 months to 18 May 2021, 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 across the England region with a requirement for Clustering.

1 105 (42.86%) Linux
2 91 (37.14%) Windows
3 90 (36.73%) VMware
4 76 (31.02%) Oracle
5 73 (29.80%) VMware Infrastructure
6 71 (28.98%) Active Directory
7 68 (27.76%) Azure
8 67 (27.35%) Security Cleared
9 64 (26.12%) Windows Server
10 61 (24.90%) Java
11 56 (22.86%) High Availability
11 56 (22.86%) Performance Tuning
12 54 (22.04%) Red Hat
13 53 (21.63%) Microsoft
14 52 (21.22%) AWS
14 52 (21.22%) Red Hat Enterprise Linux
15 51 (20.82%) Jenkins
16 49 (20.00%) Windows Server 2012
16 49 (20.00%) REST
16 49 (20.00%) DNS
16 49 (20.00%) Agile Software Development
17 47 (19.18%) Finance
18 45 (18.37%) SQL
18 45 (18.37%) Microsoft Clustering
19 44 (17.96%) Unix
20 43 (17.55%) SQL Server
20 43 (17.55%) Microservices
21 42 (17.14%) Ansible
21 42 (17.14%) Social Skills
21 42 (17.14%) PowerShell

Clustering
Co-occurring IT Skills in England 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 40 (16.33%) SharePoint
2 34 (13.88%) MS Exchange
3 26 (10.61%) Apache
4 21 (8.57%) IIS
5 14 (5.71%) Red Hat Fuse
6 11 (4.49%) Tomcat
6 11 (4.49%) WebLogic
6 11 (4.49%) WebSphere
7 10 (4.08%) MS Project Server
7 10 (4.08%) Oracle SOA Suite
7 10 (4.08%) WebLogic Portal
8 9 (3.67%) WebSphere Application Server
9 7 (2.86%) Apache ServiceMix
9 7 (2.86%) Confluence
9 7 (2.86%) IBM Domino
10 6 (2.45%) Anypoint
11 5 (2.04%) Mule
11 5 (2.04%) Mule ESB
11 5 (2.04%) OpenStack
11 5 (2.04%) SAP Portal
Applications
1 15 (6.12%) Microsoft Office
2 4 (1.63%) MS Visio
3 2 (0.82%) Sketch
Business Applications
1 10 (4.08%) Oracle Applications
1 10 (4.08%) Oracle EBS
2 7 (2.86%) Magento
2 7 (2.86%) Shopify
3 3 (1.22%) Remedy ITSM
4 1 (0.41%) Maximo
Cloud Services
1 68 (27.76%) Azure
2 52 (21.22%) AWS
3 29 (11.84%) Microsoft 365
4 27 (11.02%) GitHub
5 20 (8.16%) PaaS
6 16 (6.53%) SaaS
7 15 (6.12%) GCP
7 15 (6.12%) IaaS
8 14 (5.71%) Amazon ECS
8 14 (5.71%) AWS CloudFormation
9 12 (4.90%) Cloud Computing
10 8 (3.27%) Amazon ElastiCache
10 8 (3.27%) Amazon Kinesis
11 7 (2.86%) AWS Lambda
11 7 (2.86%) Azure Active Directory
11 7 (2.86%) Serverless
12 5 (2.04%) OpenShift
13 2 (0.82%) Amazon EMR
13 2 (0.82%) Mimecast
14 1 (0.41%) Amazon S3
Communications & Networking
1 49 (20.00%) DNS
2 26 (10.61%) TCP/IP
3 20 (8.16%) Firewall
3 20 (8.16%) SAN
4 19 (7.76%) DHCP
5 16 (6.53%) iSCSI
5 16 (6.53%) WAAS
6 13 (5.31%) WAN
7 12 (4.90%) LAN
7 12 (4.90%) SSL
8 11 (4.49%) HTTP
9 9 (3.67%) Kerberos
9 9 (3.67%) SSH
10 8 (3.27%) FTP
11 7 (2.86%) NAS
12 6 (2.45%) IPv4
12 6 (2.45%) IPv6
13 4 (1.63%) Converged Networks
13 4 (1.63%) Internet
13 4 (1.63%) VSAN
Database & Business Intelligence
1 43 (17.55%) SQL Server
2 32 (13.06%) Relational Database
3 23 (9.39%) Oracle Database
3 23 (9.39%) PostgreSQL
4 16 (6.53%) MySQL
5 11 (4.49%) Apache Cassandra
5 11 (4.49%) Oracle BI EE
5 11 (4.49%) Redis
6 10 (4.08%) Oracle Database 10g
6 10 (4.08%) Oracle Database 11g
6 10 (4.08%) Oracle Database 12c
7 9 (3.67%) NoSQL
7 9 (3.67%) RDBMS
8 7 (2.86%) MongoDB
8 7 (2.86%) SQL Server 2012
9 6 (2.45%) SQL Server 2019
10 5 (2.04%) Data Warehouse
10 5 (2.04%) SAP BW
10 5 (2.04%) SQL Server 2008
11 4 (1.63%) Oracle Reports
Development Applications
1 51 (20.82%) Jenkins
2 29 (11.84%) Git (software)
3 14 (5.71%) JIRA
4 9 (3.67%) Maven
5 8 (3.27%) Subversion
6 7 (2.86%) Gradle
7 4 (1.63%) Bitbucket
7 4 (1.63%) JUnit
8 3 (1.22%) Hudson
8 3 (1.22%) TeamCity
9 2 (0.82%) Axure RP
9 2 (0.82%) Balsamiq
9 2 (0.82%) Serena SBM
10 1 (0.41%) ER Studio
10 1 (0.41%) ERwin
10 1 (0.41%) IBM UrbanCode
10 1 (0.41%) Sonatype Nexus
10 1 (0.41%) VSS/SourceSafe
General
1 47 (19.18%) Finance
2 42 (17.14%) Social Skills
3 30 (12.24%) Banking
4 26 (10.61%) Analytical Skills
5 16 (6.53%) Public Sector
6 12 (4.90%) Documentation Skills
7 6 (2.45%) Marketing
8 4 (1.63%) Retail
9 3 (1.22%) Financial Institution
9 3 (1.22%) Investment Banking
9 3 (1.22%) Organisational Skills
9 3 (1.22%) Presentation Skills
10 2 (0.82%) Multimedia
10 2 (0.82%) Pharmaceutical
10 2 (0.82%) Telecoms
11 1 (0.41%) Automotive
11 1 (0.41%) Electronics
11 1 (0.41%) International Banking
11 1 (0.41%) Legal
11 1 (0.41%) Manufacturing
Job Titles
1 45 (18.37%) Architect
2 27 (11.02%) Developer
3 25 (10.20%) Administrator
4 24 (9.80%) DBA
4 24 (9.80%) Java Developer
5 23 (9.39%) Technical Architect
6 16 (6.53%) Consultant
6 16 (6.53%) Solutions Architect
7 12 (4.90%) Infrastructure Engineer
7 12 (4.90%) Oracle DBA
8 11 (4.49%) AWS Developer
8 11 (4.49%) Service Operations Specialist
8 11 (4.49%) Systems Administrator
9 10 (4.08%) Systems Engineer
10 9 (3.67%) Senior Developer
10 9 (3.67%) SQL DBA
11 8 (3.27%) Java Architect
11 8 (3.27%) Java Solutions Architect
11 8 (3.27%) Oracle Applications DBA
11 8 (3.27%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 49 (20.00%) REST
2 35 (14.29%) Spring
3 31 (12.65%) Middleware
4 29 (11.84%) HTML
5 25 (10.20%) HTML5
6 20 (8.16%) Hibernate
6 20 (8.16%) JMS
7 18 (7.35%) JDBC
8 17 (6.94%) Spring Boot
9 16 (6.53%) AngularJS
10 15 (6.12%) Ajax
10 15 (6.12%) Apache Camel
10 15 (6.12%) GWT
10 15 (6.12%) jQuery
10 15 (6.12%) JSF
11 14 (5.71%) OSGi
12 13 (5.31%) LDAP
12 13 (5.31%) Web Services
13 11 (4.49%) Java EE
13 11 (4.49%) SOAP
Miscellaneous
1 30 (12.24%) Data Centre
2 28 (11.43%) Enterprise Software
3 19 (7.76%) Replication
4 16 (6.53%) EMC VNX
5 15 (6.12%) Management Information System
6 12 (4.90%) User Experience
7 11 (4.49%) Data Structures
8 10 (4.08%) PKI
9 8 (3.27%) LPAR
10 6 (2.45%) Greenfield Project
11 4 (1.63%) Hybrid Cloud
12 3 (1.22%) NHS
13 2 (0.82%) Driving Licence
13 2 (0.82%) HACMP
13 2 (0.82%) Public Cloud
13 2 (0.82%) Virtual Team
14 1 (0.41%) Enterprise Cloud
14 1 (0.41%) Linux Command Line
14 1 (0.41%) Private Cloud
14 1 (0.41%) Self-Motivation
Operating Systems
1 105 (42.86%) Linux
2 91 (37.14%) Windows
3 64 (26.12%) Windows Server
4 52 (21.22%) Red Hat Enterprise Linux
5 49 (20.00%) Windows Server 2012
6 44 (17.96%) Unix
7 30 (12.24%) Windows 10
8 25 (10.20%) Windows Server 2016
9 24 (9.80%) AIX
10 23 (9.39%) Windows XP
11 22 (8.98%) Windows Server 2008
12 19 (7.76%) Solaris
13 14 (5.71%) Windows Server 2019
14 10 (4.08%) Windows Server 2003
15 7 (2.86%) SUSE
16 6 (2.45%) Windows Vista
17 5 (2.04%) Oracle Linux
18 3 (1.22%) CentOS
18 3 (1.22%) Windows 7
19 2 (0.82%) Ubuntu
Processes & Methodologies
1 56 (22.86%) High Availability
1 56 (22.86%) Performance Tuning
2 49 (20.00%) Agile Software Development
3 43 (17.55%) Microservices
4 33 (13.47%) Continuous Integration
5 32 (13.06%) ITIL
6 31 (12.65%) Problem-Solving
7 30 (12.24%) Migration
8 29 (11.84%) OO
9 28 (11.43%) Scalability Testing
10 27 (11.02%) Scrum
11 25 (10.20%) Performance Monitoring
11 25 (10.20%) Web Development
12 23 (9.39%) Infrastructure Engineering
13 22 (8.98%) Load Balancing
14 21 (8.57%) Mentoring
15 20 (8.16%) Continuous Improvement
15 20 (8.16%) Open Source
16 19 (7.76%) Capacity Planning
16 19 (7.76%) Configuration Management
Programming Languages
1 61 (24.90%) Java
2 45 (18.37%) SQL
3 42 (17.14%) PowerShell
4 37 (15.10%) JavaScript
5 31 (12.65%) Python
6 20 (8.16%) Shell Script
7 19 (7.76%) Java 8
8 11 (4.49%) Bash Shell
9 8 (3.27%) Go
10 7 (2.86%) PHP
10 7 (2.86%) PL/SQL
11 6 (2.45%) Perl
11 6 (2.45%) TypeScript
12 3 (1.22%) C
12 3 (1.22%) T-SQL
13 2 (0.82%) VBScript
14 1 (0.41%) C#
14 1 (0.41%) C++
14 1 (0.41%) VB.NET
14 1 (0.41%) VBA
Qualifications
1 67 (27.35%) Security Cleared
2 39 (15.92%) SC Cleared
3 24 (9.80%) DV Cleared
4 14 (5.71%) Degree
5 8 (3.27%) AWS Certification
5 8 (3.27%) Computer Science Degree
5 8 (3.27%) Master's Degree
6 7 (2.86%) Microsoft Certification
6 7 (2.86%) VMware Certified Professional (VCP)
7 5 (2.04%) MCITP
8 4 (1.63%) MCSA
9 3 (1.22%) VCP6
10 2 (0.82%) CCNA
10 2 (0.82%) Cisco Certification
11 1 (0.41%) BPSS Clearance
11 1 (0.41%) DBS Check
11 1 (0.41%) MCSE
Quality Assurance & Compliance
1 10 (4.08%) QA
2 7 (2.86%) GDPR
2 7 (2.86%) Sarbanes-Oxley
3 4 (1.63%) SLA
4 3 (1.22%) ISO/IEC 27001
4 3 (1.22%) MiFID
5 1 (0.41%) Data Quality
5 1 (0.41%) Disclosure Scotland
5 1 (0.41%) IFRS
System Software
1 73 (29.80%) VMware Infrastructure
2 71 (28.98%) Active Directory
3 32 (13.06%) VMware ESXi
4 25 (10.20%) Docker
4 25 (10.20%) Virtual Machines
5 23 (9.39%) Hyper-V
6 13 (5.31%) vSphere
7 9 (3.67%) DFS Replication
8 8 (3.27%) GPFS
8 8 (3.27%) Microsoft App-V
8 8 (3.27%) NFS
8 8 (3.27%) PowerHA
8 8 (3.27%) Virtual Desktop
9 7 (2.86%) Oracle RAC
9 7 (2.86%) Postfix
9 7 (2.86%) qmail
9 7 (2.86%) VMware NSX
10 4 (1.63%) vCloud
10 4 (1.63%) Veritas File System
11 3 (1.22%) Veritas Cluster Server
Systems Management
1 45 (18.37%) Microsoft Clustering
2 42 (17.14%) Ansible
3 27 (11.02%) SCCM
4 24 (9.80%) Kubernetes
5 22 (8.98%) Failover Clustering
6 18 (7.35%) Puppet
7 17 (6.94%) IBM BigFix
8 16 (6.53%) Microsoft Intune
9 15 (6.12%) Oracle RMAN
10 14 (5.71%) Terraform
11 13 (5.31%) Opscode Chef
11 13 (5.31%) vCenter Server
12 12 (4.90%) Salt
13 11 (4.49%) SCOM
13 11 (4.49%) WSUS
14 10 (4.08%) OpenView Configuration Management
14 10 (4.08%) Red Hat Satellite
15 9 (3.67%) Microsoft Data Protection Manager
16 8 (3.27%) SCDPM
16 8 (3.27%) SCSM
Vendors
1 90 (36.73%) VMware
2 76 (31.02%) Oracle
3 54 (22.04%) Red Hat
4 53 (21.63%) Microsoft
5 35 (14.29%) IBM
6 25 (10.20%) EMC
7 23 (9.39%) Dell
8 21 (8.57%) HP
9 18 (7.35%) Veritas
10 17 (6.94%) Symantec
11 14 (5.71%) Cisco
12 13 (5.31%) SaltStack
12 13 (5.31%) SAP
13 10 (4.08%) Citrix
13 10 (4.08%) F5
14 9 (3.67%) Borland
14 9 (3.67%) Lumension
15 8 (3.27%) ArcSight
15 8 (3.27%) BMC
16 7 (2.86%) NetApp