Period
to 24 July 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 24 July 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
24 Jul 2021
Same period 2020 Same period 2019
Rank 436 402 445
Rank change year-on-year -34 +43 -6
Contract jobs citing Clustering 268 151 439
As % of all contract jobs advertised in England 0.47% 0.45% 0.52%
As % of the Miscellaneous category 1.54% 1.46% 1.78%
Number of daily rates quoted 190 94 293
10th Percentile £325 £272 £346
25th Percentile £393 £375 £385
Median daily rate (50th Percentile) £475 £449 £450
Median % change year-on-year +5.79% -0.22% +12.50%
75th Percentile £575 £517 £525
90th Percentile £639 £600 £575
UK median daily rate £475 £438 £446
% change year-on-year +8.57% -1.91% +11.50%
Number of hourly rates quoted 2 6 2
10th Percentile £52.13 £35.19 £39.98
25th Percentile £53.44 £36.10 £41.06
Median hourly rate £56.25 £43.00 £44.56
Median % change year-on-year +30.81% -3.49% +3.12%
75th Percentile £58.44 £47.69 £46.87
90th Percentile £59.38 £54.67 £47.25
UK median hourly rate £56.25 £46.50 £44.56
% change year-on-year +20.97% +4.37% +3.12%

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 17,353 10,358 24,702
As % of all contract IT jobs advertised in England 30.66% 31.03% 29.49%
Number of daily rates quoted 11,851 6,992 16,431
10th Percentile £303 £269 £288
25th Percentile £406 £397 £381
Median daily rate (50th Percentile) £510 £500 £475
Median % change year-on-year +2.00% +5.26% -
75th Percentile £625 £613 £588
90th Percentile £713 £725 £675
UK median daily rate £500 £495 £475
% change year-on-year +1.01% +4.21% -
Number of hourly rates quoted 627 357 820
10th Percentile £12.00 £12.42 £11.85
25th Percentile £15.21 £16.25 £14.06
Median hourly rate £24.27 £25.50 £20.50
Median % change year-on-year -4.82% +24.39% -14.58%
75th Percentile £47.50 £47.25 £46.36
90th Percentile £60.70 £54.25 £53.00
UK median hourly rate £24.04 £25.00 £20.00
% change year-on-year -3.84% +25.00% -13.04%

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 24 July 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 24 July 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 -42 139 £525 +20.34% 35
South East -31 46 £405 -12.43% 10
North of England -30 29 £375 -9.64% 13
North West -8 25 £366 -9.63% 11
East of England -10 16 £315 -38.89% 4
South West -8 15 £425 -1.16% 5
Midlands -32 8 £403 -10.56% 16
West Midlands -37 6 £403 -10.56% 10
North East -4 3 £450 +71.43%
East Midlands -16 2 £400 - 6
Yorkshire -25 1 £500 +17.65% 2
Clustering
UK

For the 6 months to 24 July 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.

1 115 (42.91%) Windows
2 97 (36.19%) Linux
3 96 (35.82%) VMware
4 85 (31.72%) Active Directory
5 77 (28.73%) Oracle
5 77 (28.73%) VMware Infrastructure
6 75 (27.99%) Windows Server
7 71 (26.49%) Azure
8 70 (26.12%) Microsoft
9 66 (24.63%) SQL
10 60 (22.39%) AWS
10 60 (22.39%) Security Cleared
11 59 (22.01%) Java
12 54 (20.15%) Social Skills
13 53 (19.78%) DNS
13 53 (19.78%) PowerShell
14 51 (19.03%) Ansible
15 50 (18.66%) High Availability
15 50 (18.66%) Windows Server 2012
16 49 (18.28%) ITIL
17 48 (17.91%) Python
18 45 (16.79%) Finance
19 43 (16.04%) Unix
19 43 (16.04%) Microsoft Clustering
20 42 (15.67%) Performance Tuning
20 42 (15.67%) Red Hat
20 42 (15.67%) Agile Software Development
21 40 (14.93%) SQL Server
21 40 (14.93%) VMware ESXi
21 40 (14.93%) Red Hat Enterprise Linux

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 39 (14.55%) SharePoint
2 28 (10.45%) MS Exchange
3 24 (8.96%) Apache
4 16 (5.97%) IIS
4 16 (5.97%) WebSphere
5 13 (4.85%) Tomcat
6 12 (4.48%) MS Project Server
7 11 (4.10%) Confluence
8 9 (3.36%) Red Hat Fuse
8 9 (3.36%) SAP Portal
9 8 (2.99%) Exchange Server 2010
9 8 (2.99%) WebSphere Application Server
10 7 (2.61%) Anypoint
10 7 (2.61%) Skype for Business
10 7 (2.61%) WebLogic
11 6 (2.24%) Apache ServiceMix
11 6 (2.24%) IBM Domino
11 6 (2.24%) Oracle SOA Suite
11 6 (2.24%) WebLogic Portal
12 5 (1.87%) OpenStack
Applications
1 18 (6.72%) Microsoft Office
2 4 (1.49%) MS Visio
Business Applications
1 8 (2.99%) Oracle Applications
1 8 (2.99%) Oracle EBS
2 6 (2.24%) Magento
2 6 (2.24%) Shopify
3 2 (0.75%) Oracle EBS R12
3 2 (0.75%) Oracle Financials
3 2 (0.75%) Remedy ITSM
4 1 (0.37%) Maximo
Cloud Services
1 71 (26.49%) Azure
2 60 (22.39%) AWS
3 29 (10.82%) GitHub
4 23 (8.58%) Microsoft 365
5 20 (7.46%) IaaS
6 19 (7.09%) PaaS
7 17 (6.34%) GCP
8 16 (5.97%) SaaS
9 15 (5.60%) Cloud Computing
10 13 (4.85%) Amazon ECS
11 11 (4.10%) AWS CloudFormation
12 8 (2.99%) Snowflake
13 7 (2.61%) Azure Active Directory
14 6 (2.24%) AWS Lambda
14 6 (2.24%) Serverless
15 5 (1.87%) Mimecast
15 5 (1.87%) OpenShift
16 4 (1.49%) Amazon ElastiCache
16 4 (1.49%) Amazon Kinesis
16 4 (1.49%) dbt
Communications & Networking
1 53 (19.78%) DNS
2 33 (12.31%) SAN
3 31 (11.57%) DHCP
3 31 (11.57%) Firewall
4 30 (11.19%) TCP/IP
5 20 (7.46%) SSL
5 20 (7.46%) WAN
6 15 (5.60%) iSCSI
7 13 (4.85%) LAN
8 12 (4.48%) Kerberos
9 11 (4.10%) HTTP
9 11 (4.10%) NAS
10 7 (2.61%) FTP
11 6 (2.24%) Converged Networks
11 6 (2.24%) NetScaler
11 6 (2.24%) Remote Desktop
11 6 (2.24%) SSH
11 6 (2.24%) VPN
11 6 (2.24%) Wireless
12 5 (1.87%) Internet
Database & Business Intelligence
1 40 (14.93%) SQL Server
2 27 (10.07%) Oracle Database
3 26 (9.70%) Relational Database
4 25 (9.33%) PostgreSQL
5 19 (7.09%) MySQL
6 14 (5.22%) SQL Server 2012
7 11 (4.10%) Oracle Database 11g
7 11 (4.10%) Oracle Database 12c
7 11 (4.10%) SQL Server 2019
8 10 (3.73%) Looker
8 10 (3.73%) SQL Server 2016
9 9 (3.36%) SAP BW
9 9 (3.36%) SQL Server 2014
10 8 (2.99%) SQL Server 2008
11 7 (2.61%) NoSQL
11 7 (2.61%) Redis
11 7 (2.61%) Tableau
12 6 (2.24%) Apache Cassandra
12 6 (2.24%) MongoDB
12 6 (2.24%) Oracle BI EE
Development Applications
1 37 (13.81%) Jenkins
2 32 (11.94%) Git (software)
3 18 (6.72%) JIRA
4 17 (6.34%) Subversion
5 8 (2.99%) Maven
5 8 (2.99%) TeamCity
6 7 (2.61%) Bitbucket
7 4 (1.49%) Serena SBM
8 3 (1.12%) Gradle
8 3 (1.12%) SQL Server Management Studio (SSMS)
9 2 (0.75%) Hudson
10 1 (0.37%) Artifactory
10 1 (0.37%) IBM UrbanCode
10 1 (0.37%) NetBeans
10 1 (0.37%) Sonatype Nexus
10 1 (0.37%) VSS/SourceSafe
General
1 54 (20.15%) Social Skills
2 45 (16.79%) Finance
3 31 (11.57%) Banking
4 20 (7.46%) Analytical Skills
5 19 (7.09%) Public Sector
6 14 (5.22%) Documentation Skills
7 7 (2.61%) Marketing
8 4 (1.49%) Organisational Skills
9 3 (1.12%) Investment Banking
9 3 (1.12%) Legal
9 3 (1.12%) Presentation Skills
9 3 (1.12%) Telecoms
10 2 (0.75%) Electronics
10 2 (0.75%) Financial Institution
10 2 (0.75%) International Banking
10 2 (0.75%) Manufacturing
10 2 (0.75%) Pharmaceutical
11 1 (0.37%) German Language
11 1 (0.37%) Local Government
11 1 (0.37%) Spanish Language
Job Titles
1 31 (11.57%) Architect
2 30 (11.19%) Administrator
2 30 (11.19%) Developer
3 25 (9.33%) DBA
4 22 (8.21%) Infrastructure Engineer
5 19 (7.09%) Java Developer
6 14 (5.22%) Consultant
7 13 (4.85%) 3rd Line Engineer
7 13 (4.85%) Systems Engineer
8 12 (4.48%) Solutions Architect
8 12 (4.48%) Technical Architect
9 11 (4.10%) Oracle DBA
9 11 (4.10%) Service Operations Specialist
10 10 (3.73%) Build Engineer
10 10 (3.73%) SQL DBA
10 10 (3.73%) Systems Administrator
11 9 (3.36%) 3rd Line Infrastructure Engineer
11 9 (3.36%) SAP Basis Consultant
11 9 (3.36%) SAP Consultant
11 9 (3.36%) Support Engineer
Libraries, Frameworks & Software Standards
1 33 (12.31%) REST
2 26 (9.70%) Spring
3 19 (7.09%) HTML
3 19 (7.09%) Middleware
4 18 (6.72%) LDAP
5 17 (6.34%) HTML5
6 16 (5.97%) JMS
7 15 (5.60%) Hibernate
8 13 (4.85%) WebSphere MQ
9 11 (4.10%) JDBC
9 11 (4.10%) Kafka
9 11 (4.10%) Node.js
10 10 (3.73%) AngularJS
10 10 (3.73%) Java EE
10 10 (3.73%) Spring Boot
10 10 (3.73%) Web Services
11 9 (3.36%) Ajax
11 9 (3.36%) Apache Camel
11 9 (3.36%) JSF
11 9 (3.36%) SAP Basis
Miscellaneous
1 36 (13.43%) Data Centre
2 30 (11.19%) Replication
3 19 (7.09%) Enterprise Software
4 17 (6.34%) PKI
5 14 (5.22%) Management Information System
6 12 (4.48%) User Experience
7 10 (3.73%) Legacy Systems
8 9 (3.36%) Data Structures
9 6 (2.24%) Algorithms
9 6 (2.24%) Public Cloud
10 4 (1.49%) Greenfield Project
10 4 (1.49%) Hybrid Cloud
11 3 (1.12%) Driving Licence
11 3 (1.12%) EMC VNX
11 3 (1.12%) Microsoft Licensing
12 2 (0.75%) Data Protection Act
12 2 (0.75%) EMC VMAX
12 2 (0.75%) Mainframe
12 2 (0.75%) NHS
12 2 (0.75%) Virtual Team
Operating Systems
1 115 (42.91%) Windows
2 97 (36.19%) Linux
3 75 (27.99%) Windows Server
4 50 (18.66%) Windows Server 2012
5 43 (16.04%) Unix
6 40 (14.93%) Red Hat Enterprise Linux
7 34 (12.69%) Windows Server 2016
8 28 (10.45%) Windows Server 2008
9 23 (8.58%) AIX
10 21 (7.84%) Windows 10
11 19 (7.09%) Windows Server 2019
12 18 (6.72%) Solaris
13 13 (4.85%) Windows Server 2003
14 12 (4.48%) SUSE
15 11 (4.10%) Windows XP
16 8 (2.99%) Oracle Linux
17 7 (2.61%) CentOS
18 6 (2.24%) Windows Vista
19 5 (1.87%) zOS
20 4 (1.49%) Windows 7
Processes & Methodologies
1 50 (18.66%) High Availability
2 49 (18.28%) ITIL
3 42 (15.67%) Agile Software Development
3 42 (15.67%) Performance Tuning
4 35 (13.06%) Infrastructure Engineering
4 35 (13.06%) Migration
5 33 (12.31%) Problem-Solving
6 31 (11.57%) Microservices
7 27 (10.07%) Load Balancing
8 24 (8.96%) Continuous Integration
9 22 (8.21%) Capacity Planning
9 22 (8.21%) Performance Monitoring
10 21 (7.84%) Web Development
11 20 (7.46%) Configuration Management
12 19 (7.09%) Event-Driven
12 19 (7.09%) OO
12 19 (7.09%) Scalability Testing
13 17 (6.34%) Disaster Recovery
13 17 (6.34%) Open Source
13 17 (6.34%) Problem Management
Programming Languages
1 66 (24.63%) SQL
2 59 (22.01%) Java
3 53 (19.78%) PowerShell
4 48 (17.91%) Python
5 29 (10.82%) Shell Script
6 27 (10.07%) JavaScript
7 18 (6.72%) Bash Shell
8 10 (3.73%) LookML
8 10 (3.73%) PL/SQL
9 9 (3.36%) Java 8
10 7 (2.61%) Perl
11 6 (2.24%) Go
11 6 (2.24%) PHP
11 6 (2.24%) T-SQL
11 6 (2.24%) TypeScript
12 5 (1.87%) C++
12 5 (1.87%) Ruby
13 3 (1.12%) C
13 3 (1.12%) C#
13 3 (1.12%) VBA
Qualifications
1 60 (22.39%) Security Cleared
2 32 (11.94%) SC Cleared
3 30 (11.19%) DV Cleared
4 13 (4.85%) Degree
5 12 (4.48%) Microsoft Certification
6 9 (3.36%) VMware Certified Professional (VCP)
7 8 (2.99%) MCITP
8 7 (2.61%) MCSE
9 6 (2.24%) AWS Certification
10 4 (1.49%) MCSA
11 3 (1.12%) CCNA
11 3 (1.12%) Cisco Certification
11 3 (1.12%) Computer Science Degree
11 3 (1.12%) DBS Check
11 3 (1.12%) Master's Degree
11 3 (1.12%) VCP6
12 2 (0.75%) ITIL Foundation Certificate
12 2 (0.75%) MCP
12 2 (0.75%) RHCSA
13 1 (0.37%) MCSD
Quality Assurance & Compliance
1 9 (3.36%) GDPR
1 9 (3.36%) Sarbanes-Oxley
2 7 (2.61%) ISO/IEC 27001
3 6 (2.24%) QA
4 5 (1.87%) SLA
5 3 (1.12%) PCI DSS
6 1 (0.37%) Data Quality
6 1 (0.37%) Disclosure Scotland
6 1 (0.37%) IFRS
6 1 (0.37%) ISO 22301
6 1 (0.37%) ISO 9001
6 1 (0.37%) MiFID
6 1 (0.37%) NIST
System Software
1 85 (31.72%) Active Directory
2 77 (28.73%) VMware Infrastructure
3 40 (14.93%) VMware ESXi
4 29 (10.82%) Hyper-V
5 28 (10.45%) Virtual Machines
6 22 (8.21%) Docker
7 16 (5.97%) vSphere
8 14 (5.22%) DFS Replication
9 13 (4.85%) NFS
10 10 (3.73%) Microsoft App-V
10 10 (3.73%) Virtual Desktop
11 9 (3.36%) Oracle RAC
12 7 (2.61%) VMware NSX
13 6 (2.24%) Postfix
13 6 (2.24%) qmail
13 6 (2.24%) XenApp
14 5 (1.87%) Virtual Servers
15 4 (1.49%) vCloud
15 4 (1.49%) Veritas File System
16 3 (1.12%) Citrix Hypervisor
Systems Management
1 51 (19.03%) Ansible
2 43 (16.04%) Microsoft Clustering
3 26 (9.70%) SCCM
4 25 (9.33%) Opscode Chef
5 23 (8.58%) Failover Clustering
5 23 (8.58%) Puppet
6 21 (7.84%) Kubernetes
7 18 (6.72%) SCOM
8 16 (5.97%) Data Guard
8 16 (5.97%) vCenter Server
9 15 (5.60%) Oracle RMAN
9 15 (5.60%) Terraform
10 13 (4.85%) WSUS
11 12 (4.48%) OpenView Configuration Management
11 12 (4.48%) Salt
12 11 (4.10%) Microsoft Data Protection Manager
12 11 (4.10%) SCVMM
13 10 (3.73%) SCDPM
13 10 (3.73%) SCSM
14 9 (3.36%) Tivoli Storage Manager
Vendors
1 96 (35.82%) VMware
2 77 (28.73%) Oracle
3 70 (26.12%) Microsoft
4 42 (15.67%) Red Hat
5 34 (12.69%) IBM
6 26 (9.70%) HP
7 23 (8.58%) Dell
8 20 (7.46%) SAP
9 19 (7.09%) EMC
10 18 (6.72%) Cisco
10 18 (6.72%) Symantec
10 18 (6.72%) Veritas
11 16 (5.97%) Citrix
12 14 (5.22%) SaltStack
13 12 (4.48%) Splunk
14 11 (4.10%) BMC
15 10 (3.73%) ArcSight
15 10 (3.73%) Borland
15 10 (3.73%) F5
15 10 (3.73%) Lumension