Period
to 24 July 2021

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 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
6 months to
24 Jul 2021
Same period 2020 Same period 2019
Rank 447 414 439
Rank change year-on-year -33 +25 -13
Contract jobs citing Clustering 318 161 497
As % of all contract jobs advertised in the UK 0.45% 0.43% 0.54%
As % of the Miscellaneous category 1.50% 1.40% 1.85%
Number of daily rates quoted 217 101 332
10th Percentile £328 £280 £326
25th Percentile £400 £375 £375
Median daily rate (50th Percentile) £475 £438 £446
Median % change year-on-year +8.57% -1.91% +11.50%
75th Percentile £550 £501 £520
90th Percentile £638 £600 £575
UK excluding London median daily rate £405 £440 £425
% change year-on-year -7.85% +3.41% +17.24%
Number of hourly rates quoted 2 7 2
10th Percentile £52.13 £35.23 £39.98
25th Percentile £53.44 £36.82 £41.06
Median hourly rate £56.25 £46.50 £44.56
Median % change year-on-year +20.97% +4.37% +3.12%
75th Percentile £58.44 £52.67 £46.87
90th Percentile £59.38 £59.10 £47.25
UK excluding London median hourly rate - £39.50 -

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 21,244 11,465 26,846
As % of all contract IT jobs advertised in the UK 29.84% 30.56% 29.19%
Number of daily rates quoted 14,480 7,583 17,666
10th Percentile £306 £263 £281
25th Percentile £406 £381 £375
Median daily rate (50th Percentile) £500 £495 £475
Median % change year-on-year +1.01% +4.21% -
75th Percentile £615 £600 £575
90th Percentile £706 £719 £675
UK excluding London median daily rate £445 £438 £425
% change year-on-year +1.71% +2.94% +2.41%
Number of hourly rates quoted 710 419 910
10th Percentile £11.75 £12.42 £11.79
25th Percentile £15.04 £16.38 £14.00
Median hourly rate £24.04 £25.00 £20.00
Median % change year-on-year -3.84% +25.00% -13.04%
75th Percentile £47.87 £46.25 £45.00
90th Percentile £61.63 £55.00 £52.50
UK excluding London median hourly rate £20.50 £21.54 £18.33
% change year-on-year -4.81% +17.48% -20.30%

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 24 July 2021.

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
Top 17 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 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
England -34 268 £475 +5.79% 84
London -42 139 £525 +20.34% 35
UK excluding London -39 137 £405 -7.85% 56
Work from Home -199 83 £500 +14.29% 18
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
Scotland -51 13 £375 -9.91% 3
Midlands -32 8 £403 -10.56% 16
West Midlands -37 6 £403 -10.56% 10
Northern Ireland - 6 £450 - 2
Wales - 4 £498 - 3
North East -4 3 £450 +71.43%
East Midlands -16 2 £400 - 6
Yorkshire -25 1 £500 +17.65% 2

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 with a requirement for Clustering.

1 139 (43.71%) Windows
2 119 (37.42%) Linux
3 111 (34.91%) VMware
4 93 (29.25%) Active Directory
5 92 (28.93%) Oracle
6 90 (28.30%) Microsoft
7 89 (27.99%) VMware Infrastructure
8 84 (26.42%) Windows Server
9 83 (26.10%) Azure
10 78 (24.53%) SQL
11 69 (21.70%) Security Cleared
12 68 (21.38%) AWS
13 67 (21.07%) Java
14 63 (19.81%) PowerShell
15 62 (19.50%) Python
16 61 (19.18%) Ansible
17 60 (18.87%) Social Skills
18 58 (18.24%) DNS
19 57 (17.92%) Windows Server 2012
20 55 (17.30%) High Availability
21 53 (16.67%) Finance
21 53 (16.67%) Data Centre
22 52 (16.35%) SQL Server
23 51 (16.04%) Unix
24 50 (15.72%) ITIL
24 50 (15.72%) Red Hat
25 47 (14.78%) Migration
25 47 (14.78%) Red Hat Enterprise Linux
26 46 (14.47%) Agile Software Development
27 45 (14.15%) Performance Tuning

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 39 (12.26%) SharePoint
2 32 (10.06%) MS Exchange
3 30 (9.43%) Apache
4 22 (6.92%) WebSphere
5 17 (5.35%) IIS
6 13 (4.09%) Tomcat
6 13 (4.09%) WebLogic
7 12 (3.77%) Exchange Server 2010
7 12 (3.77%) MS Project Server
8 11 (3.46%) Confluence
9 9 (2.83%) Red Hat Fuse
9 9 (2.83%) SAP Portal
10 8 (2.52%) WebSphere Application Server
11 7 (2.20%) Anypoint
11 7 (2.20%) JBoss
11 7 (2.20%) Skype for Business
12 6 (1.89%) Apache ServiceMix
12 6 (1.89%) IBM Domino
12 6 (1.89%) Oracle SOA Suite
12 6 (1.89%) WebLogic Portal
Applications
1 18 (5.66%) Microsoft Office
2 10 (3.14%) MS Visio
3 6 (1.89%) Microsoft PowerPoint
3 6 (1.89%) Microsoft Project
Business Applications
1 8 (2.52%) Oracle Applications
1 8 (2.52%) Oracle EBS
2 6 (1.89%) Magento
2 6 (1.89%) Shopify
3 3 (0.94%) Remedy ITSM
4 2 (0.63%) Oracle EBS R12
4 2 (0.63%) Oracle Financials
5 1 (0.31%) Maximo
5 1 (0.31%) SAP S/4HANA
Cloud Services
1 83 (26.10%) Azure
2 68 (21.38%) AWS
3 30 (9.43%) GitHub
4 28 (8.81%) IaaS
5 27 (8.49%) Microsoft 365
6 26 (8.18%) PaaS
7 18 (5.66%) GCP
8 16 (5.03%) SaaS
9 15 (4.72%) Cloud Computing
10 14 (4.40%) Amazon ECS
11 11 (3.46%) AWS CloudFormation
12 8 (2.52%) Snowflake
13 7 (2.20%) Azure Active Directory
14 6 (1.89%) AWS Lambda
14 6 (1.89%) Serverless
15 5 (1.57%) Mimecast
15 5 (1.57%) OpenShift
16 4 (1.26%) Amazon ElastiCache
16 4 (1.26%) Amazon Kinesis
16 4 (1.26%) dbt
Communications & Networking
1 58 (18.24%) DNS
2 43 (13.52%) SAN
3 37 (11.64%) DHCP
4 34 (10.69%) WAN
5 32 (10.06%) Firewall
6 31 (9.75%) TCP/IP
7 27 (8.49%) LAN
8 20 (6.29%) SSL
9 16 (5.03%) iSCSI
10 12 (3.77%) Kerberos
10 12 (3.77%) NAS
11 11 (3.46%) HTTP
12 7 (2.20%) FTP
12 7 (2.20%) Remote Desktop
13 6 (1.89%) Converged Networks
13 6 (1.89%) NetScaler
13 6 (1.89%) Network Security
13 6 (1.89%) SSH
13 6 (1.89%) VPN
13 6 (1.89%) Wireless
Database & Business Intelligence
1 52 (16.35%) SQL Server
2 32 (10.06%) Relational Database
3 31 (9.75%) Oracle Database
4 28 (8.81%) PostgreSQL
5 23 (7.23%) MySQL
6 15 (4.72%) Oracle Database 11g
6 15 (4.72%) Oracle Database 12c
6 15 (4.72%) SQL Server 2012
7 12 (3.77%) SQL Server 2019
8 11 (3.46%) SQL Server 2016
9 10 (3.14%) Looker
9 10 (3.14%) RDBMS
9 10 (3.14%) SQL Server 2014
10 9 (2.83%) NoSQL
10 9 (2.83%) SAP BW
10 9 (2.83%) SQL Server 2008
11 8 (2.52%) MongoDB
11 8 (2.52%) Oracle Reports
12 7 (2.20%) Redis
12 7 (2.20%) Tableau
Development Applications
1 38 (11.95%) Jenkins
2 33 (10.38%) Git (software)
3 18 (5.66%) JIRA
4 17 (5.35%) Subversion
5 8 (2.52%) Bitbucket
5 8 (2.52%) Maven
5 8 (2.52%) TeamCity
6 4 (1.26%) Serena SBM
7 3 (0.94%) Gradle
7 3 (0.94%) SQL Server Management Studio (SSMS)
8 2 (0.63%) Hudson
8 2 (0.63%) Oracle Forms
9 1 (0.31%) Artifactory
9 1 (0.31%) GitLab
9 1 (0.31%) IBM UrbanCode
9 1 (0.31%) JUnit
9 1 (0.31%) NetBeans
9 1 (0.31%) Sonatype Nexus
9 1 (0.31%) VSS/SourceSafe
General
1 60 (18.87%) Social Skills
2 53 (16.67%) Finance
3 32 (10.06%) Banking
4 28 (8.81%) Analytical Skills
5 27 (8.49%) Public Sector
6 14 (4.40%) Documentation Skills
7 11 (3.46%) Marketing
8 6 (1.89%) Organisational Skills
9 3 (0.94%) Investment Banking
9 3 (0.94%) Legal
9 3 (0.94%) Manufacturing
9 3 (0.94%) Presentation Skills
9 3 (0.94%) Telecoms
10 2 (0.63%) Electronics
10 2 (0.63%) Financial Institution
10 2 (0.63%) International Banking
10 2 (0.63%) Pharmaceutical
11 1 (0.31%) German Language
11 1 (0.31%) Local Government
11 1 (0.31%) Spanish Language
Job Titles
1 46 (14.47%) Architect
2 34 (10.69%) Developer
3 33 (10.38%) Administrator
4 28 (8.81%) DBA
5 23 (7.23%) Infrastructure Engineer
6 19 (5.97%) Java Developer
7 15 (4.72%) Solutions Architect
8 14 (4.40%) Consultant
8 14 (4.40%) Systems Engineer
9 13 (4.09%) 3rd Line Engineer
9 13 (4.09%) Technical Architect
10 11 (3.46%) Oracle DBA
10 11 (3.46%) Service Operations Specialist
10 11 (3.46%) Systems Administrator
11 10 (3.14%) Build Engineer
11 10 (3.14%) SQL DBA
11 10 (3.14%) Support Engineer
12 9 (2.83%) Infrastructure Specialist
12 9 (2.83%) SAP Basis Consultant
12 9 (2.83%) SAP Consultant
Libraries, Frameworks & Software Standards
1 33 (10.38%) REST
2 27 (8.49%) Spring
3 25 (7.86%) Middleware
4 24 (7.55%) HTML
5 18 (5.66%) LDAP
6 17 (5.35%) HTML5
7 16 (5.03%) Hibernate
7 16 (5.03%) JMS
8 13 (4.09%) Node.js
8 13 (4.09%) OSGi
8 13 (4.09%) WebSphere MQ
9 12 (3.77%) Web Services
10 11 (3.46%) AngularJS
10 11 (3.46%) JDBC
10 11 (3.46%) Kafka
11 10 (3.14%) Ajax
11 10 (3.14%) Java EE
11 10 (3.14%) Spring Boot
12 9 (2.83%) GWT
12 9 (2.83%) jQuery
Miscellaneous
1 53 (16.67%) Data Centre
2 39 (12.26%) Replication
3 25 (7.86%) Enterprise Software
4 18 (5.66%) PKI
5 16 (5.03%) Management Information System
6 13 (4.09%) Legacy Systems
7 12 (3.77%) User Experience
8 9 (2.83%) Algorithms
8 9 (2.83%) Data Structures
8 9 (2.83%) Public Cloud
9 7 (2.20%) Private Cloud
10 6 (1.89%) Hybrid Cloud
11 4 (1.26%) Client/Server
11 4 (1.26%) Greenfield Project
12 3 (0.94%) Cloud Native
12 3 (0.94%) Driving Licence
12 3 (0.94%) EMC VMAX
12 3 (0.94%) EMC VNX
12 3 (0.94%) Microsoft Licensing
12 3 (0.94%) Virtual Team
Operating Systems
1 139 (43.71%) Windows
2 119 (37.42%) Linux
3 84 (26.42%) Windows Server
4 57 (17.92%) Windows Server 2012
5 51 (16.04%) Unix
6 47 (14.78%) Red Hat Enterprise Linux
7 39 (12.26%) Windows Server 2016
8 34 (10.69%) Windows Server 2008
9 24 (7.55%) AIX
10 23 (7.23%) Windows Server 2019
11 21 (6.60%) Windows 10
12 20 (6.29%) Solaris
13 13 (4.09%) Windows Server 2003
14 12 (3.77%) SUSE
15 11 (3.46%) Windows XP
16 8 (2.52%) CentOS
16 8 (2.52%) Oracle Linux
17 7 (2.20%) Windows 7
18 6 (1.89%) Windows Vista
19 5 (1.57%) zOS
Processes & Methodologies
1 55 (17.30%) High Availability
2 50 (15.72%) ITIL
3 47 (14.78%) Migration
4 46 (14.47%) Agile Software Development
5 45 (14.15%) Performance Tuning
6 43 (13.52%) Load Balancing
7 38 (11.95%) Infrastructure Engineering
8 36 (11.32%) Problem-Solving
9 31 (9.75%) Microservices
10 26 (8.18%) Analytics
10 26 (8.18%) Continuous Integration
10 26 (8.18%) Disaster Recovery
10 26 (8.18%) Web Development
11 24 (7.55%) Capacity Planning
11 24 (7.55%) Configuration Management
12 22 (6.92%) Performance Monitoring
13 20 (6.29%) DevOps
14 19 (5.97%) Event-Driven
14 19 (5.97%) OO
14 19 (5.97%) Scalability Testing
Programming Languages
1 78 (24.53%) SQL
2 67 (21.07%) Java
3 63 (19.81%) PowerShell
4 62 (19.50%) Python
5 35 (11.01%) Shell Script
6 33 (10.38%) JavaScript
7 24 (7.55%) Bash Shell
8 13 (4.09%) Perl
9 11 (3.46%) PL/SQL
10 10 (3.14%) LookML
10 10 (3.14%) Ruby
11 9 (2.83%) Java 8
12 7 (2.20%) T-SQL
13 6 (1.89%) Go
13 6 (1.89%) PHP
13 6 (1.89%) TypeScript
14 5 (1.57%) C#
14 5 (1.57%) C++
15 3 (0.94%) C
15 3 (0.94%) VBA
Qualifications
1 69 (21.70%) Security Cleared
2 41 (12.89%) SC Cleared
3 30 (9.43%) DV Cleared
4 13 (4.09%) Degree
4 13 (4.09%) Microsoft Certification
5 9 (2.83%) VMware Certified Professional (VCP)
6 8 (2.52%) MCITP
6 8 (2.52%) MCSE
7 6 (1.89%) AWS Certification
8 4 (1.26%) MCSA
9 3 (0.94%) CCNA
9 3 (0.94%) Cisco Certification
9 3 (0.94%) Computer Science Degree
9 3 (0.94%) DBS Check
9 3 (0.94%) Master's Degree
9 3 (0.94%) VCP6
10 2 (0.63%) ITIL Foundation Certificate
10 2 (0.63%) MCP
10 2 (0.63%) RHCSA
11 1 (0.31%) MCSD
Quality Assurance & Compliance
1 11 (3.46%) GDPR
1 11 (3.46%) Sarbanes-Oxley
2 7 (2.20%) ISO/IEC 27001
3 6 (1.89%) QA
3 6 (1.89%) SLA
4 3 (0.94%) PCI DSS
5 2 (0.63%) Data Quality
5 2 (0.63%) Disclosure Scotland
5 2 (0.63%) NIST
6 1 (0.31%) IFRS
6 1 (0.31%) ISO 22301
6 1 (0.31%) ISO 9001
6 1 (0.31%) MiFID
6 1 (0.31%) NIST 800
System Software
1 93 (29.25%) Active Directory
2 89 (27.99%) VMware Infrastructure
3 43 (13.52%) Hyper-V
4 41 (12.89%) VMware ESXi
5 29 (9.12%) Virtual Machines
6 23 (7.23%) Docker
7 18 (5.66%) vSphere
8 15 (4.72%) DFS Replication
9 14 (4.40%) NFS
10 10 (3.14%) Microsoft App-V
10 10 (3.14%) Oracle RAC
10 10 (3.14%) Virtual Desktop
10 10 (3.14%) VMware NSX
11 6 (1.89%) Postfix
11 6 (1.89%) qmail
11 6 (1.89%) Virtual Servers
11 6 (1.89%) XenApp
12 4 (1.26%) vCloud
12 4 (1.26%) Veritas File System
13 3 (0.94%) Ceph
Systems Management
1 61 (19.18%) Ansible
2 43 (13.52%) Microsoft Clustering
3 27 (8.49%) SCCM
4 26 (8.18%) Opscode Chef
5 25 (7.86%) Puppet
6 24 (7.55%) Failover Clustering
7 22 (6.92%) Kubernetes
8 21 (6.60%) Terraform
9 18 (5.66%) Oracle RMAN
9 18 (5.66%) SCOM
10 17 (5.35%) Data Guard
10 17 (5.35%) vCenter Server
11 13 (4.09%) WSUS
12 12 (3.77%) OpenView Configuration Management
12 12 (3.77%) Oracle Enterprise Manager
12 12 (3.77%) Salt
12 12 (3.77%) SCVMM
13 11 (3.46%) Microsoft Data Protection Manager
14 10 (3.14%) SCDPM
14 10 (3.14%) SCSM
Vendors
1 111 (34.91%) VMware
2 92 (28.93%) Oracle
3 90 (28.30%) Microsoft
4 50 (15.72%) Red Hat
5 34 (10.69%) IBM
6 28 (8.81%) SAP
7 26 (8.18%) HP
8 23 (7.23%) Dell
9 20 (6.29%) EMC
10 19 (5.97%) Cisco
11 18 (5.66%) Symantec
11 18 (5.66%) Veritas
12 17 (5.35%) Citrix
13 14 (4.40%) SaltStack
14 13 (4.09%) Splunk
15 12 (3.77%) BMC
16 11 (3.46%) NetApp
17 10 (3.14%) ArcSight
17 10 (3.14%) Borland
17 10 (3.14%) F5