Period
to 28 October 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 28 October 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
28 Oct 2021
Same period 2020 Same period 2019
Rank 488 395 419
Rank change year-on-year -93 +24 +38
Contract jobs citing Clustering 267 111 420
As % of all contract jobs advertised in England 0.39% 0.40% 0.54%
As % of the Miscellaneous category 1.28% 1.24% 1.88%
Number of daily rates quoted 204 77 277
10th Percentile £325 £313 £319
25th Percentile £411 £405 £381
Median daily rate (50th Percentile) £525 £475 £450
Median % change year-on-year +10.53% +5.56% +12.50%
75th Percentile £625 £550 £525
90th Percentile £671 £650 £588
UK median daily rate £520 £463 £436
% change year-on-year +12.43% +6.02% +9.06%
Number of hourly rates quoted 2 4 3
10th Percentile £52.13 £35.98 £21.45
25th Percentile £53.44 £37.44 £28.13
Median hourly rate £56.25 £40.75 £42.11
Median % change year-on-year +38.04% -3.23% -0.64%
75th Percentile £58.44 £46.88 £46.24
90th Percentile £59.38 £55.65 £46.99
UK median hourly rate £56.25 £40.75 £42.50
% change year-on-year +38.04% -4.12% +0.28%

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 20,938 8,986 22,372
As % of all contract IT jobs advertised in England 30.62% 32.23% 28.99%
Number of daily rates quoted 14,869 6,215 14,919
10th Percentile £300 £269 £275
25th Percentile £413 £375 £375
Median daily rate (50th Percentile) £525 £495 £475
Median % change year-on-year +6.06% +4.21% -
75th Percentile £638 £613 £588
90th Percentile £738 £725 £675
UK median daily rate £525 £480 £475
% change year-on-year +9.38% +1.05% -
Number of hourly rates quoted 616 289 783
10th Percentile £12.00 £12.20 £11.62
25th Percentile £15.03 £16.23 £14.28
Median hourly rate £24.00 £26.51 £20.50
Median % change year-on-year -9.47% +29.32% +0.61%
75th Percentile £48.75 £45.00 £47.50
90th Percentile £63.93 £57.75 £53.75
UK median hourly rate £24.03 £25.75 £20.50
% change year-on-year -6.68% +25.61% +2.50%

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 28 October 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 28 October 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 -101 137 £550 +10.00% 29
South East -64 45 £490 +2.35% 5
North of England -61 37 £375 -8.26% 18
North West -25 35 £370 -7.50% 15
East of England -35 14 £338 -23.51% 4
South West -51 9 £425 +21.43% 8
West Midlands -63 5 £575 - 8
Midlands -69 5 £575 +43.75% 14
Yorkshire -44 2 £613 +36.11% 1
Clustering
UK

For the 6 months to 28 October 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.

1 133 (49.81%) Windows
2 109 (40.82%) Linux
3 97 (36.33%) VMware
4 95 (35.58%) SQL
5 93 (34.83%) Active Directory
6 83 (31.09%) VMware Infrastructure
7 74 (27.72%) Security Cleared
8 72 (26.97%) Windows Server
9 66 (24.72%) Azure
10 65 (24.34%) AWS
10 65 (24.34%) Microsoft
10 65 (24.34%) Oracle
11 61 (22.85%) Python
11 61 (22.85%) Microsoft Clustering
12 55 (20.60%) DNS
13 53 (19.85%) SQL Server
13 53 (19.85%) PowerShell
14 51 (19.10%) Migration
15 50 (18.73%) SC Cleared
16 49 (18.35%) Load Balancing
17 47 (17.60%) ITIL
18 45 (16.85%) Red Hat
19 43 (16.10%) Red Hat Enterprise Linux
19 43 (16.10%) Ansible
20 41 (15.36%) Java
21 39 (14.61%) High Availability
22 38 (14.23%) DevOps
22 38 (14.23%) Windows Server 2012
23 37 (13.86%) Social Skills
23 37 (13.86%) Firewall

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 23 (8.61%) IIS
2 21 (7.87%) SharePoint
3 20 (7.49%) MS Exchange
4 16 (5.99%) nginx
5 13 (4.87%) Tomcat
6 11 (4.12%) Apache
6 11 (4.12%) Confluence
7 10 (3.75%) SAP Portal
8 9 (3.37%) WebSphere
9 8 (3.00%) Traefik
9 8 (3.00%) WebLogic
10 7 (2.62%) Exchange Server 2010
11 6 (2.25%) Skype for Business
12 5 (1.87%) MS Project Server
13 3 (1.12%) Anypoint
13 3 (1.12%) JBoss
13 3 (1.12%) Mule
13 3 (1.12%) Mule ESB
13 3 (1.12%) OpenStack
13 3 (1.12%) WebSphere Application Server
Applications
1 12 (4.49%) Microsoft Office
2 6 (2.25%) MS Visio
3 1 (0.37%) Microsoft Project
Business Applications
1 2 (0.75%) Oracle Applications
1 2 (0.75%) Oracle EBS
1 2 (0.75%) Oracle EBS R12
1 2 (0.75%) Oracle Financials
Cloud Services
1 66 (24.72%) Azure
2 65 (24.34%) AWS
3 28 (10.49%) GCP
4 19 (7.12%) GitHub
5 18 (6.74%) Microsoft 365
6 15 (5.62%) IaaS
7 13 (4.87%) Amazon EC2
7 13 (4.87%) AWS CloudFormation
7 13 (4.87%) SaaS
7 13 (4.87%) Virtual Private Cloud
8 10 (3.75%) Cloud Computing
8 10 (3.75%) PaaS
9 8 (3.00%) Amazon CloudWatch
9 8 (3.00%) Power Platform
10 7 (2.62%) Snowflake
11 5 (1.87%) Amazon ELB
12 4 (1.50%) Amazon ECS
13 3 (1.12%) dbt
13 3 (1.12%) Mimecast
13 3 (1.12%) Slack
Communications & Networking
1 55 (20.60%) DNS
2 37 (13.86%) Firewall
3 34 (12.73%) TCP/IP
4 29 (10.86%) SAN
5 26 (9.74%) DHCP
6 20 (7.49%) SSL
7 12 (4.49%) iSCSI
7 12 (4.49%) NAS
7 12 (4.49%) WAN
8 11 (4.12%) Kerberos
9 10 (3.75%) Software-Defined Networking
10 9 (3.37%) NetScaler
10 9 (3.37%) VPN
11 8 (3.00%) HTTP
11 8 (3.00%) Wireless
12 6 (2.25%) Ethernet
12 6 (2.25%) Fibre Channel
12 6 (2.25%) Network Security
12 6 (2.25%) Remote Desktop
13 5 (1.87%) Converged Networks
Database & Business Intelligence
1 53 (19.85%) SQL Server
2 30 (11.24%) Oracle Database
3 22 (8.24%) PostgreSQL
4 17 (6.37%) SQL Server 2012
4 17 (6.37%) SQL Server 2016
5 16 (5.99%) SQL Server 2014
6 15 (5.62%) Relational Database
6 15 (5.62%) SQL Server 2008
6 15 (5.62%) SQL Server 2019
7 12 (4.49%) Data Warehouse
7 12 (4.49%) Looker
7 12 (4.49%) Metadata
7 12 (4.49%) MySQL
7 12 (4.49%) SQL Server Integration Services
8 11 (4.12%) Tableau
9 10 (3.75%) Data Lake
9 10 (3.75%) Oracle Database 12c
9 10 (3.75%) SAP BW
9 10 (3.75%) SQL Server Analysis Services
10 9 (3.37%) Oracle Database 11g
Development Applications
1 25 (9.36%) Git (software)
2 23 (8.61%) Jenkins
3 22 (8.24%) Subversion
4 17 (6.37%) JIRA
5 15 (5.62%) GitLab
6 12 (4.49%) SQL Server Management Studio (SSMS)
7 8 (3.00%) TeamCity
8 6 (2.25%) Bitbucket
9 4 (1.50%) Maven
9 4 (1.50%) Serena SBM
10 3 (1.12%) SonarQube
11 2 (0.75%) Eclipse
12 1 (0.37%) Artifactory
12 1 (0.37%) NetBeans
12 1 (0.37%) Oracle APEX
12 1 (0.37%) Rational DOORS
12 1 (0.37%) Sonatype Nexus
12 1 (0.37%) Spinnaker
General
1 37 (13.86%) Social Skills
2 32 (11.99%) Banking
3 29 (10.86%) Finance
4 21 (7.87%) Public Sector
5 17 (6.37%) Investment Banking
6 11 (4.12%) Analytical Skills
7 6 (2.25%) Documentation Skills
8 4 (1.50%) International Banking
8 4 (1.50%) Organisational Skills
9 3 (1.12%) Back Office
9 3 (1.12%) Legal
10 2 (0.75%) Marketing
10 2 (0.75%) Publishing
11 1 (0.37%) Electronics
11 1 (0.37%) Financial Institution
11 1 (0.37%) Games
11 1 (0.37%) German Language
11 1 (0.37%) Manufacturing
11 1 (0.37%) Telecoms
Job Titles
1 33 (12.36%) Architect
1 33 (12.36%) DBA
2 31 (11.61%) Developer
3 21 (7.87%) Infrastructure Engineer
4 19 (7.12%) SQL DBA
5 18 (6.74%) Administrator
6 15 (5.62%) Technical Architect
7 14 (5.24%) Consultant
7 14 (5.24%) DevOps Engineer
8 12 (4.49%) 3rd Line Engineer
8 12 (4.49%) Knowledge Engineer
9 11 (4.12%) Oracle DBA
9 11 (4.12%) Server Engineer
10 9 (3.37%) Infrastructure Architect
10 9 (3.37%) Windows Engineer
10 9 (3.37%) Wintel Engineer
11 8 (3.00%) Analyst
11 8 (3.00%) Java Developer
11 8 (3.00%) SAP Basis Consultant
11 8 (3.00%) SAP Consultant
Libraries, Frameworks & Software Standards
1 20 (7.49%) HTML
2 16 (5.99%) LDAP
3 12 (4.49%) Middleware
3 12 (4.49%) NetworkX
4 10 (3.75%) REST
4 10 (3.75%) SAP Basis
4 10 (3.75%) SAP PI
5 9 (3.37%) Java EE
5 9 (3.37%) Node.js
6 8 (3.00%) cloud-init
6 8 (3.00%) WebSphere MQ
7 7 (2.62%) JMS
7 7 (2.62%) Kafka
8 6 (2.25%) EclipseLink
8 6 (2.25%) EJB
8 6 (2.25%) JPA
8 6 (2.25%) Spring
9 5 (1.87%) IBM Integration Bus
9 5 (1.87%) Oracle GoldenGate
9 5 (1.87%) XML
Miscellaneous
1 29 (10.86%) PKI
2 21 (7.87%) Replication
3 20 (7.49%) Data Centre
4 17 (6.37%) Algorithms
5 16 (5.99%) Public Cloud
6 5 (1.87%) Legacy Systems
7 4 (1.50%) Enterprise Software
7 4 (1.50%) Management Information System
7 4 (1.50%) User Experience
8 3 (1.12%) CMDB
8 3 (1.12%) Data Structures
8 3 (1.12%) Driving Licence
8 3 (1.12%) Microsoft Licensing
8 3 (1.12%) NHS
9 2 (0.75%) CESG
9 2 (0.75%) Data Protection Act
9 2 (0.75%) EMC VMAX
9 2 (0.75%) Enterprise Storage
9 2 (0.75%) Hybrid Cloud
9 2 (0.75%) Mainframe
Operating Systems
1 133 (49.81%) Windows
2 109 (40.82%) Linux
3 72 (26.97%) Windows Server
4 43 (16.10%) Red Hat Enterprise Linux
5 38 (14.23%) Windows Server 2012
6 33 (12.36%) Windows Server 2016
7 32 (11.99%) Windows Server 2008
8 26 (9.74%) Windows Server 2019
9 23 (8.61%) Unix
10 20 (7.49%) AIX
11 19 (7.12%) CentOS
12 12 (4.49%) SUSE
13 10 (3.75%) Solaris
13 10 (3.75%) Windows 10
14 9 (3.37%) Oracle Linux
15 8 (3.00%) Ubuntu
16 6 (2.25%) Windows Server 2003
17 5 (1.87%) zOS
18 4 (1.50%) Debian
19 3 (1.12%) Windows XP
Processes & Methodologies
1 51 (19.10%) Migration
2 49 (18.35%) Load Balancing
3 47 (17.60%) ITIL
4 39 (14.61%) High Availability
5 38 (14.23%) DevOps
6 36 (13.48%) Infrastructure Engineering
7 34 (12.73%) Analytics
8 29 (10.86%) Agile Software Development
9 27 (10.11%) Change Management
10 24 (8.99%) Problem-Solving
11 21 (7.87%) Continuous Integration
11 21 (7.87%) Disaster Recovery
12 20 (7.49%) Configuration Management
13 18 (6.74%) Business Intelligence
14 17 (6.37%) Performance Tuning
15 16 (5.99%) Microservices
15 16 (5.99%) Performance Optimisation
15 16 (5.99%) Problem Management
15 16 (5.99%) Visualisation
16 15 (5.62%) Test Automation
Programming Languages
1 95 (35.58%) SQL
2 61 (22.85%) Python
3 53 (19.85%) PowerShell
4 41 (15.36%) Java
5 26 (9.74%) Bash Shell
6 22 (8.24%) Shell Script
7 19 (7.12%) JavaScript
8 13 (4.87%) Ruby
9 12 (4.49%) SPARQL
10 11 (4.12%) C
10 11 (4.12%) LookML
10 11 (4.12%) PL/SQL
10 11 (4.12%) T-SQL
11 10 (3.75%) Perl
12 9 (3.37%) Go
13 7 (2.62%) R
14 6 (2.25%) C++
15 4 (1.50%) Search Processing Language
15 4 (1.50%) VBA
16 3 (1.12%) C#
Qualifications
1 74 (27.72%) Security Cleared
2 50 (18.73%) SC Cleared
3 34 (12.73%) DV Cleared
4 14 (5.24%) Microsoft Certification
5 12 (4.49%) MCSE
6 7 (2.62%) MCSA
7 6 (2.25%) Degree
7 6 (2.25%) VMware Certified Professional (VCP)
8 5 (1.87%) MCITP
9 2 (0.75%) Chartered Engineer
9 2 (0.75%) CITP
9 2 (0.75%) DBS Check
9 2 (0.75%) ITIL Foundation Certificate
9 2 (0.75%) MCP
9 2 (0.75%) RHCSA
10 1 (0.37%) BPSS Clearance
10 1 (0.37%) HND
10 1 (0.37%) MCSD
10 1 (0.37%) RHCE
10 1 (0.37%) VCP6
Quality Assurance & Compliance
1 12 (4.49%) GDPR
2 11 (4.12%) Sarbanes-Oxley
3 10 (3.75%) NCSC
4 6 (2.25%) Data Quality
5 5 (1.87%) ISO/IEC 27001
6 4 (1.50%) QA
6 4 (1.50%) SLA
7 3 (1.12%) PCI DSS
8 1 (0.37%) ISO 22301
8 1 (0.37%) ISO 9001
8 1 (0.37%) NIST
System Software
1 93 (34.83%) Active Directory
2 83 (31.09%) VMware Infrastructure
3 26 (9.74%) VMware ESXi
4 23 (8.61%) Docker
5 21 (7.87%) vSphere
6 20 (7.49%) Hyper-V
7 17 (6.37%) Virtual Machines
8 15 (5.62%) Oracle RAC
9 12 (4.49%) NFS
10 11 (4.12%) VMware NSX
11 8 (3.00%) DFS Replication
12 6 (2.25%) Virtual Servers
13 4 (1.50%) XenApp
14 3 (1.12%) Microsoft App-V
14 3 (1.12%) ProxySG
14 3 (1.12%) Virtual Desktop
15 2 (0.75%) Ceph
15 2 (0.75%) Firmware
15 2 (0.75%) Samba
15 2 (0.75%) Terminal Services
Systems Management
1 61 (22.85%) Microsoft Clustering
2 43 (16.10%) Ansible
3 25 (9.36%) Kubernetes
3 25 (9.36%) Puppet
4 24 (8.99%) Terraform
5 22 (8.24%) Data Guard
6 20 (7.49%) SCCM
7 18 (6.74%) Opscode Chef
8 15 (5.62%) Failover Clustering
9 14 (5.24%) SCOM
10 13 (4.87%) Oracle RMAN
10 13 (4.87%) Prometheus
11 12 (4.49%) Oracle Enterprise Manager
11 12 (4.49%) vRealize
11 12 (4.49%) WSUS
11 12 (4.49%) ZABBIX
12 11 (4.12%) Istio
12 11 (4.12%) Tivoli Storage Manager
12 11 (4.12%) vCenter Server
13 10 (3.75%) linkerd
Vendors
1 97 (36.33%) VMware
2 65 (24.34%) Microsoft
2 65 (24.34%) Oracle
3 45 (16.85%) Red Hat
4 29 (10.86%) Cisco
5 21 (7.87%) IBM
5 21 (7.87%) Splunk
6 19 (7.12%) HP
7 17 (6.37%) EMC
8 16 (5.99%) Citrix
8 16 (5.99%) F5
9 14 (5.24%) Dell
9 14 (5.24%) SAP
10 12 (4.49%) CheckPoint
10 12 (4.49%) ServiceNow
11 11 (4.12%) CyberArk
12 9 (3.37%) Meraki
12 9 (3.37%) NetApp
13 8 (3.00%) BMC
13 8 (3.00%) Sybase