Period
to 28 October 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 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
6 months to
28 Oct 2021
Same period 2020 Same period 2019
Rank 511 416 421
Rank change year-on-year -95 +5 +35
Contract jobs citing Clustering 346 117 482
As % of all contract jobs advertised in the UK 0.40% 0.36% 0.57%
As % of the Miscellaneous category 1.36% 1.14% 1.98%
Number of daily rates quoted 255 83 322
10th Percentile £331 £313 £313
25th Percentile £413 £405 £370
Median daily rate (50th Percentile) £520 £463 £436
Median % change year-on-year +12.43% +6.02% +9.06%
75th Percentile £594 £545 £525
90th Percentile £660 £650 £575
UK excluding London median daily rate £450 £425 £425
% change year-on-year +5.88% - +13.33%
Number of hourly rates quoted 2 4 7
10th Percentile £52.13 £35.98 £29.90
25th Percentile £53.44 £37.44 £38.88
Median hourly rate £56.25 £40.75 £42.50
Median % change year-on-year +38.04% -4.12% +0.28%
75th Percentile £58.44 £46.88 £47.00
90th Percentile £59.38 £55.65 £47.20
UK excluding London median hourly rate - £40.75 £44.75
% change year-on-year - -8.94% +5.59%

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 25,437 10,258 24,318
As % of all contract IT jobs advertised in the UK 29.77% 31.45% 28.76%
Number of daily rates quoted 17,899 7,000 16,030
10th Percentile £302 £263 £267
25th Percentile £413 £369 £369
Median daily rate (50th Percentile) £525 £480 £475
Median % change year-on-year +9.38% +1.05% -
75th Percentile £630 £600 £575
90th Percentile £725 £713 £675
UK excluding London median daily rate £450 £423 £425
% change year-on-year +6.38% -0.47% -
Number of hourly rates quoted 690 344 868
10th Percentile £12.00 £12.01 £11.78
25th Percentile £15.04 £16.00 £14.28
Median hourly rate £24.03 £25.75 £20.50
Median % change year-on-year -6.68% +25.61% +2.50%
75th Percentile £48.75 £45.00 £46.00
90th Percentile £64.78 £57.35 £53.75
UK excluding London median hourly rate £20.00 £23.00 £19.03
% change year-on-year -13.04% +20.86% +0.16%

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 28 October 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 15 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 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
England -93 267 £525 +10.53% 78
London -101 137 £550 +10.00% 29
UK excluding London -77 133 £450 +5.88% 54
Work from Home -148 83 £510 +2.00% 15
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
Scotland -64 16 £494 +16.52% 4
East of England -35 14 £338 -23.51% 4
South West -51 9 £425 +21.43% 8
Wales - 6 £505 - 1
West Midlands -63 5 £575 - 8
Midlands -69 5 £575 +43.75% 14
Yorkshire -44 2 £613 +36.11% 1
Northern Ireland - 1 - -

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 with a requirement for Clustering.

1 164 (47.40%) Windows
2 146 (42.20%) Linux
3 117 (33.82%) VMware
4 112 (32.37%) SQL
5 107 (30.92%) Active Directory
6 101 (29.19%) VMware Infrastructure
7 92 (26.59%) Security Cleared
8 91 (26.30%) Azure
8 91 (26.30%) Microsoft
9 81 (23.41%) Oracle
9 81 (23.41%) Load Balancing
10 80 (23.12%) AWS
11 79 (22.83%) Python
11 79 (22.83%) Windows Server
12 68 (19.65%) PowerShell
12 68 (19.65%) SC Cleared
13 66 (19.08%) SQL Server
14 64 (18.50%) Microsoft Clustering
15 63 (18.21%) DNS
15 63 (18.21%) Migration
16 60 (17.34%) Red Hat
16 60 (17.34%) Ansible
17 54 (15.61%) Java
17 54 (15.61%) Red Hat Enterprise Linux
18 51 (14.74%) ITIL
18 51 (14.74%) DevOps
19 50 (14.45%) High Availability
20 46 (13.29%) Social Skills
21 45 (13.01%) Firewall
22 42 (12.14%) SAN

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 32 (9.25%) IIS
2 26 (7.51%) MS Exchange
3 21 (6.07%) SharePoint
4 20 (5.78%) Tomcat
5 19 (5.49%) Apache
5 19 (5.49%) nginx
6 12 (3.47%) Confluence
7 11 (3.18%) WebLogic
8 10 (2.89%) SAP Portal
8 10 (2.89%) WebSphere
9 9 (2.60%) Exchange Server 2010
10 8 (2.31%) Traefik
11 6 (1.73%) Mule
11 6 (1.73%) Mule ESB
11 6 (1.73%) Skype for Business
12 5 (1.45%) MS Project Server
13 4 (1.16%) CMS
13 4 (1.16%) JBoss
14 3 (0.87%) Adobe Experience Manager
14 3 (0.87%) WebSphere Application Server
Applications
1 16 (4.62%) Microsoft Office
2 11 (3.18%) MS Visio
3 2 (0.58%) Microsoft Project
4 1 (0.29%) Microsoft PowerPoint
Business Applications
1 3 (0.87%) Oracle EBS
2 2 (0.58%) Oracle Applications
2 2 (0.58%) Oracle EBS R12
2 2 (0.58%) Oracle Financials
3 1 (0.29%) Remedy ITSM
Cloud Services
1 91 (26.30%) Azure
2 80 (23.12%) AWS
3 28 (8.09%) GCP
4 26 (7.51%) IaaS
5 24 (6.94%) GitHub
5 24 (6.94%) Microsoft 365
6 21 (6.07%) PaaS
7 16 (4.62%) Virtual Private Cloud
8 14 (4.05%) AWS CloudFormation
9 13 (3.76%) Amazon EC2
9 13 (3.76%) SaaS
10 10 (2.89%) Cloud Computing
11 8 (2.31%) Amazon CloudWatch
11 8 (2.31%) Power Platform
12 7 (2.02%) Snowflake
13 5 (1.45%) Amazon ECS
13 5 (1.45%) Amazon ELB
14 4 (1.16%) Slack
15 3 (0.87%) Adobe Analytics
15 3 (0.87%) dbt
Communications & Networking
1 63 (18.21%) DNS
2 45 (13.01%) Firewall
3 42 (12.14%) SAN
4 41 (11.85%) TCP/IP
5 31 (8.96%) WAN
6 29 (8.38%) DHCP
7 24 (6.94%) SSL
8 20 (5.78%) LAN
9 18 (5.20%) NAS
10 17 (4.91%) iSCSI
11 13 (3.76%) NetScaler
12 12 (3.47%) HTTP
13 11 (3.18%) Kerberos
14 10 (2.89%) Software-Defined Networking
14 10 (2.89%) VPN
15 9 (2.60%) Wireless
16 8 (2.31%) Ethernet
16 8 (2.31%) Network Security
17 7 (2.02%) Fibre Channel
17 7 (2.02%) IPv4
Database & Business Intelligence
1 66 (19.08%) SQL Server
2 36 (10.40%) Oracle Database
3 25 (7.23%) PostgreSQL
4 21 (6.07%) Relational Database
5 18 (5.20%) SQL Server 2012
5 18 (5.20%) SQL Server 2016
6 17 (4.91%) SQL Server 2014
7 16 (4.62%) MySQL
7 16 (4.62%) SQL Server 2008
7 16 (4.62%) SQL Server 2019
7 16 (4.62%) SQL Server Integration Services
8 14 (4.05%) Oracle Database 12c
9 13 (3.76%) Data Warehouse
9 13 (3.76%) Metadata
9 13 (3.76%) Oracle Database 11g
10 12 (3.47%) Looker
11 11 (3.18%) MongoDB
11 11 (3.18%) SQL Server Analysis Services
11 11 (3.18%) Tableau
12 10 (2.89%) NoSQL
Development Applications
1 29 (8.38%) Git (software)
1 29 (8.38%) Jenkins
2 26 (7.51%) Subversion
3 18 (5.20%) JIRA
4 17 (4.91%) GitLab
5 12 (3.47%) SQL Server Management Studio (SSMS)
6 10 (2.89%) TeamCity
7 8 (2.31%) Maven
8 7 (2.02%) Bitbucket
9 4 (1.16%) Artifactory
9 4 (1.16%) Serena SBM
9 4 (1.16%) SonarQube
10 3 (0.87%) AppScan
11 2 (0.58%) Eclipse
11 2 (0.58%) JDeveloper
11 2 (0.58%) Rational DOORS
11 2 (0.58%) Spinnaker
12 1 (0.29%) Sonatype Nexus
12 1 (0.29%) Storybook
12 1 (0.29%) webpack
General
1 46 (13.29%) Social Skills
2 36 (10.40%) Finance
3 32 (9.25%) Banking
4 27 (7.80%) Public Sector
5 17 (4.91%) Investment Banking
6 14 (4.05%) Analytical Skills
7 6 (1.73%) Documentation Skills
7 6 (1.73%) Marketing
7 6 (1.73%) Organisational Skills
8 5 (1.45%) Telecoms
9 4 (1.16%) International Banking
9 4 (1.16%) Legal
10 3 (0.87%) Back Office
11 2 (0.58%) Manufacturing
11 2 (0.58%) Publishing
12 1 (0.29%) Aerospace
12 1 (0.29%) Electronics
12 1 (0.29%) Financial Institution
12 1 (0.29%) Games
12 1 (0.29%) German Language
Job Titles
1 48 (13.87%) Architect
2 38 (10.98%) Developer
3 36 (10.40%) DBA
4 25 (7.23%) Administrator
5 23 (6.65%) Infrastructure Engineer
6 19 (5.49%) DevOps Engineer
6 19 (5.49%) SQL DBA
6 19 (5.49%) Technical Architect
7 16 (4.62%) Azure Engineer
8 14 (4.05%) Consultant
9 13 (3.76%) Knowledge Engineer
10 12 (3.47%) 3rd Line Engineer
10 12 (3.47%) Infrastructure Architect
11 11 (3.18%) Oracle DBA
11 11 (3.18%) Server Engineer
11 11 (3.18%) Windows Engineer
12 10 (2.89%) Solutions Architect
13 9 (2.60%) Analyst
13 9 (2.60%) Wintel Engineer
14 8 (2.31%) SAP Basis Consultant
Libraries, Frameworks & Software Standards
1 25 (7.23%) HTML
2 18 (5.20%) Middleware
3 16 (4.62%) LDAP
4 15 (4.34%) REST
5 13 (3.76%) NetworkX
5 13 (3.76%) Node.js
6 11 (3.18%) XML
7 10 (2.89%) JMS
7 10 (2.89%) SAP Basis
7 10 (2.89%) SAP PI
8 9 (2.60%) Java EE
9 8 (2.31%) cloud-init
9 8 (2.31%) JSON
9 8 (2.31%) WebSphere MQ
10 7 (2.02%) Kafka
11 6 (1.73%) Beautiful Soup
11 6 (1.73%) EclipseLink
11 6 (1.73%) scikit-learn
11 6 (1.73%) Scrapy
11 6 (1.73%) TensorFlow
Miscellaneous
1 40 (11.56%) Data Centre
1 40 (11.56%) Replication
2 29 (8.38%) PKI
3 24 (6.94%) Public Cloud
4 20 (5.78%) Algorithms
5 9 (2.60%) Legacy Systems
6 8 (2.31%) Management Information System
6 8 (2.31%) User Experience
7 6 (1.73%) Client/Server
7 6 (1.73%) Self-Motivation
8 5 (1.45%) Enterprise Software
9 3 (0.87%) Cloud Native
9 3 (0.87%) CMDB
9 3 (0.87%) Data Structures
9 3 (0.87%) Driving Licence
9 3 (0.87%) EMC VMAX
9 3 (0.87%) Hybrid Cloud
9 3 (0.87%) Microsoft Licensing
9 3 (0.87%) NHS
10 2 (0.58%) Data Protection Act
Operating Systems
1 164 (47.40%) Windows
2 146 (42.20%) Linux
3 79 (22.83%) Windows Server
4 54 (15.61%) Red Hat Enterprise Linux
5 42 (12.14%) Windows Server 2012
6 40 (11.56%) Windows Server 2016
7 36 (10.40%) Windows Server 2008
8 32 (9.25%) Windows Server 2019
9 30 (8.67%) Unix
10 20 (5.78%) AIX
11 19 (5.49%) CentOS
12 15 (4.34%) Windows 10
13 13 (3.76%) Solaris
14 12 (3.47%) SUSE
15 9 (2.60%) Oracle Linux
15 9 (2.60%) Ubuntu
16 6 (1.73%) Windows 7
16 6 (1.73%) Windows Server 2003
17 5 (1.45%) zOS
18 4 (1.16%) Debian
Processes & Methodologies
1 81 (23.41%) Load Balancing
2 63 (18.21%) Migration
3 51 (14.74%) DevOps
3 51 (14.74%) ITIL
4 50 (14.45%) High Availability
5 42 (12.14%) Agile Software Development
5 42 (12.14%) Analytics
6 41 (11.85%) Infrastructure Engineering
7 30 (8.67%) Problem-Solving
8 29 (8.38%) Change Management
9 27 (7.80%) Configuration Management
9 27 (7.80%) Continuous Integration
10 26 (7.51%) Disaster Recovery
11 20 (5.78%) Business Intelligence
11 20 (5.78%) Performance Tuning
12 18 (5.20%) Capacity Planning
12 18 (5.20%) Visualisation
13 17 (4.91%) Data Security
13 17 (4.91%) Microservices
13 17 (4.91%) Test Automation
Programming Languages
1 112 (32.37%) SQL
2 79 (22.83%) Python
3 68 (19.65%) PowerShell
4 54 (15.61%) Java
5 36 (10.40%) Bash Shell
6 30 (8.67%) Shell Script
7 26 (7.51%) JavaScript
8 20 (5.78%) Perl
9 18 (5.20%) Ruby
10 13 (3.76%) PL/SQL
10 13 (3.76%) SPARQL
10 13 (3.76%) T-SQL
11 12 (3.47%) C
12 11 (3.18%) LookML
13 9 (2.60%) C++
13 9 (2.60%) Go
14 7 (2.02%) R
15 5 (1.45%) C#
16 4 (1.16%) Search Processing Language
16 4 (1.16%) VBA
Qualifications
1 92 (26.59%) Security Cleared
2 68 (19.65%) SC Cleared
3 35 (10.12%) DV Cleared
4 15 (4.34%) Microsoft Certification
5 13 (3.76%) MCSE
6 7 (2.02%) Degree
6 7 (2.02%) MCSA
7 6 (1.73%) VMware Certified Professional (VCP)
8 5 (1.45%) MCITP
9 4 (1.16%) Chartered Engineer
9 4 (1.16%) CITP
10 2 (0.58%) BC Cleared
10 2 (0.58%) DBS Check
10 2 (0.58%) ITIL Foundation Certificate
10 2 (0.58%) MCP
10 2 (0.58%) OCP
10 2 (0.58%) Oracle Certification
10 2 (0.58%) RHCSA
11 1 (0.29%) BPSS Clearance
11 1 (0.29%) VCP6
Quality Assurance & Compliance
1 16 (4.62%) GDPR
2 15 (4.34%) Sarbanes-Oxley
3 10 (2.89%) NCSC
4 7 (2.02%) Data Quality
5 6 (1.73%) QA
6 5 (1.45%) ISO/IEC 27001
6 5 (1.45%) SLA
7 3 (0.87%) PCI DSS
8 2 (0.58%) Accessibility
9 1 (0.29%) ISO 22301
9 1 (0.29%) ISO 9001
9 1 (0.29%) NIST
9 1 (0.29%) WCAG
System Software
1 107 (30.92%) Active Directory
2 101 (29.19%) VMware Infrastructure
3 28 (8.09%) Hyper-V
3 28 (8.09%) VMware ESXi
4 25 (7.23%) Docker
5 22 (6.36%) vSphere
6 19 (5.49%) NFS
7 18 (5.20%) Virtual Machines
8 16 (4.62%) Oracle RAC
8 16 (4.62%) VMware NSX
9 9 (2.60%) DFS Replication
9 9 (2.60%) Virtual Servers
10 5 (1.45%) Microsoft Virtual Server
11 4 (1.16%) XenApp
12 3 (0.87%) Microsoft App-V
12 3 (0.87%) ProxySG
12 3 (0.87%) Veritas File System
12 3 (0.87%) Virtual Desktop
13 2 (0.58%) Ceph
13 2 (0.58%) Samba
Systems Management
1 64 (18.50%) Microsoft Clustering
2 60 (17.34%) Ansible
3 36 (10.40%) Terraform
4 28 (8.09%) Kubernetes
4 28 (8.09%) Puppet
5 23 (6.65%) Data Guard
6 22 (6.36%) SCCM
7 19 (5.49%) Opscode Chef
8 17 (4.91%) Failover Clustering
9 16 (4.62%) Oracle RMAN
10 15 (4.34%) Oracle Enterprise Manager
11 14 (4.05%) SCOM
12 13 (3.76%) Prometheus
12 13 (3.76%) vRealize
12 13 (3.76%) ZABBIX
13 12 (3.47%) Istio
13 12 (3.47%) Tivoli Storage Manager
13 12 (3.47%) vCenter Server
13 12 (3.47%) WSUS
14 11 (3.18%) Tivoli
Vendors
1 117 (33.82%) VMware
2 91 (26.30%) Microsoft
3 81 (23.41%) Oracle
4 60 (17.34%) Red Hat
5 31 (8.96%) Cisco
6 30 (8.67%) Splunk
7 23 (6.65%) EMC
8 22 (6.36%) IBM
9 21 (6.07%) F5
10 20 (5.78%) Citrix
10 20 (5.78%) HP
11 18 (5.20%) Dell
12 16 (4.62%) SAP
13 14 (4.05%) CheckPoint
13 14 (4.05%) NetApp
14 13 (3.76%) ServiceNow
15 12 (3.47%) CyberArk
16 11 (3.18%) Palo Alto
17 10 (2.89%) Meraki
17 10 (2.89%) Qualys