Period
to

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 May 2022 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 May 2022
Same period 2021 Same period 2020
Rank 445 428 442
Rank change year-on-year -17 +14 +48
Contract jobs citing Clustering 445 294 188
As % of all contract jobs advertised in the UK 0.50% 0.49% 0.40%
As % of the Miscellaneous category 1.60% 1.62% 1.34%
Number of daily rates quoted 334 199 119
10th Percentile £363 £358 £305
25th Percentile £450 £400 £363
Median daily rate (50th Percentile) £575 £475 £425
Median % change year-on-year +21.05% +11.76% -3.13%
75th Percentile £638 £550 £510
90th Percentile £688 £625 £578
UK excluding London median daily rate £463 £423 £425
% change year-on-year +9.47% -0.59% +3.03%
Number of hourly rates quoted 6 7 7
10th Percentile £43.13 £58.50 £37.10
25th Percentile £49.38 - £42.00
Median hourly rate £65.00 £60.00 £47.83
Median % change year-on-year +8.33% +25.44% -
75th Percentile £67.13 - £57.50
90th Percentile £67.50 - £59.10
UK excluding London median hourly rate £55.00 £60.00 £55.00
% change year-on-year -8.33% +9.09% -

Clustering is in the General and Transferable 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 Skills
UK
Contract vacancies with a requirement for generic IT skills 27,784 18,118 14,053
As % of all contract IT jobs advertised in the UK 31.50% 30.37% 29.99%
Number of daily rates quoted 19,528 12,170 9,122
10th Percentile £313 £300 £253
25th Percentile £425 £400 £375
Median daily rate (50th Percentile) £550 £500 £475
Median % change year-on-year +10.00% +5.26% -
75th Percentile £656 £600 £600
90th Percentile £768 £700 £700
UK excluding London median daily rate £475 £425 £425
% change year-on-year +11.76% - -1.16%
Number of hourly rates quoted 708 653 588
10th Percentile £14.25 £12.05 £12.62
25th Percentile £17.38 £16.00 £16.25
Median hourly rate £26.98 £25.50 £23.75
Median % change year-on-year +5.80% +7.37% +15.85%
75th Percentile £50.00 £48.75 £46.56
90th Percentile £66.00 £60.00 £54.00
UK excluding London median hourly rate £21.13 £23.50 £21.00
% change year-on-year -10.11% +11.90% +13.51%

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 May 2022.

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
Hourly Rate Histogram

Hourly rate distribution of jobs citing Clustering over the 6 months to 28 May 2022.

Hourly rate histogram for Clustering in the UK

Clustering
Top 16 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 May 2022. 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
Jobs
England -28 375 £575 +21.05% 51
London -41 210 £585 +11.96% 20
Work from Home -59 200 £533 +9.23% 16
UK excluding London -32 165 £463 +9.47% 30
North of England -17 54 £586 +42.06% 6
South East -34 49 £475 +14.80% 6
North West -30 35 £625 +66.67% 3
Midlands -15 31 £413 +2.48% 9
West Midlands -26 20 £375 -6.83% 4
Yorkshire -19 19 £375 -13.04% 3
South West -18 12 £563 +25.00% 5
East Midlands -10 10 £440 +10.00% 5
Scotland -23 8 £481 +18.46%
Wales -10 6 £450 +1.69% 1
East of England -33 3 £305 +40.23% 4
Isle of Man - 2 - -

For the 6 months to 28 May 2022, 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.

1 217 (48.76%) Linux
2 196 (44.04%) Windows
3 194 (43.60%) VMware
4 154 (34.61%) SQL
5 151 (33.93%) VMware Infrastructure
6 150 (33.71%) Active Directory
7 132 (29.66%) Security Cleared
8 129 (28.99%) SQL Server
9 128 (28.76%) Microsoft
10 117 (26.29%) DNS
11 111 (24.94%) Ansible
12 110 (24.72%) SC Cleared
13 108 (24.27%) Red Hat Enterprise Linux
13 108 (24.27%) Windows Server
14 107 (24.04%) DevOps
15 105 (23.60%) Microsoft Clustering
16 100 (22.47%) Oracle
17 97 (21.80%) AWS
17 97 (21.80%) High Availability
18 93 (20.90%) Azure
19 92 (20.67%) Red Hat
20 87 (19.55%) PowerShell
21 83 (18.65%) Infrastructure Engineering
22 81 (18.20%) CI/CD
22 81 (18.20%) Load Balancing
23 80 (17.98%) Social Skills
24 75 (16.85%) Python
25 74 (16.63%) ITIL
26 70 (15.73%) Replication
27 69 (15.51%) 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 43 (9.66%) nginx
2 36 (8.09%) IIS
3 33 (7.42%) Traefik
4 31 (6.97%) MS Exchange
5 23 (5.17%) Tomcat
6 22 (4.94%) WebLogic
6 22 (4.94%) WebSphere
7 20 (4.49%) WebSphere Application Server
8 18 (4.04%) IBM HTTP Server
8 18 (4.04%) SharePoint
9 17 (3.82%) Apache
9 17 (3.82%) Exchange Server 2010
10 11 (2.47%) Confluence
11 9 (2.02%) WebLogic Portal
12 7 (1.57%) Oracle SOA Suite
13 4 (0.90%) JBoss
13 4 (0.90%) OpenStack
13 4 (0.90%) SAP Portal
14 3 (0.67%) Skype for Business
15 2 (0.45%) iPlanet
Applications
1 27 (6.07%) Microsoft Office
2 8 (1.80%) MS Visio
3 2 (0.45%) Microsoft Project
Business Applications
1 7 (1.57%) Oracle EBS
2 2 (0.45%) Oracle Payables
3 1 (0.22%) Maximo
3 1 (0.22%) Oracle Applications
Cloud Services
1 97 (21.80%) AWS
2 93 (20.90%) Azure
3 43 (9.66%) Amazon EC2
3 43 (9.66%) GCP
4 38 (8.54%) AWS CloudFormation
5 34 (7.64%) Amazon CloudWatch
6 33 (7.42%) Virtual Private Cloud
7 31 (6.97%) Microsoft 365
8 27 (6.07%) GitHub
9 26 (5.84%) IaaS
10 25 (5.62%) Azure Active Directory
11 23 (5.17%) Amazon S3
12 12 (2.70%) PaaS
13 10 (2.25%) Nutanix
14 8 (1.80%) Cloud Computing
14 8 (1.80%) Datadog
15 7 (1.57%) Power Platform
15 7 (1.57%) Rubrik
15 7 (1.57%) SaaS
16 3 (0.67%) Amazon ECS
Communications & Networking
1 117 (26.29%) DNS
2 57 (12.81%) TCP/IP
3 53 (11.91%) SAN
4 46 (10.34%) DHCP
5 42 (9.44%) Firewall
6 27 (6.07%) HTTP
7 26 (5.84%) WAN
8 25 (5.62%) SSL
9 21 (4.72%) DSL
10 18 (4.04%) NAS
11 17 (3.82%) Kerberos
11 17 (3.82%) Software-Defined Networking
12 16 (3.60%) Internet
13 12 (2.70%) LAN
13 12 (2.70%) NetScaler
13 12 (2.70%) VPN
14 10 (2.25%) Network Security
15 8 (1.80%) F5 BIG-IP GTM
16 7 (1.57%) Cisco Nexus
16 7 (1.57%) NGFW
Database & Business Intelligence
1 129 (28.99%) SQL Server
2 40 (8.99%) Relational Database
3 38 (8.54%) Oracle Database
4 31 (6.97%) MySQL
5 30 (6.74%) PostgreSQL
6 27 (6.07%) Oracle Database 11g
6 27 (6.07%) Oracle Database 12c
7 18 (4.04%) Amazon RDS
8 17 (3.82%) MongoDB
9 16 (3.60%) MariaDB
9 16 (3.60%) Oracle Database 10g
10 15 (3.37%) Big Data
11 14 (3.15%) RDBMS
12 13 (2.92%) DB2
13 12 (2.70%) NoSQL
13 12 (2.70%) SQL Server Integration Services
13 12 (2.70%) SQL Server Reporting Services
14 11 (2.47%) Oracle Exadata
14 11 (2.47%) Redis
15 7 (1.57%) SQL Server Analysis Services
Development Applications
1 65 (14.61%) Git (software)
2 62 (13.93%) Jenkins
3 51 (11.46%) GitLab
4 29 (6.52%) SQL Server Management Studio (SSMS)
5 15 (3.37%) JIRA
6 13 (2.92%) Bitbucket
6 13 (2.92%) Eclipse
7 12 (2.70%) Subversion
7 12 (2.70%) TeamCity
8 11 (2.47%) Gradle
9 8 (1.80%) Oracle APEX
10 7 (1.57%) Flyway
11 4 (0.90%) Fiddler
11 4 (0.90%) Serena SBM
12 3 (0.67%) Team Foundation Server
13 2 (0.45%) GoCD
13 2 (0.45%) Hudson
13 2 (0.45%) LoadUI
13 2 (0.45%) SoapUI
13 2 (0.45%) SonarQube
General
1 80 (17.98%) Social Skills
2 58 (13.03%) Banking
3 55 (12.36%) Finance
4 42 (9.44%) Public Sector
5 35 (7.87%) Investment Banking
6 23 (5.17%) Analytical Skills
7 8 (1.80%) Influencing Skills
8 7 (1.57%) Presentation Skills
9 5 (1.12%) Automotive
9 5 (1.12%) Law
10 4 (0.90%) Documentation Skills
10 4 (0.90%) Organisational Skills
11 3 (0.67%) Retail
11 3 (0.67%) Telecoms
12 2 (0.45%) Front Office
13 1 (0.22%) Back Office
13 1 (0.22%) Electronics
13 1 (0.22%) Legal
13 1 (0.22%) Local Government
13 1 (0.22%) Manufacturing
Job Titles
1 76 (17.08%) DBA
2 52 (11.69%) Infrastructure Engineer
3 50 (11.24%) SQL DBA
4 49 (11.01%) DevOps Engineer
5 47 (10.56%) Architect
6 36 (8.09%) Developer
7 30 (6.74%) Java Developer
8 19 (4.27%) Operations Engineer
8 19 (4.27%) Oracle DBA
9 18 (4.04%) Infrastructure Architect
10 17 (3.82%) Administrator
11 16 (3.60%) Wintel Engineer
12 13 (2.92%) AWS Engineer
12 13 (2.92%) SQL Server DBA
13 12 (2.70%) AWS DevOps
13 12 (2.70%) AWS DevOps Engineer
13 12 (2.70%) Consultant
14 11 (2.47%) Linux Engineer
14 11 (2.47%) Storage Engineer
14 11 (2.47%) Support Engineer
Libraries, Frameworks & Software Standards
1 32 (7.19%) cloud-init
2 30 (6.74%) Spring
3 25 (5.62%) J2EE
4 23 (5.17%) EJB
4 23 (5.17%) Middleware
5 21 (4.72%) Guice
5 21 (4.72%) Java EE
5 21 (4.72%) Struts
6 18 (4.04%) HTML
7 17 (3.82%) LDAP
7 17 (3.82%) RESTful
8 15 (3.37%) REST
9 12 (2.70%) Kafka
9 12 (2.70%) Web Services
10 11 (2.47%) Spring Boot
11 10 (2.25%) React
12 9 (2.02%) HTML5
12 9 (2.02%) ODBC
12 9 (2.02%) Redux
12 9 (2.02%) WebSockets
Miscellaneous
1 70 (15.73%) Replication
2 50 (11.24%) Data Centre
3 48 (10.79%) PKI
4 32 (7.19%) Public Cloud
5 12 (2.70%) Analytical Mindset
6 11 (2.47%) Greenfield Project
7 10 (2.25%) Enterprise Software
7 10 (2.25%) Linux Command Line
7 10 (2.25%) NHS
8 8 (1.80%) HACMP
9 7 (1.57%) Algorithms
9 7 (1.57%) CMDB
10 6 (1.35%) Blackberry
11 4 (0.90%) Client/Server
11 4 (0.90%) Enterprise Storage
12 3 (0.67%) Blockchain
12 3 (0.67%) Cybercrime
12 3 (0.67%) Digital Currency
12 3 (0.67%) Driving Licence
12 3 (0.67%) Management Information System
Operating Systems
1 217 (48.76%) Linux
2 196 (44.04%) Windows
3 108 (24.27%) Red Hat Enterprise Linux
3 108 (24.27%) Windows Server
4 65 (14.61%) Unix
5 38 (8.54%) CentOS
6 36 (8.09%) Windows Server 2012
7 35 (7.87%) Windows Server 2008
8 34 (7.64%) Windows Server 2016
9 25 (5.62%) Windows Server 2019
10 21 (4.72%) Solaris
11 16 (3.60%) Windows 10
12 15 (3.37%) AIX
13 14 (3.15%) Windows Server 2003
14 10 (2.25%) Ubuntu
15 7 (1.57%) SUSE
16 5 (1.12%) Windows 2000
16 5 (1.12%) Windows 7
17 4 (0.90%) Oracle Linux
18 3 (0.67%) Windows 2000 Server
Processes & Methodologies
1 107 (24.04%) DevOps
2 97 (21.80%) High Availability
3 83 (18.65%) Infrastructure Engineering
4 81 (18.20%) CI/CD
4 81 (18.20%) Load Balancing
5 74 (16.63%) ITIL
6 69 (15.51%) Performance Tuning
7 67 (15.06%) Disaster Recovery
8 66 (14.83%) Agile
9 56 (12.58%) Change Management
10 54 (12.13%) Problem-Solving
11 52 (11.69%) Migration
12 48 (10.79%) Continuous Integration
13 39 (8.76%) Configuration Management
14 37 (8.31%) Microservices
15 35 (7.87%) Continuous Deployment
16 33 (7.42%) Task Automation
17 32 (7.19%) Performance Optimisation
17 32 (7.19%) Unit Testing
18 23 (5.17%) Mentoring
Programming Languages
1 154 (34.61%) SQL
2 87 (19.55%) PowerShell
3 75 (16.85%) Python
4 67 (15.06%) Bash
5 48 (10.79%) Java
6 36 (8.09%) Ruby
7 35 (7.87%) Go
8 27 (6.07%) T-SQL
9 26 (5.84%) PL/SQL
9 26 (5.84%) Shell Script
10 23 (5.17%) Groovy
11 18 (4.04%) JavaScript
11 18 (4.04%) Perl
11 18 (4.04%) VBScript
12 12 (2.70%) C
13 9 (2.02%) C#
13 9 (2.02%) VB
14 6 (1.35%) Korn
14 6 (1.35%) R
14 6 (1.35%) SPARQL
Qualifications
1 132 (29.66%) Security Cleared
2 110 (24.72%) SC Cleared
3 52 (11.69%) DV Cleared
4 19 (4.27%) Degree
5 17 (3.82%) Microsoft Certification
6 14 (3.15%) MCSE
7 9 (2.02%) BPSS Clearance
7 9 (2.02%) Computer Science Degree
8 8 (1.80%) Cisco Certification
9 6 (1.35%) CCIE
9 6 (1.35%) VMware Certified Professional (VCP)
10 5 (1.12%) CCNP
11 4 (0.90%) CCSE
11 4 (0.90%) MCP
12 3 (0.67%) CISSP
12 3 (0.67%) MCSA
12 3 (0.67%) VCAP
12 3 (0.67%) VERITAS Certified Professional (VCP)
13 2 (0.45%) GPEN
13 2 (0.45%) SANS
Quality Assurance & Compliance
1 29 (6.52%) NCSC
2 22 (4.94%) QA
3 17 (3.82%) SLA
4 16 (3.60%) GDPR
5 12 (2.70%) Sarbanes-Oxley
6 3 (0.67%) ISO/IEC 27001
7 1 (0.22%) Disclosure Scotland
7 1 (0.22%) ISO/IEC 20000
System Software
1 151 (33.93%) VMware Infrastructure
2 150 (33.71%) Active Directory
3 64 (14.38%) Hyper-V
4 63 (14.16%) Docker
5 42 (9.44%) VMware ESXi
6 33 (7.42%) vSphere
7 28 (6.29%) Virtual Machines
8 24 (5.39%) Firmware
8 24 (5.39%) Veritas Cluster Server
9 17 (3.82%) Oracle RAC
10 14 (3.15%) XenApp
11 13 (2.92%) Veritas Volume Manager
11 13 (2.92%) VMware NSX
12 8 (1.80%) PowerHA
13 7 (1.57%) Virtual Servers
14 6 (1.35%) Microsoft Virtual Server
15 5 (1.12%) DFS Replication
15 5 (1.12%) NFS
15 5 (1.12%) Terminal Services
16 4 (0.90%) XenDesktop
Systems Management
1 111 (24.94%) Ansible
2 105 (23.60%) Microsoft Clustering
3 63 (14.16%) Terraform
4 52 (11.69%) Kubernetes
5 50 (11.24%) Puppet
6 41 (9.21%) Prometheus
7 40 (8.99%) ZABBIX
8 39 (8.76%) Failover Clustering
9 36 (8.09%) Packer
10 34 (7.64%) Docker Swarm
10 34 (7.64%) HAProxy
10 34 (7.64%) Istio
11 33 (7.42%) Graphite
11 33 (7.42%) Podman
11 33 (7.42%) SCCM
12 32 (7.19%) Consul
12 32 (7.19%) linkerd
13 25 (5.62%) Oracle RMAN
14 23 (5.17%) Data Guard
15 21 (4.72%) vCenter Server
Vendors
1 194 (43.60%) VMware
2 128 (28.76%) Microsoft
3 100 (22.47%) Oracle
4 92 (20.67%) Red Hat
5 57 (12.81%) Splunk
6 50 (11.24%) Cisco
7 45 (10.11%) Citrix
8 36 (8.09%) IBM
9 33 (7.42%) Veritas
10 32 (7.19%) PagerDuty
11 28 (6.29%) Sybase
12 24 (5.39%) HP
13 23 (5.17%) ServiceNow
14 20 (4.49%) NetApp
15 19 (4.27%) Sun
16 18 (4.04%) CheckPoint
17 17 (3.82%) F5
18 16 (3.60%) CyberArk
18 16 (3.60%) Symantec
19 15 (3.37%) EMC