Period
to 24 February 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 February 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 Feb 2021
Same period 2020 Same period 2019
Rank 411 470 475
Rank change year-on-year +59 +5 -44
Contract jobs citing Clustering 217 268 467
As % of all contract jobs advertised in the UK 0.46% 0.40% 0.48%
As % of the Miscellaneous category 1.37% 1.25% 1.50%
Number of daily rates quoted 207 194 307
Median daily rate £475 £425 £425
Median daily rate % change year-on-year +11.76% - -
10th Percentile £313 £322 £316
90th Percentile £680 £624 £574
UK excluding London median daily rate £406 £425 £411
% change year-on-year -4.41% +3.34% +2.81%
Number of hourly rates quoted 19 6 4
Median hourly rate £60.00 £44.00 £44.38
Median hourly rate % change year-on-year +36.36% -0.86% +38.70%
10th Percentile £55.75 £27.63 £39.48
90th Percentile £60.45 £52.25 £47.51
UK excluding London median hourly rate £60.00 £47.00 £45.05
% change year-on-year +27.66% +4.33% +40.77%

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 15,834 21,430 31,109
As % of all contract IT jobs advertised in the UK 33.51% 31.59% 31.91%
Number of daily rates quoted 10,577 13,894 20,733
Median daily rate £475 £461 £475
Median daily rate % change year-on-year +3.06% -2.97% +5.56%
10th Percentile £255 £230 £275
90th Percentile £688 £675 £663
UK excluding London median daily rate £418 £425 £425
% change year-on-year -1.76% - +6.25%
Number of hourly rates quoted 639 913 974
Median hourly rate £26.00 £22.00 £20.00
Median hourly rate % change year-on-year +18.18% +10.00% -4.76%
10th Percentile £12.50 £12.44 £11.85
90th Percentile £58.75 £53.00 £48.75
Median hourly rate £24.00 £20.21 £19.25
% change year-on-year +18.78% +4.96% -3.75%

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 February 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 24 February 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 +75 184 £490 +13.82% 77
London +114 107 £525 +10.53% 40
UK excluding London +39 79 £406 -4.41% 41
Work from Home -153 74 £478 -4.50% 19
North of England +37 26 £400 - 9
South East +58 23 £490 +13.29% 15
North West +31 15 £400 +6.67% 9
Yorkshire +41 11 £413 -6.25%
Scotland +31 8 £375 +3.38% 2
East of England +47 6 £310 -29.14% 3
Midlands +45 6 £400 -5.88% 6
Wales +25 6 £443 +10.63%
East Midlands +30 5 £400 -25.58% 1
South West +65 4 £613 +42.44% 4
West Midlands +21 1 £358 -15.88% 5

For the 6 months to 24 February 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 84 (38.71%) Linux
2 74 (34.10%) Windows
3 69 (31.80%) Security Cleared
4 68 (31.34%) High Availability
5 66 (30.41%) VMware
6 64 (29.49%) Performance Tuning
7 60 (27.65%) Azure
8 59 (27.19%) Windows Server
9 58 (26.73%) Agile Software Development
9 58 (26.73%) SQL Server
10 56 (25.81%) Java
10 56 (25.81%) Oracle
11 55 (25.35%) REST
12 54 (24.88%) Jenkins
12 54 (24.88%) Active Directory
13 53 (24.42%) SC Cleared
14 51 (23.50%) VMware Infrastructure
15 46 (21.20%) Windows Server 2012
15 46 (21.20%) Microsoft Clustering
16 45 (20.74%) Microservices
16 45 (20.74%) Microsoft
16 45 (20.74%) Finance
17 44 (20.28%) JavaScript
18 43 (19.82%) SQL
18 43 (19.82%) DNS
18 43 (19.82%) Analytical Skills
19 42 (19.35%) Middleware
20 41 (18.89%) Spring
20 41 (18.89%) Continuous Integration
20 41 (18.89%) Relational Database

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 29 (13.36%) MS Exchange
2 27 (12.44%) Apache
3 25 (11.52%) SharePoint
4 23 (10.60%) IIS
5 22 (10.14%) Red Hat Fuse
6 7 (3.23%) Oracle SOA Suite
6 7 (3.23%) WebLogic
6 7 (3.23%) WebLogic Portal
7 6 (2.76%) Confluence
8 5 (2.30%) Anypoint
8 5 (2.30%) Exchange Server 2010
8 5 (2.30%) WebSphere
9 4 (1.84%) Apache ServiceMix
9 4 (1.84%) IBM Domino
9 4 (1.84%) Mule
9 4 (1.84%) Mule ESB
9 4 (1.84%) Tomcat
9 4 (1.84%) WebSphere Application Server
10 2 (0.92%) Oracle Coherence
10 2 (0.92%) SAS
Applications
1 10 (4.61%) Microsoft Office
2 4 (1.84%) MS Visio
3 2 (0.92%) Microsoft Excel
3 2 (0.92%) Sketch
4 1 (0.46%) Microsoft PowerPoint
Business Applications
1 7 (3.23%) Oracle Applications
1 7 (3.23%) Oracle EBS
2 4 (1.84%) Magento
2 4 (1.84%) Shopify
3 1 (0.46%) Dynamics CRM
3 1 (0.46%) Maximo
3 1 (0.46%) Remedy ITSM
Cloud Services
1 60 (27.65%) Azure
2 36 (16.59%) AWS
3 35 (16.13%) Microsoft 365
4 21 (9.68%) PaaS
5 17 (7.83%) SaaS
6 16 (7.37%) GitHub
7 14 (6.45%) IaaS
8 12 (5.53%) GCP
9 11 (5.07%) Amazon ECS
9 11 (5.07%) AWS CloudFormation
10 10 (4.61%) Cloud Computing
11 8 (3.69%) Amazon ElastiCache
11 8 (3.69%) Amazon Kinesis
12 4 (1.84%) AWS Lambda
12 4 (1.84%) Serverless
13 2 (0.92%) Amazon EMR
13 2 (0.92%) Azure Active Directory
14 1 (0.46%) Amazon S3
14 1 (0.46%) Power Platform
Communications & Networking
1 43 (19.82%) DNS
2 21 (9.68%) WAAS
3 19 (8.76%) TCP/IP
4 13 (5.99%) Firewall
5 11 (5.07%) DHCP
6 10 (4.61%) LAN
6 10 (4.61%) SSL
6 10 (4.61%) WAN
7 9 (4.15%) HTTP
7 9 (4.15%) Kerberos
7 9 (4.15%) SAN
8 8 (3.69%) iSCSI
8 8 (3.69%) VSAN
9 7 (3.23%) SSH
10 6 (2.76%) IPv4
10 6 (2.76%) IPv6
11 5 (2.30%) SNMP
12 4 (1.84%) FTP
13 3 (1.38%) Intrusion Detection
14 2 (0.92%) VLAN
Database & Business Intelligence
1 58 (26.73%) SQL Server
2 41 (18.89%) Relational Database
3 20 (9.22%) PostgreSQL
4 12 (5.53%) RDBMS
5 11 (5.07%) Oracle Database
5 11 (5.07%) SQL Server 2008
6 8 (3.69%) Oracle BI EE
7 7 (3.23%) Apache Cassandra
7 7 (3.23%) Data Warehouse
7 7 (3.23%) NoSQL
7 7 (3.23%) Oracle Database 10g
7 7 (3.23%) Oracle Database 11g
7 7 (3.23%) Oracle Database 12c
7 7 (3.23%) SQL Server Integration Services
7 7 (3.23%) SQL Server Reporting Services
8 6 (2.76%) MySQL
8 6 (2.76%) SQL Server 2019
9 5 (2.30%) Redis
9 5 (2.30%) SQL Server 2012
9 5 (2.30%) SQL Server Analysis Services
Development Applications
1 54 (24.88%) Jenkins
2 19 (8.76%) Git (software)
3 10 (4.61%) JIRA
4 8 (3.69%) Maven
5 7 (3.23%) Subversion
6 6 (2.76%) Gradle
7 5 (2.30%) JUnit
8 4 (1.84%) Bitbucket
9 3 (1.38%) Hudson
9 3 (1.38%) TeamCity
10 2 (0.92%) Axure RP
10 2 (0.92%) Balsamiq
10 2 (0.92%) Serena SBM
11 1 (0.46%) Artifactory
11 1 (0.46%) Atlassian Bamboo
11 1 (0.46%) ER Studio
11 1 (0.46%) ERwin
General
1 45 (20.74%) Finance
2 31 (14.29%) Banking
3 27 (12.44%) Public Sector
4 5 (2.30%) Marketing
4 5 (2.30%) Retail
5 3 (1.38%) Investment Banking
5 3 (1.38%) Manufacturing
6 2 (0.92%) Advertising
6 2 (0.92%) Dutch Language
6 2 (0.92%) Electronics
6 2 (0.92%) Multimedia
6 2 (0.92%) Pharmaceutical
6 2 (0.92%) Telecoms
7 1 (0.46%) Aerospace
7 1 (0.46%) Automotive
7 1 (0.46%) Financial Institution
7 1 (0.46%) International Banking
7 1 (0.46%) Law
7 1 (0.46%) Spanish Language
Job Titles
1 57 (26.27%) Architect
2 27 (12.44%) DBA
3 25 (11.52%) Solutions Architect
4 23 (10.60%) Developer
5 22 (10.14%) Java Developer
6 21 (9.68%) Administrator
7 19 (8.76%) Technical Architect
8 17 (7.83%) SQL DBA
9 16 (7.37%) Consultant
10 13 (5.99%) Java Architect
10 13 (5.99%) Java Solutions Architect
11 9 (4.15%) AWS Developer
11 9 (4.15%) Oracle DBA
11 9 (4.15%) Systems Administrator
12 8 (3.69%) Data Scientist
13 7 (3.23%) Senior Developer
14 6 (2.76%) Azure Architect
14 6 (2.76%) Infrastructure Engineer
14 6 (2.76%) Infrastructure Specialist
14 6 (2.76%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 55 (25.35%) REST
2 42 (19.35%) Middleware
3 41 (18.89%) Spring
4 37 (17.05%) HTML
5 33 (15.21%) HTML5
6 29 (13.36%) Hibernate
7 27 (12.44%) JMS
8 26 (11.98%) JDBC
9 25 (11.52%) Ajax
9 25 (11.52%) AngularJS
10 24 (11.06%) Apache Camel
10 24 (11.06%) GWT
10 24 (11.06%) jQuery
10 24 (11.06%) JSF
11 23 (10.60%) OSGi
12 16 (7.37%) Spring Boot
13 12 (5.53%) SOAP
13 12 (5.53%) Web Services
14 10 (4.61%) Kafka
14 10 (4.61%) Redux
Miscellaneous
1 43 (19.82%) Analytical Skills
2 35 (16.13%) Enterprise Software
3 22 (10.14%) EMC VNX
4 21 (9.68%) Replication
5 13 (5.99%) Data Centre
5 13 (5.99%) LPAR
6 9 (4.15%) Management Information System
7 8 (3.69%) Data Structures
8 6 (2.76%) Hybrid Cloud
9 4 (1.84%) Greenfield Project
9 4 (1.84%) NHS
9 4 (1.84%) User Experience
9 4 (1.84%) Virtual Team
10 2 (0.92%) Cloud Native
10 2 (0.92%) Distributed Denial-of-Service
10 2 (0.92%) Fat Client
10 2 (0.92%) Fixed Income
10 2 (0.92%) HACMP
10 2 (0.92%) Self-Motivation
10 2 (0.92%) Thin Client
Operating Systems
1 84 (38.71%) Linux
2 74 (34.10%) Windows
3 59 (27.19%) Windows Server
4 46 (21.20%) Windows Server 2012
5 37 (17.05%) Red Hat Enterprise Linux
6 30 (13.82%) Unix
7 25 (11.52%) Windows 10
8 21 (9.68%) Windows XP
9 19 (8.76%) Windows Server 2016
10 17 (7.83%) AIX
11 16 (7.37%) Windows Server 2008
12 13 (5.99%) Windows Server 2019
13 9 (4.15%) Solaris
14 4 (1.84%) CentOS
15 3 (1.38%) Ubuntu
15 3 (1.38%) Windows Server 2003
16 2 (0.92%) HPUX
16 2 (0.92%) Mac OS X
16 2 (0.92%) SUSE
17 1 (0.46%) Windows 2000
Processes & Methodologies
1 68 (31.34%) High Availability
2 64 (29.49%) Performance Tuning
3 58 (26.73%) Agile Software Development
4 45 (20.74%) Microservices
5 41 (18.89%) Continuous Integration
6 38 (17.51%) Problem-Solving
7 35 (16.13%) Scalability Testing
8 33 (15.21%) OO
8 33 (15.21%) Scrum
8 33 (15.21%) Web Development
9 30 (13.82%) Migration
9 30 (13.82%) Open Source
10 21 (9.68%) Extreme Programming
10 21 (9.68%) ITIL
10 21 (9.68%) RUP
11 20 (9.22%) Continuous Improvement
12 18 (8.29%) Load Balancing
12 18 (8.29%) Mentoring
12 18 (8.29%) Performance Monitoring
13 15 (6.91%) Computer Science
Programming Languages
1 56 (25.81%) Java
2 44 (20.28%) JavaScript
3 43 (19.82%) SQL
4 26 (11.98%) Java 8
4 26 (11.98%) PowerShell
5 21 (9.68%) Python
6 9 (4.15%) Bash Shell
7 8 (3.69%) T-SQL
8 7 (3.23%) PL/SQL
9 6 (2.76%) Go
10 5 (2.30%) Perl
10 5 (2.30%) Shell Script
11 4 (1.84%) PHP
12 3 (1.38%) TypeScript
13 2 (0.92%) C
14 1 (0.46%) C#
14 1 (0.46%) Kotlin
14 1 (0.46%) R
14 1 (0.46%) Scala
14 1 (0.46%) VBScript
Qualifications
1 69 (31.80%) Security Cleared
2 53 (24.42%) SC Cleared
3 16 (7.37%) Degree
4 12 (5.53%) Computer Science Degree
4 12 (5.53%) Master's Degree
5 10 (4.61%) DV Cleared
6 5 (2.30%) AWS Certification
6 5 (2.30%) Microsoft Certification
7 4 (1.84%) CTC Cleared
7 4 (1.84%) VMware Certified Professional (VCP)
8 3 (1.38%) CISM
8 3 (1.38%) CISSP
9 2 (0.92%) CCNA
9 2 (0.92%) CCNP
9 2 (0.92%) CISA
9 2 (0.92%) Cisco Certification
9 2 (0.92%) ISO 27001 Lead Auditor
9 2 (0.92%) MCITP
9 2 (0.92%) MCSA
9 2 (0.92%) VCAP
Quality Assurance & Compliance
1 6 (2.76%) GDPR
1 6 (2.76%) MiFID
1 6 (2.76%) QA
1 6 (2.76%) Sarbanes-Oxley
2 5 (2.30%) ISO/IEC 27001
3 3 (1.38%) COBIT
3 3 (1.38%) ISO 31000
3 3 (1.38%) NIST
3 3 (1.38%) SLA
4 2 (0.92%) Actionable Recommendations
4 2 (0.92%) Disclosure Scotland
4 2 (0.92%) GMP
5 1 (0.46%) IFRS
System Software
1 54 (24.88%) Active Directory
2 51 (23.50%) VMware Infrastructure
3 14 (6.45%) Hyper-V
3 14 (6.45%) VMware ESXi
4 13 (5.99%) GPFS
4 13 (5.99%) PowerHA
5 12 (5.53%) Docker
5 12 (5.53%) vSphere
6 6 (2.76%) Virtual Machines
7 5 (2.30%) Oracle RAC
8 4 (1.84%) Postfix
8 4 (1.84%) qmail
8 4 (1.84%) vCloud
8 4 (1.84%) VMware NSX
9 3 (1.38%) NFS
10 2 (0.92%) DFS Replication
10 2 (0.92%) KVM
10 2 (0.92%) Veritas Cluster Server
10 2 (0.92%) Veritas File System
10 2 (0.92%) XenApp
Systems Management
1 46 (21.20%) Microsoft Clustering
2 25 (11.52%) SCCM
3 21 (9.68%) IBM BigFix
3 21 (9.68%) Microsoft Intune
4 14 (6.45%) Kubernetes
5 13 (5.99%) Ansible
6 9 (4.15%) Failover Clustering
6 9 (4.15%) Puppet
6 9 (4.15%) vCenter Server
6 9 (4.15%) vRealize
7 8 (3.69%) SCOM
7 8 (3.69%) Terraform
8 7 (3.23%) NetBackup
8 7 (3.23%) Oracle RMAN
8 7 (3.23%) Red Hat Satellite
9 5 (2.30%) Netcool
9 5 (2.30%) Opscode Chef
9 5 (2.30%) WSUS
10 4 (1.84%) Single Sign-On
10 4 (1.84%) vRealize Orchestrator
Vendors
1 66 (30.41%) VMware
2 56 (25.81%) Oracle
3 45 (20.74%) Microsoft
4 40 (18.43%) Red Hat
5 28 (12.90%) IBM
6 26 (11.98%) EMC
7 12 (5.53%) Citrix
8 11 (5.07%) Dell
8 11 (5.07%) HP
9 8 (3.69%) Cisco
9 8 (3.69%) Symantec
10 7 (3.23%) Veritas
11 6 (2.76%) CyberArk
11 6 (2.76%) F5
11 6 (2.76%) MuleSoft
11 6 (2.76%) Splunk
12 4 (1.84%) Dynatrace
12 4 (1.84%) Infoblox
12 4 (1.84%) New Relic
12 4 (1.84%) SaltStack