Period
to

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 3 July 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
England > London
6 months to
3 Jul 2022
Same period 2021 Same period 2020
Rank 389 367 361
Rank change year-on-year -22 -6 +87
Contract jobs citing Clustering 211 135 45
As % of all contract jobs advertised in London 0.53% 0.49% 0.26%
As % of the Miscellaneous category 1.53% 1.43% 0.73%
Number of daily rates quoted 158 99 26
10th Percentile £443 £360 -
25th Percentile £500 £413 £350
Median daily rate (50th Percentile) £590 £520 £419
Median % change year-on-year +13.46% +24.18% -16.25%
75th Percentile £663 £625 £497
90th Percentile £781 £688 £551
England median daily rate £575 £475 £431
% change year-on-year +21.05% +10.21% -2.54%
Number of hourly rates quoted 2 0 2
10th Percentile £43.38 - £45.96
25th Percentile £46.56 - £46.27
Median hourly rate £53.75 - £47.17
75th Percentile £61.56 - £47.69
90th Percentile £65.13 - £47.77
England median hourly rate £60.00 - £46.50

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 advertised in London with a requirement for generic IT skills.

All Generic Skills
London
Contract vacancies with a requirement for generic IT skills 13,786 9,414 6,175
As % of all contract IT jobs advertised in London 34.81% 34.00% 35.01%
Number of daily rates quoted 10,105 6,600 4,513
10th Percentile £400 £355 £320
25th Percentile £488 £450 £425
Median daily rate (50th Percentile) £600 £550 £533
Median % change year-on-year +9.09% +3.29% +1.43%
75th Percentile £725 £656 £650
90th Percentile £819 £750 £750
England median daily rate £550 £500 £500
% change year-on-year +10.00% - +5.26%
Number of hourly rates quoted 193 146 90
10th Percentile £18.09 £15.40 £14.25
25th Percentile £23.91 £20.00 £21.58
Median hourly rate £40.50 £32.45 £38.50
Median % change year-on-year +24.81% -15.70% +57.12%
75th Percentile £51.75 £44.69 £47.81
90th Percentile £67.50 £57.50 £53.98
England median hourly rate £26.50 £25.00 £24.70
% change year-on-year +6.00% +1.21% +17.62%

Clustering
Job Vacancy Trend in London

Job postings citing Clustering as a proportion of all IT jobs advertised in London.

Job vacancy trend for Clustering in London

Clustering
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Clustering in London.

Daily rate trend for Clustering in London

Clustering
Daily Rate Histogram in London

Daily rate distribution for jobs citing Clustering in London over the 6 months to 3 July 2022.

Daily rate histogram for Clustering in London

Clustering
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Clustering in London.

Hourly rate trend for Clustering in London

Clustering
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Clustering in London over the 6 months to 3 July 2022.

Hourly rate histogram for Clustering in London

Clustering
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the London region over the 6 months to 3 July 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
Central London -10 24 £568 -18.93% 3
South London -14 3 £330 -
West London - 1 £450 -
Clustering
England

For the 6 months to 3 July 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 across the London region with a requirement for Clustering.

1 90 (42.65%) Linux
2 84 (39.81%) Windows
3 78 (36.97%) SQL
4 73 (34.60%) VMware
5 64 (30.33%) VMware Infrastructure
6 58 (27.49%) Active Directory
7 52 (24.64%) SQL Server
8 50 (23.70%) Microsoft Clustering
9 49 (23.22%) Windows Server
9 49 (23.22%) DevOps
9 49 (23.22%) Security Cleared
9 49 (23.22%) Oracle
10 48 (22.75%) AWS
10 48 (22.75%) Ansible
11 46 (21.80%) Red Hat Enterprise Linux
11 46 (21.80%) Azure
12 45 (21.33%) Performance Tuning
13 44 (20.85%) Replication
13 44 (20.85%) Infrastructure Engineering
14 42 (19.91%) Python
14 42 (19.91%) SC Cleared
14 42 (19.91%) High Availability
15 40 (18.96%) Java
15 40 (18.96%) Red Hat
16 38 (18.01%) DNS
16 38 (18.01%) Agile
16 38 (18.01%) Banking
17 37 (17.54%) PowerShell
18 36 (17.06%) Load Balancing
18 36 (17.06%) CI/CD

Clustering
Co-occurring IT Skills in London 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 18 (8.53%) nginx
2 13 (6.16%) IIS
2 13 (6.16%) Traefik
3 11 (5.21%) WebLogic
3 11 (5.21%) WebSphere
4 10 (4.74%) WebSphere Application Server
5 9 (4.27%) MS Exchange
5 9 (4.27%) SharePoint
6 7 (3.32%) IBM HTTP Server
7 6 (2.84%) Apache
7 6 (2.84%) Confluence
7 6 (2.84%) Tomcat
7 6 (2.84%) WebLogic Portal
8 5 (2.37%) JBoss
9 4 (1.90%) OpenStack
9 4 (1.90%) Oracle SOA Suite
10 2 (0.95%) Exchange Server 2010
10 2 (0.95%) Oracle HTTP Server
10 2 (0.95%) Red Hat Fuse
11 1 (0.47%) WebSphere Portal
Applications
1 10 (4.74%) Microsoft Office
2 1 (0.47%) MS Visio
Business Applications
1 5 (2.37%) Oracle EBS
2 1 (0.47%) Maximo
2 1 (0.47%) Oracle Payables
Cloud Services
1 48 (22.75%) AWS
2 46 (21.80%) Azure
3 24 (11.37%) GCP
4 21 (9.95%) Amazon EC2
5 16 (7.58%) AWS CloudFormation
6 15 (7.11%) Amazon S3
6 15 (7.11%) GitHub
6 15 (7.11%) Microsoft 365
7 12 (5.69%) Amazon CloudWatch
7 12 (5.69%) Virtual Private Cloud
8 11 (5.21%) IaaS
9 7 (3.32%) PaaS
10 6 (2.84%) Azure DevOps
10 6 (2.84%) Cloud Computing
10 6 (2.84%) Nutanix
10 6 (2.84%) Rubrik
10 6 (2.84%) SaaS
11 5 (2.37%) Azure Active Directory
12 3 (1.42%) Amazon SQS
12 3 (1.42%) AWS Lambda
Communications & Networking
1 38 (18.01%) DNS
2 28 (13.27%) SAN
3 25 (11.85%) TCP/IP
4 20 (9.48%) Firewall
5 18 (8.53%) DSL
6 13 (6.16%) HTTP
7 11 (5.21%) DHCP
7 11 (5.21%) SSL
8 10 (4.74%) Internet
8 10 (4.74%) Software-Defined Networking
9 8 (3.79%) NAS
10 7 (3.32%) WAN
11 6 (2.84%) Kerberos
12 4 (1.90%) Broadband
12 4 (1.90%) LAN
12 4 (1.90%) Unified Communications
12 4 (1.90%) VPN
12 4 (1.90%) WebEx
13 3 (1.42%) iSCSI
13 3 (1.42%) Network Security
Database & Business Intelligence
1 52 (24.64%) SQL Server
2 31 (14.69%) Relational Database
3 18 (8.53%) PostgreSQL
4 16 (7.58%) Oracle Database
5 14 (6.64%) Oracle Database 12c
6 12 (5.69%) RDBMS
7 11 (5.21%) Amazon RDS
8 10 (4.74%) Metadata
8 10 (4.74%) Oracle Database 11g
9 9 (4.27%) Redis
9 9 (4.27%) SQL Server Integration Services
9 9 (4.27%) SQL Server Reporting Services
10 8 (3.79%) DB2
10 8 (3.79%) MySQL
10 8 (3.79%) NoSQL
11 7 (3.32%) MongoDB
12 6 (2.84%) Big Data
12 6 (2.84%) Oracle Database 10g
12 6 (2.84%) Pentaho
13 5 (2.37%) MariaDB
Development Applications
1 33 (15.64%) Git (software)
2 27 (12.80%) Jenkins
3 17 (8.06%) SQL Server Management Studio (SSMS)
4 16 (7.58%) GitLab
5 10 (4.74%) JIRA
6 9 (4.27%) Gradle
7 6 (2.84%) Subversion
7 6 (2.84%) TeamCity
8 5 (2.37%) Flyway
9 4 (1.90%) Serena SBM
10 3 (1.42%) Eclipse
11 2 (0.95%) Bitbucket
11 2 (0.95%) Fiddler
11 2 (0.95%) Oracle Forms
11 2 (0.95%) PeopleTools
12 1 (0.47%) Gerrit
12 1 (0.47%) Team Foundation Server
12 1 (0.47%) Visual Studio Team System
General
1 38 (18.01%) Banking
2 34 (16.11%) Investment Banking
3 29 (13.74%) Social Skills
4 26 (12.32%) Finance
5 13 (6.16%) Analytical Skills
6 11 (5.21%) Public Sector
7 4 (1.90%) Influencing Skills
8 3 (1.42%) Documentation Skills
8 3 (1.42%) Front Office
8 3 (1.42%) Law
9 2 (0.95%) Presentation Skills
10 1 (0.47%) Automotive
10 1 (0.47%) International Banking
10 1 (0.47%) Legal
10 1 (0.47%) Telecoms
Job Titles
1 47 (22.27%) DBA
2 31 (14.69%) SQL DBA
3 30 (14.22%) Developer
4 29 (13.74%) Java Developer
5 24 (11.37%) Infrastructure Engineer
6 23 (10.90%) DevOps Engineer
7 18 (8.53%) Architect
8 11 (5.21%) Operations Engineer
8 11 (5.21%) Oracle DBA
8 11 (5.21%) SQL Server DBA
9 9 (4.27%) AWS DevOps
9 9 (4.27%) AWS DevOps Engineer
9 9 (4.27%) AWS Engineer
9 9 (4.27%) React Developer
9 9 (4.27%) Storage Engineer
10 8 (3.79%) Knowledge Engineer
11 7 (3.32%) Infrastructure Architect
12 6 (2.84%) CyberArk Architect
12 6 (2.84%) Solutions Architect
12 6 (2.84%) Sybase DBA
Libraries, Frameworks & Software Standards
1 27 (12.80%) Spring
2 20 (9.48%) EJB
2 20 (9.48%) J2EE
3 19 (9.00%) HTML
4 18 (8.53%) Guice
4 18 (8.53%) Java EE
4 18 (8.53%) Struts
5 13 (6.16%) REST
6 12 (5.69%) cloud-init
6 12 (5.69%) RESTful
7 11 (5.21%) Kafka
7 11 (5.21%) Spring Boot
8 9 (4.27%) HTML5
8 9 (4.27%) Middleware
8 9 (4.27%) React
8 9 (4.27%) Redux
8 9 (4.27%) WebSockets
9 8 (3.79%) NetworkX
10 6 (2.84%) LDAP
11 4 (1.90%) Web Services
Miscellaneous
1 44 (20.85%) Replication
2 18 (8.53%) PKI
3 15 (7.11%) Data Centre
4 12 (5.69%) Greenfield Project
5 9 (4.27%) Enterprise Software
6 8 (3.79%) Algorithms
7 6 (2.84%) Analytical Mindset
7 6 (2.84%) Public Cloud
8 5 (2.37%) Linux Command Line
9 4 (1.90%) Blackberry
10 2 (0.95%) Client/Server
10 2 (0.95%) Data Protection Act
10 2 (0.95%) Management Information System
10 2 (0.95%) NHS
10 2 (0.95%) Self-Motivation
11 1 (0.47%) Data Structures
11 1 (0.47%) Derivative
11 1 (0.47%) Digital Currency
11 1 (0.47%) Foreign Exchange (FX)
11 1 (0.47%) Low-Code
Operating Systems
1 90 (42.65%) Linux
2 84 (39.81%) Windows
3 49 (23.22%) Windows Server
4 46 (21.80%) Red Hat Enterprise Linux
5 17 (8.06%) Unix
6 14 (6.64%) CentOS
7 13 (6.16%) Windows Server 2012
7 13 (6.16%) Windows Server 2016
8 10 (4.74%) Windows Server 2008
9 8 (3.79%) Solaris
10 7 (3.32%) Windows Server 2019
11 4 (1.90%) Ubuntu
12 2 (0.95%) Windows 10
13 1 (0.47%) AIX
13 1 (0.47%) Data ONTAP
13 1 (0.47%) HPUX
13 1 (0.47%) SUSE
Processes & Methodologies
1 49 (23.22%) DevOps
2 45 (21.33%) Performance Tuning
3 44 (20.85%) Infrastructure Engineering
4 42 (19.91%) High Availability
5 38 (18.01%) Agile
6 36 (17.06%) CI/CD
6 36 (17.06%) Load Balancing
7 29 (13.74%) ITIL
8 24 (11.37%) Disaster Recovery
9 23 (10.90%) Change Management
9 23 (10.90%) Microservices
9 23 (10.90%) Problem-Solving
10 22 (10.43%) Migration
11 20 (9.48%) Continuous Integration
12 18 (8.53%) Domain-Driven Design
12 18 (8.53%) Memory Management
12 18 (8.53%) Performance Optimisation
12 18 (8.53%) Wealth Management
13 16 (7.58%) Configuration Management
14 15 (7.11%) Task Automation
Programming Languages
1 78 (36.97%) SQL
2 42 (19.91%) Python
3 40 (18.96%) Java
4 37 (17.54%) PowerShell
5 24 (11.37%) Bash
6 19 (9.00%) Groovy
6 19 (9.00%) JavaScript
7 18 (8.53%) T-SQL
8 15 (7.11%) Ruby
9 14 (6.64%) Go
10 13 (6.16%) Perl
11 11 (5.21%) PL/SQL
11 11 (5.21%) Shell Script
12 8 (3.79%) C
12 8 (3.79%) SPARQL
13 5 (2.37%) Korn
14 4 (1.90%) C#
15 3 (1.42%) R
15 3 (1.42%) VB
15 3 (1.42%) VBScript
Qualifications
1 49 (23.22%) Security Cleared
2 42 (19.91%) SC Cleared
3 26 (12.32%) DV Cleared
4 3 (1.42%) BPSS Clearance
4 3 (1.42%) CISSP
4 3 (1.42%) Degree
5 2 (0.95%) CCNP
5 2 (0.95%) Cisco Certification
5 2 (0.95%) GCFA
5 2 (0.95%) GCIH
5 2 (0.95%) GPEN
5 2 (0.95%) ITIL Certification
5 2 (0.95%) SANS
6 1 (0.47%) CCSA
6 1 (0.47%) CCSE
6 1 (0.47%) LPIC
6 1 (0.47%) RHCE
6 1 (0.47%) RHCT
6 1 (0.47%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 12 (5.69%) NCSC
1 12 (5.69%) QA
2 6 (2.84%) GDPR
2 6 (2.84%) Sarbanes-Oxley
2 6 (2.84%) SLA
3 1 (0.47%) Disclosure Scotland
System Software
1 64 (30.33%) VMware Infrastructure
2 58 (27.49%) Active Directory
3 32 (15.17%) Docker
4 14 (6.64%) Hyper-V
5 13 (6.16%) Virtual Machines
5 13 (6.16%) vSphere
6 12 (5.69%) VMware ESXi
7 9 (4.27%) VMware NSX
8 8 (3.79%) Veritas Cluster Server
8 8 (3.79%) Veritas Volume Manager
8 8 (3.79%) XenApp
9 5 (2.37%) Firmware
9 5 (2.37%) Oracle RAC
10 4 (1.90%) Terminal Services
11 3 (1.42%) NFS
12 2 (0.95%) Microsoft App-V
12 2 (0.95%) Virtual Servers
13 1 (0.47%) Microsoft Virtual Server
13 1 (0.47%) Veritas File System
13 1 (0.47%) XenDesktop
Systems Management
1 50 (23.70%) Microsoft Clustering
2 48 (22.75%) Ansible
3 24 (11.37%) Terraform
4 23 (10.90%) Kubernetes
5 21 (9.95%) Puppet
6 19 (9.00%) Failover Clustering
7 17 (8.06%) ZABBIX
8 16 (7.58%) Prometheus
9 14 (6.64%) HAProxy
9 14 (6.64%) SCCM
10 13 (6.16%) Docker Swarm
10 13 (6.16%) Graphite
10 13 (6.16%) Packer
10 13 (6.16%) Podman
11 12 (5.69%) Cisco CUCM
11 12 (5.69%) Consul
11 12 (5.69%) Istio
11 12 (5.69%) linkerd
12 10 (4.74%) SCOM
12 10 (4.74%) vRealize
Vendors
1 73 (34.60%) VMware
2 49 (23.22%) Oracle
3 40 (18.96%) Red Hat
4 35 (16.59%) Microsoft
5 30 (14.22%) Cisco
6 23 (10.90%) Splunk
7 18 (8.53%) Citrix
8 16 (7.58%) IBM
9 15 (7.11%) Sybase
10 12 (5.69%) CyberArk
10 12 (5.69%) PagerDuty
10 12 (5.69%) ServiceNow
11 11 (5.21%) CheckPoint
12 10 (4.74%) NetApp
13 9 (4.27%) EMC
13 9 (4.27%) Isilon
14 8 (3.79%) Veritas
15 7 (3.32%) BMC
15 7 (3.32%) Sun
16 6 (2.84%) Qualys