Period
to 19 September 2020

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in Central London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 19 September 2020 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
London > Central London
6 months to
19 Sep 2020
Same period 2019 Same period 2018
Rank 118 248 281
Rank change year-on-year +130 +33 -53
Contract jobs citing Clustering 10 20 14
As % of all contract jobs advertised in Central London 0.50% 0.25% 0.15%
As % of the Miscellaneous category 1.39% 0.78% 0.39%
Number of daily rates quoted 11 14 7
Median daily rate £500 £488 £500
Median daily rate % change year-on-year +2.56% -2.50% +17.65%
10th Percentile £406 £335 £438
90th Percentile £538 £873 £593
London median daily rate £450 £500 £450
% change year-on-year -10.00% +11.11% -2.70%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
London median hourly rate £47.17 £44.56 £43.09
% change year-on-year +5.86% +3.40% +56.69%

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 Central London with a requirement for generic IT skills.

All Generic IT Skills
Central London
Contract vacancies with a requirement for generic IT skills 722 2,564 3,546
As % of all contract IT jobs advertised in Central London 35.81% 31.97% 38.77%
Number of daily rates quoted 455 1,935 2,683
Median daily rate £525 £525 £515
Median daily rate % change year-on-year - +1.94% -1.90%
10th Percentile £306 £313 £313
90th Percentile £698 £688 £700
London median daily rate £525 £525 £515
% change year-on-year - +1.94% +3.00%
Number of hourly rates quoted 30 43 60
Median hourly rate £35.75 £20.50 £19.38
Median hourly rate % change year-on-year +74.39% +5.81% +1.97%
10th Percentile £16.80 £11.25 £13.31
90th Percentile £48.63 £50.83 £37.09
Median hourly rate £35.00 £24.12 £24.00
% change year-on-year +45.11% +0.50% +9.09%

Clustering
Job Vacancy Trend in Central London

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

Job vacancy trend for Clustering in Central London

Clustering
Contractor Daily Rate Trend in Central London

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

Daily rate trend for Clustering in Central London

Clustering
Contractor Hourly Rate Trend in Central London

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

Hourly rate trend for Clustering in Central London

Clustering
Contract Job Locations in Central 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 Central London region over the 6 months to 19 September 2020. 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
City of London +103 9 £500 +2.56% 3
Clustering
London

For the 6 months to 19 September 2020, 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 Central London region with a requirement for Clustering.

1 10 (100.00%) High Availability
2 8 (80.00%) IaaS
3 7 (70.00%) PaaS
4 6 (60.00%) AWS
4 6 (60.00%) SaaS
4 6 (60.00%) Windows Server
4 6 (60.00%) Oracle
4 6 (60.00%) Windows
4 6 (60.00%) Banking
5 5 (50.00%) Active Directory
5 5 (50.00%) Finance
5 5 (50.00%) VMware
5 5 (50.00%) VMware Infrastructure
5 5 (50.00%) Kerberos
5 5 (50.00%) TCP/IP
5 5 (50.00%) LDAP
5 5 (50.00%) Windows Server 2012
5 5 (50.00%) Kubernetes
5 5 (50.00%) Security Hardening
5 5 (50.00%) SaltStack
5 5 (50.00%) GCP
5 5 (50.00%) Windows Server 2016
5 5 (50.00%) Opscode Chef
5 5 (50.00%) Ansible
5 5 (50.00%) Puppet
5 5 (50.00%) VMware ESXi
5 5 (50.00%) Windows Server 2008
5 5 (50.00%) Cloud Computing
5 5 (50.00%) Azure
6 4 (40.00%) GitHub

Clustering
Co-occurring IT Skills in Central 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 1 (10.00%) Confluence
1 1 (10.00%) SharePoint
Cloud Services
1 8 (80.00%) IaaS
2 7 (70.00%) PaaS
3 6 (60.00%) AWS
3 6 (60.00%) SaaS
4 5 (50.00%) Azure
4 5 (50.00%) Cloud Computing
4 5 (50.00%) GCP
5 4 (40.00%) GitHub
6 1 (10.00%) Amazon ECS
6 1 (10.00%) Amazon ElastiCache
6 1 (10.00%) Amazon Kinesis
6 1 (10.00%) AWS CloudFormation
Communications & Networking
1 5 (50.00%) Kerberos
1 5 (50.00%) TCP/IP
2 3 (30.00%) DNS
3 2 (20.00%) DHCP
Database & Business Intelligence
1 2 (20.00%) RDBMS
1 2 (20.00%) Relational Database
1 2 (20.00%) SQL Server
2 1 (10.00%) Oracle Database
2 1 (10.00%) Oracle Database 10g
2 1 (10.00%) PostgreSQL
2 1 (10.00%) SQL Server Integration Services
2 1 (10.00%) SQL Server Reporting Services
Development Applications
1 4 (40.00%) Subversion
2 3 (30.00%) Jenkins
3 2 (20.00%) Git (software)
4 1 (10.00%) JIRA
4 1 (10.00%) Serena SBM
4 1 (10.00%) TeamCity
General
1 6 (60.00%) Banking
2 5 (50.00%) Finance
3 4 (40.00%) Investment Banking
3 4 (40.00%) Retail
4 1 (10.00%) International Banking
4 1 (10.00%) Public Sector
Job Titles
1 3 (30.00%) Virtualisation Engineer
2 2 (20.00%) Administrator
2 2 (20.00%) DBA
2 2 (20.00%) Linux Engineer
2 2 (20.00%) Python Engineer
2 2 (20.00%) Ruby Engineer
3 1 (10.00%) AWS Developer
3 1 (10.00%) Developer
3 1 (10.00%) DevOps Engineer
3 1 (10.00%) Java Developer
3 1 (10.00%) SC Cleared DBA
3 1 (10.00%) SQL DBA
3 1 (10.00%) Systems Administrator
3 1 (10.00%) Windows Administrator
3 1 (10.00%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 5 (50.00%) LDAP
2 1 (10.00%) FIX Protocol
2 1 (10.00%) HTML
2 1 (10.00%) HTML5
2 1 (10.00%) Kafka
2 1 (10.00%) Lambda Expressions
2 1 (10.00%) Redux
2 1 (10.00%) REST
2 1 (10.00%) Spring
2 1 (10.00%) Spring Boot
Miscellaneous
1 2 (20.00%) Replication
2 1 (10.00%) Enterprise Software
Operating Systems
1 6 (60.00%) Windows
1 6 (60.00%) Windows Server
2 5 (50.00%) Windows Server 2008
2 5 (50.00%) Windows Server 2012
2 5 (50.00%) Windows Server 2016
3 4 (40.00%) Windows Server 2019
4 3 (30.00%) Linux
5 2 (20.00%) Unix
6 1 (10.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 10 (100.00%) High Availability
2 5 (50.00%) Security Hardening
3 4 (40.00%) Infrastructure Engineering
4 3 (30.00%) Continuous Integration
4 3 (30.00%) DevOps
4 3 (30.00%) Performance Tuning
5 2 (20.00%) Configuration Management
5 2 (20.00%) Open Source
5 2 (20.00%) TDD
6 1 (10.00%) Agile Software Development
6 1 (10.00%) Capacity Planning
6 1 (10.00%) Data Security
6 1 (10.00%) Database Mirroring
6 1 (10.00%) Disaster Recovery
6 1 (10.00%) Microservices
6 1 (10.00%) Migration
6 1 (10.00%) Multithreaded Programming
6 1 (10.00%) Performance Monitoring
6 1 (10.00%) Software Engineering
6 1 (10.00%) Storage Management
Programming Languages
1 3 (30.00%) Python
2 2 (20.00%) C
2 2 (20.00%) Perl
2 2 (20.00%) Ruby
2 2 (20.00%) SQL
3 1 (10.00%) Java
3 1 (10.00%) JavaScript
3 1 (10.00%) PowerShell
3 1 (10.00%) T-SQL
Qualifications
1 1 (10.00%) SC Cleared
1 1 (10.00%) Security Cleared
Quality Assurance & Compliance
1 1 (10.00%) GDPR
1 1 (10.00%) Sarbanes-Oxley
System Software
1 5 (50.00%) Active Directory
1 5 (50.00%) VMware ESXi
1 5 (50.00%) VMware Infrastructure
2 3 (30.00%) Docker
3 2 (20.00%) Veritas Cluster Server
4 1 (10.00%) Oracle RAC
Systems Management
1 5 (50.00%) Ansible
1 5 (50.00%) Kubernetes
1 5 (50.00%) Opscode Chef
1 5 (50.00%) Puppet
2 4 (40.00%) Microsoft Clustering
3 3 (30.00%) Terraform
4 2 (20.00%) Pacemaker
4 2 (20.00%) Salt
5 1 (10.00%) Control-M
5 1 (10.00%) Data Guard
5 1 (10.00%) Icinga
5 1 (10.00%) Netcool
5 1 (10.00%) QRadar
5 1 (10.00%) Tivoli
5 1 (10.00%) Tivoli Storage Manager
Vendors
1 6 (60.00%) Oracle
2 5 (50.00%) SaltStack
2 5 (50.00%) VMware
3 4 (40.00%) Microsoft
4 2 (20.00%) Splunk
4 2 (20.00%) Veritas
5 1 (10.00%) Altiris
5 1 (10.00%) BMC
5 1 (10.00%) CyberArk
5 1 (10.00%) EMC
5 1 (10.00%) IBM
5 1 (10.00%) Infoblox
5 1 (10.00%) Ivanti
5 1 (10.00%) Qualys
5 1 (10.00%) Red Hat
5 1 (10.00%) Serena
5 1 (10.00%) ServiceNow
5 1 (10.00%) Symantec