Period
to 4 March 2021

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 4 March 2021 with a comparison to the same period over the previous 2 years.

Clustering
Central London > City of London
6 months to
4 Mar 2021
Same period 2020 Same period 2019
Rank 209 278 271
Rank change year-on-year +69 -7 +21
Permanent jobs citing Clustering 17 23 73
As % of all permanent jobs advertised in the City of London 0.36% 0.26% 0.70%
As % of the Miscellaneous category 0.92% 0.62% 1.70%
Number of salaries quoted 15 22 68
Median annual salary £65,000 £60,000 £53,750
Median salary % change year-on-year +8.33% +11.63% -2.27%
10th Percentile £45,000 £44,750 £42,500
90th Percentile £113,000 £64,875 £85,000
Central London median annual salary £61,250 £60,000 £52,500
% change year-on-year +2.08% +14.29% -2.29%

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 1,839 3,688 4,287
As % of all permanent IT jobs advertised in the City of London 39.03% 40.90% 41.12%
Number of salaries quoted 1,600 3,210 3,835
Median annual salary £75,000 £70,000 £65,000
Median salary % change year-on-year +7.14% +7.69% +4.00%
10th Percentile £45,000 £38,750 £39,422
90th Percentile £111,250 £107,500 £96,700
Central London median annual salary £75,000 £70,000 £65,000
% change year-on-year +7.14% +7.69% +8.33%

Clustering
Job Vacancy Trend in the City of London

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

Job vacancy trend for Clustering in the City of London

Clustering
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Clustering in the City of London.

Salary trend for Clustering in the City of London

Clustering
Salary Histogram in the City of London

Salary distribution for jobs citing Clustering in the City of London over the 6 months to 4 March 2021.

Salary histogram for Clustering in the City of London

For the 6 months to 4 March 2021, IT 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 permanent job ads across the City of London region with a requirement for Clustering.

1 11 (64.71%) Azure
2 9 (52.94%) AWS
2 9 (52.94%) Windows
3 8 (47.06%) Linux
4 7 (41.18%) High Availability
5 6 (35.29%) VMware Infrastructure
5 6 (35.29%) PowerShell
5 6 (35.29%) Java
5 6 (35.29%) SQL
5 6 (35.29%) SQL Server
5 6 (35.29%) VMware
5 6 (35.29%) Windows Server
6 5 (29.41%) Microsoft Data Protection Manager
6 5 (29.41%) Windows 10
6 5 (29.41%) SCDPM
6 5 (29.41%) Microservices
6 5 (29.41%) GCP
6 5 (29.41%) Replication
6 5 (29.41%) Cisco Certification
6 5 (29.41%) ITIL Certification
6 5 (29.41%) CCNA
6 5 (29.41%) Firewall
6 5 (29.41%) Web Services
6 5 (29.41%) ITIL
6 5 (29.41%) Oracle
6 5 (29.41%) VPN
6 5 (29.41%) Microsoft
6 5 (29.41%) JIRA
6 5 (29.41%) Google
6 5 (29.41%) Microsoft 365

Clustering
Co-occurring IT Skills in the City of 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 4 (23.53%) SharePoint
2 2 (11.76%) Apache
2 2 (11.76%) Red Hat Fuse
3 1 (5.88%) Adobe Experience Manager
3 1 (5.88%) CMS
Applications
1 4 (23.53%) Microsoft Office
Cloud Services
1 11 (64.71%) Azure
2 9 (52.94%) AWS
3 5 (29.41%) GCP
3 5 (29.41%) Microsoft 365
4 3 (17.65%) PaaS
4 3 (17.65%) SaaS
5 2 (11.76%) IaaS
5 2 (11.76%) Power Platform
Communications & Networking
1 5 (29.41%) Firewall
1 5 (29.41%) iSCSI
1 5 (29.41%) VPN
2 4 (23.53%) DHCP
2 4 (23.53%) DNS
2 4 (23.53%) NAS
2 4 (23.53%) Network Security
Database & Business Intelligence
1 6 (35.29%) SQL Server
2 3 (17.65%) MySQL
2 3 (17.65%) Oracle Database
2 3 (17.65%) Oracle Database 12c
2 3 (17.65%) Oracle Exadata
2 3 (17.65%) PostgreSQL
2 3 (17.65%) Relational Database
2 3 (17.65%) SQL Server 2014
2 3 (17.65%) SQL Server 2016
2 3 (17.65%) SQL Server Analysis Services
2 3 (17.65%) SQL Server Integration Services
3 2 (11.76%) Data Warehouse
3 2 (11.76%) Microsoft Analysis Services
3 2 (11.76%) Power BI
3 2 (11.76%) SQL Server Reporting Services
4 1 (5.88%) Azure SQL Database
4 1 (5.88%) RDBMS
4 1 (5.88%) SQL Server 2008
Development Applications
1 5 (29.41%) JIRA
2 3 (17.65%) Jenkins
3 1 (5.88%) JUnit
General
1 3 (17.65%) Banking
2 2 (11.76%) Finance
3 1 (5.88%) Marketing
Job Titles
1 5 (29.41%) DBA
1 5 (29.41%) VMware Engineer
2 4 (23.53%) Cisco Engineer
2 4 (23.53%) Linux Engineer
2 4 (23.53%) SQL Server DBA
2 4 (23.53%) Windows Engineer
3 3 (17.65%) Cisco Support
3 3 (17.65%) Cisco Support Engineer
3 3 (17.65%) Linux Support
3 3 (17.65%) Linux Support Engineer
3 3 (17.65%) Senior Cisco Engineer
3 3 (17.65%) Senior Cisco Support
3 3 (17.65%) Senior Linux Engineer
3 3 (17.65%) Senior Linux Support
3 3 (17.65%) Senior Support Engineer
3 3 (17.65%) Server Engineer
3 3 (17.65%) SQL DBA
3 3 (17.65%) Support Engineer
3 3 (17.65%) VMware Support Engineer
3 3 (17.65%) Windows Support Engineer
Libraries, Frameworks & Software Standards
1 5 (29.41%) Web Services
2 4 (23.53%) REST
3 3 (17.65%) Ajax
3 3 (17.65%) AngularJS
3 3 (17.65%) Hibernate
3 3 (17.65%) HTML
3 3 (17.65%) OSGi
3 3 (17.65%) Spring
4 2 (11.76%) Apache Camel
4 2 (11.76%) GWT
4 2 (11.76%) HTML5
4 2 (11.76%) JDBC
4 2 (11.76%) JMS
4 2 (11.76%) jQuery
4 2 (11.76%) JSF
4 2 (11.76%) Middleware
5 1 (5.88%) CSS
5 1 (5.88%) J2EE
5 1 (5.88%) Servlets
5 1 (5.88%) Struts
Miscellaneous
1 5 (29.41%) Replication
2 3 (17.65%) Enterprise Software
3 2 (11.76%) Client/Server
3 2 (11.76%) Fixed Income
4 1 (5.88%) Management Information System
Operating Systems
1 9 (52.94%) Windows
2 8 (47.06%) Linux
3 6 (35.29%) Windows Server
4 5 (29.41%) Mac OS
4 5 (29.41%) Windows 10
5 4 (23.53%) Ubuntu
5 4 (23.53%) Windows Server 2008
6 1 (5.88%) Unix
Processes & Methodologies
1 7 (41.18%) High Availability
2 5 (29.41%) ITIL
2 5 (29.41%) Microservices
3 4 (23.53%) Continuous Integration
4 3 (17.65%) OO
4 3 (17.65%) Performance Tuning
4 3 (17.65%) Scalability Testing
5 2 (11.76%) Agile Software Development
5 2 (11.76%) Database Mirroring
5 2 (11.76%) ETL
5 2 (11.76%) Extreme Programming
5 2 (11.76%) Infrastructure Engineering
5 2 (11.76%) Open Source
5 2 (11.76%) Proactive Monitoring
5 2 (11.76%) RUP
5 2 (11.76%) Scrum
5 2 (11.76%) Web Development
6 1 (5.88%) Capacity Planning
6 1 (5.88%) Data Migration
6 1 (5.88%) TDD
Programming Languages
1 6 (35.29%) Java
1 6 (35.29%) PowerShell
1 6 (35.29%) SQL
2 4 (23.53%) T-SQL
3 3 (17.65%) JavaScript
4 2 (11.76%) Kotlin
4 2 (11.76%) Perl
4 2 (11.76%) PL/SQL
4 2 (11.76%) Scala
4 2 (11.76%) Shell Script
5 1 (5.88%) Java 8
Qualifications
1 5 (29.41%) CCNA
1 5 (29.41%) Cisco Certification
1 5 (29.41%) ITIL Certification
2 3 (17.65%) CCNP
Quality Assurance & Compliance
1 4 (23.53%) Cyber Essentials
1 4 (23.53%) Cyber Essentials PLUS
1 4 (23.53%) ISO/IEC 27001
System Software
1 6 (35.29%) VMware Infrastructure
2 5 (29.41%) Hyper-V
3 4 (23.53%) Active Directory
4 3 (17.65%) Oracle RAC
Systems Management
1 5 (29.41%) Microsoft Data Protection Manager
1 5 (29.41%) Microsoft Intune
1 5 (29.41%) SCDPM
2 4 (23.53%) Failover Clustering
3 3 (17.65%) Microsoft Clustering
3 3 (17.65%) Oracle RMAN
4 2 (11.76%) Kubernetes
Vendors
1 6 (35.29%) VMware
2 5 (29.41%) Google
2 5 (29.41%) Microsoft
2 5 (29.41%) Oracle
3 4 (23.53%) Aruba
3 4 (23.53%) Barracuda Networks
3 4 (23.53%) Cisco
3 4 (23.53%) HP
3 4 (23.53%) Synology
4 1 (5.88%) Adobe
4 1 (5.88%) RedGate