Period
to 31 May 2020

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 31 May 2020 with a comparison to the same period over the previous 2 years.

Clustering
England > London
6 months to
31 May 2020
Same period 2019 Same period 2018
Rank 525 449 498
Rank change year-on-year -76 +49 -120
Permanent jobs citing Clustering 94 345 362
As % of all permanent jobs advertised in London 0.25% 0.59% 0.52%
As % of the Miscellaneous category 0.60% 1.44% 1.22%
Number of salaries quoted 86 308 316
Median annual salary £60,000 £62,500 £60,000
Median salary % change year-on-year -4.00% +4.17% +4.35%
10th Percentile £44,375 £43,750 £42,500
90th Percentile £77,500 £90,000 £86,250
England median annual salary £52,500 £55,000 £50,000
% change year-on-year -4.55% +10.00% -

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 London with a requirement for generic IT skills.

All Generic IT Skills
London
Permanent vacancies with a requirement for generic IT skills 15,618 24,003 29,759
As % of all permanent IT jobs advertised in London 41.77% 41.17% 42.85%
Number of salaries quoted 12,144 18,721 22,985
Median annual salary £70,000 £65,000 £60,000
Median salary % change year-on-year +7.69% +8.33% -
10th Percentile £38,750 £35,000 £35,000
90th Percentile £115,000 £100,000 £95,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

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
Salary Trend in London

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

Salary trend for Clustering in London

Clustering
Salary Histogram in London

Salary distribution for jobs citing Clustering in London over the 6 months to 31 May 2020.

Salary histogram for Clustering in London

Clustering
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the London region over the 6 months to 31 May 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -3 27 £60,000 +4.35%
East London +8 5 £85,000 -
West London +34 4 £60,000 +36.36% 1
South London -2 1 £57,500 +4.55%
North London - 1 £65,000 -
Clustering
England

For the 6 months to 31 May 2020, 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 London region with a requirement for Clustering.

1 47 (50.00%) Azure
2 46 (48.94%) VMware
3 45 (47.87%) Active Directory
4 43 (45.74%) SQL
5 41 (43.62%) Windows
6 32 (34.04%) Microsoft
6 32 (34.04%) AWS
7 31 (32.98%) VMware Infrastructure
8 29 (30.85%) ITIL
9 27 (28.72%) DNS
10 26 (27.66%) Windows Server
11 25 (26.60%) SQL Server
11 25 (26.60%) SAN
12 24 (25.53%) DHCP
12 24 (25.53%) Python
13 23 (24.47%) Linux
13 23 (24.47%) Continuous Integration
13 23 (24.47%) Office 365
14 22 (23.40%) High Availability
14 22 (23.40%) PowerShell
15 21 (22.34%) Git (software)
16 20 (21.28%) TCP/IP
17 19 (20.21%) Oracle
18 18 (19.15%) MS Exchange
18 18 (19.15%) Hyper-V
18 18 (19.15%) Load Balancing
19 17 (18.09%) Cisco
19 17 (18.09%) Firewall
19 17 (18.09%) Analytics
20 16 (17.02%) Oracle Database

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 (19.15%) MS Exchange
2 12 (12.77%) Exchange Server 2010
3 11 (11.70%) IIS
4 9 (9.57%) Exchange Server 2013
5 7 (7.45%) Apache Airflow
6 6 (6.38%) SharePoint
6 6 (6.38%) Skype for Business
7 4 (4.26%) WebLogic
8 3 (3.19%) Anypoint
9 2 (2.13%) JBoss
9 2 (2.13%) Mule
9 2 (2.13%) Mule ESB
9 2 (2.13%) Oracle SOA Suite
9 2 (2.13%) Tomcat
9 2 (2.13%) WebSphere
10 1 (1.06%) Apache
10 1 (1.06%) Exchange Server 2007
10 1 (1.06%) nginx
10 1 (1.06%) Oracle Service Bus
10 1 (1.06%) SharePoint 2013
Applications
1 6 (6.38%) Microsoft Office
2 2 (2.13%) MS Visio
3 1 (1.06%) Microsoft Excel
3 1 (1.06%) Microsoft PowerPoint
Business Applications
1 3 (3.19%) Oracle Applications
2 2 (2.13%) Oracle EBS
2 2 (2.13%) Relativity
3 1 (1.06%) FLEXCUBE
Cloud Services
1 47 (50.00%) Azure
2 32 (34.04%) AWS
3 23 (24.47%) Office 365
4 14 (14.89%) Azure Active Directory
5 12 (12.77%) GCP
6 8 (8.51%) IaaS
7 7 (7.45%) Stackdriver
7 7 (7.45%) Virtual Private Cloud
8 6 (6.38%) Mimecast
9 5 (5.32%) Power Platform
10 4 (4.26%) PaaS
11 3 (3.19%) OneDrive
12 2 (2.13%) GitHub
12 2 (2.13%) SaaS
12 2 (2.13%) Serverless
12 2 (2.13%) Trello
13 1 (1.06%) Amazon EKS
13 1 (1.06%) AWS Lambda
13 1 (1.06%) Azure Machine Learning
13 1 (1.06%) Logic Apps
Communications & Networking
1 27 (28.72%) DNS
2 25 (26.60%) SAN
3 24 (25.53%) DHCP
4 20 (21.28%) TCP/IP
5 17 (18.09%) Firewall
6 14 (14.89%) VPN
7 13 (13.83%) NAS
8 12 (12.77%) LAN
9 11 (11.70%) HTTP
9 11 (11.70%) Internet
9 11 (11.70%) NetScaler
9 11 (11.70%) WAN
10 10 (10.64%) Remote Desktop
11 8 (8.51%) SNMP
12 7 (7.45%) Fibre Channel
12 7 (7.45%) Network Security
13 6 (6.38%) DKIM
13 6 (6.38%) IPsec
13 6 (6.38%) Skype
13 6 (6.38%) VLAN
Database & Business Intelligence
1 25 (26.60%) SQL Server
2 16 (17.02%) Oracle Database
3 12 (12.77%) Data Warehouse
4 10 (10.64%) Looker
4 10 (10.64%) Snowflake Schema
5 9 (9.57%) Amazon RDS
5 9 (9.57%) MySQL
6 7 (7.45%) Oracle Exadata
7 6 (6.38%) PostgreSQL
8 5 (5.32%) Power BI
9 4 (4.26%) NoSQL
10 3 (3.19%) Azure SQL Database
10 3 (3.19%) OLTP
10 3 (3.19%) Oracle Reports
11 2 (2.13%) DTS
11 2 (2.13%) MongoDB
11 2 (2.13%) Oracle BI EE
11 2 (2.13%) RDBMS
11 2 (2.13%) SQL Server 2000
11 2 (2.13%) SQL Server 2008
Development Applications
1 21 (22.34%) Git (software)
2 10 (10.64%) JIRA
3 7 (7.45%) Bitbucket
4 4 (4.26%) Jenkins
5 3 (3.19%) Maven
5 3 (3.19%) Subversion
6 2 (2.13%) SQL Server Management Studio (SSMS)
7 1 (1.06%) Hudson
7 1 (1.06%) Octopus Deploy
7 1 (1.06%) Oracle APEX
7 1 (1.06%) Oracle Forms
7 1 (1.06%) Postman
7 1 (1.06%) Visual Studio
General
1 9 (9.57%) Marketing
2 7 (7.45%) Finance
3 5 (5.32%) Back Office
4 4 (4.26%) Legal
5 3 (3.19%) Law
6 2 (2.13%) Advertising
6 2 (2.13%) Automotive
6 2 (2.13%) Financial Institution
6 2 (2.13%) Publishing
6 2 (2.13%) Retail
7 1 (1.06%) Banking
7 1 (1.06%) Games
Job Titles
1 20 (21.28%) DBA
2 16 (17.02%) Administrator
3 15 (15.96%) SQL DBA
4 13 (13.83%) Consultant
5 12 (12.77%) Infrastructure Engineer
5 12 (12.77%) SQL Server DBA
6 10 (10.64%) Developer
6 10 (10.64%) Technical Consultant
7 9 (9.57%) Data Warehouse Developer
7 9 (9.57%) Oracle DBA
8 8 (8.51%) SQL Developer
8 8 (8.51%) Systems Administrator
9 7 (7.45%) Virtualisation Consultant
9 7 (7.45%) Virtualisation Technical Consultant
10 6 (6.38%) Active Directory Consultant
10 6 (6.38%) Exchange Consultant
10 6 (6.38%) Windows Consultant
10 6 (6.38%) Windows Technical Consultant
11 5 (5.32%) Architect
11 5 (5.32%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 5 (5.32%) Flash
1 5 (5.32%) Web Services
2 4 (4.26%) LAMP
2 4 (4.26%) Middleware
3 3 (3.19%) 802.1X
3 3 (3.19%) RabbitMQ
4 2 (2.13%) SAML
4 2 (2.13%) SOAP
4 2 (2.13%) Spring
4 2 (2.13%) Spring Boot
4 2 (2.13%) WebSphere MQ
4 2 (2.13%) WSDL
4 2 (2.13%) YAML
5 1 (1.06%) .NET
5 1 (1.06%) CSS
5 1 (1.06%) HTML
5 1 (1.06%) LDAP
5 1 (1.06%) Oracle Fusion
5 1 (1.06%) POSIX
5 1 (1.06%) WSH
Miscellaneous
1 15 (15.96%) Data Centre
2 13 (13.83%) Replication
3 6 (6.38%) Analytical Skills
4 4 (4.26%) Enterprise Storage
5 3 (3.19%) Blackberry
5 3 (3.19%) Management Information System
6 2 (2.13%) Enterprise Software
6 2 (2.13%) FMCG
6 2 (2.13%) PKI
6 2 (2.13%) Public Cloud
7 1 (1.06%) Cloud Native
7 1 (1.06%) Digital Media
7 1 (1.06%) Linux Command Line
7 1 (1.06%) Reinsurance
7 1 (1.06%) Social Media
7 1 (1.06%) Video Conferencing
Operating Systems
1 41 (43.62%) Windows
2 26 (27.66%) Windows Server
3 23 (24.47%) Linux
4 16 (17.02%) Windows Server 2008
5 15 (15.96%) Windows Server 2016
6 14 (14.89%) Windows Server 2012
7 12 (12.77%) Windows 7
8 11 (11.70%) Windows 10
9 10 (10.64%) Red Hat Enterprise Linux
9 10 (10.64%) Windows 8
10 6 (6.38%) CentOS
10 6 (6.38%) Oracle Linux
11 4 (4.26%) Unix
12 3 (3.19%) Ubuntu
13 2 (2.13%) SUSE
13 2 (2.13%) SUSE Linux Enterprise Server
13 2 (2.13%) VMS
13 2 (2.13%) Windows Server 2003
14 1 (1.06%) Android
14 1 (1.06%) Mac OS X
Processes & Methodologies
1 29 (30.85%) ITIL
2 23 (24.47%) Continuous Integration
3 22 (23.40%) High Availability
4 18 (19.15%) Load Balancing
5 17 (18.09%) Analytics
6 16 (17.02%) Disaster Recovery
6 16 (17.02%) Performance Tuning
7 15 (15.96%) Infrastructure Engineering
8 14 (14.89%) Agile Software Development
8 14 (14.89%) Change Management
8 14 (14.89%) DevOps
8 14 (14.89%) Migration
9 12 (12.77%) Business Intelligence
9 12 (12.77%) Data Science
9 12 (12.77%) Patch Management
10 10 (10.64%) Data Architecture
11 9 (9.57%) ETL
11 9 (9.57%) Software Engineering
11 9 (9.57%) Task Automation
12 8 (8.51%) Data Engineering
Programming Languages
1 43 (45.74%) SQL
2 24 (25.53%) Python
3 22 (23.40%) PowerShell
4 9 (9.57%) C#
4 9 (9.57%) T-SQL
5 8 (8.51%) Bash Shell
6 4 (4.26%) Java
7 2 (2.13%) C
7 2 (2.13%) JavaScript
7 2 (2.13%) VBA
8 1 (1.06%) PHP
8 1 (1.06%) PL/SQL
8 1 (1.06%) R
8 1 (1.06%) Shell Script
8 1 (1.06%) VBScript
Qualifications
1 16 (17.02%) Microsoft Certification
2 15 (15.96%) MCSE
3 11 (11.70%) ITIL Certification
4 10 (10.64%) Cisco Certification
5 8 (8.51%) MCP
6 6 (6.38%) Degree
6 6 (6.38%) VMware Certified Professional (VCP)
7 3 (3.19%) Computer Science Degree
7 3 (3.19%) MCSA
8 2 (2.13%) CCDA
8 2 (2.13%) CCNA
8 2 (2.13%) CCNP
8 2 (2.13%) CCVP
8 2 (2.13%) CISSP
8 2 (2.13%) MCITP
9 1 (1.06%) Master's Degree
9 1 (1.06%) RHCSA
9 1 (1.06%) SC Cleared
9 1 (1.06%) Security Cleared
9 1 (1.06%) VCP5
Quality Assurance & Compliance
1 3 (3.19%) SLA
2 2 (2.13%) Data Quality
2 2 (2.13%) GDPR
System Software
1 45 (47.87%) Active Directory
2 31 (32.98%) VMware Infrastructure
3 18 (19.15%) Hyper-V
4 13 (13.83%) VMware ESXi
5 12 (12.77%) vSphere
6 9 (9.57%) Virtual Servers
7 5 (5.32%) XenApp
8 4 (4.26%) XenDesktop
9 3 (3.19%) Virtual Machines
10 2 (2.13%) Active Directory Lightweight Directory Services
10 2 (2.13%) Docker
10 2 (2.13%) OpenSSH
10 2 (2.13%) Oracle RAC
10 2 (2.13%) ProxySG
10 2 (2.13%) Samba
10 2 (2.13%) vCloud
10 2 (2.13%) Virtual Desktop
10 2 (2.13%) VMware NSX
10 2 (2.13%) Xen
11 1 (1.06%) Veritas Cluster Server
Systems Management
1 9 (9.57%) Ansible
1 9 (9.57%) SCCM
1 9 (9.57%) SCOM
1 9 (9.57%) Single Sign-On
2 7 (7.45%) Microsoft Intune
2 7 (7.45%) Opscode Chef
3 6 (6.38%) Backup Exec
4 5 (5.32%) Failover Clustering
4 5 (5.32%) Microsoft Clustering
5 4 (4.26%) vCenter Server
6 3 (3.19%) Nagios
6 3 (3.19%) Puppet
6 3 (3.19%) Terraform
6 3 (3.19%) WSUS
6 3 (3.19%) ZABBIX
7 2 (2.13%) FTK
7 2 (2.13%) Packer
7 2 (2.13%) Perfmon
7 2 (2.13%) Symantec Endpoint Protection
7 2 (2.13%) XenMobile
Vendors
1 46 (48.94%) VMware
2 32 (34.04%) Microsoft
3 19 (20.21%) Oracle
4 17 (18.09%) Cisco
5 14 (14.89%) Citrix
5 14 (14.89%) Red Hat
6 12 (12.77%) Google
7 10 (10.64%) Dell
8 8 (8.51%) HP
9 7 (7.45%) Splunk
10 6 (6.38%) EMC
11 5 (5.32%) MuleSoft
12 3 (3.19%) Symantec
12 3 (3.19%) Veeam
13 2 (2.13%) Apple
13 2 (2.13%) Blue Coat
13 2 (2.13%) NetApp
13 2 (2.13%) ServiceNow
13 2 (2.13%) Tableau
13 2 (2.13%) Zerto