Period
to 29 September 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 29 September 2020 with a comparison to the same period over the previous 2 years.

Clustering
England > London
6 months to
29 Sep 2020
Same period 2019 Same period 2018
Rank 382 491 464
Rank change year-on-year +109 -27 -73
Permanent jobs citing Clustering 83 250 398
As % of all permanent jobs advertised in London 0.42% 0.46% 0.59%
As % of the Miscellaneous category 0.97% 1.10% 1.36%
Number of salaries quoted 88 212 367
Median annual salary £60,000 £67,000 £60,000
Median salary % change year-on-year -10.45% +11.67% +1.69%
10th Percentile £41,250 £43,750 £42,000
90th Percentile £86,250 £87,500 £86,250
England median annual salary £52,500 £55,000 £54,000
% change year-on-year -4.55% +1.85% +8.00%

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 8,563 22,809 29,203
As % of all permanent IT jobs advertised in London 43.12% 41.54% 42.93%
Number of salaries quoted 6,952 17,739 22,418
Median annual salary £72,500 £65,000 £62,500
Median salary % change year-on-year +11.54% +4.00% +4.17%
10th Percentile £42,500 £35,000 £35,000
90th Percentile £120,000 £102,500 £97,500
England median annual salary £57,500 £53,750 £52,500
% change year-on-year +6.98% +2.38% +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 29 September 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 29 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +120 25 £60,000 - 5
East London +19 5 £40,000 -52.94% 1
West London +67 2 £70,000 +75.00% 3
South London +55 1 £64,425 +17.14%
North London - 1 £65,000 -
Clustering
England

For the 6 months to 29 September 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 49 (59.04%) SQL
2 45 (54.22%) Azure
3 37 (44.58%) Performance Tuning
4 30 (36.14%) AWS
5 29 (34.94%) Windows
5 29 (34.94%) Microsoft
6 28 (33.73%) SQL Server
7 27 (32.53%) VMware
7 27 (32.53%) Agile Software Development
8 26 (31.33%) Data Warehouse
8 26 (31.33%) Business Intelligence
8 26 (31.33%) Data Science
9 25 (30.12%) Active Directory
10 24 (28.92%) Analytics
11 23 (27.71%) Windows Server
11 23 (27.71%) Snowflake Schema
11 23 (27.71%) Continuous Integration
11 23 (27.71%) Data Architecture
12 21 (25.30%) JIRA
12 21 (25.30%) DNS
12 21 (25.30%) DHCP
12 21 (25.30%) Python
12 21 (25.30%) Looker
13 20 (24.10%) Office 365
13 20 (24.10%) Cisco
13 20 (24.10%) Windows Server 2008
14 19 (22.89%) Oracle
14 19 (22.89%) Finance
14 19 (22.89%) Data Engineering
15 18 (21.69%) Windows Server 2012

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 13 (15.66%) MS Exchange
2 10 (12.05%) Exchange Server 2010
3 7 (8.43%) Skype for Business
4 6 (7.23%) IIS
4 6 (7.23%) Red Hat Fuse
5 4 (4.82%) Apache
5 4 (4.82%) Exchange Server 2013
5 4 (4.82%) Oracle SOA Suite
5 4 (4.82%) SharePoint
5 4 (4.82%) WebLogic
6 3 (3.61%) Adobe Experience Manager
6 3 (3.61%) CMS
7 2 (2.41%) Ethereum
8 1 (1.20%) Hyperledger
8 1 (1.20%) Oracle Service Bus
Applications
1 7 (8.43%) Microsoft Office
2 1 (1.20%) MS Visio
Business Applications
1 4 (4.82%) Oracle Applications
2 2 (2.41%) Oracle EBS
2 2 (2.41%) Quorum
3 1 (1.20%) FLEXCUBE
Cloud Services
1 45 (54.22%) Azure
2 30 (36.14%) AWS
3 20 (24.10%) Office 365
4 10 (12.05%) IaaS
5 7 (8.43%) Trello
6 6 (7.23%) Power Platform
7 4 (4.82%) Azure Active Directory
7 4 (4.82%) GCP
7 4 (4.82%) Mimecast
8 3 (3.61%) PaaS
8 3 (3.61%) SaaS
9 1 (1.20%) Amazon EC2
9 1 (1.20%) Amazon EKS
9 1 (1.20%) AWS Lambda
9 1 (1.20%) G Suite
9 1 (1.20%) Logic Apps
9 1 (1.20%) Serverless
Communications & Networking
1 21 (25.30%) DHCP
1 21 (25.30%) DNS
2 15 (18.07%) SAN
3 14 (16.87%) LAN
3 14 (16.87%) TCP/IP
4 12 (14.46%) Firewall
4 12 (14.46%) VLAN
5 11 (13.25%) VPN
5 11 (13.25%) WAN
6 10 (12.05%) Internet
6 10 (12.05%) NetScaler
7 9 (10.84%) Fibre Channel
7 9 (10.84%) iSCSI
8 7 (8.43%) Skype
8 7 (8.43%) Wi-Fi
9 6 (7.23%) Wireless
10 5 (6.02%) VoIP
11 4 (4.82%) DKIM
11 4 (4.82%) IPsec
11 4 (4.82%) Remote Desktop
Database & Business Intelligence
1 28 (33.73%) SQL Server
2 26 (31.33%) Data Warehouse
3 23 (27.71%) Snowflake Schema
4 21 (25.30%) Looker
5 10 (12.05%) Oracle Database
5 10 (12.05%) PostgreSQL
6 9 (10.84%) Amazon RDS
7 8 (9.64%) Relational Database
8 6 (7.23%) Power BI
8 6 (7.23%) RDBMS
9 5 (6.02%) Oracle Database 12c
9 5 (6.02%) SQL Server 2014
10 4 (4.82%) MySQL
10 4 (4.82%) Oracle BI EE
10 4 (4.82%) Oracle Exadata
10 4 (4.82%) SQL Server 2008
10 4 (4.82%) SQL Server 2012
10 4 (4.82%) SQL Server 2016
11 3 (3.61%) MongoDB
11 3 (3.61%) SQL Server Reporting Services
Development Applications
1 21 (25.30%) JIRA
2 14 (16.87%) Git (software)
3 4 (4.82%) Jenkins
4 3 (3.61%) JUnit
5 2 (2.41%) SQL Server Management Studio (SSMS)
6 1 (1.20%) Oracle APEX
6 1 (1.20%) Oracle Forms
General
1 19 (22.89%) Finance
2 17 (20.48%) Marketing
3 6 (7.23%) Banking
4 3 (3.61%) Automotive
4 3 (3.61%) Publishing
4 3 (3.61%) Retail
5 2 (2.41%) Front Office
5 2 (2.41%) Investment Banking
6 1 (1.20%) Back Office
6 1 (1.20%) Financial Institution
6 1 (1.20%) Law
6 1 (1.20%) Local Government
Job Titles
1 19 (22.89%) DBA
1 19 (22.89%) Developer
2 18 (21.69%) Data Warehouse Developer
3 14 (16.87%) SQL Developer
4 10 (12.05%) Consultant
5 9 (10.84%) Oracle DBA
5 9 (10.84%) SQL DBA
6 7 (8.43%) Analyst
7 5 (6.02%) Administrator
7 5 (6.02%) Architect
7 5 (6.02%) Data Consultant
7 5 (6.02%) Data Warehouse Consultant
7 5 (6.02%) Infrastructure Analyst
7 5 (6.02%) Infrastructure Engineer
8 4 (4.82%) Active Directory Consultant
8 4 (4.82%) Applications Engineer
8 4 (4.82%) Development DBA
8 4 (4.82%) Exchange Consultant
8 4 (4.82%) Virtualisation Consultant
8 4 (4.82%) Virtualisation Technical Consultant
Libraries, Frameworks & Software Standards
1 6 (7.23%) Ajax
1 6 (7.23%) AngularJS
1 6 (7.23%) Hibernate
1 6 (7.23%) HTML
1 6 (7.23%) OSGi
1 6 (7.23%) Spring
2 4 (4.82%) Middleware
3 3 (3.61%) Apache Camel
3 3 (3.61%) CSS
3 3 (3.61%) Flash
3 3 (3.61%) GWT
3 3 (3.61%) J2EE
3 3 (3.61%) JDBC
3 3 (3.61%) JMS
3 3 (3.61%) jQuery
3 3 (3.61%) scikit-learn
3 3 (3.61%) Servlets
3 3 (3.61%) Struts
3 3 (3.61%) TensorFlow
3 3 (3.61%) WSH
Miscellaneous
1 14 (16.87%) Replication
2 8 (9.64%) Analytical Skills
3 5 (6.02%) Social Media
4 4 (4.82%) Data Centre
4 4 (4.82%) Virtual Team
5 3 (3.61%) Analytical Mindset
5 3 (3.61%) Enterprise Software
5 3 (3.61%) FMCG
5 3 (3.61%) Video Conferencing
6 2 (2.41%) Client/Server
6 2 (2.41%) Greenfield Project
6 2 (2.41%) Management Information System
7 1 (1.20%) Fixed Income
7 1 (1.20%) Linux Command Line
7 1 (1.20%) PKI
Operating Systems
1 29 (34.94%) Windows
2 23 (27.71%) Windows Server
3 20 (24.10%) Windows Server 2008
4 18 (21.69%) Windows Server 2012
5 17 (20.48%) Linux
6 13 (15.66%) Windows Server 2016
7 10 (12.05%) Windows 10
8 7 (8.43%) Windows 8
9 6 (7.23%) Oracle Linux
10 5 (6.02%) Red Hat Enterprise Linux
10 5 (6.02%) Windows 7
11 4 (4.82%) Windows Server 2019
12 2 (2.41%) Unix
13 1 (1.20%) CentOS
13 1 (1.20%) Mac OS
Processes & Methodologies
1 37 (44.58%) Performance Tuning
2 27 (32.53%) Agile Software Development
3 26 (31.33%) Business Intelligence
3 26 (31.33%) Data Science
4 24 (28.92%) Analytics
5 23 (27.71%) Continuous Integration
5 23 (27.71%) Data Architecture
6 19 (22.89%) Data Engineering
7 18 (21.69%) Software Engineering
8 17 (20.48%) Task Automation
9 16 (19.28%) Problem-Solving
10 15 (18.07%) High Availability
10 15 (18.07%) ITIL
10 15 (18.07%) Unit Testing
11 12 (14.46%) Disaster Recovery
12 11 (13.25%) ETL
12 11 (13.25%) Infrastructure Engineering
12 11 (13.25%) Migration
12 11 (13.25%) Patch Management
13 9 (10.84%) Actionable Insight
Programming Languages
1 49 (59.04%) SQL
2 21 (25.30%) Python
3 15 (18.07%) PowerShell
4 14 (16.87%) C#
5 9 (10.84%) C
6 7 (8.43%) Java
7 6 (7.23%) JavaScript
7 6 (7.23%) T-SQL
8 3 (3.61%) C++
8 3 (3.61%) VBScript
9 2 (2.41%) Java 8
10 1 (1.20%) Bash Shell
10 1 (1.20%) PHP
10 1 (1.20%) PL/SQL
Qualifications
1 11 (13.25%) MCSE
1 11 (13.25%) Microsoft Certification
2 7 (8.43%) Cisco Certification
2 7 (8.43%) VMware Certified Professional (VCP)
3 6 (7.23%) ITIL Certification
4 5 (6.02%) Degree
4 5 (6.02%) MCITP
5 4 (4.82%) MCP
6 3 (3.61%) CCNA
6 3 (3.61%) Computer Science Degree
7 2 (2.41%) CCDA
7 2 (2.41%) CCNP
7 2 (2.41%) CCVP
7 2 (2.41%) CISSP
7 2 (2.41%) MCSA
8 1 (1.20%) Linux+ Certification
8 1 (1.20%) Master's Degree
8 1 (1.20%) OCP
8 1 (1.20%) Oracle Certification
8 1 (1.20%) RHCSA
Quality Assurance & Compliance
1 5 (6.02%) SLA
2 4 (4.82%) GDPR
2 4 (4.82%) QA
3 1 (1.20%) Data Quality
3 1 (1.20%) MiFID
System Software
1 25 (30.12%) Active Directory
2 14 (16.87%) VMware Infrastructure
3 12 (14.46%) Hyper-V
3 12 (14.46%) vSphere
4 7 (8.43%) Virtual Machines
5 5 (6.02%) Oracle RAC
6 3 (3.61%) Docker
6 3 (3.61%) VMware ESXi
7 2 (2.41%) ProxySG
8 1 (1.20%) Active Directory Lightweight Directory Services
Systems Management
1 8 (9.64%) SCCM
2 6 (7.23%) Microsoft Clustering
2 6 (7.23%) SCOM
3 5 (6.02%) Single Sign-On
4 4 (4.82%) Ansible
4 4 (4.82%) Backup Exec
4 4 (4.82%) Data Guard
4 4 (4.82%) Failover Clustering
4 4 (4.82%) Microsoft Intune
4 4 (4.82%) Oracle RMAN
4 4 (4.82%) SCVMM
5 3 (3.61%) Opscode Chef
6 2 (2.41%) Perfmon
7 1 (1.20%) Kubernetes
7 1 (1.20%) Oracle EDQ
7 1 (1.20%) Oracle ZFS
7 1 (1.20%) Simpana
7 1 (1.20%) Symantec Endpoint Protection
7 1 (1.20%) Terraform
7 1 (1.20%) WSUS
Vendors
1 29 (34.94%) Microsoft
2 27 (32.53%) VMware
3 20 (24.10%) Cisco
4 19 (22.89%) Oracle
5 10 (12.05%) Citrix
6 8 (9.64%) Google
7 7 (8.43%) CommVault
7 7 (8.43%) Meraki
8 6 (7.23%) EMC
8 6 (7.23%) LogicMonitor
8 6 (7.23%) Nimble Storage
8 6 (7.23%) Red Hat
9 5 (6.02%) Dell
9 5 (6.02%) HP
10 4 (4.82%) Veeam
11 3 (3.61%) Adobe
11 3 (3.61%) Avaya
11 3 (3.61%) ServiceNow
12 2 (2.41%) PeopleSoft
12 2 (2.41%) Tableau