Period
to 22 January 2022

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 22 January 2022 with a comparison to the same period over the previous 2 years.

Clustering
England > London
6 months to
22 Jan 2022
Same period 2021 Same period 2020
Rank 538 395 530
Rank change year-on-year -143 +135 -87
Permanent jobs citing Clustering 199 116 186
As % of all permanent jobs advertised in London 0.39% 0.48% 0.36%
As % of the Miscellaneous category 0.89% 1.25% 0.94%
Number of salaries quoted 166 107 155
10th Percentile £45,750 £45,000 £39,512
25th Percentile £52,500 £49,000 £47,500
Median annual salary (50th Percentile) £62,500 £62,500 £60,000
Median % change year-on-year - +4.17% -
75th Percentile £87,500 £77,500 £70,000
90th Percentile £103,125 £90,000 £81,500
England median annual salary £53,350 £51,000 £52,500
% change year-on-year +4.61% -2.86% +3.96%

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 22,339 9,266 19,695
As % of all permanent IT jobs advertised in London 43.75% 38.54% 38.37%
Number of salaries quoted 13,496 7,814 15,546
10th Percentile £42,500 £43,630 £36,750
25th Percentile £55,000 £55,000 £50,000
Median annual salary (50th Percentile) £75,000 £70,000 £67,500
Median % change year-on-year +7.14% +3.70% +3.85%
75th Percentile £95,000 £90,000 £87,500
90th Percentile £117,500 £112,500 £115,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

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 22 January 2022.

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 22 January 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London -34 23 £85,000 +41.67% 13
West London -52 19 £48,250 -22.80% 8
East London -25 12 £57,500 +43.75% 1
South London -19 4 £73,750 +14.47%
Clustering
England

For the 6 months to 22 January 2022, 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.

1 106 (53.27%) SQL
2 104 (52.26%) Linux
3 99 (49.75%) VMware
4 87 (43.72%) Azure
5 74 (37.19%) Finance
6 69 (34.67%) PowerShell
7 66 (33.17%) Microsoft
8 61 (30.65%) Active Directory
8 61 (30.65%) AWS
9 59 (29.65%) SQL Server
10 56 (28.14%) Red Hat
11 54 (27.14%) Python
12 52 (26.13%) Windows
12 52 (26.13%) Microsoft 365
13 51 (25.63%) Red Hat Enterprise Linux
14 45 (22.61%) Performance Tuning
15 44 (22.11%) Azure Active Directory
15 44 (22.11%) VMware Infrastructure
16 42 (21.11%) Infrastructure Engineering
17 40 (20.10%) Kubernetes
17 40 (20.10%) DevOps
17 40 (20.10%) MS Exchange
18 38 (19.10%) High Availability
19 37 (18.59%) Oracle
20 36 (18.09%) vSphere
20 36 (18.09%) Ansible
21 34 (17.09%) SCCM
21 34 (17.09%) Windows Server
22 32 (16.08%) Agile Software Development
22 32 (16.08%) ITIL

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 40 (20.10%) MS Exchange
2 15 (7.54%) IIS
3 14 (7.04%) nginx
3 14 (7.04%) WebLogic
4 13 (6.53%) Tomcat
5 12 (6.03%) Traefik
6 8 (4.02%) Apache
7 6 (3.02%) Confluence
8 5 (2.51%) Adobe Experience Manager
9 4 (2.01%) JBoss
9 4 (2.01%) Jupyter
9 4 (2.01%) SharePoint
10 2 (1.01%) Apache Airflow
10 2 (1.01%) Red Hat Fuse
10 2 (1.01%) SharePoint 2010
10 2 (1.01%) SharePoint 2013
10 2 (1.01%) Skype for Business
11 1 (0.50%) Apache Spark
11 1 (0.50%) Exchange Server 2013
11 1 (0.50%) OpenStack
Applications
1 3 (1.51%) Microsoft Excel
1 3 (1.51%) Microsoft Office
Business Applications
1 2 (1.01%) Dynamics CRM
Cloud Services
1 87 (43.72%) Azure
2 61 (30.65%) AWS
3 52 (26.13%) Microsoft 365
4 44 (22.11%) Azure Active Directory
5 25 (12.56%) Azure Stack
6 23 (11.56%) GCP
7 21 (10.55%) Amazon EKS
7 21 (10.55%) AWS CloudFormation
8 20 (10.05%) Power Platform
9 12 (6.03%) Amazon CloudWatch
9 12 (6.03%) Amazon SQS
9 12 (6.03%) Virtual Private Cloud
10 11 (5.53%) Serverless
11 10 (5.03%) Amazon EC2
12 7 (3.52%) Amazon S3
12 7 (3.52%) AWS Lambda
12 7 (3.52%) PaaS
12 7 (3.52%) Route 53
13 6 (3.02%) IaaS
13 6 (3.02%) SaaS
Communications & Networking
1 32 (16.08%) SSL
2 25 (12.56%) Firewall
3 23 (11.56%) SAN
4 13 (6.53%) DNS
5 12 (6.03%) Broadband
5 12 (6.03%) DHCP
5 12 (6.03%) HTTP
6 10 (5.03%) TCP/IP
7 8 (4.02%) LAN
8 7 (3.52%) VLAN
8 7 (3.52%) WAN
9 6 (3.02%) VPN
10 5 (2.51%) Kerberos
11 4 (2.01%) HTTPS
11 4 (2.01%) iSCSI
11 4 (2.01%) Wireless
12 3 (1.51%) Fibre Channel
13 2 (1.01%) Internet
13 2 (1.01%) Network Security
13 2 (1.01%) Skype
Database & Business Intelligence
1 59 (29.65%) SQL Server
2 25 (12.56%) MySQL
3 22 (11.06%) Redis
4 20 (10.05%) Power BI
5 19 (9.55%) Oracle Database
6 17 (8.54%) MongoDB
6 17 (8.54%) Relational Database
6 17 (8.54%) SQL Server Reporting Services
7 15 (7.54%) RDBMS
8 14 (7.04%) NoSQL
8 14 (7.04%) Oracle Database 11g
8 14 (7.04%) Oracle Database 12c
9 13 (6.53%) Tableau
10 12 (6.03%) Amazon DynamoDB
10 12 (6.03%) Event Store
11 9 (4.52%) Crystal Reports
12 8 (4.02%) Amazon RDS
12 8 (4.02%) Azure SQL Database
12 8 (4.02%) Looker
12 8 (4.02%) SQL Server Analysis Services
Development Applications
1 23 (11.56%) Git (software)
2 21 (10.55%) Jenkins
3 14 (7.04%) Oracle APEX
4 13 (6.53%) Octopus Deploy
5 12 (6.03%) git-flow
6 9 (4.52%) JIRA
7 3 (1.51%) Maven
8 2 (1.01%) Subversion
8 2 (1.01%) TeamCity
9 1 (0.50%) Cucumber
9 1 (0.50%) GitLab
9 1 (0.50%) GoCD
9 1 (0.50%) Gradle
General
1 74 (37.19%) Finance
2 28 (14.07%) Analytical Skills
3 22 (11.06%) Social Skills
4 21 (10.55%) Banking
5 5 (2.51%) Back Office
6 4 (2.01%) Legal
7 3 (1.51%) Law
7 3 (1.51%) Marketing
8 2 (1.01%) Financial Institution
8 2 (1.01%) Investment Banking
9 1 (0.50%) Environmental Health
9 1 (0.50%) Front Office
Job Titles
1 35 (17.59%) Infrastructure Engineer
2 31 (15.58%) Cloud Engineer
3 25 (12.56%) 3rd Line Engineer
3 25 (12.56%) DBA
4 24 (12.06%) Cloud Infrastructure Engineer
5 23 (11.56%) 3rd Line Infrastructure Engineer
6 18 (9.05%) Architect
7 16 (8.04%) Analyst
7 16 (8.04%) DevOps Engineer
8 15 (7.54%) Developer
9 14 (7.04%) Administrator
9 14 (7.04%) Oracle DBA
10 13 (6.53%) AWS Engineer
10 13 (6.53%) Linux Engineer
11 12 (6.03%) AWS DevOps
11 12 (6.03%) AWS DevOps Engineer
12 10 (5.03%) Infrastructure Architect
12 10 (5.03%) SQL DBA
12 10 (5.03%) Support Engineer
13 9 (4.52%) Applications Support
Libraries, Frameworks & Software Standards
1 14 (7.04%) LEMP Stack
2 13 (6.53%) Elastic Stack
3 12 (6.03%) ActiveMQ
3 12 (6.03%) RabbitMQ
4 10 (5.03%) Middleware
5 9 (4.52%) 802.1X
5 9 (4.52%) HTML
5 9 (4.52%) Node.js
5 9 (4.52%) React Native
5 9 (4.52%) REST
5 9 (4.52%) Web Services
6 7 (3.52%) Spring
7 5 (2.51%) CSS
7 5 (2.51%) Hibernate
8 4 (2.01%) HTML5
8 4 (2.01%) JSON
8 4 (2.01%) Pandas
8 4 (2.01%) React
8 4 (2.01%) Redux
9 3 (1.51%) XML
Miscellaneous
1 26 (13.07%) PKI
2 25 (12.56%) Enterprise Storage
3 10 (5.03%) Social Media
4 9 (4.52%) Replication
5 8 (4.02%) AS400
6 6 (3.02%) Enterprise Software
6 6 (3.02%) Hedge funds
6 6 (3.02%) Smartphone
7 5 (2.51%) Management Information System
7 5 (2.51%) Self-Motivation
8 4 (2.01%) Data Structures
8 4 (2.01%) Legacy Systems
8 4 (2.01%) SCADA
9 3 (1.51%) Algorithms
9 3 (1.51%) Data Centre
9 3 (1.51%) Mobile App
9 3 (1.51%) Video Conferencing
9 3 (1.51%) Virtual Team
10 2 (1.01%) Mainframe
11 1 (0.50%) Mobile Payment
Operating Systems
1 104 (52.26%) Linux
2 52 (26.13%) Windows
3 51 (25.63%) Red Hat Enterprise Linux
4 34 (17.09%) Windows Server
5 26 (13.07%) Unix
6 19 (9.55%) Windows Server 2008
6 19 (9.55%) Windows Server 2012
7 15 (7.54%) Windows Server 2016
8 14 (7.04%) SUSE Linux Enterprise Server
9 11 (5.53%) CentOS
9 11 (5.53%) Windows Server 2019
10 9 (4.52%) Windows 10
11 7 (3.52%) Ubuntu
12 6 (3.02%) SUSE
13 4 (2.01%) Solaris
13 4 (2.01%) Windows Server 2003
13 4 (2.01%) Windows XP
14 3 (1.51%) Windows 7
15 1 (0.50%) FreeBSD
15 1 (0.50%) Oracle Linux
Processes & Methodologies
1 45 (22.61%) Performance Tuning
2 42 (21.11%) Infrastructure Engineering
3 40 (20.10%) DevOps
4 38 (19.10%) High Availability
5 32 (16.08%) Agile Software Development
5 32 (16.08%) ITIL
6 27 (13.57%) Business Intelligence
6 27 (13.57%) Disaster Recovery
6 27 (13.57%) Load Balancing
7 26 (13.07%) Change Control
7 26 (13.07%) Software Deployment
7 26 (13.07%) Systems Analysis
8 25 (12.56%) Microservices
9 22 (11.06%) Migration
10 21 (10.55%) CI/CD
10 21 (10.55%) Infrastructure as Code
11 20 (10.05%) Machine Learning
12 17 (8.54%) Data Science
12 17 (8.54%) Problem-Solving
13 16 (8.04%) Change Management
Programming Languages
1 106 (53.27%) SQL
2 69 (34.67%) PowerShell
3 54 (27.14%) Python
4 22 (11.06%) Java
5 19 (9.55%) Shell Script
6 15 (7.54%) Bash
7 14 (7.04%) PL/SQL
8 11 (5.53%) JavaScript
9 10 (5.03%) VBScript
10 6 (3.02%) VB
11 5 (2.51%) C
11 5 (2.51%) Ruby
11 5 (2.51%) Scala
11 5 (2.51%) T-SQL
12 3 (1.51%) Java 8
12 3 (1.51%) Kotlin
12 3 (1.51%) LookML
13 2 (1.01%) Perl
13 2 (1.01%) TypeScript
13 2 (1.01%) VBA
Qualifications
1 9 (4.52%) Degree
2 4 (2.01%) CISSP
2 4 (2.01%) PhD
3 3 (1.51%) CCNA
3 3 (1.51%) CEH
3 3 (1.51%) CISA
3 3 (1.51%) Cisco Certification
3 3 (1.51%) CISMP
3 3 (1.51%) CompTIA Security+
3 3 (1.51%) SSCP
4 2 (1.01%) DV Cleared
4 2 (1.01%) MCITP
4 2 (1.01%) MCSE
4 2 (1.01%) Microsoft Certification
4 2 (1.01%) Security Cleared
4 2 (1.01%) VMware Certified Professional (VCP)
5 1 (0.50%) AWS Certification
5 1 (0.50%) ITIL Certification
5 1 (0.50%) RHCSA
5 1 (0.50%) SC Cleared
Quality Assurance & Compliance
1 8 (4.02%) GDPR
2 4 (2.01%) ISO/IEC 27001
2 4 (2.01%) NIST
2 4 (2.01%) SLA
3 2 (1.01%) PMO
3 2 (1.01%) QA
3 2 (1.01%) Sarbanes-Oxley
System Software
1 61 (30.65%) Active Directory
2 44 (22.11%) VMware Infrastructure
3 36 (18.09%) vSphere
4 20 (10.05%) Docker
5 17 (8.54%) VMware ESXi
6 7 (3.52%) Hyper-V
6 7 (3.52%) Virtual Machines
7 3 (1.51%) Terminal Services
8 2 (1.01%) iptables
8 2 (1.01%) NFS
9 1 (0.50%) FreeRADIUS
9 1 (0.50%) Veritas Cluster Server
9 1 (0.50%) Xen
Systems Management
1 40 (20.10%) Kubernetes
2 36 (18.09%) Ansible
3 34 (17.09%) SCCM
4 28 (14.07%) Terraform
5 27 (13.57%) Failover Clustering
6 15 (7.54%) Microsoft Clustering
7 14 (7.04%) Data Guard
7 14 (7.04%) Microsoft Intune
7 14 (7.04%) Oracle Enterprise Manager
7 14 (7.04%) Oracle RMAN
8 12 (6.03%) Consul
8 12 (6.03%) Grafana
8 12 (6.03%) Prometheus
8 12 (6.03%) Puppet
8 12 (6.03%) Rancher
9 11 (5.53%) vCenter Server
10 10 (5.03%) Opscode Chef
10 10 (5.03%) Salt
11 9 (4.52%) Single Sign-On
12 6 (3.02%) Red Hat Satellite
Vendors
1 99 (49.75%) VMware
2 66 (33.17%) Microsoft
3 56 (28.14%) Red Hat
4 37 (18.59%) Oracle
5 31 (15.58%) 3PAR
6 25 (12.56%) Apple
6 25 (12.56%) Scality
7 23 (11.56%) Google
8 18 (9.05%) Veritas
9 14 (7.04%) Symantec
10 10 (5.03%) HP
11 9 (4.52%) Cisco
11 9 (4.52%) EMC
11 9 (4.52%) SaltStack
12 7 (3.52%) Citrix
12 7 (3.52%) Splunk
13 6 (3.02%) Adobe
14 4 (2.01%) Cognizant
14 4 (2.01%) IBM
15 3 (1.51%) Dell