Period
to 21 September 2021

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in England. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 21 September 2021 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 597 461 561
Rank change year-on-year -136 +100 -28
Permanent jobs citing Clustering 448 218 599
As % of all permanent jobs advertised in England 0.42% 0.48% 0.46%
As % of the Miscellaneous category 1.03% 1.32% 1.30%
Number of salaries quoted 366 187 472
10th Percentile £36,250 £35,900 £37,000
25th Percentile £40,014 £41,625 £43,750
Median annual salary (50th Percentile) £52,500 £52,500 £52,500
75th Percentile £72,500 £61,250 £72,500
90th Percentile £87,500 £68,500 £83,750
UK median annual salary £52,500 £50,000 £52,500
% change year-on-year +5.00% -4.76% -

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 England with a requirement for generic IT skills.

All Generic IT Skills
England
Permanent vacancies with a requirement for generic IT skills 43,581 16,512 45,977
As % of all permanent IT jobs advertised in England 40.57% 36.25% 35.46%
Number of salaries quoted 26,494 13,529 35,265
10th Percentile £32,996 £33,500 £30,000
25th Percentile £42,500 £42,500 £38,500
Median annual salary (50th Percentile) £60,000 £59,254 £55,000
Median % change year-on-year +1.26% +7.73% +4.76%
75th Percentile £81,250 £80,000 £73,750
90th Percentile £98,750 £102,500 £91,250
UK median annual salary £60,000 £57,500 £53,000
% change year-on-year +4.35% +8.49% +0.95%

Clustering
Job Vacancy Trend in England

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

Job vacancy trend for Clustering in England

Clustering
Salary Trend in England

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

Salary trend for Clustering in England

Clustering
Salary Histogram in England

Salary distribution for jobs citing Clustering in England over the 6 months to 21 September 2021.

Salary histogram for Clustering in England

Clustering
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the England region over the 6 months to 21 September 2021. 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
London -113 189 £65,000 +8.33% 51
Midlands -51 99 £40,000 +6.67% 14
West Midlands -32 93 £40,000 +6.67% 10
South East -126 70 £57,500 +4.55% 10
South West -71 47 £50,000 - 11
North of England -155 27 £46,500 -7.00% 18
North West -97 21 £46,500 -7.00% 13
East of England -87 9 £42,529 -21.97% 8
Yorkshire -113 7 £36,000 -40.00% 2
East Midlands -66 6 £42,469 -15.06% 4
North East - 1 £55,000 - 3
Clustering
UK

For the 6 months to 21 September 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 England region with a requirement for Clustering.

1 216 (48.21%) Microsoft
2 202 (45.09%) SQL Server
3 200 (44.64%) Azure
4 183 (40.85%) SQL
5 182 (40.63%) Windows
6 173 (38.62%) VMware
7 168 (37.50%) AWS
8 162 (36.16%) Active Directory
9 142 (31.70%) High Availability
10 130 (29.02%) Windows Server
11 120 (26.79%) Disaster Recovery
12 118 (26.34%) Linux
12 118 (26.34%) PowerShell
13 101 (22.54%) Finance
14 90 (20.09%) Microsoft 365
15 88 (19.64%) Performance Tuning
16 81 (18.08%) DevOps
17 77 (17.19%) Microsoft Clustering
17 77 (17.19%) IIS
18 72 (16.07%) VMware Infrastructure
18 72 (16.07%) VMware ESXi
19 67 (14.96%) Oracle
19 67 (14.96%) Agile Software Development
20 66 (14.73%) T-SQL
20 66 (14.73%) Java
21 65 (14.51%) SQL Server Reporting Services
22 63 (14.06%) Infrastructure Engineering
23 62 (13.84%) Web Services
24 61 (13.62%) Python
25 60 (13.39%) DNS

Clustering
Co-occurring IT Skills in England 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 77 (17.19%) IIS
2 49 (10.94%) MS Exchange
3 22 (4.91%) Apache
4 16 (3.57%) nginx
5 13 (2.90%) Confluence
5 13 (2.90%) Tomcat
6 11 (2.46%) SharePoint
7 10 (2.23%) Exchange Server 2013
8 7 (1.56%) WebSphere
9 6 (1.34%) Elasticsearch
9 6 (1.34%) Traefik
10 5 (1.12%) Exchange Server 2010
11 4 (0.89%) Apache Spark
11 4 (0.89%) JBoss
11 4 (0.89%) Skype for Business
12 3 (0.67%) Blackberry Enterprise Server
13 2 (0.45%) Apache Airflow
13 2 (0.45%) CMS
13 2 (0.45%) Mule
13 2 (0.45%) Red Hat Fuse
Applications
1 15 (3.35%) Microsoft Office
2 4 (0.89%) Microsoft Excel
Business Applications
1 9 (2.01%) Dynamics CRM
2 3 (0.67%) Maximo
3 1 (0.22%) Dynamics AX
3 1 (0.22%) Dynamics GP
3 1 (0.22%) Sage 200
Cloud Services
1 200 (44.64%) Azure
2 168 (37.50%) AWS
3 90 (20.09%) Microsoft 365
4 40 (8.93%) Azure Active Directory
5 33 (7.37%) Power Platform
6 32 (7.14%) GCP
6 32 (7.14%) PaaS
7 27 (6.03%) IaaS
8 24 (5.36%) SaaS
9 23 (5.13%) AWS CloudFormation
10 21 (4.69%) GitHub
11 16 (3.57%) Azure Stack
12 12 (2.68%) Amazon EC2
13 11 (2.46%) Amazon CloudWatch
14 9 (2.01%) Amazon ECS
14 9 (2.01%) Cloud Computing
15 8 (1.79%) Amazon ElastiCache
15 8 (1.79%) Amazon Kinesis
16 7 (1.56%) Amazon EKS
17 6 (1.34%) Amazon SQS
Communications & Networking
1 60 (13.39%) DNS
2 54 (12.05%) Firewall
3 44 (9.82%) DHCP
4 43 (9.60%) SAN
5 38 (8.48%) VLAN
6 37 (8.26%) TCP/IP
7 35 (7.81%) SSL
8 33 (7.37%) LAN
9 25 (5.58%) HTTP
9 25 (5.58%) WAN
10 22 (4.91%) VPN
11 19 (4.24%) iSCSI
12 15 (3.35%) Broadband
12 15 (3.35%) Internet
13 13 (2.90%) Fibre Channel
14 12 (2.68%) Network Security
15 10 (2.23%) Remote Desktop
16 9 (2.01%) Wi-Fi
17 8 (1.79%) VSAN
17 8 (1.79%) Wireless
Database & Business Intelligence
1 202 (45.09%) SQL Server
2 65 (14.51%) SQL Server Reporting Services
3 57 (12.72%) SQL Server Integration Services
4 45 (10.04%) Data Warehouse
5 44 (9.82%) Relational Database
6 39 (8.71%) PostgreSQL
7 37 (8.26%) MySQL
8 35 (7.81%) SQL Server Analysis Services
9 33 (7.37%) Power BI
10 29 (6.47%) RDBMS
11 28 (6.25%) SQL Server 2012
12 26 (5.80%) Oracle Database
13 21 (4.69%) Redis
14 18 (4.02%) Azure SQL Database
14 18 (4.02%) MongoDB
15 13 (2.90%) MariaDB
15 13 (2.90%) NoSQL
16 11 (2.46%) Crystal Reports
17 10 (2.23%) SQL Server 2016
18 9 (2.01%) Tableau
Development Applications
1 36 (8.04%) Jenkins
2 30 (6.70%) Git (software)
3 23 (5.13%) JIRA
4 20 (4.46%) Team Foundation Server
5 17 (3.79%) Octopus Deploy
6 6 (1.34%) git-flow
6 6 (1.34%) Gradle
7 1 (0.22%) GitLab
7 1 (0.22%) GoCD
7 1 (0.22%) JUnit
7 1 (0.22%) TeamCity
7 1 (0.22%) Visual Studio
General
1 101 (22.54%) Finance
2 59 (13.17%) Social Skills
3 51 (11.38%) Banking
4 22 (4.91%) Analytical Skills
5 17 (3.79%) Law
6 15 (3.35%) Inclusion and Diversity
7 11 (2.46%) Investment Banking
8 10 (2.23%) Telecoms
9 9 (2.01%) Documentation Skills
10 8 (1.79%) Retail
11 7 (1.56%) Marketing
12 5 (1.12%) Games
13 4 (0.89%) Back Office
13 4 (0.89%) Legal
13 4 (0.89%) Public Sector
14 2 (0.45%) Aerospace
14 2 (0.45%) Local Government
14 2 (0.45%) Military
14 2 (0.45%) Presentation Skills
14 2 (0.45%) Publishing
Job Titles
1 104 (23.21%) DBA
2 77 (17.19%) SQL DBA
3 63 (14.06%) Administrator
4 52 (11.61%) Infrastructure Engineer
5 50 (11.16%) IT Engineer
6 47 (10.49%) 3rd Line Engineer
7 43 (9.60%) Developer
7 43 (9.60%) SQL Server DBA
8 40 (8.93%) Cloud Engineer
8 40 (8.93%) Support Engineer
9 34 (7.59%) VMware Engineer
10 30 (6.70%) Project Engineer
11 27 (6.03%) Senior DBA
12 26 (5.80%) Windows Engineer
13 24 (5.36%) 3rd Line Support
13 24 (5.36%) 3rd Line Support Engineer
14 22 (4.91%) 3rd Line Infrastructure Engineer
14 22 (4.91%) Active Directory Engineer
15 21 (4.69%) Senior SQL DBA
16 20 (4.46%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 62 (13.84%) Web Services
2 32 (7.14%) REST
3 26 (5.80%) Elastic Stack
4 23 (5.13%) Spring
5 16 (3.57%) LAMP
5 16 (3.57%) LEMP Stack
6 14 (3.13%) LDAP
7 13 (2.90%) Middleware
8 12 (2.68%) Kafka
9 11 (2.46%) 802.1X
9 11 (2.46%) HTML
9 11 (2.46%) Spring Boot
10 10 (2.23%) J2EE
10 10 (2.23%) LAPP Stack
10 10 (2.23%) Struts
11 9 (2.01%) EJB
11 9 (2.01%) Node.js
11 9 (2.01%) Velocity
12 8 (1.79%) HTML5
12 8 (1.79%) Lambda Expressions
Miscellaneous
1 50 (11.16%) Replication
2 27 (6.03%) Data Centre
2 27 (6.03%) PKI
3 20 (4.46%) Public Cloud
4 19 (4.24%) Enterprise Software
5 17 (3.79%) Management Information System
6 16 (3.57%) Enterprise Storage
7 14 (3.13%) Virtual Team
8 12 (2.68%) Legacy Systems
9 10 (2.23%) AS400
10 9 (2.01%) Online Banking
11 6 (1.34%) Algorithms
11 6 (1.34%) Data Structures
12 5 (1.12%) Hedge funds
12 5 (1.12%) Self-Motivation
12 5 (1.12%) Social Media
12 5 (1.12%) Video Conferencing
13 4 (0.89%) Mainframe
14 3 (0.67%) EMC VNX
14 3 (0.67%) Fat Client
Operating Systems
1 182 (40.63%) Windows
2 130 (29.02%) Windows Server
3 118 (26.34%) Linux
4 38 (8.48%) Red Hat Enterprise Linux
5 35 (7.81%) Unix
6 27 (6.03%) Windows Server 2019
7 25 (5.58%) Windows Server 2012
8 24 (5.36%) CentOS
9 19 (4.24%) Windows Server 2008
10 18 (4.02%) Windows Server 2016
11 16 (3.57%) Windows 10
12 10 (2.23%) Solaris
13 7 (1.56%) AIX
14 6 (1.34%) Ubuntu
15 4 (0.89%) Windows 7
15 4 (0.89%) zOS
16 3 (0.67%) Apple iOS
17 1 (0.22%) Mac OS
17 1 (0.22%) Oracle Linux
17 1 (0.22%) SUSE
Processes & Methodologies
1 142 (31.70%) High Availability
2 120 (26.79%) Disaster Recovery
3 88 (19.64%) Performance Tuning
4 81 (18.08%) DevOps
5 67 (14.96%) Agile Software Development
6 63 (14.06%) Infrastructure Engineering
7 60 (13.39%) Business Intelligence
8 57 (12.72%) Migration
9 46 (10.27%) ETL
9 46 (10.27%) Problem-Solving
10 44 (9.82%) Change Management
11 43 (9.60%) Microservices
12 35 (7.81%) Continuous Integration
13 33 (7.37%) ITIL
14 32 (7.14%) Software Engineering
15 31 (6.92%) Database Mirroring
16 30 (6.70%) Capacity Management
17 29 (6.47%) Data Security
18 27 (6.03%) Load Balancing
18 27 (6.03%) Site Reliability Engineering
Programming Languages
1 183 (40.85%) SQL
2 118 (26.34%) PowerShell
3 66 (14.73%) Java
3 66 (14.73%) T-SQL
4 61 (13.62%) Python
5 30 (6.70%) Bash Shell
6 25 (5.58%) Shell Script
7 20 (4.46%) JavaScript
8 14 (3.13%) Scala
9 13 (2.90%) Go
10 12 (2.68%) Kotlin
10 12 (2.68%) Perl
11 10 (2.23%) C
12 4 (0.89%) VBScript
13 3 (0.67%) C#
13 3 (0.67%) C++
13 3 (0.67%) Java 8
13 3 (0.67%) PL/SQL
14 2 (0.45%) HLASM
14 2 (0.45%) LookML
Qualifications
1 39 (8.71%) Degree
2 31 (6.92%) Security Cleared
3 24 (5.36%) SC Cleared
4 11 (2.46%) Microsoft Certification
5 8 (1.79%) MCSA
6 7 (1.56%) MCSE
7 6 (1.34%) DV Cleared
8 5 (1.12%) ITIL Certification
9 3 (0.67%) AWS Certification
9 3 (0.67%) Computer Science Degree
9 3 (0.67%) MCITP
10 2 (0.45%) CISSP
10 2 (0.45%) MCTS
10 2 (0.45%) VMware Certified Professional (VCP)
11 1 (0.22%) CCNA
11 1 (0.22%) Cisco Certification
11 1 (0.22%) OCA
11 1 (0.22%) OCP
11 1 (0.22%) Oracle Certification
11 1 (0.22%) RHCE
Quality Assurance & Compliance
1 34 (7.59%) SLA
2 19 (4.24%) GDPR
3 13 (2.90%) QA
4 9 (2.01%) PMO
5 8 (1.79%) Data Quality
6 5 (1.12%) Accessibility
6 5 (1.12%) ISO/IEC 27001
7 2 (0.45%) HL7
8 1 (0.22%) ISO 15022
8 1 (0.22%) ISO 20022
8 1 (0.22%) NIST
8 1 (0.22%) PCI DSS
System Software
1 162 (36.16%) Active Directory
2 72 (16.07%) VMware ESXi
2 72 (16.07%) VMware Infrastructure
3 53 (11.83%) Hyper-V
4 33 (7.37%) vSphere
5 20 (4.46%) Docker
6 11 (2.46%) NFS
7 10 (2.23%) iptables
8 9 (2.01%) Terminal Services
9 7 (1.56%) Oracle RAC
10 5 (1.12%) Veritas Cluster Server
10 5 (1.12%) Virtual Machines
11 4 (0.89%) ProxySG
12 3 (0.67%) DFS Replication
12 3 (0.67%) KVM
13 2 (0.45%) LXC
13 2 (0.45%) pfSense
13 2 (0.45%) SRDF
13 2 (0.45%) XenApp
14 1 (0.22%) XenDesktop
Systems Management
1 77 (17.19%) Microsoft Clustering
2 52 (11.61%) Ansible
3 47 (10.49%) SCCM
4 39 (8.71%) Failover Clustering
5 38 (8.48%) Kubernetes
6 26 (5.80%) Puppet
7 25 (5.58%) vCenter Server
8 22 (4.91%) Terraform
9 21 (4.69%) Microsoft Intune
10 18 (4.02%) Grafana
11 17 (3.79%) Opscode Chef
12 16 (3.57%) Active Directory Federation Services
13 14 (3.13%) SCOM
13 14 (3.13%) WSUS
14 12 (2.68%) Prometheus
15 9 (2.01%) Single Sign-On
16 8 (1.79%) Data Guard
17 7 (1.56%) Red Hat Satellite
18 6 (1.34%) Rancher
18 6 (1.34%) SCOrch
Vendors
1 216 (48.21%) Microsoft
2 173 (38.62%) VMware
3 67 (14.96%) Oracle
4 49 (10.94%) Red Hat
5 41 (9.15%) Cisco
6 38 (8.48%) Google
7 23 (5.13%) 3PAR
8 19 (4.24%) Apple
9 17 (3.79%) Citrix
10 15 (3.35%) Scality
11 13 (2.90%) EMC
11 13 (2.90%) IBM
12 12 (2.68%) HP
12 12 (2.68%) Veeam
13 11 (2.46%) Dell
13 11 (2.46%) NetApp
14 10 (2.23%) Atlassian
14 10 (2.23%) Brocade
14 10 (2.23%) F5
14 10 (2.23%) Veritas