Period
to 12 May 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 12 May 2021 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
12 May 2021
Same period 2020 Same period 2019
Rank 515 569 502
Rank change year-on-year +54 -67 +7
Permanent jobs citing Clustering 358 372 758
As % of all permanent jobs advertised in England 0.45% 0.41% 0.56%
As % of the Miscellaneous category 1.24% 1.18% 1.62%
Number of salaries quoted 303 291 633
10th Percentile £32,500 £34,750 £37,500
25th Percentile £40,000 £40,000 £42,500
Median annual salary (50th Percentile) £50,000 £52,500 £52,500
Median % change year-on-year -4.76% - +5.00%
75th Percentile £72,500 £62,500 £68,750
90th Percentile £90,000 £70,000 £80,000
UK median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +5.00%

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 England with a requirement for generic IT skills.

All Generic IT Skills
England
Permanent vacancies with a requirement for generic IT skills 28,770 31,543 46,924
As % of all permanent IT jobs advertised in England 36.54% 34.73% 34.86%
Number of salaries quoted 19,910 25,002 35,987
10th Percentile £32,500 £31,250 £30,000
25th Percentile £42,500 £41,250 £38,000
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - +7.84%
75th Percentile £77,500 £77,500 £72,500
90th Percentile £96,250 £96,250 £90,000
UK median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

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 12 May 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 12 May 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 +99 147 £70,000 +16.67% 13
Midlands +48 74 £40,000 +6.67% 13
West Midlands +31 64 £37,500 - 11
North of England -25 56 £45,000 -10.00% 10
South East -29 45 £50,000 +2.56% 18
North West +17 42 £46,000 -8.00% 10
South West -7 22 £42,500 -17.07% 11
East of England +18 13 £45,000 -18.18% 3
Yorkshire -16 11 £45,000 -18.18%
East Midlands +10 10 £45,000 +36.36% 2
North East -6 4 £47,500 +26.67%
Clustering
UK

For the 6 months to 12 May 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.

1 213 (59.50%) Windows
2 173 (48.32%) Azure
3 166 (46.37%) Active Directory
4 163 (45.53%) VMware
5 161 (44.97%) Microsoft
6 150 (41.90%) Windows Server
7 149 (41.62%) SQL Server
8 126 (35.20%) AWS
9 119 (33.24%) SQL
10 109 (30.45%) PowerShell
11 99 (27.65%) Microsoft 365
12 97 (27.09%) Linux
13 91 (25.42%) High Availability
14 84 (23.46%) Microsoft Clustering
15 80 (22.35%) Performance Tuning
15 80 (22.35%) VMware Infrastructure
16 74 (20.67%) Hyper-V
16 74 (20.67%) Firewall
17 73 (20.39%) DNS
18 72 (20.11%) Disaster Recovery
19 70 (19.55%) VMware ESXi
20 69 (19.27%) Replication
21 68 (18.99%) Oracle
22 63 (17.60%) IIS
23 62 (17.32%) Cisco
24 57 (15.92%) DHCP
24 57 (15.92%) PostgreSQL
25 52 (14.53%) DevOps
25 52 (14.53%) Failover Clustering
26 50 (13.97%) MySQL

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 63 (17.60%) IIS
2 49 (13.69%) MS Exchange
3 24 (6.70%) SharePoint
4 18 (5.03%) Apache
5 12 (3.35%) Confluence
6 10 (2.79%) Exchange Server 2013
7 9 (2.51%) Exchange Server 2010
8 8 (2.23%) JBoss
9 6 (1.68%) Elasticsearch
9 6 (1.68%) Skype for Business
10 5 (1.40%) nginx
11 4 (1.12%) OpenEdge
12 3 (0.84%) Apache Spark
12 3 (0.84%) Blackberry Enterprise Server
13 2 (0.56%) Mule
13 2 (0.56%) Red Hat Fuse
13 2 (0.56%) WebSphere
14 1 (0.28%) MS Project Server
14 1 (0.28%) Oracle Coherence
14 1 (0.28%) Tomcat
Applications
1 17 (4.75%) Microsoft Office
2 1 (0.28%) Microsoft Excel
2 1 (0.28%) Microsoft PowerPoint
Business Applications
1 3 (0.84%) Dynamics CRM
2 2 (0.56%) Sage 200
3 1 (0.28%) Maximo
3 1 (0.28%) Remedy ITSM
Cloud Services
1 173 (48.32%) Azure
2 126 (35.20%) AWS
3 99 (27.65%) Microsoft 365
4 38 (10.61%) Azure Active Directory
5 27 (7.54%) GCP
6 24 (6.70%) PaaS
7 21 (5.87%) IaaS
8 18 (5.03%) SaaS
9 17 (4.75%) Power Platform
10 9 (2.51%) Trello
11 8 (2.23%) AWS CloudFormation
12 7 (1.96%) Amazon ECS
12 7 (1.96%) Amazon ElastiCache
12 7 (1.96%) Amazon Kinesis
13 6 (1.68%) Mimecast
14 5 (1.40%) Amazon EC2
14 5 (1.40%) Azure Storage
14 5 (1.40%) Google Data Studio
15 4 (1.12%) Azure Cosmos DB
16 3 (0.84%) Amazon S3
Communications & Networking
1 74 (20.67%) Firewall
2 73 (20.39%) DNS
3 57 (15.92%) DHCP
4 41 (11.45%) SAN
5 39 (10.89%) TCP/IP
6 31 (8.66%) VLAN
7 26 (7.26%) WAN
8 22 (6.15%) LAN
9 19 (5.31%) VPN
10 18 (5.03%) iSCSI
10 18 (5.03%) Remote Desktop
11 14 (3.91%) MPLS
12 13 (3.63%) Internet
12 13 (3.63%) VoIP
13 12 (3.35%) Wireless
14 11 (3.07%) Wi-Fi
15 10 (2.79%) Fibre Channel
15 10 (2.79%) Network Security
15 10 (2.79%) SMTP
16 9 (2.51%) Skype
Database & Business Intelligence
1 149 (41.62%) SQL Server
2 57 (15.92%) PostgreSQL
3 50 (13.97%) MySQL
4 34 (9.50%) Relational Database
5 31 (8.66%) SQL Server Integration Services
6 30 (8.38%) RDBMS
7 29 (8.10%) SQL Server Reporting Services
8 26 (7.26%) SQL Server 2016
9 23 (6.42%) Oracle Database
10 21 (5.87%) MariaDB
10 21 (5.87%) SQL Server 2014
11 19 (5.31%) Azure SQL Database
11 19 (5.31%) SQL Server Analysis Services
12 18 (5.03%) MongoDB
13 16 (4.47%) Oracle Database 12c
13 16 (4.47%) Oracle Exadata
13 16 (4.47%) Power BI
13 16 (4.47%) SQL Server 2012
14 13 (3.63%) Data Warehouse
14 13 (3.63%) SQL Server 2019
Development Applications
1 36 (10.06%) Jenkins
2 31 (8.66%) JIRA
3 10 (2.79%) Git (software)
3 10 (2.79%) Octopus Deploy
4 4 (1.12%) Gradle
5 2 (0.56%) GitLab
5 2 (0.56%) JUnit
5 2 (0.56%) Visual Studio
6 1 (0.28%) git-flow
6 1 (0.28%) GoCD
6 1 (0.28%) Maven
6 1 (0.28%) Sonatype Nexus
6 1 (0.28%) TeamCity
General
1 49 (13.69%) Social Skills
2 43 (12.01%) Finance
3 37 (10.34%) Analytical Skills
4 23 (6.42%) Banking
5 15 (4.19%) Law
6 8 (2.23%) Investment Banking
6 8 (2.23%) Public Sector
7 7 (1.96%) Presentation Skills
8 6 (1.68%) Documentation Skills
9 4 (1.12%) Marketing
10 3 (0.84%) Legal
10 3 (0.84%) Retail
10 3 (0.84%) Telecoms
11 2 (0.56%) Organisational Skills
11 2 (0.56%) Publishing
12 1 (0.28%) Influencing Skills
12 1 (0.28%) Local Government
12 1 (0.28%) Manufacturing
12 1 (0.28%) Military
12 1 (0.28%) Police
Job Titles
1 88 (24.58%) DBA
2 52 (14.53%) SQL DBA
3 47 (13.13%) Infrastructure Engineer
4 44 (12.29%) IT Engineer
5 38 (10.61%) Administrator
6 36 (10.06%) VMware Engineer
7 31 (8.66%) Azure Engineer
8 29 (8.10%) Developer
9 27 (7.54%) SQL Server DBA
10 26 (7.26%) Support Engineer
11 25 (6.98%) 3rd Line Engineer
11 25 (6.98%) Project Engineer
12 23 (6.42%) MySQL DBA
13 21 (5.87%) Architect
14 19 (5.31%) Active Directory Engineer
15 17 (4.75%) Linux Engineer
16 16 (4.47%) 3rd Line Infrastructure Engineer
17 15 (4.19%) Senior DBA
17 15 (4.19%) Windows Engineer
18 14 (3.91%) VMware Support Engineer
Libraries, Frameworks & Software Standards
1 36 (10.06%) Web Services
2 17 (4.75%) REST
3 13 (3.63%) Spring
4 11 (3.07%) 802.1X
4 11 (3.07%) LAMP
5 9 (2.51%) Kafka
5 9 (2.51%) Spring Boot
6 7 (1.96%) HTML
6 7 (1.96%) Lambda Expressions
7 6 (1.68%) .NET
7 6 (1.68%) Middleware
8 5 (1.40%) Elastic Stack
8 5 (1.40%) FIX Protocol
8 5 (1.40%) HTML5
8 5 (1.40%) LEMP Stack
9 4 (1.12%) AngularJS
9 4 (1.12%) LAPP Stack
9 4 (1.12%) LDAP
9 4 (1.12%) POSIX
10 3 (0.84%) JMS
Miscellaneous
1 69 (19.27%) Replication
2 20 (5.59%) Data Centre
3 17 (4.75%) Management Information System
4 15 (4.19%) Enterprise Software
5 14 (3.91%) Public Cloud
6 7 (1.96%) Hybrid Cloud
7 6 (1.68%) Self-Motivation
8 5 (1.40%) Fixed Income
8 5 (1.40%) PKI
8 5 (1.40%) Video Conferencing
8 5 (1.40%) Virtual Team
9 4 (1.12%) Enterprise Storage
9 4 (1.12%) Linux Command Line
9 4 (1.12%) Social Media
10 3 (0.84%) Blackberry
10 3 (0.84%) Driving Licence
10 3 (0.84%) Greenfield Project
11 2 (0.56%) Contactless
11 2 (0.56%) Data Structures
11 2 (0.56%) EMC VNX
Operating Systems
1 213 (59.50%) Windows
2 150 (41.90%) Windows Server
3 97 (27.09%) Linux
4 38 (10.61%) Windows Server 2012
5 33 (9.22%) Windows Server 2008
6 22 (6.15%) Windows Server 2016
7 21 (5.87%) CentOS
8 20 (5.59%) Windows 10
9 19 (5.31%) Windows Server 2019
10 17 (4.75%) Unix
11 15 (4.19%) Red Hat Enterprise Linux
11 15 (4.19%) Ubuntu
12 12 (3.35%) Mac OS
12 12 (3.35%) Solaris
13 9 (2.51%) Windows Server 2003
14 8 (2.23%) Windows 7
15 5 (1.40%) Debian
16 3 (0.84%) Fedora
17 2 (0.56%) Apple iOS
17 2 (0.56%) SUSE
Processes & Methodologies
1 91 (25.42%) High Availability
2 80 (22.35%) Performance Tuning
3 72 (20.11%) Disaster Recovery
4 52 (14.53%) DevOps
5 47 (13.13%) Agile Software Development
6 46 (12.85%) Infrastructure Engineering
7 41 (11.45%) ITIL
8 36 (10.06%) Problem-Solving
9 34 (9.50%) Migration
10 24 (6.70%) Business Intelligence
10 24 (6.70%) ETL
11 23 (6.42%) Microservices
12 22 (6.15%) Capacity Planning
12 22 (6.15%) Continuous Integration
13 19 (5.31%) Fintech
13 19 (5.31%) Problem Management
13 19 (5.31%) Service Management
14 18 (5.03%) Performance Monitoring
15 17 (4.75%) Change Control
15 17 (4.75%) Load Balancing
Programming Languages
1 119 (33.24%) SQL
2 109 (30.45%) PowerShell
3 45 (12.57%) T-SQL
4 43 (12.01%) Java
5 37 (10.34%) Python
6 32 (8.94%) Shell Script
7 30 (8.38%) Bash Shell
7 30 (8.38%) Perl
8 16 (4.47%) PL/SQL
9 14 (3.91%) C
10 11 (3.07%) JavaScript
11 10 (2.79%) Ruby
12 8 (2.23%) Scala
13 7 (1.96%) VBScript
14 6 (1.68%) Kotlin
15 3 (0.84%) C#
15 3 (0.84%) Go
15 3 (0.84%) Java 8
16 2 (0.56%) Clojure
16 2 (0.56%) VB
Qualifications
1 33 (9.22%) Security Cleared
2 29 (8.10%) SC Cleared
3 25 (6.98%) Microsoft Certification
4 19 (5.31%) MCSE
5 18 (5.03%) Degree
6 14 (3.91%) MCSA
7 12 (3.35%) VMware Certified Professional (VCP)
8 11 (3.07%) ITIL Certification
9 9 (2.51%) CCNA
9 9 (2.51%) Cisco Certification
10 5 (1.40%) AWS Certification
11 3 (0.84%) CCNP
11 3 (0.84%) Computer Science Degree
12 2 (0.56%) DV Cleared
12 2 (0.56%) MCDBA
12 2 (0.56%) MCITP
13 1 (0.28%) CISSP
13 1 (0.28%) DBS Check
13 1 (0.28%) ITIL Foundation Certificate
13 1 (0.28%) Master's Degree
Quality Assurance & Compliance
1 26 (7.26%) SLA
2 10 (2.79%) ISO/IEC 27001
2 10 (2.79%) QA
3 9 (2.51%) GDPR
4 4 (1.12%) Cyber Essentials
4 4 (1.12%) Cyber Essentials PLUS
4 4 (1.12%) ISO 9001
5 3 (0.84%) PMO
6 1 (0.28%) PCI DSS
System Software
1 166 (46.37%) Active Directory
2 80 (22.35%) VMware Infrastructure
3 74 (20.67%) Hyper-V
4 70 (19.55%) VMware ESXi
5 28 (7.82%) vSphere
6 16 (4.47%) Docker
6 16 (4.47%) Oracle RAC
7 11 (3.07%) XenApp
8 8 (2.23%) Veritas Volume Manager
8 8 (2.23%) Virtual Machines
9 7 (1.96%) KVM
10 6 (1.68%) Xen
11 5 (1.40%) Btrfs
11 5 (1.40%) Ceph
11 5 (1.40%) DRBD
11 5 (1.40%) Veritas Cluster Server
12 4 (1.12%) Firmware
12 4 (1.12%) iptables
12 4 (1.12%) Terminal Services
12 4 (1.12%) vCloud
Systems Management
1 84 (23.46%) Microsoft Clustering
2 52 (14.53%) Failover Clustering
3 43 (12.01%) SCCM
4 32 (8.94%) vCenter Server
5 31 (8.66%) Microsoft Intune
6 25 (6.98%) Ansible
7 19 (5.31%) Kubernetes
8 16 (4.47%) Terraform
9 15 (4.19%) NetBackup
10 14 (3.91%) McAfee ePO
10 14 (3.91%) Oracle RMAN
10 14 (3.91%) WSUS
11 12 (3.35%) SCOM
12 11 (3.07%) Puppet
13 10 (2.79%) Grafana
14 7 (1.96%) Opscode Chef
15 6 (1.68%) HP Data Protector
15 6 (1.68%) Red Hat Satellite
16 5 (1.40%) Microsoft Data Protection Manager
16 5 (1.40%) SCDPM
Vendors
1 163 (45.53%) VMware
2 161 (44.97%) Microsoft
3 68 (18.99%) Oracle
4 62 (17.32%) Cisco
5 34 (9.50%) HP
6 33 (9.22%) Citrix
7 30 (8.38%) Google
8 29 (8.10%) Red Hat
9 23 (6.42%) Veeam
10 21 (5.87%) Dell
11 19 (5.31%) Veritas
12 17 (4.75%) McAfee
13 15 (4.19%) Brocade
13 15 (4.19%) Symantec
14 10 (2.79%) 3PAR
14 10 (2.79%) NetApp
15 9 (2.51%) Avaya
15 9 (2.51%) Lumension
15 9 (2.51%) Meraki
15 9 (2.51%) Sybase