Period
to 27 February 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 27 February 2021 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
27 Feb 2021
Same period 2020 Same period 2019
Rank 488 530 487
Rank change year-on-year +42 -43 -39
Permanent jobs citing Clustering 297 510 821
As % of all permanent jobs advertised in England 0.45% 0.45% 0.58%
As % of the Miscellaneous category 1.13% 1.16% 1.47%
Number of salaries quoted 300 428 757
Median annual salary £52,500 £52,500 £52,500
10th Percentile £33,500 £35,175 £36,000
90th Percentile £90,000 £74,125 £80,000
UK median annual salary £51,000 £52,500 £52,000
% change year-on-year -2.86% +0.96% +4.00%

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 26,238 44,088 55,798
As % of all permanent IT jobs advertised in England 39.36% 38.83% 39.74%
Number of salaries quoted 19,747 34,515 43,387
Median annual salary £57,500 £55,000 £52,500
Median salary % change year-on-year +4.55% +4.76% +5.00%
10th Percentile £32,500 £30,500 £29,775
90th Percentile £95,000 £95,000 £87,500
UK median annual salary £55,000 £55,000 £52,500
% change year-on-year - +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 27 February 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 27 February 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 +143 125 £67,500 +12.50% 33
North of England +54 68 £48,750 -1.48% 8
North West +60 47 £47,500 +11.76% 8
Midlands +65 42 £36,750 -18.33% 7
West Midlands +49 34 £35,000 -22.22% 5
South East +4 34 £46,250 -7.50% 18
South West +30 17 £45,000 -14.29% 6
Yorkshire +36 16 £60,000 +14.29%
East of England +50 11 £41,250 -8.33% 2
East Midlands +39 8 £50,000 +13.64% 2
North East +11 5 £47,500 +22.58%
Clustering
UK

For the 6 months to 27 February 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.

1 150 (50.51%) Windows
2 130 (43.77%) SQL
3 129 (43.43%) Azure
4 128 (43.10%) SQL Server
5 114 (38.38%) Microsoft
6 112 (37.71%) Active Directory
6 112 (37.71%) VMware
7 107 (36.03%) Windows Server
8 100 (33.67%) Performance Tuning
9 92 (30.98%) Linux
10 88 (29.63%) AWS
11 80 (26.94%) Replication
12 75 (25.25%) Oracle
13 72 (24.24%) PowerShell
14 70 (23.57%) Hyper-V
15 65 (21.89%) Microsoft 365
16 64 (21.55%) Microsoft Clustering
17 58 (19.53%) VMware Infrastructure
18 55 (18.52%) Failover Clustering
19 50 (16.84%) Firewall
20 49 (16.50%) Cisco
21 48 (16.16%) DNS
21 48 (16.16%) PostgreSQL
22 47 (15.82%) Disaster Recovery
23 44 (14.81%) MySQL
23 44 (14.81%) High Availability
24 41 (13.80%) T-SQL
24 41 (13.80%) MS Exchange
24 41 (13.80%) DHCP
25 39 (13.13%) VMware ESXi

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 41 (13.80%) MS Exchange
2 31 (10.44%) IIS
3 16 (5.39%) SharePoint
4 9 (3.03%) Exchange Server 2010
4 9 (3.03%) Skype for Business
5 7 (2.36%) Red Hat Fuse
6 6 (2.02%) Apache
6 6 (2.02%) Ethereum
6 6 (2.02%) OpenEdge
7 5 (1.68%) Exchange Server 2013
8 3 (1.01%) Confluence
8 3 (1.01%) Elasticsearch
8 3 (1.01%) JBoss
8 3 (1.01%) Oracle SOA Suite
8 3 (1.01%) WebLogic
9 2 (0.67%) SharePoint 2010
10 1 (0.34%) Adobe Experience Manager
10 1 (0.34%) BizTalk Server
10 1 (0.34%) CMS
10 1 (0.34%) SharePoint 2013
Applications
1 14 (4.71%) Microsoft Office
2 1 (0.34%) Microsoft Excel
2 1 (0.34%) Microsoft PowerPoint
Business Applications
1 6 (2.02%) Quorum
2 3 (1.01%) Oracle Applications
3 1 (0.34%) Dynamics AX
3 1 (0.34%) Dynamics CRM
3 1 (0.34%) Remedy ITSM
Cloud Services
1 129 (43.43%) Azure
2 88 (29.63%) AWS
3 65 (21.89%) Microsoft 365
4 26 (8.75%) Azure Active Directory
5 22 (7.41%) GCP
5 22 (7.41%) Power Platform
6 18 (6.06%) IaaS
7 16 (5.39%) SaaS
7 16 (5.39%) Trello
8 14 (4.71%) PaaS
9 7 (2.36%) Mimecast
10 3 (1.01%) Amazon ECS
10 3 (1.01%) Amazon ElastiCache
10 3 (1.01%) Amazon Kinesis
10 3 (1.01%) Amazon S3
10 3 (1.01%) AWS CloudFormation
11 1 (0.34%) Amazon EC2
11 1 (0.34%) Cloud Computing
11 1 (0.34%) Dynamics 365
11 1 (0.34%) G Suite
Communications & Networking
1 50 (16.84%) Firewall
2 48 (16.16%) DNS
3 41 (13.80%) DHCP
4 28 (9.43%) SAN
5 27 (9.09%) TCP/IP
6 25 (8.42%) WAN
7 23 (7.74%) LAN
8 21 (7.07%) VLAN
9 20 (6.73%) Remote Desktop
10 19 (6.40%) VPN
11 17 (5.72%) iSCSI
11 17 (5.72%) MPLS
12 13 (4.38%) VoIP
13 12 (4.04%) Skype
14 11 (3.70%) Internet
15 10 (3.37%) Wireless
16 7 (2.36%) Kerberos
17 6 (2.02%) BGP
17 6 (2.02%) Fibre Channel
17 6 (2.02%) NAS
Database & Business Intelligence
1 128 (43.10%) SQL Server
2 48 (16.16%) PostgreSQL
3 44 (14.81%) MySQL
4 35 (11.78%) SQL Server Integration Services
5 33 (11.11%) SQL Server Reporting Services
6 25 (8.42%) SQL Server 2016
7 24 (8.08%) Data Warehouse
8 22 (7.41%) MariaDB
9 21 (7.07%) Oracle Database
9 21 (7.07%) Power BI
9 21 (7.07%) SQL Server Analysis Services
10 20 (6.73%) Relational Database
10 20 (6.73%) SQL Server 2019
11 19 (6.40%) Looker
11 19 (6.40%) Snowflake Schema
12 17 (5.72%) SQL Server 2014
13 16 (5.39%) Oracle Database 12c
14 14 (4.71%) RDBMS
14 14 (4.71%) SQL Server 2008
15 13 (4.38%) SQL Server 2012
Development Applications
1 32 (10.77%) JIRA
2 13 (4.38%) Jenkins
3 3 (1.01%) Git (software)
4 2 (0.67%) Gradle
4 2 (0.67%) JUnit
4 2 (0.67%) Visual Studio
5 1 (0.34%) GitLab
5 1 (0.34%) Maven
5 1 (0.34%) SQL Server Management Studio (SSMS)
General
1 20 (6.73%) Finance
2 17 (5.72%) Law
3 12 (4.04%) Public Sector
4 7 (2.36%) Banking
5 6 (2.02%) Retail
6 5 (1.68%) Marketing
7 4 (1.35%) Automotive
8 3 (1.01%) Investment Banking
8 3 (1.01%) Military
8 3 (1.01%) Publishing
9 2 (0.67%) Legal
10 1 (0.34%) Aerospace
10 1 (0.34%) Financial Institution
10 1 (0.34%) Local Government
10 1 (0.34%) Police
Job Titles
1 95 (31.99%) DBA
2 58 (19.53%) SQL DBA
3 35 (11.78%) Infrastructure Engineer
4 33 (11.11%) Administrator
5 26 (8.75%) MySQL DBA
6 23 (7.74%) SQL Server DBA
7 21 (7.07%) IT Engineer
8 19 (6.40%) Azure Engineer
8 19 (6.40%) Developer
8 19 (6.40%) VMware Engineer
9 17 (5.72%) 3rd Line Engineer
9 17 (5.72%) Support Engineer
10 16 (5.39%) Architect
11 15 (5.05%) Analyst
11 15 (5.05%) Linux Engineer
12 14 (4.71%) Windows Engineer
13 13 (4.38%) 3rd Line Support
13 13 (4.38%) Consultant
14 11 (3.70%) Data Warehouse Developer
15 10 (3.37%) Oracle DBA
Libraries, Frameworks & Software Standards
1 18 (6.06%) Web Services
2 16 (5.39%) Middleware
3 10 (3.37%) REST
4 9 (3.03%) Spring
5 7 (2.36%) HTML
6 6 (2.02%) AngularJS
7 5 (1.68%) .NET
7 5 (1.68%) 802.1X
7 5 (1.68%) Ajax
7 5 (1.68%) Hibernate
7 5 (1.68%) HTML5
7 5 (1.68%) OSGi
8 4 (1.35%) Apache Camel
8 4 (1.35%) GWT
8 4 (1.35%) JDBC
8 4 (1.35%) JMS
8 4 (1.35%) jQuery
8 4 (1.35%) JSF
8 4 (1.35%) POSIX
8 4 (1.35%) Spring Boot
Miscellaneous
1 80 (26.94%) Replication
2 33 (11.11%) Analytical Skills
3 18 (6.06%) Data Centre
4 13 (4.38%) Management Information System
5 12 (4.04%) Greenfield Project
6 8 (2.69%) Social Media
6 8 (2.69%) Video Conferencing
7 7 (2.36%) Enterprise Software
8 6 (2.02%) Virtual Team
9 4 (1.35%) Hybrid Cloud
9 4 (1.35%) Linux Command Line
10 3 (1.01%) Client/Server
10 3 (1.01%) Driving Licence
10 3 (1.01%) Fat Client
10 3 (1.01%) FMCG
10 3 (1.01%) Public Cloud
10 3 (1.01%) Smartphone
10 3 (1.01%) Thin Client
11 2 (0.67%) PKI
11 2 (0.67%) Renewable Energy
Operating Systems
1 150 (50.51%) Windows
2 107 (36.03%) Windows Server
3 92 (30.98%) Linux
4 25 (8.42%) Windows Server 2008
5 22 (7.41%) Windows Server 2012
6 20 (6.73%) Windows Server 2016
7 18 (6.06%) Windows 10
8 13 (4.38%) Red Hat Enterprise Linux
8 13 (4.38%) Ubuntu
9 12 (4.04%) Mac OS
9 12 (4.04%) Unix
10 10 (3.37%) Windows Server 2019
11 8 (2.69%) Windows 7
12 7 (2.36%) CentOS
13 6 (2.02%) Solaris
14 5 (1.68%) Debian
15 3 (1.01%) Fedora
15 3 (1.01%) Oracle Linux
15 3 (1.01%) SUSE
15 3 (1.01%) Windows Server 2003
Processes & Methodologies
1 100 (33.67%) Performance Tuning
2 47 (15.82%) Disaster Recovery
3 44 (14.81%) High Availability
4 38 (12.79%) Infrastructure Engineering
5 35 (11.78%) Business Intelligence
6 34 (11.45%) Agile Software Development
6 34 (11.45%) Problem-Solving
7 27 (9.09%) Migration
8 25 (8.42%) ETL
8 25 (8.42%) ITIL
9 22 (7.41%) Data Science
9 22 (7.41%) DevOps
10 19 (6.40%) Data Architecture
11 17 (5.72%) Mentoring
12 16 (5.39%) Actionable Insight
12 16 (5.39%) Data Ingestion
12 16 (5.39%) Sprint Planning
13 14 (4.71%) Analytics
13 14 (4.71%) Fintech
13 14 (4.71%) Service Management
Programming Languages
1 130 (43.77%) SQL
2 72 (24.24%) PowerShell
3 41 (13.80%) T-SQL
4 30 (10.10%) Bash Shell
5 23 (7.74%) PL/SQL
6 21 (7.07%) Python
7 19 (6.40%) C
7 19 (6.40%) Shell Script
8 16 (5.39%) Java
8 16 (5.39%) Perl
9 8 (2.69%) JavaScript
9 8 (2.69%) Ruby
10 6 (2.02%) C#
10 6 (2.02%) VBScript
11 3 (1.01%) Java 8
12 2 (0.67%) C++
12 2 (0.67%) Kotlin
12 2 (0.67%) Scala
13 1 (0.34%) VB
Qualifications
1 27 (9.09%) Security Cleared
2 25 (8.42%) SC Cleared
3 23 (7.74%) Microsoft Certification
4 14 (4.71%) VMware Certified Professional (VCP)
5 13 (4.38%) MCSA
5 13 (4.38%) MCSE
6 12 (4.04%) CCNA
6 12 (4.04%) Cisco Certification
7 8 (2.69%) ITIL Certification
8 4 (1.35%) Degree
9 3 (1.01%) AWS Certification
9 3 (1.01%) CCNP
10 2 (0.67%) Computer Science Degree
10 2 (0.67%) Master's Degree
10 2 (0.67%) MCDBA
10 2 (0.67%) MCITP
11 1 (0.34%) A+ Certification
11 1 (0.34%) CISM
11 1 (0.34%) CISSP
11 1 (0.34%) Network+ Certification
Quality Assurance & Compliance
1 24 (8.08%) SLA
2 12 (4.04%) GDPR
3 8 (2.69%) ISO/IEC 27001
4 7 (2.36%) QA
5 4 (1.35%) Cyber Essentials
5 4 (1.35%) Cyber Essentials PLUS
6 3 (1.01%) ISO 9001
System Software
1 112 (37.71%) Active Directory
2 70 (23.57%) Hyper-V
3 58 (19.53%) VMware Infrastructure
4 39 (13.13%) VMware ESXi
5 23 (7.74%) vSphere
6 17 (5.72%) Oracle RAC
7 11 (3.70%) XenApp
8 9 (3.03%) KVM
8 9 (3.03%) Virtual Machines
9 8 (2.69%) Btrfs
9 8 (2.69%) Ceph
9 8 (2.69%) DRBD
9 8 (2.69%) Xen
10 7 (2.36%) Docker
11 6 (2.02%) Firmware
12 4 (1.35%) vCloud
12 4 (1.35%) Virtual Servers
13 3 (1.01%) Samba
13 3 (1.01%) Veritas Volume Manager
14 2 (0.67%) Terminal Server
Systems Management
1 64 (21.55%) Microsoft Clustering
2 55 (18.52%) Failover Clustering
3 36 (12.12%) SCCM
4 16 (5.39%) Oracle RMAN
5 15 (5.05%) Microsoft Intune
6 14 (4.71%) vCenter Server
7 9 (3.03%) Ansible
8 8 (2.69%) Kubernetes
8 8 (2.69%) Oracle ZFS
9 6 (2.02%) SCOM
9 6 (2.02%) Terraform
10 5 (1.68%) Microsoft Data Protection Manager
10 5 (1.68%) SCDPM
11 4 (1.35%) Data Guard
11 4 (1.35%) McAfee ePO
11 4 (1.35%) NetBackup
12 3 (1.01%) Jamf Pro
12 3 (1.01%) WSUS
13 2 (0.67%) Check_MK
13 2 (0.67%) HP Data Protector
Vendors
1 114 (38.38%) Microsoft
2 112 (37.71%) VMware
3 75 (25.25%) Oracle
4 49 (16.50%) Cisco
5 32 (10.77%) Google
6 28 (9.43%) HP
7 27 (9.09%) Citrix
8 21 (7.07%) Red Hat
9 18 (6.06%) Veeam
10 14 (4.71%) Dell
11 11 (3.70%) McAfee
12 10 (3.37%) Sophos
13 8 (2.69%) Avaya
14 6 (2.02%) Brocade
14 6 (2.02%) Symantec
15 5 (1.68%) Mitel
15 5 (1.68%) Veritas
16 4 (1.35%) 3PAR
16 4 (1.35%) Aruba
16 4 (1.35%) Meraki