Period
to 8 August 2020

The table below looks at the prevalence of the term Clustering in permanent job vacancies. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 8 August 2020 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
8 Aug 2020
Same period 2019 Same period 2018
Rank 495 561 549
Rank change year-on-year +66 -12 -102
Permanent jobs citing Clustering 300 680 879
As % of all permanent jobs advertised in the UK 0.46% 0.48% 0.51%
As % of the Miscellaneous category 1.18% 1.22% 1.31%
Number of salaries quoted 258 543 722
Median annual salary £52,500 £55,000 £50,000
Median salary % change year-on-year -4.55% +10.00% -
10th Percentile £34,500 £38,800 £32,750
90th Percentile £70,750 £83,500 £78,750
UK excluding London median annual salary £50,000 £50,000 £43,500
% change year-on-year - +14.94% -3.33%

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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Permanent vacancies with a requirement for generic IT skills 25,462 55,599 66,874
As % of all permanent IT jobs advertised in the UK 39.16% 38.94% 39.15%
Number of salaries quoted 19,718 41,699 51,209
Median annual salary £55,000 £52,500 £50,500
Median salary % change year-on-year +4.76% +3.96% +1.00%
10th Percentile £31,451 £29,750 £28,500
90th Percentile £95,000 £87,500 £85,000
UK excluding London median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.88%

Clustering
Job Vacancy Trend

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

Job vacancy trend for Clustering in the UK

Clustering
Salary Trend

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

Salary trend for Clustering in the UK

Clustering
Salary Histogram

Salary distribution for jobs citing Clustering over the 6 months to 8 August 2020.

Salary histogram for Clustering in the UK

Clustering
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the UK over the 6 months to 8 August 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
England +68 282 £52,500 -4.55% 40
UK excluding London +155 214 £50,000 - 30
London +23 81 £60,000 -7.69% 12
North of England +152 73 £50,000 +5.26% 11
South East +153 69 £55,000 +10.00% 5
North West +125 42 £50,000 +13.64% 4
Midlands +62 33 £42,500 -10.53% 1
West Midlands +56 29 £45,000 -5.26%
Work from Home +57 21 £60,000 -9.43% 2
Yorkshire +97 20 £60,000 +9.09% 4
East of England +102 14 £65,000 +18.18% 2
South West +65 12 £50,000 - 8
North East +36 11 £36,500 +1.75% 3
Wales +34 11 £30,000 -25.00% 2
East Midlands +72 3 £37,750 -16.11% 1
Scotland +81 1 - - 1
Isle of Man - 1 £51,500 -

For the 6 months to 8 August 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 with a requirement for Clustering.

1 151 (50.33%) Windows
2 146 (48.67%) Microsoft
3 140 (46.67%) SQL Server
4 128 (42.67%) Active Directory
4 128 (42.67%) Azure
5 127 (42.33%) SQL
6 100 (33.33%) Windows Server
7 99 (33.00%) PowerShell
8 96 (32.00%) VMware
9 90 (30.00%) Hyper-V
10 84 (28.00%) High Availability
11 78 (26.00%) Linux
12 72 (24.00%) DHCP
12 72 (24.00%) Replication
13 70 (23.33%) ITIL
13 70 (23.33%) DNS
14 68 (22.67%) VMware Infrastructure
15 64 (21.33%) Office 365
15 64 (21.33%) Performance Tuning
16 62 (20.67%) Oracle
17 55 (18.33%) Infrastructure Engineering
18 53 (17.67%) Failover Clustering
19 45 (15.00%) Disaster Recovery
19 45 (15.00%) Windows Server 2012
20 44 (14.67%) Problem-Solving
21 43 (14.33%) Virtual Machines
22 42 (14.00%) Microsoft Clustering
23 40 (13.33%) Firewall
24 39 (13.00%) SAN
24 39 (13.00%) Data Centre

Clustering
Co-occurring IT Skills 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 32 (10.67%) IIS
2 29 (9.67%) MS Exchange
3 23 (7.67%) SharePoint
4 18 (6.00%) Skype for Business
5 16 (5.33%) Exchange Server 2010
6 10 (3.33%) Exchange Server 2013
7 8 (2.67%) Apache
8 7 (2.33%) Apache Airflow
8 7 (2.33%) WebLogic
9 6 (2.00%) Elasticsearch
9 6 (2.00%) Tomcat
10 5 (1.67%) WildFly
11 3 (1.00%) Confluence
12 2 (0.67%) Mule
12 2 (0.67%) Mule ESB
12 2 (0.67%) NetWeaver
13 1 (0.33%) Anypoint
13 1 (0.33%) Hyperledger
13 1 (0.33%) JBoss
13 1 (0.33%) Red Hat Fuse
Applications
1 14 (4.67%) Microsoft Office
2 3 (1.00%) Abaqus
3 1 (0.33%) MS Visio
Business Applications
1 5 (1.67%) PeopleSoft HCM
2 3 (1.00%) Oracle Applications
3 2 (0.67%) Oracle EBS
4 1 (0.33%) FLEXCUBE
4 1 (0.33%) Remedy ITSM
Cloud Services
1 128 (42.67%) Azure
2 64 (21.33%) Office 365
3 34 (11.33%) AWS
4 33 (11.00%) Azure Active Directory
5 25 (8.33%) IaaS
6 19 (6.33%) PaaS
7 15 (5.00%) Power Platform
8 11 (3.67%) Azure Data Factory
8 11 (3.67%) Azure Stack
9 10 (3.33%) GCP
10 8 (2.67%) Cloud Computing
10 8 (2.67%) SaaS
11 7 (2.33%) Stackdriver
11 7 (2.33%) Virtual Private Cloud
12 6 (2.00%) Mimecast
13 4 (1.33%) OneDrive
14 2 (0.67%) GitHub
14 2 (0.67%) Serverless
14 2 (0.67%) Trello
15 1 (0.33%) G Suite
Communications & Networking
1 72 (24.00%) DHCP
2 70 (23.33%) DNS
3 40 (13.33%) Firewall
4 39 (13.00%) SAN
5 35 (11.67%) TCP/IP
5 35 (11.67%) VPN
6 32 (10.67%) WAN
7 31 (10.33%) LAN
8 27 (9.00%) Remote Desktop
9 19 (6.33%) NetScaler
9 19 (6.33%) Skype
10 17 (5.67%) Internet
11 16 (5.33%) Network Security
12 13 (4.33%) VLAN
12 13 (4.33%) Wireless
13 10 (3.33%) IPsec
14 8 (2.67%) NAS
15 7 (2.33%) MPLS
16 6 (2.00%) DKIM
16 6 (2.00%) VoIP
Database & Business Intelligence
1 140 (46.67%) SQL Server
2 34 (11.33%) Oracle Database
3 32 (10.67%) PostgreSQL
4 24 (8.00%) Data Warehouse
5 22 (7.33%) SQL Server Reporting Services
6 20 (6.67%) Amazon RDS
6 20 (6.67%) SQL Server Integration Services
7 17 (5.67%) Azure SQL Database
8 16 (5.33%) SQL Server 2019
8 16 (5.33%) SQL Server Analysis Services
9 15 (5.00%) Power BI
10 12 (4.00%) MongoDB
11 11 (3.67%) Azure SQL Data Warehouse
12 10 (3.33%) Looker
12 10 (3.33%) Snowflake Schema
12 10 (3.33%) SQL Server 2014
13 9 (3.00%) Oracle Exadata
13 9 (3.00%) RDBMS
13 9 (3.00%) Relational Database
14 8 (2.67%) Oracle Database 11g
Development Applications
1 18 (6.00%) Git (software)
2 15 (5.00%) JIRA
3 13 (4.33%) Visual Studio
4 8 (2.67%) Bitbucket
5 5 (1.67%) Jenkins
6 3 (1.00%) Visual Studio Team System
7 2 (0.67%) Maven
7 2 (0.67%) PhpStorm
7 2 (0.67%) tSQLt
8 1 (0.33%) GitLab
8 1 (0.33%) Octopus Deploy
8 1 (0.33%) Oracle APEX
8 1 (0.33%) Oracle Forms
General
1 26 (8.67%) Finance
2 17 (5.67%) Law
3 14 (4.67%) Retail
4 11 (3.67%) Marketing
5 6 (2.00%) Back Office
5 6 (2.00%) Military
6 4 (1.33%) Banking
6 4 (1.33%) Public Sector
7 3 (1.00%) Manufacturing
8 2 (0.67%) Investment Banking
8 2 (0.67%) Local Government
9 1 (0.33%) Advertising
9 1 (0.33%) Financial Institution
9 1 (0.33%) Front Office
9 1 (0.33%) Games
9 1 (0.33%) Legal
Job Titles
1 86 (28.67%) DBA
2 58 (19.33%) SQL DBA
3 39 (13.00%) Administrator
4 37 (12.33%) Infrastructure Engineer
5 35 (11.67%) SQL Server DBA
6 25 (8.33%) IT Engineer
7 21 (7.00%) Azure Engineer
8 18 (6.00%) Architect
9 17 (5.67%) Consultant
10 16 (5.33%) Oracle DBA
11 15 (5.00%) Developer
11 15 (5.00%) Systems Engineer
12 14 (4.67%) Support Engineer
13 13 (4.33%) Analyst
13 13 (4.33%) DevOps Engineer
13 13 (4.33%) Systems Administrator
14 12 (4.00%) 3rd Line Engineer
14 12 (4.00%) Azure Infrastructure Engineer
14 12 (4.00%) SQL Developer
14 12 (4.00%) Technical Consultant
Libraries, Frameworks & Software Standards
1 14 (4.67%) Middleware
2 12 (4.00%) Web Services
3 9 (3.00%) Flash
4 7 (2.33%) RabbitMQ
5 5 (1.67%) Akka
5 5 (1.67%) LDAP
6 4 (1.33%) OpenJDK
7 3 (1.00%) COM
7 3 (1.00%) Oracle Fusion
7 3 (1.00%) PostGIS
7 3 (1.00%) SAML
8 2 (0.67%) HTML
8 2 (0.67%) SAP Basis
8 2 (0.67%) Spring
9 1 (0.33%) .NET
9 1 (0.33%) ActiveMQ
9 1 (0.33%) CSS
9 1 (0.33%) Hibernate
9 1 (0.33%) JSF
9 1 (0.33%) LAMP
Miscellaneous
1 72 (24.00%) Replication
2 39 (13.00%) Data Centre
3 24 (8.00%) Analytical Skills
4 13 (4.33%) Linux Command Line
5 10 (3.33%) Management Information System
6 9 (3.00%) Public Cloud
7 7 (2.33%) Cloud Native
7 7 (2.33%) PKI
8 6 (2.00%) Greenfield Project
9 4 (1.33%) Virtual Team
10 3 (1.00%) Blackberry
10 3 (1.00%) EMC VNX
10 3 (1.00%) HACMP
11 2 (0.67%) Driving Licence
11 2 (0.67%) Enterprise Software
11 2 (0.67%) Private Cloud
11 2 (0.67%) User Experience
12 1 (0.33%) IBM XIV
12 1 (0.33%) Self-Motivation
12 1 (0.33%) Social Media
Operating Systems
1 151 (50.33%) Windows
2 100 (33.33%) Windows Server
3 78 (26.00%) Linux
4 45 (15.00%) Windows Server 2012
5 32 (10.67%) Windows Server 2008
6 31 (10.33%) Windows Server 2016
7 27 (9.00%) Unix
8 25 (8.33%) Windows 10
9 22 (7.33%) Windows 7
10 19 (6.33%) Red Hat Enterprise Linux
11 15 (5.00%) SUSE
12 14 (4.67%) Windows Server 2019
13 13 (4.33%) Ubuntu
14 12 (4.00%) CentOS
15 10 (3.33%) Solaris
16 9 (3.00%) Oracle Linux
16 9 (3.00%) Windows 8
17 6 (2.00%) Windows Server 2003
18 3 (1.00%) AIX
19 2 (0.67%) Mac OS
Processes & Methodologies
1 84 (28.00%) High Availability
2 70 (23.33%) ITIL
3 64 (21.33%) Performance Tuning
4 55 (18.33%) Infrastructure Engineering
5 45 (15.00%) Disaster Recovery
6 44 (14.67%) Problem-Solving
7 38 (12.67%) DevOps
8 37 (12.33%) Migration
9 35 (11.67%) Business Intelligence
10 33 (11.00%) Change Management
11 30 (10.00%) Problem Management
12 26 (8.67%) Agile Software Development
13 24 (8.00%) Continuous Integration
14 23 (7.67%) Load Balancing
14 23 (7.67%) Patch Management
15 22 (7.33%) Analytics
16 21 (7.00%) Performance Monitoring
17 20 (6.67%) Incident Management
18 19 (6.33%) Software Engineering
19 18 (6.00%) Service Management
Programming Languages
1 127 (42.33%) SQL
2 99 (33.00%) PowerShell
3 31 (10.33%) Python
3 31 (10.33%) T-SQL
4 22 (7.33%) Bash Shell
5 15 (5.00%) C#
5 15 (5.00%) Shell Script
6 10 (3.33%) Ruby
7 7 (2.33%) Java
7 7 (2.33%) Perl
8 6 (2.00%) VBScript
9 5 (1.67%) JavaScript
10 4 (1.33%) PHP
10 4 (1.33%) PL/SQL
11 3 (1.00%) C
12 2 (0.67%) PHP 5
13 1 (0.33%) Java 8
Qualifications
1 34 (11.33%) Microsoft Certification
2 28 (9.33%) MCSE
3 24 (8.00%) Security Cleared
4 19 (6.33%) Degree
4 19 (6.33%) SC Cleared
5 18 (6.00%) VMware Certified Professional (VCP)
6 15 (5.00%) MCSA
7 14 (4.67%) Cisco Certification
7 14 (4.67%) DV Cleared
8 13 (4.33%) ITIL Certification
9 8 (2.67%) MCP
10 6 (2.00%) CCNP
10 6 (2.00%) MCITP
11 5 (1.67%) Computer Science Degree
12 2 (0.67%) CCDA
12 2 (0.67%) CCNA
12 2 (0.67%) CCVP
12 2 (0.67%) CISSP
13 1 (0.33%) Linux+ Certification
13 1 (0.33%) OCP
Quality Assurance & Compliance
1 26 (8.67%) SLA
2 12 (4.00%) ISO/IEC 27001
3 11 (3.67%) QA
4 10 (3.33%) PCI DSS
5 6 (2.00%) Data Quality
6 4 (1.33%) GDPR
6 4 (1.33%) ISO 9001
7 1 (0.33%) DICOM
7 1 (0.33%) HL7
7 1 (0.33%) MiFID
System Software
1 128 (42.67%) Active Directory
2 90 (30.00%) Hyper-V
3 68 (22.67%) VMware Infrastructure
4 43 (14.33%) Virtual Machines
5 28 (9.33%) vSphere
6 23 (7.67%) Docker
7 19 (6.33%) VMware ESXi
7 19 (6.33%) XenApp
8 14 (4.67%) Virtual Servers
9 9 (3.00%) Xen
10 6 (2.00%) Btrfs
10 6 (2.00%) Ceph
10 6 (2.00%) DRBD
10 6 (2.00%) KVM
10 6 (2.00%) Oracle RAC
10 6 (2.00%) Virtual Desktop
11 5 (1.67%) Apache ZooKeeper
11 5 (1.67%) XenDesktop
12 4 (1.33%) DFS Replication
12 4 (1.33%) VMware NSX
Systems Management
1 53 (17.67%) Failover Clustering
2 42 (14.00%) Microsoft Clustering
3 28 (9.33%) SCVMM
4 25 (8.33%) Ansible
4 25 (8.33%) SCCM
5 19 (6.33%) Kubernetes
6 15 (5.00%) SCOM
6 15 (5.00%) Single Sign-On
7 14 (4.67%) Opscode Chef
8 12 (4.00%) Terraform
9 11 (3.67%) Microsoft Intune
10 8 (2.67%) Backup Exec
10 8 (2.67%) WSUS
11 7 (2.33%) Puppet
12 6 (2.00%) Check_MK
12 6 (2.00%) Microsoft Data Protection Manager
12 6 (2.00%) Nagios
12 6 (2.00%) Oracle EDQ
12 6 (2.00%) Oracle Enterprise Manager
12 6 (2.00%) vCenter Server
Vendors
1 146 (48.67%) Microsoft
2 96 (32.00%) VMware
3 62 (20.67%) Oracle
4 37 (12.33%) Cisco
4 37 (12.33%) Citrix
5 34 (11.33%) Red Hat
6 31 (10.33%) Dell
7 27 (9.00%) Veeam
8 22 (7.33%) HP
9 14 (4.67%) Tableau
10 11 (3.67%) Databricks
10 11 (3.67%) Google
10 11 (3.67%) PlateSpin
10 11 (3.67%) Sun
10 11 (3.67%) VirtaMove
11 9 (3.00%) EMC
12 7 (2.33%) NetApp
12 7 (2.33%) PeopleSoft
12 7 (2.33%) Splunk
13 6 (2.00%) Meraki