Period
to 3 June 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 3 June 2020 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
3 Jun 2020
Same period 2019 Same period 2018
Rank 537 515 494
Rank change year-on-year -22 -21 -54
Permanent jobs citing Clustering 357 759 999
As % of all permanent jobs advertised in the UK 0.41% 0.53% 0.58%
As % of the Miscellaneous category 1.05% 1.36% 1.50%
Number of salaries quoted 294 640 830
Median annual salary £52,500 £54,000 £50,000
Median salary % change year-on-year -2.78% +8.00% +0.37%
10th Percentile £35,000 £37,500 £32,725
90th Percentile £71,750 £80,125 £78,750
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% +2.27%

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 34,056 55,795 66,755
As % of all permanent IT jobs advertised in the UK 38.89% 39.12% 38.81%
Number of salaries quoted 26,221 41,585 51,415
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £31,250 £29,000 £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 3 June 2020.

Salary histogram for Clustering in the UK

Clustering
Top 18 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 3 June 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 -28 335 £52,500 -4.55% 23
UK excluding London +78 258 £50,000 +5.26% 15
South East +128 109 £55,000 +4.76% 2
London -88 92 £60,000 -4.00% 8
North of England +91 66 £50,000 +13.64% 3
North West +76 39 £50,000 +17.65% 3
Midlands +30 33 £45,000 - 8
West Midlands +28 29 £45,000 -4.26% 7
Work from Home +37 24 £60,000 -9.77% 1
East of England +82 21 £55,000 -1.79%
Yorkshire +87 15 £57,500 +4.55%
South West +31 15 £50,000 - 2
North East +20 12 £37,000 -7.50%
Wales 0 11 £37,500 -6.25%
East Midlands +45 3 £33,000 -26.67% 1
Scotland +48 1 - -
Northern Ireland - 1 £50,000 -
Isle of Man - 1 £51,500 -

For the 6 months to 3 June 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.

1 198 (55.46%) Windows
2 181 (50.70%) Microsoft
3 168 (47.06%) Active Directory
4 165 (46.22%) Azure
5 148 (41.46%) SQL Server
6 140 (39.22%) SQL
7 137 (38.38%) PowerShell
8 123 (34.45%) Windows Server
9 122 (34.17%) VMware
10 110 (30.81%) Hyper-V
11 97 (27.17%) High Availability
12 93 (26.05%) DNS
13 91 (25.49%) Linux
14 90 (25.21%) VMware Infrastructure
15 89 (24.93%) DHCP
16 82 (22.97%) ITIL
17 79 (22.13%) Office 365
18 71 (19.89%) Infrastructure Engineering
19 67 (18.77%) Replication
19 67 (18.77%) Oracle
20 63 (17.65%) SAN
21 62 (17.37%) Firewall
21 62 (17.37%) AWS
22 54 (15.13%) Microsoft Clustering
23 52 (14.57%) Data Centre
24 51 (14.29%) Python
25 50 (14.01%) Cisco
25 50 (14.01%) DevOps
26 49 (13.73%) Virtual Machines
26 49 (13.73%) Disaster Recovery

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 42 (11.76%) MS Exchange
2 39 (10.92%) IIS
3 21 (5.88%) SharePoint
4 13 (3.64%) Exchange Server 2010
4 13 (3.64%) Tomcat
5 12 (3.36%) Skype for Business
6 10 (2.80%) Exchange Server 2013
7 9 (2.52%) WildFly
8 7 (1.96%) Apache Airflow
9 6 (1.68%) Apache
9 6 (1.68%) Elasticsearch
9 6 (1.68%) WebLogic
10 4 (1.12%) JBoss
11 3 (0.84%) Anypoint
11 3 (0.84%) Confluence
12 2 (0.56%) Liferay
12 2 (0.56%) Mule
12 2 (0.56%) Mule ESB
12 2 (0.56%) NetWeaver
12 2 (0.56%) Oracle SOA Suite
Applications
1 11 (3.08%) Microsoft Office
2 3 (0.84%) Abaqus
3 2 (0.56%) MS Visio
4 1 (0.28%) Microsoft Excel
4 1 (0.28%) Microsoft PowerPoint
4 1 (0.28%) Microsoft Project
Business Applications
1 6 (1.68%) Oracle Applications
2 5 (1.40%) PeopleSoft HCM
3 2 (0.56%) Oracle EBS
3 2 (0.56%) Relativity
3 2 (0.56%) Remedy ITSM
4 1 (0.28%) FLEXCUBE
Cloud Services
1 165 (46.22%) Azure
2 79 (22.13%) Office 365
3 62 (17.37%) AWS
4 36 (10.08%) Azure Active Directory
5 34 (9.52%) IaaS
6 28 (7.84%) PaaS
7 22 (6.16%) SaaS
8 20 (5.60%) Cloud Computing
9 18 (5.04%) Power Platform
10 15 (4.20%) GCP
11 11 (3.08%) Azure Data Factory
11 11 (3.08%) Azure Stack
12 7 (1.96%) Stackdriver
12 7 (1.96%) Virtual Private Cloud
13 6 (1.68%) Mimecast
14 4 (1.12%) OneDrive
15 2 (0.56%) AWS CloudFormation
15 2 (0.56%) GitHub
15 2 (0.56%) Serverless
15 2 (0.56%) Trello
Communications & Networking
1 93 (26.05%) DNS
2 89 (24.93%) DHCP
3 63 (17.65%) SAN
4 62 (17.37%) Firewall
5 46 (12.89%) TCP/IP
6 38 (10.64%) VPN
7 35 (9.80%) WAN
8 33 (9.24%) LAN
9 32 (8.96%) Remote Desktop
10 21 (5.88%) NAS
11 19 (5.32%) NetScaler
12 18 (5.04%) VLAN
13 17 (4.76%) Network Security
14 15 (4.20%) Fibre Channel
14 15 (4.20%) Internet
15 14 (3.92%) Wireless
16 13 (3.64%) Skype
17 12 (3.36%) HTTP
18 11 (3.08%) SNMP
18 11 (3.08%) VoIP
Database & Business Intelligence
1 148 (41.46%) SQL Server
2 34 (9.52%) Oracle Database
3 33 (9.24%) SQL Server Reporting Services
4 30 (8.40%) Data Warehouse
5 28 (7.84%) SQL Server Integration Services
6 21 (5.88%) SQL Server Analysis Services
7 19 (5.32%) Azure SQL Database
8 18 (5.04%) MySQL
8 18 (5.04%) Power BI
9 14 (3.92%) Amazon RDS
9 14 (3.92%) PostgreSQL
10 12 (3.36%) MongoDB
11 11 (3.08%) Azure SQL Data Warehouse
12 10 (2.80%) Looker
12 10 (2.80%) Snowflake Schema
12 10 (2.80%) SQL Server 2008
13 9 (2.52%) Data Lake
13 9 (2.52%) SQL Server 2012
14 8 (2.24%) Cosmos DB
14 8 (2.24%) SQL Server 2014
Development Applications
1 23 (6.44%) Git (software)
2 18 (5.04%) JIRA
3 13 (3.64%) Visual Studio
4 9 (2.52%) Bitbucket
5 5 (1.40%) Jenkins
6 4 (1.12%) Subversion
6 4 (1.12%) tSQLt
7 3 (0.84%) Maven
8 2 (0.56%) Ant
8 2 (0.56%) Eclipse
8 2 (0.56%) PhpStorm
8 2 (0.56%) SQL Server Management Studio (SSMS)
9 1 (0.28%) Atlassian Bamboo
9 1 (0.28%) GitLab
9 1 (0.28%) Hudson
9 1 (0.28%) Octopus Deploy
9 1 (0.28%) Oracle APEX
9 1 (0.28%) Oracle Forms
9 1 (0.28%) Postman
9 1 (0.28%) Team Foundation Server
General
1 21 (5.88%) Finance
2 20 (5.60%) Retail
3 14 (3.92%) Marketing
4 8 (2.24%) Games
4 8 (2.24%) Law
4 8 (2.24%) Manufacturing
5 7 (1.96%) Telecoms
6 6 (1.68%) Back Office
6 6 (1.68%) Military
7 5 (1.40%) Legal
8 4 (1.12%) Automotive
9 3 (0.84%) Advertising
9 3 (0.84%) Public Sector
10 2 (0.56%) Electronics
10 2 (0.56%) Financial Institution
10 2 (0.56%) Local Government
10 2 (0.56%) Publishing
11 1 (0.28%) Banking
11 1 (0.28%) Police
Job Titles
1 82 (22.97%) DBA
2 58 (16.25%) Administrator
3 54 (15.13%) SQL DBA
4 52 (14.57%) Infrastructure Engineer
5 33 (9.24%) IT Engineer
6 28 (7.84%) SQL Server DBA
6 28 (7.84%) Systems Administrator
7 24 (6.72%) Architect
8 22 (6.16%) Systems Engineer
9 21 (5.88%) Azure Engineer
10 20 (5.60%) Consultant
11 19 (5.32%) 3rd Line Engineer
12 18 (5.04%) Developer
13 16 (4.48%) Analyst
14 14 (3.92%) Oracle DBA
14 14 (3.92%) SQL Developer
14 14 (3.92%) Technical Consultant
15 13 (3.64%) DevOps Engineer
15 13 (3.64%) Support Engineer
16 12 (3.36%) DevOps Administrator
Libraries, Frameworks & Software Standards
1 16 (4.48%) Web Services
2 12 (3.36%) Middleware
2 12 (3.36%) RabbitMQ
3 9 (2.52%) Akka
4 8 (2.24%) OpenJDK
4 8 (2.24%) SAML
5 6 (1.68%) Flash
5 6 (1.68%) LDAP
6 4 (1.12%) LAMP
6 4 (1.12%) Spring
7 3 (0.84%) 802.1X
7 3 (0.84%) CSS
7 3 (0.84%) HTML
7 3 (0.84%) Oracle Fusion
8 2 (0.56%) JDBC
8 2 (0.56%) JSP
8 2 (0.56%) Servlets
8 2 (0.56%) Spring Boot
8 2 (0.56%) TensorFlow
8 2 (0.56%) WebSphere MQ
Miscellaneous
1 67 (18.77%) Replication
2 52 (14.57%) Data Centre
3 30 (8.40%) Analytical Skills
4 15 (4.20%) Linux Command Line
5 12 (3.36%) Public Cloud
6 11 (3.08%) Self-Motivation
7 10 (2.80%) Enterprise Software
7 10 (2.80%) Private Cloud
8 9 (2.52%) Management Information System
8 9 (2.52%) PKI
9 8 (2.24%) Cloud Native
10 7 (1.96%) Hybrid Cloud
11 4 (1.12%) EMC VNX
11 4 (1.12%) Social Network
12 3 (0.84%) Blackberry
12 3 (0.84%) EMC VNXe
12 3 (0.84%) Enterprise Storage
12 3 (0.84%) HACMP
13 2 (0.56%) FMCG
13 2 (0.56%) User Experience
Operating Systems
1 198 (55.46%) Windows
2 123 (34.45%) Windows Server
3 91 (25.49%) Linux
4 38 (10.64%) Windows Server 2012
5 33 (9.24%) Unix
6 31 (8.68%) Windows Server 2008
7 27 (7.56%) Windows Server 2016
8 23 (6.44%) Windows 7
9 21 (5.88%) Windows 10
10 20 (5.60%) SUSE
11 19 (5.32%) Red Hat Enterprise Linux
12 16 (4.48%) Ubuntu
13 14 (3.92%) CentOS
14 13 (3.64%) Solaris
15 12 (3.36%) Windows 8
16 9 (2.52%) Windows Server 2019
17 7 (1.96%) Oracle Linux
17 7 (1.96%) Windows Server 2003
18 3 (0.84%) AIX
18 3 (0.84%) SUSE Linux Enterprise Server
Processes & Methodologies
1 97 (27.17%) High Availability
2 82 (22.97%) ITIL
3 71 (19.89%) Infrastructure Engineering
4 50 (14.01%) DevOps
5 49 (13.73%) Disaster Recovery
6 47 (13.17%) Problem Management
7 43 (12.04%) Performance Tuning
8 41 (11.48%) Migration
9 39 (10.92%) Change Management
10 37 (10.36%) Business Intelligence
11 35 (9.80%) Agile Software Development
12 34 (9.52%) Load Balancing
13 33 (9.24%) Analytics
13 33 (9.24%) Performance Monitoring
14 31 (8.68%) Problem-Solving
15 26 (7.28%) Incident Management
16 25 (7.00%) Information Security
17 23 (6.44%) Continuous Integration
18 21 (5.88%) Service Management
19 18 (5.04%) Data Science
Programming Languages
1 140 (39.22%) SQL
2 137 (38.38%) PowerShell
3 51 (14.29%) Python
4 31 (8.68%) T-SQL
5 29 (8.12%) Bash Shell
6 17 (4.76%) Ruby
7 16 (4.48%) Java
8 15 (4.20%) C#
8 15 (4.20%) Shell Script
9 14 (3.92%) VBScript
10 7 (1.96%) JavaScript
11 6 (1.68%) Perl
12 4 (1.12%) C
12 4 (1.12%) PHP
13 3 (0.84%) R
14 2 (0.56%) PHP 5
14 2 (0.56%) PL/SQL
14 2 (0.56%) VBA
15 1 (0.28%) ABAP
15 1 (0.28%) MATLAB
Qualifications
1 46 (12.89%) Microsoft Certification
2 37 (10.36%) MCSE
3 31 (8.68%) Security Cleared
4 28 (7.84%) Degree
5 24 (6.72%) SC Cleared
6 21 (5.88%) MCSA
7 19 (5.32%) VMware Certified Professional (VCP)
8 17 (4.76%) Cisco Certification
9 15 (4.20%) DV Cleared
10 12 (3.36%) ITIL Certification
11 11 (3.08%) MCP
12 9 (2.52%) Computer Science Degree
13 7 (1.96%) CCNP
14 6 (1.68%) MCITP
15 5 (1.40%) CCNA
16 3 (0.84%) CISSP
17 2 (0.56%) CCDA
17 2 (0.56%) CCVP
17 2 (0.56%) Master's Degree
18 1 (0.28%) MCSD
Quality Assurance & Compliance
1 39 (10.92%) SLA
2 24 (6.72%) ISO/IEC 27001
3 12 (3.36%) ISO 9001
4 11 (3.08%) PCI DSS
5 7 (1.96%) Data Quality
5 7 (1.96%) QA
6 4 (1.12%) Cyber Essentials
6 4 (1.12%) GDPR
System Software
1 168 (47.06%) Active Directory
2 110 (30.81%) Hyper-V
3 90 (25.21%) VMware Infrastructure
4 49 (13.73%) Virtual Machines
5 32 (8.96%) VMware ESXi
6 31 (8.68%) vSphere
7 28 (7.84%) Docker
8 25 (7.00%) XenApp
9 18 (5.04%) Virtual Servers
10 11 (3.08%) Firmware
10 11 (3.08%) Xen
11 9 (2.52%) Apache ZooKeeper
11 9 (2.52%) Virtual Desktop
11 9 (2.52%) XenDesktop
12 7 (1.96%) VMware NSX
13 6 (1.68%) vCloud
14 5 (1.40%) Btrfs
14 5 (1.40%) Ceph
14 5 (1.40%) DRBD
14 5 (1.40%) KVM
Systems Management
1 54 (15.13%) Microsoft Clustering
2 45 (12.61%) Failover Clustering
3 43 (12.04%) SCCM
4 26 (7.28%) Ansible
5 24 (6.72%) WSUS
6 21 (5.88%) SCVMM
7 20 (5.60%) Kubernetes
8 18 (5.04%) SCOM
9 17 (4.76%) Single Sign-On
10 14 (3.92%) Opscode Chef
11 12 (3.36%) Microsoft Intune
11 12 (3.36%) Terraform
11 12 (3.36%) vCenter Server
12 9 (2.52%) Backup Exec
12 9 (2.52%) Puppet
13 8 (2.24%) Nagios
13 8 (2.24%) XenMobile
14 6 (1.68%) Oracle EDQ
15 5 (1.40%) Check_MK
16 4 (1.12%) Oracle ZFS
Vendors
1 181 (50.70%) Microsoft
2 122 (34.17%) VMware
3 67 (18.77%) Oracle
4 50 (14.01%) Cisco
5 47 (13.17%) Citrix
6 40 (11.20%) Dell
7 38 (10.64%) Red Hat
8 32 (8.96%) HP
9 24 (6.72%) Veeam
10 17 (4.76%) EMC
11 16 (4.48%) Tableau
12 15 (4.20%) Google
13 14 (3.92%) Sun
14 11 (3.08%) Databricks
14 11 (3.08%) PlateSpin
14 11 (3.08%) VirtaMove
15 10 (2.80%) Brocade
16 9 (2.52%) NetApp
17 7 (1.96%) PeopleSoft
17 7 (1.96%) Splunk