Period
to 21 January 2022

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 21 January 2022 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
21 Jan 2022
Same period 2021 Same period 2020
Rank 652 487 569
Rank change year-on-year -165 +82 -62
Permanent jobs citing Clustering 461 304 556
As % of all permanent jobs advertised in the UK 0.36% 0.48% 0.44%
As % of the Miscellaneous category 0.88% 1.36% 1.26%
Number of salaries quoted 396 257 423
10th Percentile £37,500 £32,750 £35,050
25th Percentile £45,000 £42,500 £37,500
Median annual salary (50th Percentile) £53,725 £50,000 £50,000
Median % change year-on-year +7.45% - -
75th Percentile £70,000 £62,500 £62,500
90th Percentile £90,000 £80,000 £75,750
UK excluding London median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +3.45%

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 52,295 22,374 44,255
As % of all permanent IT jobs advertised in the UK 40.69% 35.42% 35.03%
Number of salaries quoted 30,613 17,640 34,506
10th Percentile £32,500 £32,613 £30,500
25th Percentile £45,000 £42,500 £38,750
Median annual salary (50th Percentile) £60,000 £57,500 £55,000
Median % change year-on-year +4.35% +4.55% +4.76%
75th Percentile £82,500 £76,250 £75,000
90th Percentile £101,750 £95,000 £95,000
UK excluding London median annual salary £50,000 £49,000 £46,500
% change year-on-year +2.04% +5.38% +3.33%

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 21 January 2022.

Salary histogram for Clustering in the UK

Clustering
Top 16 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 21 January 2022. 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
Jobs
England -140 414 £53,350 +4.61% 82
UK excluding London -157 225 £47,500 +5.56% 48
London -150 199 £62,500 - 36
Work from Home -164 78 £55,000 -4.35% 14
Midlands -68 65 £40,000 +14.29% 12
West Midlands -43 56 £40,000 +15.94% 6
North of England -145 56 £53,350 +6.70% 16
North West -71 50 £53,350 +6.70% 13
South East -104 42 £50,000 +11.11% 8
South West -32 34 £51,500 +14.44% 5
Scotland -62 14 £36,250 -14.71% 2
East Midlands -53 9 £47,500 +5.56% 6
East of England -88 9 £42,500 +13.33% 6
Wales -50 5 £82,500 +94.12%
Yorkshire -97 4 £50,000 -16.67% 3
North East -36 2 £62,500 +25.00%

For the 6 months to 21 January 2022, 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.

1 248 (53.80%) SQL
1 248 (53.80%) Azure
2 240 (52.06%) Microsoft
3 213 (46.20%) SQL Server
4 212 (45.99%) Windows
5 201 (43.60%) VMware
6 184 (39.91%) Active Directory
7 170 (36.88%) AWS
8 168 (36.44%) PowerShell
9 162 (35.14%) Windows Server
10 160 (34.71%) Linux
11 110 (23.86%) Microsoft 365
12 107 (23.21%) High Availability
13 102 (22.13%) Performance Tuning
14 100 (21.69%) VMware Infrastructure
15 95 (20.61%) Finance
16 90 (19.52%) Infrastructure Engineering
17 88 (19.09%) ITIL
18 87 (18.87%) Social Skills
19 77 (16.70%) IIS
19 77 (16.70%) Disaster Recovery
20 75 (16.27%) Red Hat
21 74 (16.05%) SCCM
21 74 (16.05%) DevOps
21 74 (16.05%) Microsoft Clustering
22 70 (15.18%) Business Intelligence
23 69 (14.97%) DNS
23 69 (14.97%) Load Balancing
24 67 (14.53%) Python
25 65 (14.10%) Red Hat Enterprise Linux

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 77 (16.70%) IIS
2 57 (12.36%) MS Exchange
3 20 (4.34%) Apache
4 16 (3.47%) nginx
4 16 (3.47%) Tomcat
5 14 (3.04%) SharePoint
5 14 (3.04%) WebLogic
6 13 (2.82%) Traefik
7 7 (1.52%) Exchange Server 2013
8 6 (1.30%) Apache Airflow
8 6 (1.30%) Confluence
9 5 (1.08%) Adobe Experience Manager
9 5 (1.08%) Apache Spark
9 5 (1.08%) JBoss
10 4 (0.87%) Luigi
11 3 (0.65%) Jupyter
11 3 (0.65%) SharePoint 2013
11 3 (0.65%) SharePoint Server
12 2 (0.43%) Elasticsearch
12 2 (0.43%) SharePoint 2010
Applications
1 16 (3.47%) Microsoft Office
2 5 (1.08%) Microsoft Excel
Business Applications
1 8 (1.74%) Dynamics CRM
2 4 (0.87%) Sentinel
3 1 (0.22%) Dynamics AX
3 1 (0.22%) NetSuite
Cloud Services
1 248 (53.80%) Azure
2 170 (36.88%) AWS
3 110 (23.86%) Microsoft 365
4 61 (13.23%) Azure Active Directory
5 59 (12.80%) IaaS
6 54 (11.71%) GCP
7 49 (10.63%) PaaS
8 35 (7.59%) Power Platform
9 27 (5.86%) SaaS
10 26 (5.64%) Azure Stack
10 26 (5.64%) GitHub
11 22 (4.77%) AWS CloudFormation
12 21 (4.56%) Amazon EKS
13 13 (2.82%) Amazon SQS
13 13 (2.82%) Virtual Private Cloud
14 12 (2.60%) Amazon CloudWatch
15 11 (2.39%) Amazon EC2
15 11 (2.39%) Serverless
16 8 (1.74%) Amazon S3
16 8 (1.74%) Cloud Computing
Communications & Networking
1 69 (14.97%) DNS
2 63 (13.67%) SAN
3 60 (13.02%) Firewall
4 59 (12.80%) DHCP
5 44 (9.54%) LAN
6 43 (9.33%) WAN
7 35 (7.59%) TCP/IP
8 33 (7.16%) SSL
9 31 (6.72%) VLAN
10 28 (6.07%) Remote Desktop
11 24 (5.21%) Network Security
12 22 (4.77%) Wi-Fi
13 15 (3.25%) VPN
14 13 (2.82%) HTTP
15 12 (2.60%) Broadband
15 12 (2.60%) iSCSI
16 11 (2.39%) MPLS
16 11 (2.39%) VSAN
17 9 (1.95%) NAS
17 9 (1.95%) VoIP
Database & Business Intelligence
1 213 (46.20%) SQL Server
2 64 (13.88%) SQL Server Reporting Services
3 55 (11.93%) MySQL
4 54 (11.71%) SQL Server Integration Services
5 50 (10.85%) Data Warehouse
6 35 (7.59%) Power BI
7 31 (6.72%) SQL Server Analysis Services
8 28 (6.07%) Relational Database
9 27 (5.86%) Oracle Database
10 24 (5.21%) Redis
11 23 (4.99%) NoSQL
12 22 (4.77%) MongoDB
13 21 (4.56%) RDBMS
13 21 (4.56%) SQL Server 2016
14 16 (3.47%) Azure SQL Database
15 15 (3.25%) Oracle Database 12c
15 15 (3.25%) PostgreSQL
16 14 (3.04%) Oracle Database 11g
17 13 (2.82%) Tableau
18 12 (2.60%) Event Store
Development Applications
1 36 (7.81%) Git (software)
2 25 (5.42%) Jenkins
3 22 (4.77%) Team Foundation Server
4 20 (4.34%) JIRA
5 15 (3.25%) Octopus Deploy
6 14 (3.04%) Oracle APEX
7 12 (2.60%) git-flow
8 3 (0.65%) GitLab
8 3 (0.65%) Maven
8 3 (0.65%) Subversion
9 2 (0.43%) Atlassian Bamboo
9 2 (0.43%) TeamCity
9 2 (0.43%) Visual Studio Team System
10 1 (0.22%) Cucumber
10 1 (0.22%) GoCD
10 1 (0.22%) Gradle
10 1 (0.22%) SQL Server Management Studio (SSMS)
10 1 (0.22%) Vagrant
General
1 95 (20.61%) Finance
2 87 (18.87%) Social Skills
3 43 (9.33%) Analytical Skills
4 26 (5.64%) Banking
5 21 (4.56%) Public Sector
6 8 (1.74%) Law
7 7 (1.52%) Back Office
7 7 (1.52%) Retail
8 6 (1.30%) Legal
9 5 (1.08%) Telecoms
10 4 (0.87%) Documentation Skills
10 4 (0.87%) Manufacturing
11 3 (0.65%) Inclusion and Diversity
11 3 (0.65%) Marketing
12 2 (0.43%) Advertising
12 2 (0.43%) Financial Institution
12 2 (0.43%) Games
12 2 (0.43%) Investment Banking
12 2 (0.43%) Presentation Skills
13 1 (0.22%) Front Office
Job Titles
1 93 (20.17%) DBA
2 77 (16.70%) Infrastructure Engineer
3 69 (14.97%) Administrator
4 62 (13.45%) 3rd Line Engineer
5 52 (11.28%) SQL DBA
6 49 (10.63%) Support Engineer
7 41 (8.89%) Cloud Engineer
8 35 (7.59%) 3rd Line Support
9 32 (6.94%) 3rd Line Support Engineer
10 31 (6.72%) IT Engineer
11 27 (5.86%) 3rd Line Infrastructure Engineer
11 27 (5.86%) Cloud Infrastructure Engineer
12 26 (5.64%) Architect
13 25 (5.42%) Analyst
13 25 (5.42%) Senior DBA
14 22 (4.77%) Developer
15 21 (4.56%) Linux Engineer
16 20 (4.34%) Server Engineer
16 20 (4.34%) SQL Server DBA
17 19 (4.12%) Windows Engineer
Libraries, Frameworks & Software Standards
1 43 (9.33%) Web Services
2 33 (7.16%) LDAP
3 15 (3.25%) LEMP Stack
4 14 (3.04%) Elastic Stack
5 13 (2.82%) ActiveMQ
5 13 (2.82%) Middleware
5 13 (2.82%) RabbitMQ
6 11 (2.39%) Node.js
7 10 (2.17%) HTML
8 9 (1.95%) 802.1X
8 9 (1.95%) Kafka
8 9 (1.95%) REST
9 8 (1.74%) React Native
10 7 (1.52%) SAML
10 7 (1.52%) Spring
11 6 (1.30%) .NET
12 5 (1.08%) CSS
12 5 (1.08%) Hibernate
12 5 (1.08%) JSON
12 5 (1.08%) WSH
Miscellaneous
1 51 (11.06%) PKI
2 38 (8.24%) Replication
3 29 (6.29%) Data Centre
4 27 (5.86%) Enterprise Storage
5 17 (3.69%) Self-Motivation
6 12 (2.60%) Management Information System
7 10 (2.17%) Social Media
8 8 (1.74%) AS400
8 8 (1.74%) Enterprise Software
8 8 (1.74%) Hybrid Cloud
8 8 (1.74%) Public Cloud
8 8 (1.74%) Virtual Team
9 6 (1.30%) Hedge funds
9 6 (1.30%) Smartphone
10 5 (1.08%) Online Banking
11 4 (0.87%) Data Structures
11 4 (0.87%) Legacy Systems
11 4 (0.87%) NHS
11 4 (0.87%) Private Cloud
11 4 (0.87%) SCADA
Operating Systems
1 212 (45.99%) Windows
2 162 (35.14%) Windows Server
3 160 (34.71%) Linux
4 65 (14.10%) Red Hat Enterprise Linux
5 42 (9.11%) Unix
6 40 (8.68%) Windows Server 2012
7 38 (8.24%) Windows Server 2016
8 33 (7.16%) Windows Server 2008
9 29 (6.29%) Windows Server 2019
10 18 (3.90%) CentOS
10 18 (3.90%) Windows 10
11 14 (3.04%) AIX
11 14 (3.04%) SUSE Linux Enterprise Server
12 13 (2.82%) Solaris
12 13 (2.82%) Ubuntu
13 12 (2.60%) SUSE
14 8 (1.74%) Windows Server 2003
15 7 (1.52%) HPUX
16 6 (1.30%) Windows 7
17 4 (0.87%) Windows 2000 Server
Processes & Methodologies
1 107 (23.21%) High Availability
2 102 (22.13%) Performance Tuning
3 90 (19.52%) Infrastructure Engineering
4 88 (19.09%) ITIL
5 77 (16.70%) Disaster Recovery
6 74 (16.05%) DevOps
7 70 (15.18%) Business Intelligence
8 69 (14.97%) Load Balancing
9 64 (13.88%) Migration
10 63 (13.67%) Agile Software Development
11 54 (11.71%) Change Control
12 46 (9.98%) Change Management
13 36 (7.81%) CI/CD
14 34 (7.38%) Root Cause Analysis
15 33 (7.16%) Capacity Management
15 33 (7.16%) Capacity Planning
16 30 (6.51%) Data Security
17 29 (6.29%) Network Load Balancing
18 28 (6.07%) Database Mirroring
18 28 (6.07%) Problem-Solving
Programming Languages
1 248 (53.80%) SQL
2 168 (36.44%) PowerShell
3 67 (14.53%) Python
4 64 (13.88%) T-SQL
5 33 (7.16%) Java
6 28 (6.07%) Shell Script
7 21 (4.56%) Bash
8 17 (3.69%) PL/SQL
9 14 (3.04%) VBScript
10 11 (2.39%) C
10 11 (2.39%) JavaScript
11 7 (1.52%) VB
12 5 (1.08%) C#
12 5 (1.08%) C++
12 5 (1.08%) R
12 5 (1.08%) Ruby
12 5 (1.08%) Scala
13 4 (0.87%) Go
14 3 (0.65%) Java 8
14 3 (0.65%) Kotlin
Qualifications
1 47 (10.20%) Security Cleared
2 46 (9.98%) SC Cleared
3 39 (8.46%) Microsoft Certification
4 27 (5.86%) Degree
4 27 (5.86%) MCSA
5 26 (5.64%) ITIL Certification
6 23 (4.99%) MCTS
7 13 (2.82%) MCSE
8 8 (1.74%) VMware Certified Professional (VCP)
9 6 (1.30%) CISSP
9 6 (1.30%) Linux+ Certification
10 5 (1.08%) CompTIA Security+
10 5 (1.08%) Computer Science Degree
10 5 (1.08%) DV Cleared
11 4 (0.87%) AWS Certification
11 4 (0.87%) CCNA
11 4 (0.87%) CEH
11 4 (0.87%) Cisco Certification
11 4 (0.87%) CISMP
11 4 (0.87%) VERITAS Certified Professional (VCP)
Quality Assurance & Compliance
1 33 (7.16%) SLA
2 27 (5.86%) GDPR
3 8 (1.74%) PMO
4 7 (1.52%) Data Quality
5 6 (1.30%) ISO/IEC 27001
5 6 (1.30%) NIST
5 6 (1.30%) QA
6 2 (0.43%) Sarbanes-Oxley
7 1 (0.22%) Accessibility
7 1 (0.22%) PCI DSS
System Software
1 184 (39.91%) Active Directory
2 100 (21.69%) VMware Infrastructure
3 65 (14.10%) VMware ESXi
4 53 (11.50%) Hyper-V
5 44 (9.54%) vSphere
6 21 (4.56%) Docker
7 13 (2.82%) Virtual Machines
8 8 (1.74%) NFS
9 6 (1.30%) Terminal Services
10 3 (0.65%) Firmware
10 3 (0.65%) Samba
10 3 (0.65%) VMware NSX
11 2 (0.43%) iptables
11 2 (0.43%) Veritas Cluster Server
12 1 (0.22%) Apache ZooKeeper
12 1 (0.22%) FreeRADIUS
12 1 (0.22%) Shibboleth
12 1 (0.22%) Virtual Desktop
12 1 (0.22%) Virtual Servers
12 1 (0.22%) XenApp
Systems Management
1 74 (16.05%) Microsoft Clustering
1 74 (16.05%) SCCM
2 52 (11.28%) Failover Clustering
3 49 (10.63%) Ansible
4 43 (9.33%) Kubernetes
5 42 (9.11%) Terraform
6 25 (5.42%) Single Sign-On
6 25 (5.42%) WSUS
7 23 (4.99%) Microsoft Intune
8 22 (4.77%) Active Directory Federation Services
8 22 (4.77%) Puppet
9 19 (4.12%) Opscode Chef
10 18 (3.90%) vCenter Server
11 15 (3.25%) Data Guard
11 15 (3.25%) SCOM
12 14 (3.04%) Consul
12 14 (3.04%) Oracle Enterprise Manager
12 14 (3.04%) Oracle RMAN
13 13 (2.82%) Grafana
14 12 (2.60%) Prometheus
Vendors
1 240 (52.06%) Microsoft
2 201 (43.60%) VMware
3 75 (16.27%) Red Hat
4 49 (10.63%) Oracle
5 44 (9.54%) Cisco
5 44 (9.54%) Citrix
6 34 (7.38%) HP
7 32 (6.94%) 3PAR
8 26 (5.64%) Apple
9 25 (5.42%) Scality
10 24 (5.21%) Google
11 23 (4.99%) Veritas
12 20 (4.34%) Sophos
13 19 (4.12%) Dell
14 18 (3.90%) EMC
14 18 (3.90%) IBM
15 17 (3.69%) Veeam
16 15 (3.25%) Symantec
17 10 (2.17%) McAfee
18 9 (1.95%) Splunk