Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 18 September 2021

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 18 September 2021 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
18 Sep 2021		 Same period 2020 Same period 2019
Rank 589 476 573
Rank change year-on-year -113 +97 -35
Permanent jobs citing Clustering 512 242 655
As % of all permanent jobs advertised in the UK 0.42% 0.48% 0.46%
As % of the Miscellaneous category 1.05% 1.33% 1.31%
Number of salaries quoted 410 203 511
10th Percentile £36,250 £34,800 £36,750
25th Percentile £41,250 £41,250 £42,500
Median annual salary (50th Percentile) £52,500 £50,000 £52,500
Median % change year-on-year +5.00% -4.76% -
75th Percentile £73,438 £60,000 £70,000
90th Percentile £91,250 £67,500 £83,750
UK excluding London median annual salary £45,000 £50,000 £47,500
% change year-on-year -10.00% +5.26% +5.56%

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 48,621 18,169 49,811
As % of all permanent IT jobs advertised in the UK 40.20% 35.92% 35.16%
Number of salaries quoted 29,205 14,717 38,007
10th Percentile £32,500 £32,750 £30,000
25th Percentile £42,500 £42,500 £37,500
Median annual salary (50th Percentile) £60,000 £57,500 £53,000
Median % change year-on-year +4.35% +8.49% +0.95%
75th Percentile £80,000 £77,500 £72,500
90th Percentile £97,500 £100,000 £90,000
UK excluding London median annual salary £50,000 £48,000 £45,000
% change year-on-year +4.17% +6.67% -

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 18 September 2021.

Salary histogram for Clustering in the UK

Clustering
Top 15 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 18 September 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
England -91 454 £52,500 - 108
UK excluding London -129 279 £45,000 -10.00% 69
London -136 189 £65,000 +8.33% 43
Midlands -46 102 £40,000 +6.67% 18
West Midlands -23 96 £40,000 +6.67% 11
Work from Home -209 95 £70,000 +21.74% 23
South East -117 71 £57,500 +6.98% 12
South West -63 48 £50,000 - 12
North of England -157 28 £46,500 -7.00% 14
North West -98 22 £46,500 -7.00% 9
Wales -38 16 - - 1
East of England -94 9 £42,529 -21.97% 8
Yorkshire -113 8 £36,000 -40.00% 2
Scotland -84 7 £43,000 +1.18% 4
East Midlands -60 6 £42,469 -15.06% 7

For the 6 months to 18 September 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 with a requirement for Clustering.

1 247 (48.24%) Microsoft
2 222 (43.36%) Azure
3 221 (43.16%) SQL Server
4 218 (42.58%) Windows
5 199 (38.87%) VMware
6 197 (38.48%) SQL
7 187 (36.52%) Active Directory
8 172 (33.59%) AWS
9 149 (29.10%) High Availability
10 148 (28.91%) Windows Server
11 131 (25.59%) PowerShell
12 129 (25.20%) Linux
12 129 (25.20%) Disaster Recovery
13 104 (20.31%) Finance
14 103 (20.12%) Microsoft 365
15 94 (18.36%) VMware Infrastructure
16 92 (17.97%) DevOps
17 90 (17.58%) Performance Tuning
18 86 (16.80%) IIS
19 79 (15.43%) Microsoft Clustering
20 76 (14.84%) Oracle
20 76 (14.84%) VMware ESXi
20 76 (14.84%) Infrastructure Engineering
21 74 (14.45%) Social Skills
21 74 (14.45%) T-SQL
22 73 (14.26%) Hyper-V
23 72 (14.06%) DNS
24 70 (13.67%) Migration
25 69 (13.48%) Java
26 68 (13.28%) Agile Software Development

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 86 (16.80%) IIS
2 56 (10.94%) MS Exchange
3 23 (4.49%) Apache
4 18 (3.52%) SharePoint
5 17 (3.32%) nginx
6 13 (2.54%) Confluence
6 13 (2.54%) Tomcat
7 11 (2.15%) Exchange Server 2013
7 11 (2.15%) Skype for Business
8 7 (1.37%) WebSphere
9 6 (1.17%) Elasticsearch
9 6 (1.17%) Traefik
10 5 (0.98%) Exchange Server 2010
11 4 (0.78%) Apache Spark
11 4 (0.78%) JBoss
12 3 (0.59%) Blackberry Enterprise Server
12 3 (0.59%) SharePoint Server
13 2 (0.39%) Adobe Experience Manager
13 2 (0.39%) CMS
13 2 (0.39%) Mule
Applications
1 16 (3.13%) Microsoft Office
2 4 (0.78%) Microsoft Excel
3 1 (0.20%) Gephi
Business Applications
1 16 (3.13%) Remedy ITSM
2 9 (1.76%) Dynamics CRM
3 3 (0.59%) Maximo
3 3 (0.59%) Sentinel
4 2 (0.39%) Sage 200
5 1 (0.20%) Dynamics AX
5 1 (0.20%) Dynamics GP
Cloud Services
1 222 (43.36%) Azure
2 172 (33.59%) AWS
3 103 (20.12%) Microsoft 365
4 47 (9.18%) Azure Active Directory
5 43 (8.40%) PaaS
6 42 (8.20%) IaaS
7 33 (6.45%) Power Platform
8 32 (6.25%) GCP
9 25 (4.88%) SaaS
10 22 (4.30%) AWS CloudFormation
11 21 (4.10%) GitHub
12 16 (3.13%) Azure Stack
13 11 (2.15%) Amazon CloudWatch
13 11 (2.15%) Amazon EC2
14 9 (1.76%) Amazon ECS
14 9 (1.76%) Cloud Computing
15 8 (1.56%) Amazon ElastiCache
15 8 (1.56%) Amazon Kinesis
16 7 (1.37%) Azure App Service
16 7 (1.37%) Azure Logic Apps
Communications & Networking
1 72 (14.06%) DNS
2 65 (12.70%) Firewall
3 49 (9.57%) DHCP
4 47 (9.18%) LAN
4 47 (9.18%) SAN
5 45 (8.79%) TCP/IP
6 40 (7.81%) WAN
7 39 (7.62%) VLAN
8 35 (6.84%) SSL
9 26 (5.08%) HTTP
9 26 (5.08%) VPN
10 20 (3.91%) iSCSI
11 17 (3.32%) Internet
12 15 (2.93%) Broadband
13 13 (2.54%) Fibre Channel
13 13 (2.54%) Network Security
14 11 (2.15%) Skype
15 10 (1.95%) IPsec
15 10 (1.95%) Remote Desktop
15 10 (1.95%) Wi-Fi
Database & Business Intelligence
1 221 (43.16%) SQL Server
2 67 (13.09%) SQL Server Reporting Services
3 58 (11.33%) SQL Server Integration Services
4 55 (10.74%) MySQL
5 46 (8.98%) Data Warehouse
6 44 (8.59%) Relational Database
7 41 (8.01%) PostgreSQL
8 35 (6.84%) SQL Server Analysis Services
9 33 (6.45%) Power BI
10 29 (5.66%) RDBMS
10 29 (5.66%) SQL Server 2012
11 26 (5.08%) Oracle Database
12 21 (4.10%) Redis
13 20 (3.91%) MongoDB
14 18 (3.52%) Azure SQL Database
15 13 (2.54%) MariaDB
15 13 (2.54%) NoSQL
16 11 (2.15%) Crystal Reports
17 10 (1.95%) SQL Server 2016
17 10 (1.95%) Tableau
Development Applications
1 37 (7.23%) Jenkins
2 30 (5.86%) Git (software)
3 23 (4.49%) JIRA
4 20 (3.91%) Team Foundation Server
5 17 (3.32%) Octopus Deploy
6 6 (1.17%) git-flow
6 6 (1.17%) Gradle
7 1 (0.20%) GitLab
7 1 (0.20%) GoCD
7 1 (0.20%) JUnit
7 1 (0.20%) TeamCity
7 1 (0.20%) Visual Studio
General
1 104 (20.31%) Finance
2 74 (14.45%) Social Skills
3 54 (10.55%) Banking
4 27 (5.27%) Analytical Skills
5 22 (4.30%) Law
6 16 (3.13%) Inclusion and Diversity
6 16 (3.13%) Telecoms
7 11 (2.15%) Investment Banking
8 9 (1.76%) Documentation Skills
9 7 (1.37%) Marketing
10 6 (1.17%) Games
10 6 (1.17%) Public Sector
10 6 (1.17%) Retail
11 4 (0.78%) Legal
12 3 (0.59%) Back Office
13 2 (0.39%) Aerospace
13 2 (0.39%) Local Government
13 2 (0.39%) Military
13 2 (0.39%) Presentation Skills
13 2 (0.39%) Publishing
Job Titles
1 122 (23.83%) DBA
2 78 (15.23%) SQL DBA
3 66 (12.89%) Administrator
4 59 (11.52%) Infrastructure Engineer
5 54 (10.55%) IT Engineer
6 47 (9.18%) 3rd Line Engineer
7 46 (8.98%) Developer
8 44 (8.59%) SQL Server DBA
9 41 (8.01%) Cloud Engineer
10 39 (7.62%) Support Engineer
11 35 (6.84%) VMware Engineer
12 32 (6.25%) Architect
12 32 (6.25%) Project Engineer
13 27 (5.27%) Senior DBA
14 24 (4.69%) Windows Engineer
15 23 (4.49%) 3rd Line Infrastructure Engineer
15 23 (4.49%) 3rd Line Support
15 23 (4.49%) 3rd Line Support Engineer
15 23 (4.49%) Active Directory Engineer
15 23 (4.49%) Consultant
Libraries, Frameworks & Software Standards
1 63 (12.30%) Web Services
2 32 (6.25%) REST
3 27 (5.27%) Elastic Stack
4 23 (4.49%) Spring
5 17 (3.32%) LAMP
6 16 (3.13%) LDAP
6 16 (3.13%) LEMP Stack
7 15 (2.93%) React
8 14 (2.73%) Middleware
9 13 (2.54%) 802.1X
10 12 (2.34%) HTML
10 12 (2.34%) Kafka
11 11 (2.15%) .NET
11 11 (2.15%) AngularJS
11 11 (2.15%) Spring Boot
12 10 (1.95%) J2EE
12 10 (1.95%) LAPP Stack
12 10 (1.95%) Node.js
12 10 (1.95%) Struts
13 9 (1.76%) Velocity
Miscellaneous
1 56 (10.94%) Replication
2 40 (7.81%) Data Centre
3 30 (5.86%) PKI
4 22 (4.30%) Management Information System
4 22 (4.30%) Public Cloud
5 20 (3.91%) Enterprise Software
6 16 (3.13%) Enterprise Storage
6 16 (3.13%) Virtual Team
7 12 (2.34%) Legacy Systems
8 10 (1.95%) AS400
8 10 (1.95%) Hybrid Cloud
9 9 (1.76%) Online Banking
9 9 (1.76%) Self-Motivation
10 7 (1.37%) BYOD
11 6 (1.17%) Algorithms
11 6 (1.17%) Data Structures
12 5 (0.98%) Hedge funds
12 5 (0.98%) Mainframe
12 5 (0.98%) Social Media
12 5 (0.98%) Video Conferencing
Operating Systems
1 218 (42.58%) Windows
2 148 (28.91%) Windows Server
3 129 (25.20%) Linux
4 37 (7.23%) Red Hat Enterprise Linux
5 36 (7.03%) Unix
6 29 (5.66%) Windows Server 2019
7 28 (5.47%) Windows Server 2012
8 25 (4.88%) CentOS
9 22 (4.30%) Windows Server 2008
10 21 (4.10%) Windows 10
11 17 (3.32%) Windows Server 2016
12 10 (1.95%) Solaris
13 7 (1.37%) AIX
13 7 (1.37%) Ubuntu
14 5 (0.98%) zOS
15 4 (0.78%) Windows 7
16 3 (0.59%) Apple iOS
17 1 (0.20%) Mac OS
17 1 (0.20%) Oracle Linux
17 1 (0.20%) Windows Server 2003
Processes & Methodologies
1 149 (29.10%) High Availability
2 129 (25.20%) Disaster Recovery
3 92 (17.97%) DevOps
4 90 (17.58%) Performance Tuning
5 76 (14.84%) Infrastructure Engineering
6 70 (13.67%) Migration
7 68 (13.28%) Agile Software Development
8 67 (13.09%) Problem-Solving
9 61 (11.91%) Business Intelligence
9 61 (11.91%) Change Management
10 51 (9.96%) Load Balancing
11 46 (8.98%) ETL
12 44 (8.59%) Microservices
13 36 (7.03%) Continuous Integration
14 35 (6.84%) ITIL
15 33 (6.45%) Software Engineering
16 32 (6.25%) Data Security
17 31 (6.05%) Database Mirroring
18 29 (5.66%) Capacity Management
19 28 (5.47%) Site Reliability Engineering
Programming Languages
1 197 (38.48%) SQL
2 131 (25.59%) PowerShell
3 74 (14.45%) T-SQL
4 69 (13.48%) Java
5 65 (12.70%) Python
6 33 (6.45%) Bash Shell
7 27 (5.27%) Shell Script
8 21 (4.10%) JavaScript
9 14 (2.73%) Go
9 14 (2.73%) Scala
10 13 (2.54%) Perl
11 12 (2.34%) Kotlin
12 11 (2.15%) C
12 11 (2.15%) C#
13 6 (1.17%) VBScript
14 3 (0.59%) C++
14 3 (0.59%) Java 8
14 3 (0.59%) PL/SQL
15 2 (0.39%) HLASM
15 2 (0.39%) LookML
Qualifications
1 44 (8.59%) Degree
2 33 (6.45%) Security Cleared
3 26 (5.08%) SC Cleared
4 24 (4.69%) Microsoft Certification
5 17 (3.32%) MCSE
6 15 (2.93%) MCSA
7 10 (1.95%) MCITP
8 9 (1.76%) MCTS
9 8 (1.56%) MCP
10 7 (1.37%) DV Cleared
11 6 (1.17%) CISSP
12 5 (0.98%) CCNA
12 5 (0.98%) CEH
12 5 (0.98%) CISA
12 5 (0.98%) Cisco Certification
12 5 (0.98%) CISMP
12 5 (0.98%) CompTIA Security+
12 5 (0.98%) ITIL Certification
12 5 (0.98%) SSCP
13 3 (0.59%) AWS Certification
Quality Assurance & Compliance
1 51 (9.96%) SLA
2 25 (4.88%) GDPR
3 13 (2.54%) QA
4 9 (1.76%) ISO/IEC 27001
4 9 (1.76%) PMO
5 8 (1.56%) Data Quality
6 5 (0.98%) Accessibility
6 5 (0.98%) NIST
7 2 (0.39%) HL7
7 2 (0.39%) Sarbanes-Oxley
8 1 (0.20%) ISO 15022
8 1 (0.20%) ISO 20022
8 1 (0.20%) PCI DSS
System Software
1 187 (36.52%) Active Directory
2 94 (18.36%) VMware Infrastructure
3 76 (14.84%) VMware ESXi
4 73 (14.26%) Hyper-V
5 33 (6.45%) vSphere
6 30 (5.86%) Docker
7 12 (2.34%) NFS
8 10 (1.95%) iptables
8 10 (1.95%) Terminal Services
9 7 (1.37%) Oracle RAC
9 7 (1.37%) Virtual Machines
10 5 (0.98%) Veritas Cluster Server
10 5 (0.98%) XenApp
11 4 (0.78%) ProxySG
11 4 (0.78%) XenDesktop
12 3 (0.59%) Citrix Hypervisor
12 3 (0.59%) DFS Replication
12 3 (0.59%) KVM
12 3 (0.59%) vCloud
12 3 (0.59%) Virtual Desktop
Systems Management
1 79 (15.43%) Microsoft Clustering
2 53 (10.35%) Ansible
3 50 (9.77%) SCCM
4 47 (9.18%) Kubernetes
5 42 (8.20%) Failover Clustering
6 29 (5.66%) Microsoft Intune
7 28 (5.47%) vCenter Server
8 26 (5.08%) Puppet
9 24 (4.69%) Terraform
10 21 (4.10%) Active Directory Federation Services
11 18 (3.52%) Grafana
12 17 (3.32%) Opscode Chef
13 15 (2.93%) WSUS
14 13 (2.54%) SCOM
15 12 (2.34%) Prometheus
16 11 (2.15%) Single Sign-On
17 8 (1.56%) Data Guard
18 7 (1.37%) Red Hat Satellite
19 6 (1.17%) FortiGate
19 6 (1.17%) Rancher
Vendors
1 247 (48.24%) Microsoft
2 199 (38.87%) VMware
3 76 (14.84%) Oracle
4 58 (11.33%) Cisco
5 49 (9.57%) Red Hat
6 38 (7.42%) Google
7 22 (4.30%) 3PAR
8 21 (4.10%) Citrix
9 19 (3.71%) Apple
10 17 (3.32%) Remedy
11 15 (2.93%) Scality
12 14 (2.73%) IBM
13 13 (2.54%) NetApp
13 13 (2.54%) Veeam
14 12 (2.34%) Brocade
14 12 (2.34%) EMC
14 12 (2.34%) HP
15 11 (2.15%) F5
15 11 (2.15%) Veritas
16 10 (1.95%) Atlassian
118 Clustering job vacancies Nationwide