Job Vacancy Trend Salary Trend Salary Histogram Job Locations Skill Sets
Period
to 11 April 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 11 April 2021 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
11 Apr 2021		 Same period 2020 Same period 2019
Rank 517 560 501
Rank change year-on-year +43 -59 -14
Permanent jobs citing Clustering 360 467 830
As % of all permanent jobs advertised in the UK 0.43% 0.41% 0.56%
As % of the Miscellaneous category 1.10% 1.07% 1.41%
Number of salaries quoted 309 348 693
10th Percentile £32,750 £34,925 £36,250
25th Percentile £40,000 £37,500 £41,750
Median annual salary (50th Percentile) £50,000 £50,000 £51,500
Median % change year-on-year - -2.91% +3.00%
75th Percentile £70,000 £61,250 £67,500
90th Percentile £90,000 £70,375 £77,500
UK excluding London median annual salary £45,000 £45,000 £46,500
% change year-on-year - -3.23% +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 32,717 43,836 58,679
As % of all permanent IT jobs advertised in the UK 39.50% 38.59% 39.42%
Number of salaries quoted 23,312 34,125 44,860
10th Percentile £32,500 £30,750 £29,250
25th Percentile £41,250 £39,750 £37,500
Median annual salary (50th Percentile) £55,000 £55,000 £52,500
Median % change year-on-year - +4.76% +5.00%
75th Percentile £75,000 £75,000 £71,750
90th Percentile £95,000 £93,750 £87,500
UK excluding London median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% -

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 11 April 2021.

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 11 April 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 +57 334 £50,500 -3.81% 68
UK excluding London +24 210 £45,000 - 48
London +129 131 £67,500 +17.39% 23
Work from Home -86 70 £60,250 -3.60% 14
North of England +21 66 £46,750 -1.04% 7
Midlands +70 64 £36,500 -18.89% 11
West Midlands +65 54 £36,000 -20.00% 6
North West +34 48 £47,500 -4.01% 7
South East +2 40 £50,000 +8.40% 18
South West -1 17 £42,500 -20.93% 8
East of England +33 15 £45,000 -10.00% 1
Yorkshire +14 13 £45,000 -16.28%
East Midlands +25 10 £43,250 +31.06% 5
North East +4 5 £47,500 +26.67%
Wales +15 4 £50,000 +33.33% 1
Scotland +13 4 £45,000 - 2

For the 6 months to 11 April 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.

1 216 (60.00%) Windows
2 171 (47.50%) Active Directory
3 170 (47.22%) Microsoft
4 169 (46.94%) VMware
5 168 (46.67%) Azure
6 166 (46.11%) SQL Server
7 152 (42.22%) Windows Server
8 120 (33.33%) SQL
9 117 (32.50%) AWS
10 100 (27.78%) PowerShell
10 100 (27.78%) Linux
11 95 (26.39%) VMware Infrastructure
12 90 (25.00%) Oracle
13 89 (24.72%) Hyper-V
13 89 (24.72%) Performance Tuning
14 87 (24.17%) Microsoft 365
15 84 (23.33%) Microsoft Clustering
16 82 (22.78%) Replication
17 73 (20.28%) Cisco
17 73 (20.28%) High Availability
18 65 (18.06%) Firewall
19 63 (17.50%) DNS
19 63 (17.50%) VMware ESXi
20 59 (16.39%) Disaster Recovery
21 58 (16.11%) Infrastructure Engineering
22 57 (15.83%) PostgreSQL
23 56 (15.56%) IIS
24 54 (15.00%) Failover Clustering
25 51 (14.17%) MySQL
25 51 (14.17%) MS Exchange

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 56 (15.56%) IIS
2 51 (14.17%) MS Exchange
3 25 (6.94%) SharePoint
4 20 (5.56%) Skype for Business
5 10 (2.78%) Exchange Server 2010
6 9 (2.50%) Exchange Server 2013
7 8 (2.22%) Apache
8 7 (1.94%) JBoss
9 6 (1.67%) Confluence
9 6 (1.67%) OpenEdge
10 4 (1.11%) Elasticsearch
11 3 (0.83%) Ethereum
12 2 (0.56%) Red Hat Fuse
12 2 (0.56%) SharePoint 2010
13 1 (0.28%) Adobe Experience Manager
13 1 (0.28%) MS Project Server
13 1 (0.28%) nginx
13 1 (0.28%) Oracle Coherence
13 1 (0.28%) SAS
13 1 (0.28%) WebSphere
Applications
1 15 (4.17%) Microsoft Office
2 1 (0.28%) Gephi
2 1 (0.28%) Microsoft Excel
2 1 (0.28%) Microsoft PowerPoint
Business Applications
1 3 (0.83%) Quorum
1 3 (0.83%) Remedy ITSM
2 2 (0.56%) Oracle EBS R12
2 2 (0.56%) Sage 200
3 1 (0.28%) Dynamics AX
3 1 (0.28%) Dynamics CRM
Cloud Services
1 168 (46.67%) Azure
2 117 (32.50%) AWS
3 87 (24.17%) Microsoft 365
4 36 (10.00%) Azure Active Directory
5 27 (7.50%) GCP
6 23 (6.39%) IaaS
6 23 (6.39%) PaaS
7 19 (5.28%) Power Platform
8 17 (4.72%) SaaS
9 11 (3.06%) Trello
10 7 (1.94%) Mimecast
11 6 (1.67%) Google Data Studio
12 4 (1.11%) Amazon ECS
12 4 (1.11%) Amazon ElastiCache
12 4 (1.11%) Amazon Kinesis
12 4 (1.11%) AWS CloudFormation
13 3 (0.83%) Amazon S3
13 3 (0.83%) Cloud Computing
14 1 (0.28%) Amazon EC2
14 1 (0.28%) Serverless
Communications & Networking
1 65 (18.06%) Firewall
2 63 (17.50%) DNS
3 47 (13.06%) DHCP
4 38 (10.56%) TCP/IP
5 36 (10.00%) SAN
6 31 (8.61%) WAN
7 26 (7.22%) LAN
8 24 (6.67%) Skype
9 23 (6.39%) VLAN
10 21 (5.83%) iSCSI
11 19 (5.28%) Remote Desktop
12 17 (4.72%) VPN
13 16 (4.44%) MPLS
14 14 (3.89%) PBX
14 14 (3.89%) Unified Communications
15 13 (3.61%) VoIP
15 13 (3.61%) WebEx
16 12 (3.33%) Fibre Channel
17 11 (3.06%) Internet
18 10 (2.78%) Wireless
Database & Business Intelligence
1 166 (46.11%) SQL Server
2 57 (15.83%) PostgreSQL
3 51 (14.17%) MySQL
4 34 (9.44%) SQL Server Integration Services
5 30 (8.33%) SQL Server Reporting Services
6 27 (7.50%) Relational Database
7 25 (6.94%) SQL Server 2016
8 23 (6.39%) RDBMS
9 22 (6.11%) Oracle Database
10 21 (5.83%) SQL Server 2014
11 20 (5.56%) MariaDB
12 18 (5.00%) Power BI
12 18 (5.00%) SQL Server 2019
12 18 (5.00%) SQL Server Analysis Services
13 16 (4.44%) Azure SQL Database
13 16 (4.44%) Oracle Database 12c
13 16 (4.44%) Oracle Exadata
14 14 (3.89%) Data Warehouse
15 13 (3.61%) MongoDB
16 12 (3.33%) SQL Server 2012
Development Applications
1 28 (7.78%) JIRA
2 27 (7.50%) Jenkins
3 5 (1.39%) Git (software)
3 5 (1.39%) Octopus Deploy
4 3 (0.83%) Gradle
4 3 (0.83%) Visual Studio
5 2 (0.56%) JUnit
6 1 (0.28%) GitLab
6 1 (0.28%) Maven
6 1 (0.28%) Sonatype Nexus
General
1 29 (8.06%) Finance
2 18 (5.00%) Law
3 16 (4.44%) Banking
3 16 (4.44%) Public Sector
4 7 (1.94%) Investment Banking
5 4 (1.11%) Telecoms
6 3 (0.83%) Legal
6 3 (0.83%) Military
7 2 (0.56%) Marketing
8 1 (0.28%) Aerospace
8 1 (0.28%) Automotive
8 1 (0.28%) Front Office
8 1 (0.28%) Police
8 1 (0.28%) Retail
Job Titles
1 93 (25.83%) DBA
2 55 (15.28%) SQL DBA
3 45 (12.50%) Infrastructure Engineer
4 36 (10.00%) IT Engineer
5 33 (9.17%) Administrator
5 33 (9.17%) VMware Engineer
6 28 (7.78%) Azure Engineer
6 28 (7.78%) MySQL DBA
7 27 (7.50%) Architect
8 26 (7.22%) SQL Server DBA
9 25 (6.94%) Developer
10 21 (5.83%) 3rd Line Engineer
10 21 (5.83%) Project Engineer
10 21 (5.83%) Support Engineer
11 17 (4.72%) Active Directory Engineer
12 16 (4.44%) Windows Engineer
13 14 (3.89%) Applications Engineer
14 13 (3.61%) Consultant
15 12 (3.33%) Linux Engineer
15 12 (3.33%) VMware Support Engineer
Libraries, Frameworks & Software Standards
1 32 (8.89%) Web Services
2 11 (3.06%) REST
3 10 (2.78%) 802.1X
4 9 (2.50%) Spring
5 8 (2.22%) Middleware
6 6 (1.67%) .NET
6 6 (1.67%) HTML
6 6 (1.67%) Spring Boot
7 5 (1.39%) Kafka
8 4 (1.11%) AngularJS
8 4 (1.11%) FIX Protocol
8 4 (1.11%) Lambda Expressions
8 4 (1.11%) POSIX
9 3 (0.83%) Ajax
9 3 (0.83%) CSS
9 3 (0.83%) Hibernate
9 3 (0.83%) JMS
9 3 (0.83%) LAMP
9 3 (0.83%) SOAP
9 3 (0.83%) WSH
Miscellaneous
1 82 (22.78%) Replication
2 40 (11.11%) Analytical Skills
3 24 (6.67%) Data Centre
4 16 (4.44%) Management Information System
5 13 (3.61%) BYOD
6 12 (3.33%) Enterprise Software
6 12 (3.33%) Public Cloud
7 11 (3.06%) Hybrid Cloud
8 10 (2.78%) Virtual Team
9 8 (2.22%) Greenfield Project
10 6 (1.67%) Video Conferencing
11 5 (1.39%) Fixed Income
11 5 (1.39%) Linux Command Line
11 5 (1.39%) Self-Motivation
12 4 (1.11%) Enterprise Storage
12 4 (1.11%) Social Media
13 3 (0.83%) Driving Licence
13 3 (0.83%) LIMS
13 3 (0.83%) PKI
14 2 (0.56%) EMC VNX
Operating Systems
1 216 (60.00%) Windows
2 152 (42.22%) Windows Server
3 100 (27.78%) Linux
4 35 (9.72%) Windows Server 2008
5 34 (9.44%) Windows Server 2012
6 22 (6.11%) Windows 10
6 22 (6.11%) Windows Server 2016
7 16 (4.44%) Ubuntu
7 16 (4.44%) Unix
7 16 (4.44%) Windows Server 2019
8 14 (3.89%) CentOS
8 14 (3.89%) Red Hat Enterprise Linux
9 12 (3.33%) Mac OS
10 11 (3.06%) Solaris
11 9 (2.50%) Windows Server 2003
12 8 (2.22%) Windows 7
13 5 (1.39%) Debian
14 3 (0.83%) Fedora
14 3 (0.83%) SUSE
15 2 (0.56%) Apple iOS
Processes & Methodologies
1 89 (24.72%) Performance Tuning
2 73 (20.28%) High Availability
3 59 (16.39%) Disaster Recovery
4 58 (16.11%) Infrastructure Engineering
5 45 (12.50%) Migration
6 38 (10.56%) DevOps
7 37 (10.28%) Agile Software Development
7 37 (10.28%) Problem-Solving
8 35 (9.72%) ITIL
9 28 (7.78%) Business Intelligence
10 22 (6.11%) ETL
11 21 (5.83%) Fintech
12 20 (5.56%) Load Balancing
12 20 (5.56%) Service Management
12 20 (5.56%) Time Management
13 18 (5.00%) Change Control
13 18 (5.00%) Microservices
13 18 (5.00%) Problem Management
14 17 (4.72%) Performance Monitoring
14 17 (4.72%) Server Building
Programming Languages
1 120 (33.33%) SQL
2 100 (27.78%) PowerShell
3 46 (12.78%) T-SQL
4 31 (8.61%) Bash Shell
5 29 (8.06%) Java
6 26 (7.22%) Shell Script
7 24 (6.67%) Perl
7 24 (6.67%) Python
8 19 (5.28%) PL/SQL
9 15 (4.17%) C
10 10 (2.78%) Ruby
11 7 (1.94%) JavaScript
11 7 (1.94%) VBScript
12 4 (1.11%) Kotlin
12 4 (1.11%) Scala
13 3 (0.83%) C#
13 3 (0.83%) Java 8
14 2 (0.56%) VB
15 1 (0.28%) Go
15 1 (0.28%) R
Qualifications
1 42 (11.67%) Microsoft Certification
2 38 (10.56%) Security Cleared
3 35 (9.72%) SC Cleared
4 32 (8.89%) MCSE
5 28 (7.78%) MCSA
6 18 (5.00%) VMware Certified Professional (VCP)
7 16 (4.44%) MCP
8 15 (4.17%) MCITP
9 13 (3.61%) MCTS
10 10 (2.78%) CCNA
10 10 (2.78%) Cisco Certification
11 9 (2.50%) ITIL Certification
12 6 (1.67%) Degree
13 4 (1.11%) AWS Certification
14 3 (0.83%) CCNP
15 2 (0.56%) Computer Science Degree
15 2 (0.56%) MCDBA
16 1 (0.28%) DBS Check
16 1 (0.28%) ITIL Foundation Certificate
16 1 (0.28%) Master's Degree
Quality Assurance & Compliance
1 27 (7.50%) SLA
2 10 (2.78%) GDPR
3 9 (2.50%) ISO/IEC 27001
3 9 (2.50%) QA
4 4 (1.11%) Cyber Essentials
4 4 (1.11%) Cyber Essentials PLUS
4 4 (1.11%) ISO 9001
5 1 (0.28%) PCI DSS
System Software
1 171 (47.50%) Active Directory
2 95 (26.39%) VMware Infrastructure
3 89 (24.72%) Hyper-V
4 63 (17.50%) VMware ESXi
5 31 (8.61%) vSphere
6 19 (5.28%) Oracle RAC
7 15 (4.17%) Docker
8 13 (3.61%) XenApp
9 11 (3.06%) Virtual Machines
10 8 (2.22%) Veritas Volume Manager
11 7 (1.94%) KVM
12 6 (1.67%) Btrfs
12 6 (1.67%) Ceph
12 6 (1.67%) DRBD
12 6 (1.67%) Xen
13 5 (1.39%) Firmware
13 5 (1.39%) vCloud
14 4 (1.11%) Virtual Servers
15 3 (0.83%) Samba
15 3 (0.83%) Terminal Services
Systems Management
1 84 (23.33%) Microsoft Clustering
2 54 (15.00%) Failover Clustering
3 44 (12.22%) SCCM
4 27 (7.50%) vCenter Server
5 25 (6.94%) Microsoft Intune
6 17 (4.72%) Ansible
7 16 (4.44%) Kubernetes
8 14 (3.89%) Oracle RMAN
9 13 (3.61%) NetBackup
9 13 (3.61%) Terraform
10 11 (3.06%) McAfee ePO
11 9 (2.50%) SCOM
11 9 (2.50%) WSUS
12 6 (1.67%) HP Data Protector
12 6 (1.67%) Oracle ZFS
13 5 (1.39%) Grafana
13 5 (1.39%) Microsoft Data Protection Manager
13 5 (1.39%) SCDPM
14 4 (1.11%) Data Guard
14 4 (1.11%) Red Hat Satellite
Vendors
1 170 (47.22%) Microsoft
2 169 (46.94%) VMware
3 90 (25.00%) Oracle
4 73 (20.28%) Cisco
5 38 (10.56%) Citrix
6 34 (9.44%) HP
7 30 (8.33%) Google
8 27 (7.50%) Red Hat
9 21 (5.83%) Veeam
10 19 (5.28%) Dell
11 17 (4.72%) Veritas
12 15 (4.17%) McAfee
13 14 (3.89%) Brocade
13 14 (3.89%) Symantec
14 13 (3.61%) Acme Packet
14 13 (3.61%) Polycom
14 13 (3.61%) Yealink
15 9 (2.50%) 3PAR
15 9 (2.50%) Avaya
15 9 (2.50%) Lumension
75 Clustering job vacancies Nationwide