Period
to 23 May 2019

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 23 May 2019 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
23 May 2019
Same period 2018 Same period 2017
Rank 498 490 431
Rank change year-on-year -8 -59 -64
Permanent jobs citing Clustering 788 1,015 1,187
As % of all permanent IT jobs advertised in the UK 0.55% 0.59% 0.70%
As % of the Miscellaneous category 1.31% 1.46% 1.75%
Number of salaries quoted 642 836 987
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - -
10th Percentile £37,500 £32,625 £32,500
90th Percentile £80,000 £77,500 £73,750
UK excluding London median annual salary £47,500 £45,000 £44,500
% change year-on-year +5.56% +1.12% -1.11%

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 59,954 69,673 67,993
As % of all permanent IT jobs advertised in the UK 41.62% 40.54% 40.19%
Number of salaries quoted 45,279 54,151 54,542
UK median annual salary £53,500 £50,000 £48,500
Median salary % change year-on-year +7.00% +3.09% -3.00%
10th Percentile £30,000 £28,750 £27,500
90th Percentile £88,750 £85,000 £80,750
UK excluding London median annual salary £45,000 £45,000 £42,000
% change year-on-year - +7.14% -1.18%

Clustering
Job Vacancy Trend

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

Job vacancy trend for Clustering in the UK

Clustering
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Clustering.

Salary trend for Clustering in the UK

Clustering
Salary Histogram

The salary distribution of IT jobs citing Clustering over the 6 months to 23 May 2019.

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 23 May 2019. 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 -4 738 £52,500 +5.00% 18
UK excluding London -53 414 £47,500 +5.56% 18
London +65 352 £60,000 - 3
South East -31 114 £52,500 +10.53% 8
Midlands +16 99 £45,000 -10.00% 1
North of England -3 93 £43,500 +15.23% 4
West Midlands +49 80 £45,500 +1.11% 1
South West +5 61 £50,000 +16.28% 1
North West +28 53 £40,000 -11.11% 2
Yorkshire -9 35 £55,000 +57.14% 1
Scotland +2 21 £45,000 +5.88% 3
East Midlands -18 19 £45,000 -10.00%
East of England +36 16 £56,000 +24.44% 1
Wales +13 11 £40,000 -19.19%
North East +16 6 £40,000 +23.08% 1

For the 6 months to 23 May 2019, 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.

1 482 (61.17%) Windows
2 417 (52.92%) SQL
3 357 (45.30%) Microsoft
4 349 (44.29%) Windows Server
5 328 (41.62%) SQL Server
6 322 (40.86%) VMware
7 314 (39.85%) Active Directory
8 235 (29.82%) Microsoft Azure
9 232 (29.44%) Linux
10 226 (28.68%) PowerShell
11 222 (28.17%) High Availability
12 190 (24.11%) VMware Infrastructure
13 184 (23.35%) Replication
14 182 (23.10%) DNS
15 171 (21.70%) Disaster Recovery
16 166 (21.07%) Office 365
17 156 (19.80%) Hyper-V
18 150 (19.04%) Performance Tuning
19 149 (18.91%) SQL Server Integration Services
19 149 (18.91%) Cisco
20 148 (18.78%) ITIL
21 146 (18.53%) DHCP
21 146 (18.53%) Finance
22 145 (18.40%) Infrastructure Engineering
23 141 (17.89%) Microsoft Clustering
24 138 (17.51%) Windows Server 2012
25 133 (16.88%) T-SQL
25 133 (16.88%) SQL Server Reporting Services
26 132 (16.75%) Microsoft Certification
26 132 (16.75%) Amazon AWS

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 89 (11.29%) IIS
2 75 (9.52%) SharePoint
3 74 (9.39%) MS Exchange
4 25 (3.17%) Apache
4 25 (3.17%) Exchange Server 2010
5 24 (3.05%) Exchange Server 2013
6 23 (2.92%) Tomcat
7 18 (2.28%) BizTalk Server
8 17 (2.16%) Elasticsearch
9 9 (1.14%) Exchange Server 2007
10 8 (1.02%) OpenStack
11 7 (0.89%) SAS
11 7 (0.89%) SharePoint 2013
12 6 (0.76%) Skype for Business
13 5 (0.63%) JBoss
13 5 (0.63%) nginx
14 4 (0.51%) Anypoint
14 4 (0.51%) Apache Spark
15 3 (0.38%) CMS
15 3 (0.38%) WildFly
Applications
1 35 (4.44%) Microsoft Office
2 10 (1.27%) MS Visio
3 6 (0.76%) InfoPath
4 2 (0.25%) Microsoft Excel
5 1 (0.13%) Abaqus
5 1 (0.13%) Microsoft PowerPoint
Business Applications
1 6 (0.76%) Dynamics CRM
2 1 (0.13%) Oracle BRM
Cloud Services
1 235 (29.82%) Microsoft Azure
2 166 (21.07%) Office 365
3 132 (16.75%) Amazon AWS
4 40 (5.08%) Azure Active Directory
5 39 (4.95%) IaaS
6 34 (4.31%) SaaS
7 27 (3.43%) PaaS
8 21 (2.66%) Google Cloud Platform
9 19 (2.41%) Power Platform
10 13 (1.65%) Cloud Computing
11 11 (1.40%) Amazon EC2
11 11 (1.40%) Amazon ELB
11 11 (1.40%) Amazon EMR
11 11 (1.40%) Amazon S3
12 8 (1.02%) Azure Data Factory
13 7 (0.89%) Azure Stack
14 6 (0.76%) Cortana Intelligence Suite
14 6 (0.76%) npm
14 6 (0.76%) NuGet
15 5 (0.63%) AWS CloudFormation
Communications & Networking
1 182 (23.10%) DNS
2 146 (18.53%) DHCP
3 123 (15.61%) SAN
4 112 (14.21%) Firewall
5 90 (11.42%) WAN
6 81 (10.28%) TCP/IP
7 76 (9.64%) VLAN
8 67 (8.50%) LAN
9 53 (6.73%) iSCSI
10 49 (6.22%) NAS
11 44 (5.58%) VPN
12 37 (4.70%) Wireless
13 30 (3.81%) Internet
14 29 (3.68%) VoIP
15 28 (3.55%) MPLS
15 28 (3.55%) NetScaler
16 27 (3.43%) HTTP
17 24 (3.05%) Fibre Channel
18 22 (2.79%) SSL
19 18 (2.28%) Network Security
Database & Business Intelligence
1 328 (41.62%) SQL Server
2 149 (18.91%) SQL Server Integration Services
3 133 (16.88%) SQL Server Reporting Services
4 101 (12.82%) MongoDB
4 101 (12.82%) SQL Server Analysis Services
5 95 (12.06%) MySQL
6 86 (10.91%) SQL Server 2008
7 82 (10.41%) SQL Server 2016
8 78 (9.90%) SQL Server 2012
9 76 (9.64%) PostgreSQL
10 73 (9.26%) Relational Database
11 65 (8.25%) Data Warehouse
12 63 (7.99%) SQL Server 2014
13 61 (7.74%) NoSQL
14 47 (5.96%) RDBMS
15 45 (5.71%) Amazon RDS
16 41 (5.20%) Microsoft Analysis Services
17 38 (4.82%) Big Data
18 31 (3.93%) SQL Server 2005
19 29 (3.68%) Azure SQL Database
Development Applications
1 29 (3.68%) Jenkins
2 28 (3.55%) Git (software)
3 22 (2.79%) Subversion
4 19 (2.41%) JIRA
5 17 (2.16%) Team Foundation Server
6 14 (1.78%) Octopus Deploy
7 12 (1.52%) TeamCity
8 9 (1.14%) Visual Studio
9 8 (1.02%) SQL Server Management Studio (SSMS)
10 5 (0.63%) Atlassian Bamboo
10 5 (0.63%) Eclipse
10 5 (0.63%) Maven
10 5 (0.63%) MSI
10 5 (0.63%) Oracle Forms
11 4 (0.51%) Cucumber
12 2 (0.25%) Sonatype Nexus
13 1 (0.13%) Hudson
13 1 (0.13%) WiX
General
1 146 (18.53%) Finance
2 36 (4.57%) Banking
3 24 (3.05%) Retail
4 21 (2.66%) Advertising
5 17 (2.16%) Legal
6 14 (1.78%) Telecoms
7 11 (1.40%) Law
7 11 (1.40%) Marketing
8 9 (1.14%) Manufacturing
9 8 (1.02%) Financial Institution
10 4 (0.51%) Electronics
11 3 (0.38%) Aerospace
11 3 (0.38%) Automotive
11 3 (0.38%) Back Office
11 3 (0.38%) Billing
11 3 (0.38%) Publishing
12 2 (0.25%) Games
12 2 (0.25%) Spanish Language
13 1 (0.13%) Military
Job Titles
1 251 (31.85%) DBA
2 203 (25.76%) SQL DBA
3 135 (17.13%) Administrator
4 129 (16.37%) Infrastructure Engineer
5 74 (9.39%) SQL Server DBA
6 56 (7.11%) Analyst
7 55 (6.98%) Architect
8 52 (6.60%) Senior DBA
9 45 (5.71%) Senior Infrastructure Engineer
10 43 (5.46%) Developer
11 38 (4.82%) Senior SQL DBA
12 35 (4.44%) IT Engineer
13 33 (4.19%) Azure Engineer
14 30 (3.81%) Infrastructure Analyst
15 29 (3.68%) Azure Infrastructure Engineer
16 27 (3.43%) Cloud Architect
17 26 (3.30%) 3rd Line Engineer
18 25 (3.17%) Systems Engineer
19 23 (2.92%) Senior Analyst
19 23 (2.92%) Support Engineer
Libraries, Frameworks & Software Standards
1 34 (4.31%) Web Services
2 31 (3.93%) .NET
3 29 (3.68%) JSON
4 22 (2.79%) RabbitMQ
5 20 (2.54%) XML
6 17 (2.16%) Middleware
7 16 (2.03%) LDAP
7 16 (2.03%) Spring
8 14 (1.78%) JDBC
8 14 (1.78%) Kafka
9 12 (1.52%) RESTful
10 11 (1.40%) ActiveMQ
11 10 (1.27%) Guava
12 9 (1.14%) ASP.NET
12 9 (1.14%) HTML
13 8 (1.02%) AngularJS
13 8 (1.02%) JMS
14 7 (0.89%) .NET Framework
14 7 (0.89%) Entity Framework
14 7 (0.89%) jQuery
Miscellaneous
1 184 (23.35%) Replication
2 81 (10.28%) Data Centre
3 65 (8.25%) Analytical Skills
4 53 (6.73%) Self-Motivation
5 39 (4.95%) PKI
6 35 (4.44%) Management Information System
7 33 (4.19%) Fat Client
7 33 (4.19%) Thin Client
8 28 (3.55%) Enterprise Storage
9 27 (3.43%) Enterprise Software
10 20 (2.54%) EMC VNX
11 16 (2.03%) Public Cloud
12 13 (1.65%) Driving Licence
13 12 (1.52%) Hedge funds
13 12 (1.52%) Linux Command Line
14 10 (1.27%) Fintech
15 9 (1.14%) User Experience
16 8 (1.02%) Reference Data
16 8 (1.02%) Smartphone
17 7 (0.89%) HP Storage
Operating Systems
1 482 (61.17%) Windows
2 349 (44.29%) Windows Server
3 232 (29.44%) Linux
4 138 (17.51%) Windows Server 2012
5 126 (15.99%) Windows Server 2008
6 67 (8.50%) Red Hat Enterprise Linux
7 53 (6.73%) Unix
8 31 (3.93%) Ubuntu
9 29 (3.68%) Windows 10
10 25 (3.17%) Windows 7
11 22 (2.79%) AIX
11 22 (2.79%) CentOS
12 20 (2.54%) Windows Server 2003
13 13 (1.65%) Debian
14 10 (1.27%) Windows 8
15 9 (1.14%) FreeBSD
16 4 (0.51%) Mac OS X
16 4 (0.51%) Solaris
17 3 (0.38%) Android
17 3 (0.38%) Data ONTAP
Processes & Methodologies
1 222 (28.17%) High Availability
2 171 (21.70%) Disaster Recovery
3 150 (19.04%) Performance Tuning
4 148 (18.78%) ITIL
5 145 (18.40%) Infrastructure Engineering
6 101 (12.82%) Migration
7 99 (12.56%) DevOps
8 97 (12.31%) Problem-Solving
9 96 (12.18%) Agile Software Development
10 78 (9.90%) Load Balancing
11 77 (9.77%) Business Intelligence
12 61 (7.74%) Change Control
13 60 (7.61%) Performance Monitoring
14 58 (7.36%) Database Mirroring
15 52 (6.60%) Database Security
16 50 (6.35%) Project Management
17 49 (6.22%) Configuration Management
18 47 (5.96%) Task Automation
19 45 (5.71%) Line Management
20 44 (5.58%) Capacity Planning
Programming Languages
1 417 (52.92%) SQL
2 226 (28.68%) PowerShell
3 133 (16.88%) T-SQL
4 108 (13.71%) Python
5 52 (6.60%) Java
6 47 (5.96%) Shell Script
7 38 (4.82%) Ruby
8 35 (4.44%) Bash Shell
9 34 (4.31%) Perl
10 26 (3.30%) C#
10 26 (3.30%) Go
11 24 (3.05%) JavaScript
12 18 (2.28%) VBScript
13 14 (1.78%) Java 8
13 14 (1.78%) PHP
14 12 (1.52%) C
14 12 (1.52%) PL/SQL
15 9 (1.14%) R
16 7 (0.89%) ActionScript
16 7 (0.89%) ActionScript 2.0
Qualifications
1 132 (16.75%) Microsoft Certification
2 91 (11.55%) MCSA
3 81 (10.28%) MCSE
4 58 (7.36%) VMware Certified Professional (VCP)
5 49 (6.22%) Degree
6 43 (5.46%) Security Cleared
7 35 (4.44%) Cisco Certification
8 22 (2.79%) ITIL Certification
9 21 (2.66%) CCNA
10 19 (2.41%) DV Cleared
11 18 (2.28%) CCNP
12 17 (2.16%) SC Cleared
13 13 (1.65%) MCITP
13 13 (1.65%) MCP
14 11 (1.40%) HND
15 9 (1.14%) VCP5
16 8 (1.02%) AWS Certification
16 8 (1.02%) Citrix Certification
17 7 (0.89%) CCA
17 7 (0.89%) MCDBA
Quality Assurance & Compliance
1 45 (5.71%) SLA
2 17 (2.16%) GDPR
3 16 (2.03%) ISO/IEC 27001
4 8 (1.02%) PCI DSS
5 6 (0.76%) HIPAA
6 3 (0.38%) QA
7 2 (0.25%) PMO
7 2 (0.25%) PSD2
8 1 (0.13%) COBIT
8 1 (0.13%) Disclosure Scotland
8 1 (0.13%) ISO 14001
8 1 (0.13%) ISO 9001
System Software
1 314 (39.85%) Active Directory
2 190 (24.11%) VMware Infrastructure
3 156 (19.80%) Hyper-V
4 77 (9.77%) XenApp
5 53 (6.73%) vSphere
6 45 (5.71%) Docker
7 35 (4.44%) VMware ESXi
8 30 (3.81%) XenDesktop
9 28 (3.55%) Microsoft App-V
10 20 (2.54%) Oracle RAC
11 18 (2.28%) Virtual Machines
12 16 (2.03%) NFS
13 15 (1.90%) DFS Replication
13 15 (1.90%) KVM
14 14 (1.78%) Terminal Services
15 13 (1.65%) Virtual Servers
16 11 (1.40%) Xen
17 8 (1.02%) Btrfs
17 8 (1.02%) Ceph
17 8 (1.02%) DRBD
Systems Management
1 141 (17.89%) Microsoft Clustering
2 122 (15.48%) SCCM
3 114 (14.47%) Failover Clustering
4 63 (7.99%) Ansible
5 61 (7.74%) SCOM
6 45 (5.71%) Puppet
7 44 (5.58%) WSUS
8 30 (3.81%) Opscode Chef
9 22 (2.79%) Terraform
10 21 (2.66%) Kubernetes
10 21 (2.66%) Perfmon
11 19 (2.41%) Nagios
12 18 (2.28%) Backup Exec
12 18 (2.28%) Prometheus
13 17 (2.16%) Enterprise Manager Cloud Control
14 15 (1.90%) Grafana
15 14 (1.78%) vMotion
16 13 (1.65%) NetBackup
17 11 (1.40%) Docker Swarm
17 11 (1.40%) ZABBIX
Vendors
1 357 (45.30%) Microsoft
2 322 (40.86%) VMware
3 149 (18.91%) Cisco
4 115 (14.59%) Citrix
5 105 (13.32%) HP
6 102 (12.94%) Oracle
7 68 (8.63%) Dell
8 64 (8.12%) Veeam
9 52 (6.60%) Red Hat
10 50 (6.35%) EMC
11 44 (5.58%) NetApp
12 40 (5.08%) IBM
13 39 (4.95%) SolarWinds
14 30 (3.81%) RedGate
15 24 (3.05%) Google
16 20 (2.54%) ServiceNow
17 19 (2.41%) SAP
17 19 (2.41%) Tableau
18 17 (2.16%) Sybase
19 16 (2.03%) Veritas