Period
to 28 February 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 28 February 2020 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
28 Feb 2020
Same period 2019 Same period 2018
Rank 540 490 458
Rank change year-on-year -50 -32 -48
Permanent jobs citing Clustering 538 867 1,138
As % of all permanent IT jobs advertised in the UK 0.44% 0.57% 0.65%
As % of the Miscellaneous category 1.13% 1.45% 1.67%
Number of salaries quoted 409 733 984
UK median annual salary £50,000 £52,500 £50,000
Median salary % change year-on-year -4.76% +5.00% -
10th Percentile £35,000 £35,250 £31,625
90th Percentile £72,500 £77,500 £77,500
UK excluding London median annual salary £45,000 £45,000 £44,000
% change year-on-year - +2.27% -2.22%

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 47,412 59,727 67,987
As % of all permanent IT jobs advertised in the UK 38.56% 39.56% 38.58%
Number of salaries quoted 36,445 45,263 53,295
UK median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +3.09%
10th Percentile £30,250 £29,500 £28,000
90th Percentile £92,500 £87,500 £82,500
UK excluding London median annual salary £46,799 £45,000 £43,500
% change year-on-year +4.00% +3.45% +2.35%

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 28 February 2020.

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 28 February 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 -56 507 £52,500 - 101
UK excluding London +31 357 £45,000 - 79
London -113 164 £60,000 - 31
South East +55 155 £49,000 +3.16% 21
North of England +63 78 £42,500 - 19
North West +39 56 £42,500 - 9
East of England +81 44 £45,000 -25.00% 8
Midlands -24 37 £45,000 +4.05% 11
West Midlands +10 33 £45,000 +4.05% 9
South West +30 28 £52,500 +5.00% 11
Yorkshire +32 16 £50,000 -9.09% 6
Wales -3 14 £37,500 -6.25% 5
North East +9 6 £38,750 -3.13% 4
East Midlands -2 3 £44,000 +35.38% 2
Northern Ireland +17 1 £50,000 -

For the 6 months to 28 February 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.

1 355 (65.99%) Windows
2 300 (55.76%) Microsoft
3 250 (46.47%) Active Directory
4 246 (45.72%) SQL Server
5 229 (42.57%) SQL
6 227 (42.19%) Azure
7 185 (34.39%) Windows Server
8 180 (33.46%) VMware
9 171 (31.78%) PowerShell
10 148 (27.51%) Linux
11 146 (27.14%) Hyper-V
12 139 (25.84%) High Availability
13 127 (23.61%) DNS
14 115 (21.38%) Replication
15 114 (21.19%) VMware Infrastructure
16 111 (20.63%) AWS
16 111 (20.63%) Infrastructure Engineering
17 109 (20.26%) ITIL
18 104 (19.33%) DHCP
19 102 (18.96%) Firewall
20 100 (18.59%) Office 365
21 90 (16.73%) SAN
22 89 (16.54%) Agile Software Development
23 86 (15.99%) Oracle
24 82 (15.24%) Cisco
25 81 (15.06%) Disaster Recovery
26 80 (14.87%) Degree
27 78 (14.50%) SLA
28 75 (13.94%) MS Exchange
29 74 (13.75%) IIS

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 75 (13.94%) MS Exchange
2 74 (13.75%) IIS
3 44 (8.18%) SharePoint
4 20 (3.72%) Anypoint
5 18 (3.35%) Tomcat
6 13 (2.42%) Exchange Server 2010
7 11 (2.04%) Skype for Business
8 9 (1.67%) Apache
8 9 (1.67%) SAS
9 7 (1.30%) WildFly
10 6 (1.12%) Exchange Server 2007
10 6 (1.12%) nginx
11 5 (0.93%) JBoss
12 4 (0.74%) Elasticsearch
12 4 (0.74%) Liferay
12 4 (0.74%) SharePoint 2010
12 4 (0.74%) SharePoint 2013
13 3 (0.56%) Exchange Server 2013
13 3 (0.56%) OpenStack
13 3 (0.56%) WebLogic
Applications
1 22 (4.09%) Microsoft Office
2 4 (0.74%) Microsoft Excel
3 2 (0.37%) Abaqus
4 1 (0.19%) Microsoft PowerPoint
4 1 (0.19%) Microsoft Project
4 1 (0.19%) MS Visio
Business Applications
1 7 (1.30%) Oracle Applications
2 4 (0.74%) Payment Gateway
3 3 (0.56%) PeopleSoft HCM
3 3 (0.56%) SAP Hybris
3 3 (0.56%) SAP S/4HANA
4 2 (0.37%) Relativity
4 2 (0.37%) Remedy ITSM
5 1 (0.19%) Dynamics CRM
5 1 (0.19%) SAP Business One
Cloud Services
1 227 (42.19%) Azure
2 111 (20.63%) AWS
3 100 (18.59%) Office 365
4 44 (8.18%) IaaS
5 42 (7.81%) SaaS
6 35 (6.51%) Cloud Computing
7 33 (6.13%) Azure Active Directory
7 33 (6.13%) PaaS
8 21 (3.90%) Power Platform
9 11 (2.04%) GCP
10 9 (1.67%) Virtual Private Cloud
11 8 (1.49%) Serverless
12 6 (1.12%) Amazon SQS
12 6 (1.12%) AWS Lambda
13 5 (0.93%) Amazon S3
14 4 (0.74%) Amazon EC2
14 4 (0.74%) Amazon ELB
15 3 (0.56%) AWS CloudFormation
15 3 (0.56%) OneDrive
16 2 (0.37%) Azure Functions
Communications & Networking
1 127 (23.61%) DNS
2 104 (19.33%) DHCP
3 102 (18.96%) Firewall
4 90 (16.73%) SAN
5 69 (12.83%) TCP/IP
6 62 (11.52%) WAN
7 55 (10.22%) LAN
8 49 (9.11%) VPN
9 39 (7.25%) NAS
9 39 (7.25%) Wireless
10 34 (6.32%) HTTP
11 32 (5.95%) iSCSI
12 30 (5.58%) Fibre Channel
13 28 (5.20%) WLAN
14 27 (5.02%) SNMP
15 25 (4.65%) VLAN
16 21 (3.90%) Multicast
17 20 (3.72%) SMTP
18 17 (3.16%) NetScaler
18 17 (3.16%) VoIP
Database & Business Intelligence
1 246 (45.72%) SQL Server
2 72 (13.38%) SQL Server Reporting Services
3 71 (13.20%) SQL Server Integration Services
4 51 (9.48%) MySQL
5 36 (6.69%) SQL Server 2008
6 35 (6.51%) Relational Database
7 31 (5.76%) SQL Server Analysis Services
8 30 (5.58%) SQL Server 2017
9 29 (5.39%) SQL Server 2012
10 28 (5.20%) RDBMS
11 27 (5.02%) SQL Server 2005
11 27 (5.02%) SQL Server 2014
12 26 (4.83%) Oracle Database
13 24 (4.46%) Amazon RDS
14 23 (4.28%) Data Warehouse
15 21 (3.90%) Power BI
16 20 (3.72%) Azure SQL Database
16 20 (3.72%) PostgreSQL
17 16 (2.97%) SQL Server 2016
18 13 (2.42%) Data Lake
Development Applications
1 24 (4.46%) Git (software)
2 21 (3.90%) Subversion
3 10 (1.86%) Maven
4 9 (1.67%) JIRA
5 8 (1.49%) Hudson
5 8 (1.49%) Postman
5 8 (1.49%) Visual Studio
6 6 (1.12%) Ant
6 6 (1.12%) Octopus Deploy
7 5 (0.93%) Eclipse
7 5 (0.93%) TeamCity
8 4 (0.74%) GitLab
8 4 (0.74%) tSQLt
9 2 (0.37%) Bitbucket
9 2 (0.37%) SQL Server Management Studio (SSMS)
9 2 (0.37%) Team Foundation Server
10 1 (0.19%) Atlassian Bamboo
10 1 (0.19%) Jenkins
10 1 (0.19%) JUnit
General
1 62 (11.52%) Finance
2 33 (6.13%) Telecoms
3 31 (5.76%) Manufacturing
4 25 (4.65%) Retail
5 23 (4.28%) Public Sector
6 20 (3.72%) Marketing
7 18 (3.35%) Electronics
8 14 (2.60%) Games
9 10 (1.86%) Banking
10 9 (1.67%) Automotive
11 5 (0.93%) Legal
12 4 (0.74%) Aerospace
13 3 (0.56%) Advertising
13 3 (0.56%) Military
14 2 (0.37%) Back Office
14 2 (0.37%) Law
14 2 (0.37%) Local Government
14 2 (0.37%) Publishing
15 1 (0.19%) Financial Institution
15 1 (0.19%) Multimedia
Job Titles
1 119 (22.12%) DBA
2 107 (19.89%) Administrator
3 86 (15.99%) SQL DBA
4 85 (15.80%) Infrastructure Engineer
5 57 (10.59%) Architect
6 48 (8.92%) Consultant
7 46 (8.55%) Systems Administrator
8 37 (6.88%) 3rd Line Engineer
9 33 (6.13%) Support Engineer
10 29 (5.39%) Analyst
11 24 (4.46%) SQL Server DBA
12 23 (4.28%) DevOps Engineer
12 23 (4.28%) IT Engineer
13 22 (4.09%) Technical Consultant
14 21 (3.90%) Server Engineer
15 19 (3.53%) Developer
15 19 (3.53%) Technical Architect
16 18 (3.35%) Operations Engineer
17 17 (3.16%) Infrastructure Consultant
17 17 (3.16%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 20 (3.72%) LAMP
2 19 (3.53%) LDAP
3 13 (2.42%) .NET
4 11 (2.04%) SAML
5 10 (1.86%) RabbitMQ
6 9 (1.67%) Spring
6 9 (1.67%) Web Services
7 7 (1.30%) Akka
7 7 (1.30%) Middleware
7 7 (1.30%) OpenJDK
8 6 (1.12%) 802.1X
8 6 (1.12%) ASP.NET
9 5 (0.93%) CSS
9 5 (0.93%) Flash
9 5 (0.93%) HTML
9 5 (0.93%) JDBC
10 4 (0.74%) JSP
10 4 (0.74%) Kafka
10 4 (0.74%) Servlets
10 4 (0.74%) Spring MVC
Miscellaneous
1 115 (21.38%) Replication
2 60 (11.15%) Data Centre
3 30 (5.58%) Analytical Skills
4 23 (4.28%) Enterprise Software
4 23 (4.28%) Self-Motivation
5 21 (3.90%) Management Information System
6 18 (3.35%) Public Cloud
7 16 (2.97%) EMC VNX
7 16 (2.97%) PKI
7 16 (2.97%) Private Cloud
8 15 (2.79%) Hybrid Cloud
9 13 (2.42%) IPTV
9 13 (2.42%) MPEG
9 13 (2.42%) Video\Live Streaming
10 10 (1.86%) Linux Command Line
11 8 (1.49%) Cloud Native
12 7 (1.30%) Reinsurance
13 6 (1.12%) Enterprise Storage
13 6 (1.12%) Social Network
14 5 (0.93%) User Experience
Operating Systems
1 355 (65.99%) Windows
2 185 (34.39%) Windows Server
3 148 (27.51%) Linux
4 49 (9.11%) Unix
5 45 (8.36%) Windows Server 2008
5 45 (8.36%) Windows Server 2012
6 26 (4.83%) Solaris
7 22 (4.09%) Ubuntu
7 22 (4.09%) Windows 10
8 21 (3.90%) CentOS
9 20 (3.72%) Red Hat Enterprise Linux
9 20 (3.72%) SUSE
10 16 (2.97%) Windows 7
11 11 (2.04%) Windows 8
12 8 (1.49%) AIX
12 8 (1.49%) Oracle Linux
13 4 (0.74%) SUSE Linux Enterprise Server
13 4 (0.74%) VMS
14 3 (0.56%) Debian
14 3 (0.56%) Fedora
Processes & Methodologies
1 139 (25.84%) High Availability
2 111 (20.63%) Infrastructure Engineering
3 109 (20.26%) ITIL
4 89 (16.54%) Agile Software Development
5 81 (15.06%) Disaster Recovery
6 71 (13.20%) DevOps
6 71 (13.20%) Performance Tuning
7 64 (11.90%) Load Balancing
8 49 (9.11%) Migration
9 46 (8.55%) Analytics
10 45 (8.36%) Performance Monitoring
11 43 (7.99%) Problem Management
12 40 (7.43%) Information Security
13 38 (7.06%) Business Intelligence
14 31 (5.76%) Problem-Solving
15 29 (5.39%) Incident Management
16 26 (4.83%) Continuous Integration
17 24 (4.46%) Capacity Planning
17 24 (4.46%) Preventative Maintenance
18 23 (4.28%) Decision-Making
Programming Languages
1 229 (42.57%) SQL
2 171 (31.78%) PowerShell
3 59 (10.97%) T-SQL
4 56 (10.41%) Python
5 38 (7.06%) Bash Shell
6 35 (6.51%) Java
7 31 (5.76%) Ruby
8 25 (4.65%) Shell Script
9 17 (3.16%) VBScript
10 10 (1.86%) C#
10 10 (1.86%) JavaScript
11 6 (1.12%) C
11 6 (1.12%) Perl
11 6 (1.12%) PL/SQL
11 6 (1.12%) R
12 4 (0.74%) ABAP
13 3 (0.56%) MATLAB
13 3 (0.56%) PHP
14 2 (0.37%) Go
14 2 (0.37%) VBA
Qualifications
1 80 (14.87%) Degree
2 63 (11.71%) Microsoft Certification
3 51 (9.48%) Security Cleared
4 37 (6.88%) SC Cleared
5 36 (6.69%) MCSE
6 22 (4.09%) MCSA
7 20 (3.72%) MCP
8 15 (2.79%) Cisco Certification
9 14 (2.60%) Computer Science Degree
10 13 (2.42%) DV Cleared
11 11 (2.04%) CCNA
12 10 (1.86%) VMware Certified Professional (VCP)
13 9 (1.67%) CCNP
13 9 (1.67%) ITIL Certification
14 5 (0.93%) MCITP
14 5 (0.93%) VCP5
15 2 (0.37%) HND
16 1 (0.19%) CCA
16 1 (0.19%) Citrix Certification
16 1 (0.19%) PhD
Quality Assurance & Compliance
1 78 (14.50%) SLA
2 42 (7.81%) ISO/IEC 27001
3 22 (4.09%) ISO 9001
4 10 (1.86%) Cyber Essentials
4 10 (1.86%) Data Quality
4 10 (1.86%) QA
5 5 (0.93%) PCI DSS
6 3 (0.56%) GDPR
6 3 (0.56%) NCSC
7 2 (0.37%) DICOM
7 2 (0.37%) HL7
7 2 (0.37%) NIST
7 2 (0.37%) RMADS
System Software
1 250 (46.47%) Active Directory
2 146 (27.14%) Hyper-V
3 114 (21.19%) VMware Infrastructure
4 58 (10.78%) Virtual Machines
5 37 (6.88%) VMware ESXi
6 34 (6.32%) Firmware
7 33 (6.13%) XenApp
8 31 (5.76%) vSphere
9 21 (3.90%) Docker
10 14 (2.60%) XenDesktop
11 13 (2.42%) Virtual Servers
12 8 (1.49%) Xen
13 7 (1.30%) Apache ZooKeeper
13 7 (1.30%) Postfix
14 6 (1.12%) DRBD
14 6 (1.12%) Oracle RAC
14 6 (1.12%) vCloud
14 6 (1.12%) Virtual Desktop
14 6 (1.12%) VMware NSX
15 5 (0.93%) VMware Server
Systems Management
1 72 (13.38%) Microsoft Clustering
2 70 (13.01%) SCCM
3 44 (8.18%) Failover Clustering
4 42 (7.81%) WSUS
5 30 (5.58%) Puppet
6 24 (4.46%) Ansible
7 21 (3.90%) Nagios
7 21 (3.90%) SCVMM
8 20 (3.72%) Opscode Chef
9 19 (3.53%) SCOM
9 19 (3.53%) vCenter Server
10 18 (3.35%) ZABBIX
11 16 (2.97%) XenMobile
12 14 (2.60%) Terraform
13 11 (2.04%) Kubernetes
14 8 (1.49%) Prometheus
15 7 (1.30%) Pacemaker
15 7 (1.30%) Single Sign-On
15 7 (1.30%) vRealize
16 6 (1.12%) HAProxy
Vendors
1 300 (55.76%) Microsoft
2 180 (33.46%) VMware
3 86 (15.99%) Oracle
4 82 (15.24%) Cisco
5 54 (10.04%) Citrix
6 43 (7.99%) Red Hat
7 42 (7.81%) HP
8 30 (5.58%) EMC
9 27 (5.02%) Dell
10 24 (4.46%) SAP
11 23 (4.28%) Veeam
12 20 (3.72%) MuleSoft
13 19 (3.53%) 3PAR
13 19 (3.53%) NetApp
14 18 (3.35%) ServiceNow
15 16 (2.97%) Brocade
15 16 (2.97%) Juniper
16 14 (2.60%) Arista
16 14 (2.60%) Isilon
17 13 (2.42%) Emulex