Period
to 8 December 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 8 December 2019 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
8 Dec 2019
Same period 2018 Same period 2017
Rank 548 509 431
Rank change year-on-year -39 -78 -34
Permanent jobs citing Clustering 600 883 1,304
As % of all permanent IT jobs advertised in the UK 0.45% 0.56% 0.73%
As % of the Miscellaneous category 1.16% 1.40% 1.82%
Number of salaries quoted 451 719 1,130
UK median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £36,250 £33,000 £33,750
90th Percentile £80,000 £82,500 £77,500
UK excluding London median annual salary £47,500 £43,500 £42,500
% change year-on-year +9.20% +2.35% -10.53%

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 51,509 63,021 71,462
As % of all permanent IT jobs advertised in the UK 38.76% 39.66% 39.74%
Number of salaries quoted 39,268 48,205 53,595
UK median annual salary £54,486 £52,500 £50,000
Median salary % change year-on-year +3.78% +5.00% -
10th Percentile £30,000 £29,250 £27,500
90th Percentile £91,250 £86,250 £82,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

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 8 December 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 8 December 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 -35 563 £52,500 - 94
UK excluding London +22 363 £47,500 +9.20% 66
London -53 213 £60,000 - 33
South East +27 138 £50,000 +1.01% 14
North of England +16 80 £47,500 +18.75% 23
North West +26 52 £37,500 -10.71% 13
South West +23 50 £47,500 -13.64% 7
Midlands -29 42 £43,750 +2.94% 4
East of England +82 39 £45,000 -35.71% 13
West Midlands +4 36 £42,500 -1.73% 1
Yorkshire +13 27 £55,000 +57.14% 10
Wales +1 8 £37,500 -2.60% 5
Scotland -6 6 £44,000 +15.79%
East Midlands -18 6 £50,000 +42.86% 3
North East +16 1 £49,482 +23.71%

For the 6 months to 8 December 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.

1 387 (64.50%) Windows
2 297 (49.50%) Microsoft
3 274 (45.67%) SQL
4 273 (45.50%) SQL Server
5 249 (41.50%) Active Directory
6 218 (36.33%) Azure
7 209 (34.83%) VMware
8 200 (33.33%) Linux
9 194 (32.33%) Windows Server
10 170 (28.33%) High Availability
11 168 (28.00%) PowerShell
12 162 (27.00%) Replication
13 139 (23.17%) Hyper-V
14 134 (22.33%) VMware Infrastructure
15 133 (22.17%) AWS
16 115 (19.17%) Infrastructure Engineering
17 114 (19.00%) Agile Software Development
18 110 (18.33%) DNS
19 109 (18.17%) Cisco
20 107 (17.83%) ITIL
21 104 (17.33%) Disaster Recovery
22 99 (16.50%) Firewall
23 98 (16.33%) Finance
23 98 (16.33%) SAN
24 95 (15.83%) Microsoft Clustering
25 94 (15.67%) Performance Tuning
26 90 (15.00%) MySQL
27 88 (14.67%) DHCP
28 87 (14.50%) MS Exchange
29 86 (14.33%) Oracle

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 87 (14.50%) MS Exchange
2 64 (10.67%) IIS
3 58 (9.67%) SharePoint
4 29 (4.83%) Exchange Server 2010
5 18 (3.00%) Anypoint
6 17 (2.83%) Apache
6 17 (2.83%) SAS
6 17 (2.83%) Tomcat
7 12 (2.00%) Elasticsearch
8 7 (1.17%) nginx
9 6 (1.00%) SharePoint 2010
9 6 (1.00%) SharePoint 2013
9 6 (1.00%) Skype for Business
10 5 (0.83%) Exchange Server 2007
11 4 (0.67%) Apache Spark
11 4 (0.67%) Exchange Server 2013
12 3 (0.50%) Confluence
12 3 (0.50%) Jetty
12 3 (0.50%) OpenStack
12 3 (0.50%) WordPress
Applications
1 25 (4.17%) Microsoft Office
2 6 (1.00%) Microsoft Excel
3 5 (0.83%) InfoPath
4 2 (0.33%) Abaqus
Business Applications
1 4 (0.67%) Oracle Applications
1 4 (0.67%) Payment Gateway
2 3 (0.50%) SAP Hybris
2 3 (0.50%) SAP S/4HANA
3 1 (0.17%) Dynamics CRM
3 1 (0.17%) SAP Business One
Cloud Services
1 218 (36.33%) Azure
2 133 (22.17%) AWS
3 84 (14.00%) Office 365
4 37 (6.17%) IaaS
5 31 (5.17%) SaaS
6 29 (4.83%) Azure Active Directory
7 28 (4.67%) PaaS
8 26 (4.33%) Cloud Computing
9 20 (3.33%) Power Platform
10 15 (2.50%) Amazon EC2
10 15 (2.50%) Amazon ELB
10 15 (2.50%) Amazon S3
11 12 (2.00%) Amazon EMR
12 9 (1.50%) GCP
12 9 (1.50%) Virtual Private Cloud
13 8 (1.33%) AWS CloudFormation
13 8 (1.33%) Serverless
14 6 (1.00%) Amazon SQS
14 6 (1.00%) AWS Lambda
15 4 (0.67%) Azure Stack
Communications & Networking
1 110 (18.33%) DNS
2 99 (16.50%) Firewall
3 98 (16.33%) SAN
4 88 (14.67%) DHCP
5 75 (12.50%) TCP/IP
6 70 (11.67%) WAN
7 68 (11.33%) LAN
8 50 (8.33%) NAS
9 49 (8.17%) VPN
10 48 (8.00%) Wireless
11 46 (7.67%) HTTP
12 41 (6.83%) iSCSI
13 35 (5.83%) WLAN
14 34 (5.67%) SNMP
15 33 (5.50%) SMTP
16 31 (5.17%) VLAN
17 30 (5.00%) Multicast
18 28 (4.67%) Fibre Channel
19 27 (4.50%) IGMP
19 27 (4.50%) Structured Cabling
Database & Business Intelligence
1 273 (45.50%) SQL Server
2 90 (15.00%) MySQL
3 76 (12.67%) SQL Server Integration Services
4 72 (12.00%) SQL Server Reporting Services
5 49 (8.17%) Relational Database
6 45 (7.50%) SQL Server 2012
7 42 (7.00%) PostgreSQL
8 41 (6.83%) SQL Server 2008
9 40 (6.67%) RDBMS
10 36 (6.00%) SQL Server 2017
11 35 (5.83%) SQL Server 2014
12 34 (5.67%) MongoDB
13 30 (5.00%) Amazon RDS
13 30 (5.00%) SQL Server Analysis Services
14 29 (4.83%) NoSQL
14 29 (4.83%) SQL Server 2005
15 26 (4.33%) Oracle Database
16 21 (3.50%) Data Warehouse
17 20 (3.33%) Power BI
17 20 (3.33%) SQL Server 2016
Development Applications
1 53 (8.83%) Git (software)
2 42 (7.00%) Subversion
3 16 (2.67%) Maven
4 11 (1.83%) Ant
4 11 (1.83%) Jenkins
4 11 (1.83%) Visual Studio
5 10 (1.67%) JIRA
6 9 (1.50%) Octopus Deploy
7 7 (1.17%) Hudson
7 7 (1.17%) Postman
7 7 (1.17%) TeamCity
8 6 (1.00%) Team Foundation Server
9 5 (0.83%) Oracle Forms
10 4 (0.67%) GitLab
11 3 (0.50%) Eclipse
12 1 (0.17%) JUnit
General
1 98 (16.33%) Finance
2 37 (6.17%) Manufacturing
3 35 (5.83%) Telecoms
4 28 (4.67%) Public Sector
5 27 (4.50%) Marketing
6 23 (3.83%) Electronics
7 18 (3.00%) Banking
8 17 (2.83%) Retail
9 9 (1.50%) Automotive
10 8 (1.33%) Games
11 5 (0.83%) Aerospace
12 4 (0.67%) Advertising
13 1 (0.17%) Back Office
13 1 (0.17%) Investment Banking
13 1 (0.17%) Legal
13 1 (0.17%) Local Government
13 1 (0.17%) Multimedia
Job Titles
1 145 (24.17%) DBA
2 113 (18.83%) Administrator
3 109 (18.17%) SQL DBA
4 92 (15.33%) Infrastructure Engineer
5 71 (11.83%) Architect
6 53 (8.83%) Consultant
7 51 (8.50%) Systems Administrator
8 37 (6.17%) 3rd Line Engineer
9 36 (6.00%) Senior DBA
10 34 (5.67%) DevOps Engineer
10 34 (5.67%) Support Engineer
11 33 (5.50%) SQL Server DBA
12 30 (5.00%) Analyst
13 27 (4.50%) Technical Architect
14 26 (4.33%) Network Administrator
14 26 (4.33%) Senior SQL DBA
15 24 (4.00%) Technical Consultant
16 21 (3.50%) Infrastructure Architect
16 21 (3.50%) Linux Engineer
16 21 (3.50%) Server Engineer
Libraries, Frameworks & Software Standards
1 36 (6.00%) LDAP
2 33 (5.50%) LAMP
3 25 (4.17%) .NET
4 17 (2.83%) 802.1X
4 17 (2.83%) Kafka
4 17 (2.83%) Web Services
5 15 (2.50%) RabbitMQ
6 14 (2.33%) Spring
7 13 (2.17%) HTML
8 12 (2.00%) ActiveMQ
8 12 (2.00%) ASP.NET
8 12 (2.00%) CSS
9 10 (1.67%) jQuery
10 7 (1.17%) Flash
10 7 (1.17%) JSON
11 6 (1.00%) SAP Basis
11 6 (1.00%) XML
12 5 (0.83%) Backbone.js
12 5 (0.83%) Elastic Stack
13 4 (0.67%) REST
Miscellaneous
1 162 (27.00%) Replication
2 78 (13.00%) Data Centre
3 42 (7.00%) Analytical Skills
4 29 (4.83%) Management Information System
5 27 (4.50%) IPTV
5 27 (4.50%) MPEG
5 27 (4.50%) Video\Live Streaming
6 24 (4.00%) Self-Motivation
7 21 (3.50%) PKI
8 20 (3.33%) Linux Command Line
9 17 (2.83%) Enterprise Software
10 16 (2.67%) EMC VNX
11 13 (2.17%) Public Cloud
12 8 (1.33%) Cloud Native
12 8 (1.33%) Enterprise Storage
12 8 (1.33%) Hybrid Cloud
12 8 (1.33%) Private Cloud
13 7 (1.17%) PlayStation
14 6 (1.00%) Hedge funds
14 6 (1.00%) Reinsurance
Operating Systems
1 387 (64.50%) Windows
2 200 (33.33%) Linux
3 194 (32.33%) Windows Server
4 64 (10.67%) Unix
5 55 (9.17%) Windows Server 2012
6 47 (7.83%) Windows Server 2008
7 39 (6.50%) Solaris
8 38 (6.33%) CentOS
8 38 (6.33%) Red Hat Enterprise Linux
8 38 (6.33%) Ubuntu
9 23 (3.83%) Windows 10
10 15 (2.50%) SUSE
11 13 (2.17%) Oracle Linux
11 13 (2.17%) Windows 7
12 8 (1.33%) Windows 8
13 5 (0.83%) AIX
14 4 (0.67%) Debian
15 3 (0.50%) Fedora
15 3 (0.50%) VMS
15 3 (0.50%) VyOS
Processes & Methodologies
1 170 (28.33%) High Availability
2 115 (19.17%) Infrastructure Engineering
3 114 (19.00%) Agile Software Development
4 107 (17.83%) ITIL
5 104 (17.33%) Disaster Recovery
6 94 (15.67%) Performance Tuning
7 81 (13.50%) DevOps
8 77 (12.83%) Load Balancing
9 50 (8.33%) Migration
10 49 (8.17%) Business Intelligence
11 44 (7.33%) Configuration Management
12 43 (7.17%) Analytics
13 39 (6.50%) Performance Monitoring
14 38 (6.33%) Information Security
15 37 (6.17%) Problem-Solving
16 35 (5.83%) Continuous Integration
17 29 (4.83%) Database Mirroring
18 28 (4.67%) Project Delivery
19 27 (4.50%) Business Continuity
19 27 (4.50%) Capacity Planning
Programming Languages
1 274 (45.67%) SQL
2 168 (28.00%) PowerShell
3 73 (12.17%) Python
4 72 (12.00%) T-SQL
5 59 (9.83%) Bash Shell
6 46 (7.67%) Java
7 34 (5.67%) Ruby
8 27 (4.50%) Shell Script
9 22 (3.67%) C#
10 16 (2.67%) Perl
11 14 (2.33%) PHP
12 12 (2.00%) Go
13 10 (1.67%) VBScript
14 9 (1.50%) ABAP
15 7 (1.17%) JavaScript
15 7 (1.17%) R
16 6 (1.00%) PL/SQL
17 4 (0.67%) C
18 3 (0.50%) Java 8
18 3 (0.50%) VB
Qualifications
1 86 (14.33%) Degree
2 66 (11.00%) Microsoft Certification
3 51 (8.50%) Security Cleared
4 39 (6.50%) SC Cleared
5 38 (6.33%) MCSE
6 30 (5.00%) Cisco Certification
7 21 (3.50%) MCP
8 20 (3.33%) MCSA
9 19 (3.17%) CCNA
10 16 (2.67%) CCNP
11 13 (2.17%) VMware Certified Professional (VCP)
12 10 (1.67%) CCDP
13 9 (1.50%) DV Cleared
14 8 (1.33%) Computer Science Degree
15 7 (1.17%) ITIL Certification
16 6 (1.00%) VCP5
17 3 (0.50%) MCITP
18 2 (0.33%) Master's Degree
18 2 (0.33%) RHCSA
19 1 (0.17%) SAFe Agilist
Quality Assurance & Compliance
1 74 (12.33%) SLA
2 28 (4.67%) ISO/IEC 27001
3 13 (2.17%) QA
4 12 (2.00%) ISO 9001
5 7 (1.17%) Cyber Essentials
6 6 (1.00%) Data Quality
7 3 (0.50%) GDPR
7 3 (0.50%) NCSC
8 2 (0.33%) DICOM
8 2 (0.33%) HL7
8 2 (0.33%) NIST
8 2 (0.33%) RMADS
9 1 (0.17%) PCI DSS
9 1 (0.17%) Sarbanes-Oxley
System Software
1 249 (41.50%) Active Directory
2 139 (23.17%) Hyper-V
3 134 (22.33%) VMware Infrastructure
4 43 (7.17%) Virtual Machines
5 41 (6.83%) Docker
6 40 (6.67%) XenApp
7 36 (6.00%) VMware ESXi
8 33 (5.50%) Firmware
8 33 (5.50%) vSphere
9 18 (3.00%) DRBD
10 16 (2.67%) XenDesktop
11 12 (2.00%) Oracle RAC
12 10 (1.67%) GlusterFS
13 8 (1.33%) Postfix
14 7 (1.17%) KVM
15 5 (0.83%) VMware NSX
16 4 (0.67%) Btrfs
16 4 (0.67%) Ceph
16 4 (0.67%) Virtual Servers
16 4 (0.67%) Xen
Systems Management
1 95 (15.83%) Microsoft Clustering
2 70 (11.67%) Puppet
3 69 (11.50%) SCCM
4 46 (7.67%) Nagios
5 42 (7.00%) Ansible
5 42 (7.00%) Failover Clustering
6 39 (6.50%) ZABBIX
7 36 (6.00%) Opscode Chef
8 30 (5.00%) WSUS
9 29 (4.83%) Terraform
10 28 (4.67%) SCOM
11 20 (3.33%) Kubernetes
11 20 (3.33%) Prometheus
12 19 (3.17%) SCVMM
13 17 (2.83%) vCenter Server
14 12 (2.00%) Docker Swarm
14 12 (2.00%) XenMobile
15 11 (1.83%) Data Guard
16 10 (1.67%) Galera Cluster
17 9 (1.50%) Single Sign-On
Vendors
1 297 (49.50%) Microsoft
2 209 (34.83%) VMware
3 109 (18.17%) Cisco
4 86 (14.33%) Oracle
5 67 (11.17%) Citrix
6 62 (10.33%) Red Hat
7 56 (9.33%) HP
8 36 (6.00%) SAP
9 33 (5.50%) EMC
10 28 (4.67%) Veeam
11 26 (4.33%) 3PAR
11 26 (4.33%) Dell
12 23 (3.83%) NetApp
13 20 (3.33%) ServiceNow
14 19 (3.17%) Juniper
15 18 (3.00%) MuleSoft
16 15 (2.50%) Tableau
17 14 (2.33%) Extreme Networks
17 14 (2.33%) Isilon
18 13 (2.17%) Symantec