Period
to 20 February 2018

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in England. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 20 February 2018 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 440 404 327
Rank change year-on-year -36 -77 -57
Permanent jobs citing Clustering 1,106 1,254 1,956
As % of all permanent IT jobs advertised in England 0.67% 0.76% 0.99%
As % of the Miscellaneous category 1.59% 1.86% 2.34%
Number of salaries quoted 960 1,062 1,656
England median annual salary £50,000 £50,000 £50,000
10th Percentile £32,500 £32,000 £34,000
90th Percentile £77,500 £72,500 £73,750
UK median annual salary £50,000 £50,000 £50,000

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 advertised in England with a requirement for generic IT skills.

All Generic IT Skills
England
Permanent vacancies with a requirement for generic IT skills 69,378 67,329 83,686
As % of all permanent IT jobs advertised in England 41.94% 40.83% 42.45%
Number of salaries quoted 54,909 55,390 68,080
England median annual salary £50,000 £50,000 £50,000
10th Percentile £27,750 £27,500 £27,500
90th Percentile £82,500 £81,250 £80,000
UK median annual salary £50,000 £50,000 £48,000
% change year-on-year - +4.17% +6.67%

Clustering
Job Vacancy Trend in England

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

Job vacancy trend for Clustering in England

Clustering
Salary Trend in England

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

Salary trend for Clustering in England

Clustering
Salary Histogram in England

The salary distribution of IT jobs citing Clustering in England over the 6 months to 20 February 2018.

Salary histogram for Clustering in England

Clustering
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the England region over the 6 months to 20 February 2018. 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
London -51 435 £62,500 +13.64% 41
South East +4 285 £45,000 -5.26% 29
North of England -79 157 £38,500 -13.48% 26
Midlands +37 120 £45,000 +12.50% 17
Yorkshire -14 72 £37,500 -25.00% 10
North West -73 67 £43,250 +1.76% 16
West Midlands +12 62 £37,500 -6.25% 5
East Midlands +23 58 £47,500 +11.76% 12
East of England -12 58 £47,000 -1.05% 9
South West +3 54 £50,000 +33.33% 11
North East -17 20 £36,250 +20.83%
Clustering
UK

For the 6 months to 20 February 2018, 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 across the England region with a requirement for Clustering.

1 583 (52.71%) Windows
2 568 (51.36%) SQL Server
3 544 (49.19%) SQL
4 475 (42.95%) Microsoft
5 353 (31.92%) VMware
6 343 (31.01%) Windows Server
7 341 (30.83%) Active Directory
8 293 (26.49%) Finance
9 282 (25.50%) Linux
10 259 (23.42%) SAN
11 244 (22.06%) Performance Tuning
12 240 (21.70%) Windows Server 2012
13 231 (20.89%) Cisco
14 228 (20.61%) VMware Infrastructure
15 216 (19.53%) SQL Server Integration Services
16 215 (19.44%) PowerShell
17 210 (18.99%) High Availability
18 189 (17.09%) Hyper-V
19 186 (16.82%) Windows Server 2008
20 185 (16.73%) Microsoft Azure
21 180 (16.27%) Oracle
22 179 (16.18%) Firewall
23 177 (16.00%) Replication
24 169 (15.28%) ITIL
25 167 (15.10%) MS Exchange
25 167 (15.10%) Agile Software Development
26 162 (14.65%) SQL Server Reporting Services
26 162 (14.65%) DNS
27 158 (14.29%) DevOps
28 157 (14.20%) Microsoft Clustering

Clustering
Co-occurring IT Skills in England 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
1 167 (15.10%) MS Exchange
2 153 (13.83%) IIS
3 120 (10.85%) Exchange Server 2010
4 84 (7.59%) SharePoint
5 54 (4.88%) CMS
6 52 (4.70%) Exchange Server 2013
7 51 (4.61%) Skype for Business
8 47 (4.25%) Apache Spark
9 42 (3.80%) Apache
10 39 (3.53%) Elasticsearch
11 28 (2.53%) Exchange Server 2007
12 27 (2.44%) Tomcat
13 25 (2.26%) WebLogic
14 22 (1.99%) SharePoint 2010
15 21 (1.90%) Exchange Server 2003
16 20 (1.81%) BizTalk Server
17 16 (1.45%) Apache Pig
17 16 (1.45%) Confluence
18 15 (1.36%) SAS
18 15 (1.36%) SharePoint 2013
Applications
1 14 (1.27%) Microsoft Office
2 5 (0.45%) Microsoft Excel
2 5 (0.45%) Microsoft Project
2 5 (0.45%) MS Visio
3 4 (0.36%) Microsoft PowerPoint
4 1 (0.090%) S-PLUS
Business Applications
1 11 (0.99%) Dynamics CRM
2 9 (0.81%) HFM
3 5 (0.45%) Oracle Procure-to-Pay
4 2 (0.18%) Distributed Ledger
4 2 (0.18%) Oracle EBS
5 1 (0.090%) BusinessWorks
5 1 (0.090%) Remedy ITSM
5 1 (0.090%) Salesforce.com CRM
5 1 (0.090%) SAP Business One
Cloud Services
1 185 (16.73%) Microsoft Azure
2 144 (13.02%) Amazon AWS
3 71 (6.42%) Office 365
4 37 (3.35%) IaaS
5 30 (2.71%) Amazon EMR
6 28 (2.53%) Azure Active Directory
7 26 (2.35%) Amazon Kinesis
8 23 (2.08%) GitHub
9 21 (1.90%) SaaS
10 13 (1.18%) PaaS
11 11 (0.99%) Cloud Computing
12 7 (0.63%) Virtual Private Cloud
13 5 (0.45%) AWS Lambda
13 5 (0.45%) npm
13 5 (0.45%) Oracle CX
13 5 (0.45%) Serverless
14 4 (0.36%) Amazon S3
14 4 (0.36%) Google Cloud Platform
15 3 (0.27%) Amazon EC2
15 3 (0.27%) OpenShift
Communications & Networking
1 259 (23.42%) SAN
2 179 (16.18%) Firewall
3 162 (14.65%) DNS
4 146 (13.20%) TCP/IP
5 138 (12.48%) WAN
6 118 (10.67%) DHCP
7 90 (8.14%) IPsec
8 81 (7.32%) VoIP
9 76 (6.87%) LAN
10 73 (6.60%) SSL
11 71 (6.42%) HTTP
11 71 (6.42%) Wireless
12 70 (6.33%) Cisco Nexus
12 70 (6.33%) MPLS
13 67 (6.06%) BGP
14 66 (5.97%) OSPF
14 66 (5.97%) VPN
15 61 (5.52%) NAS
16 57 (5.15%) Unified Communications
17 51 (4.61%) Ethernet
Database & Business Intelligence
1 568 (51.36%) SQL Server
2 216 (19.53%) SQL Server Integration Services
3 162 (14.65%) SQL Server Reporting Services
4 144 (13.02%) SQL Server 2008
5 117 (10.58%) MySQL
6 109 (9.86%) Oracle Database
7 108 (9.76%) SQL Server Analysis Services
8 103 (9.31%) SQL Server 2016
9 99 (8.95%) Data Warehouse
10 82 (7.41%) MongoDB
11 79 (7.14%) SQL Server 2012
12 67 (6.06%) SQL Server 2014
13 57 (5.15%) NoSQL
14 52 (4.70%) Big Data
15 48 (4.34%) Relational Database
16 47 (4.25%) Hadoop
17 44 (3.98%) Microsoft Analysis Services
18 34 (3.07%) Apache Cassandra
19 33 (2.98%) Amazon RDS
19 33 (2.98%) SQL Server 2005
Development Applications
1 64 (5.79%) TeamCity
2 58 (5.24%) Octopus Deploy
3 53 (4.79%) Git (software)
4 50 (4.52%) JIRA
5 38 (3.44%) MSBuild
6 36 (3.25%) Visual Studio
7 32 (2.89%) Team Foundation Server
8 26 (2.35%) Jenkins
9 18 (1.63%) Atlassian Bamboo
10 17 (1.54%) Travis CI
11 16 (1.45%) Subversion
12 13 (1.18%) SQL Server Management Studio (SSMS)
13 12 (1.08%) Bower
13 12 (1.08%) Grunt
13 12 (1.08%) gulp
14 8 (0.72%) IntelliJ
14 8 (0.72%) JUnit
14 8 (0.72%) SoapUI
15 7 (0.63%) Maven
16 6 (0.54%) Selenium
General
1 293 (26.49%) Finance
2 130 (11.75%) Banking
3 62 (5.61%) Advertising
4 61 (5.52%) Retail
5 47 (4.25%) Marketing
6 21 (1.90%) Electronics
7 19 (1.72%) Manufacturing
8 14 (1.27%) Law
9 13 (1.18%) Publishing
10 11 (0.99%) Automotive
10 11 (0.99%) Telecoms
11 9 (0.81%) Games
11 9 (0.81%) Investment Banking
12 7 (0.63%) Financial Institution
13 5 (0.45%) Back Office
14 2 (0.18%) Digital Economy
14 2 (0.18%) Front Office
15 1 (0.090%) Billing
15 1 (0.090%) French Language
15 1 (0.090%) Legal
Job Titles
1 282 (25.50%) DBA
2 207 (18.72%) SQL DBA
3 192 (17.36%) Administrator
4 100 (9.04%) Architect
5 90 (8.14%) Analyst
6 85 (7.69%) Infrastructure Engineer
7 77 (6.96%) SQL Server DBA
8 66 (5.97%) Support Engineer
9 60 (5.42%) Systems Engineer
10 56 (5.06%) VMware Engineer
11 53 (4.79%) 3rd Line Engineer
12 49 (4.43%) Network Engineer
13 46 (4.16%) Developer
13 46 (4.16%) Oracle DBA
14 41 (3.71%) Support Analyst
15 39 (3.53%) DevOps Engineer
16 35 (3.16%) Consultant
16 35 (3.16%) Team Leader
17 34 (3.07%) 3rd Line Support
17 34 (3.07%) Windows Engineer
Libraries, Frameworks & Software Standards
1 114 (10.31%) .NET
2 46 (4.16%) XMPP
3 45 (4.07%) Middleware
4 38 (3.44%) Web Services
5 37 (3.35%) LDAP
6 28 (2.53%) ASP.NET
7 26 (2.35%) MLlib
7 26 (2.35%) Pandas
8 25 (2.26%) REST
9 24 (2.17%) Natural Language Processing
10 22 (1.99%) XML
11 21 (1.90%) HTML
12 20 (1.81%) HTML5
12 20 (1.81%) J2EE
13 17 (1.54%) LAMP
14 16 (1.45%) SOAP
15 15 (1.36%) SAP Basis
16 14 (1.27%) Elastic Stack
17 13 (1.18%) JDBC
17 13 (1.18%) JSON
Miscellaneous
1 177 (16.00%) Replication
2 156 (14.10%) Data Centre
3 90 (8.14%) Analytical Skills
4 38 (3.44%) Management Information System
5 37 (3.35%) Fintech
6 33 (2.98%) Algorithms
7 31 (2.80%) Public Cloud
8 30 (2.71%) Computer Science
9 22 (1.99%) Enterprise Software
10 21 (1.90%) PKI
11 20 (1.81%) Private Cloud
12 18 (1.63%) EMC VMAX
13 16 (1.45%) User Experience
14 15 (1.36%) Client/Server
15 14 (1.27%) EMC VNX
15 14 (1.27%) N-Tier
16 12 (1.08%) Greenfield Project
16 12 (1.08%) Internet of Things
17 10 (0.90%) Data Structures
17 10 (0.90%) Mainframe
Operating Systems
1 583 (52.71%) Windows
2 343 (31.01%) Windows Server
3 282 (25.50%) Linux
4 240 (21.70%) Windows Server 2012
5 186 (16.82%) Windows Server 2008
6 109 (9.86%) Unix
7 64 (5.79%) Red Hat Enterprise Linux
8 54 (4.88%) Windows Server 2003
9 49 (4.43%) Solaris
10 34 (3.07%) AIX
11 26 (2.35%) Windows 10
12 25 (2.26%) CentOS
13 24 (2.17%) Windows 7
14 13 (1.18%) Windows 8
15 11 (0.99%) Ubuntu
16 10 (0.90%) SUSE
17 7 (0.63%) Mac OS X
17 7 (0.63%) Oracle Linux
18 5 (0.45%) HPUX
18 5 (0.45%) SUSE Linux Enterprise Server
Processes & Methodologies
1 244 (22.06%) Performance Tuning
2 210 (18.99%) High Availability
3 169 (15.28%) ITIL
4 167 (15.10%) Agile Software Development
5 158 (14.29%) DevOps
6 150 (13.56%) Load Balancing
7 137 (12.39%) Disaster Recovery
8 114 (10.31%) Business Intelligence
9 109 (9.86%) Scrum
10 103 (9.31%) Configuration Management
10 103 (9.31%) Mentoring
11 101 (9.13%) Migration
12 99 (8.95%) Continuous Integration
13 85 (7.69%) ETL
14 66 (5.97%) Capacity Planning
15 56 (5.06%) Open Source
16 55 (4.97%) Change Management
17 53 (4.79%) Analytics
18 49 (4.43%) Coaching
19 48 (4.34%) Performance Monitoring
Programming Languages
1 544 (49.19%) SQL
2 215 (19.44%) PowerShell
3 153 (13.83%) T-SQL
4 124 (11.21%) Java
5 116 (10.49%) Python
6 70 (6.33%) Shell Script
7 69 (6.24%) C#
8 59 (5.33%) Bash Shell
9 47 (4.25%) JavaScript
10 41 (3.71%) Perl
11 39 (3.53%) Scala
12 22 (1.99%) C
12 22 (1.99%) PL/SQL
13 20 (1.81%) Ruby
14 15 (1.36%) VBScript
15 13 (1.18%) PHP
16 12 (1.08%) VB
17 10 (0.90%) ABAP
18 8 (0.72%) R
18 8 (0.72%) WebLogic Scripting Tool
Qualifications
1 127 (11.48%) Microsoft Certification
2 121 (10.94%) Cisco Certification
3 76 (6.87%) CCNP
4 70 (6.33%) MCSE
5 55 (4.97%) CCNA
5 55 (4.97%) VMware Certified Professional (VCP)
6 53 (4.79%) Degree
7 50 (4.52%) CCIE
8 46 (4.16%) CCVP
9 35 (3.16%) VERITAS Certified Professional (VCP)
10 32 (2.89%) Security Cleared
11 28 (2.53%) MCSA
12 23 (2.08%) SC Cleared
13 18 (1.63%) CCNP Voice
14 17 (1.54%) ITIL Certification
15 16 (1.45%) Citrix Certification
15 16 (1.45%) Computer Science Degree
15 16 (1.45%) OCP
15 16 (1.45%) Oracle Certification
16 15 (1.36%) CCDE
Quality Assurance & Compliance
1 62 (5.61%) SLA
2 42 (3.80%) ISO/IEC 27001
3 41 (3.71%) PCI DSS
4 21 (1.90%) QA
5 20 (1.81%) HIPAA
6 10 (0.90%) PMO
7 6 (0.54%) GDPR
8 4 (0.36%) Data Quality
8 4 (0.36%) ISO/IEC 20000
9 3 (0.27%) PSD2
10 2 (0.18%) Sarbanes-Oxley
10 2 (0.18%) TickIT
11 1 (0.090%) ISO 9000
11 1 (0.090%) NIST 800
System Software
1 341 (30.83%) Active Directory
2 228 (20.61%) VMware Infrastructure
3 189 (17.09%) Hyper-V
4 98 (8.86%) VMware ESXi
5 57 (5.15%) vSphere
6 56 (5.06%) Docker
7 46 (4.16%) XenApp
8 45 (4.07%) Virtual Machines
9 36 (3.25%) XenDesktop
10 20 (1.81%) Oracle RAC
11 18 (1.63%) iptables
12 17 (1.54%) Virtual Servers
13 15 (1.36%) Veritas Cluster Server
14 14 (1.27%) XenServer
15 9 (0.81%) KVM
15 9 (0.81%) Terminal Services
16 8 (0.72%) HDFS
16 8 (0.72%) NFS
17 7 (0.63%) Apache ZooKeeper
17 7 (0.63%) DFS Replication
Systems Management
1 157 (14.20%) Microsoft Clustering
2 112 (10.13%) SCCM
3 87 (7.87%) SCOM
4 74 (6.69%) Opscode Chef
5 69 (6.24%) Failover Clustering
6 65 (5.88%) Puppet
7 58 (5.24%) Cisco CUCM
8 56 (5.06%) vCenter Server
9 55 (4.97%) Backup Exec
10 46 (4.16%) Ansible
10 46 (4.16%) Cisco UCCE
10 46 (4.16%) Cisco UCCX
11 37 (3.35%) Tivoli Storage Manager
12 34 (3.07%) Symantec Enterprise Vault
13 32 (2.89%) Symantec Endpoint Protection
14 31 (2.80%) SCOrch
15 28 (2.53%) Kubernetes
16 25 (2.26%) Terraform
17 24 (2.17%) Simpana
17 24 (2.17%) WSUS
Vendors
1 475 (42.95%) Microsoft
2 353 (31.92%) VMware
3 231 (20.89%) Cisco
4 180 (16.27%) Oracle
5 130 (11.75%) HP
6 88 (7.96%) Citrix
6 88 (7.96%) Red Hat
7 72 (6.51%) F5
8 63 (5.70%) Veritas
9 60 (5.42%) Symantec
10 52 (4.70%) CommVault
11 49 (4.43%) Juniper
11 49 (4.43%) SolarWinds
12 47 (4.25%) RedGate
13 38 (3.44%) IBM
14 37 (3.35%) NetApp
15 33 (2.98%) 3PAR
15 33 (2.98%) EMC
15 33 (2.98%) Facebook
15 33 (2.98%) SAP