Period
to 11 December 2017

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 11 December 2017 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
11 Dec 2017
Same period 2016 Same period 2015
Rank 414 389 322
Rank change year-on-year -25 -67 -50
Permanent jobs citing Clustering 1234 1381 2037
As % of all permanent IT jobs advertised in England 0.73% 0.79% 1.00%
As % of the Miscellaneous category 1.70% 1.92% 2.38%
Number of salaries quoted 1073 1132 1693
England median annual salary £50,000 £50,000 £50,000
10th Percentile £33,750 £32,500 £33,750
90th Percentile £77,500 £71,250 £75,000
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 72494 71833 85747
As % of all permanent IT jobs advertised in England 43.08% 41.16% 42.25%
Number of salaries quoted 55362 59474 69768
England median annual salary £50,000 £50,000 £48,000
Median salary % change year-on-year - +4.17% +6.67%
10th Percentile £27,500 £27,500 £27,500
90th Percentile £82,500 £81,250 £80,000
UK median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 11 December 2017.

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 11 December 2017. 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 +1 562 £60,000 +9.09% 20
South East +16 317 £47,500 -5.00% 13
North of England -61 153 £40,000 -11.11% 13
Midlands +31 112 £40,000 -4.76% 5
Yorkshire -25 75 £38,000 -15.56% 5
West Midlands +16 65 £40,000 -12.57% 2
North West -69 56 £41,000 -6.82% 8
East of England -19 49 £45,000 -25.00% 4
East Midlands +40 47 £40,000 - 3
South West -35 40 £50,000 +17.65% 3
North East +18 24 £37,500 +6.38%
Clustering
UK

For the 6 months to 11 December 2017, IT jobs citing Clustering also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for Clustering.

1 615 (49.84%) Windows
2 604 (48.95%) SQL Server
3 601 (48.70%) SQL
4 551 (44.65%) Microsoft
5 397 (32.17%) Active Directory
6 392 (31.77%) VMware
7 358 (29.01%) Windows Server
8 339 (27.47%) Finance
9 323 (26.18%) Linux
10 276 (22.37%) Cisco
11 274 (22.20%) SAN
12 259 (20.99%) VMware Infrastructure
13 256 (20.75%) Windows Server 2012
14 249 (20.18%) SQL Server Integration Services
15 238 (19.29%) High Availability
16 230 (18.64%) Performance Tuning
17 214 (17.34%) PowerShell
18 213 (17.26%) Windows Server 2008
19 209 (16.94%) ITIL
20 206 (16.69%) Agile Software Development
21 197 (15.96%) MS Exchange
22 196 (15.88%) Hyper-V
23 192 (15.56%) T-SQL
24 191 (15.48%) SQL Server Reporting Services
25 190 (15.40%) SQL Server 2008
26 186 (15.07%) Replication
27 180 (14.59%) Firewall
27 180 (14.59%) Oracle
28 178 (14.42%) Data Centre
29 171 (13.86%) 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
1 197 (15.96%) MS Exchange
2 165 (13.37%) IIS
3 138 (11.18%) Exchange Server 2010
4 84 (6.81%) SharePoint
5 80 (6.48%) Exchange Server 2013
6 66 (5.35%) CMS
7 62 (5.02%) Apache
8 57 (4.62%) Skype for Business
9 44 (3.57%) BizTalk Server
10 41 (3.32%) Apache Spark
11 39 (3.16%) Tomcat
12 35 (2.84%) Exchange Server 2007
13 28 (2.27%) Elasticsearch
13 28 (2.27%) WebLogic
14 25 (2.03%) SharePoint 2010
15 20 (1.62%) SharePoint 2013
16 19 (1.54%) Exchange Server 2003
17 13 (1.05%) JBoss
17 13 (1.05%) WebSphere
18 12 (0.97%) nginx
Applications
1 18 (1.46%) Microsoft Office
2 13 (1.05%) MS Visio
3 9 (0.73%) Microsoft Project
4 7 (0.57%) Microsoft PowerPoint
5 5 (0.41%) Microsoft Excel
6 1 (0.081%) HipChat
6 1 (0.081%) S-PLUS
Business Applications
1 10 (0.81%) Oracle EBS
2 8 (0.65%) Oracle Procure-to-Pay
3 6 (0.49%) Oracle Applications
3 6 (0.49%) Revive Adserver
4 5 (0.41%) HFM
5 4 (0.32%) Dynamics NAV
6 2 (0.16%) Remedy ITSM
7 1 (0.081%) BusinessWorks
7 1 (0.081%) Dynamics AX
7 1 (0.081%) Dynamics CRM
Cloud Services
1 166 (13.45%) Microsoft Azure
2 150 (12.16%) Amazon AWS
3 74 (6.00%) Office 365
4 67 (5.43%) IaaS
5 35 (2.84%) PaaS
6 25 (2.03%) Azure Active Directory
7 20 (1.62%) SaaS
8 17 (1.38%) Amazon EMR
9 16 (1.30%) Amazon Kinesis
9 16 (1.30%) GitHub
10 13 (1.05%) Cloud Computing
11 5 (0.41%) Oracle CX
12 4 (0.32%) Amazon EC2
12 4 (0.32%) Google Cloud Platform
13 3 (0.24%) Amazon SQS
13 3 (0.24%) AWS CloudFormation
14 2 (0.16%) Amazon S3
14 2 (0.16%) AWS Lambda
14 2 (0.16%) OneDrive
14 2 (0.16%) Serverless
Communications & Networking
1 274 (22.20%) SAN
2 180 (14.59%) Firewall
3 161 (13.05%) DNS
4 158 (12.80%) TCP/IP
5 148 (11.99%) WAN
6 110 (8.91%) DHCP
7 105 (8.51%) VoIP
8 104 (8.43%) MPLS
9 96 (7.78%) IPsec
10 89 (7.21%) SSL
11 88 (7.13%) BGP
12 84 (6.81%) OSPF
13 83 (6.73%) Wireless
14 82 (6.65%) Cisco Nexus
15 79 (6.40%) NAS
16 75 (6.08%) VPN
17 68 (5.51%) LAN
18 64 (5.19%) Cisco IOS
19 63 (5.11%) EIGRP
20 60 (4.86%) HTTP
Database & Business Intelligence
1 604 (48.95%) SQL Server
2 249 (20.18%) SQL Server Integration Services
3 191 (15.48%) SQL Server Reporting Services
4 190 (15.40%) SQL Server 2008
5 122 (9.89%) MySQL
6 120 (9.72%) SQL Server Analysis Services
7 102 (8.27%) Data Warehouse
8 93 (7.54%) SQL Server 2012
9 86 (6.97%) MongoDB
10 83 (6.73%) Oracle Database
11 75 (6.08%) NoSQL
12 74 (6.00%) SQL Server 2014
12 74 (6.00%) SQL Server 2016
13 59 (4.78%) Hadoop
14 51 (4.13%) Microsoft Analysis Services
15 45 (3.65%) SQL Server 2005
16 41 (3.32%) Apache Cassandra
17 39 (3.16%) Big Data
18 37 (3.00%) Relational Database
19 33 (2.67%) PostgreSQL
Development Applications
1 91 (7.37%) Git (software)
2 63 (5.11%) TeamCity
3 59 (4.78%) Visual Studio
4 57 (4.62%) Octopus Deploy
5 43 (3.48%) JIRA
6 32 (2.59%) Subversion
7 31 (2.51%) Maven
8 27 (2.19%) MSBuild
9 26 (2.11%) Team Foundation Server
10 19 (1.54%) Bower
10 19 (1.54%) Grunt
10 19 (1.54%) gulp
11 18 (1.46%) Jenkins
12 14 (1.13%) Atlassian Bamboo
13 11 (0.89%) Travis CI
14 9 (0.73%) IntelliJ
14 9 (0.73%) JUnit
15 7 (0.57%) GitLab
16 6 (0.49%) Eclipse
16 6 (0.49%) Selenium
General
1 339 (27.47%) Finance
2 158 (12.80%) Banking
3 50 (4.05%) Marketing
4 49 (3.97%) Advertising
5 35 (2.84%) Telecoms
6 33 (2.67%) Retail
7 20 (1.62%) Games
8 19 (1.54%) Electronics
9 15 (1.22%) Manufacturing
10 12 (0.97%) Investment Banking
11 10 (0.81%) Automotive
12 9 (0.73%) Law
13 7 (0.57%) Financial Institution
14 4 (0.32%) Legal
15 3 (0.24%) Back Office
16 2 (0.16%) Front Office
16 2 (0.16%) Pharmaceutical
17 1 (0.081%) Publishing
Job Titles
1 294 (23.82%) DBA
2 224 (18.15%) SQL DBA
3 207 (16.77%) Administrator
4 99 (8.02%) SQL Server DBA
5 98 (7.94%) Developer
6 95 (7.70%) Infrastructure Engineer
7 89 (7.21%) Architect
8 75 (6.08%) Support Engineer
9 74 (6.00%) Analyst
10 69 (5.59%) Systems Engineer
11 60 (4.86%) Network Engineer
12 59 (4.78%) 3rd Line Engineer
13 56 (4.54%) Cisco Engineer
14 52 (4.21%) DevOps Engineer
15 43 (3.48%) Systems Administrator
16 42 (3.40%) Oracle DBA
16 42 (3.40%) Senior DBA
17 41 (3.32%) IT Engineer
17 41 (3.32%) Linux Engineer
17 41 (3.32%) VMware Engineer
Libraries, Frameworks & Software Standards
1 123 (9.97%) .NET
2 63 (5.11%) XMPP
3 54 (4.38%) ASP.NET
4 47 (3.81%) Web Services
5 37 (3.00%) Middleware
6 36 (2.92%) HTML
7 34 (2.76%) HTML5
8 32 (2.59%) Natural Language Processing
9 27 (2.19%) Elastic Stack
10 25 (2.03%) ActiveMQ
10 25 (2.03%) Node.js
11 22 (1.78%) XML
12 21 (1.70%) Kafka
13 19 (1.54%) REST
14 18 (1.46%) J2EE
15 16 (1.30%) MLlib
15 16 (1.30%) Pandas
15 16 (1.30%) SOAP
16 15 (1.22%) WAP
17 13 (1.05%) LAMP
Miscellaneous
1 186 (15.07%) Replication
2 178 (14.42%) Data Centre
3 88 (7.13%) Analytical Skills
4 41 (3.32%) Management Information System
5 33 (2.67%) Public Cloud
6 32 (2.59%) Fintech
7 28 (2.27%) Client/Server
8 24 (1.94%) Algorithms
8 24 (1.94%) Computer Science
9 20 (1.62%) EMC VMAX
10 19 (1.54%) EMC VNX
11 18 (1.46%) Greenfield Project
11 18 (1.46%) PKI
12 14 (1.13%) Enterprise Software
13 12 (0.97%) Private Cloud
14 11 (0.89%) User Experience
15 10 (0.81%) Internet of Things
16 9 (0.73%) Enterprise Storage
16 9 (0.73%) iPad
16 9 (0.73%) N-Tier
Operating Systems
1 615 (49.84%) Windows
2 358 (29.01%) Windows Server
3 323 (26.18%) Linux
4 256 (20.75%) Windows Server 2012
5 213 (17.26%) Windows Server 2008
6 100 (8.10%) Unix
7 87 (7.05%) Red Hat Enterprise Linux
8 70 (5.67%) Windows Server 2003
9 69 (5.59%) Solaris
10 53 (4.29%) AIX
11 27 (2.19%) CentOS
12 25 (2.03%) Windows 10
13 23 (1.86%) Windows 7
14 22 (1.78%) Ubuntu
15 16 (1.30%) HPUX
16 13 (1.05%) Windows 8
17 10 (0.81%) SUSE
18 8 (0.65%) Debian
19 7 (0.57%) Oracle Linux
20 4 (0.32%) Mac OS X
Processes & Methodologies
1 238 (19.29%) High Availability
2 230 (18.64%) Performance Tuning
3 209 (16.94%) ITIL
4 206 (16.69%) Agile Software Development
5 159 (12.88%) DevOps
6 145 (11.75%) Load Balancing
7 141 (11.43%) Disaster Recovery
8 136 (11.02%) Continuous Integration
9 114 (9.24%) Migration
10 109 (8.83%) Scrum
11 104 (8.43%) Mentoring
12 103 (8.35%) Business Intelligence
13 90 (7.29%) ETL
14 82 (6.65%) TDD
15 79 (6.40%) Configuration Management
16 75 (6.08%) Change Management
17 65 (5.27%) Root Cause Analysis
18 63 (5.11%) Capacity Planning
19 62 (5.02%) Performance Monitoring
20 61 (4.94%) Service Delivery
Programming Languages
1 601 (48.70%) SQL
2 214 (17.34%) PowerShell
3 192 (15.56%) T-SQL
4 129 (10.45%) Java
5 114 (9.24%) Python
6 82 (6.65%) Shell Script
7 79 (6.40%) JavaScript
8 57 (4.62%) Bash Shell
9 54 (4.38%) C#
10 39 (3.16%) Perl
10 39 (3.16%) VBScript
11 24 (1.94%) Scala
11 24 (1.94%) VB
12 21 (1.70%) PL/SQL
13 19 (1.54%) Ruby
14 15 (1.22%) PHP
15 14 (1.13%) C
16 9 (0.73%) R
17 8 (0.65%) ES6
18 7 (0.57%) Go
Qualifications
1 144 (11.67%) Microsoft Certification
2 139 (11.26%) Cisco Certification
3 97 (7.86%) CCNP
4 84 (6.81%) MCSE
5 78 (6.32%) CCIE
6 68 (5.51%) Degree
6 68 (5.51%) VMware Certified Professional (VCP)
7 63 (5.11%) CCNA
7 63 (5.11%) CCVP
8 50 (4.05%) VERITAS Certified Professional (VCP)
9 36 (2.92%) MCSA
10 32 (2.59%) MCITP
11 28 (2.27%) Security Cleared
12 27 (2.19%) CCNP Voice
13 20 (1.62%) MCP
14 19 (1.54%) SC Cleared
15 18 (1.46%) Citrix Certification
16 15 (1.22%) CCDE
17 13 (1.05%) ITIL Certification
18 12 (0.97%) OCP
Quality Assurance & Compliance
1 63 (5.11%) SLA
2 41 (3.32%) PCI DSS
3 38 (3.08%) ISO/IEC 27001
4 14 (1.13%) HIPAA
5 10 (0.81%) Data Quality
6 9 (0.73%) QA
7 7 (0.57%) PMO
8 6 (0.49%) GDPR
9 5 (0.41%) ISO 9001
10 4 (0.32%) ISO/IEC 20000
11 3 (0.24%) ISO 22301
12 1 (0.081%) ISO 9000
12 1 (0.081%) NIST 800
12 1 (0.081%) PSD2
12 1 (0.081%) TickIT
System Software
1 397 (32.17%) Active Directory
2 259 (20.99%) VMware Infrastructure
3 196 (15.88%) Hyper-V
4 121 (9.81%) VMware ESXi
5 73 (5.92%) Docker
6 55 (4.46%) vSphere
6 55 (4.46%) XenApp
7 44 (3.57%) Virtual Machines
8 39 (3.16%) XenDesktop
9 29 (2.35%) iptables
10 25 (2.03%) Oracle RAC
11 22 (1.78%) Veritas Cluster Server
12 18 (1.46%) Terminal Services
12 18 (1.46%) Virtual Servers
13 14 (1.13%) NFS
14 13 (1.05%) Microsoft App-V
15 12 (0.97%) Firmware
15 12 (0.97%) KVM
16 11 (0.89%) UAG
17 10 (0.81%) DFS Replication
Systems Management
1 171 (13.86%) Microsoft Clustering
2 112 (9.08%) SCCM
3 90 (7.29%) SCOM
4 76 (6.16%) vCenter Server
5 73 (5.92%) Cisco CUCM
6 67 (5.43%) Backup Exec
7 63 (5.11%) Cisco UCCE
7 63 (5.11%) Cisco UCCX
8 57 (4.62%) Failover Clustering
9 56 (4.54%) Opscode Chef
9 56 (4.54%) Puppet
10 46 (3.73%) Ansible
11 40 (3.24%) Symantec Enterprise Vault
12 38 (3.08%) Kubernetes
13 33 (2.67%) Symantec Endpoint Protection
13 33 (2.67%) Tivoli Storage Manager
13 33 (2.67%) WSUS
14 27 (2.19%) SCOrch
14 27 (2.19%) Terraform
15 26 (2.11%) Simpana
Vendors
1 551 (44.65%) Microsoft
2 392 (31.77%) VMware
3 276 (22.37%) Cisco
4 180 (14.59%) Oracle
5 153 (12.40%) HP
6 109 (8.83%) Red Hat
7 107 (8.67%) Citrix
8 94 (7.62%) Veritas
9 80 (6.48%) Symantec
10 79 (6.40%) F5
11 78 (6.32%) Juniper
12 57 (4.62%) IBM
13 55 (4.46%) SolarWinds
14 49 (3.97%) NetApp
15 48 (3.89%) Dell
16 43 (3.48%) EMC
17 42 (3.40%) CommVault
17 42 (3.40%) Sybase
18 39 (3.16%) RedGate
19 38 (3.08%) Riverbed