Period
to 16 October 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 16 October 2017 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
16 Oct 2017
Same period 2016 Same period 2015
Rank 430 370 314
Rank change year-on-year -60 -56 -40
Permanent jobs citing Clustering 1197 1452 2142
As % of all permanent IT jobs advertised in England 0.73% 0.81% 1.04%
As % of the Miscellaneous category 1.67% 1.96% 2.48%
Number of salaries quoted 1013 1228 1770
England median annual salary £50,000 £50,000 £50,000
10th Percentile £35,000 £34,250 £33,750
90th Percentile £76,250 £71,250 £77,500
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 71572 74109 86225
As % of all permanent IT jobs advertised in England 43.54% 41.24% 41.82%
Number of salaries quoted 54024 61522 69729
England median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +3.26%
10th Percentile £27,500 £27,500 £26,991
90th Percentile £82,500 £80,000 £78,750
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 16 October 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 16 October 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 +10 597 £59,000 +7.27% 27
South East -15 287 £47,500 -4.04% 14
North of England -27 158 £41,500 -7.78% 15
Midlands +5 97 £40,000 -4.76% 8
Yorkshire -2 77 £41,500 -7.78% 8
North West -58 66 £40,000 -15.79% 5
West Midlands +6 53 £40,000 - 1
East Midlands +31 44 £40,000 -5.88% 7
East of England -42 29 £47,500 - 5
South West -48 26 £38,000 -12.64%
North East +24 15 £42,500 -3.41% 2
Clustering
UK

For the 6 months to 16 October 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.

1 595 (49.71%) Windows
2 558 (46.62%) SQL Server
3 551 (46.03%) SQL
4 541 (45.20%) Microsoft
5 409 (34.17%) VMware
6 396 (33.08%) Active Directory
7 365 (30.49%) Linux
8 338 (28.24%) Finance
9 335 (27.99%) Windows Server
10 281 (23.48%) VMware Infrastructure
11 263 (21.97%) SAN
12 257 (21.47%) High Availability
13 250 (20.89%) SQL Server Integration Services
14 239 (19.97%) Cisco
15 231 (19.30%) Windows Server 2012
16 228 (19.05%) ITIL
17 224 (18.71%) PowerShell
18 207 (17.29%) Windows Server 2008
19 198 (16.54%) Performance Tuning
20 196 (16.37%) SQL Server 2008
21 193 (16.12%) Hyper-V
21 193 (16.12%) Replication
22 190 (15.87%) Agile Software Development
22 190 (15.87%) T-SQL
23 187 (15.62%) MS Exchange
24 180 (15.04%) SQL Server Reporting Services
25 178 (14.87%) DNS
26 175 (14.62%) Oracle
27 169 (14.12%) Disaster Recovery
28 167 (13.95%) 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
1 187 (15.62%) MS Exchange
2 149 (12.45%) IIS
3 134 (11.19%) Exchange Server 2010
4 80 (6.68%) SharePoint
5 76 (6.35%) Exchange Server 2013
6 71 (5.93%) Apache
7 62 (5.18%) BizTalk Server
8 61 (5.10%) Skype for Business
9 51 (4.26%) CMS
10 42 (3.51%) Tomcat
11 29 (2.42%) Exchange Server 2007
12 28 (2.34%) WebLogic
13 25 (2.09%) SharePoint 2010
14 22 (1.84%) JBoss
15 18 (1.50%) SharePoint 2013
15 18 (1.50%) WebSphere
16 17 (1.42%) Apache Spark
16 17 (1.42%) nginx
17 16 (1.34%) OpenStack
18 15 (1.25%) Exchange Server 2003
Applications
1 22 (1.84%) Microsoft Office
2 16 (1.34%) MS Visio
3 13 (1.09%) Microsoft Project
4 10 (0.84%) Microsoft PowerPoint
5 3 (0.25%) Microsoft Excel
6 1 (0.084%) HipChat
6 1 (0.084%) S-PLUS
Business Applications
1 16 (1.34%) Oracle EBS
2 8 (0.67%) Oracle Procure-to-Pay
3 6 (0.50%) Oracle Applications
3 6 (0.50%) Remedy ITSM
3 6 (0.50%) Revive Adserver
4 5 (0.42%) Dynamics AX
4 5 (0.42%) Dynamics NAV
5 2 (0.17%) HFM
6 1 (0.084%) BusinessWorks
6 1 (0.084%) Dynamics CRM
6 1 (0.084%) Oracle BPM
6 1 (0.084%) Siebel Analytics
Cloud Services
1 137 (11.45%) Amazon AWS
2 135 (11.28%) Microsoft Azure
3 77 (6.43%) Office 365
4 53 (4.43%) IaaS
5 29 (2.42%) PaaS
6 19 (1.59%) SaaS
7 12 (1.00%) Azure Active Directory
8 9 (0.75%) Cloud Computing
9 8 (0.67%) Amazon EC2
10 7 (0.58%) Amazon S3
11 6 (0.50%) AWS CloudFormation
11 6 (0.50%) AWS Lambda
11 6 (0.50%) Serverless
12 5 (0.42%) Joyent
13 4 (0.33%) Amazon SQS
13 4 (0.33%) Google Cloud Platform
13 4 (0.33%) OpenShift
14 3 (0.25%) Oracle CX
15 2 (0.17%) Amazon Glacier
15 2 (0.17%) GitHub
Communications & Networking
1 263 (21.97%) SAN
2 178 (14.87%) DNS
3 165 (13.78%) TCP/IP
4 162 (13.53%) Firewall
5 119 (9.94%) DHCP
6 118 (9.86%) WAN
7 90 (7.52%) NAS
8 89 (7.44%) MPLS
9 80 (6.68%) VoIP
10 78 (6.52%) VPN
11 70 (5.85%) BGP
12 66 (5.51%) IPsec
12 66 (5.51%) OSPF
13 65 (5.43%) SSL
13 65 (5.43%) VLAN
14 63 (5.26%) Wireless
15 59 (4.93%) LAN
16 56 (4.68%) Cisco Nexus
17 55 (4.59%) HTTP
18 52 (4.34%) Cisco IOS
Database & Business Intelligence
1 558 (46.62%) SQL Server
2 250 (20.89%) SQL Server Integration Services
3 196 (16.37%) SQL Server 2008
4 180 (15.04%) SQL Server Reporting Services
5 123 (10.28%) MySQL
6 110 (9.19%) SQL Server Analysis Services
7 90 (7.52%) Data Warehouse
8 85 (7.10%) MongoDB
8 85 (7.10%) NoSQL
9 79 (6.60%) SQL Server 2012
10 70 (5.85%) Oracle Database
11 64 (5.35%) SQL Server 2014
12 56 (4.68%) SQL Server 2016
13 52 (4.34%) Microsoft Analysis Services
14 50 (4.18%) Hadoop
15 43 (3.59%) SQL Server 2005
16 37 (3.09%) Redis
17 36 (3.01%) Apache Cassandra
17 36 (3.01%) Relational Database
18 29 (2.42%) Big Data
Development Applications
1 98 (8.19%) Git (software)
2 56 (4.68%) Visual Studio
3 36 (3.01%) TeamCity
4 33 (2.76%) Jenkins
5 32 (2.67%) Maven
5 32 (2.67%) Subversion
6 30 (2.51%) Octopus Deploy
7 28 (2.34%) JIRA
8 25 (2.09%) Bower
8 25 (2.09%) Grunt
8 25 (2.09%) gulp
9 16 (1.34%) Team Foundation Server
10 9 (0.75%) Atlassian Bamboo
10 9 (0.75%) MSBuild
11 8 (0.67%) GitLab
11 8 (0.67%) Selenium
12 6 (0.50%) Eclipse
12 6 (0.50%) PhpStorm
13 5 (0.42%) Gradle
14 4 (0.33%) PhantomJS
General
1 338 (28.24%) Finance
2 137 (11.45%) Banking
3 42 (3.51%) Marketing
4 36 (3.01%) Telecoms
5 33 (2.76%) Retail
6 29 (2.42%) Advertising
7 25 (2.09%) Games
8 14 (1.17%) Law
9 11 (0.92%) Investment Banking
9 11 (0.92%) Manufacturing
10 10 (0.84%) Automotive
11 9 (0.75%) Electronics
11 9 (0.75%) Legal
12 8 (0.67%) Financial Institution
13 2 (0.17%) Front Office
13 2 (0.17%) Multimedia
13 2 (0.17%) Pharmaceutical
14 1 (0.084%) Back Office
14 1 (0.084%) Billing
14 1 (0.084%) Publishing
Job Titles
1 272 (22.72%) DBA
2 216 (18.05%) SQL DBA
3 184 (15.37%) Administrator
4 125 (10.44%) Infrastructure Engineer
5 115 (9.61%) Developer
6 113 (9.44%) SQL Server DBA
7 77 (6.43%) Architect
8 74 (6.18%) Support Engineer
9 67 (5.60%) Analyst
10 62 (5.18%) Linux Engineer
11 60 (5.01%) 3rd Line Engineer
11 60 (5.01%) Systems Engineer
12 57 (4.76%) DevOps Engineer
13 55 (4.59%) Systems Administrator
14 51 (4.26%) Cisco Engineer
15 48 (4.01%) IT Engineer
16 46 (3.84%) BizTalk Developer
17 45 (3.76%) Network Engineer
18 41 (3.43%) Infrastructure Analyst
18 41 (3.43%) Senior DBA
Libraries, Frameworks & Software Standards
1 113 (9.44%) .NET
2 55 (4.59%) ASP.NET
3 48 (4.01%) XMPP
4 46 (3.84%) Web Services
5 43 (3.59%) HTML
6 41 (3.43%) HTML5
7 38 (3.17%) Middleware
8 34 (2.84%) Elastic Stack
9 32 (2.67%) ActiveMQ
9 32 (2.67%) Natural Language Processing
10 30 (2.51%) Node.js
11 19 (1.59%) J2EE
12 17 (1.42%) WCF
12 17 (1.42%) XML
13 16 (1.34%) Kafka
14 15 (1.25%) LAMP
15 13 (1.09%) EDI
15 13 (1.09%) JMS
16 12 (1.00%) React
17 11 (0.92%) Oracle GoldenGate
Miscellaneous
1 193 (16.12%) Replication
2 150 (12.53%) Data Centre
3 100 (8.35%) Analytical Skills
4 38 (3.17%) Management Information System
5 30 (2.51%) Client/Server
5 30 (2.51%) Fintech
6 24 (2.01%) Public Cloud
7 23 (1.92%) Computer Science
7 23 (1.92%) Greenfield Project
8 19 (1.59%) Enterprise Storage
9 17 (1.42%) Algorithms
9 17 (1.42%) Enterprise Software
10 16 (1.34%) Hybrid Cloud
11 15 (1.25%) EMC VMAX
11 15 (1.25%) EMC VNX
12 13 (1.09%) iPad
13 10 (0.84%) Blackberry
13 10 (0.84%) PKI
14 8 (0.67%) Private Cloud
14 8 (0.67%) Social Media
Operating Systems
1 595 (49.71%) Windows
2 365 (30.49%) Linux
3 335 (27.99%) Windows Server
4 231 (19.30%) Windows Server 2012
5 207 (17.29%) Windows Server 2008
6 116 (9.69%) Unix
7 94 (7.85%) Red Hat Enterprise Linux
8 72 (6.02%) Solaris
9 66 (5.51%) Windows Server 2003
10 50 (4.18%) AIX
11 22 (1.84%) CentOS
12 21 (1.75%) Windows 7
13 20 (1.67%) Ubuntu
13 20 (1.67%) Windows 10
14 16 (1.34%) HPUX
15 14 (1.17%) Windows 8
16 11 (0.92%) SUSE
17 7 (0.58%) Debian
18 5 (0.42%) Oracle Linux
19 4 (0.33%) SmartOS
Processes & Methodologies
1 257 (21.47%) High Availability
2 228 (19.05%) ITIL
3 198 (16.54%) Performance Tuning
4 190 (15.87%) Agile Software Development
5 169 (14.12%) Disaster Recovery
6 143 (11.95%) Load Balancing
7 140 (11.70%) DevOps
8 129 (10.78%) Continuous Integration
9 88 (7.35%) Scrum
10 87 (7.27%) Change Management
11 86 (7.18%) ETL
12 84 (7.02%) Migration
13 82 (6.85%) Business Intelligence
13 82 (6.85%) TDD
14 79 (6.60%) Mentoring
15 71 (5.93%) SDLC
16 70 (5.85%) Capacity Planning
17 66 (5.51%) Network Load Balancing
18 64 (5.35%) Service Delivery
19 60 (5.01%) Root Cause Analysis
Programming Languages
1 551 (46.03%) SQL
2 224 (18.71%) PowerShell
3 190 (15.87%) T-SQL
4 112 (9.36%) Java
4 112 (9.36%) Python
5 90 (7.52%) JavaScript
6 77 (6.43%) Shell Script
7 69 (5.76%) Bash Shell
8 62 (5.18%) C#
9 48 (4.01%) Perl
10 44 (3.68%) VBScript
11 31 (2.59%) Ruby
12 22 (1.84%) PHP
12 22 (1.84%) VB
13 21 (1.75%) PL/SQL
14 18 (1.50%) C
15 11 (0.92%) ActionScript
15 11 (0.92%) ActionScript 2.0
15 11 (0.92%) AWK
15 11 (0.92%) Scala
Qualifications
1 153 (12.78%) Microsoft Certification
2 105 (8.77%) Cisco Certification
3 79 (6.60%) MCSE
4 69 (5.76%) CCNP
4 69 (5.76%) Degree
5 66 (5.51%) CCIE
6 56 (4.68%) CCNA
7 50 (4.18%) VMware Certified Professional (VCP)
8 48 (4.01%) CCVP
9 42 (3.51%) MCSA
10 40 (3.34%) VERITAS Certified Professional (VCP)
11 36 (3.01%) MCITP
12 29 (2.42%) Security Cleared
13 23 (1.92%) MCP
14 22 (1.84%) CCNP Voice
15 20 (1.67%) SC Cleared
16 13 (1.09%) Citrix Certification
17 12 (1.00%) Computer Science Degree
17 12 (1.00%) MCDBA
18 11 (0.92%) CompTIA Security+
Quality Assurance & Compliance
1 76 (6.35%) SLA
2 41 (3.43%) PCI DSS
3 35 (2.92%) ISO/IEC 27001
4 14 (1.17%) ISO 9001
5 13 (1.09%) QA
6 12 (1.00%) Data Quality
7 8 (0.67%) HIPAA
8 7 (0.58%) GDPR
8 7 (0.58%) PMO
9 4 (0.33%) ISO/IEC 20000
10 3 (0.25%) ISO 22301
10 3 (0.25%) Sarbanes-Oxley
11 1 (0.084%) Cyber Essentials
11 1 (0.084%) Cyber Essentials PLUS
11 1 (0.084%) ISO 9000
System Software
1 396 (33.08%) Active Directory
2 281 (23.48%) VMware Infrastructure
3 193 (16.12%) Hyper-V
4 130 (10.86%) VMware ESXi
5 94 (7.85%) Docker
6 49 (4.09%) XenApp
7 40 (3.34%) vSphere
8 35 (2.92%) Veritas Cluster Server
9 31 (2.59%) Virtual Machines
10 29 (2.42%) XenDesktop
11 26 (2.17%) Oracle RAC
12 25 (2.09%) NFS
13 22 (1.84%) iptables
14 18 (1.50%) Microsoft App-V
14 18 (1.50%) Virtual Servers
15 15 (1.25%) Terminal Services
16 14 (1.17%) KVM
16 14 (1.17%) XenServer
17 12 (1.00%) Firmware
17 12 (1.00%) UAG
Systems Management
1 167 (13.95%) Microsoft Clustering
2 109 (9.11%) SCCM
3 80 (6.68%) SCOM
4 69 (5.76%) Failover Clustering
5 67 (5.60%) vCenter Server
6 64 (5.35%) Puppet
7 59 (4.93%) Backup Exec
8 55 (4.59%) Cisco CUCM
9 50 (4.18%) Ansible
9 50 (4.18%) Kubernetes
10 49 (4.09%) Opscode Chef
11 48 (4.01%) Cisco UCCE
11 48 (4.01%) Cisco UCCX
12 44 (3.68%) WSUS
13 36 (3.01%) Symantec Enterprise Vault
14 26 (2.17%) Nagios
15 25 (2.09%) Docker Swarm
15 25 (2.09%) Terraform
16 23 (1.92%) Symantec Endpoint Protection
16 23 (1.92%) Tivoli Storage Manager
Vendors
1 541 (45.20%) Microsoft
2 409 (34.17%) VMware
3 239 (19.97%) Cisco
4 175 (14.62%) Oracle
5 139 (11.61%) HP
6 120 (10.03%) Red Hat
7 109 (9.11%) Citrix
8 98 (8.19%) Veritas
9 93 (7.77%) Symantec
10 70 (5.85%) Juniper
11 65 (5.43%) Dell
12 64 (5.35%) NetApp
13 63 (5.26%) SolarWinds
14 61 (5.10%) IBM
15 60 (5.01%) F5
16 49 (4.09%) Sybase
17 44 (3.68%) EMC
18 38 (3.17%) SAP
19 35 (2.92%) Veeam
20 32 (2.67%) Splunk