Period
to 16 August 2017

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

Clustering
UK
6 months to
16 Aug 2017
Same period 2016 Same period 2015
Rank 431 365 292
Rank change year-on-year -66 -73 -14
Permanent jobs citing Clustering 1233 1692 2358
As % of all permanent IT jobs advertised in the UK 0.70% 0.85% 1.09%
As % of the Miscellaneous category 1.63% 2.05% 2.64%
Number of salaries quoted 1020 1425 1921
UK median annual salary £50,000 £50,000 £48,500
Median salary % change year-on-year - +3.09% +2.11%
10th Percentile £35,000 £33,850 £32,500
90th Percentile £75,000 £70,000 £73,750
UK excluding London median annual salary £45,000 £45,000 £45,000

Clustering is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for generic IT skills.

Generic IT Skills
UK
Permanent job vacancies with a requirement for generic IT skills 75584 82519 89404
As % of all permanent IT job vacancies advertised in the UK 42.78% 41.66% 41.15%
Number of salaries quoted 57618 67459 71200
UK median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £27,500 £27,250 £26,250
90th Percentile £82,500 £80,000 £77,500
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

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 16 August 2017.

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 16 August 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
England -66 1172 £50,000 - 86
UK excluding London -102 607 £45,000 - 59
London -10 591 £57,500 +4.55% 28
South East -34 268 £50,000 +5.26% 19
North of England -62 153 £42,500 -1.16% 18
Midlands -12 91 £42,500 - 15
North West -76 80 £42,500 -5.56% 7
Yorkshire -11 68 £42,000 -1.18% 10
West Midlands -22 49 £41,628 -9.99% 3
East Midlands +16 43 £45,000 +5.88% 12
East of England -58 37 £43,000 -9.47% 3
South West -51 29 £37,250 -12.35% 3
Scotland +5 23 £41,250 -4.07% 1
Wales -2 7 £36,116 -6.80%
North East +26 5 £36,000 -18.18% 1

For the 6 months to 16 August 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 with a requirement for Clustering.

1 631 (51.18%) Windows
2 613 (49.72%) SQL
3 603 (48.91%) SQL Server
4 554 (44.93%) Microsoft
5 423 (34.31%) Active Directory
6 387 (31.39%) VMware
7 384 (31.14%) Linux
8 372 (30.17%) Windows Server
9 324 (26.28%) Finance
10 317 (25.71%) High Availability
11 270 (21.90%) ITIL
11 270 (21.90%) SQL Server Integration Services
12 258 (20.92%) VMware Infrastructure
13 255 (20.68%) PowerShell
13 255 (20.68%) SAN
14 241 (19.55%) Replication
15 238 (19.30%) Performance Tuning
16 215 (17.44%) Windows Server 2008
17 212 (17.19%) SQL Server Reporting Services
18 210 (17.03%) Windows Server 2012
19 209 (16.95%) T-SQL
20 202 (16.38%) Disaster Recovery
21 200 (16.22%) Hyper-V
22 196 (15.90%) DNS
23 193 (15.65%) SQL Server 2008
24 188 (15.25%) MS Exchange
25 179 (14.52%) Agile Software Development
26 177 (14.36%) Cisco
27 173 (14.03%) Firewall
27 173 (14.03%) Microsoft Azure

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
1 188 (15.25%) MS Exchange
2 142 (11.52%) IIS
3 109 (8.84%) Exchange Server 2010
4 77 (6.24%) SharePoint
5 66 (5.35%) Apache
6 63 (5.11%) Exchange Server 2013
7 50 (4.06%) Skype for Business
8 49 (3.97%) BizTalk Server
9 34 (2.76%) Tomcat
10 31 (2.51%) WebLogic
11 29 (2.35%) Exchange Server 2007
12 28 (2.27%) JBoss
13 22 (1.78%) nginx
14 21 (1.70%) CMS
14 21 (1.70%) SharePoint 2010
15 19 (1.54%) OpenStack
16 18 (1.46%) SharePoint 2013
16 18 (1.46%) WebSphere
17 16 (1.30%) Elasticsearch
18 11 (0.89%) Apache Spark
Applications
1 30 (2.43%) Microsoft Office
2 17 (1.38%) MS Visio
3 12 (0.97%) Microsoft Project
4 11 (0.89%) Microsoft PowerPoint
5 4 (0.32%) Microsoft Excel
6 1 (0.081%) HipChat
Business Applications
1 17 (1.38%) Oracle EBS
2 9 (0.73%) Siebel Analytics
3 8 (0.65%) Oracle Applications
4 7 (0.57%) Dynamics AX
5 6 (0.49%) Remedy ITSM
5 6 (0.49%) Revive Adserver
6 5 (0.41%) Dynamics NAV
7 4 (0.32%) Dynamics CRM
8 3 (0.24%) Oracle Procure-to-Pay
9 2 (0.16%) Cognos Business Intelligence
10 1 (0.081%) Oracle BPM
Cloud Services
1 173 (14.03%) Microsoft Azure
2 138 (11.19%) Amazon AWS
3 113 (9.16%) Office 365
4 45 (3.65%) IaaS
5 31 (2.51%) SaaS
6 29 (2.35%) PaaS
7 11 (0.89%) OpenShift
8 10 (0.81%) Cloud Computing
9 9 (0.73%) Amazon EC2
9 9 (0.73%) Azure Active Directory
10 7 (0.57%) Amazon S3
11 6 (0.49%) AWS CloudFormation
11 6 (0.49%) AWS Lambda
11 6 (0.49%) Joyent
12 4 (0.32%) Amazon SQS
12 4 (0.32%) Google Cloud Platform
13 3 (0.24%) GitHub
14 2 (0.16%) Amazon Glacier
14 2 (0.16%) Datadog
14 2 (0.16%) Mimecast
Communications & Networking
1 255 (20.68%) SAN
2 196 (15.90%) DNS
3 173 (14.03%) Firewall
4 129 (10.46%) TCP/IP
5 126 (10.22%) DHCP
6 102 (8.27%) WAN
7 80 (6.49%) VPN
8 75 (6.08%) NAS
9 61 (4.95%) VoIP
10 60 (4.87%) VLAN
11 59 (4.79%) LAN
12 53 (4.30%) SSL
13 51 (4.14%) iSCSI
14 50 (4.06%) MPLS
15 42 (3.41%) Internet
16 37 (3.00%) HTTP
16 37 (3.00%) Remote Desktop
17 33 (2.68%) BGP
18 29 (2.35%) Network Security
19 28 (2.27%) Cisco ASA
Database & Business Intelligence
1 603 (48.91%) SQL Server
2 270 (21.90%) SQL Server Integration Services
3 212 (17.19%) SQL Server Reporting Services
4 193 (15.65%) SQL Server 2008
5 141 (11.44%) SQL Server Analysis Services
6 128 (10.38%) MySQL
7 96 (7.79%) NoSQL
8 92 (7.46%) Data Warehouse
9 86 (6.97%) MongoDB
10 84 (6.81%) SQL Server 2014
11 79 (6.41%) SQL Server 2012
12 70 (5.68%) Microsoft Analysis Services
13 65 (5.27%) SQL Server 2016
14 64 (5.19%) Relational Database
15 58 (4.70%) Oracle Database
16 52 (4.22%) SQL Server 2005
17 48 (3.89%) Hadoop
18 36 (2.92%) RDBMS
18 36 (2.92%) Redis
19 31 (2.51%) MariaDB
Development Applications
1 97 (7.87%) Git (software)
2 51 (4.14%) Visual Studio
3 35 (2.84%) Jenkins
4 30 (2.43%) Maven
5 26 (2.11%) Bower
5 26 (2.11%) Grunt
5 26 (2.11%) gulp
5 26 (2.11%) Subversion
6 21 (1.70%) TeamCity
7 20 (1.62%) Octopus Deploy
8 15 (1.22%) Team Foundation Server
9 13 (1.05%) JIRA
10 10 (0.81%) Selenium
11 7 (0.57%) PhantomJS
11 7 (0.57%) PhpStorm
12 6 (0.49%) Eclipse
12 6 (0.49%) GitLab
13 5 (0.41%) Gradle
14 4 (0.32%) Atlassian Bamboo
15 3 (0.24%) SoapUI
General
1 324 (26.28%) Finance
2 97 (7.87%) Banking
3 49 (3.97%) Marketing
4 38 (3.08%) Telecoms
5 29 (2.35%) Advertising
6 27 (2.19%) Games
6 27 (2.19%) Manufacturing
7 22 (1.78%) Retail
8 20 (1.62%) Law
9 13 (1.05%) Legal
10 10 (0.81%) Investment Banking
11 8 (0.65%) Electronics
12 4 (0.32%) Automotive
12 4 (0.32%) Back Office
12 4 (0.32%) Financial Institution
12 4 (0.32%) Music Industry
13 2 (0.16%) Multimedia
13 2 (0.16%) Pharmaceutical
14 1 (0.081%) Billing
14 1 (0.081%) Publishing
Job Titles
1 325 (26.36%) DBA
2 272 (22.06%) SQL DBA
3 181 (14.68%) Administrator
4 151 (12.25%) SQL Server DBA
5 134 (10.87%) Infrastructure Engineer
6 116 (9.41%) Developer
7 77 (6.24%) Support Engineer
8 66 (5.35%) Architect
9 57 (4.62%) Analyst
10 56 (4.54%) Linux Engineer
11 55 (4.46%) Consultant
11 55 (4.46%) DevOps Engineer
12 53 (4.30%) Systems Administrator
13 51 (4.14%) Senior DBA
14 50 (4.06%) 3rd Line Engineer
15 45 (3.65%) Technical Support
16 43 (3.49%) Systems Engineer
17 42 (3.41%) Cisco Engineer
17 42 (3.41%) Java Developer
18 40 (3.24%) 3rd Line Support
Libraries, Frameworks & Software Standards
1 98 (7.95%) .NET
2 46 (3.73%) ASP.NET
3 44 (3.57%) Web Services
4 39 (3.16%) HTML
5 37 (3.00%) HTML5
6 34 (2.76%) Elastic Stack
7 33 (2.68%) ActiveMQ
7 33 (2.68%) Middleware
8 31 (2.51%) Node.js
9 26 (2.11%) XML
10 21 (1.70%) Natural Language Processing
11 20 (1.62%) WCF
12 17 (1.38%) XMPP
13 16 (1.30%) J2EE
14 15 (1.22%) jQuery
14 15 (1.22%) LAMP
14 15 (1.22%) Oracle GoldenGate
15 14 (1.14%) Kafka
16 12 (0.97%) JMS
17 11 (0.89%) JSF
Miscellaneous
1 241 (19.55%) Replication
2 120 (9.73%) Data Centre
3 108 (8.76%) Analytical Skills
4 37 (3.00%) Management Information System
5 33 (2.68%) Hybrid Cloud
6 23 (1.87%) Enterprise Storage
6 23 (1.87%) Greenfield Project
7 22 (1.78%) Client/Server
8 18 (1.46%) Computer Science
9 17 (1.38%) Fintech
9 17 (1.38%) Social Media
10 14 (1.14%) Algorithms
10 14 (1.14%) FMCG
11 13 (1.05%) Enterprise Software
12 12 (0.97%) iPad
13 11 (0.89%) Blackberry
13 11 (0.89%) Public Cloud
14 10 (0.81%) Foreign Exchange (FX)
15 9 (0.73%) EMC VNX
15 9 (0.73%) Hedge funds
Operating Systems
1 631 (51.18%) Windows
2 384 (31.14%) Linux
3 372 (30.17%) Windows Server
4 215 (17.44%) Windows Server 2008
5 210 (17.03%) Windows Server 2012
6 128 (10.38%) Unix
7 95 (7.70%) Red Hat Enterprise Linux
8 64 (5.19%) Windows Server 2003
9 60 (4.87%) Solaris
10 49 (3.97%) AIX
11 22 (1.78%) CentOS
12 20 (1.62%) HPUX
13 18 (1.46%) Ubuntu
14 16 (1.30%) Windows 7
15 9 (0.73%) SUSE
15 9 (0.73%) Windows 10
16 7 (0.57%) Debian
17 5 (0.41%) SUSE Linux Enterprise Server
17 5 (0.41%) Windows 8
18 4 (0.32%) SmartOS
Processes & Methodologies
1 317 (25.71%) High Availability
2 270 (21.90%) ITIL
3 238 (19.30%) Performance Tuning
4 202 (16.38%) Disaster Recovery
5 179 (14.52%) Agile Software Development
6 133 (10.79%) Load Balancing
7 127 (10.30%) Business Intelligence
8 121 (9.81%) DevOps
9 115 (9.33%) Continuous Integration
10 96 (7.79%) Change Management
11 92 (7.46%) Capacity Planning
12 85 (6.89%) ETL
13 81 (6.57%) Scrum
14 76 (6.16%) Performance Monitoring
15 74 (6.00%) SDLC
16 71 (5.76%) TDD
17 70 (5.68%) Migration
18 68 (5.52%) Mentoring
18 68 (5.52%) Service Delivery
19 65 (5.27%) Project Management
Programming Languages
1 613 (49.72%) SQL
2 255 (20.68%) PowerShell
3 209 (16.95%) T-SQL
4 122 (9.89%) Python
5 108 (8.76%) JavaScript
6 98 (7.95%) Java
7 63 (5.11%) Perl
8 60 (4.87%) C#
8 60 (4.87%) VBScript
9 56 (4.54%) Shell Script
10 50 (4.06%) Bash Shell
11 38 (3.08%) Ruby
12 34 (2.76%) PHP
13 30 (2.43%) VB
14 26 (2.11%) C
15 18 (1.46%) PL/SQL
16 10 (0.81%) ActionScript
16 10 (0.81%) ActionScript 2.0
16 10 (0.81%) AWK
16 10 (0.81%) sed
Qualifications
1 157 (12.73%) Microsoft Certification
2 96 (7.79%) MCSE
3 71 (5.76%) Degree
4 61 (4.95%) Cisco Certification
5 52 (4.22%) MCSA
6 49 (3.97%) VMware Certified Professional (VCP)
7 42 (3.41%) CCNA
8 34 (2.76%) CCNP
9 33 (2.68%) CCIE
9 33 (2.68%) MCITP
9 33 (2.68%) Security Cleared
10 32 (2.60%) MCP
11 24 (1.95%) VERITAS Certified Professional (VCP)
12 22 (1.78%) CompTIA Security+
12 22 (1.78%) SC Cleared
12 22 (1.78%) Security+ Certification
13 21 (1.70%) CISSP
14 17 (1.38%) CCVP
15 15 (1.22%) Computer Science Degree
15 15 (1.22%) RHCE
Quality Assurance & Compliance
1 73 (5.92%) SLA
2 29 (2.35%) ISO/IEC 27001
3 26 (2.11%) PCI DSS
4 14 (1.14%) ISO 9001
5 13 (1.05%) QA
6 8 (0.65%) Data Quality
7 3 (0.24%) ISO 22301
7 3 (0.24%) PMO
7 3 (0.24%) Sarbanes-Oxley
8 2 (0.16%) GDPR
9 1 (0.081%) Cyber Essentials
9 1 (0.081%) Cyber Essentials PLUS
9 1 (0.081%) HIPAA
System Software
1 423 (34.31%) Active Directory
2 258 (20.92%) VMware Infrastructure
3 200 (16.22%) Hyper-V
4 117 (9.49%) VMware ESXi
5 91 (7.38%) Docker
6 52 (4.22%) vSphere
7 44 (3.57%) XenApp
8 35 (2.84%) Virtual Machines
9 27 (2.19%) Veritas Cluster Server
10 24 (1.95%) NFS
11 21 (1.70%) Microsoft App-V
11 21 (1.70%) Oracle RAC
11 21 (1.70%) XenServer
12 19 (1.54%) XenDesktop
13 16 (1.30%) iptables
13 16 (1.30%) vCloud
14 15 (1.22%) Terminal Services
15 12 (0.97%) PowerHA
15 12 (0.97%) RHEV
16 11 (0.89%) KVM
Systems Management
1 162 (13.14%) Microsoft Clustering
2 133 (10.79%) SCCM
3 95 (7.70%) SCOM
4 90 (7.30%) Failover Clustering
5 85 (6.89%) Puppet
6 64 (5.19%) Backup Exec
7 53 (4.30%) Ansible
8 51 (4.14%) Opscode Chef
9 50 (4.06%) WSUS
10 49 (3.97%) vCenter Server
11 45 (3.65%) Kubernetes
12 41 (3.33%) Nagios
13 27 (2.19%) Microsoft Data Protection Manager
14 26 (2.11%) Docker Swarm
15 23 (1.87%) Tivoli Storage Manager
16 22 (1.78%) Cisco CUCM
16 22 (1.78%) Oracle RMAN
16 22 (1.78%) SCVMM
17 21 (1.70%) Oracle Enterprise Manager
17 21 (1.70%) Symantec Enterprise Vault
Vendors
1 554 (44.93%) Microsoft
2 387 (31.39%) VMware
3 177 (14.36%) Cisco
4 165 (13.38%) Oracle
5 136 (11.03%) HP
6 127 (10.30%) Red Hat
7 104 (8.43%) Citrix
8 86 (6.97%) Veritas
9 82 (6.65%) Dell
10 73 (5.92%) IBM
11 72 (5.84%) Symantec
12 63 (5.11%) NetApp
13 53 (4.30%) EMC
14 48 (3.89%) Sybase
15 47 (3.81%) Veeam
16 45 (3.65%) Juniper
17 44 (3.57%) Splunk
18 42 (3.41%) SolarWinds
19 35 (2.84%) F5
20 33 (2.68%) SAP