The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 3 months to 30 March 2017 with a comparison to the same period over the previous 2 years.

Clustering
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 159 181 212
Rank change year-on-year +22 +31  
Permanent jobs citing Clustering 69 82 116
As % of all permanent IT jobs advertised in the City of London 1.33% 1.14% 1.11%
As % of the Miscellaneous category 2.85% 2.56% 2.62%
Number of salaries quoted 68 79 102
Median salary £60,000 £57,500 £60,000
Median salary % change year-on-year +4.34% -4.16%  
90% offered a salary of more than £45,000 £44,500 £45,000
10% offered a salary of more than £80,750 £72,500 £70,000
UK excluding London median salary £44,000 £45,000 £42,500
% change year-on-year -2.22% +5.88%  

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 advertised in the City of London with a requirement for generic IT skills.

Generic IT Skills
City of London
Permanent job vacancies with a requirement for generic IT skills 2417 3203 4427
As % of all permanent IT job vacancies advertised in the City of London 46.70% 44.49% 42.54%
Number of salaries quoted 2230 2786 3653
Median salary £62,500 £60,000 £55,000
Median salary % change year-on-year +4.16% +9.09%  
90% offered a salary of more than £35,000 £39,000 £35,000
10% offered a salary of more than £90,000 £82,500 £85,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

Clustering
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Clustering as a proportion of all permanent or contract IT jobs with a match in the Miscellaneous category.

Job vacancy trend for Clustering in the City of London

Clustering
Salary Trend in the City of London

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

Salary trend for Clustering in the City of London

Clustering
Salary Histogram in the City of London

The salary distribution of IT jobs citing Clustering in the City of London over the 3 months to 30 March 2017.

Salary histogram for Clustering in the City of London

For the 6 months to 30 March 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 City of London region with a requirement for Clustering.

1 54 (49.54%) Windows
2 52 (47.71%) Microsoft
3 45 (41.28%) Finance
4 43 (39.45%) VMware
4 43 (39.45%) SQL Server
5 42 (38.53%) ITIL
6 35 (32.11%) SQL
6 35 (32.11%) SAN
6 35 (32.11%) VMware Infrastructure
6 35 (32.11%) Windows Server 2012
7 34 (31.19%) High Availability
7 34 (31.19%) Active Directory
8 33 (30.28%) Windows Server 2008
9 32 (29.36%) Windows Server
9 32 (29.36%) MS Exchange
10 26 (23.85%) Citrix
11 25 (22.94%) Exchange Server 2010
12 24 (22.02%) Disaster Recovery
13 23 (21.10%) Linux
13 23 (21.10%) SCOM
13 23 (21.10%) XenApp
14 22 (20.18%) PowerShell
15 20 (18.35%) IIS
15 20 (18.35%) DNS
16 19 (17.43%) Unix
16 19 (17.43%) Virtual Infrastructure
17 18 (16.51%) SCCM
17 18 (16.51%) Firewall
18 17 (15.60%) Oracle
18 17 (15.60%) SharePoint

Clustering
Co-occurring IT Skills in the City of London 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 32 (29.36%) MS Exchange
2 25 (22.94%) Exchange Server 2010
3 20 (18.35%) IIS
4 17 (15.60%) SharePoint
5 16 (14.68%) Skype for Business
6 15 (13.76%) Exchange Server 2013
7 12 (11.01%) SharePoint 2013
8 10 (9.17%) Exchange Server 2007
9 9 (8.26%) Apache
10 4 (3.67%) JBoss
10 4 (3.67%) WebLogic
11 3 (2.75%) Tomcat
11 3 (2.75%) WebSphere
12 2 (1.83%) Apache ServiceMix
12 2 (1.83%) Blackberry Enterprise Server
12 2 (1.83%) CMS
12 2 (1.83%) Exchange Server 2003
12 2 (1.83%) SAS
12 2 (1.83%) Umbraco
13 1 (0.92%) OpenStack
Applications
1 7 (6.42%) MS Excel
2 1 (0.92%) MS Office
2 1 (0.92%) MS PowerPoint
2 1 (0.92%) MS Project
2 1 (0.92%) MS Visio
Business Applications
1 6 (5.50%) Siebel Analytics
2 1 (0.92%) Cognos Business Intelligence
Cloud Services
1 8 (7.34%) Microsoft Azure
2 6 (5.50%) Amazon AWS
3 4 (3.67%) Office 365
4 3 (2.75%) Cloud Computing
4 3 (2.75%) IaaS
5 2 (1.83%) Mimecast
5 2 (1.83%) SaaS
6 1 (0.92%) Azure Active Directory
Communications & Networking
1 35 (32.11%) SAN
2 20 (18.35%) DNS
3 18 (16.51%) Firewall
4 16 (14.68%) iSCSI
5 15 (13.76%) Skype
6 14 (12.84%) Network Security
7 13 (11.93%) Cisco ASA
8 12 (11.01%) Wireless
9 11 (10.09%) DHCP
10 10 (9.17%) NetScaler
10 10 (9.17%) VPN
11 7 (6.42%) BGP
11 7 (6.42%) Cisco Nexus
11 7 (6.42%) F5 BIG-IP GTM
11 7 (6.42%) F5 BIG-IP LTM
11 7 (6.42%) FCoE
11 7 (6.42%) Fibre Channel
11 7 (6.42%) IPv4
11 7 (6.42%) IPv6
11 7 (6.42%) MPLS
Database & Business Intelligence
1 43 (39.45%) SQL Server
2 16 (14.68%) SQL Server Integration Services
3 14 (12.84%) SQL Server Reporting Services
4 13 (11.93%) SQL Server 2008
5 7 (6.42%) Relational Database
5 7 (6.42%) SQL Server Analysis Services
6 6 (5.50%) NoSQL
6 6 (5.50%) Oracle BI EE
7 5 (4.59%) SQL Server 2014
8 4 (3.67%) Microsoft Analysis Services
8 4 (3.67%) MySQL
8 4 (3.67%) OLAP
8 4 (3.67%) OLTP
9 3 (2.75%) Amazon RDS
9 3 (2.75%) Oracle Database
10 2 (1.83%) Big Data
10 2 (1.83%) Business Intelligence Development Studio
10 2 (1.83%) Data Mining
10 2 (1.83%) Hadoop
11 1 (0.92%) RDBMS
Development Applications
1 6 (5.50%) Team Foundation Server
2 5 (4.59%) Jenkins
3 3 (2.75%) Subversion
4 2 (1.83%) Cucumber
4 2 (1.83%) Git (software)
4 2 (1.83%) JMeter
4 2 (1.83%) Selenium
4 2 (1.83%) Visual Studio Team System
5 1 (0.92%) JIRA
General
1 45 (41.28%) Finance
2 6 (5.50%) Banking
2 6 (5.50%) Games
2 6 (5.50%) Marketing
3 3 (2.75%) Back Office
3 3 (2.75%) Front Office
3 3 (2.75%) Telecoms
4 1 (0.92%) Advertising
4 1 (0.92%) Law
4 1 (0.92%) Legal
4 1 (0.92%) Retail
Job Titles
1 16 (14.68%) Support Engineer
2 14 (12.84%) DBA
3 13 (11.93%) Administrator
3 13 (11.93%) Analyst
3 13 (11.93%) SQL DBA
3 13 (11.93%) Windows Engineer
4 12 (11.01%) Infrastructure Analyst
5 11 (10.09%) Senior Windows Engineer
6 10 (9.17%) Architect
6 10 (9.17%) Solutions Architect
7 7 (6.42%) SQL Server DBA
7 7 (6.42%) Unix Administrator
8 6 (5.50%) Developer
8 6 (5.50%) Infrastructure Architect
8 6 (5.50%) Infrastructure Solutions Architect
8 6 (5.50%) Network Infrastructure Architect
8 6 (5.50%) Systems Administrator
8 6 (5.50%) Unix Systems Administrator
8 6 (5.50%) VMware Architect
9 4 (3.67%) Data Centre Project Manager
Libraries, Frameworks & Software Standards
1 11 (10.09%) 802.1X
2 4 (3.67%) J2EE
2 4 (3.67%) jQuery
2 4 (3.67%) Middleware
2 4 (3.67%) Spring
3 3 (2.75%) Apache Camel
3 3 (2.75%) Hibernate
3 3 (2.75%) OSGi
3 3 (2.75%) Web Services
4 2 (1.83%) AngularJS
4 2 (1.83%) ASP.NET MVC
4 2 (1.83%) CSS3
4 2 (1.83%) Entity Framework
4 2 (1.83%) GWT
4 2 (1.83%) HTML5
4 2 (1.83%) NumPy
4 2 (1.83%) REST
4 2 (1.83%) scikit-learn
4 2 (1.83%) SciPy
4 2 (1.83%) WCF
Miscellaneous
1 15 (13.76%) Data Centre
2 14 (12.84%) PKI
3 10 (9.17%) Fintech
3 10 (9.17%) HP StoreVirtual
4 9 (8.26%) Replication
5 4 (3.67%) Client/Server
6 3 (2.75%) Enterprise Software
6 3 (2.75%) Fixed Income
7 2 (1.83%) Algorithms
7 2 (1.83%) Analytical Skills
7 2 (1.83%) Blackberry
7 2 (1.83%) Computer Science
7 2 (1.83%) PMI
8 1 (0.92%) Field-Programmable Gate Array
8 1 (0.92%) Foreign Exchange (FX)
8 1 (0.92%) Linux Command Line
8 1 (0.92%) Management Information System
8 1 (0.92%) N-Tier
8 1 (0.92%) Reinsurance
8 1 (0.92%) Spread Betting
Operating Systems
1 54 (49.54%) Windows
2 35 (32.11%) Windows Server 2012
3 33 (30.28%) Windows Server 2008
4 32 (29.36%) Windows Server
5 23 (21.10%) Linux
6 19 (17.43%) Unix
7 15 (13.76%) Red Hat Enterprise Linux
8 8 (7.34%) Solaris
9 7 (6.42%) SUSE
10 2 (1.83%) AIX
10 2 (1.83%) Android
10 2 (1.83%) Apple iOS
10 2 (1.83%) HPUX
11 1 (0.92%) Mac OS
11 1 (0.92%) Mac OS X
11 1 (0.92%) SUSE Linux Enterprise Server
11 1 (0.92%) Windows Server 2003
Processes & Methodologies
1 42 (38.53%) ITIL
2 34 (31.19%) High Availability
3 24 (22.02%) Disaster Recovery
4 19 (17.43%) Virtual Infrastructure
5 17 (15.60%) Performance Tuning
6 16 (14.68%) Migration
7 14 (12.84%) Security Patching
8 13 (11.93%) Load Balancing
8 13 (11.93%) Release Management
9 10 (9.17%) Configuration Management
10 9 (8.26%) Capacity Planning
10 9 (8.26%) User Acceptance Testing
11 8 (7.34%) Analytics
11 8 (7.34%) ETL
11 8 (7.34%) SDLC
12 7 (6.42%) Business Intelligence
12 7 (6.42%) DevOps
12 7 (6.42%) Network Design
12 7 (6.42%) Open Source
12 7 (6.42%) Project Management
Programming Languages
1 35 (32.11%) SQL
2 22 (20.18%) PowerShell
3 14 (12.84%) JavaScript
4 13 (11.93%) VB
5 9 (8.26%) Java
5 9 (8.26%) Perl
6 7 (6.42%) Bash Shell
6 7 (6.42%) VBScript
7 6 (5.50%) Python
8 5 (4.59%) Shell Script
9 4 (3.67%) C
10 3 (2.75%) T-SQL
11 2 (1.83%) C#
11 2 (1.83%) R
12 1 (0.92%) Jython
12 1 (0.92%) MATLAB
12 1 (0.92%) VBA
Qualifications
1 16 (14.68%) Degree
2 11 (10.09%) Microsoft Certification
3 8 (7.34%) MCSE
4 5 (4.59%) Cisco Certification
4 5 (4.59%) MCSA
5 4 (3.67%) CCNP
6 3 (2.75%) SC Cleared
6 3 (2.75%) Security Cleared
7 2 (1.83%) MCITP
7 2 (1.83%) PhD
7 2 (1.83%) PMI Certification
7 2 (1.83%) VMware Certified Professional (VCP)
8 1 (0.92%) CCNA
8 1 (0.92%) ITIL Certification
Quality Assurance & Compliance
1 9 (8.26%) QA
2 1 (0.92%) Sarbanes-Oxley
2 1 (0.92%) SLA
System Software
1 35 (32.11%) VMware Infrastructure
2 34 (31.19%) Active Directory
3 23 (21.10%) XenApp
4 15 (13.76%) vSphere
5 12 (11.01%) XenDesktop
6 9 (8.26%) Hyper-V
7 3 (2.75%) Veritas Cluster Server
8 2 (1.83%) Virtual Machines
9 1 (0.92%) Virtual Servers
9 1 (0.92%) VMware ESX
9 1 (0.92%) VMware ESXi
Systems Management
1 23 (21.10%) SCOM
2 18 (16.51%) SCCM
3 15 (13.76%) WSUS
4 12 (11.01%) Microsoft Clustering
5 11 (10.09%) Puppet
6 3 (2.75%) Failover Clustering
7 2 (1.83%) Ansible
7 2 (1.83%) EMC NetWorker
8 1 (0.92%) Backup Exec
8 1 (0.92%) Control-M
8 1 (0.92%) Nagios
8 1 (0.92%) NetBackup
8 1 (0.92%) OpenView
Vendors
1 52 (47.71%) Microsoft
2 43 (39.45%) VMware
3 26 (23.85%) Citrix
4 17 (15.60%) Cisco
4 17 (15.60%) Oracle
5 15 (13.76%) HP
6 12 (11.01%) NetApp
7 11 (10.09%) Red Hat
8 10 (9.17%) 3PAR
8 10 (9.17%) SolarWinds
9 9 (8.26%) Veritas
10 8 (7.34%) Dell
11 7 (6.42%) F5
12 6 (5.50%) Siebel
13 5 (4.59%) Sun
14 4 (3.67%) Cadence
14 4 (3.67%) CheckPoint
14 4 (3.67%) Fortinet
14 4 (3.67%) IBM
14 4 (3.67%) Juniper
City, London
I3
Salary: £80000 - £83000 per day + bonus + benefits
Posted: 2 hours ago
City, London
Millshill Recruitment Ltd
Salary: £60000 per annum + bens
Posted: 8 hours ago
City, London
SoCode Limited
Salary: £40k - 45k per year + +Benefits + Bonus
Posted: 6 days ago
City, London
Harrington Starr
Salary: £45000 - £55000 per annum
Posted: 5 days ago
City, London
Dataquest UK Ltd
Salary: From £0 to £30,000 per annum Depending on experience, plus travel
Posted: 17 days ago