Period
to 26 June 2019

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in Central London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 26 June 2019 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Clustering
London > Central London
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 240 283 212
Rank change year-on-year +43 -71 -5
Contract jobs citing Clustering 33 12 42
As % of all contract IT jobs advertised in Central London 0.39% 0.13% 0.57%
As % of the Miscellaneous category 1.14% 0.34% 1.48%
Number of daily rates quoted 25 7 27
Central London median daily rate £488 £475 £430
Median daily rate % change year-on-year +2.63% +10.47% -5.49%
10th Percentile £355 £404 £325
90th Percentile £575 £608 £590
London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +7.14%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate - £45.17 -

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Central London with a requirement for generic IT skills.

All Generic IT Skills
Central London
Contract vacancies with a requirement for generic IT skills 2,907 3,555 2,845
As % of all contract IT jobs advertised in Central London 34.40% 38.97% 38.35%
Number of daily rates quoted 2,105 2,701 2,116
Central London median daily rate £525 £520 £500
Median daily rate % change year-on-year +0.96% +4.00% +5.26%
10th Percentile £338 £315 £300
90th Percentile £678 £713 £675
London median daily rate £525 £500 £500
% change year-on-year +5.00% - +6.38%
Number of hourly rates quoted 51 55 28
Central London median hourly rate £20.50 £20.00 £16.50
Median hourly rate % change year-on-year +2.50% +21.21% -13.16%
10th Percentile £11.25 £12.79 £12.46
90th Percentile £49.13 £47.51 £29.77
London median hourly rate £24.73 £23.50 £23.00
% change year-on-year +5.21% +2.17% +14.12%

Clustering
Job Vacancy Trend in Central London

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

Job vacancy trend for Clustering in Central London

Clustering
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Clustering in Central London.

Contractor daily rate trend for Clustering in Central London

Clustering
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Clustering in Central London over the 6 months to 26 June 2019.

Contractor daily rate histogram for Clustering in Central London

Clustering
Contractor Hourly Rate Trend in Central London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Clustering in Central London.

Contractor hourly rate trend for Clustering in Central London

Clustering
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the Central London region over the 6 months to 26 June 2019. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +26 26 £488 -0.05% 3
Southwark - 1 - -
Clustering
London

For the 6 months to 26 June 2019, IT contractor 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 contract job ads across the Central London region with a requirement for Clustering.

1 21 (63.64%) Windows
2 18 (54.55%) Microsoft
3 17 (51.52%) Active Directory
3 17 (51.52%) SQL
3 17 (51.52%) PowerShell
4 13 (39.39%) Windows Server
4 13 (39.39%) Microsoft Clustering
5 12 (36.36%) Hyper-V
5 12 (36.36%) SQL Server
6 11 (33.33%) IIS
6 11 (33.33%) Microsoft Azure
7 10 (30.30%) Office 365
7 10 (30.30%) Infrastructure Engineering
7 10 (30.30%) Firewall
7 10 (30.30%) VMware
8 9 (27.27%) Replication
8 9 (27.27%) Banking
9 8 (24.24%) Citrix
9 8 (24.24%) DNS
9 8 (24.24%) SQL Server 2008
9 8 (24.24%) Skype for Business
9 8 (24.24%) XenApp
10 7 (21.21%) Windows Server 2012
10 7 (21.21%) Windows Server 2008
10 7 (21.21%) Data Protection
10 7 (21.21%) VMware Infrastructure
10 7 (21.21%) Finance
10 7 (21.21%) SAN
11 6 (18.18%) Symantec
11 6 (18.18%) Oracle

Clustering
Co-occurring IT Skills in Central 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 11 (33.33%) IIS
2 8 (24.24%) Skype for Business
3 5 (15.15%) Exchange Server 2013
4 2 (6.06%) Blackberry Enterprise Server
4 2 (6.06%) MS Exchange
5 1 (3.03%) Exchange Server 2010
5 1 (3.03%) SharePoint
Applications
1 4 (12.12%) Microsoft Office
2 1 (3.03%) Microsoft Excel
2 1 (3.03%) Microsoft PowerPoint
Cloud Services
1 11 (33.33%) Microsoft Azure
2 10 (30.30%) Office 365
3 5 (15.15%) IaaS
4 4 (12.12%) PaaS
5 2 (6.06%) Azure Active Directory
5 2 (6.06%) Azure Data Factory
5 2 (6.06%) Cloud Computing
5 2 (6.06%) GitHub
5 2 (6.06%) Google Cloud Platform
5 2 (6.06%) Mimecast
5 2 (6.06%) Power Platform
6 1 (3.03%) Amazon AWS
6 1 (3.03%) Virtual Private Cloud
Communications & Networking
1 10 (30.30%) Firewall
2 8 (24.24%) DNS
3 7 (21.21%) SAN
4 6 (18.18%) iSCSI
5 5 (15.15%) TCP/IP
6 4 (12.12%) DHCP
6 4 (12.12%) Fibre Channel
7 3 (9.09%) NAS
7 3 (9.09%) VPN
8 2 (6.06%) Network Security
8 2 (6.06%) Skype
8 2 (6.06%) VLAN
9 1 (3.03%) Cisco ASA
9 1 (3.03%) Cisco Firepower
9 1 (3.03%) Cisco Nexus
9 1 (3.03%) LAN
9 1 (3.03%) MPLS
9 1 (3.03%) NetScaler
9 1 (3.03%) WAN
9 1 (3.03%) Wireless
Database & Business Intelligence
1 12 (36.36%) SQL Server
2 8 (24.24%) SQL Server 2008
3 4 (12.12%) Big Data
3 4 (12.12%) Oracle Database
3 4 (12.12%) Oracle Database 11g
4 3 (9.09%) SQL Server 2012
4 3 (9.09%) SQL Server Integration Services
4 3 (9.09%) SQL Server Reporting Services
5 2 (6.06%) DB2
5 2 (6.06%) Power BI
5 2 (6.06%) SQL Server 2017
6 1 (3.03%) Microsoft Analysis Services
6 1 (3.03%) SQL Server 2000
6 1 (3.03%) SQL Server 2005
6 1 (3.03%) SQL Server Analysis Services
Development Applications
1 4 (12.12%) MSI
1 4 (12.12%) WiX
2 2 (6.06%) Git (software)
2 2 (6.06%) Jenkins
2 2 (6.06%) Maven
2 2 (6.06%) Team Foundation Server
General
1 9 (27.27%) Banking
2 7 (21.21%) Finance
3 4 (12.12%) Investment Banking
3 4 (12.12%) Law
4 2 (6.06%) Legal
4 2 (6.06%) Publishing
5 1 (3.03%) Advertising
5 1 (3.03%) Financial Institution
Job Titles
1 9 (27.27%) DBA
2 6 (18.18%) Infrastructure Engineer
3 5 (15.15%) Analyst
4 4 (12.12%) Administrator
4 4 (12.12%) Senior DBA
4 4 (12.12%) SQL DBA
4 4 (12.12%) Windows Engineer
5 3 (9.09%) Developer
5 3 (9.09%) DevOps Engineer
6 2 (6.06%) Architect
6 2 (6.06%) Azure Engineer
6 2 (6.06%) Cloud Architect
6 2 (6.06%) Consultant
6 2 (6.06%) Linux DevOps Engineer
6 2 (6.06%) Linux Engineer
6 2 (6.06%) Linux/Unix DevOps
6 2 (6.06%) Senior Architect
6 2 (6.06%) Senior Infrastructure Engineer
6 2 (6.06%) SQL Developer
6 2 (6.06%) Systems Analyst
Libraries, Frameworks & Software Standards
1 4 (12.12%) .NET
1 4 (12.12%) Software Packaging
2 3 (9.09%) LDAP
3 2 (6.06%) RESTful
3 2 (6.06%) Swagger
Miscellaneous
1 9 (27.27%) Replication
2 3 (9.09%) Hedge funds
3 2 (6.06%) Analytical Skills
3 2 (6.06%) Blog
3 2 (6.06%) Cloud Native
3 2 (6.06%) Public Cloud
4 1 (3.03%) EMC VNX
4 1 (3.03%) Linux Command Line
Operating Systems
1 21 (63.64%) Windows
2 13 (39.39%) Windows Server
3 7 (21.21%) Windows Server 2008
3 7 (21.21%) Windows Server 2012
4 4 (12.12%) Windows 7
5 3 (9.09%) Linux
6 2 (6.06%) Red Hat Enterprise Linux
6 2 (6.06%) Solaris
6 2 (6.06%) SUSE Linux Enterprise Server
7 1 (3.03%) Unix
7 1 (3.03%) Windows Server 2003
Processes & Methodologies
1 10 (30.30%) Infrastructure Engineering
2 7 (21.21%) Data Protection
3 6 (18.18%) DevOps
3 6 (18.18%) Problem-Solving
4 5 (15.15%) Configuration Management
4 5 (15.15%) Infrastructure as Code
5 4 (12.12%) Capacity Management
5 4 (12.12%) ETL
5 4 (12.12%) High Availability
5 4 (12.12%) Load Balancing
5 4 (12.12%) Root Cause Analysis
6 3 (9.09%) Business Continuity
6 3 (9.09%) Change Management
6 3 (9.09%) Identity Access Management
6 3 (9.09%) Migration
6 3 (9.09%) Release Management
6 3 (9.09%) Vulnerability Management
7 2 (6.06%) ETL Development
7 2 (6.06%) Infrastructure Monitoring
7 2 (6.06%) Prototyping
Programming Languages
1 17 (51.52%) PowerShell
1 17 (51.52%) SQL
2 4 (12.12%) Python
3 3 (9.09%) VB
4 2 (6.06%) C
4 2 (6.06%) Perl
4 2 (6.06%) T-SQL
5 1 (3.03%) C#
5 1 (3.03%) PHP
5 1 (3.03%) Ruby
5 1 (3.03%) Shell Script
5 1 (3.03%) VBScript
Qualifications
1 1 (3.03%) MCSA
1 1 (3.03%) MCSE
1 1 (3.03%) Microsoft Certification
Quality Assurance & Compliance
1 4 (12.12%) GDPR
System Software
1 17 (51.52%) Active Directory
2 12 (36.36%) Hyper-V
3 8 (24.24%) XenApp
4 7 (21.21%) VMware Infrastructure
5 5 (15.15%) Virtual Machines
6 4 (12.12%) Oracle RAC
6 4 (12.12%) Veritas Cluster Server
7 3 (9.09%) VMware ESXi
8 2 (6.06%) Docker
8 2 (6.06%) NFS
8 2 (6.06%) Veritas Volume Manager
8 2 (6.06%) vSphere
9 1 (3.03%) Citrix Hypervisor
9 1 (3.03%) Virtual Servers
9 1 (3.03%) XenDesktop
Systems Management
1 13 (39.39%) Microsoft Clustering
2 6 (18.18%) SCCM
3 5 (15.15%) SCOM
4 4 (12.12%) Ansible
4 4 (12.12%) Puppet
4 4 (12.12%) vMotion
5 3 (9.09%) Microsoft Data Protection Manager
5 3 (9.09%) QRadar
5 3 (9.09%) SCOrch
5 3 (9.09%) Symantec Enterprise Vault
5 3 (9.09%) Terraform
6 2 (6.06%) Opscode Chef
7 1 (3.03%) Backup Exec
7 1 (3.03%) Failover Clustering
7 1 (3.03%) Kubernetes
7 1 (3.03%) WMI
7 1 (3.03%) WSUS
7 1 (3.03%) ZABBIX
Vendors
1 18 (54.55%) Microsoft
2 10 (30.30%) VMware
3 8 (24.24%) Citrix
4 6 (18.18%) Oracle
4 6 (18.18%) Symantec
5 4 (12.12%) Veritas
6 3 (9.09%) EMC
6 3 (9.09%) F5
6 3 (9.09%) HP
6 3 (9.09%) IBM
6 3 (9.09%) NetApp
7 2 (6.06%) Cisco
7 2 (6.06%) Clearswift
7 2 (6.06%) Google
7 2 (6.06%) MobileIron
7 2 (6.06%) SolarWinds
7 2 (6.06%) Splunk
7 2 (6.06%) Sybase
8 1 (3.03%) hybris
8 1 (3.03%) Red Hat