Period
to 20 July 2018

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 20 July 2018 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
Central London > City of London
6 months to
20 Jul 2018
Same period 2017 Same period 2016
Rank 246 201 185
Rank change year-on-year -45 -16 -1
Contract jobs citing Clustering 10 28 60
As % of all contract IT jobs advertised in the City of London 0.14% 0.43% 0.88%
As % of the Miscellaneous category 0.32% 1.05% 2.18%
Number of daily rates quoted 4 20 50
City of London median daily rate £525 £450 £475
Median daily rate % change year-on-year +16.67% -5.26% +21.79%
10th Percentile £423 £346 £311
90th Percentile £623 £620 £526
Central London median daily rate £475 £450 £475
% change year-on-year +5.56% -5.26% +18.75%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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

All Generic IT Skills
City of London
Contract vacancies with a requirement for generic IT skills 3,109 2,676 2,747
As % of all contract IT jobs advertised in the City of London 43.77% 41.53% 40.10%
Number of daily rates quoted 2,394 2,033 2,231
City of London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% +2.70%
10th Percentile £316 £313 £300
90th Percentile £725 £688 £675
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 59 28 40
City of London median hourly rate £20.00 £18.85 £18.75
Median hourly rate % change year-on-year +6.10% +0.53% -8.29%
10th Percentile £13.08 £12.51 £11.25
90th Percentile £44.28 £31.31 £47.43
Central London median hourly rate £20.00 £17.00 £19.00
% change year-on-year +17.65% -10.53% -7.07%

Clustering
Job Vacancy Trend in the City of London

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

Job vacancy trend for Clustering in the City of London

Clustering
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Clustering in the City of London

Clustering
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Clustering in the City of London over the 6 months to 20 July 2018.

Contractor daily rate histogram for Clustering in the City of London

Clustering
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Clustering in the City of London

For the 6 months to 20 July 2018, 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 City of London region with a requirement for Clustering.

1 6 (60.00%) SQL
2 5 (50.00%) Windows
2 5 (50.00%) Finance
3 4 (40.00%) Microsoft
4 3 (30.00%) Active Directory
4 3 (30.00%) Cisco
4 3 (30.00%) SQL Server
4 3 (30.00%) Cisco Certification
4 3 (30.00%) VMware
4 3 (30.00%) Low Latency
4 3 (30.00%) VMware Infrastructure
4 3 (30.00%) Windows Server
5 2 (20.00%) Network Optimisation
5 2 (20.00%) Microsoft Clustering
5 2 (20.00%) High Availability
5 2 (20.00%) Data Centre
5 2 (20.00%) Vulnerability Scanning
5 2 (20.00%) Secure Coding
5 2 (20.00%) SIEM
5 2 (20.00%) Data Management
5 2 (20.00%) Information Management
5 2 (20.00%) Penetration Testing
5 2 (20.00%) Load Balancing
5 2 (20.00%) Enterprise Architecture
5 2 (20.00%) Windows Server 2008
5 2 (20.00%) NAS
5 2 (20.00%) Validation
5 2 (20.00%) Migration
5 2 (20.00%) Firewall
5 2 (20.00%) Identity Management

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 2 (20.00%) IIS
2 1 (10.00%) Apache Solr
2 1 (10.00%) Apache Spark
Cloud Services
1 1 (10.00%) Amazon AWS
1 1 (10.00%) Amazon EMR
1 1 (10.00%) Amazon S3
1 1 (10.00%) Azure Active Directory
1 1 (10.00%) Microsoft Azure
Communications & Networking
1 2 (20.00%) Firewall
1 2 (20.00%) LAN
1 2 (20.00%) NAS
1 2 (20.00%) SAN
1 2 (20.00%) WAN
2 1 (10.00%) Internet
2 1 (10.00%) Network Security
Database & Business Intelligence
1 3 (30.00%) SQL Server
2 1 (10.00%) Apache Hive
2 1 (10.00%) Big Data
2 1 (10.00%) Data Warehouse
2 1 (10.00%) Enterprise Data Warehouse
2 1 (10.00%) Hadoop
2 1 (10.00%) Impala
2 1 (10.00%) Oracle Database
2 1 (10.00%) Oracle Database 10g
2 1 (10.00%) Oracle Database 11g
2 1 (10.00%) Oracle Database 12c
2 1 (10.00%) Parquet
2 1 (10.00%) RDBMS
2 1 (10.00%) Relational Database
2 1 (10.00%) Spotfire
2 1 (10.00%) SQL Server 2005
2 1 (10.00%) SQL Server 2008
2 1 (10.00%) SQL Server 2012
2 1 (10.00%) SQL Server Integration Services
2 1 (10.00%) SQL Server Reporting Services
Development Applications
1 1 (10.00%) GitLab
General
1 5 (50.00%) Finance
2 1 (10.00%) Banking
2 1 (10.00%) French Language
2 1 (10.00%) Law
2 1 (10.00%) Legal
Job Titles
1 3 (30.00%) DBA
1 3 (30.00%) SQL DBA
2 2 (20.00%) Infrastructure Engineer
3 1 (10.00%) Administrator
3 1 (10.00%) Architect
3 1 (10.00%) Data Analytics Engineer
3 1 (10.00%) Data Engineer
3 1 (10.00%) Database Engineer
3 1 (10.00%) Infrastructure Manager
3 1 (10.00%) Integration Engineer
3 1 (10.00%) Linux Administrator
3 1 (10.00%) Linux Systems Administrator
3 1 (10.00%) Oracle Database Engineer
3 1 (10.00%) PowerShell Engineer
3 1 (10.00%) Project Manager
3 1 (10.00%) SQL Server DBA
3 1 (10.00%) Systems Administrator
3 1 (10.00%) Technical Architect
3 1 (10.00%) Windows Engineer
3 1 (10.00%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 2 (20.00%) Middleware
2 1 (10.00%) JSON
2 1 (10.00%) Lucene
2 1 (10.00%) XML
Miscellaneous
1 2 (20.00%) Data Centre
2 1 (10.00%) CESG
2 1 (10.00%) Fat Client
2 1 (10.00%) Replication
2 1 (10.00%) Thin Client
Operating Systems
1 5 (50.00%) Windows
2 3 (30.00%) Windows Server
3 2 (20.00%) Linux
3 2 (20.00%) Solaris
3 2 (20.00%) Unix
3 2 (20.00%) Windows Server 2008
4 1 (10.00%) Red Hat Enterprise Linux
4 1 (10.00%) Windows Server 2003
4 1 (10.00%) Windows Server 2012
Processes & Methodologies
1 3 (30.00%) Low Latency
2 2 (20.00%) Data Management
2 2 (20.00%) Enterprise Architecture
2 2 (20.00%) ETL
2 2 (20.00%) High Availability
2 2 (20.00%) Identity Management
2 2 (20.00%) Information Management
2 2 (20.00%) Load Balancing
2 2 (20.00%) Migration
2 2 (20.00%) Network Optimisation
2 2 (20.00%) Penetration Testing
2 2 (20.00%) Secure Coding
2 2 (20.00%) SIEM
2 2 (20.00%) Validation
2 2 (20.00%) Vulnerability Scanning
3 1 (10.00%) Agile Software Development
3 1 (10.00%) Asset Management
3 1 (10.00%) Business Intelligence
3 1 (10.00%) Scrum
3 1 (10.00%) Visualisation
Programming Languages
1 6 (60.00%) SQL
2 2 (20.00%) Perl
3 1 (10.00%) C#
3 1 (10.00%) Java
3 1 (10.00%) Korn
3 1 (10.00%) PL/SQL
3 1 (10.00%) PowerShell
3 1 (10.00%) Python
3 1 (10.00%) Scala
3 1 (10.00%) Shell Script
3 1 (10.00%) T-SQL
Qualifications
1 3 (30.00%) Cisco Certification
2 1 (10.00%) CCNA
2 1 (10.00%) DV Cleared
2 1 (10.00%) MCSE
2 1 (10.00%) Microsoft Certification
2 1 (10.00%) SC Cleared
2 1 (10.00%) Security Cleared
Quality Assurance & Compliance
1 1 (10.00%) Government Security Classifications
1 1 (10.00%) HMG Security Policy Framework
System Software
1 3 (30.00%) Active Directory
1 3 (30.00%) VMware Infrastructure
2 1 (10.00%) Apache ZooKeeper
2 1 (10.00%) HDFS
2 1 (10.00%) Hyper-V
2 1 (10.00%) Oracle RAC
Systems Management
1 2 (20.00%) Microsoft Clustering
2 1 (10.00%) Data Guard
2 1 (10.00%) Oozie
2 1 (10.00%) Oracle RMAN
Vendors
1 4 (40.00%) Microsoft
2 3 (30.00%) Cisco
2 3 (30.00%) VMware
3 2 (20.00%) Citrix
3 2 (20.00%) Veritas
4 1 (10.00%) Cloudera
4 1 (10.00%) Oracle
4 1 (10.00%) Red Hat
4 1 (10.00%) Salesforce.com
4 1 (10.00%) Splunk
4 1 (10.00%) Tableau
4 1 (10.00%) Talend