Period
to 21 October 2018

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 6 months to 21 October 2018 with a comparison to the same period over the previous 2 years.

Clustering
Central London > City of London
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 299 238 250
Rank change year-on-year -61 +12 +13
Permanent jobs citing Clustering 53 86 108
As % of all permanent IT jobs advertised in the City of London 0.48% 0.87% 0.90%
As % of the Miscellaneous category 0.98% 1.80% 1.91%
Number of salaries quoted 46 79 95
City of London median annual salary £53,750 £60,000 £55,000
Median salary % change year-on-year -10.42% +9.09% -4.35%
10th Percentile £41,250 £46,250 £36,900
90th Percentile £86,250 £89,500 £76,250
Central London median annual salary £57,500 £59,000 £55,000
% change year-on-year -2.54% +7.27% -4.35%

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

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 5,425 4,790 5,644
As % of all permanent IT jobs advertised in the City of London 49.09% 48.18% 47.27%
Number of salaries quoted 4,906 4,274 5,122
City of London median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £36,875 £33,750 £33,500
90th Percentile £95,000 £95,000 £88,750
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +4.35% +1.04%

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
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 6 months to 21 October 2018.

Salary histogram for Clustering in the City of London

Clustering
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the City of London region over the 6 months to 21 October 2018. 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 Bridge - 1 £57,500 -
Clustering
Central London

For the 6 months to 21 October 2018, IT 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 permanent job ads across the City of London region with a requirement for Clustering.

1 25 (47.17%) Windows
2 24 (45.28%) SQL
3 17 (32.08%) Linux
3 17 (32.08%) SQL Server
3 17 (32.08%) DevOps
4 16 (30.19%) Finance
5 15 (28.30%) Python
5 15 (28.30%) Amazon AWS
6 14 (26.42%) Java
7 13 (24.53%) Microsoft
7 13 (24.53%) Microsoft Azure
7 13 (24.53%) Docker
8 12 (22.64%) High Availability
8 12 (22.64%) ITIL
8 12 (22.64%) VMware
9 11 (20.75%) TCP/IP
9 11 (20.75%) SAN
9 11 (20.75%) VMware Infrastructure
10 10 (18.87%) Load Balancing
10 10 (18.87%) Amazon RDS
10 10 (18.87%) DNS
10 10 (18.87%) Active Directory
10 10 (18.87%) MySQL
11 9 (16.98%) Configuration Management
11 9 (16.98%) Replication
11 9 (16.98%) Ruby
11 9 (16.98%) VLAN
11 9 (16.98%) PowerShell
11 9 (16.98%) Hyper-V
11 9 (16.98%) Windows Server

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 6 (11.32%) Exchange Server 2013
2 5 (9.43%) Exchange Server 2010
2 5 (9.43%) MS Exchange
3 3 (5.66%) Apache Spark
4 2 (3.77%) Apache
4 2 (3.77%) IIS
5 1 (1.89%) Office Communications Server
5 1 (1.89%) SharePoint
5 1 (1.89%) Skype for Business
Cloud Services
1 15 (28.30%) Amazon AWS
2 13 (24.53%) Microsoft Azure
3 6 (11.32%) Office 365
4 5 (9.43%) Amazon EC2
4 5 (9.43%) Amazon ELB
4 5 (9.43%) Amazon EMR
4 5 (9.43%) Amazon S3
4 5 (9.43%) Mimecast
5 3 (5.66%) IaaS
6 1 (1.89%) Google Cloud Platform
6 1 (1.89%) PaaS
Communications & Networking
1 11 (20.75%) SAN
1 11 (20.75%) TCP/IP
2 10 (18.87%) DNS
3 9 (16.98%) VLAN
4 8 (15.09%) DHCP
4 8 (15.09%) Firewall
4 8 (15.09%) LAN
4 8 (15.09%) WAN
5 7 (13.21%) VPN
6 6 (11.32%) NetScaler
6 6 (11.32%) Remote Desktop
7 5 (9.43%) DKIM
7 5 (9.43%) Internet
7 5 (9.43%) IPsec
8 4 (7.55%) iSCSI
8 4 (7.55%) MPLS
9 3 (5.66%) Wireless
10 2 (3.77%) Fibre Channel
11 1 (1.89%) Cisco ASA
11 1 (1.89%) NAS
Database & Business Intelligence
1 17 (32.08%) SQL Server
2 10 (18.87%) Amazon RDS
2 10 (18.87%) MySQL
3 7 (13.21%) MongoDB
4 6 (11.32%) MariaDB
4 6 (11.32%) NoSQL
4 6 (11.32%) Relational Database
4 6 (11.32%) SQL Server Analysis Services
4 6 (11.32%) SQL Server Reporting Services
5 5 (9.43%) SQL Server 2012
6 4 (7.55%) Oracle BI EE
6 4 (7.55%) SQL Server 2016
6 4 (7.55%) SQL Server Integration Services
6 4 (7.55%) Text Mining
7 3 (5.66%) Big Data
7 3 (5.66%) SQL Server 2014
8 2 (3.77%) InfluxDB
8 2 (3.77%) OpenTSDB
8 2 (3.77%) PostgreSQL
8 2 (3.77%) RDBMS
Development Applications
1 5 (9.43%) Git (software)
1 5 (9.43%) Jenkins
1 5 (9.43%) Subversion
2 2 (3.77%) Octopus Deploy
2 2 (3.77%) Team Foundation Server
2 2 (3.77%) TeamCity
General
1 16 (30.19%) Finance
2 3 (5.66%) Banking
2 3 (5.66%) Law
3 2 (3.77%) Advertising
4 1 (1.89%) German Language
4 1 (1.89%) Marketing
4 1 (1.89%) Spanish Language
Job Titles
1 9 (16.98%) DBA
1 9 (16.98%) DevOps Engineer
2 8 (15.09%) SQL DBA
2 8 (15.09%) SQL Server DBA
3 6 (11.32%) Support Engineer
4 5 (9.43%) 3rd Line Engineer
4 5 (9.43%) 3rd Line Support
4 5 (9.43%) 3rd Line Support Engineer
4 5 (9.43%) Administrator
4 5 (9.43%) Lead DevOps
4 5 (9.43%) Lead DevOps Engineer
4 5 (9.43%) Security Engineer
5 4 (7.55%) Field Engineer
5 4 (7.55%) Field Support Engineer
5 4 (7.55%) IT Engineer
5 4 (7.55%) IT Security Engineer
5 4 (7.55%) Linux Engineer
5 4 (7.55%) Linux Scripter
5 4 (7.55%) Siebel Specialist
5 4 (7.55%) Support Specialist
Libraries, Frameworks & Software Standards
1 6 (11.32%) Kafka
1 6 (11.32%) RabbitMQ
2 5 (9.43%) ActiveMQ
2 5 (9.43%) TensorFlow
3 4 (7.55%) Natural Language Processing
4 3 (5.66%) Akka
4 3 (5.66%) RxJava
5 2 (3.77%) .NET
5 2 (3.77%) ASP.NET
5 2 (3.77%) CoreNLP
5 2 (3.77%) XGBoost
6 1 (1.89%) Ajax
6 1 (1.89%) GWT
6 1 (1.89%) Hibernate
6 1 (1.89%) JSF
6 1 (1.89%) LDAP
6 1 (1.89%) Middleware
6 1 (1.89%) Spring
6 1 (1.89%) Velocity
6 1 (1.89%) Web Services
Miscellaneous
1 9 (16.98%) Replication
2 8 (15.09%) Data Centre
3 5 (9.43%) Linux Command Line
4 4 (7.55%) Algorithms
4 4 (7.55%) Computer Science
5 3 (5.66%) Hedge funds
6 2 (3.77%) HP StoreVirtual
7 1 (1.89%) Analytical Skills
7 1 (1.89%) Enterprise Software
7 1 (1.89%) Hybrid Cloud
7 1 (1.89%) Private Cloud
7 1 (1.89%) Public Cloud
Operating Systems
1 25 (47.17%) Windows
2 17 (32.08%) Linux
3 9 (16.98%) Windows Server
4 6 (11.32%) Windows 10
4 6 (11.32%) Windows Server 2008
4 6 (11.32%) Windows Server 2012
5 5 (9.43%) Windows 7
5 5 (9.43%) Windows 8
6 2 (3.77%) CentOS
7 1 (1.89%) Red Hat Enterprise Linux
Processes & Methodologies
1 17 (32.08%) DevOps
2 12 (22.64%) High Availability
2 12 (22.64%) ITIL
3 10 (18.87%) Load Balancing
4 9 (16.98%) Configuration Management
4 9 (16.98%) Infrastructure Engineering
5 8 (15.09%) Performance Tuning
6 7 (13.21%) Agile Software Development
6 7 (13.21%) Performance Monitoring
6 7 (13.21%) Scrum
6 7 (13.21%) SQL Optimisation
7 6 (11.32%) Capacity Planning
7 6 (11.32%) Deep Learning
7 6 (11.32%) Service Management
7 6 (11.32%) Time Management
8 5 (9.43%) Data Science
8 5 (9.43%) Database Security
8 5 (9.43%) ETL
8 5 (9.43%) Kalman Filter
8 5 (9.43%) Machine Learning
Programming Languages
1 24 (45.28%) SQL
2 15 (28.30%) Python
3 14 (26.42%) Java
4 9 (16.98%) PowerShell
4 9 (16.98%) Ruby
5 6 (11.32%) Bash Shell
5 6 (11.32%) T-SQL
6 5 (9.43%) Go
6 5 (9.43%) JavaScript
6 5 (9.43%) Scala
7 4 (7.55%) VBScript
8 2 (3.77%) C#
8 2 (3.77%) Haskell
8 2 (3.77%) VB
9 1 (1.89%) Perl
Qualifications
1 3 (5.66%) Computer Science Degree
1 3 (5.66%) Degree
2 2 (3.77%) CCNA
2 2 (3.77%) Cisco Certification
2 2 (3.77%) Linux+ Certification
2 2 (3.77%) MCP
2 2 (3.77%) Microsoft Certification
2 2 (3.77%) PhD
2 2 (3.77%) RHCSA
3 1 (1.89%) AWS Certification
3 1 (1.89%) Citrix Certification
3 1 (1.89%) ITIL Foundation Certificate
3 1 (1.89%) MCSE
Quality Assurance & Compliance
1 1 (1.89%) ISO/IEC 27001
1 1 (1.89%) QA
System Software
1 13 (24.53%) Docker
2 11 (20.75%) VMware Infrastructure
3 10 (18.87%) Active Directory
4 9 (16.98%) Hyper-V
5 3 (5.66%) XenApp
6 2 (3.77%) Virtual Machines
6 2 (3.77%) VMware ESXi
7 1 (1.89%) XenDesktop
7 1 (1.89%) XenServer
Systems Management
1 7 (13.21%) Backup Exec
1 7 (13.21%) Kubernetes
1 7 (13.21%) Nagios
1 7 (13.21%) Opscode Chef
1 7 (13.21%) Prometheus
1 7 (13.21%) Puppet
1 7 (13.21%) SCOM
2 5 (9.43%) Docker Swarm
2 5 (9.43%) Microsoft Clustering
2 5 (9.43%) SCCM
2 5 (9.43%) Single Sign-On
2 5 (9.43%) Terraform
2 5 (9.43%) ZABBIX
3 4 (7.55%) Ansible
4 2 (3.77%) Failover Clustering
4 2 (3.77%) Grafana
4 2 (3.77%) SCOrch
4 2 (3.77%) Symantec Enterprise Vault
4 2 (3.77%) vCenter Server
Vendors
1 13 (24.53%) Microsoft
2 12 (22.64%) VMware
3 8 (15.09%) Citrix
3 8 (15.09%) HP
4 5 (9.43%) Nimble Storage
5 4 (7.55%) Siebel
5 4 (7.55%) Symantec
6 3 (5.66%) Cisco
6 3 (5.66%) Oracle
6 3 (5.66%) Red Hat
6 3 (5.66%) SolarWinds
7 1 (1.89%) Google