Period
to 25 April 2019

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 25 April 2019 with a comparison to the same period over the previous 2 years.

Clustering
Central London > City of London
6 months to
25 Apr 2019
Same period 2018 Same period 2017
Rank 266 277 229
Rank change year-on-year +11 -48 -17
Permanent jobs citing Clustering 65 58 115
As % of all permanent IT jobs advertised in the City of London 0.63% 0.54% 1.12%
As % of the Miscellaneous category 1.37% 1.14% 2.37%
Number of salaries quoted 59 53 113
City of London median annual salary £60,000 £52,500 £60,000
Median salary % change year-on-year +14.29% -12.50% +9.09%
10th Percentile £43,500 £41,250 £42,700
90th Percentile £86,000 £95,000 £81,800
Central London median annual salary £60,000 £53,730 £57,500
% change year-on-year +11.67% -6.56% +4.55%

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 4,739 5,066 4,847
As % of all permanent IT jobs advertised in the City of London 46.18% 46.87% 47.08%
Number of salaries quoted 4,205 4,475 4,419
City of London median annual salary £67,500 £62,500 £60,000
Median salary % change year-on-year +8.00% +4.17% +4.35%
10th Percentile £40,000 £37,000 £33,750
90th Percentile £97,500 £97,500 £95,000
Central London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +4.35%

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 25 April 2019.

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 25 April 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge - 1 £70,000 -
Clustering
Central London

For the 6 months to 25 April 2019, 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 39 (60.00%) Windows
2 35 (53.85%) PowerShell
3 30 (46.15%) Finance
4 29 (44.62%) SQL
4 29 (44.62%) SQL Server
5 28 (43.08%) VMware
6 26 (40.00%) Windows Server
7 24 (36.92%) Microsoft
8 20 (30.77%) Active Directory
8 20 (30.77%) Linux
9 17 (26.15%) Task Automation
10 16 (24.62%) Replication
11 15 (23.08%) Disaster Recovery
11 15 (23.08%) Red Hat Enterprise Linux
11 15 (23.08%) VMware Infrastructure
12 14 (21.54%) Degree
12 14 (21.54%) IIS
12 14 (21.54%) HP
12 14 (21.54%) Microsoft Clustering
13 13 (20.00%) Problem-Solving
14 12 (18.46%) Microsoft Certification
14 12 (18.46%) Oracle
14 12 (18.46%) SharePoint
14 12 (18.46%) HND
14 12 (18.46%) Unix
14 12 (18.46%) Windows Server 2008
14 12 (18.46%) Microsoft Azure
15 11 (16.92%) MongoDB
15 11 (16.92%) High Availability
15 11 (16.92%) Ansible

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 14 (21.54%) IIS
2 12 (18.46%) SharePoint
3 7 (10.77%) SharePoint 2013
4 5 (7.69%) Tomcat
5 4 (6.15%) BizTalk Server
5 4 (6.15%) MS Exchange
6 3 (4.62%) Apache
6 3 (4.62%) Apache Spark
6 3 (4.62%) Office Communications Server
6 3 (4.62%) Skype for Business
7 2 (3.08%) Exchange Server 2013
Cloud Services
1 12 (18.46%) Microsoft Azure
2 7 (10.77%) Amazon AWS
3 5 (7.69%) IaaS
3 5 (7.69%) PaaS
4 4 (6.15%) Office 365
5 3 (4.62%) SaaS
Communications & Networking
1 10 (15.38%) DNS
2 8 (12.31%) SAN
3 7 (10.77%) Intranet
4 5 (7.69%) Firewall
5 4 (6.15%) DHCP
5 4 (6.15%) InfiniBand
5 4 (6.15%) MPLS
5 4 (6.15%) SSL
5 4 (6.15%) TCP/IP
5 4 (6.15%) VPN
6 3 (4.62%) PBX
6 3 (4.62%) Reverse Proxy
6 3 (4.62%) VLAN
6 3 (4.62%) VPLS
7 2 (3.08%) Internet
7 2 (3.08%) IPv4
7 2 (3.08%) IPv6
8 1 (1.54%) Ethernet
8 1 (1.54%) VoIP
8 1 (1.54%) WAN
Database & Business Intelligence
1 29 (44.62%) SQL Server
2 11 (16.92%) MongoDB
2 11 (16.92%) MySQL
2 11 (16.92%) PostgreSQL
3 10 (15.38%) Big Data
3 10 (15.38%) SQL Server Analysis Services
3 10 (15.38%) SQL Server Integration Services
3 10 (15.38%) SQL Server Reporting Services
4 9 (13.85%) SQL Server 2012
5 8 (12.31%) SQL Server 2008
6 7 (10.77%) Oracle Database
7 6 (9.23%) SQL Server 2000
8 4 (6.15%) Hadoop
8 4 (6.15%) InfluxDB
8 4 (6.15%) OpenTSDB
9 3 (4.62%) Microsoft Analysis Services
9 3 (4.62%) SQL Server 2005
10 2 (3.08%) Business Intelligence Development Studio
10 2 (3.08%) Data Warehouse
10 2 (3.08%) SQL Server 2014
Development Applications
1 7 (10.77%) Jenkins
2 5 (7.69%) Octopus Deploy
2 5 (7.69%) TeamCity
3 4 (6.15%) Eclipse
3 4 (6.15%) JIRA
4 2 (3.08%) MSI
4 2 (3.08%) SQL Server Management Studio (SSMS)
5 1 (1.54%) Git (software)
General
1 30 (46.15%) Finance
2 6 (9.23%) Banking
3 4 (6.15%) Financial Institution
4 2 (3.08%) Advertising
5 1 (1.54%) Retail
Job Titles
1 21 (32.31%) DBA
2 19 (29.23%) Administrator
3 10 (15.38%) SQL DBA
4 9 (13.85%) Developer
5 7 (10.77%) DV Cleared DBA
5 7 (10.77%) Infrastructure Engineer
5 7 (10.77%) Senior DBA
5 7 (10.77%) SharePoint Developer
6 5 (7.69%) PowerShell Engineer
6 5 (7.69%) Systems Administrator
7 4 (6.15%) Senior SQL DBA
7 4 (6.15%) Senior SQL Server DBA
7 4 (6.15%) SQL Server DBA
7 4 (6.15%) Support Engineer
8 3 (4.62%) 3rd Line Support
8 3 (4.62%) Architect
8 3 (4.62%) Azure Architect
8 3 (4.62%) Linux Engineer
8 3 (4.62%) Senior Infrastructure Engineer
8 3 (4.62%) Solutions Architect
Libraries, Frameworks & Software Standards
1 8 (12.31%) .NET
2 7 (10.77%) LDAP
3 5 (7.69%) Web Services
4 3 (4.62%) TensorFlow
4 3 (4.62%) XGBoost
5 2 (3.08%) Apache Camel
5 2 (3.08%) Hibernate
5 2 (3.08%) Middleware
5 2 (3.08%) OSGi
5 2 (3.08%) Spring
6 1 (1.54%) XML
Miscellaneous
1 16 (24.62%) Replication
2 11 (16.92%) Analytical Skills
3 7 (10.77%) EMC VNX
4 5 (7.69%) Public Cloud
5 4 (6.15%) Management Information System
6 3 (4.62%) Data Centre
6 3 (4.62%) Fintech
7 2 (3.08%) Enterprise Software
7 2 (3.08%) Self-Motivation
8 1 (1.54%) Distributed Denial-of-Service
8 1 (1.54%) Reinsurance
8 1 (1.54%) Video Conferencing
Operating Systems
1 39 (60.00%) Windows
2 26 (40.00%) Windows Server
3 20 (30.77%) Linux
4 15 (23.08%) Red Hat Enterprise Linux
5 12 (18.46%) Unix
5 12 (18.46%) Windows Server 2008
6 3 (4.62%) Windows Server 2003
6 3 (4.62%) Windows Server 2012
7 2 (3.08%) Windows 10
8 1 (1.54%) Solaris
Processes & Methodologies
1 17 (26.15%) Task Automation
2 15 (23.08%) Disaster Recovery
3 13 (20.00%) Problem-Solving
4 11 (16.92%) DevOps
4 11 (16.92%) High Availability
5 9 (13.85%) Infrastructure Engineering
6 8 (12.31%) Configuration Management
7 7 (10.77%) Data Security
7 7 (10.77%) Workflow
7 7 (10.77%) Workflow Development
8 6 (9.23%) Agile Software Development
8 6 (9.23%) Business Continuity
8 6 (9.23%) Continuous Improvement
8 6 (9.23%) Continuous Integration
8 6 (9.23%) Data Management
8 6 (9.23%) Database Mirroring
8 6 (9.23%) Open Source
8 6 (9.23%) Project Management
8 6 (9.23%) Scrum
9 5 (7.69%) Service Management
Programming Languages
1 35 (53.85%) PowerShell
2 29 (44.62%) SQL
3 9 (13.85%) Python
4 8 (12.31%) Shell Script
5 6 (9.23%) Bash Shell
6 5 (7.69%) Java
6 5 (7.69%) T-SQL
7 4 (6.15%) Perl
8 3 (4.62%) Scala
8 3 (4.62%) VBScript
9 1 (1.54%) C#
9 1 (1.54%) JavaScript
9 1 (1.54%) Ruby
Qualifications
1 14 (21.54%) Degree
2 12 (18.46%) HND
2 12 (18.46%) Microsoft Certification
3 7 (10.77%) DV Cleared
3 7 (10.77%) MCSA
3 7 (10.77%) MCSE
3 7 (10.77%) Security Cleared
4 5 (7.69%) VMware Certified Professional (VCP)
5 4 (6.15%) RHCSA
6 2 (3.08%) MCTS
6 2 (3.08%) VCP5
7 1 (1.54%) CCNA
7 1 (1.54%) Cisco Certification
7 1 (1.54%) RHCE
System Software
1 20 (30.77%) Active Directory
2 15 (23.08%) VMware Infrastructure
3 7 (10.77%) Oracle RAC
4 5 (7.69%) VMware ESXi
5 4 (6.15%) Veritas Cluster Server
6 3 (4.62%) Hyper-V
7 2 (3.08%) Active Directory Lightweight Directory Services
7 2 (3.08%) BitLocker
7 2 (3.08%) Microsoft App-V
7 2 (3.08%) vSphere
7 2 (3.08%) XenDesktop
8 1 (1.54%) Docker
8 1 (1.54%) LXC
8 1 (1.54%) NFS
8 1 (1.54%) Virtual Machines
Systems Management
1 14 (21.54%) Microsoft Clustering
2 11 (16.92%) Ansible
3 8 (12.31%) Backup Exec
4 7 (10.77%) Enterprise Manager Cloud Control
5 6 (9.23%) Failover Clustering
6 5 (7.69%) Puppet
7 4 (6.15%) Control-M
7 4 (6.15%) Grafana
7 4 (6.15%) Nagios
7 4 (6.15%) NetBackup
7 4 (6.15%) Red Hat Satellite
7 4 (6.15%) SCCM
8 3 (4.62%) WMI
9 2 (3.08%) SCOM
9 2 (3.08%) WSUS
10 1 (1.54%) Red Hat Spacewalk
Vendors
1 28 (43.08%) VMware
2 24 (36.92%) Microsoft
3 14 (21.54%) HP
4 12 (18.46%) Oracle
5 9 (13.85%) Cisco
5 9 (13.85%) EMC
5 9 (13.85%) Red Hat
6 8 (12.31%) Veeam
7 7 (10.77%) Sybase
8 4 (6.15%) Pega
8 4 (6.15%) Remedy
8 4 (6.15%) Veritas
9 2 (3.08%) Citrix
9 2 (3.08%) Ivanti
9 2 (3.08%) PeopleSoft
9 2 (3.08%) WatchGuard
10 1 (1.54%) 3PAR
10 1 (1.54%) AppDynamics
10 1 (1.54%) RedGate
10 1 (1.54%) SolarWinds