Period
to 21 November 2017

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in the South East. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 21 November 2017 with a comparison to the same period over the previous 2 years.

Clustering
England > South East
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 273 278 243
Rank change year-on-year +5 -35 -6
Permanent jobs citing Clustering 322 367 571
As % of all permanent IT jobs advertised in the South East 1.05% 1.05% 1.34%
As % of the Miscellaneous category 2.72% 2.72% 3.38%
Number of salaries quoted 298 293 455
South East median annual salary £47,500 £49,500 £45,000
Median salary % change year-on-year -4.04% +10.00% +4.65%
10th Percentile £32,125 £34,250 £32,750
90th Percentile £70,000 £70,000 £63,750
England median annual salary £50,000 £50,000 £50,000

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 South East with a requirement for generic IT skills.

All Generic IT Skills
South East
Permanent vacancies with a requirement for generic IT skills 11843 13505 16873
As % of all permanent IT jobs advertised in the South East 38.44% 38.62% 39.62%
Number of salaries quoted 9717 11131 13703
South East median annual salary £45,000 £45,000 £44,000
Median salary % change year-on-year - +2.27% +3.53%
10th Percentile £26,000 £26,250 £25,500
90th Percentile £68,750 £68,750 £67,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +3.26%

Clustering
Job Vacancy Trend in the South East

Job postings citing Clustering as a percentage of all IT jobs advertised in the South East.

Job vacancy trend for Clustering in the South East

Clustering
Salary Trend in the South East

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Clustering in the South East.

Salary trend for Clustering in the South East

Clustering
Salary Histogram in the South East

The salary distribution of IT jobs citing Clustering in the South East over the 6 months to 21 November 2017.

Salary histogram for Clustering in the South East

Clustering
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the South East region over the 6 months to 21 November 2017. 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
Surrey +55 113 £60,000 +20.00%
Thames Valley -28 96 £43,500 -19.07% 6
Hampshire +1 80 £40,000 -2.44% 1
Berkshire -5 63 £47,500 -13.64% 1
Oxfordshire +5 27 £45,000 -5.26% 1
West Sussex -6 19 £50,000 -4.76% 2
East Sussex +3 11 £47,500 +21.64% 1
Buckinghamshire -25 7 £42,500 -14.57% 4
Kent +22 5 £32,500 -38.10% 1
Clustering
England

For the 6 months to 21 November 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 South East region with a requirement for Clustering.

1 195 (60.56%) SQL
2 194 (60.25%) SQL Server
3 183 (56.83%) Microsoft
4 178 (55.28%) Windows
5 131 (40.68%) Windows Server
6 96 (29.81%) VMware
7 89 (27.64%) Active Directory
8 84 (26.09%) Cisco
9 83 (25.78%) SQL Server 2008
10 82 (25.47%) MS Exchange
11 81 (25.16%) T-SQL
12 80 (24.84%) Performance Tuning
13 76 (23.60%) Windows Server 2012
14 71 (22.05%) SQL Server Integration Services
15 66 (20.50%) Exchange Server 2010
16 63 (19.57%) High Availability
17 61 (18.94%) PowerShell
18 60 (18.63%) Firewall
19 59 (18.32%) Continuous Integration
20 58 (18.01%) VMware Infrastructure
21 57 (17.70%) Load Balancing
21 57 (17.70%) Linux
22 56 (17.39%) Replication
22 56 (17.39%) Exchange Server 2013
23 55 (17.08%) Juniper
24 54 (16.77%) WAN
25 53 (16.46%) Microsoft Certification
26 52 (16.15%) Symantec
26 52 (16.15%) SDLC
27 51 (15.84%) F5

Clustering
Co-occurring IT Skills in the South East 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 82 (25.47%) MS Exchange
2 66 (20.50%) Exchange Server 2010
3 56 (17.39%) Exchange Server 2013
4 39 (12.11%) BizTalk Server
5 29 (9.01%) IIS
6 22 (6.83%) Exchange Server 2007
7 20 (6.21%) SharePoint
8 11 (3.42%) Skype for Business
9 10 (3.11%) SharePoint 2013
10 8 (2.48%) SharePoint 2010
11 7 (2.17%) Exchange Server 2003
12 5 (1.55%) Apache
13 4 (1.24%) Blackberry Enterprise Server
13 4 (1.24%) Tomcat
14 3 (0.93%) Cloud Foundry
15 2 (0.62%) Elasticsearch
15 2 (0.62%) nginx
Applications
1 4 (1.24%) Microsoft Excel
1 4 (1.24%) Microsoft PowerPoint
1 4 (1.24%) MS Visio
2 1 (0.31%) S-PLUS
Business Applications
1 3 (0.93%) Dynamics AX
2 1 (0.31%) BusinessWorks
Cloud Services
1 45 (13.98%) Amazon AWS
2 42 (13.04%) Microsoft Azure
3 25 (7.76%) Office 365
4 14 (4.35%) IaaS
5 9 (2.80%) SaaS
6 5 (1.55%) PaaS
7 2 (0.62%) Cloud Computing
Communications & Networking
1 60 (18.63%) Firewall
2 54 (16.77%) WAN
3 46 (14.29%) SAN
4 35 (10.87%) SSL
5 33 (10.25%) DNS
6 29 (9.01%) DHCP
6 29 (9.01%) VPN
7 28 (8.70%) Cisco ASA
7 28 (8.70%) Ethernet
8 27 (8.39%) MPLS
9 26 (8.07%) TCP/IP
10 25 (7.76%) LAN
10 25 (7.76%) VoIP
11 21 (6.52%) HTTP
11 21 (6.52%) Internet
11 21 (6.52%) IPsec
12 19 (5.90%) Remote Desktop
13 17 (5.28%) VLAN
14 15 (4.66%) BGP
14 15 (4.66%) Network Security
Database & Business Intelligence
1 194 (60.25%) SQL Server
2 83 (25.78%) SQL Server 2008
3 71 (22.05%) SQL Server Integration Services
4 35 (10.87%) SQL Server Analysis Services
4 35 (10.87%) SQL Server Reporting Services
5 33 (10.25%) Data Warehouse
6 31 (9.63%) Oracle Database
7 30 (9.32%) MySQL
8 18 (5.59%) SQL Server 2014
8 18 (5.59%) SQL Server 2016
9 14 (4.35%) Amazon RDS
10 13 (4.04%) PostgreSQL
11 10 (3.11%) Oracle Database 10g
11 10 (3.11%) Oracle Database 11g
12 9 (2.80%) Relational Database
13 8 (2.48%) InfluxDB
13 8 (2.48%) Microsoft Analysis Services
13 8 (2.48%) Neo4j
13 8 (2.48%) OLAP
13 8 (2.48%) Redis
Development Applications
1 36 (11.18%) Git (software)
2 31 (9.63%) Visual Studio
3 26 (8.07%) Maven
4 23 (7.14%) Subversion
5 17 (5.28%) JIRA
6 8 (2.48%) GitLab
7 3 (0.93%) Gradle
7 3 (0.93%) PhpStorm
7 3 (0.93%) webpack
8 2 (0.62%) Octopus Deploy
8 2 (0.62%) TeamCity
9 1 (0.31%) MSBuild
9 1 (0.31%) Team Foundation Server
General
1 32 (9.94%) Finance
2 8 (2.48%) Retail
3 7 (2.17%) Advertising
3 7 (2.17%) Marketing
4 5 (1.55%) Financial Institution
5 3 (0.93%) Games
5 3 (0.93%) Telecoms
6 2 (0.62%) Banking
7 1 (0.31%) Manufacturing
Job Titles
1 71 (22.05%) DBA
2 65 (20.19%) Developer
3 50 (15.53%) SQL DBA
4 44 (13.66%) Infrastructure Engineer
5 41 (12.73%) Administrator
6 36 (11.18%) BizTalk Developer
6 36 (11.18%) Support Engineer
7 29 (9.01%) Network Engineer
8 25 (7.76%) Java Developer
9 24 (7.45%) .NET Developer
9 24 (7.45%) C# .NET Developer
9 24 (7.45%) C# Developer
9 24 (7.45%) SSIS Developer
10 21 (6.52%) Architect
10 21 (6.52%) VMware Engineer
11 20 (6.21%) Consultant
12 18 (5.59%) Senior Developer
13 17 (5.28%) Server Engineer
13 17 (5.28%) SQL Server DBA
13 17 (5.28%) Technical Consultant
Libraries, Frameworks & Software Standards
1 40 (12.42%) .NET
2 32 (9.94%) HTML
3 31 (9.63%) ASP.NET
3 31 (9.63%) HTML5
4 17 (5.28%) Middleware
5 11 (3.42%) Node.js
5 11 (3.42%) React
6 8 (2.48%) Elastic Stack
7 6 (1.86%) Web Services
7 6 (1.86%) WSH
8 5 (1.55%) EDI
8 5 (1.55%) EDIFACT
8 5 (1.55%) JMS
8 5 (1.55%) WCF
9 3 (0.93%) AngularJS
9 3 (0.93%) Java SE
9 3 (0.93%) Kafka
9 3 (0.93%) Sass
9 3 (0.93%) XML
10 2 (0.62%) JDBC
Miscellaneous
1 56 (17.39%) Replication
2 32 (9.94%) Data Centre
3 30 (9.32%) Analytical Skills
4 10 (3.11%) Hybrid Cloud
5 6 (1.86%) Enterprise Software
6 5 (1.55%) Management Information System
6 5 (1.55%) PKI
6 5 (1.55%) Public Cloud
7 4 (1.24%) Blackberry
7 4 (1.24%) Fintech
7 4 (1.24%) HACMP
7 4 (1.24%) N-Tier
7 4 (1.24%) Security Operations Centre
8 3 (0.93%) Greenfield Project
8 3 (0.93%) Internet of Things
8 3 (0.93%) Linux Command Line
8 3 (0.93%) Mainframe
9 2 (0.62%) Animation
9 2 (0.62%) Data Structures
9 2 (0.62%) Mobile App
Operating Systems
1 178 (55.28%) Windows
2 131 (40.68%) Windows Server
3 76 (23.60%) Windows Server 2012
4 57 (17.70%) Linux
5 44 (13.66%) Windows Server 2008
6 27 (8.39%) Windows Server 2003
7 16 (4.97%) Unix
8 14 (4.35%) Windows 7
9 13 (4.04%) Windows 10
10 10 (3.11%) Solaris
11 8 (2.48%) Windows 8
12 7 (2.17%) Red Hat Enterprise Linux
13 5 (1.55%) AIX
14 3 (0.93%) Ubuntu
15 1 (0.31%) HPUX
15 1 (0.31%) Mac OS X
15 1 (0.31%) SUSE
Processes & Methodologies
1 80 (24.84%) Performance Tuning
2 63 (19.57%) High Availability
3 59 (18.32%) Continuous Integration
4 57 (17.70%) Load Balancing
5 52 (16.15%) SDLC
6 50 (15.53%) TDD
7 46 (14.29%) Agile Software Development
8 39 (12.11%) ETL
8 39 (12.11%) ITIL
9 37 (11.49%) Disaster Recovery
10 35 (10.87%) Network Load Balancing
11 33 (10.25%) Service Delivery
12 32 (9.94%) Scrum
13 31 (9.63%) Mobile Development
13 31 (9.63%) Requirements Analysis
14 30 (9.32%) Capacity Planning
15 25 (7.76%) Performance Management
16 23 (7.14%) Domain Models
17 22 (6.83%) Data Protection
18 21 (6.52%) Presales
Programming Languages
1 195 (60.56%) SQL
2 81 (25.16%) T-SQL
3 61 (18.94%) PowerShell
4 44 (13.66%) JavaScript
5 36 (11.18%) C#
6 31 (9.63%) Java
7 19 (5.90%) Bash Shell
8 17 (5.28%) Python
9 14 (4.35%) Perl
10 9 (2.80%) Shell Script
11 8 (2.48%) Go
11 8 (2.48%) VBScript
12 5 (1.55%) ActionScript
12 5 (1.55%) ActionScript 2.0
13 3 (0.93%) C
13 3 (0.93%) PHP
14 2 (0.62%) ES6
14 2 (0.62%) PL/SQL
15 1 (0.31%) Data Analysis Expressions (DAX)
15 1 (0.31%) Korn
Qualifications
1 53 (16.46%) Microsoft Certification
2 46 (14.29%) VMware Certified Professional (VCP)
3 45 (13.98%) Cisco Certification
4 44 (13.66%) VERITAS Certified Professional (VCP)
5 36 (11.18%) CCNA
5 36 (11.18%) MCSE
6 18 (5.59%) MCSA
7 17 (5.28%) MCITP
8 16 (4.97%) CCNP
8 16 (4.97%) MCP
9 15 (4.66%) CCIE
10 10 (3.11%) OCP
10 10 (3.11%) Oracle Certification
10 10 (3.11%) SC Cleared
10 10 (3.11%) Security Cleared
11 9 (2.80%) MCDBA
12 7 (2.17%) Degree
13 5 (1.55%) ITIL Certification
14 2 (0.62%) Computer Science Degree
15 1 (0.31%) PRINCE2 Certification
Quality Assurance & Compliance
1 29 (9.01%) PCI DSS
2 17 (5.28%) ISO/IEC 27001
2 17 (5.28%) SLA
3 12 (3.73%) HIPAA
4 8 (2.48%) Data Quality
5 5 (1.55%) PMO
6 4 (1.24%) ISO/IEC 20000
7 3 (0.93%) ISO 22301
7 3 (0.93%) ISO 9001
8 1 (0.31%) GDPR
System Software
1 89 (27.64%) Active Directory
2 58 (18.01%) VMware Infrastructure
3 51 (15.84%) Hyper-V
4 41 (12.73%) VMware ESXi
5 15 (4.66%) Docker
6 14 (4.35%) Terminal Services
7 13 (4.04%) vSphere
8 10 (3.11%) Virtual Machines
9 8 (2.48%) Veritas Cluster Server
10 6 (1.86%) Firmware
10 6 (1.86%) Microsoft App-V
11 5 (1.55%) Samba
11 5 (1.55%) XenDesktop
12 4 (1.24%) GPFS
12 4 (1.24%) iptables
12 4 (1.24%) Job Entry Subsystem
13 3 (0.93%) Microsoft Virtual Server
13 3 (0.93%) Virtual Servers
14 2 (0.62%) ISA Server
14 2 (0.62%) UAG
Systems Management
1 51 (15.84%) Backup Exec
2 45 (13.98%) vCenter Server
3 41 (12.73%) Microsoft Clustering
4 37 (11.49%) SCCM
5 33 (10.25%) Symantec Enterprise Vault
6 30 (9.32%) Symantec Endpoint Protection
6 30 (9.32%) Tivoli Storage Manager
7 20 (6.21%) SCOM
7 20 (6.21%) Terraform
8 18 (5.59%) Failover Clustering
9 13 (4.04%) Opscode Chef
10 12 (3.73%) Kubernetes
11 10 (3.11%) Ansible
11 10 (3.11%) SCVMM
11 10 (3.11%) WSUS
12 8 (2.48%) Grafana
13 6 (1.86%) Puppet
13 6 (1.86%) SCDPM
14 5 (1.55%) Cacti
14 5 (1.55%) Red Hat Satellite
Vendors
1 183 (56.83%) Microsoft
2 96 (29.81%) VMware
3 84 (26.09%) Cisco
4 55 (17.08%) Juniper
5 52 (16.15%) Symantec
6 51 (15.84%) F5
7 47 (14.60%) HP
7 47 (14.60%) Oracle
8 45 (13.98%) Veritas
9 32 (9.94%) Forcepoint
10 30 (9.32%) Altiris
11 23 (7.14%) Veeam
12 22 (6.83%) SolarWinds
13 18 (5.59%) Dell
14 17 (5.28%) MuleSoft
15 16 (4.97%) 3PAR
16 15 (4.66%) Citrix
17 14 (4.35%) SonicWALL
17 14 (4.35%) WatchGuard
17 14 (4.35%) ZyXEL