The table below looks at the prevalence of the term Clustering in IT jobs advertised for the Hertfordshire region. Included is a guide to the salaries offered in IT jobs that have cited Clustering over the 3 months to 27 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
27 Jul 2016
Same period 2015 Same period 2014
Clustering
Rank 124 122 123
Rank change year-on-year
-2 +1
Permanent jobs citing Clustering 13 37 28
As % of all permanent IT jobs located in Hertfordshire 0.65% 1.51% 1.12%
As % of the Miscellaneous category 1.50% 3.57% 2.78%
Number of salaries quoted 12 21 26
Median salary £46,500 £50,000 £42,500
Median salary % change year-on-year
-7.00% +17.64%
90% offered a salary of more than £40,000 £40,000 £32,500
10% offered a salary of more than £60,000 £72,500 £57,500
UK excluding London median salary £45,000 £42,500 £43,000
% change year-on-year
+5.88% -1.16%
Clustering
East of England

The following table is for comparison with the above and provides statistics for the entire Miscellaneous category in permanent jobs advertised in the Hertfordshire region.

Miscellaneous Category
Hertfordshire
Permanent IT job ads with a match in the
Miscellaneous category
867 1036 1007
As % of all permanent IT jobs located in Hertfordshire 43.05% 42.25% 40.46%
Number of salaries quoted 707 808 835
Median salary £42,500 £40,000 £45,000
Median salary % change year-on-year
+6.25% -11.11%
90% offered a salary of more than £25,000 £25,000 £27,500
10% offered a salary of more than £65,000 £72,500 £65,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

Clustering
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region citing Clustering as a proportion of all IT jobs with a match in the Miscellaneous category.

Clustering Jobs Demand Trend in Hertfordshire

Clustering
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Clustering across the Hertfordshire region.

Clustering Salary Trend in Hertfordshire

Clustering
Salary Histogram in Hertfordshire

This chart provides a salary histogram for IT jobs citing Clustering across the Hertfordshire region over the 3 months to 27 July 2016.

Clustering Salary Histogram in Hertfordshire

Clustering
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the Hertfordshire region over the 3 months to 27 July 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City +8 8 £60,000 +14.28%
Letchworth -2 4 £40,000 -
Watford +13 1 £62,500 -10.71%
St Albans - 1 £60,000 -
Clustering
East of England

Clustering
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 27 July 2016, 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 Hertfordshire region with a requirement for Clustering.

1 24 (70.59%) Microsoft
2 19 (55.88%) Firewall
3 18 (52.94%) Windows
3 18 (52.94%) TCP/IP
3 18 (52.94%) High Availability
4 16 (47.06%) Linux
5 15 (44.12%) SQL Server
6 13 (38.24%) Citrix
7 12 (35.29%) Active Directory
7 12 (35.29%) Finance
7 12 (35.29%) SQL
8 11 (32.35%) MS Excel
8 11 (32.35%) MS Exchange
9 10 (29.41%) PCI DSS
9 10 (29.41%) Change Control
10 9 (26.47%) Process Improvement
10 9 (26.47%) F5 BIG-IP LTM
10 9 (26.47%) DevOps
10 9 (26.47%) Salt
10 9 (26.47%) LAPP Stack
10 9 (26.47%) Human Resource Management
10 9 (26.47%) User Acceptance Testing
10 9 (26.47%) Data Protection
10 9 (26.47%) Bash Shell
10 9 (26.47%) Business Process Improvement
10 9 (26.47%) Puppet
10 9 (26.47%) F5
10 9 (26.47%) ISO 8583
10 9 (26.47%) Risk Assessment
10 9 (26.47%) BIG-IP

Clustering
Top Related IT Skills in Hertfordshire 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 (32.35%) MS Exchange
2 9 (26.47%) Apache
2 9 (26.47%) Tomcat
3 6 (17.65%) Exchange Server 2003
3 6 (17.65%) Exchange Server 2007
3 6 (17.65%) Exchange Server 2013
3 6 (17.65%) IIS
4 2 (5.88%) Exchange Server 2010
5 1 (2.94%) Drupal
Applications
1 11 (32.35%) MS Excel
Business Applications
1 1 (2.94%) Dynamics CRM
Cloud Services
1 6 (17.65%) Office 365
2 1 (2.94%) Mimecast
Communications & Networking
1 19 (55.88%) Firewall
2 18 (52.94%) TCP/IP
3 9 (26.47%) BIG-IP
3 9 (26.47%) F5 BIG-IP LTM
3 9 (26.47%) SSL
4 6 (17.65%) DHCP
4 6 (17.65%) DNS
5 5 (14.71%) SAN
6 4 (11.76%) Cisco ASA
6 4 (11.76%) Ethernet
6 4 (11.76%) Internet
6 4 (11.76%) LAN
6 4 (11.76%) WAN
7 1 (2.94%) Fibre Channel
7 1 (2.94%) NAS
7 1 (2.94%) Unified Communications
7 1 (2.94%) VPN
Database & Business Intelligence
1 15 (44.12%) SQL Server
2 9 (26.47%) PostgreSQL
3 7 (20.59%) Crystal Reports
3 7 (20.59%) Oracle Reports
4 4 (11.76%) Oracle Database
4 4 (11.76%) SQL Server Reporting Services
5 3 (8.82%) Microsoft Analysis Services
5 3 (8.82%) SQL Server 2008
5 3 (8.82%) SQL Server 2014
5 3 (8.82%) SQL Server Analysis Services
5 3 (8.82%) SQL Server Integration Services
6 1 (2.94%) Data Mining
6 1 (2.94%) Data Warehouse
General
1 12 (35.29%) Finance
2 9 (26.47%) Financial Institution
3 1 (2.94%) Automotive
Job Titles
1 10 (29.41%) DBA
2 9 (26.47%) DevOps Engineer
3 8 (23.53%) SQL DBA
4 5 (14.71%) 3rd Line Engineer
4 5 (14.71%) 3rd Line Support
4 5 (14.71%) 3rd Line Support Engineer
4 5 (14.71%) 3rd Line Technical Engineer
4 5 (14.71%) 3rd Line Technical Support
4 5 (14.71%) Administrator
4 5 (14.71%) Consultant
4 5 (14.71%) Oracle Consultant
4 5 (14.71%) Oracle DBA
4 5 (14.71%) Support Engineer
4 5 (14.71%) Technical Engineer
4 5 (14.71%) Technical Support
4 5 (14.71%) Technical Support Engineer
5 3 (8.82%) Infrastructure Engineer
5 3 (8.82%) VMware Engineer
6 2 (5.88%) Citrix Engineer
6 2 (5.88%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 9 (26.47%) LAPP Stack
2 4 (11.76%) .NET
2 4 (11.76%) Web Services
3 1 (2.94%) XML
Miscellaneous
1 9 (26.47%) Computer Science
2 7 (20.59%) Driving Licence
3 6 (17.65%) Analytical Skills
4 3 (8.82%) Management Information System
5 2 (5.88%) Blackberry
6 1 (2.94%) AS400
6 1 (2.94%) CMDB
6 1 (2.94%) Data Centre
6 1 (2.94%) Replication
Operating Systems
1 18 (52.94%) Windows
2 16 (47.06%) Linux
3 7 (20.59%) Windows Server
3 7 (20.59%) Windows Server 2008
4 4 (11.76%) Windows Server 2003
4 4 (11.76%) Windows Server 2012
5 1 (2.94%) AIX
5 1 (2.94%) Solaris
5 1 (2.94%) Unix
Processes & Methodologies
1 18 (52.94%) High Availability
2 10 (29.41%) Change Control
3 9 (26.47%) Business Process Improvement
3 9 (26.47%) Configuration Management
3 9 (26.47%) Data Protection
3 9 (26.47%) DevOps
3 9 (26.47%) Human Resource Management
3 9 (26.47%) Process Improvement
3 9 (26.47%) Risk Assessment
3 9 (26.47%) User Acceptance Testing
4 8 (23.53%) ITIL
5 4 (11.76%) Capacity Planning
5 4 (11.76%) Desktop Virtualisation
5 4 (11.76%) Network Load Balancing
5 4 (11.76%) Server Virtualisation
6 2 (5.88%) Disaster Recovery
6 2 (5.88%) Load Balancing
6 2 (5.88%) Project Management
7 1 (2.94%) Benchmarking
7 1 (2.94%) Business Intelligence
Programming Languages
1 12 (35.29%) SQL
2 9 (26.47%) Bash Shell
2 9 (26.47%) Java
2 9 (26.47%) Perl
2 9 (26.47%) Python
2 9 (26.47%) Ruby
3 3 (8.82%) PowerShell
3 3 (8.82%) T-SQL
Qualifications
1 9 (26.47%) RHCE
2 7 (20.59%) Microsoft Certification
2 7 (20.59%) SC Cleared
2 7 (20.59%) Security Cleared
3 4 (11.76%) MCSE
3 4 (11.76%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 10 (29.41%) PCI DSS
2 9 (26.47%) ISO 8583
3 6 (17.65%) SLA
System Software
1 12 (35.29%) Active Directory
2 7 (20.59%) VMware Infrastructure
3 6 (17.65%) VMware ESX
3 6 (17.65%) vSphere
3 6 (17.65%) XenApp
4 4 (11.76%) Microsoft App-V
5 2 (5.88%) Forefront TMG
5 2 (5.88%) Hyper-V
5 2 (5.88%) XenDesktop
6 1 (2.94%) Firmware
Systems Management
1 9 (26.47%) Puppet
1 9 (26.47%) Salt
2 2 (5.88%) Microsoft Clustering
3 1 (2.94%) McAfee ePO
3 1 (2.94%) SCCM
3 1 (2.94%) SCOM
Vendors
1 24 (70.59%) Microsoft
2 13 (38.24%) Citrix
3 9 (26.47%) F5
4 7 (20.59%) Oracle
4 7 (20.59%) VMware
5 6 (17.65%) Cisco
5 6 (17.65%) NetApp
6 5 (14.71%) HP
7 3 (8.82%) RedGate
8 1 (2.94%) CommVault
8 1 (2.94%) IBM
8 1 (2.94%) Intel Security
8 1 (2.94%) WatchGuard