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 25 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Aug 2016
Same period 2015 Same period 2014
Clustering
Rank 122 116 128
Rank change year-on-year
-6 +12
Permanent jobs citing Clustering 12 35 20
As % of all permanent IT jobs located in Hertfordshire 0.62% 1.43% 0.83%
As % of the Miscellaneous category 1.52% 3.38% 2.05%
Number of salaries quoted 8 22 16
Median salary £60,000 £50,000 £42,500
Median salary % change year-on-year
+20.00% +17.64%
90% offered a salary of more than £40,000 £40,000 £32,500
10% offered a salary of more than £60,500 £72,250 £55,000
UK excluding London median salary £47,500 £43,500 £43,000
% change year-on-year
+9.19% +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
788 1035 976
As % of all permanent IT jobs located in Hertfordshire 40.53% 42.30% 40.51%
Number of salaries quoted 653 844 800
Median salary £44,000 £40,000 £45,000
Median salary % change year-on-year
+10.00% -11.11%
90% offered a salary of more than £25,000 £25,000 £30,000
10% offered a salary of more than £67,500 £70,000 £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 25 August 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 25 August 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 +3 8 £60,000 +4.34%
Letchworth -2 3 £40,000 -
Watford +12 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 25 August 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 22 (68.75%) Microsoft
2 18 (56.25%) Windows
3 17 (53.13%) Firewall
4 16 (50.00%) TCP/IP
4 16 (50.00%) High Availability
5 15 (46.88%) Linux
6 13 (40.63%) SQL
6 13 (40.63%) SQL Server
6 13 (40.63%) PCI DSS
6 13 (40.63%) Change Control
7 12 (37.50%) MS Excel
7 12 (37.50%) Finance
7 12 (37.50%) Active Directory
8 11 (34.38%) Citrix
9 9 (28.13%) RHCE
9 9 (28.13%) Configuration Management
9 9 (28.13%) PostgreSQL
9 9 (28.13%) VMware
9 9 (28.13%) Financial Institution
9 9 (28.13%) Apache
9 9 (28.13%) Tomcat
9 9 (28.13%) Python
9 9 (28.13%) SSL
9 9 (28.13%) Java
9 9 (28.13%) Perl
9 9 (28.13%) Data Protection
9 9 (28.13%) User Acceptance Testing
9 9 (28.13%) VMware Infrastructure
9 9 (28.13%) Bash Shell
9 9 (28.13%) Puppet

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 9 (28.13%) Apache
1 9 (28.13%) Tomcat
2 8 (25.00%) MS Exchange
3 5 (15.63%) Exchange Server 2003
3 5 (15.63%) Exchange Server 2007
3 5 (15.63%) Exchange Server 2013
3 5 (15.63%) IIS
4 1 (3.13%) Drupal
4 1 (3.13%) Exchange Server 2010
Applications
1 12 (37.50%) MS Excel
Business Applications
1 1 (3.13%) Dynamics CRM
Cloud Services
1 5 (15.63%) Office 365
2 4 (12.50%) Mimecast
Communications & Networking
1 17 (53.13%) Firewall
2 16 (50.00%) TCP/IP
3 9 (28.13%) BIG-IP
3 9 (28.13%) F5 BIG-IP LTM
3 9 (28.13%) SSL
4 8 (25.00%) SAN
5 5 (15.63%) DHCP
5 5 (15.63%) DNS
6 4 (12.50%) Cisco ASA
6 4 (12.50%) Ethernet
6 4 (12.50%) Fibre Channel
6 4 (12.50%) Internet
6 4 (12.50%) LAN
6 4 (12.50%) NAS
6 4 (12.50%) WAN
7 1 (3.13%) Unified Communications
7 1 (3.13%) VPN
Database & Business Intelligence
1 13 (40.63%) SQL Server
2 9 (28.13%) PostgreSQL
3 6 (18.75%) Crystal Reports
3 6 (18.75%) Oracle Reports
4 4 (12.50%) Oracle Database
5 3 (9.38%) SQL Server Reporting Services
6 2 (6.25%) Microsoft Analysis Services
6 2 (6.25%) SQL Server 2008
6 2 (6.25%) SQL Server 2014
6 2 (6.25%) SQL Server Analysis Services
6 2 (6.25%) SQL Server Integration Services
7 1 (3.13%) Data Mining
7 1 (3.13%) Data Warehouse
General
1 12 (37.50%) Finance
2 9 (28.13%) Financial Institution
3 1 (3.13%) Automotive
Job Titles
1 9 (28.13%) DevOps Engineer
2 8 (25.00%) DBA
3 6 (18.75%) SQL DBA
4 5 (15.63%) Infrastructure Engineer
4 5 (15.63%) VMware Engineer
5 4 (12.50%) Administrator
5 4 (12.50%) Consultant
5 4 (12.50%) Oracle Consultant
5 4 (12.50%) Oracle DBA
6 3 (9.38%) 3rd Line Engineer
6 3 (9.38%) 3rd Line Support
6 3 (9.38%) 3rd Line Support Engineer
6 3 (9.38%) 3rd Line Technical Engineer
6 3 (9.38%) 3rd Line Technical Support
6 3 (9.38%) Support Engineer
6 3 (9.38%) Technical Engineer
6 3 (9.38%) Technical Support
6 3 (9.38%) Technical Support Engineer
7 1 (3.13%) Head of CRM
7 1 (3.13%) Network Infrastructure Team Leader
Libraries, Frameworks & Software Standards
1 9 (28.13%) LAPP Stack
2 4 (12.50%) .NET
2 4 (12.50%) Web Services
3 1 (3.13%) XML
Miscellaneous
1 9 (28.13%) Computer Science
2 6 (18.75%) Driving Licence
2 6 (18.75%) Management Information System
3 4 (12.50%) Analytical Skills
3 4 (12.50%) CMDB
3 4 (12.50%) Data Centre
3 4 (12.50%) Replication
4 1 (3.13%) AS400
4 1 (3.13%) Blackberry
Operating Systems
1 18 (56.25%) Windows
2 15 (46.88%) Linux
3 6 (18.75%) Windows Server
3 6 (18.75%) Windows Server 2008
3 6 (18.75%) Windows Server 2012
4 4 (12.50%) Windows Server 2003
5 1 (3.13%) AIX
5 1 (3.13%) Solaris
5 1 (3.13%) Unix
Processes & Methodologies
1 16 (50.00%) High Availability
2 13 (40.63%) Change Control
3 9 (28.13%) Business Process Improvement
3 9 (28.13%) Configuration Management
3 9 (28.13%) Data Protection
3 9 (28.13%) DevOps
3 9 (28.13%) Human Resource Management
3 9 (28.13%) Process Improvement
3 9 (28.13%) Risk Assessment
3 9 (28.13%) User Acceptance Testing
4 8 (25.00%) ITIL
5 6 (18.75%) Capacity Planning
6 5 (15.63%) Disaster Recovery
6 5 (15.63%) Project Management
7 4 (12.50%) Application Packaging
7 4 (12.50%) Desktop Virtualisation
7 4 (12.50%) Network Load Balancing
7 4 (12.50%) PRINCE2
7 4 (12.50%) Server Virtualisation
7 4 (12.50%) Time Management
Programming Languages
1 13 (40.63%) SQL
2 9 (28.13%) Bash Shell
2 9 (28.13%) Java
2 9 (28.13%) Perl
2 9 (28.13%) Python
2 9 (28.13%) Ruby
3 5 (15.63%) PowerShell
4 2 (6.25%) T-SQL
Qualifications
1 9 (28.13%) RHCE
2 6 (18.75%) Microsoft Certification
3 4 (12.50%) MCSE
3 4 (12.50%) SC Cleared
3 4 (12.50%) Security Cleared
3 4 (12.50%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 13 (40.63%) PCI DSS
2 9 (28.13%) ISO 8583
3 4 (12.50%) SLA
System Software
1 12 (37.50%) Active Directory
2 9 (28.13%) VMware Infrastructure
3 5 (15.63%) VMware ESX
3 5 (15.63%) vSphere
3 5 (15.63%) XenApp
4 4 (12.50%) Firmware
4 4 (12.50%) Microsoft App-V
5 1 (3.13%) Forefront TMG
5 1 (3.13%) Hyper-V
5 1 (3.13%) XenDesktop
Systems Management
1 9 (28.13%) Puppet
1 9 (28.13%) Salt
2 4 (12.50%) McAfee ePO
2 4 (12.50%) SCCM
2 4 (12.50%) SCOM
3 1 (3.13%) Microsoft Clustering
Vendors
1 22 (68.75%) Microsoft
2 11 (34.38%) Citrix
3 9 (28.13%) F5
3 9 (28.13%) VMware
4 8 (25.00%) HP
5 7 (21.88%) NetApp
6 6 (18.75%) Oracle
7 5 (15.63%) Cisco
8 4 (12.50%) CommVault
8 4 (12.50%) Intel Security
8 4 (12.50%) WatchGuard
9 2 (6.25%) RedGate
10 1 (3.13%) IBM