The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in Hertfordshire. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 3 months to 26 June 2017 with a comparison to the same period over the previous 2 years.

Clustering
East of England / Hertfordshire
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 144 129 139
Rank change year-on-year -15 +10  
Permanent jobs citing Clustering 2 12 40
As % of all permanent IT jobs advertised in Hertfordshire 0.095% 0.53% 1.39%
As % of the Miscellaneous category 0.23% 1.22% 3.19%
Number of salaries quoted 2 12 24
Median salary £52,500 £46,500 £44,375
Median salary % change year-on-year +12.90% +4.78%  
90% offered a salary of more than £44,500 £40,000 £32,200
10% offered a salary of more than £60,500 £57,500 £71,750
UK excluding London median salary £45,000 £44,000 £44,500
% change year-on-year +2.27% -1.12%  

Clustering is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for generic IT skills.

Generic IT Skills
Hertfordshire
Permanent job vacancies with a requirement for generic IT skills 874 986 1253
As % of all permanent IT job vacancies advertised in Hertfordshire 41.42% 43.46% 43.52%
Number of salaries quoted 723 793 965
Median salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% -  
90% offered a salary of more than £28,150 £26,500 £26,500
10% offered a salary of more than £67,500 £67,500 £70,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

Clustering
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing Clustering as a proportion of all permanent or contract IT jobs with a match in the Miscellaneous category.

Job vacancy trend for Clustering in Hertfordshire

Clustering
Salary Trend in Hertfordshire

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

Salary trend for Clustering in Hertfordshire

Clustering
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Clustering in Hertfordshire over the 3 months to 26 June 2017.

Salary histogram for Clustering 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 26 June 2017. 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 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
Hemel Hempstead - 2 £52,500 -
Clustering
East of England

For the 6 months to 26 June 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 Hertfordshire region with a requirement for Clustering.

1 7 (70.00%) Oracle
2 6 (60.00%) SQL Server
2 6 (60.00%) SQL
3 4 (40.00%) Finance
3 4 (40.00%) Oracle EBS
3 4 (40.00%) Windows
4 3 (30.00%) Linux
4 3 (30.00%) Oracle Reports
4 3 (30.00%) Apache
4 3 (30.00%) Microsoft
5 2 (20.00%) Business Intelligence
5 2 (20.00%) Oracle Enterprise Manager
5 2 (20.00%) RDBMS
5 2 (20.00%) Data Warehouse
5 2 (20.00%) Citrix
5 2 (20.00%) Project Management
5 2 (20.00%) ETL
5 2 (20.00%) T-SQL
5 2 (20.00%) MySQL
5 2 (20.00%) Crystal Reports
5 2 (20.00%) WebLogic
5 2 (20.00%) Oracle APEX
5 2 (20.00%) SQL Server Integration Services
5 2 (20.00%) Migration
5 2 (20.00%) Oracle Applications
5 2 (20.00%) Replication
5 2 (20.00%) VMware
5 2 (20.00%) Oracle RMAN
5 2 (20.00%) Hyperion
5 2 (20.00%) Firewall

Clustering
Co-occurring 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 3 (30.00%) Apache
2 2 (20.00%) WebLogic
3 1 (10.00%) Exchange Server 2010
3 1 (10.00%) MS Exchange
3 1 (10.00%) Tomcat
Business Applications
1 4 (40.00%) Oracle EBS
2 2 (20.00%) Oracle Applications
Cloud Services
1 1 (10.00%) Microsoft Azure
1 1 (10.00%) Office 365
Communications & Networking
1 2 (20.00%) Firewall
2 1 (10.00%) Cisco ASA
2 1 (10.00%) DHCP
2 1 (10.00%) DNS
2 1 (10.00%) IP Telephony
2 1 (10.00%) IPsec
2 1 (10.00%) NAS
2 1 (10.00%) SAN
2 1 (10.00%) SSL
2 1 (10.00%) TCP/IP
2 1 (10.00%) WAN
Database & Business Intelligence
1 6 (60.00%) SQL Server
2 3 (30.00%) Oracle Reports
3 2 (20.00%) Crystal Reports
3 2 (20.00%) Data Warehouse
3 2 (20.00%) MySQL
3 2 (20.00%) RDBMS
3 2 (20.00%) Relational Database
3 2 (20.00%) SQL Server 2008
3 2 (20.00%) SQL Server Integration Services
4 1 (10.00%) Oracle Database
4 1 (10.00%) PostgreSQL
Development Applications
1 2 (20.00%) Oracle APEX
General
1 4 (40.00%) Finance
2 1 (10.00%) Back Office
2 1 (10.00%) Telecoms
Job Titles
1 6 (60.00%) DBA
2 2 (20.00%) Administrator
2 2 (20.00%) Oracle DBA
2 2 (20.00%) Production DBA
2 2 (20.00%) Project Manager
2 2 (20.00%) SQL DBA
2 2 (20.00%) SQL Server DBA
2 2 (20.00%) SQL Server Production DBA
3 1 (10.00%) Business Consultant
3 1 (10.00%) Business Intelligence Manager
3 1 (10.00%) Business Intelligence Project Manager
3 1 (10.00%) DevOps Engineer
3 1 (10.00%) E-Business Consultant
3 1 (10.00%) Implementation Manager
3 1 (10.00%) IT Analyst
3 1 (10.00%) IT Infrastructure Analyst
3 1 (10.00%) Oracle Consultant
3 1 (10.00%) Oracle Project Manager
3 1 (10.00%) Project Implementation Manager
3 1 (10.00%) Technical Manager
Libraries, Frameworks & Software Standards
1 1 (10.00%) LAPP Stack
Miscellaneous
1 2 (20.00%) Driving Licence
1 2 (20.00%) Replication
2 1 (10.00%) Data Centre
Operating Systems
1 4 (40.00%) Windows
2 3 (30.00%) Linux
3 1 (10.00%) Unix
3 1 (10.00%) Windows 10
3 1 (10.00%) Windows Server
3 1 (10.00%) Windows Server 2008
3 1 (10.00%) Windows Server 2012
Processes & Methodologies
1 2 (20.00%) Business Intelligence
1 2 (20.00%) ETL
1 2 (20.00%) High Availability
1 2 (20.00%) Mentoring
1 2 (20.00%) Migration
1 2 (20.00%) Performance Tuning
1 2 (20.00%) Project Management
2 1 (10.00%) Data Protection
2 1 (10.00%) DevOps
2 1 (10.00%) Disaster Recovery
2 1 (10.00%) Escalation Management
2 1 (10.00%) Network Load Balancing
2 1 (10.00%) PRINCE
2 1 (10.00%) PRINCE2
2 1 (10.00%) Process Improvement
2 1 (10.00%) Software Engineering
Programming Languages
1 6 (60.00%) SQL
2 2 (20.00%) T-SQL
3 1 (10.00%) Bash Shell
3 1 (10.00%) Java
3 1 (10.00%) Perl
3 1 (10.00%) Python
3 1 (10.00%) Ruby
Qualifications
1 1 (10.00%) CCNA
1 1 (10.00%) Cisco Certification
1 1 (10.00%) Degree
Quality Assurance & Compliance
1 1 (10.00%) ISAE 3402
1 1 (10.00%) ISO/IEC 27001
System Software
1 2 (20.00%) VMware Infrastructure
2 1 (10.00%) Active Directory
2 1 (10.00%) Hyper-V
2 1 (10.00%) Virtual Machines
2 1 (10.00%) VMware ESXi
Systems Management
1 2 (20.00%) Oracle Enterprise Manager
1 2 (20.00%) Oracle RMAN
2 1 (10.00%) Cisco CUCM
2 1 (10.00%) Puppet
Vendors
1 7 (70.00%) Oracle
2 3 (30.00%) Microsoft
3 2 (20.00%) Citrix
3 2 (20.00%) Hyperion
3 2 (20.00%) VMware
4 1 (10.00%) Cisco
4 1 (10.00%) HP
4 1 (10.00%) Nimble Storage
4 1 (10.00%) Remedy