Period
to 21 November 2017

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 6 months to 21 November 2017 with a comparison to the same period over the previous 2 years.

Clustering
East of England > Hertfordshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 210 199 198
Rank change year-on-year -11 -1 -21
Permanent jobs citing Clustering 7 16 48
As % of all permanent IT jobs advertised in Hertfordshire 0.16% 0.36% 0.90%
As % of the Miscellaneous category 0.38% 0.89% 2.19%
Number of salaries quoted 7 16 30
Hertfordshire median annual salary £47,000 £60,000 £47,500
Median salary % change year-on-year -21.67% +26.32% +5.56%
East of England median annual salary £47,000 £50,000 £49,250
% change year-on-year -6.00% +1.52% +9.44%

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 Hertfordshire with a requirement for generic IT skills.

All Generic IT Skills
Hertfordshire
Permanent vacancies with a requirement for generic IT skills 1865 1807 2194
As % of all permanent IT jobs advertised in Hertfordshire 42.12% 40.25% 40.96%
Number of salaries quoted 1551 1463 1738
Hertfordshire median annual salary £47,500 £46,000 £45,000
Median salary % change year-on-year +3.26% +2.22% -
10th Percentile £26,000 £24,000 £25,750
90th Percentile £71,250 £72,500 £70,000
East of England median annual salary £46,902 £45,000 £42,500
% change year-on-year +4.23% +5.88% +1.19%

Clustering
Job Vacancy Trend in Hertfordshire

Job postings citing Clustering as a percentage of all IT jobs advertised in Hertfordshire.

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
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 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
Hitchin - 5 £47,000 - 1
Knebworth - 1 £50,000 -
Hemel Hempstead - 1 £55,000 -
Clustering
East of 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 Hertfordshire region with a requirement for Clustering.

1 7 (100.00%) Microsoft
2 5 (71.43%) SSL
2 5 (71.43%) MySQL
2 5 (71.43%) Linux
2 5 (71.43%) Firewall
2 5 (71.43%) LAMP
2 5 (71.43%) ISO/IEC 27001
2 5 (71.43%) Load Balancing
2 5 (71.43%) SaaS
2 5 (71.43%) Kalman Filter
2 5 (71.43%) Hyper-V
2 5 (71.43%) Network Virtualisation
3 2 (28.57%) SQL Server Integration Services
3 2 (28.57%) SQL
3 2 (28.57%) T-SQL
3 2 (28.57%) SQL Server
3 2 (28.57%) Business Intelligence
4 1 (14.29%) OLTP
4 1 (14.29%) RDBMS
4 1 (14.29%) OLAP
4 1 (14.29%) Microsoft Office
4 1 (14.29%) C#
4 1 (14.29%) .NET
4 1 (14.29%) Oracle
4 1 (14.29%) Microsoft Excel
4 1 (14.29%) DTS
4 1 (14.29%) ETL
4 1 (14.29%) SQL Server Reporting Services
4 1 (14.29%) Advertising
4 1 (14.29%) High Availability

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:

Applications
1 1 (14.29%) Microsoft Excel
1 1 (14.29%) Microsoft Office
Cloud Services
1 5 (71.43%) SaaS
2 1 (14.29%) Microsoft Azure
Communications & Networking
1 5 (71.43%) Firewall
1 5 (71.43%) SSL
Database & Business Intelligence
1 5 (71.43%) MySQL
2 2 (28.57%) SQL Server
2 2 (28.57%) SQL Server Integration Services
3 1 (14.29%) DTS
3 1 (14.29%) OLAP
3 1 (14.29%) OLTP
3 1 (14.29%) Oracle Database
3 1 (14.29%) Oracle OLAP
3 1 (14.29%) Power BI
3 1 (14.29%) RDBMS
3 1 (14.29%) Relational Database
3 1 (14.29%) SQL Server 2012
3 1 (14.29%) SQL Server 2016
3 1 (14.29%) SQL Server Analysis Services
3 1 (14.29%) SQL Server Reporting Services
Development Applications
1 1 (14.29%) SQL Server Management Studio (SSMS)
General
1 1 (14.29%) Advertising
Job Titles
1 2 (28.57%) DBA
1 2 (28.57%) SQL DBA
2 1 (14.29%) Administrator
2 1 (14.29%) Oracle DBA
2 1 (14.29%) Senior DBA
2 1 (14.29%) Senior SQL DBA
Libraries, Frameworks & Software Standards
1 5 (71.43%) LAMP
2 1 (14.29%) .NET
2 1 (14.29%) WPF
Operating Systems
1 5 (71.43%) Linux
Processes & Methodologies
1 5 (71.43%) Kalman Filter
1 5 (71.43%) Load Balancing
1 5 (71.43%) Network Virtualisation
2 2 (28.57%) Business Intelligence
3 1 (14.29%) Database Optimisation
3 1 (14.29%) ETL
3 1 (14.29%) High Availability
3 1 (14.29%) Performance Tuning
Programming Languages
1 2 (28.57%) SQL
1 2 (28.57%) T-SQL
2 1 (14.29%) C#
2 1 (14.29%) PowerShell
Quality Assurance & Compliance
1 5 (71.43%) ISO/IEC 27001
System Software
1 5 (71.43%) Hyper-V
Vendors
1 7 (100.00%) Microsoft
2 1 (14.29%) Oracle