The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for Waterfall skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Waterfall over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

Waterfall Model
Hertfordshire / Welwyn Garden City
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 25 24 -
Rank change year-on-year -1 -  
Permanent jobs citing Waterfall 1 2 0
As % of all permanent IT jobs advertised in Welwyn Garden City 0.83% 2.27% -
As % of the Processes & Methodologies category 0.92% 2.41% -
Number of salaries quoted 1 1 0
Median salary £55,000 £47,500 -
Median salary % change year-on-year +15.78% -  
UK excluding London median salary £48,000 £50,000 £45,000
% change year-on-year -4.00% +11.11%  

Waterfall is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Welwyn Garden City with a requirement for process and methodology skills.

Process & Methodology Skills
Welwyn Garden City
Permanent job vacancies with a requirement for process and methodology skills 109 83 142
As % of all permanent IT job vacancies advertised in Welwyn Garden City 90.83% 94.32% 94.67%
Number of salaries quoted 65 73 97
Median salary £40,000 £46,500 £50,000
Median salary % change year-on-year -13.97% -7.00%  
90% offered a salary of more than £31,500 £37,500 £35,000
10% offered a salary of more than £75,000 £58,500 £60,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Waterfall
Job Vacancy Trend in Welwyn Garden City

The job posting trend of jobs advertised in Welwyn Garden City citing Waterfall as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Waterfall in Welwyn Garden City

Waterfall
Salary Trend in Welwyn Garden City

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Waterfall in Welwyn Garden City.

Salary trend for Waterfall in Welwyn Garden City

For the 6 months to 25 June 2017, IT jobs citing Waterfall 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 Welwyn Garden City region with a requirement for Waterfall.

1 3 (100.00%) Agile Software Development
2 2 (66.67%) TDD
2 2 (66.67%) Content Management
2 2 (66.67%) MVC
2 2 (66.67%) CMS
2 2 (66.67%) SOLID
2 2 (66.67%) C#
2 2 (66.67%) .NET
2 2 (66.67%) SQL Server
2 2 (66.67%) Microsoft
2 2 (66.67%) Sitecore CMS
2 2 (66.67%) Sitecore
2 2 (66.67%) Enterprise Content Management
2 2 (66.67%) BDD
2 2 (66.67%) REST
2 2 (66.67%) Software Deployment
2 2 (66.67%) ASP.NET Web API
2 2 (66.67%) Mentoring
3 1 (33.33%) SDLC
3 1 (33.33%) ISEB
3 1 (33.33%) Project Management
3 1 (33.33%) Pharmaceutical
3 1 (33.33%) Data Modelling
3 1 (33.33%) Life Science

Waterfall
Co-occurring IT Skills in Welwyn Garden City 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 2 (66.67%) CMS
1 2 (66.67%) Sitecore CMS
Database & Business Intelligence
1 2 (66.67%) SQL Server
General
1 1 (33.33%) Pharmaceutical
Job Titles
1 1 (33.33%) Analyst
1 1 (33.33%) Business Analyst
1 1 (33.33%) Senior Analyst
1 1 (33.33%) Senior Business Analyst
Libraries, Frameworks & Software Standards
1 2 (66.67%) .NET
1 2 (66.67%) ASP.NET Web API
1 2 (66.67%) REST
Miscellaneous
1 1 (33.33%) Life Science
Processes & Methodologies
1 3 (100.00%) Agile Software Development
2 2 (66.67%) BDD
2 2 (66.67%) Content Management
2 2 (66.67%) Enterprise Content Management
2 2 (66.67%) Mentoring
2 2 (66.67%) MVC
2 2 (66.67%) Software Deployment
2 2 (66.67%) SOLID
2 2 (66.67%) TDD
3 1 (33.33%) Data Modelling
3 1 (33.33%) Project Management
3 1 (33.33%) SDLC
Programming Languages
1 2 (66.67%) C#
Qualifications
1 1 (33.33%) ISEB
Vendors
1 2 (66.67%) Microsoft
1 2 (66.67%) Sitecore