The following table provides summary statistics for permanent job vacancies advertised in Preston 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 30 March 2017 with a comparison to the same period in the previous 2 years.

Waterfall Model
Lancashire / Preston
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 11 14 20
Rank change year-on-year +3 +6  
Permanent jobs citing Waterfall 20 2 2
As % of all permanent IT jobs advertised in Preston 16.39% 3.33% 2.63%
As % of the Processes & Methodologies category 19.23% 3.70% 3.17%
Number of salaries quoted 20 2 0
Median salary £40,000 £27,500 -
Median salary % change year-on-year +45.45% -  
UK excluding London median salary £46,250 £47,500 £46,750
% change year-on-year -2.63% +1.60%  

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 Preston with a requirement for process and methodology skills.

Process & Methodology Skills
Preston
Permanent job vacancies with a requirement for process and methodology skills 104 54 63
As % of all permanent IT job vacancies advertised in Preston 85.25% 90.00% 82.89%
Number of salaries quoted 98 45 51
Median salary £40,000 £37,500 £35,000
Median salary % change year-on-year +6.66% +7.14%  
90% offered a salary of more than £27,500 £22,750 £27,500
10% offered a salary of more than £45,500 £44,500 £48,750
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

Waterfall
Job Vacancy Trend in Preston

The job posting trend of jobs advertised in Preston 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 Preston

Waterfall
Salary Trend in Preston

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

Salary trend for Waterfall in Preston

For the 6 months to 30 March 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 Preston region with a requirement for Waterfall.

1 30 (100.00%) Agile Software Development
2 23 (76.67%) SDLC
3 22 (73.33%) ERP
4 19 (63.33%) IBM
4 19 (63.33%) AS400
4 19 (63.33%) RPG
4 19 (63.33%) SQL
4 19 (63.33%) DB2
4 19 (63.33%) ITIL
4 19 (63.33%) Unit Testing
4 19 (63.33%) iSeries
5 7 (23.33%) Functional Testing
5 7 (23.33%) V-Model
6 6 (20.00%) Test Strategy
6 6 (20.00%) Test Scripting
7 5 (16.67%) Software Testing
8 3 (10.00%) CRM
9 1 (3.33%) .NET
9 1 (3.33%) C
9 1 (3.33%) C#
9 1 (3.33%) C++
9 1 (3.33%) Java
9 1 (3.33%) ISTQB
9 1 (3.33%) Degree
9 1 (3.33%) JIRA
9 1 (3.33%) Performance Testing
9 1 (3.33%) Continuous Integration
9 1 (3.33%) Automated Testing
9 1 (3.33%) TeamCity
9 1 (3.33%) Team Foundation Server

Waterfall
Co-occurring IT Skills in Preston 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:

Database & Business Intelligence
1 19 (63.33%) DB2
Development Applications
1 1 (3.33%) Cucumber
1 1 (3.33%) Jenkins
1 1 (3.33%) JIRA
1 1 (3.33%) Team Foundation Server
1 1 (3.33%) TeamCity
Job Titles
1 12 (40.00%) Analyst
2 11 (36.67%) Programmer
2 11 (36.67%) RPG Programmer
2 11 (36.67%) Senior Programmer
2 11 (36.67%) Senior RPG Programmer
3 8 (26.67%) Applications Support
3 8 (26.67%) Applications Support Analyst
3 8 (26.67%) Support Analyst
4 7 (23.33%) Consultant
4 7 (23.33%) Test Consultant
5 6 (20.00%) Senior Consultant
5 6 (20.00%) Senior Test Consultant
6 4 (13.33%) Business Analyst
7 1 (3.33%) Test Automation Consultant
Libraries, Frameworks & Software Standards
1 1 (3.33%) .NET
Miscellaneous
1 19 (63.33%) AS400
1 19 (63.33%) iSeries
Processes & Methodologies
1 30 (100.00%) Agile Software Development
2 23 (76.67%) SDLC
3 22 (73.33%) ERP
4 19 (63.33%) ITIL
4 19 (63.33%) Unit Testing
5 7 (23.33%) Functional Testing
5 7 (23.33%) V-Model
6 6 (20.00%) Test Scripting
6 6 (20.00%) Test Strategy
7 5 (16.67%) Software Testing
8 3 (10.00%) CRM
9 1 (3.33%) Automated Testing
9 1 (3.33%) Continuous Improvement
9 1 (3.33%) Continuous Integration
9 1 (3.33%) Exploratory Testing
9 1 (3.33%) Issue Tracking
9 1 (3.33%) Performance Testing
9 1 (3.33%) Test Automation
Programming Languages
1 19 (63.33%) RPG
1 19 (63.33%) SQL
2 1 (3.33%) C
2 1 (3.33%) C#
2 1 (3.33%) C++
2 1 (3.33%) Java
Qualifications
1 1 (3.33%) Degree
1 1 (3.33%) ISTQB
Vendors
1 19 (63.33%) IBM