Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Open Source
Hertfordshire > Welwyn Garden City
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 41 36 18
Rank change year-on-year -5 -18 +17
Permanent jobs citing Open Source 5 4 22
As % of all permanent IT jobs advertised in Welwyn Garden City 2.36% 1.84% 9.87%
As % of the Processes & Methodologies category 2.54% 1.92% 10.78%
Number of salaries quoted 5 4 22
Welwyn Garden City median annual salary £33,500 £92,500 £75,000
Median salary % change year-on-year -63.78% +23.33% +44.23%
10th Percentile £31,000 £57,125 £72,500
90th Percentile £61,250 £107,500 £77,500
Hertfordshire median annual salary £57,500 £65,000 £55,000
% change year-on-year -11.54% +18.18% -8.33%

Open Source is in the Processes and Methodologies category. The following 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 or methodology skills.

All Process and Methodology Skills
Welwyn Garden City
Permanent vacancies with a requirement for process or methodology skills 197 208 204
As % of all permanent IT jobs advertised in Welwyn Garden City 92.92% 95.85% 91.48%
Number of salaries quoted 148 171 141
Welwyn Garden City median annual salary £41,500 £49,000 £55,000
Median salary % change year-on-year -15.31% -10.91% +29.41%
10th Percentile £31,925 £25,750 £26,750
90th Percentile £65,000 £73,750 £77,500
Hertfordshire median annual salary £47,500 £50,000 £47,500
% change year-on-year -5.00% +5.26% +3.26%

Open Source
Job Vacancy Trend in Welwyn Garden City

Job postings citing Open Source as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for Open Source in Welwyn Garden City

Open Source
Salary Trend in Welwyn Garden City

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

Salary trend for Open Source in Welwyn Garden City

Open Source
Salary Histogram in Welwyn Garden City

The salary distribution of IT jobs citing Open Source in Welwyn Garden City over the 6 months to 24 November 2017.

Salary histogram for Open Source in Welwyn Garden City

For the 6 months to 24 November 2017, IT jobs citing Open Source 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 Open Source.

1 3 (60.00%) Microsoft Office
1 3 (60.00%) Windows
1 3 (60.00%) Linux
1 3 (60.00%) MS Exchange
1 3 (60.00%) Microsoft
1 3 (60.00%) Mac OS X
1 3 (60.00%) Apple
1 3 (60.00%) Firewall
1 3 (60.00%) Law
1 3 (60.00%) Migration
1 3 (60.00%) Ethical Hacking
1 3 (60.00%) Office 365
1 3 (60.00%) Facebook
1 3 (60.00%) Mobile Device Management
1 3 (60.00%) Cybersecurity
1 3 (60.00%) Mentoring
1 3 (60.00%) OSINT
1 3 (60.00%) Kali Linux
1 3 (60.00%) Two-Factor Authentication
1 3 (60.00%) Multi-Factor Authentication
2 2 (40.00%) Microservices
2 2 (40.00%) Apache Spark
2 2 (40.00%) Play Framework
2 2 (40.00%) Big Data
2 2 (40.00%) Clojure
2 2 (40.00%) NoSQL
2 2 (40.00%) Haskell
2 2 (40.00%) F#
2 2 (40.00%) Scala
2 2 (40.00%) Data Management

Open Source
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 3 (60.00%) MS Exchange
2 2 (40.00%) Apache Spark
Applications
1 3 (60.00%) Microsoft Office
Cloud Services
1 3 (60.00%) Office 365
Communications & Networking
1 3 (60.00%) Firewall
Database & Business Intelligence
1 2 (40.00%) Big Data
1 2 (40.00%) NoSQL
General
1 3 (60.00%) Law
Job Titles
1 3 (60.00%) IT Engineer
1 3 (60.00%) IT Support
1 3 (60.00%) IT Support Engineer
1 3 (60.00%) Support Engineer
2 2 (40.00%) Developer
3 1 (20.00%) Software Developer
Libraries, Frameworks & Software Standards
1 2 (40.00%) Play Framework
Operating Systems
1 3 (60.00%) Kali Linux
1 3 (60.00%) Linux
1 3 (60.00%) Mac OS X
1 3 (60.00%) Windows
Processes & Methodologies
1 3 (60.00%) Cybersecurity
1 3 (60.00%) Ethical Hacking
1 3 (60.00%) Mentoring
1 3 (60.00%) Migration
1 3 (60.00%) Mobile Device Management
1 3 (60.00%) Multi-Factor Authentication
1 3 (60.00%) OSINT
1 3 (60.00%) Two-Factor Authentication
2 2 (40.00%) Data Management
2 2 (40.00%) Microservices
Programming Languages
1 2 (40.00%) C#
1 2 (40.00%) Clojure
1 2 (40.00%) F#
1 2 (40.00%) Haskell
1 2 (40.00%) Java
1 2 (40.00%) Python
1 2 (40.00%) Scala
1 2 (40.00%) SQL
2 1 (20.00%) C++
Vendors
1 3 (60.00%) Apple
1 3 (60.00%) Facebook
1 3 (60.00%) Microsoft