The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Open Source
East of England / Hertfordshire
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 95 92 113
Rank change year-on-year -3 +21  
Permanent jobs citing Open Source 52 52 61
As % of all permanent IT jobs advertised in Hertfordshire 2.51% 2.28% 2.12%
As % of the Processes & Methodologies category 2.86% 2.61% 2.46%
Number of salaries quoted 41 50 56
Median salary £45,000 £57,500 £52,500
Median salary % change year-on-year -21.73% +9.52%  
90% offered a salary of more than £35,000 £47,250 £40,000
10% offered a salary of more than £60,000 £70,000 £60,000
UK excluding London median salary £47,000 £47,500 £45,000
% change year-on-year -1.05% +5.55%  

Open Source 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 Hertfordshire with a requirement for process and methodology skills.

Process & Methodology Skills
Hertfordshire
Permanent job vacancies with a requirement for process and methodology skills 1816 1995 2481
As % of all permanent IT job vacancies advertised in Hertfordshire 87.77% 87.31% 86.12%
Number of salaries quoted 1538 1632 1956
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
90% offered a salary of more than £32,500 £33,500 £31,000
10% offered a salary of more than £72,500 £67,500 £70,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

Open Source
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing Open Source as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Hertfordshire

Open Source
Salary Trend in Hertfordshire

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

Salary trend for Open Source in Hertfordshire

Open Source
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Open Source in Hertfordshire over the 3 months to 24 June 2017.

Salary histogram for Open Source in Hertfordshire

Open Source
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the Hertfordshire region over the 3 months to 24 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
Watford -3 17 £45,000 -35.71% 3
Hatfield -14 16 £58,750 +11.90%
Radlett - 12 £37,500 -
Welwyn Garden City -3 2 £33,500 -41.73% 1
Stevenage +16 1 £46,500 -25.60% 1
St Albans -3 1 £60,000 +45.45% 1
Hemel Hempstead -4 1 £72,500 +20.83%
Open Source
East of England

For the 6 months to 24 June 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 Hertfordshire region with a requirement for Open Source.

1 81 (75.00%) Linux
2 58 (53.70%) JavaScript
3 56 (51.85%) C#
3 56 (51.85%) HTML
3 56 (51.85%) CSS
4 55 (50.93%) ASP.NET
4 55 (50.93%) .NET
5 54 (50.00%) MVC
6 53 (49.07%) Agile Software Development
6 53 (49.07%) jQuery
7 51 (47.22%) ASP.NET MVC
8 48 (44.44%) SQL
8 48 (44.44%) Twitter Bootstrap
9 43 (39.81%) Git (software)
9 43 (39.81%) AngularJS
10 42 (38.89%) Test Automation
10 42 (38.89%) DevOps
11 40 (37.04%) Subversion
12 39 (36.11%) Office 365
13 38 (35.19%) Selenium
14 37 (34.26%) SharePoint
14 37 (34.26%) Mobile Development
15 35 (32.41%) Degree
16 34 (31.48%) Continuous Integration
16 34 (31.48%) OO
17 33 (30.56%) Microsoft
17 33 (30.56%) NUnit
17 33 (30.56%) ASP.NET Web API
18 30 (27.78%) SOA
18 30 (27.78%) Middleware

Open Source
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 37 (34.26%) SharePoint
2 27 (25.00%) Apache
2 27 (25.00%) Oracle Service Bus
2 27 (25.00%) Oracle SOA Suite
3 13 (12.04%) Confluence
4 12 (11.11%) IIS
5 11 (10.19%) Tomcat
6 3 (2.78%) BizTalk Server
6 3 (2.78%) Drupal
7 2 (1.85%) CMS
7 2 (1.85%) MS Exchange
Applications
1 3 (2.78%) Microsoft Excel
1 3 (2.78%) Microsoft PowerPoint
1 3 (2.78%) MS Visio
2 2 (1.85%) Microsoft Office
Business Applications
1 3 (2.78%) Magento
Cloud Services
1 39 (36.11%) Office 365
2 29 (26.85%) Amazon AWS
3 3 (2.78%) G Suite
4 2 (1.85%) AdWords
4 2 (1.85%) GitHub
4 2 (1.85%) Google Analytics
4 2 (1.85%) IaaS
4 2 (1.85%) Microsoft Azure
4 2 (1.85%) PaaS
4 2 (1.85%) SaaS
Communications & Networking
1 12 (11.11%) SAN
2 4 (3.70%) Firewall
3 3 (2.78%) HTTP
4 2 (1.85%) DNS
4 2 (1.85%) ICMP
4 2 (1.85%) TCP/IP
4 2 (1.85%) VPN
5 1 (0.93%) VoIP
Database & Business Intelligence
1 29 (26.85%) MySQL
2 14 (12.96%) SQL Server
3 12 (11.11%) PostgreSQL
4 3 (2.78%) Relational Database
5 2 (1.85%) Amazon RDS
5 2 (1.85%) Apache Cassandra
5 2 (1.85%) DB2
5 2 (1.85%) NoSQL
5 2 (1.85%) Redis
6 1 (0.93%) Data Mining
6 1 (0.93%) Hadoop
6 1 (0.93%) MongoDB
Development Applications
1 43 (39.81%) Git (software)
2 40 (37.04%) Subversion
3 38 (35.19%) Selenium
4 33 (30.56%) NUnit
5 29 (26.85%) VSS/SourceSafe
6 27 (25.00%) Jasmine
6 27 (25.00%) MSTest
7 21 (19.44%) TeamCity
8 15 (13.89%) Cucumber
8 15 (13.89%) Visual Studio Team System
9 13 (12.04%) JIRA
10 11 (10.19%) JBehave
10 11 (10.19%) JUnit
10 11 (10.19%) Maven
10 11 (10.19%) SoapUI
10 11 (10.19%) WebDriver
11 9 (8.33%) Jenkins
12 7 (6.48%) Atlassian Bamboo
13 4 (3.70%) FitNesse
13 4 (3.70%) Moq
General
1 29 (26.85%) Advertising
2 22 (20.37%) Legal
3 17 (15.74%) Finance
4 15 (13.89%) Marketing
5 7 (6.48%) Games
6 4 (3.70%) Retail
7 3 (2.78%) Back Office
8 2 (1.85%) French Language
8 2 (1.85%) German Language
8 2 (1.85%) Law
8 2 (1.85%) Swedish Language
9 1 (0.93%) Manufacturing
9 1 (0.93%) Publishing
Job Titles
1 72 (66.67%) Developer
2 37 (34.26%) C# Developer
3 33 (30.56%) Senior Developer
4 25 (23.15%) .NET Developer
5 23 (21.30%) ASP.NET Developer
5 23 (21.30%) ASP.NET MVC Developer
5 23 (21.30%) C# .NET Developer
5 23 (21.30%) Senior C# Developer
6 22 (20.37%) C# ASP.NET Developer
6 22 (20.37%) Senior .NET Developer
6 22 (20.37%) Senior ASP.NET Developer
6 22 (20.37%) Senior ASP.NET MVC Developer
6 22 (20.37%) Senior C# .NET Developer
6 22 (20.37%) Senior C# ASP.NET Developer
7 16 (14.81%) Software Developer
8 14 (12.96%) C# Software Developer
9 12 (11.11%) Administrator
9 12 (11.11%) Linux Administrator
9 12 (11.11%) Linux Systems Administrator
9 12 (11.11%) Software Engineer
Libraries, Frameworks & Software Standards
1 56 (51.85%) CSS
1 56 (51.85%) HTML
2 55 (50.93%) .NET
2 55 (50.93%) ASP.NET
3 53 (49.07%) jQuery
4 51 (47.22%) ASP.NET MVC
5 48 (44.44%) Twitter Bootstrap
6 43 (39.81%) AngularJS
7 33 (30.56%) ASP.NET Web API
8 30 (27.78%) Middleware
9 29 (26.85%) CSS3
9 29 (26.85%) HTML5
10 27 (25.00%) KnockoutJS
10 27 (25.00%) LAMP
11 17 (15.74%) XML
12 15 (13.89%) Gherkin
12 15 (13.89%) Web Services
13 12 (11.11%) PhoneGap
13 12 (11.11%) RESTful
13 12 (11.11%) Spring
Miscellaneous
1 28 (25.93%) User Experience
2 27 (25.00%) Computer Science
3 12 (11.11%) Mobile App
4 4 (3.70%) BBC
5 3 (2.78%) Management Information System
6 2 (1.85%) Analytical Skills
6 2 (1.85%) Hybrid Cloud
6 2 (1.85%) Public Cloud
6 2 (1.85%) Social Media
7 1 (0.93%) Blog
7 1 (0.93%) Greenfield Project
7 1 (0.93%) Smart Home
7 1 (0.93%) Smart Meter
Operating Systems
1 81 (75.00%) Linux
2 14 (12.96%) Windows
3 12 (11.11%) CentOS
3 12 (11.11%) Red Hat Enterprise Linux
4 2 (1.85%) Kali Linux
4 2 (1.85%) Mac OS X
5 1 (0.93%) Android
5 1 (0.93%) Apple iOS
Processes & Methodologies
1 54 (50.00%) MVC
2 53 (49.07%) Agile Software Development
3 42 (38.89%) DevOps
3 42 (38.89%) Test Automation
4 37 (34.26%) Mobile Development
5 34 (31.48%) Continuous Integration
5 34 (31.48%) OO
6 30 (27.78%) ITIL
6 30 (27.78%) SOA
7 29 (26.85%) OOD
8 28 (25.93%) Translating Business Requirements
9 27 (25.00%) Continuous Deployment
9 27 (25.00%) Refactoring
9 27 (25.00%) SOLID
10 21 (19.44%) Business Intelligence
11 18 (16.67%) Scrum
12 16 (14.81%) TDD
13 15 (13.89%) BDD
13 15 (13.89%) Software Engineering
13 15 (13.89%) Software Testing
Programming Languages
1 58 (53.70%) JavaScript
2 56 (51.85%) C#
3 48 (44.44%) SQL
4 15 (13.89%) PHP
5 14 (12.96%) Java
6 6 (5.56%) Python
7 2 (1.85%) Go
7 2 (1.85%) Ruby
8 1 (0.93%) Bash Shell
8 1 (0.93%) C
8 1 (0.93%) C++
8 1 (0.93%) Perl
8 1 (0.93%) Shell Script
Qualifications
1 35 (32.41%) Degree
2 28 (25.93%) Computer Science Degree
3 2 (1.85%) Master's Degree
Quality Assurance & Compliance
1 12 (11.11%) QA
System Software
1 12 (11.11%) Active Directory
2 3 (2.78%) Docker
Systems Management
1 19 (17.59%) Puppet
2 2 (1.85%) Ansible
2 2 (1.85%) Opscode Chef
2 2 (1.85%) Terraform
3 1 (0.93%) Cobbler
Vendors
1 33 (30.56%) Microsoft
2 29 (26.85%) Oracle
2 29 (26.85%) Xamarin
3 14 (12.96%) Atlassian
4 12 (11.11%) Red Hat
4 12 (11.11%) Salesforce.com
4 12 (11.11%) Sitecore
5 6 (5.56%) Google
6 4 (3.70%) Facebook
6 4 (3.70%) IBM
6 4 (3.70%) Virgin Media
7 3 (2.78%) Apple
7 3 (2.78%) MuleSoft
7 3 (2.78%) Rackspace
7 3 (2.78%) TIBCO
7 3 (2.78%) WSO2
7 3 (2.78%) Zend
8 2 (1.85%) Twitter
Watford, Hertfordshire
Evolution Recruitment Solutions
Salary: 40,000 - 50,000
Posted: Yesterday
Watford, Hertfordshire
Evolution Recruitment Solutions
Salary: 60,000 - 80,000
Posted: Yesterday
Hertfordshire
Exposed Solutions
Salary: £45000 - £50000 per annum
Posted: 6 days ago
Hertfordshire
Exposed Solutions
Salary: £35000 - £40000 per annum
Posted: 6 days ago
Hertfordshire
Exposed Solutions
Salary: £25000 - £30000 per annum
Posted: 6 days ago
St. Albans, Hertfordshire
Understanding Recruitment
Salary: £50000 - £70000 per annum + benefits
Posted: 5 days ago
Hertfordshire
Apache Associates
Posted: 11 days ago
Watford, Hertfordshire
Salmon Ltd
Posted: 17 days ago
Stevenage, Hertfordshire
Parallel Consulting
Salary: £45000 - £48000 per annum + car allowance, + bens
Posted: 4 days ago
Welwyn Garden City
Recruitment Revolution Limited
Salary: £30,000 - £37,000 Dependant on experience
Posted: 10 days ago