Period
to 17 January 2019

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 6 months to 17 January 2019 with a comparison to the same period in the previous 2 years.

Open Source
East of England > Hertfordshire
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 125 99 128
Rank change year-on-year -26 +29 -32
Permanent jobs citing Open Source 62 129 90
As % of all permanent IT jobs advertised in Hertfordshire 1.74% 2.90% 2.03%
As % of the Processes & Methodologies category 1.96% 3.25% 2.25%
Number of salaries quoted 31 118 89
Hertfordshire median annual salary £55,000 £57,500 £65,000
Median salary % change year-on-year -4.35% -11.54% +8.33%
10th Percentile £29,000 £38,500 £41,250
90th Percentile £72,500 £70,750 £80,000
East of England median annual salary £50,340 £52,500 £55,000
% change year-on-year -4.12% -4.55% +10.00%

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 Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Permanent vacancies with a requirement for process or methodology skills 3,171 3,969 4,001
As % of all permanent IT jobs advertised in Hertfordshire 89.10% 89.29% 90.44%
Number of salaries quoted 2,454 3,362 3,301
Hertfordshire median annual salary £50,000 £50,000 £50,000
10th Percentile £26,250 £27,000 £27,000
90th Percentile £75,000 £71,250 £72,500
East of England median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% -

Open Source
Job Vacancy Trend in Hertfordshire

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

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 6 months to 17 January 2019.

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 6 months to 17 January 2019. 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
Hatfield -6 20 £67,500 +12.50% 1
Welwyn Garden City +7 16 £55,000 -4.35%
Watford -17 9 £70,000 +16.67% 2
Kings Langley - 5 £37,500 - 2
St Albans -2 2 £47,500 +21.79%
Stevenage +8 1 £40,000 -13.98%
Hemel Hempstead +8 1 £26,000 -48.00%
Open Source
East of England

For the 6 months to 17 January 2019, IT jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for Open Source.

1 52 (83.87%) Agile Software Development
2 36 (58.06%) Amazon AWS
3 35 (56.45%) Linux
4 28 (45.16%) DevOps
5 25 (40.32%) Python
5 25 (40.32%) C#
6 24 (38.71%) .NET
7 22 (35.48%) Web Services
8 18 (29.03%) MVC
9 17 (27.42%) Java
9 17 (27.42%) Microsoft Azure
9 17 (27.42%) Problem-Solving
10 16 (25.81%) ASP.NET
11 15 (24.19%) ASP.NET MVC
11 15 (24.19%) Google Cloud Platform
12 13 (20.97%) Mobile Development
12 13 (20.97%) Office 365
12 13 (20.97%) Continuous Improvement
12 13 (20.97%) SharePoint
12 13 (20.97%) IT Strategy
13 11 (17.74%) Retail
13 11 (17.74%) Ruby
13 11 (17.74%) Test Automation
13 11 (17.74%) Kubernetes
14 10 (16.13%) Application Performance Monitoring
14 10 (16.13%) Kali Linux
14 10 (16.13%) Go
14 10 (16.13%) Performance Monitoring
14 10 (16.13%) Vulnerability Management
14 10 (16.13%) SIEM

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 13 (20.97%) SharePoint
2 7 (11.29%) Apache
3 6 (9.68%) IIS
4 4 (6.45%) Tomcat
5 3 (4.84%) Jetty
5 3 (4.84%) OpenStack
6 2 (3.23%) Elasticsearch
7 1 (1.61%) NServiceBus
Business Applications
1 2 (3.23%) Magento
Cloud Services
1 36 (58.06%) Amazon AWS
2 17 (27.42%) Microsoft Azure
3 15 (24.19%) Google Cloud Platform
4 13 (20.97%) Office 365
5 5 (8.06%) Cloud Computing
5 5 (8.06%) GitHub
6 2 (3.23%) Amazon EC2
6 2 (3.23%) IaaS
6 2 (3.23%) PaaS
7 1 (1.61%) Amazon S3
7 1 (1.61%) AWS CloudFormation
7 1 (1.61%) AWS Lambda
7 1 (1.61%) Azure Active Directory
7 1 (1.61%) Serverless
Communications & Networking
1 8 (12.90%) TCP/IP
2 7 (11.29%) HTTP
2 7 (11.29%) Wireless
3 6 (9.68%) Firewall
3 6 (9.68%) SNMP
4 5 (8.06%) DHCP
4 5 (8.06%) DNS
4 5 (8.06%) ICMP
4 5 (8.06%) Internet
4 5 (8.06%) VPN
5 2 (3.23%) LAN
5 2 (3.23%) WAN
6 1 (1.61%) Network Security
6 1 (1.61%) SMTP
Database & Business Intelligence
1 7 (11.29%) Apache Cassandra
2 6 (9.68%) NoSQL
3 4 (6.45%) MongoDB
3 4 (6.45%) PostgreSQL
4 3 (4.84%) MySQL
5 2 (3.23%) Oracle Database
5 2 (3.23%) Relational Database
5 2 (3.23%) SQL Server
6 1 (1.61%) Amazon DynamoDB
6 1 (1.61%) BigQuery
6 1 (1.61%) Couchbase
6 1 (1.61%) Redis
Development Applications
1 5 (8.06%) Metasploit
2 4 (6.45%) Selenium
2 4 (6.45%) Visual Studio Team System
3 3 (4.84%) Cucumber
3 3 (4.84%) Git (software)
3 3 (4.84%) Gradle
3 3 (4.84%) JBehave
3 3 (4.84%) Maven
3 3 (4.84%) WebDriver
4 2 (3.23%) GitLab
4 2 (3.23%) IntelliJ
5 1 (1.61%) Jenkins
5 1 (1.61%) Team Foundation Server
5 1 (1.61%) Visual Studio
General
1 11 (17.74%) Retail
2 9 (14.52%) Finance
3 3 (4.84%) Games
4 2 (3.23%) Publishing
Job Titles
1 28 (45.16%) Developer
2 15 (24.19%) Senior Developer
3 6 (9.68%) Analyst
4 5 (8.06%) Head of Development
4 5 (8.06%) Head of Software Development
4 5 (8.06%) Security Engineer
4 5 (8.06%) SOC Analyst
4 5 (8.06%) Software Engineer
4 5 (8.06%) Vulnerability Management Engineer
5 4 (6.45%) .NET Developer
6 3 (4.84%) C# Developer
6 3 (4.84%) Junior
6 3 (4.84%) Software Developer
7 2 (3.23%) Architect
7 2 (3.23%) C# Software Developer
7 2 (3.23%) Infrastructure Engineer
7 2 (3.23%) Java Developer
7 2 (3.23%) Junior Software Engineer
7 2 (3.23%) Python Developer
7 2 (3.23%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 24 (38.71%) .NET
2 22 (35.48%) Web Services
3 16 (25.81%) ASP.NET
4 15 (24.19%) ASP.NET MVC
5 7 (11.29%) React
6 6 (9.68%) Elastic Stack
7 5 (8.06%) Akka
7 5 (8.06%) CSS
7 5 (8.06%) HTML
7 5 (8.06%) Kafka
8 4 (6.45%) AngularJS
9 3 (4.84%) Gherkin
9 3 (4.84%) Java EE
10 2 (3.23%) ASP.NET Web API
10 2 (3.23%) LAMP
10 2 (3.23%) REST
10 2 (3.23%) XHTML
10 2 (3.23%) XSL
11 1 (1.61%) ASP.NET Web Forms
11 1 (1.61%) Sensu
Miscellaneous
1 10 (16.13%) Data Centre
1 10 (16.13%) Security Operations Centre
2 9 (14.52%) Public Cloud
3 7 (11.29%) Mainframe
4 5 (8.06%) Cyber Kill Chain
4 5 (8.06%) Enterprise Software
4 5 (8.06%) Linux Command Line
4 5 (8.06%) Management Information System
5 3 (4.84%) Cloud Native
6 2 (3.23%) Analytical Skills
6 2 (3.23%) N-Tier
6 2 (3.23%) Robotics
7 1 (1.61%) Algorithms
7 1 (1.61%) Fintech
7 1 (1.61%) Greenfield Project
7 1 (1.61%) Hybrid Cloud
7 1 (1.61%) Self-Motivation
Operating Systems
1 35 (56.45%) Linux
2 10 (16.13%) Kali Linux
3 8 (12.90%) Unix
4 5 (8.06%) Mac OS X
5 4 (6.45%) Windows
6 2 (3.23%) AIX
6 2 (3.23%) Windows Server
7 1 (1.61%) Android
7 1 (1.61%) Apple iOS
Processes & Methodologies
1 52 (83.87%) Agile Software Development
2 28 (45.16%) DevOps
3 18 (29.03%) MVC
4 17 (27.42%) Problem-Solving
5 13 (20.97%) Continuous Improvement
5 13 (20.97%) IT Strategy
5 13 (20.97%) Mobile Development
6 11 (17.74%) Test Automation
7 10 (16.13%) Application Performance Monitoring
7 10 (16.13%) Identity Access Management
7 10 (16.13%) Performance Monitoring
7 10 (16.13%) Scrum
7 10 (16.13%) Security Architecture
7 10 (16.13%) Security Operations
7 10 (16.13%) SIEM
7 10 (16.13%) Vulnerability Management
8 8 (12.90%) Computer Science
8 8 (12.90%) Microservices
8 8 (12.90%) Software Engineering
9 7 (11.29%) E-Commerce
Programming Languages
1 25 (40.32%) C#
1 25 (40.32%) Python
2 17 (27.42%) Java
3 11 (17.74%) Ruby
4 10 (16.13%) Go
5 8 (12.90%) Bash Shell
5 8 (12.90%) PHP
6 7 (11.29%) JavaScript
7 6 (9.68%) PowerShell
7 6 (9.68%) TypeScript
8 5 (8.06%) Java 8
8 5 (8.06%) Perl
8 5 (8.06%) SQL
9 3 (4.84%) Shell Script
10 2 (3.23%) C
11 1 (1.61%) PL/SQL
Qualifications
1 10 (16.13%) CEH
1 10 (16.13%) CompTIA Security+
1 10 (16.13%) SSCP
2 8 (12.90%) Degree
3 5 (8.06%) A+ Certification
3 5 (8.06%) CCENT
3 5 (8.06%) CCNA
3 5 (8.06%) CISA
3 5 (8.06%) Cisco Certification
3 5 (8.06%) CISM
3 5 (8.06%) CISSP
3 5 (8.06%) CSSLP
3 5 (8.06%) GCIA
3 5 (8.06%) GCIH
3 5 (8.06%) GIAC
3 5 (8.06%) GSEC
3 5 (8.06%) Network+ Certification
3 5 (8.06%) OSCP
3 5 (8.06%) SANS
4 2 (3.23%) Computer Science Degree
Quality Assurance & Compliance
1 4 (6.45%) QA
System Software
1 6 (9.68%) Active Directory
1 6 (9.68%) Docker
2 2 (3.23%) Ceph
2 2 (3.23%) VMware Infrastructure
Systems Management
1 11 (17.74%) Kubernetes
2 9 (14.52%) Grafana
3 8 (12.90%) Prometheus
4 5 (8.06%) Nessus
4 5 (8.06%) Nmap
4 5 (8.06%) QRadar
5 1 (1.61%) Ansible
5 1 (1.61%) Icinga
5 1 (1.61%) Kibana
5 1 (1.61%) logstash
5 1 (1.61%) Nagios
5 1 (1.61%) Opscode Chef
5 1 (1.61%) Puppet
5 1 (1.61%) Terraform
5 1 (1.61%) ZABBIX
Vendors
1 7 (11.29%) Google
1 7 (11.29%) Microsoft
2 5 (8.06%) Netsparker
2 5 (8.06%) New Relic
2 5 (8.06%) Qualys
2 5 (8.06%) Splunk
3 4 (6.45%) Oracle
4 2 (3.23%) Aruba
4 2 (3.23%) Cisco
4 2 (3.23%) Citrix
4 2 (3.23%) F5
4 2 (3.23%) Juniper
4 2 (3.23%) NetApp
4 2 (3.23%) PagerDuty
4 2 (3.23%) VMware
4 2 (3.23%) Zend