Period
to 7 August 2020

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 7 August 2020 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
7 Aug 2020
Same period 2019 Same period 2018
Rank 10 20 18
Rank change year-on-year +10 -2 +8
Permanent jobs citing Linux 122 277 452
As % of all permanent jobs advertised in Hertfordshire 13.03% 9.85% 10.27%
As % of the Operating Systems category 44.04% 37.28% 42.09%
Number of salaries quoted 119 219 394
Median annual salary £50,000 £55,000 £53,000
Median salary % change year-on-year -9.09% +3.77% +6.00%
10th Percentile £26,250 £27,500 £31,925
90th Percentile £80,000 £72,500 £74,625
East of England median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +14.13%

Linux is in the Operating Systems 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 operating system skills.

All Operating Systems
Hertfordshire
Permanent vacancies with a requirement for operating system skills 277 743 1,074
As % of all permanent IT jobs advertised in Hertfordshire 29.59% 26.41% 24.41%
Number of salaries quoted 248 565 854
Median annual salary £42,500 £40,000 £45,000
Median salary % change year-on-year +6.25% -11.11% +5.88%
10th Percentile £25,350 £24,000 £23,750
90th Percentile £71,250 £67,500 £70,000
East of England median annual salary £45,000 £45,000 £45,000

Linux
Job Vacancy Trend in Hertfordshire

Job postings citing Linux as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Linux in Hertfordshire

Linux
Salary Trend in Hertfordshire

3-month moving average salary quoted in jobs citing Linux in Hertfordshire.

Salary trend for Linux in Hertfordshire

Linux
Salary Histogram in Hertfordshire

Salary distribution for jobs citing Linux in Hertfordshire over the 6 months to 7 August 2020.

Salary histogram for Linux in Hertfordshire

Linux
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Hertfordshire region over the 6 months to 7 August 2020. 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
Watford +4 33 £47,500 -20.83% 1
Welwyn Garden City +17 23 £58,750 +6.82% 1
Stevenage +15 11 £30,750 +18.27% 6
Hemel Hempstead +11 11 £60,000 +33.33% 2
Hatfield +9 8 £33,500 -41.74%
St Albans +12 4 £50,000 +104.08% 1
Royston - 4 £27,500 - 1
Borehamwood -12 3 £45,000 -25.00%
Rickmansworth +5 1 £77,500 -3.13% 1
Harpenden +2 1 £65,000 - 1
Hertford +2 1 £26,000 -13.33% 1
Linux
East of England

For the 6 months to 7 August 2020, IT jobs citing Linux 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 Linux.

1 44 (36.07%) Windows
2 36 (29.51%) DevOps
3 34 (27.87%) Docker
4 33 (27.05%) Azure
5 32 (26.23%) Python
6 28 (22.95%) SQL
6 28 (22.95%) Bash Shell
7 27 (22.13%) Kubernetes
7 27 (22.13%) MySQL
8 25 (20.49%) VMware
9 24 (19.67%) PHP
9 24 (19.67%) Jenkins
9 24 (19.67%) AWS
10 23 (18.85%) JavaScript
11 22 (18.03%) Microsoft
12 21 (17.21%) C++
13 20 (16.39%) Git (software)
13 20 (16.39%) Problem-Solving
14 19 (15.57%) Artificial Intelligence
15 18 (14.75%) VMware Infrastructure
15 18 (14.75%) C
15 18 (14.75%) Ansible
16 17 (13.93%) Active Directory
16 17 (13.93%) Atlassian Bamboo
16 17 (13.93%) Agile Software Development
17 16 (13.11%) Software Engineering
17 16 (13.11%) Java
17 16 (13.11%) Firewall
17 16 (13.11%) Puppet
18 15 (12.30%) Machine Learning

Linux
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 15 (12.30%) Apache
1 15 (12.30%) Elasticsearch
2 7 (5.74%) Apache Spark
2 7 (5.74%) Tomcat
3 4 (3.28%) WordPress
4 3 (2.46%) Confluence
5 2 (1.64%) Alfresco
5 2 (1.64%) nginx
5 2 (1.64%) SharePoint
6 1 (0.82%) Apache Pulsar
6 1 (0.82%) Documentum
6 1 (0.82%) Skype for Business
6 1 (0.82%) WebLogic
6 1 (0.82%) WebSphere
6 1 (0.82%) WebSphere Application Server
Applications
1 7 (5.74%) Microsoft Office
2 1 (0.82%) CATIA
2 1 (0.82%) Siemens NX
Business Applications
1 1 (0.82%) Magento
1 1 (0.82%) Teamcenter
Cloud Services
1 33 (27.05%) Azure
2 24 (19.67%) AWS
3 13 (10.66%) GCP
4 11 (9.02%) Office 365
5 5 (4.10%) GitHub
6 4 (3.28%) Serverless
7 3 (2.46%) SaaS
8 2 (1.64%) Akamai
8 2 (1.64%) AWS CloudFormation
8 2 (1.64%) OneDrive
9 1 (0.82%) Amazon EC2
9 1 (0.82%) AWS CodePipeline
9 1 (0.82%) AWS Lambda
9 1 (0.82%) Cloud Computing
9 1 (0.82%) Cloudflare
9 1 (0.82%) Stackdriver
Communications & Networking
1 16 (13.11%) Firewall
2 8 (6.56%) WAN
3 7 (5.74%) Skype
4 6 (4.92%) DNS
5 4 (3.28%) LAN
5 4 (3.28%) Wireless
6 3 (2.46%) HTTP
6 3 (2.46%) RS-232
6 3 (2.46%) RS-485
6 3 (2.46%) TCP/IP
6 3 (2.46%) VSAN
7 2 (1.64%) DHCP
7 2 (1.64%) Internet
7 2 (1.64%) MPLS
7 2 (1.64%) SSL
7 2 (1.64%) VoIP
8 1 (0.82%) BGP
8 1 (0.82%) EIGRP
8 1 (0.82%) IGRP
8 1 (0.82%) OSPF
Database & Business Intelligence
1 27 (22.13%) MySQL
2 15 (12.30%) SQL Server
3 9 (7.38%) MariaDB
4 8 (6.56%) Big Data
4 8 (6.56%) NoSQL
5 7 (5.74%) MongoDB
5 7 (5.74%) Redis
6 6 (4.92%) Apache Cassandra
6 6 (4.92%) Apache Ignite
6 6 (4.92%) CouchDB
6 6 (4.92%) Flink
7 3 (2.46%) Relational Database
8 2 (1.64%) Amazon RDS
8 2 (1.64%) BigQuery
9 1 (0.82%) Amazon Athena
9 1 (0.82%) Amazon DynamoDB
9 1 (0.82%) Amazon Redshift
9 1 (0.82%) Data Warehouse
9 1 (0.82%) DB2
9 1 (0.82%) Enterprise Data Warehouse
Development Applications
1 24 (19.67%) Jenkins
2 20 (16.39%) Git (software)
3 17 (13.93%) Atlassian Bamboo
4 15 (12.30%) GitLab
4 15 (12.30%) TeamCity
4 15 (12.30%) Travis CI
5 12 (9.84%) JIRA
6 6 (4.92%) CircleCI
7 3 (2.46%) Bitbucket
7 3 (2.46%) SonarQube
7 3 (2.46%) Sonatype Nexus
8 2 (1.64%) Log4j
9 1 (0.82%) Subversion
9 1 (0.82%) Team Foundation Server
General
1 9 (7.38%) Retail
2 4 (3.28%) Telecoms
3 3 (2.46%) Finance
3 3 (2.46%) Law
4 2 (1.64%) Electronics
5 1 (0.82%) Banking
5 1 (0.82%) Games
Job Titles
1 24 (19.67%) Developer
2 20 (16.39%) DevOps Engineer
3 15 (12.30%) Cloud Engineer
4 14 (11.48%) Software Engineer
5 10 (8.20%) Azure Engineer
6 9 (7.38%) IT Support
6 9 (7.38%) Linux Engineer
6 9 (7.38%) Support Engineer
6 9 (7.38%) VMware Engineer
7 8 (6.56%) Web Developer
8 7 (5.74%) 2nd Line Support
8 7 (5.74%) C++ Software Engineer
9 6 (4.92%) 2nd Line Support Technician
9 6 (4.92%) Architect
9 6 (4.92%) Embedded Software Engineer
9 6 (4.92%) IT Support Technician
9 6 (4.92%) IT Technician
9 6 (4.92%) Junior
9 6 (4.92%) PHP Developer
9 6 (4.92%) Support Technician
Libraries, Frameworks & Software Standards
1 15 (12.30%) CSS
2 12 (9.84%) HTML
3 11 (9.02%) AngularJS
3 11 (9.02%) Elastic Stack
4 10 (8.20%) jQuery
4 10 (8.20%) Vue.js
5 9 (7.38%) .NET
5 9 (7.38%) Jinja
5 9 (7.38%) Laravel
6 8 (6.56%) Node.js
6 8 (6.56%) Web Services
7 7 (5.74%) React
7 7 (5.74%) Sass
8 6 (4.92%) REST
8 6 (4.92%) SOAP
8 6 (4.92%) Symfony
8 6 (4.92%) Zend Framework
9 5 (4.10%) HTML5
10 4 (3.28%) Django
10 4 (3.28%) LAMP
Miscellaneous
1 14 (11.48%) Self-Motivation
2 6 (4.92%) Algorithms
2 6 (4.92%) Analytical Skills
2 6 (4.92%) Data Centre
3 4 (3.28%) Embedded Systems
4 3 (2.46%) Field-Programmable Gate Array
4 3 (2.46%) Mobile App
5 2 (1.64%) Client/Server
5 2 (1.64%) Greenfield Project
5 2 (1.64%) Public Cloud
6 1 (0.82%) 3D Graphics
6 1 (0.82%) AS400
6 1 (0.82%) Handset
6 1 (0.82%) Hybrid Cloud
6 1 (0.82%) iSeries
6 1 (0.82%) Linux Command Line
6 1 (0.82%) Private Cloud
6 1 (0.82%) Smart Energy
6 1 (0.82%) Video Conferencing
6 1 (0.82%) Virtual Team
Operating Systems
1 44 (36.07%) Windows
2 15 (12.30%) Red Hat Enterprise Linux
3 12 (9.84%) CentOS
4 11 (9.02%) Debian
5 8 (6.56%) Unix
5 8 (6.56%) Windows Server
6 2 (1.64%) Ubuntu
6 2 (1.64%) Windows 10
7 1 (0.82%) AIX
7 1 (0.82%) Android
7 1 (0.82%) Apple iOS
7 1 (0.82%) OpenVMS
7 1 (0.82%) Solaris
7 1 (0.82%) Windows 7
7 1 (0.82%) Windows Server 2012
Processes & Methodologies
1 36 (29.51%) DevOps
2 20 (16.39%) Problem-Solving
3 19 (15.57%) Artificial Intelligence
4 17 (13.93%) Agile Software Development
5 16 (13.11%) Software Engineering
6 15 (12.30%) Machine Learning
7 14 (11.48%) Computer Science
7 14 (11.48%) Multithreading
8 13 (10.66%) Continuous Delivery
8 13 (10.66%) Scrum
9 12 (9.84%) OO
10 11 (9.02%) Microservices
11 9 (7.38%) Continuous Integration
11 9 (7.38%) Migration
11 9 (7.38%) MVC
12 8 (6.56%) Data Migration
12 8 (6.56%) Web Development
13 7 (5.74%) Neural Network
13 7 (5.74%) Open Source
13 7 (5.74%) Stakeholder Management
Programming Languages
1 32 (26.23%) Python
2 28 (22.95%) Bash Shell
2 28 (22.95%) SQL
3 24 (19.67%) PHP
4 23 (18.85%) JavaScript
5 21 (17.21%) C++
6 18 (14.75%) C
7 16 (13.11%) Java
8 14 (11.48%) C#
8 14 (11.48%) PowerShell
9 9 (7.38%) Perl
9 9 (7.38%) VBScript
10 7 (5.74%) Clojure
10 7 (5.74%) F#
10 7 (5.74%) Haskell
10 7 (5.74%) Rust
10 7 (5.74%) Scala
11 4 (3.28%) Elixir
11 4 (3.28%) Embedded C
11 4 (3.28%) Erlang
Qualifications
1 14 (11.48%) Degree
2 9 (7.38%) Security Cleared
3 6 (4.92%) SC Cleared
4 3 (2.46%) Computer Science Degree
4 3 (2.46%) ISEB
5 2 (1.64%) CCNP
5 2 (1.64%) Cisco Certification
5 2 (1.64%) MCSA
5 2 (1.64%) Microsoft Certification
6 1 (0.82%) CCNA
6 1 (0.82%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 9 (7.38%) ISO/IEC 27001
2 5 (4.10%) QA
3 3 (2.46%) PCI DSS
3 3 (2.46%) SLA
4 1 (0.82%) SEPA
System Software
1 34 (27.87%) Docker
2 18 (14.75%) VMware Infrastructure
3 17 (13.93%) Active Directory
4 11 (9.02%) Hyper-V
5 9 (7.38%) VirtualBox
5 9 (7.38%) vSphere
6 6 (4.92%) vCloud
7 1 (0.82%) Microsoft Virtual Server
7 1 (0.82%) Virtual Servers
7 1 (0.82%) VMware NSX
7 1 (0.82%) zsh
Systems Management
1 27 (22.13%) Kubernetes
2 18 (14.75%) Ansible
3 16 (13.11%) Puppet
4 15 (12.30%) Opscode Chef
5 9 (7.38%) Kibana
5 9 (7.38%) logstash
6 4 (3.28%) vRealize
7 3 (2.46%) Terraform
8 2 (1.64%) Grafana
8 2 (1.64%) Nagios
8 2 (1.64%) WSUS
8 2 (1.64%) ZABBIX
9 1 (0.82%) Control-M
9 1 (0.82%) vCenter Server
Vendors
1 25 (20.49%) VMware
2 22 (18.03%) Microsoft
3 11 (9.02%) Google
4 9 (7.38%) Cisco
5 8 (6.56%) Zend
6 7 (5.74%) Juniper
7 5 (4.10%) Citrix
7 5 (4.10%) Oracle
8 4 (3.28%) Red Hat
9 3 (2.46%) HP
9 3 (2.46%) hybris
9 3 (2.46%) ServiceNow
9 3 (2.46%) Tableau
10 2 (1.64%) Aruba
10 2 (1.64%) Fortinet
10 2 (1.64%) SevOne
10 2 (1.64%) Splunk
10 2 (1.64%) Sun
11 1 (0.82%) CheckPoint
11 1 (0.82%) IBM