Period
to 20 April 2021

The table below provides summary statistics for permanent job vacancies with an option to work from home (WFH) and 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 20 April 2021 with a comparison to the same period in the previous 2 years.

Linux
UK > Work from Home
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 19 26 22
Rank change year-on-year +7 -4 +8
Permanent jobs citing Linux 1,652 611 834
As % of all permanent jobs with a WFH option 10.22% 8.73% 10.48%
As % of the Operating Systems category 49.86% 44.12% 57.92%
Number of salaries quoted 1,486 540 738
10th Percentile £34,750 £36,700 £37,200
25th Percentile £38,750 £43,750 £45,000
Median annual salary (50th Percentile) £55,000 £55,000 £62,500
Median % change year-on-year - -12.00% +25.00%
75th Percentile £72,500 £72,500 £72,500
90th Percentile £85,625 £80,000 £87,500
UK median annual salary £55,000 £54,250 £52,500
% change year-on-year +1.38% +3.33% +3.96%

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 with a WFH option and a requirement for operating system skills.

All Operating Systems
Work from Home
Permanent vacancies with a requirement for operating system skills 3,313 1,385 1,440
As % of all permanent jobs with a WFH option 20.51% 19.78% 18.09%
Number of salaries quoted 2,983 1,209 1,263
10th Percentile £32,500 £34,750 £32,000
25th Percentile £38,750 £42,500 £41,625
Median annual salary (50th Percentile) £52,500 £57,500 £60,000
Median % change year-on-year -8.70% -4.17% +20.00%
75th Percentile £68,750 £72,500 £72,500
90th Percentile £82,500 £78,750 £85,000
UK median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

Linux
Trend for Jobs with a WFH Option

Job vacancies with a work from home option citing Linux as a proportion of all IT jobs advertised.

Linux trend for jobs with a WFH option

Linux
Salary Trend for Jobs with a WFH Option

3-month moving average salary quoted in job vacancies with a work from home option citing Linux.

Linux salary trend for jobs with a WFH option

Linux
Salary Histogram for Jobs with a WFH Option

Salary distribution for jobs with a work from home option citing Linux over the 6 months to 20 April 2021.

Linux salary histogram for jobs with a WFH option

For the 6 months to 20 April 2021, Linux job roles required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent jobs with a WFH option and a requirement for Linux.

1 772 (46.73%) AWS
2 718 (43.46%) DevOps
3 562 (34.02%) Agile Software Development
4 539 (32.63%) Docker
5 513 (31.05%) Git (software)
6 448 (27.12%) Kubernetes
7 425 (25.73%) Python
7 425 (25.73%) Azure
8 420 (25.42%) Windows
9 418 (25.30%) Terraform
10 323 (19.55%) Java
11 321 (19.43%) JavaScript
12 318 (19.25%) SQL
13 295 (17.86%) Puppet
14 282 (17.07%) Scrum
15 272 (16.46%) Software Engineering
16 258 (15.62%) Continuous Integration
17 256 (15.50%) Ansible
18 246 (14.89%) MySQL
19 241 (14.59%) Jenkins
20 236 (14.29%) Opscode Chef
21 214 (12.95%) Microsoft
22 212 (12.83%) PHP
23 204 (12.35%) Bash Shell
24 192 (11.62%) VMware
25 191 (11.56%) Microservices
26 190 (11.50%) Unix
27 183 (11.08%) Problem-Solving
28 179 (10.84%) HTML
29 178 (10.77%) AWS CloudFormation

Linux
Co-occurring IT Skills with a WFH Option 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 94 (5.69%) Apache
2 49 (2.97%) Elasticsearch
3 48 (2.91%) nginx
4 44 (2.66%) Tomcat
5 36 (2.18%) Confluence
6 31 (1.88%) IIS
7 20 (1.21%) CMS
8 19 (1.15%) WordPress
9 18 (1.09%) JBoss
10 17 (1.03%) Apache Spark
11 14 (0.85%) Apache Airflow
11 14 (0.85%) Apache Solr
11 14 (0.85%) Mule
11 14 (0.85%) Mule ESB
11 14 (0.85%) Red Hat Fuse
12 10 (0.61%) OpenStack
13 9 (0.54%) SharePoint
14 8 (0.48%) MS Exchange
14 8 (0.48%) WebSphere
15 7 (0.42%) CloudStack
Applications
1 31 (1.88%) Microsoft Office
2 8 (0.48%) Microsoft Excel
3 5 (0.30%) Microsoft PowerPoint
4 4 (0.24%) MS Visio
5 3 (0.18%) Adobe XD
5 3 (0.18%) Photoshop
6 2 (0.12%) Microsoft Project
7 1 (0.061%) Quicktime
Business Applications
1 14 (0.85%) Sentinel
2 11 (0.67%) Magento
3 8 (0.48%) Workfront
4 6 (0.36%) R3 Corda
5 3 (0.18%) Oracle Applications
5 3 (0.18%) Oracle EBS
6 1 (0.061%) Oracle 11i
6 1 (0.061%) Oracle EBS R12
6 1 (0.061%) Payment Gateway
6 1 (0.061%) Remedy ITSM
Cloud Services
1 772 (46.73%) AWS
2 425 (25.73%) Azure
3 178 (10.77%) AWS CloudFormation
4 146 (8.84%) GCP
5 99 (5.99%) GitHub
6 96 (5.81%) Amazon EC2
7 71 (4.30%) SaaS
8 59 (3.57%) Serverless
9 55 (3.33%) Amazon S3
10 52 (3.15%) PaaS
11 42 (2.54%) AWS Lambda
12 41 (2.48%) IaaS
13 40 (2.42%) Amazon ECS
14 38 (2.30%) Amazon EKS
15 37 (2.24%) Microsoft 365
16 36 (2.18%) Amazon CloudWatch
17 32 (1.94%) Virtual Private Cloud
18 29 (1.76%) Cloud Computing
19 28 (1.69%) CloudFront
20 25 (1.51%) Route 53
Communications & Networking
1 125 (7.57%) Firewall
2 87 (5.27%) TCP/IP
3 64 (3.87%) LAN
4 62 (3.75%) DNS
5 60 (3.63%) WAN
6 53 (3.21%) VPN
7 42 (2.54%) Internet
8 38 (2.30%) HTTP
8 38 (2.30%) SAN
9 35 (2.12%) Network Security
10 33 (2.00%) DHCP
11 28 (1.69%) Wireless
12 26 (1.57%) Intrusion Detection
13 25 (1.51%) SSH
14 24 (1.45%) Wi-Fi
15 23 (1.39%) SSL
16 19 (1.15%) VLAN
17 17 (1.03%) Bluetooth
18 16 (0.97%) ZigBee
19 15 (0.91%) OpenVPN
Database & Business Intelligence
1 246 (14.89%) MySQL
2 167 (10.11%) SQL Server
3 123 (7.45%) NoSQL
4 115 (6.96%) MongoDB
5 96 (5.81%) PostgreSQL
6 80 (4.84%) Relational Database
7 60 (3.63%) Amazon RDS
8 41 (2.48%) Redis
9 40 (2.42%) RDBMS
10 35 (2.12%) Amazon DynamoDB
11 33 (2.00%) Oracle Database
12 32 (1.94%) Blockchain
13 31 (1.88%) Big Data
14 24 (1.45%) MariaDB
15 20 (1.21%) Data Warehouse
16 15 (0.91%) Hadoop
17 13 (0.79%) Data Mining
18 12 (0.73%) Apache Cassandra
18 12 (0.73%) BigQuery
19 11 (0.67%) Amazon Redshift
Development Applications
1 513 (31.05%) Git (software)
2 241 (14.59%) Jenkins
3 127 (7.69%) GitLab
4 114 (6.90%) JIRA
5 101 (6.11%) Maven
6 71 (4.30%) TeamCity
7 68 (4.12%) JUnit
8 46 (2.78%) Bitbucket
9 44 (2.66%) Octopus Deploy
10 32 (1.94%) Artifactory
11 25 (1.51%) Subversion
12 20 (1.21%) Gradle
13 18 (1.09%) IntelliJ
14 15 (0.91%) Atlassian Bamboo
15 11 (0.67%) Visual Studio
15 11 (0.67%) webpack
16 10 (0.61%) Gerrit
16 10 (0.61%) gulp
16 10 (0.61%) Travis CI
17 9 (0.54%) Mercurial
General
1 151 (9.14%) Finance
2 75 (4.54%) Marketing
3 74 (4.48%) Electronics
4 72 (4.36%) Retail
5 70 (4.24%) Games
6 63 (3.81%) Public Sector
7 48 (2.91%) Telecoms
8 39 (2.36%) Banking
9 23 (1.39%) Law
10 20 (1.21%) Manufacturing
11 16 (0.97%) Automotive
11 16 (0.97%) Front Office
12 10 (0.61%) Advertising
12 10 (0.61%) Back Office
12 10 (0.61%) German Language
13 7 (0.42%) International Banking
13 7 (0.42%) Legal
14 6 (0.36%) Pharmaceutical
15 5 (0.30%) Billing
15 5 (0.30%) Publishing
Job Titles
1 483 (29.24%) DevOps Engineer
2 432 (26.15%) Developer
3 208 (12.59%) AWS Engineer
4 182 (11.02%) AWS DevOps
5 178 (10.77%) AWS DevOps Engineer
6 121 (7.32%) PHP Developer
7 118 (7.14%) Linux Engineer
8 111 (6.72%) Software Engineer
9 103 (6.23%) Java Developer
10 98 (5.93%) Senior DevOps
11 94 (5.69%) Senior Developer
11 94 (5.69%) Senior DevOps Engineer
12 83 (5.02%) Software Developer
13 66 (4.00%) Cloud Engineer
14 58 (3.51%) Site Reliability Engineer
15 57 (3.45%) Infrastructure Engineer
16 53 (3.21%) Architect
17 50 (3.03%) Administrator
18 49 (2.97%) Full Stack Developer
19 48 (2.91%) Consultant
Libraries, Frameworks & Software Standards
1 179 (10.84%) HTML
2 173 (10.47%) Node.js
3 146 (8.84%) CSS
4 138 (8.35%) React
5 133 (8.05%) REST
6 116 (7.02%) Spring
7 110 (6.66%) Web Services
8 107 (6.48%) AngularJS
9 100 (6.05%) RESTful
10 90 (5.45%) Kafka
11 89 (5.39%) Spring Boot
12 78 (4.72%) jQuery
13 68 (4.12%) Symfony
14 62 (3.75%) LAMP
15 54 (3.27%) .NET
15 54 (3.27%) Laravel
16 53 (3.21%) JSON
17 47 (2.85%) HTML5
18 41 (2.48%) SOAP
19 37 (2.24%) Ruby on Rails
Miscellaneous
1 92 (5.57%) Hybrid Cloud
2 71 (4.30%) Self-Motivation
3 70 (4.24%) Analytical Skills
4 69 (4.18%) Greenfield Project
5 62 (3.75%) Data Centre
6 61 (3.69%) Linux Command Line
7 55 (3.33%) Public Cloud
8 37 (2.24%) iPad
9 35 (2.12%) Virtual Team
10 32 (1.94%) User Experience
11 29 (1.76%) PKI
12 24 (1.45%) Management Information System
13 23 (1.39%) NHS
13 23 (1.39%) Organisational Skills
14 22 (1.33%) Embedded Systems
15 20 (1.21%) Cloud Native
16 19 (1.15%) Private Cloud
17 18 (1.09%) Distributed Denial-of-Service
17 18 (1.09%) Internet of Things
17 18 (1.09%) Replication
Operating Systems
1 420 (25.42%) Windows
2 190 (11.50%) Unix
3 129 (7.81%) Windows Server
4 104 (6.30%) Red Hat Enterprise Linux
5 97 (5.87%) CentOS
6 70 (4.24%) Ubuntu
7 47 (2.85%) Embedded Linux
8 46 (2.78%) Android
9 29 (1.76%) Debian
10 25 (1.51%) Mac OS
11 16 (0.97%) SUSE
12 14 (0.85%) AIX
13 10 (0.61%) Apple iOS
13 10 (0.61%) Solaris
13 10 (0.61%) Windows Server 2016
14 9 (0.54%) Robot Operating System
14 9 (0.54%) Windows 10
15 8 (0.48%) Windows Server 2019
16 7 (0.42%) Fedora
16 7 (0.42%) Windows Server 2012
Processes & Methodologies
1 718 (43.46%) DevOps
2 562 (34.02%) Agile Software Development
3 282 (17.07%) Scrum
4 272 (16.46%) Software Engineering
5 258 (15.62%) Continuous Integration
6 191 (11.56%) Microservices
7 183 (11.08%) Problem-Solving
8 174 (10.53%) Migration
9 153 (9.26%) Infrastructure as Code
10 151 (9.14%) Deployment Automation
11 135 (8.17%) OOP
12 133 (8.05%) Configuration Management
13 126 (7.63%) TDD
14 118 (7.14%) Computer Science
15 113 (6.84%) E-Commerce
16 101 (6.11%) OO
17 100 (6.05%) Continuous Delivery
18 98 (5.93%) MVC
19 85 (5.15%) Mentoring
20 83 (5.02%) Decision-Making
Programming Languages
1 425 (25.73%) Python
2 323 (19.55%) Java
3 321 (19.43%) JavaScript
4 318 (19.25%) SQL
5 212 (12.83%) PHP
6 204 (12.35%) Bash Shell
7 141 (8.54%) C++
8 128 (7.75%) Go
9 118 (7.14%) C#
10 110 (6.66%) PowerShell
11 104 (6.30%) C
12 81 (4.90%) Shell Script
13 77 (4.66%) Ruby
14 47 (2.85%) TypeScript
15 39 (2.36%) Kotlin
16 38 (2.30%) Perl
17 27 (1.63%) Embedded C++
17 27 (1.63%) Groovy
18 25 (1.51%) Scala
19 23 (1.39%) PHP 7
Qualifications
1 167 (10.11%) Degree
2 119 (7.20%) Security Cleared
3 114 (6.90%) SC Cleared
4 72 (4.36%) Computer Science Degree
5 29 (1.76%) AWS Certification
6 25 (1.51%) CISSP
7 24 (1.45%) Microsoft Certification
8 20 (1.21%) Cisco Certification
9 15 (0.91%) MCSE
10 14 (0.85%) CEH
10 14 (0.85%) CISM
11 11 (0.67%) CCNA
12 10 (0.61%) CCNP
12 10 (0.61%) MCSA
13 8 (0.48%) BPSS Clearance
13 8 (0.48%) OSCE
14 7 (0.42%) CEPT
14 7 (0.42%) EC-Council LPT
14 7 (0.42%) GXPN
14 7 (0.42%) SANS
Quality Assurance & Compliance
1 46 (2.78%) QA
2 21 (1.27%) ISO/IEC 27001
3 15 (0.91%) SLA
4 13 (0.79%) GDPR
4 13 (0.79%) PCI DSS
5 10 (0.61%) Cyber Essentials
5 10 (0.61%) NIST
6 8 (0.48%) Cyber Essentials PLUS
7 6 (0.36%) OpenSCAP
8 3 (0.18%) WCAG
9 2 (0.12%) COBIT
9 2 (0.12%) IEC 61131
9 2 (0.12%) NIST 800
9 2 (0.12%) SOC 2
10 1 (0.061%) HMG Security Policy Framework
10 1 (0.061%) ISO/IEC 27005
10 1 (0.061%) MISRA
10 1 (0.061%) MISRA C
10 1 (0.061%) NCSC
10 1 (0.061%) SOC 1
System Software
1 539 (32.63%) Docker
2 152 (9.20%) VMware Infrastructure
3 79 (4.78%) Active Directory
4 49 (2.97%) Hyper-V
5 34 (2.06%) Firmware
6 25 (1.51%) Virtual Machines
7 17 (1.03%) vSphere
8 13 (0.79%) VMware ESXi
9 11 (0.67%) iptables
10 10 (0.61%) Xen
11 9 (0.54%) KVM
11 9 (0.54%) Oracle RAC
12 8 (0.48%) Shibboleth
13 7 (0.42%) Microsoft Virtual Server
13 7 (0.42%) Virtual Servers
14 6 (0.36%) StorNext
14 6 (0.36%) Xsan
15 5 (0.30%) Gluster
15 5 (0.30%) Postfix
15 5 (0.30%) Virtual Desktop
Systems Management
1 448 (27.12%) Kubernetes
2 418 (25.30%) Terraform
3 295 (17.86%) Puppet
4 256 (15.50%) Ansible
5 236 (14.29%) Opscode Chef
6 70 (4.24%) Istio
7 52 (3.15%) Prometheus
8 41 (2.48%) Grafana
9 39 (2.36%) ZABBIX
10 32 (1.94%) Rancher
11 26 (1.57%) Nagios
12 23 (1.39%) Graphite
13 20 (1.21%) HAProxy
14 16 (0.97%) Red Hat Satellite
15 14 (0.85%) Icinga
16 13 (0.79%) Salt
17 11 (0.67%) SCOM
18 10 (0.61%) NetBackup
19 9 (0.54%) Oracle RMAN
19 9 (0.54%) SCCM
Vendors
1 214 (12.95%) Microsoft
2 192 (11.62%) VMware
3 132 (7.99%) Oracle
4 120 (7.26%) Red Hat
5 101 (6.11%) Google
6 56 (3.39%) Zend
7 50 (3.03%) Cisco
8 41 (2.48%) Splunk
9 39 (2.36%) Atlassian
10 32 (1.94%) SAP
11 26 (1.57%) HP
12 24 (1.45%) EMC
13 20 (1.21%) Citrix
13 20 (1.21%) NetApp
14 18 (1.09%) IBM
15 17 (1.03%) Juniper
15 17 (1.03%) SolarWinds
16 14 (0.85%) Dell
16 14 (0.85%) ServiceNow
17 13 (0.79%) SonicWALL