Period
to 4 December 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 4 December 2021 with a comparison to the same period in the previous 2 years.

Linux
UK > Work from Home
6 months to
4 Dec 2021
Same period 2020 Same period 2019
Rank 34 24 28
Rank change year-on-year -10 +4 -6
Permanent jobs citing Linux 2,120 868 678
As % of all permanent jobs with a WFH option 7.28% 10.04% 8.69%
As % of the Operating Systems category 46.10% 45.97% 46.95%
Number of salaries quoted 1,805 804 615
10th Percentile £37,500 £36,250 £38,750
25th Percentile £44,750 £38,750 £42,500
Median annual salary (50th Percentile) £57,500 £52,500 £60,000
Median % change year-on-year +9.52% -12.50% +4.35%
75th Percentile £73,750 £67,500 £75,000
90th Percentile £85,000 £80,000 £85,000
UK median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% -0.80%

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 4,599 1,888 1,444
As % of all permanent jobs with a WFH option 15.78% 21.85% 18.50%
Number of salaries quoted 3,737 1,718 1,276
10th Percentile £32,500 £32,500 £33,750
25th Percentile £40,000 £38,750 £42,000
Median annual salary (50th Percentile) £55,000 £50,000 £57,500
Median % change year-on-year +10.00% -13.04% +4.55%
75th Percentile £70,000 £65,000 £74,063
90th Percentile £85,000 £76,250 £83,750
UK median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -5.26%

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 4 December 2021.

Linux salary histogram for jobs with a WFH option

For the 6 months to 4 December 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.

1 948 (44.72%) AWS
2 755 (35.61%) DevOps
3 724 (34.15%) Docker
4 648 (30.57%) Agile Software Development
5 610 (28.77%) Azure
6 593 (27.97%) Kubernetes
7 577 (27.22%) Windows
8 549 (25.90%) Python
9 491 (23.16%) Git (software)
10 460 (21.70%) SQL
11 448 (21.13%) Terraform
12 447 (21.08%) Software Engineering
13 438 (20.66%) JavaScript
14 397 (18.73%) Social Skills
15 360 (16.98%) Java
16 348 (16.42%) PHP
17 335 (15.80%) Ansible
17 335 (15.80%) Microsoft
18 331 (15.61%) Finance
19 326 (15.38%) MySQL
20 298 (14.06%) Microservices
21 294 (13.87%) Jenkins
22 279 (13.16%) Unix
23 269 (12.69%) HTML
24 265 (12.50%) CSS
25 255 (12.03%) Infrastructure as Code
26 251 (11.84%) Degree
27 242 (11.42%) Puppet
28 235 (11.08%) Problem-Solving
29 233 (10.99%) GCP

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
1 120 (5.66%) Apache
2 102 (4.81%) Elasticsearch
3 66 (3.11%) Confluence
4 55 (2.59%) IIS
5 45 (2.12%) nginx
6 42 (1.98%) WordPress
7 37 (1.75%) Tomcat
8 32 (1.51%) SharePoint
9 31 (1.46%) CMS
10 24 (1.13%) OpenStack
11 22 (1.04%) Apache Solr
12 17 (0.80%) JBoss
13 16 (0.75%) Apache Spark
14 15 (0.71%) WebLogic
14 15 (0.71%) WebSphere
15 8 (0.38%) Cloud Foundry
15 8 (0.38%) Drupal
16 7 (0.33%) Moodle
17 6 (0.28%) MS Exchange
18 5 (0.24%) Oracle Workflow
Applications
1 22 (1.04%) Microsoft Office
2 8 (0.38%) MS Visio
3 5 (0.24%) Microsoft Excel
4 2 (0.094%) Spreadsheet
5 1 (0.047%) Adobe Illustrator
5 1 (0.047%) Adobe XD
5 1 (0.047%) Microsoft PowerPoint
5 1 (0.047%) Photoshop
5 1 (0.047%) Weka
Business Applications
1 13 (0.61%) Sentinel
2 10 (0.47%) Payment Gateway
3 9 (0.42%) Oracle Applications
4 6 (0.28%) Oracle EBS
4 6 (0.28%) Oracle EBS R12
4 6 (0.28%) Workfront
5 5 (0.24%) Oracle 11i
5 5 (0.24%) Salesforce.com CRM
6 3 (0.14%) Distributed Ledger
6 3 (0.14%) R3 Corda
6 3 (0.14%) Remedy ITSM
7 1 (0.047%) Magento
7 1 (0.047%) NetSuite
7 1 (0.047%) Oracle Retail
7 1 (0.047%) Summit
7 1 (0.047%) Unica
Cloud Services
1 948 (44.72%) AWS
2 610 (28.77%) Azure
3 233 (10.99%) GCP
4 189 (8.92%) SaaS
5 169 (7.97%) AWS CloudFormation
6 123 (5.80%) Serverless
7 114 (5.38%) GitHub
8 111 (5.24%) Microsoft 365
9 108 (5.09%) Amazon EC2
10 92 (4.34%) PaaS
11 78 (3.68%) AWS Lambda
12 77 (3.63%) IaaS
13 66 (3.11%) Amazon S3
14 48 (2.26%) OpenShift
15 47 (2.22%) Amazon CloudWatch
16 46 (2.17%) Virtual Private Cloud
17 39 (1.84%) Amazon SQS
18 36 (1.70%) Cloud Computing
19 29 (1.37%) Route 53
20 28 (1.32%) Amazon ECS
Communications & Networking
1 191 (9.01%) Firewall
2 126 (5.94%) DNS
3 112 (5.28%) TCP/IP
4 107 (5.05%) VPN
5 73 (3.44%) HTTP
6 69 (3.25%) Wi-Fi
7 64 (3.02%) DHCP
8 60 (2.83%) WAN
9 55 (2.59%) Network Security
10 53 (2.50%) SAN
11 50 (2.36%) IPv6
11 50 (2.36%) LAN
11 50 (2.36%) Wireless
12 47 (2.22%) Broadband
13 45 (2.12%) Bluetooth
14 38 (1.79%) Internet
15 35 (1.65%) BGP
16 33 (1.56%) Ethernet
17 32 (1.51%) MQTT
18 31 (1.46%) SSL
Database & Business Intelligence
1 326 (15.38%) MySQL
2 188 (8.87%) SQL Server
3 164 (7.74%) PostgreSQL
4 158 (7.45%) NoSQL
5 134 (6.32%) MongoDB
6 94 (4.43%) Relational Database
7 78 (3.68%) Redis
8 58 (2.74%) MariaDB
9 52 (2.45%) Amazon RDS
10 44 (2.08%) Big Data
11 41 (1.93%) Oracle Database
12 37 (1.75%) Hadoop
12 37 (1.75%) RDBMS
13 24 (1.13%) Amazon DynamoDB
13 24 (1.13%) Apache Cassandra
14 18 (0.85%) Data Warehouse
14 18 (0.85%) Oracle Database 12c
14 18 (0.85%) Power BI
15 17 (0.80%) Amazon Redshift
15 17 (0.80%) Oracle Database 11g
Development Applications
1 491 (23.16%) Git (software)
2 294 (13.87%) Jenkins
3 139 (6.56%) JIRA
4 86 (4.06%) Maven
5 70 (3.30%) GitLab
6 59 (2.78%) Bitbucket
7 49 (2.31%) JUnit
8 27 (1.27%) PHPUnit
9 24 (1.13%) Subversion
10 23 (1.08%) Selenium
11 22 (1.04%) PhpStorm
12 21 (0.99%) Ant
13 20 (0.94%) Octopus Deploy
14 19 (0.90%) Gradle
15 18 (0.85%) Visual Studio
16 17 (0.80%) Atlassian Bamboo
17 16 (0.75%) SonarQube
18 14 (0.66%) TeamCity
18 14 (0.66%) Terragrunt
19 13 (0.61%) Mercurial
General
1 397 (18.73%) Social Skills
2 331 (15.61%) Finance
3 116 (5.47%) Analytical Skills
4 91 (4.29%) Retail
5 84 (3.96%) Marketing
6 69 (3.25%) Public Sector
7 53 (2.50%) Banking
8 48 (2.26%) Telecoms
9 46 (2.17%) Inclusion and Diversity
10 40 (1.89%) Electronics
11 31 (1.46%) Games
12 28 (1.32%) Law
13 24 (1.13%) Documentation Skills
13 24 (1.13%) Presentation Skills
14 22 (1.04%) Manufacturing
15 19 (0.90%) Advertising
16 16 (0.75%) Financial Institution
17 15 (0.71%) French Language
18 14 (0.66%) Legal
19 11 (0.52%) Investment Banking
Job Titles
1 585 (27.59%) Developer
2 347 (16.37%) DevOps Engineer
3 175 (8.25%) PHP Developer
4 170 (8.02%) Software Engineer
5 154 (7.26%) AWS Engineer
6 153 (7.22%) Linux Engineer
7 133 (6.27%) AWS DevOps
7 133 (6.27%) Cloud Engineer
8 128 (6.04%) Senior Developer
9 127 (5.99%) Architect
10 122 (5.75%) AWS DevOps Engineer
11 95 (4.48%) Java Developer
12 80 (3.77%) Consultant
13 76 (3.58%) Administrator
14 75 (3.54%) JavaScript Developer
15 71 (3.35%) Infrastructure Engineer
16 67 (3.16%) Software Developer
17 66 (3.11%) C# Developer
17 66 (3.11%) Python Developer
18 63 (2.97%) Support Engineer
Libraries, Frameworks & Software Standards
1 269 (12.69%) HTML
2 265 (12.50%) CSS
3 199 (9.39%) Web Services
4 165 (7.78%) React
5 164 (7.74%) REST
6 163 (7.69%) .NET
7 162 (7.64%) Node.js
8 136 (6.42%) AngularJS
9 125 (5.90%) Spring
10 120 (5.66%) RESTful
11 117 (5.52%) Kafka
12 110 (5.19%) Laravel
13 93 (4.39%) .NET Core
14 91 (4.29%) LAMP
15 87 (4.10%) Symfony
16 82 (3.87%) HTML5
16 82 (3.87%) jQuery
17 81 (3.82%) Spring Boot
18 75 (3.54%) JSON
19 71 (3.35%) Django
Miscellaneous
1 138 (6.51%) Data Centre
2 112 (5.28%) Management Information System
3 93 (4.39%) Public Cloud
4 86 (4.06%) Self-Motivation
5 82 (3.87%) Algorithms
6 72 (3.40%) Greenfield Project
7 60 (2.83%) Linux Command Line
8 53 (2.50%) Enterprise Software
9 44 (2.08%) NHS
10 40 (1.89%) Mobile App
11 38 (1.79%) User Experience
11 38 (1.79%) Virtual Team
12 37 (1.75%) Device Driver
13 35 (1.65%) Cloud Native
14 32 (1.51%) Embedded Systems
15 28 (1.32%) Replication
16 24 (1.13%) Clustering
16 24 (1.13%) Cyberthreat
17 23 (1.08%) Data Structures
18 18 (0.85%) Foreign Exchange (FX)
Operating Systems
1 577 (27.22%) Windows
2 279 (13.16%) Unix
3 194 (9.15%) Windows Server
4 130 (6.13%) CentOS
5 117 (5.52%) Red Hat Enterprise Linux
6 78 (3.68%) Ubuntu
7 55 (2.59%) Android
8 48 (2.26%) Apple iOS
9 41 (1.93%) Debian
10 38 (1.79%) Solaris
11 34 (1.60%) Embedded Linux
12 31 (1.46%) Windows Server 2019
13 25 (1.18%) AIX
14 21 (0.99%) Mac OS
15 20 (0.94%) SUSE
15 20 (0.94%) Windows 10
16 19 (0.90%) Fedora
17 18 (0.85%) Windows Server 2012
18 17 (0.80%) Windows Server 2003
18 17 (0.80%) Windows Server 2016
Processes & Methodologies
1 755 (35.61%) DevOps
2 648 (30.57%) Agile Software Development
3 447 (21.08%) Software Engineering
4 298 (14.06%) Microservices
5 255 (12.03%) Infrastructure as Code
6 235 (11.08%) Problem-Solving
7 227 (10.71%) Scrum
8 190 (8.96%) Full Stack Development
9 189 (8.92%) Continuous Integration
10 187 (8.82%) Migration
11 178 (8.40%) OO
12 169 (7.97%) OOP
13 163 (7.69%) Computer Science
14 155 (7.31%) Machine Learning
15 146 (6.89%) Open Source
16 136 (6.42%) Test Automation
17 134 (6.32%) TDD
18 128 (6.04%) Artificial Intelligence
19 122 (5.75%) MVC
20 114 (5.38%) Infrastructure Engineering
Programming Languages
1 549 (25.90%) Python
2 460 (21.70%) SQL
3 438 (20.66%) JavaScript
4 360 (16.98%) Java
5 348 (16.42%) PHP
6 212 (10.00%) Bash Shell
7 188 (8.87%) PowerShell
8 178 (8.40%) C#
9 162 (7.64%) C++
10 124 (5.85%) Shell Script
11 123 (5.80%) Go
12 121 (5.71%) C
13 77 (3.63%) Perl
13 77 (3.63%) T-SQL
14 65 (3.07%) Ruby
14 65 (3.07%) VB.NET
15 59 (2.78%) TypeScript
16 48 (2.26%) PHP 7
17 32 (1.51%) Kotlin
18 27 (1.27%) Scala
Qualifications
1 251 (11.84%) Degree
2 74 (3.49%) Cisco Certification
3 73 (3.44%) Computer Science Degree
4 71 (3.35%) Security Cleared
5 56 (2.64%) Microsoft Certification
6 54 (2.55%) SC Cleared
7 42 (1.98%) CCNA
8 41 (1.93%) MCSE
9 35 (1.65%) CCNP
10 31 (1.46%) CISSP
11 29 (1.37%) AWS Certification
12 24 (1.13%) MCP
13 21 (0.99%) TOGAF Certification
14 20 (0.94%) CISM
15 15 (0.71%) (ISC)2 CCSP
15 15 (0.71%) CISA
16 14 (0.66%) Master's Degree
17 13 (0.61%) CREST Certified
17 13 (0.61%) MCSA
18 11 (0.52%) CCSP
Quality Assurance & Compliance
1 70 (3.30%) QA
2 68 (3.21%) ISO/IEC 27001
3 47 (2.22%) SLA
4 43 (2.03%) PCI DSS
5 26 (1.23%) GDPR
6 18 (0.85%) COBIT
7 17 (0.80%) NIST
8 15 (0.71%) Sarbanes-Oxley
9 11 (0.52%) ISO/IEC 27005
10 9 (0.42%) ISO 9001
11 8 (0.38%) GRC
11 8 (0.38%) ISAE 3402
11 8 (0.38%) ISO 31000
12 5 (0.24%) HL7
12 5 (0.24%) ISO 20022
13 4 (0.19%) Accessibility
13 4 (0.19%) HIPAA
13 4 (0.19%) NCSC
14 3 (0.14%) ISO 15022
14 3 (0.14%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 724 (34.15%) Docker
2 143 (6.75%) Active Directory
3 136 (6.42%) VMware Infrastructure
4 63 (2.97%) vSphere
5 61 (2.88%) Hyper-V
6 55 (2.59%) Firmware
7 36 (1.70%) Virtual Machines
8 22 (1.04%) KVM
9 21 (0.99%) VMware ESXi
10 19 (0.90%) iptables
11 16 (0.75%) Virtual Servers
12 12 (0.57%) NFS
12 12 (0.57%) Oracle RAC
13 9 (0.42%) XenApp
14 8 (0.38%) ISA Server
14 8 (0.38%) XenDesktop
15 6 (0.28%) Apache ZooKeeper
15 6 (0.28%) Microsoft Virtual Server
16 5 (0.24%) Virtual Desktop
17 4 (0.19%) Ceph
Systems Management
1 593 (27.97%) Kubernetes
2 448 (21.13%) Terraform
3 335 (15.80%) Ansible
4 242 (11.42%) Puppet
5 212 (10.00%) Opscode Chef
6 78 (3.68%) Grafana
7 50 (2.36%) Prometheus
8 43 (2.03%) Nagios
8 43 (2.03%) Rancher
9 37 (1.75%) Icinga
10 32 (1.51%) ZABBIX
11 29 (1.37%) Packer
12 20 (0.94%) HAProxy
13 19 (0.90%) SCCM
13 19 (0.90%) vCenter Server
14 16 (0.75%) Failover Clustering
15 14 (0.66%) Data Guard
15 14 (0.66%) Oracle RMAN
16 13 (0.61%) Istio
16 13 (0.61%) Kibana
Vendors
1 335 (15.80%) Microsoft
2 214 (10.09%) VMware
3 199 (9.39%) Oracle
4 140 (6.60%) Google
5 130 (6.13%) Red Hat
6 118 (5.57%) Cisco
7 75 (3.54%) Splunk
8 72 (3.40%) Zend
9 53 (2.50%) Apple
10 48 (2.26%) F5
11 47 (2.22%) IBM
12 39 (1.84%) ServiceNow
13 32 (1.51%) CheckPoint
14 30 (1.42%) EMC
14 30 (1.42%) SAP
15 29 (1.37%) Atlassian
16 26 (1.23%) Citrix
17 25 (1.18%) Adobe
17 25 (1.18%) NetApp
18 22 (1.04%) HP