Period
to 16 January 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 16 January 2021 with a comparison to the same period in the previous 2 years.

Linux
UK > Work from Home
6 months to
16 Jan 2021
Same period 2020 Same period 2019
Rank 20 32 21
Rank change year-on-year +12 -11 +13
Permanent jobs citing Linux 1,083 573 768
As % of all permanent jobs with a WFH option 10.33% 7.83% 10.29%
As % of the Operating Systems category 46.72% 44.91% 56.93%
Number of salaries quoted 1,986 1,034 1,365
Median annual salary £52,500 £60,000 £57,500
Median salary % change year-on-year -12.50% +4.35% +9.52%
10th Percentile £36,250 £37,500 £37,500
90th Percentile £80,000 £81,250 £85,000
UK median annual salary £55,000 £52,500 £55,000
% change year-on-year +4.76% -4.55% +10.00%

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 2,318 1,276 1,349
As % of all permanent jobs with a WFH option 22.11% 17.44% 18.08%
Number of salaries quoted 2,087 1,121 1,195
Median annual salary £50,000 £57,500 £55,000
Median salary % change year-on-year -13.04% +4.55% +10.00%
10th Percentile £32,750 £34,000 £33,469
90th Percentile £80,000 £80,000 £82,500
UK median annual salary £50,000 £45,000 £47,500
% change year-on-year +11.11% -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 16 January 2021.

Linux salary histogram for jobs with a WFH option

For the 6 months to 16 January 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.

1 512 (47.28%) AWS
2 484 (44.69%) DevOps
3 437 (40.35%) Docker
4 374 (34.53%) Agile Software Development
5 361 (33.33%) Kubernetes
6 334 (30.84%) Git (software)
7 330 (30.47%) Python
8 282 (26.04%) Terraform
9 266 (24.56%) Windows
10 241 (22.25%) Puppet
11 223 (20.59%) Azure
12 212 (19.58%) Scrum
13 210 (19.39%) Ansible
14 198 (18.28%) JavaScript
15 197 (18.19%) Java
16 194 (17.91%) Opscode Chef
17 186 (17.17%) Continuous Integration
18 164 (15.14%) Bash Shell
19 162 (14.96%) SQL
20 157 (14.50%) Migration
20 157 (14.50%) Jenkins
21 155 (14.31%) AWS CloudFormation
22 151 (13.94%) MySQL
23 146 (13.48%) PHP
23 146 (13.48%) Deployment Automation
24 143 (13.20%) VMware
25 135 (12.47%) Software Engineering
26 124 (11.45%) Problem-Solving
27 114 (10.53%) Unix
28 110 (10.16%) VMware Infrastructure

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 71 (6.56%) Apache
2 37 (3.42%) Elasticsearch
3 34 (3.14%) Confluence
4 25 (2.31%) Tomcat
5 19 (1.75%) nginx
6 13 (1.20%) Apache Spark
6 13 (1.20%) WordPress
7 11 (1.02%) IIS
8 10 (0.92%) JBoss
8 10 (0.92%) Mule
8 10 (0.92%) Mule ESB
8 10 (0.92%) Red Hat Fuse
9 9 (0.83%) OpenStack
10 7 (0.65%) Apache Solr
10 7 (0.65%) Drupal
11 6 (0.55%) Skype for Business
12 5 (0.46%) MS Exchange
12 5 (0.46%) SharePoint
13 4 (0.37%) Apache Pulsar
13 4 (0.37%) ColdFusion
Applications
1 23 (2.12%) Microsoft Office
2 5 (0.46%) Microsoft Excel
3 4 (0.37%) Microsoft PowerPoint
4 3 (0.28%) MS Visio
5 2 (0.18%) Adobe Illustrator
5 2 (0.18%) Fireworks
5 2 (0.18%) Inkscape
5 2 (0.18%) Photoshop
6 1 (0.092%) Quicktime
Business Applications
1 10 (0.92%) Workfront
2 5 (0.46%) Sentinel
3 3 (0.28%) Magento
4 1 (0.092%) Payment Gateway
4 1 (0.092%) R3 Corda
Cloud Services
1 512 (47.28%) AWS
2 223 (20.59%) Azure
3 155 (14.31%) AWS CloudFormation
4 77 (7.11%) GCP
5 49 (4.52%) SaaS
6 46 (4.25%) Office 365
7 43 (3.97%) Amazon EC2
8 40 (3.69%) GitHub
9 36 (3.32%) PaaS
10 34 (3.14%) IaaS
11 30 (2.77%) Serverless
12 28 (2.59%) AWS Lambda
13 26 (2.40%) Amazon CloudWatch
14 25 (2.31%) Amazon S3
15 20 (1.85%) Amazon EKS
16 19 (1.75%) Azure Active Directory
17 17 (1.57%) Virtual Private Cloud
18 16 (1.48%) Route 53
19 15 (1.39%) CloudFront
20 14 (1.29%) Amazon ECS
Communications & Networking
1 81 (7.48%) Firewall
2 63 (5.82%) TCP/IP
3 60 (5.54%) LAN
4 57 (5.26%) WAN
5 49 (4.52%) DNS
6 35 (3.23%) SAN
7 33 (3.05%) Internet
8 32 (2.95%) HTTP
9 31 (2.86%) VPN
10 28 (2.59%) Intrusion Detection
11 25 (2.31%) Network Security
12 24 (2.22%) DHCP
13 20 (1.85%) SSH
14 15 (1.39%) NAS
15 12 (1.11%) IPv4
16 11 (1.02%) IPv6
17 10 (0.92%) HTTPS
18 9 (0.83%) IPsec
18 9 (0.83%) SNMP
19 8 (0.74%) FTP
Database & Business Intelligence
1 151 (13.94%) MySQL
2 95 (8.77%) PostgreSQL
3 81 (7.48%) SQL Server
4 71 (6.56%) MongoDB
5 63 (5.82%) NoSQL
6 32 (2.95%) Amazon RDS
7 31 (2.86%) Relational Database
8 30 (2.77%) Big Data
9 26 (2.40%) Blockchain
10 25 (2.31%) Redis
11 23 (2.12%) Amazon DynamoDB
12 17 (1.57%) MariaDB
13 12 (1.11%) BusinessObjects
13 12 (1.11%) SAP HANA
14 11 (1.02%) BusinessObjects Web Intelligence
14 11 (1.02%) SAP BW
15 10 (0.92%) Oracle Database
15 10 (0.92%) RDBMS
15 10 (0.92%) SQL Server Integration Services
16 9 (0.83%) Apache Cassandra
Development Applications
1 334 (30.84%) Git (software)
2 157 (14.50%) Jenkins
3 86 (7.94%) JIRA
4 39 (3.60%) GitLab
5 35 (3.23%) TeamCity
6 34 (3.14%) Maven
7 27 (2.49%) Bitbucket
8 20 (1.85%) Octopus Deploy
9 18 (1.66%) JUnit
10 15 (1.39%) Subversion
11 14 (1.29%) Artifactory
12 13 (1.20%) Selenium
12 13 (1.20%) Team Foundation Server
13 11 (1.02%) IntelliJ
14 10 (0.92%) Visual Studio Team System
15 9 (0.83%) Atlassian Bamboo
16 8 (0.74%) C++Builder
17 7 (0.65%) gulp
17 7 (0.65%) Travis CI
18 6 (0.55%) Gradle
General
1 107 (9.88%) Finance
2 72 (6.65%) Public Sector
3 46 (4.25%) Marketing
4 44 (4.06%) Games
4 44 (4.06%) Retail
5 35 (3.23%) Electronics
6 32 (2.95%) Banking
7 28 (2.59%) Telecoms
8 23 (2.12%) Manufacturing
9 15 (1.39%) German Language
10 11 (1.02%) Front Office
10 11 (1.02%) Law
11 9 (0.83%) Spanish Language
12 8 (0.74%) French Language
13 7 (0.65%) Advertising
13 7 (0.65%) Automotive
14 5 (0.46%) Back Office
15 4 (0.37%) Local Government
15 4 (0.37%) Military
15 4 (0.37%) Publishing
Job Titles
1 360 (33.24%) DevOps Engineer
2 266 (24.56%) Developer
3 190 (17.54%) AWS Engineer
4 165 (15.24%) AWS DevOps
5 164 (15.14%) AWS DevOps Engineer
6 108 (9.97%) Linux Engineer
7 71 (6.56%) PHP Developer
8 55 (5.08%) Cloud Engineer
9 51 (4.71%) Infrastructure Engineer
9 51 (4.71%) Senior DevOps
9 51 (4.71%) Senior DevOps Engineer
10 48 (4.43%) Systems Administrator
11 46 (4.25%) Java Developer
12 45 (4.16%) Site Reliability Engineer
13 44 (4.06%) Software Developer
14 43 (3.97%) Software Engineer
15 42 (3.88%) Administrator
16 40 (3.69%) Senior Developer
17 35 (3.23%) Analyst
17 35 (3.23%) Architect
Libraries, Frameworks & Software Standards
1 108 (9.97%) Node.js
2 107 (9.88%) HTML
3 88 (8.13%) CSS
4 58 (5.36%) Kafka
4 58 (5.36%) Web Services
5 57 (5.26%) jQuery
6 55 (5.08%) React
7 54 (4.99%) AngularJS
8 50 (4.62%) REST
9 46 (4.25%) LAMP
10 43 (3.97%) RESTful
11 42 (3.88%) .NET
12 35 (3.23%) Symfony
13 31 (2.86%) HTML5
13 31 (2.86%) JSON
13 31 (2.86%) Spring
14 29 (2.68%) .NET Core
15 23 (2.12%) Elastic Stack
16 21 (1.94%) Laravel
16 21 (1.94%) SOAP
Miscellaneous
1 52 (4.80%) Data Centre
2 50 (4.62%) Greenfield Project
3 41 (3.79%) Public Cloud
4 33 (3.05%) Analytical Skills
5 30 (2.77%) Linux Command Line
6 28 (2.59%) NHS
7 27 (2.49%) Self-Motivation
8 26 (2.40%) PKI
9 25 (2.31%) Virtual Team
10 15 (1.39%) Hybrid Cloud
11 12 (1.11%) Cloud Native
11 12 (1.11%) Clustering
11 12 (1.11%) User Experience
12 10 (0.92%) Distributed Denial-of-Service
12 10 (0.92%) Management Information System
12 10 (0.92%) Robotics
13 9 (0.83%) Enterprise Software
13 9 (0.83%) Replication
14 8 (0.74%) Equities
14 8 (0.74%) iPad
Operating Systems
1 266 (24.56%) Windows
2 114 (10.53%) Unix
3 82 (7.57%) CentOS
4 80 (7.39%) Red Hat Enterprise Linux
5 70 (6.46%) Windows Server
6 42 (3.88%) Ubuntu
7 27 (2.49%) Debian
8 16 (1.48%) Android
9 15 (1.39%) Fedora
10 12 (1.11%) Embedded Linux
10 12 (1.11%) Mac OS
10 12 (1.11%) VMS
11 10 (0.92%) AIX
11 10 (0.92%) Solaris
11 10 (0.92%) Windows 10
12 7 (0.65%) Mac OS X
12 7 (0.65%) Windows 7
13 6 (0.55%) Windows 8
14 5 (0.46%) Robot Operating System
14 5 (0.46%) Windows Server 2012
Processes & Methodologies
1 484 (44.69%) DevOps
2 374 (34.53%) Agile Software Development
3 212 (19.58%) Scrum
4 186 (17.17%) Continuous Integration
5 157 (14.50%) Migration
6 146 (13.48%) Deployment Automation
7 135 (12.47%) Software Engineering
8 124 (11.45%) Problem-Solving
9 100 (9.23%) Infrastructure as Code
10 92 (8.49%) Configuration Management
11 83 (7.66%) Microservices
12 71 (6.56%) Cybersecurity
13 69 (6.37%) Computer Science
14 67 (6.19%) Infrastructure Engineering
15 64 (5.91%) TDD
16 61 (5.63%) E-Commerce
16 61 (5.63%) Site Reliability Engineering
17 58 (5.36%) MVC
18 57 (5.26%) Fintech
18 57 (5.26%) Machine Learning
Programming Languages
1 330 (30.47%) Python
2 198 (18.28%) JavaScript
3 197 (18.19%) Java
4 164 (15.14%) Bash Shell
5 162 (14.96%) SQL
6 146 (13.48%) PHP
7 88 (8.13%) Go
8 84 (7.76%) C++
9 79 (7.29%) C#
10 65 (6.00%) Shell Script
11 64 (5.91%) PowerShell
12 62 (5.72%) Ruby
13 42 (3.88%) Perl
14 41 (3.79%) C
15 20 (1.85%) Kotlin
16 17 (1.57%) Groovy
17 14 (1.29%) T-SQL
18 13 (1.20%) R
19 12 (1.11%) Clojure
20 9 (0.83%) TypeScript
Qualifications
1 89 (8.22%) Degree
2 44 (4.06%) Computer Science Degree
3 33 (3.05%) Security Cleared
4 27 (2.49%) SC Cleared
5 22 (2.03%) Microsoft Certification
6 16 (1.48%) MCSE
7 14 (1.29%) Cisco Certification
8 13 (1.20%) AWS Certification
9 12 (1.11%) CISSP
9 12 (1.11%) MCSA
10 10 (0.92%) CCNA
11 8 (0.74%) OSCE
12 6 (0.55%) CCNP
12 6 (0.55%) CEPT
12 6 (0.55%) CISM
12 6 (0.55%) EC-Council LPT
12 6 (0.55%) GXPN
12 6 (0.55%) SANS
13 5 (0.46%) (ISC)2 CCSP
14 4 (0.37%) OSWP
Quality Assurance & Compliance
1 31 (2.86%) QA
2 17 (1.57%) SLA
3 15 (1.39%) GDPR
4 12 (1.11%) ISO/IEC 27001
5 9 (0.83%) NIST
6 8 (0.74%) PCI DSS
7 7 (0.65%) Cyber Essentials
8 6 (0.55%) Cyber Essentials PLUS
9 4 (0.37%) OpenSCAP
9 4 (0.37%) PMO
10 3 (0.28%) ISO/IEC 20000
10 3 (0.28%) NIST 800
11 2 (0.18%) HIPAA
11 2 (0.18%) IEC 62304
11 2 (0.18%) ISO 13485
11 2 (0.18%) ISO 9001
System Software
1 437 (40.35%) Docker
2 110 (10.16%) VMware Infrastructure
3 56 (5.17%) Active Directory
4 34 (3.14%) Hyper-V
5 20 (1.85%) Virtual Machines
6 15 (1.39%) VMware ESXi
7 13 (1.20%) Firmware
7 13 (1.20%) Xen
8 9 (0.83%) Microsoft Virtual Server
8 9 (0.83%) Virtual Servers
9 6 (0.55%) Oracle RAC
9 6 (0.55%) Shibboleth
10 5 (0.46%) KVM
11 4 (0.37%) Postfix
11 4 (0.37%) Virtual Desktop
12 3 (0.28%) NFS
12 3 (0.28%) PowerHA
12 3 (0.28%) vSphere
13 2 (0.18%) StorNext
13 2 (0.18%) VirtualBox
Systems Management
1 361 (33.33%) Kubernetes
2 282 (26.04%) Terraform
3 241 (22.25%) Puppet
4 210 (19.39%) Ansible
5 194 (17.91%) Opscode Chef
6 44 (4.06%) Prometheus
7 29 (2.68%) ZABBIX
8 25 (2.31%) Graphite
9 24 (2.22%) Grafana
10 21 (1.94%) Rancher
11 18 (1.66%) Nagios
12 15 (1.39%) Backup Exec
13 14 (1.29%) Red Hat Satellite
14 13 (1.20%) HAProxy
14 13 (1.20%) Salt
15 12 (1.11%) Icinga
16 10 (0.92%) Docker Swarm
16 10 (0.92%) NetBackup
16 10 (0.92%) SCCM
17 9 (0.83%) SCOM
Vendors
1 143 (13.20%) VMware
2 109 (10.06%) Red Hat
3 107 (9.88%) Microsoft
4 57 (5.26%) Google
5 46 (4.25%) Oracle
6 36 (3.32%) SAP
7 29 (2.68%) Cisco
8 28 (2.59%) Atlassian
9 23 (2.12%) Zend
10 19 (1.75%) Citrix
11 17 (1.57%) EMC
11 17 (1.57%) HP
11 17 (1.57%) NetApp
12 16 (1.48%) Splunk
13 14 (1.29%) SolarWinds
14 11 (1.02%) IBM
15 10 (0.92%) Dell
15 10 (0.92%) New Relic
15 10 (0.92%) ServiceNow
16 9 (0.83%) Veeam