Period
to 16 January 2021

The following table provides summary statistics for permanent job vacancies 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 16 January 2021 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
16 Jan 2021
Same period 2020 Same period 2019
Rank 20 22 17
Rank change year-on-year +2 -5 -1
Permanent jobs citing Linux 5,841 11,676 15,991
As % of all permanent jobs advertised in the UK 9.38% 9.26% 10.58%
As % of the Operating Systems category 45.52% 41.25% 45.44%
Number of salaries quoted 5,734 9,646 13,722
Median annual salary £55,000 £52,500 £55,000
Median salary % change year-on-year +4.76% -4.55% +10.00%
10th Percentile £34,974 £31,250 £31,250
90th Percentile £85,000 £87,500 £82,500
UK excluding London median annual salary £49,797 £47,000 £46,000
% change year-on-year +5.95% +2.17% +2.22%

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 requirement for operating system skills.

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 12,833 28,306 35,194
As % of all permanent IT jobs advertised in the UK 20.61% 22.44% 23.29%
Number of salaries quoted 10,540 22,943 28,617
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £27,500 £25,000 £25,750
90th Percentile £80,000 £80,000 £78,750
UK excluding London median annual salary £45,000 £40,500 £42,000
% change year-on-year +11.11% -3.57% +5.00%

Linux
Job Vacancy Trend

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

Job vacancy trend for Linux in the UK

Linux
Salary Trend

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

Salary trend for Linux in the UK

Linux
Salary Histogram

Salary distribution for jobs citing Linux over the 6 months to 16 January 2021.

Salary histogram for Linux in the UK

Linux
Top 19 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the UK over the 6 months to 16 January 2021. 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
England +2 5,258 £55,000 - 1,364
UK excluding London 0 3,551 £49,797 +5.95% 999
London +1 2,063 £70,000 +3.70% 469
Work from Home +12 1,083 £52,500 -12.50% 299
South East -3 909 £50,000 +5.26% 214
North of England +4 836 £47,500 -4.01% 240
South West +1 667 £47,500 +5.56% 140
Midlands +4 445 £50,000 +11.11% 124
North West +2 437 £48,000 -4.00% 135
Yorkshire +5 321 £47,500 -5.00% 82
West Midlands +1 309 £52,500 +10.53% 67
Scotland +9 306 £47,500 +5.56% 66
East of England -3 292 £55,000 +10.00% 164
East Midlands +4 135 £47,500 +5.56% 54
North East +12 78 £50,000 +33.33% 23
Northern Ireland +12 66 £42,500 +25.93% 25
Wales -16 58 £47,500 +11.76% 25
Isle of Man - 1 - -
Channel Islands - 1 £36,000 - 1

For the 6 months to 16 January 2021, 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 with a requirement for Linux.

1 2,100 (35.95%) DevOps
2 2,081 (35.63%) Python
3 2,068 (35.40%) AWS
4 1,708 (29.24%) Windows
5 1,622 (27.77%) Agile Software Development
6 1,583 (27.10%) Docker
7 1,299 (22.24%) Terraform
8 1,274 (21.81%) Kubernetes
9 1,179 (20.18%) Ansible
10 1,175 (20.12%) Azure
11 1,165 (19.95%) SQL
12 1,150 (19.69%) Git (software)
13 1,110 (19.00%) Java
14 937 (16.04%) Software Engineering
15 903 (15.46%) JavaScript
16 894 (15.31%) Puppet
17 890 (15.24%) Finance
18 847 (14.50%) Jenkins
19 821 (14.06%) Bash Shell
19 821 (14.06%) Unix
20 800 (13.70%) VMware
21 771 (13.20%) Microsoft
22 686 (11.74%) C++
23 667 (11.42%) Problem-Solving
24 646 (11.06%) MySQL
25 610 (10.44%) Degree
26 603 (10.32%) HTML
27 590 (10.10%) PHP
28 587 (10.05%) Configuration Management
29 575 (9.84%) VMware Infrastructure

Linux
Co-occurring IT Skills 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
1 320 (5.48%) Apache
2 249 (4.26%) Confluence
3 173 (2.96%) Elasticsearch
4 94 (1.61%) nginx
5 89 (1.52%) IIS
6 86 (1.47%) Apache Spark
7 78 (1.34%) Tomcat
8 68 (1.16%) MS Exchange
9 65 (1.11%) CMS
10 62 (1.06%) SharePoint
11 55 (0.94%) WordPress
12 54 (0.92%) OpenStack
13 52 (0.89%) Skype for Business
14 41 (0.70%) WebLogic
15 28 (0.48%) JBoss
16 27 (0.46%) Cloud Foundry
17 23 (0.39%) Oracle SOA Suite
17 23 (0.39%) Red Hat Fuse
18 22 (0.38%) WebSphere
19 21 (0.36%) Apache Airflow
Applications
1 110 (1.88%) Microsoft Office
2 49 (0.84%) Microsoft Excel
3 38 (0.65%) MS Visio
4 19 (0.33%) Microsoft Project
5 11 (0.19%) Microsoft PowerPoint
6 10 (0.17%) Photoshop
7 9 (0.15%) Simulink
8 4 (0.068%) Adobe XD
8 4 (0.068%) Gliffy
8 4 (0.068%) OrCAD
9 3 (0.051%) Adobe Illustrator
10 2 (0.034%) Fireworks
10 2 (0.034%) Inkscape
11 1 (0.017%) Adobe Creative Suite
11 1 (0.017%) Chatbot
11 1 (0.017%) Quicktime
11 1 (0.017%) SOLIDWORKS
11 1 (0.017%) Spreadsheet
Business Applications
1 41 (0.70%) Magento
2 22 (0.38%) OpenCart
3 11 (0.19%) Oracle Applications
3 11 (0.19%) Workfront
4 10 (0.17%) Shopify
5 8 (0.14%) Oracle EBS
5 8 (0.14%) Remedy ITSM
5 8 (0.14%) Sentinel
6 7 (0.12%) Oracle EBS R12
7 6 (0.10%) Dynamics NAV
7 6 (0.10%) Oracle BPM
7 6 (0.10%) Oracle ERP
8 5 (0.086%) JDE OneWorld
8 5 (0.086%) Payment Gateway
8 5 (0.086%) SAP Business One
9 4 (0.068%) Quorum
10 3 (0.051%) FLEXCUBE
10 3 (0.051%) Oracle 11i
10 3 (0.051%) Salesforce.com CRM
11 2 (0.034%) NetSuite
Cloud Services
1 2,068 (35.40%) AWS
2 1,175 (20.12%) Azure
3 428 (7.33%) GCP
4 375 (6.42%) AWS CloudFormation
5 261 (4.47%) SaaS
6 257 (4.40%) Office 365
7 221 (3.78%) Serverless
8 215 (3.68%) GitHub
9 213 (3.65%) PaaS
10 196 (3.36%) IaaS
11 188 (3.22%) Amazon EC2
12 155 (2.65%) AWS Lambda
13 150 (2.57%) Amazon EKS
14 138 (2.36%) Amazon S3
15 120 (2.05%) Azure Active Directory
16 113 (1.93%) Amazon CloudWatch
17 110 (1.88%) OpenShift
18 109 (1.87%) Cloud Computing
19 95 (1.63%) Amazon ECS
20 75 (1.28%) Virtual Private Cloud
Communications & Networking
1 565 (9.67%) Firewall
2 420 (7.19%) TCP/IP
3 341 (5.84%) DNS
4 230 (3.94%) VPN
5 219 (3.75%) WAN
6 196 (3.36%) LAN
7 184 (3.15%) HTTP
8 181 (3.10%) DHCP
9 151 (2.59%) Network Security
10 142 (2.43%) Internet
11 140 (2.40%) SAN
12 113 (1.93%) Wireless
13 109 (1.87%) Wi-Fi
14 93 (1.59%) SSH
15 92 (1.58%) BGP
15 92 (1.58%) OSPF
16 90 (1.54%) VoIP
17 84 (1.44%) SSL
18 75 (1.28%) SNMP
19 68 (1.16%) VLAN
Database & Business Intelligence
1 646 (11.06%) MySQL
2 412 (7.05%) SQL Server
3 396 (6.78%) PostgreSQL
4 276 (4.73%) NoSQL
5 233 (3.99%) Relational Database
6 198 (3.39%) MongoDB
7 189 (3.24%) Big Data
8 133 (2.28%) Amazon RDS
9 115 (1.97%) Redis
10 100 (1.71%) Oracle Database
11 87 (1.49%) Hadoop
12 74 (1.27%) Apache Cassandra
13 72 (1.23%) Data Warehouse
14 69 (1.18%) RDBMS
15 62 (1.06%) MariaDB
16 61 (1.04%) Amazon DynamoDB
17 58 (0.99%) SQL Server Integration Services
18 51 (0.87%) Blockchain
19 47 (0.80%) SQL Server Reporting Services
20 36 (0.62%) Azure SQL Database
Development Applications
1 1,150 (19.69%) Git (software)
2 847 (14.50%) Jenkins
3 514 (8.80%) JIRA
4 318 (5.44%) GitLab
5 153 (2.62%) Bitbucket
6 151 (2.59%) TeamCity
7 123 (2.11%) Selenium
8 107 (1.83%) Maven
9 105 (1.80%) Atlassian Bamboo
10 97 (1.66%) Subversion
11 94 (1.61%) Octopus Deploy
12 70 (1.20%) JUnit
13 55 (0.94%) Artifactory
14 42 (0.72%) Gradle
15 41 (0.70%) JMeter
16 40 (0.68%) Team Foundation Server
17 38 (0.65%) Eclipse
17 38 (0.65%) LoadRunner
18 37 (0.63%) Visual Studio
19 35 (0.60%) Cucumber
General
1 890 (15.24%) Finance
2 240 (4.11%) Public Sector
3 202 (3.46%) Telecoms
4 190 (3.25%) Banking
5 183 (3.13%) Marketing
6 167 (2.86%) Electronics
7 165 (2.82%) Games
8 149 (2.55%) Retail
9 142 (2.43%) Law
10 127 (2.17%) Manufacturing
11 99 (1.69%) Front Office
12 95 (1.63%) Back Office
13 60 (1.03%) Legal
14 50 (0.86%) Advertising
14 50 (0.86%) Financial Institution
15 41 (0.70%) Aerospace
16 37 (0.63%) Publishing
17 34 (0.58%) Automotive
18 30 (0.51%) Military
19 26 (0.45%) Investment Banking
Job Titles
1 1,276 (21.85%) Developer
2 1,262 (21.61%) DevOps Engineer
3 537 (9.19%) AWS Engineer
4 527 (9.02%) Linux Engineer
5 467 (8.00%) Software Engineer
6 436 (7.46%) AWS DevOps
7 420 (7.19%) AWS DevOps Engineer
8 305 (5.22%) Infrastructure Engineer
9 274 (4.69%) PHP Developer
10 268 (4.59%) Senior DevOps
11 252 (4.31%) Cloud Engineer
11 252 (4.31%) Senior DevOps Engineer
12 236 (4.04%) Administrator
12 236 (4.04%) Senior Developer
13 222 (3.80%) Java Developer
14 207 (3.54%) Python Developer
15 200 (3.42%) Analyst
16 176 (3.01%) Systems Administrator
17 174 (2.98%) Platform Engineer
17 174 (2.98%) Systems Engineer
Libraries, Frameworks & Software Standards
1 603 (10.32%) HTML
2 496 (8.49%) CSS
3 354 (6.06%) Node.js
4 281 (4.81%) .NET
5 273 (4.67%) Web Services
6 239 (4.09%) REST
7 236 (4.04%) Kafka
8 223 (3.82%) HTML5
9 214 (3.66%) React
10 204 (3.49%) RESTful
11 201 (3.44%) jQuery
12 199 (3.41%) AngularJS
13 174 (2.98%) Spring
14 173 (2.96%) LAMP
15 169 (2.89%) JSON
16 152 (2.60%) Elastic Stack
17 135 (2.31%) XML
18 133 (2.28%) Laravel
19 129 (2.21%) .NET Core
20 122 (2.09%) Vue.js
Miscellaneous
1 407 (6.97%) Analytical Skills
2 270 (4.62%) Data Centre
3 210 (3.60%) Linux Command Line
4 199 (3.41%) Greenfield Project
5 198 (3.39%) Public Cloud
6 185 (3.17%) Management Information System
7 161 (2.76%) Algorithms
8 146 (2.50%) Self-Motivation
9 108 (1.85%) Cloud Native
10 107 (1.83%) Hedge funds
11 97 (1.66%) Data Structures
12 96 (1.64%) Clustering
13 89 (1.52%) Enterprise Software
13 89 (1.52%) Equities
14 80 (1.37%) Replication
15 74 (1.27%) Fixed Income
15 74 (1.27%) Mobile App
16 67 (1.15%) PKI
17 66 (1.13%) Embedded Systems
18 62 (1.06%) Virtual Team
Operating Systems
1 1,708 (29.24%) Windows
2 821 (14.06%) Unix
3 478 (8.18%) Red Hat Enterprise Linux
4 462 (7.91%) CentOS
5 431 (7.38%) Windows Server
6 300 (5.14%) Ubuntu
7 105 (1.80%) Windows Server 2012
8 100 (1.71%) Windows Server 2016
9 95 (1.63%) Debian
10 92 (1.58%) Android
11 76 (1.30%) Windows 10
12 74 (1.27%) Solaris
13 59 (1.01%) Mac OS X
14 58 (0.99%) Apple iOS
15 55 (0.94%) Embedded Linux
15 55 (0.94%) Mac OS
16 48 (0.82%) Windows 7
17 45 (0.77%) Windows Server 2008
18 41 (0.70%) Oracle Linux
19 40 (0.68%) AIX
Processes & Methodologies
1 2,100 (35.95%) DevOps
2 1,622 (27.77%) Agile Software Development
3 937 (16.04%) Software Engineering
4 667 (11.42%) Problem-Solving
5 587 (10.05%) Configuration Management
6 566 (9.69%) Infrastructure as Code
7 556 (9.52%) Continuous Integration
8 541 (9.26%) Scrum
9 445 (7.62%) Computer Science
10 441 (7.55%) Test Automation
11 438 (7.50%) Microservices
12 413 (7.07%) Infrastructure Engineering
13 387 (6.63%) TDD
14 345 (5.91%) Deployment Automation
15 333 (5.70%) Open Source
16 320 (5.48%) Analytics
17 315 (5.39%) Cybersecurity
18 308 (5.27%) OO
19 305 (5.22%) Migration
20 296 (5.07%) ITIL
Programming Languages
1 2,081 (35.63%) Python
2 1,165 (19.95%) SQL
3 1,110 (19.00%) Java
4 903 (15.46%) JavaScript
5 821 (14.06%) Bash Shell
6 686 (11.74%) C++
7 590 (10.10%) PHP
8 575 (9.84%) PowerShell
9 445 (7.62%) C#
10 423 (7.24%) C
11 400 (6.85%) Go
12 305 (5.22%) Ruby
13 292 (5.00%) Shell Script
14 285 (4.88%) Perl
15 106 (1.81%) PL/SQL
16 94 (1.61%) TypeScript
17 87 (1.49%) T-SQL
18 86 (1.47%) Java 8
19 73 (1.25%) Scala
20 56 (0.96%) Embedded C
Qualifications
1 610 (10.44%) Degree
2 441 (7.55%) Security Cleared
3 334 (5.72%) SC Cleared
4 213 (3.65%) Computer Science Degree
5 199 (3.41%) Cisco Certification
6 155 (2.65%) Microsoft Certification
7 128 (2.19%) CCNA
8 125 (2.14%) AWS Certification
9 93 (1.59%) CCNP
10 92 (1.58%) MCSE
11 78 (1.34%) DV Cleared
12 77 (1.32%) MCSA
13 52 (0.89%) CISSP
13 52 (0.89%) RHCE
14 45 (0.77%) PhD
15 44 (0.75%) VMware Certified Professional (VCP)
16 34 (0.58%) CCIE
17 30 (0.51%) ITIL Certification
17 30 (0.51%) Master's Degree
18 27 (0.46%) MCP
Quality Assurance & Compliance
1 257 (4.40%) QA
2 114 (1.95%) SLA
3 99 (1.69%) GDPR
4 93 (1.59%) ISO/IEC 27001
5 58 (0.99%) PCI DSS
6 40 (0.68%) NIST
7 22 (0.38%) Cyber Essentials
8 17 (0.29%) ISO 9001
9 15 (0.26%) Cyber Essentials PLUS
10 14 (0.24%) COBIT
10 14 (0.24%) HIPAA
11 13 (0.22%) NIST 800
11 13 (0.22%) Sarbanes-Oxley
12 9 (0.15%) PMBOK
13 8 (0.14%) PMO
14 6 (0.10%) NCSC
15 5 (0.086%) Dodd-Frank
15 5 (0.086%) EMIR
15 5 (0.086%) ISO/IEC 20000
15 5 (0.086%) MiFID
System Software
1 1,583 (27.10%) Docker
2 575 (9.84%) VMware Infrastructure
3 488 (8.35%) Active Directory
4 216 (3.70%) Hyper-V
5 131 (2.24%) VMware ESXi
6 122 (2.09%) vSphere
7 89 (1.52%) Virtual Machines
8 82 (1.40%) Firmware
9 59 (1.01%) Virtual Servers
10 46 (0.79%) KVM
10 46 (0.79%) Xen
11 29 (0.50%) Microsoft Virtual Server
11 29 (0.50%) Oracle RAC
12 25 (0.43%) VirtualBox
13 21 (0.36%) VMware NSX
13 21 (0.36%) XenApp
14 19 (0.33%) XenDesktop
15 17 (0.29%) NFS
16 16 (0.27%) Apache ZooKeeper
17 15 (0.26%) Kamailio
Systems Management
1 1,299 (22.24%) Terraform
2 1,274 (21.81%) Kubernetes
3 1,179 (20.18%) Ansible
4 894 (15.31%) Puppet
5 536 (9.18%) Opscode Chef
6 156 (2.67%) Prometheus
7 148 (2.53%) Grafana
8 134 (2.29%) Nagios
9 109 (1.87%) SCCM
10 87 (1.49%) ZABBIX
11 66 (1.13%) Graphite
12 50 (0.86%) SCOM
13 46 (0.79%) Rancher
14 41 (0.70%) Salt
15 38 (0.65%) Microsoft Intune
16 37 (0.63%) HAProxy
16 37 (0.63%) Red Hat Satellite
17 35 (0.60%) Kibana
18 34 (0.58%) Packer
19 31 (0.53%) WSUS
Vendors
1 800 (13.70%) VMware
2 771 (13.20%) Microsoft
3 533 (9.13%) Red Hat
4 448 (7.67%) Oracle
5 315 (5.39%) Cisco
6 293 (5.02%) Google
7 164 (2.81%) Atlassian
8 150 (2.57%) Splunk
9 129 (2.21%) SAP
10 105 (1.80%) IBM
11 89 (1.52%) HP
12 77 (1.32%) Veeam
13 73 (1.25%) Citrix
14 65 (1.11%) SaltStack
15 64 (1.10%) Dell
16 63 (1.08%) EMC
17 52 (0.89%) Zend
18 50 (0.86%) Palo Alto
19 48 (0.82%) NetApp
20 45 (0.77%) Juniper