Period
to 2 December 2020

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 2 December 2020 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
2 Dec 2020
Same period 2019 Same period 2018
Rank 19 22 17
Rank change year-on-year +3 -5 -1
Permanent jobs citing Linux 5,381 12,810 16,861
As % of all permanent jobs advertised in the UK 9.57% 9.54% 10.54%
As % of the Operating Systems category 45.07% 41.93% 45.48%
Number of salaries quoted 5,200 10,411 14,284
Median annual salary £55,000 £52,500 £55,000
Median salary % change year-on-year +4.76% -4.55% +10.00%
10th Percentile £35,000 £31,250 £31,250
90th Percentile £85,000 £87,500 £83,750
UK excluding London median annual salary £50,000 £47,000 £46,000
% change year-on-year +6.38% +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 11,939 30,553 37,074
As % of all permanent IT jobs advertised in the UK 21.22% 22.76% 23.18%
Number of salaries quoted 9,934 24,341 29,897
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £28,000 £25,000 £25,500
90th Percentile £80,000 £80,000 £77,500
UK excluding London median annual salary £45,000 £40,500 £41,000
% change year-on-year +11.11% -1.22% +2.50%

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 2 December 2020.

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 2 December 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
England +3 4,901 £55,000 - 1,399
UK excluding London 0 3,187 £50,000 +6.38% 1,044
London -1 2,012 £70,000 +3.70% 456
South East -1 896 £50,000 +5.26% 210
Work from Home +5 849 £52,500 -12.50% 296
North of England +1 708 £49,000 +3.16% 273
South West -2 577 £47,500 +5.56% 155
Midlands +3 388 £50,000 +11.11% 124
North West -1 371 £49,000 +3.16% 155
West Midlands +2 279 £52,500 +16.67% 81
Yorkshire -3 274 £47,500 - 83
East of England -3 267 £55,000 +10.00% 176
Scotland +6 260 £47,500 +5.56% 73
East Midlands -3 108 £47,500 +5.56% 41
North East +1 63 £50,000 +33.33% 35
Northern Ireland +3 55 £42,500 +13.33% 13
Wales -15 53 £47,500 +11.76% 22
Channel Islands - 1 £36,000 - 1
Isle of Man - 1 - -

For the 6 months to 2 December 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 with a requirement for Linux.

1 1,991 (37.00%) Python
2 1,921 (35.70%) AWS
3 1,895 (35.22%) DevOps
4 1,559 (28.97%) Windows
5 1,481 (27.52%) Agile Software Development
6 1,399 (26.00%) Docker
7 1,141 (21.20%) Terraform
8 1,128 (20.96%) Kubernetes
9 1,084 (20.14%) Azure
10 1,055 (19.61%) SQL
11 1,053 (19.57%) Java
12 1,035 (19.23%) Ansible
13 1,018 (18.92%) Git (software)
14 878 (16.32%) Finance
15 858 (15.94%) JavaScript
16 826 (15.35%) Puppet
17 811 (15.07%) Software Engineering
18 799 (14.85%) Unix
19 760 (14.12%) Jenkins
20 750 (13.94%) Bash Shell
21 740 (13.75%) VMware
22 682 (12.67%) Microsoft
23 626 (11.63%) C++
24 614 (11.41%) MySQL
25 577 (10.72%) Problem-Solving
26 560 (10.41%) Degree
27 547 (10.17%) HTML
28 532 (9.89%) PHP
29 525 (9.76%) Continuous Integration
30 520 (9.66%) PowerShell

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
1 295 (5.48%) Apache
2 215 (4.00%) Confluence
3 178 (3.31%) Elasticsearch
4 92 (1.71%) nginx
5 89 (1.65%) Apache Spark
6 69 (1.28%) IIS
6 69 (1.28%) Tomcat
7 62 (1.15%) MS Exchange
8 57 (1.06%) SharePoint
9 55 (1.02%) Skype for Business
10 49 (0.91%) OpenStack
11 42 (0.78%) WebLogic
12 41 (0.76%) WordPress
13 37 (0.69%) CMS
14 33 (0.61%) Cloud Foundry
15 29 (0.54%) WebSphere
16 22 (0.41%) JBoss
17 17 (0.32%) Exchange Server 2013
17 17 (0.32%) Oracle SOA Suite
18 16 (0.30%) Red Hat Fuse
Applications
1 88 (1.64%) Microsoft Office
2 37 (0.69%) Microsoft Excel
2 37 (0.69%) MS Visio
3 11 (0.20%) Microsoft Project
4 10 (0.19%) Photoshop
5 8 (0.15%) Microsoft PowerPoint
6 5 (0.093%) Simulink
7 4 (0.074%) Adobe Illustrator
7 4 (0.074%) Fireworks
7 4 (0.074%) Inkscape
7 4 (0.074%) OrCAD
8 3 (0.056%) Adobe XD
9 2 (0.037%) Spreadsheet
10 1 (0.019%) Chatbot
10 1 (0.019%) SOLIDWORKS
Business Applications
1 29 (0.54%) Magento
2 18 (0.33%) Sentinel
3 13 (0.24%) OpenCart
4 10 (0.19%) Oracle Applications
5 9 (0.17%) Oracle EBS
6 8 (0.15%) Oracle EBS R12
6 8 (0.15%) Oracle ERP
7 7 (0.13%) Shopify
8 6 (0.11%) FLEXCUBE
8 6 (0.11%) Oracle BPM
8 6 (0.11%) Remedy ITSM
8 6 (0.11%) Workfront
9 5 (0.093%) JDE OneWorld
10 4 (0.074%) Dynamics CRM
10 4 (0.074%) Quorum
10 4 (0.074%) SAP Business One
11 3 (0.056%) Oracle 11i
11 3 (0.056%) Salesforce.com CRM
12 2 (0.037%) NetSuite
12 2 (0.037%) Payment Gateway
Cloud Services
1 1,921 (35.70%) AWS
2 1,084 (20.14%) Azure
3 379 (7.04%) GCP
4 330 (6.13%) AWS CloudFormation
5 245 (4.55%) Office 365
6 228 (4.24%) SaaS
7 193 (3.59%) GitHub
8 185 (3.44%) Serverless
9 175 (3.25%) IaaS
10 168 (3.12%) Amazon EC2
11 164 (3.05%) PaaS
12 140 (2.60%) AWS Lambda
13 119 (2.21%) Amazon S3
14 111 (2.06%) Cloud Computing
15 107 (1.99%) Azure Active Directory
16 105 (1.95%) OpenShift
17 98 (1.82%) Amazon CloudWatch
18 97 (1.80%) Amazon EKS
19 77 (1.43%) Route 53
20 68 (1.26%) Virtual Private Cloud
Communications & Networking
1 460 (8.55%) Firewall
2 379 (7.04%) TCP/IP
3 311 (5.78%) DNS
4 206 (3.83%) VPN
5 190 (3.53%) WAN
6 186 (3.46%) HTTP
7 171 (3.18%) LAN
8 165 (3.07%) DHCP
9 153 (2.84%) Network Security
10 144 (2.68%) Internet
11 127 (2.36%) SAN
12 124 (2.30%) Wireless
13 103 (1.91%) Wi-Fi
14 92 (1.71%) BGP
14 92 (1.71%) SSL
15 88 (1.64%) SSH
16 87 (1.62%) OSPF
17 81 (1.51%) SNMP
17 81 (1.51%) VoIP
18 69 (1.28%) Wireshark
Database & Business Intelligence
1 614 (11.41%) MySQL
2 412 (7.66%) SQL Server
3 363 (6.75%) PostgreSQL
4 293 (5.45%) NoSQL
5 222 (4.13%) MongoDB
6 196 (3.64%) Relational Database
7 160 (2.97%) Big Data
8 119 (2.21%) Amazon RDS
8 119 (2.21%) Redis
9 106 (1.97%) Oracle Database
10 88 (1.64%) Apache Cassandra
11 84 (1.56%) Hadoop
12 60 (1.12%) MariaDB
13 57 (1.06%) Amazon DynamoDB
14 55 (1.02%) RDBMS
15 53 (0.98%) Data Warehouse
16 38 (0.71%) Blockchain
16 38 (0.71%) SQL Server Integration Services
17 35 (0.65%) Oracle Reports
18 30 (0.56%) Oracle Database 12c
Development Applications
1 1,018 (18.92%) Git (software)
2 760 (14.12%) Jenkins
3 446 (8.29%) JIRA
4 307 (5.71%) GitLab
5 131 (2.43%) Bitbucket
5 131 (2.43%) TeamCity
6 130 (2.42%) Selenium
7 126 (2.34%) Atlassian Bamboo
8 100 (1.86%) Subversion
9 87 (1.62%) Maven
10 81 (1.51%) Octopus Deploy
11 55 (1.02%) JUnit
12 50 (0.93%) Artifactory
13 43 (0.80%) Team Foundation Server
14 42 (0.78%) Sonatype Nexus
15 39 (0.72%) Oracle APEX
16 37 (0.69%) Travis CI
17 33 (0.61%) Visual Studio Team System
18 31 (0.58%) Cucumber
18 31 (0.58%) Gerrit
General
1 878 (16.32%) Finance
2 217 (4.03%) Public Sector
3 190 (3.53%) Telecoms
4 176 (3.27%) Banking
5 146 (2.71%) Electronics
6 144 (2.68%) Marketing
7 142 (2.64%) Law
8 139 (2.58%) Games
9 128 (2.38%) Retail
10 105 (1.95%) Manufacturing
11 96 (1.78%) Front Office
12 65 (1.21%) Back Office
13 61 (1.13%) Advertising
14 53 (0.98%) Financial Institution
15 49 (0.91%) Legal
16 32 (0.59%) Automotive
17 28 (0.52%) Investment Banking
18 27 (0.50%) Aerospace
19 26 (0.48%) Military
19 26 (0.48%) Publishing
Job Titles
1 1,147 (21.32%) DevOps Engineer
2 1,143 (21.24%) Developer
3 486 (9.03%) Linux Engineer
4 479 (8.90%) AWS Engineer
5 414 (7.69%) Software Engineer
6 382 (7.10%) AWS DevOps
7 366 (6.80%) AWS DevOps Engineer
8 286 (5.31%) Infrastructure Engineer
9 247 (4.59%) Administrator
10 237 (4.40%) PHP Developer
11 224 (4.16%) Senior Developer
12 218 (4.05%) Cloud Engineer
13 210 (3.90%) Senior DevOps
14 203 (3.77%) Python Developer
15 194 (3.61%) Senior DevOps Engineer
16 187 (3.48%) Systems Administrator
17 185 (3.44%) Analyst
17 185 (3.44%) Java Developer
18 174 (3.23%) Platform Engineer
19 173 (3.22%) Python Engineer
Libraries, Frameworks & Software Standards
1 547 (10.17%) HTML
2 449 (8.34%) CSS
3 327 (6.08%) Node.js
4 271 (5.04%) Web Services
5 262 (4.87%) .NET
6 227 (4.22%) REST
7 201 (3.74%) Kafka
7 201 (3.74%) React
8 198 (3.68%) jQuery
9 191 (3.55%) HTML5
10 178 (3.31%) RESTful
11 177 (3.29%) AngularJS
12 172 (3.20%) Elastic Stack
13 156 (2.90%) JSON
14 153 (2.84%) LAMP
14 153 (2.84%) Spring
15 135 (2.51%) Vue.js
16 132 (2.45%) XML
17 124 (2.30%) Laravel
18 123 (2.29%) Django
Miscellaneous
1 358 (6.65%) Analytical Skills
2 275 (5.11%) Data Centre
3 205 (3.81%) Public Cloud
4 173 (3.22%) Linux Command Line
5 169 (3.14%) Greenfield Project
6 159 (2.95%) Algorithms
6 159 (2.95%) Self-Motivation
7 148 (2.75%) Management Information System
8 91 (1.69%) Hedge funds
9 87 (1.62%) Data Structures
10 86 (1.60%) Mobile App
11 78 (1.45%) Cloud Native
11 78 (1.45%) Clustering
12 71 (1.32%) Fixed Income
13 68 (1.26%) PKI
14 67 (1.25%) Enterprise Software
15 64 (1.19%) Equities
16 62 (1.15%) Replication
17 59 (1.10%) Embedded Systems
18 49 (0.91%) User Experience
Operating Systems
1 1,559 (28.97%) Windows
2 799 (14.85%) Unix
3 457 (8.49%) CentOS
4 447 (8.31%) Red Hat Enterprise Linux
5 409 (7.60%) Windows Server
6 281 (5.22%) Ubuntu
7 101 (1.88%) Debian
8 94 (1.75%) Windows Server 2012
9 92 (1.71%) Solaris
10 79 (1.47%) Windows Server 2016
11 76 (1.41%) Android
12 62 (1.15%) Mac OS X
13 59 (1.10%) Mac OS
14 54 (1.00%) Windows 10
15 52 (0.97%) AIX
16 50 (0.93%) Apple iOS
17 39 (0.72%) Windows 7
18 34 (0.63%) Embedded Linux
19 33 (0.61%) Oracle Linux
19 33 (0.61%) Windows Server 2008
Processes & Methodologies
1 1,895 (35.22%) DevOps
2 1,481 (27.52%) Agile Software Development
3 811 (15.07%) Software Engineering
4 577 (10.72%) Problem-Solving
5 525 (9.76%) Continuous Integration
6 520 (9.66%) Configuration Management
7 477 (8.86%) Scrum
8 474 (8.81%) Infrastructure as Code
9 421 (7.82%) Test Automation
10 402 (7.47%) Computer Science
11 399 (7.41%) Infrastructure Engineering
12 372 (6.91%) Microservices
13 342 (6.36%) TDD
14 337 (6.26%) Open Source
15 318 (5.91%) OO
16 295 (5.48%) Cybersecurity
17 281 (5.22%) Deployment Automation
18 267 (4.96%) Migration
19 262 (4.87%) Mentoring
20 252 (4.68%) Fintech
Programming Languages
1 1,991 (37.00%) Python
2 1,055 (19.61%) SQL
3 1,053 (19.57%) Java
4 858 (15.94%) JavaScript
5 750 (13.94%) Bash Shell
6 626 (11.63%) C++
7 532 (9.89%) PHP
8 520 (9.66%) PowerShell
9 412 (7.66%) C
10 369 (6.86%) C#
11 351 (6.52%) Go
12 304 (5.65%) Ruby
13 288 (5.35%) Shell Script
14 287 (5.33%) Perl
15 121 (2.25%) PL/SQL
16 93 (1.73%) Java 8
16 93 (1.73%) TypeScript
17 82 (1.52%) Scala
18 77 (1.43%) T-SQL
19 63 (1.17%) Groovy
Qualifications
1 560 (10.41%) Degree
2 404 (7.51%) Security Cleared
3 298 (5.54%) SC Cleared
4 201 (3.74%) Computer Science Degree
5 188 (3.49%) Cisco Certification
6 132 (2.45%) AWS Certification
7 130 (2.42%) Microsoft Certification
8 118 (2.19%) CCNA
9 87 (1.62%) DV Cleared
10 86 (1.60%) CCNP
11 77 (1.43%) MCSE
12 72 (1.34%) MCSA
13 47 (0.87%) VMware Certified Professional (VCP)
14 46 (0.85%) CISSP
15 42 (0.78%) Master's Degree
15 42 (0.78%) RHCE
16 37 (0.69%) CCIE
17 36 (0.67%) PhD
18 29 (0.54%) CREST Certified
19 26 (0.48%) MCP
Quality Assurance & Compliance
1 264 (4.91%) QA
2 120 (2.23%) SLA
3 103 (1.91%) ISO/IEC 27001
4 90 (1.67%) GDPR
5 49 (0.91%) NIST
6 41 (0.76%) PCI DSS
7 27 (0.50%) ISO 9001
8 16 (0.30%) Cyber Essentials
9 14 (0.26%) NIST 800
10 12 (0.22%) COBIT
11 9 (0.17%) PMO
12 8 (0.15%) HIPAA
13 6 (0.11%) NCSC
14 5 (0.093%) Dodd-Frank
14 5 (0.093%) EMIR
14 5 (0.093%) HMG Security Policy Framework
14 5 (0.093%) MiFID
15 4 (0.074%) Cyber Essentials PLUS
16 3 (0.056%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
16 3 (0.056%) JTAG
System Software
1 1,399 (26.00%) Docker
2 506 (9.40%) VMware Infrastructure
3 458 (8.51%) Active Directory
4 196 (3.64%) Hyper-V
5 125 (2.32%) vSphere
6 85 (1.58%) VMware ESXi
7 77 (1.43%) Virtual Machines
8 75 (1.39%) Firmware
9 45 (0.84%) Virtual Servers
10 40 (0.74%) KVM
11 38 (0.71%) Xen
12 29 (0.54%) VirtualBox
13 26 (0.48%) Oracle RAC
14 20 (0.37%) Microsoft Virtual Server
15 19 (0.35%) XenApp
16 18 (0.33%) LXC
17 16 (0.30%) XenDesktop
18 15 (0.28%) Kamailio
19 14 (0.26%) Apache ZooKeeper
19 14 (0.26%) NFS
Systems Management
1 1,141 (21.20%) Terraform
2 1,128 (20.96%) Kubernetes
3 1,035 (19.23%) Ansible
4 826 (15.35%) Puppet
5 466 (8.66%) Opscode Chef
6 157 (2.92%) Grafana
7 146 (2.71%) Prometheus
8 127 (2.36%) Nagios
9 92 (1.71%) SCCM
10 74 (1.38%) ZABBIX
11 65 (1.21%) Graphite
12 48 (0.89%) SCOM
13 45 (0.84%) Kibana
14 43 (0.80%) WSUS
15 42 (0.78%) Data Guard
16 40 (0.74%) Packer
17 39 (0.72%) Oracle RMAN
18 38 (0.71%) Red Hat Satellite
19 35 (0.65%) Rancher
20 33 (0.61%) Consul
Vendors
1 740 (13.75%) VMware
2 682 (12.67%) Microsoft
3 477 (8.86%) Red Hat
4 420 (7.81%) Oracle
5 293 (5.45%) Cisco
6 243 (4.52%) Google
7 149 (2.77%) Splunk
8 142 (2.64%) Atlassian
9 122 (2.27%) SAP
10 94 (1.75%) IBM
11 93 (1.73%) HP
12 79 (1.47%) Citrix
13 62 (1.15%) Veeam
14 58 (1.08%) Dell
15 54 (1.00%) Juniper
16 53 (0.98%) Zend
17 51 (0.95%) Palo Alto
18 50 (0.93%) SaltStack
19 49 (0.91%) EMC
19 49 (0.91%) SolarWinds