Period
to 20 January 2019

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 20 January 2019 with a comparison to the same period in the previous 2 years.

Linux
UK
6 months to
20 Jan 2019
Same period 2018 Same period 2017
Rank 18 16 16
Rank change year-on-year -2 0 0
Permanent jobs citing Linux 15,803 18,316 19,560
As % of all permanent IT jobs advertised in the UK 10.57% 10.58% 11.05%
As % of the Operating Systems category 45.49% 43.64% 45.22%
Number of salaries quoted 12,728 14,714 16,291
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £31,250 £29,500 £29,000
90th Percentile £82,500 £80,000 £77,500
UK excluding London median annual salary £45,000 £45,000 £45,000

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 34,736 41,975 43,257
As % of all permanent IT jobs advertised in the UK 23.22% 24.24% 24.43%
Number of salaries quoted 27,841 34,281 36,517
UK median annual salary £47,500 £45,000 £44,000
Median salary % change year-on-year +5.56% +2.27% +1.15%
10th Percentile £25,750 £24,750 £24,500
90th Percentile £78,750 £75,000 £72,500
UK excluding London median annual salary £42,000 £40,000 £39,500
% change year-on-year +5.00% +1.27% -1.25%

Linux
Job Vacancy Trend

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

Job vacancy trend for Linux in the UK

Linux
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux.

Salary trend for Linux in the UK

Linux
Salary Histogram

The salary distribution of IT jobs citing Linux over the 6 months to 20 January 2019.

Salary histogram for Linux in the UK

Linux
Top 18 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 20 January 2019. 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 14,662 £55,000 +10.00% 2,808
UK excluding London +1 9,055 £45,000 - 1,910
London -3 6,399 £65,000 +8.33% 1,073
South East -1 3,033 £48,250 +7.22% 502
North of England +4 1,861 £45,000 - 390
South West +6 1,286 £42,500 - 324
East of England 0 1,124 £52,500 +5.00% 320
North West +5 1,089 £45,000 - 204
Midlands +1 925 £43,375 +2.06% 200
Yorkshire -2 631 £46,250 +2.78% 145
West Midlands +3 544 £43,250 +8.13% 111
Scotland +2 530 £43,000 +7.50% 91
East Midlands +7 378 £45,000 +5.88% 88
Wales +5 222 £40,000 -5.88% 61
North East +8 139 £45,000 +12.50% 42
Northern Ireland +2 86 £47,500 +18.75% 23
Isle of Man +13 4 £37,500 -16.67%
Channel Islands -4 3 £60,000 +84.62%

For the 6 months to 20 January 2019, 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 5,816 (36.80%) Windows
2 5,571 (35.25%) Python
3 4,518 (28.59%) Amazon AWS
4 4,386 (27.75%) DevOps
5 4,310 (27.27%) Agile Software Development
6 4,169 (26.38%) Java
7 3,892 (24.63%) SQL
8 3,152 (19.95%) Unix
9 3,011 (19.05%) Docker
10 2,839 (17.96%) Finance
11 2,815 (17.81%) Git (software)
12 2,738 (17.33%) Ansible
13 2,600 (16.45%) Microsoft Azure
14 2,464 (15.59%) JavaScript
15 2,414 (15.28%) Software Engineering
16 2,391 (15.13%) Bash Shell
17 2,371 (15.00%) Jenkins
18 2,360 (14.93%) Degree
19 2,336 (14.78%) Puppet
20 2,293 (14.51%) Microsoft
21 2,243 (14.19%) VMware
22 2,158 (13.66%) MySQL
23 2,110 (13.35%) C++
24 1,868 (11.82%) Continuous Integration
25 1,837 (11.62%) Oracle
26 1,806 (11.43%) Kubernetes
27 1,682 (10.64%) Red Hat
28 1,665 (10.54%) HTML
29 1,662 (10.52%) Opscode Chef
30 1,651 (10.45%) PHP

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 1,338 (8.47%) Apache
2 643 (4.07%) Elasticsearch
3 566 (3.58%) Tomcat
4 545 (3.45%) IIS
5 535 (3.39%) Confluence
6 473 (2.99%) nginx
7 362 (2.29%) Apache Spark
8 320 (2.02%) MS Exchange
9 307 (1.94%) SharePoint
10 286 (1.81%) JBoss
11 258 (1.63%) OpenStack
12 207 (1.31%) WebSphere
13 192 (1.21%) WebLogic
14 177 (1.12%) CMS
15 156 (0.99%) WordPress
16 126 (0.80%) Apache Solr
17 82 (0.52%) Exchange Server 2010
17 82 (0.52%) Skype for Business
18 79 (0.50%) Drupal
19 70 (0.44%) Oracle SOA Suite
Applications
1 286 (1.81%) Microsoft Office
2 170 (1.08%) Microsoft PowerPoint
3 100 (0.63%) Microsoft Excel
4 62 (0.39%) MS Visio
5 46 (0.29%) Photoshop
6 20 (0.13%) Adobe Illustrator
7 18 (0.11%) Microsoft Project
8 13 (0.082%) Weka
9 10 (0.063%) Adobe Creative Suite
10 8 (0.051%) Simulink
11 7 (0.044%) HipChat
11 7 (0.044%) Spreadsheet
12 5 (0.032%) Adobe Premiere
12 5 (0.032%) RoboHelp
13 4 (0.025%) CATIA
13 4 (0.025%) Maple
14 3 (0.019%) AutoCAD
14 3 (0.019%) Avid Media Composer
14 3 (0.019%) Chatbot
14 3 (0.019%) InVision
Business Applications
1 83 (0.53%) Magento
2 40 (0.25%) Dynamics CRM
2 40 (0.25%) Oracle Applications
3 36 (0.23%) Payment Gateway
4 30 (0.19%) Oracle EBS
5 29 (0.18%) Distributed Ledger
6 26 (0.16%) Remedy ITSM
7 19 (0.12%) Odoo
8 14 (0.089%) Oracle BPM
9 11 (0.070%) Oracle Retail
10 9 (0.057%) Salesforce.com CRM
11 8 (0.051%) Eagle PACE
11 8 (0.051%) Front Arena
11 8 (0.051%) Markit EDM
11 8 (0.051%) Relativity
11 8 (0.051%) thinkFolio
12 7 (0.044%) SAP S/4HANA
13 6 (0.038%) CiviCRM
13 6 (0.038%) Salerio
13 6 (0.038%) SAP Hybris
Cloud Services
1 4,518 (28.59%) Amazon AWS
2 2,600 (16.45%) Microsoft Azure
3 949 (6.01%) Google Cloud Platform
4 671 (4.25%) SaaS
5 601 (3.80%) AWS CloudFormation
6 578 (3.66%) Office 365
7 522 (3.30%) GitHub
8 504 (3.19%) Amazon EC2
9 463 (2.93%) Cloud Computing
10 405 (2.56%) Amazon S3
11 338 (2.14%) PaaS
12 321 (2.03%) IaaS
13 279 (1.77%) Amazon CloudWatch
14 248 (1.57%) Serverless
15 203 (1.28%) Azure Active Directory
16 196 (1.24%) AWS Lambda
17 182 (1.15%) Amazon SQS
18 156 (0.99%) OpenShift
19 146 (0.92%) Virtual Private Cloud
20 111 (0.70%) Route 53
Communications & Networking
1 1,493 (9.45%) Firewall
2 1,038 (6.57%) TCP/IP
3 910 (5.76%) DNS
4 525 (3.32%) VPN
5 509 (3.22%) Internet
6 490 (3.10%) SAN
7 451 (2.85%) WAN
8 449 (2.84%) Network Security
9 446 (2.82%) DHCP
10 433 (2.74%) LAN
11 393 (2.49%) HTTP
12 299 (1.89%) VoIP
13 269 (1.70%) SSL
14 267 (1.69%) Wireless
15 262 (1.66%) Wi-Fi
16 259 (1.64%) VLAN
17 154 (0.97%) SSH
18 148 (0.94%) BGP
19 135 (0.85%) Intrusion Detection
20 124 (0.78%) NAS
Database & Business Intelligence
1 2,158 (13.66%) MySQL
2 1,545 (9.78%) SQL Server
3 1,005 (6.36%) PostgreSQL
4 902 (5.71%) NoSQL
5 877 (5.55%) Relational Database
6 813 (5.14%) Big Data
7 774 (4.90%) MongoDB
8 493 (3.12%) Oracle Database
9 488 (3.09%) Hadoop
10 388 (2.46%) Amazon RDS
11 343 (2.17%) Redis
12 321 (2.03%) Apache Cassandra
13 299 (1.89%) RDBMS
14 252 (1.59%) Data Warehouse
15 213 (1.35%) MariaDB
16 212 (1.34%) Apache Hive
17 175 (1.11%) Amazon DynamoDB
18 158 (1.00%) Oracle Database 11g
19 145 (0.92%) DB2
20 138 (0.87%) HBase
Development Applications
1 2,815 (17.81%) Git (software)
2 2,371 (15.00%) Jenkins
3 1,247 (7.89%) JIRA
4 655 (4.14%) Maven
5 631 (3.99%) Subversion
6 620 (3.92%) TeamCity
7 605 (3.83%) Atlassian Bamboo
8 468 (2.96%) Octopus Deploy
9 384 (2.43%) Selenium
10 309 (1.96%) Bitbucket
11 304 (1.92%) JUnit
12 274 (1.73%) Visual Studio
13 253 (1.60%) GitLab
14 251 (1.59%) Vagrant
15 246 (1.56%) Gradle
16 235 (1.49%) Team Foundation Server
17 201 (1.27%) Cucumber
17 201 (1.27%) Eclipse
18 171 (1.08%) Sonatype Nexus
19 146 (0.92%) Travis CI
General
1 2,839 (17.96%) Finance
2 791 (5.01%) Banking
3 527 (3.33%) Retail
4 489 (3.09%) Telecoms
5 407 (2.58%) Marketing
6 336 (2.13%) Games
7 273 (1.73%) Electronics
8 252 (1.59%) Front Office
8 252 (1.59%) Legal
9 249 (1.58%) Manufacturing
10 195 (1.23%) Law
11 185 (1.17%) Investment Banking
12 163 (1.03%) Advertising
13 130 (0.82%) Automotive
14 125 (0.79%) Back Office
15 99 (0.63%) Financial Institution
16 90 (0.57%) Publishing
17 72 (0.46%) Aerospace
18 64 (0.40%) Military
19 61 (0.39%) German Language
Job Titles
1 3,502 (22.16%) Developer
2 2,328 (14.73%) DevOps Engineer
3 1,377 (8.71%) Software Engineer
4 1,256 (7.95%) Linux Engineer
5 1,118 (7.07%) Analyst
6 1,105 (6.99%) Java Developer
7 1,065 (6.74%) Administrator
8 736 (4.66%) Systems Administrator
9 716 (4.53%) Infrastructure Engineer
10 696 (4.40%) Support Engineer
11 622 (3.94%) Senior Developer
12 587 (3.71%) AWS Engineer
13 585 (3.70%) PHP Developer
14 554 (3.51%) Architect
15 530 (3.35%) Cloud Engineer
16 526 (3.33%) Software Developer
17 506 (3.20%) Linux/Unix DevOps
18 504 (3.19%) Applications Support
19 498 (3.15%) Support Analyst
20 487 (3.08%) Linux Administrator
Libraries, Frameworks & Software Standards
1 1,665 (10.54%) HTML
2 1,384 (8.76%) CSS
2 1,384 (8.76%) Web Services
3 995 (6.30%) Spring
4 862 (5.45%) .NET
5 856 (5.42%) Node.js
6 816 (5.16%) LAMP
7 735 (4.65%) AngularJS
8 669 (4.23%) RESTful
9 649 (4.11%) jQuery
10 643 (4.07%) XML
11 615 (3.89%) REST
12 564 (3.57%) HTML5
13 562 (3.56%) Elastic Stack
14 548 (3.47%) JSON
15 532 (3.37%) React
16 458 (2.90%) Kafka
17 442 (2.80%) SOAP
18 409 (2.59%) Middleware
19 342 (2.16%) Hibernate
Miscellaneous
1 898 (5.68%) Analytical Skills
2 728 (4.61%) Data Centre
3 715 (4.52%) Linux Command Line
4 698 (4.42%) Fintech
5 535 (3.39%) Management Information System
6 438 (2.77%) Self-Motivation
7 436 (2.76%) Public Cloud
8 356 (2.25%) Greenfield Project
9 353 (2.23%) Algorithms
10 332 (2.10%) User Experience
11 305 (1.93%) Enterprise Software
12 282 (1.78%) Clustering
13 272 (1.72%) Mobile App
14 271 (1.71%) Hedge funds
15 259 (1.64%) Private Cloud
16 227 (1.44%) Data Structures
17 226 (1.43%) Replication
18 215 (1.36%) Embedded Systems
19 201 (1.27%) Equities
20 189 (1.20%) Foreign Exchange (FX)
Operating Systems
1 5,816 (36.80%) Windows
2 3,152 (19.95%) Unix
3 1,511 (9.56%) Windows Server
4 1,435 (9.08%) Red Hat Enterprise Linux
5 1,108 (7.01%) CentOS
6 862 (5.45%) Ubuntu
7 523 (3.31%) Windows Server 2012
8 475 (3.01%) Android
8 475 (3.01%) Windows Server 2008
9 400 (2.53%) Apple iOS
10 393 (2.49%) Debian
11 378 (2.39%) Solaris
12 361 (2.28%) Windows 10
13 299 (1.89%) AIX
14 278 (1.76%) Windows 7
15 205 (1.30%) Embedded Linux
16 193 (1.22%) Mac OS X
17 177 (1.12%) Windows Server 2003
18 155 (0.98%) Mac OS
19 149 (0.94%) Windows 8
Processes & Methodologies
1 4,386 (27.75%) DevOps
2 4,310 (27.27%) Agile Software Development
3 2,414 (15.28%) Software Engineering
4 1,868 (11.82%) Continuous Integration
5 1,566 (9.91%) Problem-Solving
6 1,546 (9.78%) Configuration Management
7 1,466 (9.28%) Computer Science
8 1,400 (8.86%) Test Automation
9 1,383 (8.75%) Open Source
10 1,212 (7.67%) ITIL
11 1,085 (6.87%) Scrum
12 1,070 (6.77%) Infrastructure Engineering
13 1,018 (6.44%) TDD
14 959 (6.07%) Microservices
15 918 (5.81%) OO
16 892 (5.64%) Cybersecurity
17 847 (5.36%) Mentoring
18 835 (5.28%) Information Security
19 769 (4.87%) Analytics
20 719 (4.55%) Machine Learning
Programming Languages
1 5,571 (35.25%) Python
2 4,169 (26.38%) Java
3 3,892 (24.63%) SQL
4 2,464 (15.59%) JavaScript
5 2,391 (15.13%) Bash Shell
6 2,110 (13.35%) C++
7 1,651 (10.45%) PHP
8 1,387 (8.78%) PowerShell
9 1,382 (8.75%) C#
10 1,290 (8.16%) Perl
11 1,288 (8.15%) Ruby
12 1,190 (7.53%) C
13 928 (5.87%) Shell Script
14 568 (3.59%) Go
15 330 (2.09%) PL/SQL
16 277 (1.75%) Scala
17 243 (1.54%) Java 8
18 148 (0.94%) Groovy
19 147 (0.93%) Korn
20 145 (0.92%) T-SQL
Qualifications
1 2,360 (14.93%) Degree
2 739 (4.68%) Security Cleared
3 664 (4.20%) Computer Science Degree
4 566 (3.58%) CISSP
5 499 (3.16%) Cisco Certification
6 460 (2.91%) SC Cleared
7 411 (2.60%) Microsoft Certification
8 329 (2.08%) CCNA
9 257 (1.63%) MCSE
10 246 (1.56%) DV Cleared
11 228 (1.44%) SANS
12 178 (1.13%) AWS Certification
13 172 (1.09%) RHCE
14 161 (1.02%) MCSA
15 152 (0.96%) CREST Certified
16 148 (0.94%) CISM
17 141 (0.89%) CEH
18 125 (0.79%) CCNP
19 119 (0.75%) GIAC
19 119 (0.75%) Numerate Degree
Quality Assurance & Compliance
1 606 (3.83%) QA
2 561 (3.55%) ISO/IEC 27001
3 337 (2.13%) SLA
4 301 (1.90%) GDPR
5 242 (1.53%) PCI DSS
6 61 (0.39%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 55 (0.35%) Data Quality
8 49 (0.31%) Cyber Essentials
9 38 (0.24%) MiFID
10 34 (0.22%) ISO 9001
10 34 (0.22%) Sarbanes-Oxley
11 30 (0.19%) PSD2
12 29 (0.18%) PMO
13 26 (0.16%) ISO/IEC 20000
14 24 (0.15%) COBIT
14 24 (0.15%) ISO 22301
15 19 (0.12%) HL7
16 13 (0.082%) JTAG
17 10 (0.063%) SEPA
18 9 (0.057%) Disclosure Scotland
System Software
1 3,011 (19.05%) Docker
2 1,576 (9.97%) Active Directory
3 1,497 (9.47%) VMware Infrastructure
4 541 (3.42%) Hyper-V
5 365 (2.31%) Virtual Machines
5 365 (2.31%) VMware ESXi
6 342 (2.16%) vSphere
7 142 (0.90%) Firmware
8 139 (0.88%) NFS
9 117 (0.74%) HDFS
10 114 (0.72%) XenApp
11 113 (0.72%) KVM
12 95 (0.60%) Virtual Servers
13 94 (0.59%) Oracle RAC
13 94 (0.59%) VirtualBox
14 87 (0.55%) VMware NSX
15 84 (0.53%) Xen
16 80 (0.51%) Apache ZooKeeper
17 66 (0.42%) iptables
18 60 (0.38%) Samba
Systems Management
1 2,738 (17.33%) Ansible
2 2,336 (14.78%) Puppet
3 1,806 (11.43%) Kubernetes
4 1,662 (10.52%) Opscode Chef
5 1,309 (8.28%) Terraform
6 384 (2.43%) Salt
7 373 (2.36%) Nagios
8 264 (1.67%) Prometheus
9 255 (1.61%) Packer
10 251 (1.59%) SCCM
11 222 (1.40%) Docker Swarm
12 193 (1.22%) ZABBIX
13 182 (1.15%) Consul
14 172 (1.09%) Grafana
15 160 (1.01%) Kibana
16 151 (0.96%) HAProxy
17 148 (0.94%) vCenter Server
18 134 (0.85%) Graphite
19 122 (0.77%) logstash
20 97 (0.61%) Mesos
Vendors
1 2,293 (14.51%) Microsoft
2 2,243 (14.19%) VMware
3 1,837 (11.62%) Oracle
4 1,682 (10.64%) Red Hat
5 986 (6.24%) Cisco
6 806 (5.10%) Google
7 459 (2.90%) Citrix
8 389 (2.46%) Splunk
9 383 (2.42%) IBM
10 365 (2.31%) HP
11 297 (1.88%) Atlassian
12 265 (1.68%) NetApp
13 254 (1.61%) EMC
14 241 (1.53%) New Relic
15 207 (1.31%) SAP
16 192 (1.21%) Juniper
17 190 (1.20%) SolarWinds
18 188 (1.19%) ServiceNow
19 175 (1.11%) Dell
20 153 (0.97%) Sybase