Period
to 20 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the South East 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 April 2021 with a comparison to the same period in the previous 2 years.

Linux
England > South East
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 21 18 18
Rank change year-on-year -3 0 -3
Permanent jobs citing Linux 1,167 2,010 2,992
As % of all permanent jobs advertised in the South East 9.26% 10.08% 11.25%
As % of the Operating Systems category 43.46% 42.42% 44.86%
Number of salaries quoted 908 1,617 2,429
10th Percentile £30,000 £31,000 £28,250
25th Percentile £37,500 £37,500 £36,250
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% +1.06%
75th Percentile £64,125 £61,250 £62,750
90th Percentile £75,000 £73,750 £72,500
England median annual salary £57,500 £55,000 £55,000
% change year-on-year +4.55% - +4.76%

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 advertised in the South East with a requirement for operating system skills.

All Operating Systems
South East
Permanent vacancies with a requirement for operating system skills 2,685 4,738 6,670
As % of all permanent IT jobs advertised in the South East 21.30% 23.76% 25.08%
Number of salaries quoted 2,175 3,961 5,498
10th Percentile £27,500 £25,750 £24,500
25th Percentile £35,000 £32,500 £31,250
Median annual salary (50th Percentile) £47,500 £45,000 £42,500
Median % change year-on-year +5.56% +5.88% -
75th Percentile £61,250 £58,750 £57,500
90th Percentile £70,000 £70,000 £68,750
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - -

Linux
Job Vacancy Trend in the South East

Job postings citing Linux as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for Linux in the South East

Linux
Salary Trend in the South East

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

Salary trend for Linux in the South East

Linux
Salary Histogram in the South East

Salary distribution for jobs citing Linux in the South East over the 6 months to 20 April 2021.

Salary histogram for Linux in the South East

Linux
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the South East region over the 6 months to 20 April 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
Hampshire +2 407 £44,000 -0.56% 99
Thames Valley -10 395 £57,500 +9.52% 161
Berkshire -15 233 £60,000 +9.09% 83
Surrey -7 189 £55,000 +4.76% 52
Oxfordshire 0 94 £52,500 - 46
West Sussex +4 68 £45,000 - 14
Buckinghamshire -8 68 £47,500 +9.20% 32
East Sussex +2 57 £57,500 +27.78% 7
Kent +9 40 £37,500 -16.67% 9
Home Counties - 6 £71,250 -
Isle of Wight -2 1 - -
Middlesex - 1 £40,000 -
Linux
England

For the 6 months to 20 April 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 across the South East region with a requirement for Linux.

1 339 (29.05%) Windows
2 334 (28.62%) Python
3 331 (28.36%) DevOps
4 299 (25.62%) Agile Software Development
5 281 (24.08%) AWS
6 271 (23.22%) Software Engineering
7 266 (22.79%) JavaScript
7 266 (22.79%) SQL
8 262 (22.45%) Docker
9 261 (22.37%) Azure
10 230 (19.71%) Git (software)
11 218 (18.68%) HTML
12 217 (18.59%) Java
13 214 (18.34%) VMware
14 199 (17.05%) Ansible
15 198 (16.97%) Degree
16 195 (16.71%) CSS
17 182 (15.60%) Kubernetes
18 181 (15.51%) PHP
19 180 (15.42%) Terraform
20 176 (15.08%) MySQL
21 167 (14.31%) Microsoft
22 162 (13.88%) Unix
23 153 (13.11%) Problem-Solving
24 149 (12.77%) Computer Science
25 145 (12.43%) VMware Infrastructure
26 138 (11.83%) REST
27 137 (11.74%) Microservices
28 135 (11.57%) Jenkins
29 130 (11.14%) Bash Shell

Linux
Co-occurring IT Skills in the South East 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 95 (8.14%) Apache
2 44 (3.77%) IIS
3 37 (3.17%) Elasticsearch
4 36 (3.08%) MS Exchange
5 30 (2.57%) nginx
6 28 (2.40%) Confluence
7 27 (2.31%) CMS
8 23 (1.97%) SharePoint
9 22 (1.89%) WordPress
10 20 (1.71%) OpenStack
11 18 (1.54%) GemFire
12 14 (1.20%) Apache Spark
12 14 (1.20%) Exchange Server 2013
13 12 (1.03%) Tomcat
14 10 (0.86%) Exchange Server 2010
14 10 (0.86%) WebLogic
15 8 (0.69%) JBoss
16 7 (0.60%) GlassFish
17 6 (0.51%) Camunda
18 4 (0.34%) Drupal
Applications
1 24 (2.06%) Microsoft Office
2 8 (0.69%) Microsoft Excel
3 4 (0.34%) Microsoft PowerPoint
3 4 (0.34%) Simulink
4 2 (0.17%) Microsoft Project
4 2 (0.17%) MS Visio
5 1 (0.086%) Quicktime
Business Applications
1 10 (0.86%) Magento
1 10 (0.86%) OpenCart
2 4 (0.34%) SAP Oil and Gas
3 2 (0.17%) Oracle 11i
3 2 (0.17%) Oracle Applications
3 2 (0.17%) Oracle EBS
3 2 (0.17%) Oracle EBS R12
4 1 (0.086%) Payment Gateway
4 1 (0.086%) Remedy ITSM
Cloud Services
1 281 (24.08%) AWS
2 261 (22.37%) Azure
3 72 (6.17%) GCP
4 70 (6.00%) Microsoft 365
5 66 (5.66%) SaaS
6 50 (4.28%) GitHub
7 44 (3.77%) AWS CloudFormation
8 43 (3.68%) PaaS
9 37 (3.17%) IaaS
10 25 (2.14%) Cloud Computing
11 24 (2.06%) Amazon EC2
11 24 (2.06%) Serverless
12 23 (1.97%) Amazon S3
12 23 (1.97%) Azure Active Directory
13 22 (1.89%) OpenShift
14 19 (1.63%) AWS Lambda
15 15 (1.29%) Amazon ECS
16 14 (1.20%) Virtual Private Cloud
17 13 (1.11%) Amazon EKS
18 12 (1.03%) Amazon CloudWatch
Communications & Networking
1 120 (10.28%) Firewall
2 95 (8.14%) DNS
3 90 (7.71%) TCP/IP
4 65 (5.57%) DHCP
5 52 (4.46%) HTTP
6 38 (3.26%) VPN
7 35 (3.00%) WAN
8 34 (2.91%) Network Security
9 26 (2.23%) LAN
10 25 (2.14%) SAN
11 23 (1.97%) Internet
12 21 (1.80%) Wireless
13 16 (1.37%) 4G
13 16 (1.37%) SSL
14 13 (1.11%) 5G
14 13 (1.11%) HTTPS
14 13 (1.11%) SMTP
14 13 (1.11%) VSAN
15 12 (1.03%) NAS
15 12 (1.03%) VoIP
Database & Business Intelligence
1 176 (15.08%) MySQL
2 106 (9.08%) SQL Server
3 99 (8.48%) PostgreSQL
4 90 (7.71%) Relational Database
5 55 (4.71%) NoSQL
6 41 (3.51%) MariaDB
7 38 (3.26%) Redis
8 29 (2.49%) RDBMS
9 28 (2.40%) MongoDB
10 26 (2.23%) Big Data
11 22 (1.89%) Oracle Database
12 16 (1.37%) Amazon RDS
13 13 (1.11%) HBase
14 12 (1.03%) Data Warehouse
15 10 (0.86%) Apache Cassandra
16 9 (0.77%) Oracle Database 11g
17 7 (0.60%) Azure SQL Database
17 7 (0.60%) Oracle Database 12c
17 7 (0.60%) Oracle Reports
18 6 (0.51%) Oracle Exadata
Development Applications
1 230 (19.71%) Git (software)
2 135 (11.57%) Jenkins
3 80 (6.86%) JIRA
4 56 (4.80%) GitLab
5 39 (3.34%) Bitbucket
6 29 (2.49%) JUnit
7 27 (2.31%) Cucumber
7 27 (2.31%) Selenium
8 25 (2.14%) Sonatype Nexus
9 23 (1.97%) TeamCity
10 21 (1.80%) SonarQube
11 20 (1.71%) Eclipse
11 20 (1.71%) IntelliJ
12 19 (1.63%) Artifactory
13 18 (1.54%) Cypress.io
13 18 (1.54%) Gradle
13 18 (1.54%) Protractor
14 17 (1.46%) Storybook
15 15 (1.29%) Atlassian Bamboo
16 14 (1.20%) Maven
General
1 98 (8.40%) Finance
2 79 (6.77%) Law
3 44 (3.77%) Telecoms
4 43 (3.68%) Retail
5 37 (3.17%) Marketing
6 33 (2.83%) Banking
7 30 (2.57%) Public Sector
8 27 (2.31%) Electronics
9 18 (1.54%) Manufacturing
10 15 (1.29%) Military
11 10 (0.86%) Automotive
12 8 (0.69%) Billing
13 5 (0.43%) Games
14 4 (0.34%) Legal
15 3 (0.26%) German Language
16 2 (0.17%) Aerospace
16 2 (0.17%) French Language
17 1 (0.086%) Advertising
Job Titles
1 308 (26.39%) Developer
2 171 (14.65%) DevOps Engineer
3 130 (11.14%) Software Engineer
4 84 (7.20%) Infrastructure Engineer
5 58 (4.97%) Architect
5 58 (4.97%) PHP Developer
6 55 (4.71%) Administrator
7 54 (4.63%) Linux Engineer
7 54 (4.63%) Support Engineer
8 48 (4.11%) Cloud Engineer
9 47 (4.03%) Senior DevOps
9 47 (4.03%) Senior DevOps Engineer
10 45 (3.86%) Analyst
10 45 (3.86%) Junior
11 44 (3.77%) Python Developer
11 44 (3.77%) Web Developer
12 41 (3.51%) Systems Administrator
13 39 (3.34%) Software Developer
14 35 (3.00%) Senior Developer
15 34 (2.91%) Java Developer
Libraries, Frameworks & Software Standards
1 218 (18.68%) HTML
2 195 (16.71%) CSS
3 138 (11.83%) REST
4 90 (7.71%) LAMP
5 75 (6.43%) Web Services
6 70 (6.00%) React
7 69 (5.91%) Node.js
8 63 (5.40%) HTML5
9 59 (5.06%) RESTful
10 48 (4.11%) .NET
10 48 (4.11%) AngularJS
11 43 (3.68%) Ajax
11 43 (3.68%) Spring
12 41 (3.51%) SOAP
13 39 (3.34%) Redux
14 38 (3.26%) Symfony
15 37 (3.17%) JSON
16 32 (2.74%) Flask
16 32 (2.74%) XML
17 31 (2.66%) Django
Miscellaneous
1 90 (7.71%) Analytical Skills
2 84 (7.20%) Linux Command Line
3 57 (4.88%) Data Centre
4 47 (4.03%) Self-Motivation
5 39 (3.34%) Greenfield Project
6 35 (3.00%) User Experience
7 30 (2.57%) Management Information System
8 25 (2.14%) Enterprise Software
9 21 (1.80%) Private Cloud
9 21 (1.80%) Video Conferencing
10 18 (1.54%) Mobile App
10 18 (1.54%) Public Cloud
10 18 (1.54%) Virtual Team
11 17 (1.46%) Device Driver
12 16 (1.37%) Smartphone
13 15 (1.29%) Algorithms
14 14 (1.20%) iPad
15 13 (1.11%) Cloud Native
15 13 (1.11%) Field-Programmable Gate Array
16 12 (1.03%) Organisational Skills
Operating Systems
1 339 (29.05%) Windows
2 162 (13.88%) Unix
3 108 (9.25%) Windows Server
4 86 (7.37%) CentOS
5 85 (7.28%) Ubuntu
6 74 (6.34%) Red Hat Enterprise Linux
7 40 (3.43%) Windows Server 2016
8 38 (3.26%) Windows 10
8 38 (3.26%) Windows Server 2012
9 28 (2.40%) Embedded Linux
10 23 (1.97%) Android
11 21 (1.80%) Windows Server 2019
12 16 (1.37%) Windows Server 2008
13 15 (1.29%) Windows 7
14 12 (1.03%) Apple iOS
15 11 (0.94%) Debian
15 11 (0.94%) VMS
16 6 (0.51%) Oracle Linux
17 5 (0.43%) AIX
17 5 (0.43%) Solaris
Processes & Methodologies
1 331 (28.36%) DevOps
2 299 (25.62%) Agile Software Development
3 271 (23.22%) Software Engineering
4 153 (13.11%) Problem-Solving
5 149 (12.77%) Computer Science
6 137 (11.74%) Microservices
7 129 (11.05%) Web Development
8 122 (10.45%) Test Automation
9 107 (9.17%) Configuration Management
10 104 (8.91%) Infrastructure Engineering
11 97 (8.31%) OOP
12 94 (8.05%) OO
13 91 (7.80%) ITIL
14 88 (7.54%) Continuous Integration
15 86 (7.37%) Scrum
16 84 (7.20%) Open Source
17 77 (6.60%) Continuous Delivery
18 74 (6.34%) E-Commerce
19 73 (6.26%) High Availability
20 69 (5.91%) Software Testing
Programming Languages
1 334 (28.62%) Python
2 266 (22.79%) JavaScript
2 266 (22.79%) SQL
3 217 (18.59%) Java
4 181 (15.51%) PHP
5 130 (11.14%) Bash Shell
6 121 (10.37%) C++
7 115 (9.85%) PowerShell
8 74 (6.34%) C
9 67 (5.74%) C#
9 67 (5.74%) Ruby
10 40 (3.43%) Shell Script
11 34 (2.91%) Perl
12 27 (2.31%) Go
13 25 (2.14%) Groovy
13 25 (2.14%) TypeScript
14 23 (1.97%) PHP 7
15 12 (1.03%) PHP 5
16 11 (0.94%) PL/SQL
17 10 (0.86%) Embedded C++
Qualifications
1 198 (16.97%) Degree
2 123 (10.54%) Security Cleared
3 73 (6.26%) SC Cleared
4 58 (4.97%) Computer Science Degree
5 30 (2.57%) Cisco Certification
5 30 (2.57%) Microsoft Certification
6 24 (2.06%) CCNA
7 20 (1.71%) AWS Certification
7 20 (1.71%) CCNP
8 16 (1.37%) DV Cleared
8 16 (1.37%) MCSE
9 15 (1.29%) MCP
9 15 (1.29%) OCP
9 15 (1.29%) Oracle Certification
10 10 (0.86%) HND
10 10 (0.86%) PhD
11 9 (0.77%) Numerate Degree
12 8 (0.69%) Master's Degree
12 8 (0.69%) MCSA
12 8 (0.69%) TOGAF Certification
Quality Assurance & Compliance
1 75 (6.43%) QA
2 18 (1.54%) SLA
3 10 (0.86%) ISO/IEC 27001
4 9 (0.77%) PMBOK
5 6 (0.51%) Cyber Essentials
6 5 (0.43%) GDPR
6 5 (0.43%) NIST
7 4 (0.34%) PCI DSS
8 3 (0.26%) GRC
9 2 (0.17%) Def Stans
9 2 (0.17%) NCSC
9 2 (0.17%) NIST 800
10 1 (0.086%) COBIT
10 1 (0.086%) ISO 9000
10 1 (0.086%) ISO 9001
10 1 (0.086%) ISO/IEC 27005
System Software
1 262 (22.45%) Docker
2 145 (12.43%) VMware Infrastructure
3 116 (9.94%) Active Directory
4 56 (4.80%) Hyper-V
5 45 (3.86%) vSphere
6 24 (2.06%) VMware ESXi
7 19 (1.63%) Virtual Machines
8 17 (1.46%) Firmware
8 17 (1.46%) Virtual Servers
9 13 (1.11%) HDFS
9 13 (1.11%) KVM
9 13 (1.11%) VMware NSX
10 12 (1.03%) Microsoft Virtual Server
11 10 (0.86%) RHEV
12 9 (0.77%) Oracle RAC
13 5 (0.43%) VirtualBox
13 5 (0.43%) XenApp
14 4 (0.34%) vCloud
14 4 (0.34%) XenDesktop
15 3 (0.26%) Postfix
Systems Management
1 199 (17.05%) Ansible
2 182 (15.60%) Kubernetes
3 180 (15.42%) Terraform
4 97 (8.31%) Puppet
5 40 (3.43%) Opscode Chef
6 22 (1.89%) Grafana
7 14 (1.20%) Packer
7 14 (1.20%) Prometheus
7 14 (1.20%) ZABBIX
8 13 (1.11%) Consul
9 11 (0.94%) Icinga
10 10 (0.86%) Data Guard
10 10 (0.86%) Microsoft Intune
10 10 (0.86%) SCCM
11 8 (0.69%) Graylog
12 7 (0.60%) HAProxy
12 7 (0.60%) Oracle RMAN
12 7 (0.60%) Salt
13 6 (0.51%) Nessus
13 6 (0.51%) vCenter Server
Vendors
1 214 (18.34%) VMware
2 167 (14.31%) Microsoft
3 74 (6.34%) Cisco
4 73 (6.26%) Red Hat
5 64 (5.48%) Oracle
6 31 (2.66%) Google
7 28 (2.40%) SAP
8 20 (1.71%) Citrix
9 19 (1.63%) EMC
10 18 (1.54%) Juniper
11 17 (1.46%) IBM
11 17 (1.46%) Okta
12 16 (1.37%) Atlassian
12 16 (1.37%) F5
12 16 (1.37%) Meraki
13 14 (1.20%) HP
14 13 (1.11%) Dell
15 11 (0.94%) Veeam
16 8 (0.69%) ServiceNow
17 7 (0.60%) New Relic