Period
to 15 January 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 15 January 2021 with a comparison to the same period in the previous 2 years.

Linux
England > South East
6 months to
15 Jan 2021
Same period 2020 Same period 2019
Rank 22 19 16
Rank change year-on-year -3 -3 0
Permanent jobs citing Linux 909 2,393 3,070
As % of all permanent jobs advertised in the South East 9.19% 10.26% 11.50%
As % of the Operating Systems category 40.47% 40.75% 45.97%
Number of salaries quoted 881 2,090 2,658
Median annual salary £50,000 £47,500 £50,000
Median salary % change year-on-year +5.26% -5.00% +11.11%
10th Percentile £32,500 £27,500 £28,500
90th Percentile £75,000 £72,500 £71,250
England median annual salary £55,000 £55,000 £55,000

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 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 2,246 5,873 6,678
As % of all permanent IT jobs advertised in the South East 22.70% 25.19% 25.02%
Number of salaries quoted 1,826 4,935 5,562
Median annual salary £47,500 £42,500 £42,500
Median salary % change year-on-year +11.76% - +3.39%
10th Percentile £26,250 £24,000 £24,250
90th Percentile £67,500 £68,750 £67,500
England median annual salary £50,000 £45,000 £47,500
% change year-on-year +11.11% -5.26% +5.56%

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 15 January 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 15 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
Thames Valley -2 341 £57,500 +7.48% 94
Hampshire 0 321 £45,000 +2.27% 62
Berkshire -9 195 £57,500 +4.55% 55
Oxfordshire 0 93 £55,000 +10.00% 29
Surrey -21 89 £55,000 +10.00% 25
West Sussex -24 59 £45,000 - 15
Buckinghamshire -2 53 £45,000 -10.00% 10
East Sussex 0 45 £62,500 +38.89% 5
Kent +17 36 £45,000 - 7
Home Counties - 5 £72,500 -
Middlesex +2 1 £40,000 -33.33%
Isle of Wight +1 1 - -
Linux
England

For the 6 months to 15 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 across the South East region with a requirement for Linux.

1 259 (28.49%) DevOps
2 252 (27.72%) Python
3 241 (26.51%) Windows
4 210 (23.10%) AWS
5 197 (21.67%) Docker
5 197 (21.67%) SQL
6 193 (21.23%) JavaScript
7 190 (20.90%) Software Engineering
8 176 (19.36%) HTML
9 169 (18.59%) Azure
10 167 (18.37%) Agile Software Development
11 161 (17.71%) Ansible
12 153 (16.83%) Degree
13 148 (16.28%) Git (software)
14 147 (16.17%) Java
15 144 (15.84%) VMware
16 140 (15.40%) CSS
17 139 (15.29%) MySQL
18 126 (13.86%) Microsoft
18 126 (13.86%) Kubernetes
19 124 (13.64%) Terraform
20 123 (13.53%) C++
21 117 (12.87%) PHP
22 107 (11.77%) Security Cleared
23 102 (11.22%) Computer Science
24 97 (10.67%) Active Directory
24 97 (10.67%) VMware Infrastructure
25 96 (10.56%) Unix
26 94 (10.34%) Jenkins
27 88 (9.68%) Problem-Solving

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 57 (6.27%) Apache
2 29 (3.19%) Elasticsearch
2 29 (3.19%) MS Exchange
3 28 (3.08%) IIS
4 26 (2.86%) Confluence
5 25 (2.75%) CMS
6 20 (2.20%) nginx
7 19 (2.09%) Exchange Server 2010
8 18 (1.98%) Exchange Server 2013
9 17 (1.87%) SharePoint
10 16 (1.76%) OpenStack
11 15 (1.65%) WebLogic
12 13 (1.43%) Skype for Business
12 13 (1.43%) WordPress
13 12 (1.32%) Tomcat
14 9 (0.99%) JBoss
15 5 (0.55%) Camunda
16 4 (0.44%) EPiServer
16 4 (0.44%) GlassFish
16 4 (0.44%) Oracle Application Server
Applications
1 15 (1.65%) Microsoft Office
2 5 (0.55%) Simulink
3 2 (0.22%) Microsoft Excel
4 1 (0.11%) Microsoft PowerPoint
4 1 (0.11%) MS Visio
4 1 (0.11%) Photoshop
4 1 (0.11%) Quicktime
Business Applications
1 9 (0.99%) Magento
1 9 (0.99%) OpenCart
2 4 (0.44%) Oracle Applications
3 3 (0.33%) Oracle 11i
3 3 (0.33%) Oracle EBS
3 3 (0.33%) Oracle EBS R12
3 3 (0.33%) Salesforce.com CRM
4 2 (0.22%) Oracle BPM
4 2 (0.22%) Remedy ITSM
5 1 (0.11%) Oracle Retail
5 1 (0.11%) Payment Gateway
5 1 (0.11%) SAP Oil and Gas
5 1 (0.11%) Sentinel
Cloud Services
1 210 (23.10%) AWS
2 169 (18.59%) Azure
3 46 (5.06%) GCP
4 42 (4.62%) SaaS
5 30 (3.30%) Office 365
6 22 (2.42%) Amazon EC2
7 21 (2.31%) Amazon S3
8 20 (2.20%) OpenShift
9 19 (2.09%) GitHub
10 18 (1.98%) AWS Lambda
10 18 (1.98%) IaaS
10 18 (1.98%) PaaS
10 18 (1.98%) Serverless
11 17 (1.87%) Cloud Computing
11 17 (1.87%) Virtual Private Cloud
12 13 (1.43%) Amazon EKS
13 10 (1.10%) AWS CloudFormation
14 9 (0.99%) Azure Active Directory
15 8 (0.88%) Amazon ECS
16 6 (0.66%) Amazon CloudWatch
Communications & Networking
1 82 (9.02%) Firewall
2 72 (7.92%) TCP/IP
3 68 (7.48%) DNS
4 53 (5.83%) DHCP
5 35 (3.85%) HTTP
6 23 (2.53%) Internet
7 20 (2.20%) VPN
7 20 (2.20%) WAN
8 19 (2.09%) LAN
8 19 (2.09%) Network Security
9 18 (1.98%) Skype
10 17 (1.87%) 4G
11 16 (1.76%) 2G
12 15 (1.65%) VoIP
13 14 (1.54%) SSL
13 14 (1.54%) VSAN
13 14 (1.54%) Wireshark
14 13 (1.43%) SAN
15 11 (1.21%) NAS
16 10 (1.10%) Asterisk PBX
Database & Business Intelligence
1 139 (15.29%) MySQL
2 70 (7.70%) PostgreSQL
3 67 (7.37%) SQL Server
4 64 (7.04%) Relational Database
5 20 (2.20%) MongoDB
5 20 (2.20%) Oracle Database
6 19 (2.09%) RDBMS
7 17 (1.87%) NoSQL
8 13 (1.43%) Big Data
9 12 (1.32%) Amazon RDS
9 12 (1.32%) Data Warehouse
10 10 (1.10%) MariaDB
10 10 (1.10%) Oracle Database 11g
11 7 (0.77%) Redis
12 5 (0.55%) Azure SQL Database
12 5 (0.55%) Oracle Database 10g
13 4 (0.44%) Apache Cassandra
13 4 (0.44%) Oracle BI EE
13 4 (0.44%) SQL Server 2016
14 3 (0.33%) ClickHouse
Development Applications
1 148 (16.28%) Git (software)
2 94 (10.34%) Jenkins
3 62 (6.82%) JIRA
4 45 (4.95%) GitLab
5 30 (3.30%) Selenium
6 21 (2.31%) Bitbucket
7 18 (1.98%) Maven
8 17 (1.87%) TeamCity
9 13 (1.43%) Visual Studio Team System
10 12 (1.32%) JUnit
11 10 (1.10%) Artifactory
11 10 (1.10%) Atlassian Bamboo
11 10 (1.10%) SonarQube
12 9 (0.99%) Octopus Deploy
12 9 (0.99%) Robot Framework
12 9 (0.99%) Vagrant
13 8 (0.88%) Eclipse
14 7 (0.77%) Gradle
14 7 (0.77%) IntelliJ
15 5 (0.55%) Metasploit
General
1 46 (5.06%) Law
2 33 (3.63%) Public Sector
3 31 (3.41%) Electronics
4 30 (3.30%) Finance
4 30 (3.30%) Telecoms
5 25 (2.75%) Marketing
6 18 (1.98%) Military
7 15 (1.65%) Games
8 13 (1.43%) Banking
9 12 (1.32%) Manufacturing
9 12 (1.32%) Retail
10 6 (0.66%) Billing
11 5 (0.55%) French Language
12 4 (0.44%) Aerospace
12 4 (0.44%) Automotive
13 2 (0.22%) Advertising
13 2 (0.22%) German Language
13 2 (0.22%) Korean Language
14 1 (0.11%) Pharmaceutical
14 1 (0.11%) Spanish Language
Job Titles
1 215 (23.65%) Developer
2 123 (13.53%) Software Engineer
3 120 (13.20%) DevOps Engineer
4 79 (8.69%) Linux Engineer
5 65 (7.15%) Infrastructure Engineer
6 61 (6.71%) Python Developer
7 47 (5.17%) PHP Developer
7 47 (5.17%) Support Engineer
8 38 (4.18%) Architect
9 37 (4.07%) Administrator
10 36 (3.96%) Cloud Engineer
10 36 (3.96%) Senior Developer
11 33 (3.63%) Senior DevOps
11 33 (3.63%) Senior DevOps Engineer
12 31 (3.41%) Embedded Engineer
12 31 (3.41%) Full Stack Developer
13 30 (3.30%) Analyst
13 30 (3.30%) AWS Engineer
13 30 (3.30%) Senior Software Engineer
14 29 (3.19%) Junior
Libraries, Frameworks & Software Standards
1 176 (19.36%) HTML
2 140 (15.40%) CSS
3 72 (7.92%) REST
4 50 (5.50%) Web Services
5 49 (5.39%) HTML5
6 42 (4.62%) RESTful
7 40 (4.40%) Django
8 38 (4.18%) Node.js
9 37 (4.07%) LAMP
10 36 (3.96%) AngularJS
11 33 (3.63%) .NET
11 33 (3.63%) jQuery
12 32 (3.52%) JSON
13 30 (3.30%) React
14 27 (2.97%) Laravel
15 24 (2.64%) Vue.js
16 23 (2.53%) SOAP
17 22 (2.42%) Ajax
17 22 (2.42%) Flask
18 21 (2.31%) WebRTC
Miscellaneous
1 74 (8.14%) Analytical Skills
2 45 (4.95%) Linux Command Line
3 32 (3.52%) Data Centre
3 32 (3.52%) Management Information System
4 29 (3.19%) Algorithms
5 25 (2.75%) Self-Motivation
6 18 (1.98%) Device Driver
6 18 (1.98%) Greenfield Project
6 18 (1.98%) Video Conferencing
7 17 (1.87%) Clustering
7 17 (1.87%) Public Cloud
8 14 (1.54%) Mobile App
9 13 (1.43%) Private Cloud
10 11 (1.21%) Field-Programmable Gate Array
10 11 (1.21%) Hybrid Cloud
11 10 (1.10%) Smartphone
11 10 (1.10%) User Experience
12 9 (0.99%) Embedded Systems
12 9 (0.99%) Enterprise Software
12 9 (0.99%) NHS
Operating Systems
1 241 (26.51%) Windows
2 96 (10.56%) Unix
3 72 (7.92%) CentOS
4 63 (6.93%) Ubuntu
5 57 (6.27%) Windows Server
6 40 (4.40%) Windows Server 2012
7 37 (4.07%) Windows Server 2016
8 35 (3.85%) Red Hat Enterprise Linux
9 28 (3.08%) Windows 10
10 24 (2.64%) Embedded Linux
11 17 (1.87%) Windows Server 2008
12 15 (1.65%) Windows 7
12 15 (1.65%) Windows Server 2019
13 13 (1.43%) Android
14 8 (0.88%) Apple iOS
15 6 (0.66%) Debian
15 6 (0.66%) Solaris
16 5 (0.55%) Kali Linux
17 4 (0.44%) Windows Vista
18 3 (0.33%) VxWorks
Processes & Methodologies
1 259 (28.49%) DevOps
2 190 (20.90%) Software Engineering
3 167 (18.37%) Agile Software Development
4 102 (11.22%) Computer Science
5 88 (9.68%) Problem-Solving
6 87 (9.57%) Web Development
7 84 (9.24%) Microservices
8 77 (8.47%) Test Automation
9 70 (7.70%) Infrastructure Engineering
10 64 (7.04%) OOP
11 62 (6.82%) Open Source
12 58 (6.38%) OO
13 56 (6.16%) ITIL
14 55 (6.05%) Configuration Management
14 55 (6.05%) Scrum
15 50 (5.50%) Continuous Integration
16 49 (5.39%) Cybersecurity
16 49 (5.39%) TDD
17 48 (5.28%) Continuous Improvement
18 39 (4.29%) Infrastructure as Code
Programming Languages
1 252 (27.72%) Python
2 197 (21.67%) SQL
3 193 (21.23%) JavaScript
4 147 (16.17%) Java
5 123 (13.53%) C++
6 117 (12.87%) PHP
7 86 (9.46%) Bash Shell
8 80 (8.80%) C
9 58 (6.38%) PowerShell
10 47 (5.17%) C#
11 33 (3.63%) Go
12 32 (3.52%) Shell Script
13 27 (2.97%) Ruby
14 16 (1.76%) Scala
15 13 (1.43%) Groovy
15 13 (1.43%) MATLAB
16 12 (1.32%) Embedded C
16 12 (1.32%) Perl
17 10 (1.10%) PHP 5
17 10 (1.10%) T-SQL
Qualifications
1 153 (16.83%) Degree
2 107 (11.77%) Security Cleared
3 82 (9.02%) SC Cleared
4 47 (5.17%) Computer Science Degree
5 31 (3.41%) Microsoft Certification
6 25 (2.75%) Cisco Certification
7 24 (2.64%) CCNA
7 24 (2.64%) MCSE
8 19 (2.09%) DV Cleared
9 17 (1.87%) CCNP
10 15 (1.65%) MCSA
11 14 (1.54%) MCP
12 12 (1.32%) PhD
13 7 (0.77%) CISSP
13 7 (0.77%) Numerate Degree
14 6 (0.66%) AWS Certification
14 6 (0.66%) VMware Certified Professional (VCP)
15 5 (0.55%) HND
15 5 (0.55%) ISEB
15 5 (0.55%) PMI Certification
Quality Assurance & Compliance
1 64 (7.04%) QA
2 13 (1.43%) ISO/IEC 27001
3 12 (1.32%) GDPR
4 11 (1.21%) SLA
5 8 (0.88%) PCI DSS
6 6 (0.66%) NIST
6 6 (0.66%) PMBOK
7 5 (0.55%) Cyber Essentials
8 4 (0.44%) PMO
9 3 (0.33%) JTAG
9 3 (0.33%) NIST 800
10 2 (0.22%) DICOM
11 1 (0.11%) COBIT
11 1 (0.11%) ISO 9000
System Software
1 197 (21.67%) Docker
2 97 (10.67%) Active Directory
2 97 (10.67%) VMware Infrastructure
3 47 (5.17%) Hyper-V
4 43 (4.73%) vSphere
5 39 (4.29%) VMware ESXi
6 26 (2.86%) Virtual Servers
7 20 (2.20%) Microsoft Virtual Server
8 15 (1.65%) Firmware
9 14 (1.54%) Virtual Machines
9 14 (1.54%) VMware NSX
10 13 (1.43%) KVM
11 10 (1.10%) Kamailio
12 9 (0.99%) Oracle RAC
13 4 (0.44%) vCloud
13 4 (0.44%) VirtualBox
14 2 (0.22%) NFS
14 2 (0.22%) PowerHA
14 2 (0.22%) Samba
14 2 (0.22%) Terminal Services
Systems Management
1 161 (17.71%) Ansible
2 126 (13.86%) Kubernetes
3 124 (13.64%) Terraform
4 66 (7.26%) Puppet
5 26 (2.86%) Opscode Chef
6 17 (1.87%) SCCM
7 11 (1.21%) ZABBIX
8 10 (1.10%) Rsyslog
9 9 (0.99%) Data Guard
10 8 (0.88%) Oracle Enterprise Manager
10 8 (0.88%) Packer
11 7 (0.77%) Consul
11 7 (0.77%) Microsoft Intune
11 7 (0.77%) Oracle RMAN
12 6 (0.66%) Nessus
13 5 (0.55%) Grafana
13 5 (0.55%) Nmap
13 5 (0.55%) Prometheus
13 5 (0.55%) Red Hat Satellite
13 5 (0.55%) Salt
Vendors
1 144 (15.84%) VMware
2 126 (13.86%) Microsoft
3 59 (6.49%) Red Hat
4 45 (4.95%) Cisco
5 44 (4.84%) Oracle
6 28 (3.08%) Google
7 15 (1.65%) EMC
8 13 (1.43%) Atlassian
9 12 (1.32%) SAP
10 11 (1.21%) CheckPoint
11 10 (1.10%) New Relic
12 9 (0.99%) Dell
13 8 (0.88%) Citrix
13 8 (0.88%) Dynatrace
14 7 (0.77%) HP
14 7 (0.77%) Juniper
14 7 (0.77%) Salesforce.com
15 6 (0.66%) Adobe
15 6 (0.66%) Qualys
15 6 (0.66%) webMethods