Period
to 11 April 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Debian skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Debian over the 6 months to 11 April 2021 with a comparison to the same period in the previous 2 years.

Debian Linux
England > London
6 months to
11 Apr 2021
Same period 2020 Same period 2019
Rank 492 641 630
Rank change year-on-year +149 -11 +45
Permanent jobs citing Debian 62 41 153
As % of all permanent jobs advertised in London 0.20% 0.087% 0.25%
As % of the Operating Systems category 1.14% 0.44% 1.12%
Number of salaries quoted 53 40 128
10th Percentile £41,250 £37,500 £32,938
25th Percentile £48,750 £50,938 £37,500
Median annual salary (50th Percentile) £57,500 £60,000 £60,000
Median % change year-on-year -4.17% - +2.13%
75th Percentile £65,500 £86,250 £65,313
90th Percentile £74,500 £109,125 £75,600
England median annual salary £48,000 £55,000 £42,500
% change year-on-year -12.73% +29.41% -5.56%

Debian 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 London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 5,425 9,313 13,647
As % of all permanent IT jobs advertised in London 17.62% 19.87% 22.34%
Number of salaries quoted 4,413 7,631 11,412
10th Percentile £35,000 £30,500 £30,000
25th Percentile £48,750 £40,750 £41,250
Median annual salary (50th Percentile) £65,000 £60,000 £60,000
Median % change year-on-year +8.33% - +9.09%
75th Percentile £82,500 £76,250 £76,250
90th Percentile £95,000 £91,250 £90,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - -

Debian
Job Vacancy Trend in London

Job postings citing Debian as a proportion of all IT jobs advertised in London.

Job vacancy trend for Debian in London

Debian
Salary Trend in London

3-month moving average salary quoted in jobs citing Debian in London.

Salary trend for Debian in London

Debian
Salary Histogram in London

Salary distribution for jobs citing Debian in London over the 6 months to 11 April 2021.

Salary histogram for Debian in London

Debian
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Debian within the London region over the 6 months to 11 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
South London - 11 £58,500 -
West London +56 3 £48,000 -12.73% 2
Central London +81 2 £51,250 -16.33% 3
East London +18 1 £75,000 - 1
Debian
England

For the 6 months to 11 April 2021, IT jobs citing Debian 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 London region with a requirement for Debian.

1 62 (100.00%) Linux
2 29 (46.77%) Puppet
3 26 (41.94%) Agile Software Development
3 26 (41.94%) Ubuntu
4 25 (40.32%) Firewall
5 22 (35.48%) JavaScript
5 22 (35.48%) AWS
5 22 (35.48%) Open Source
6 21 (33.87%) Windows
6 21 (33.87%) Microsoft
7 20 (32.26%) MySQL
7 20 (32.26%) Apache
7 20 (32.26%) DevOps
8 18 (29.03%) Ansible
8 18 (29.03%) Asterisk PBX
8 18 (29.03%) Bash Shell
8 18 (29.03%) Kamailio
8 18 (29.03%) C
8 18 (29.03%) Perl
9 17 (27.42%) Python
9 17 (27.42%) Degree
9 17 (27.42%) ZABBIX
9 17 (27.42%) KVM
10 16 (25.81%) CentOS
11 15 (24.19%) HAProxy
11 15 (24.19%) Docker
11 15 (24.19%) Analytical Skills
11 15 (24.19%) LAN
11 15 (24.19%) Cisco
12 14 (22.58%) BGP

Debian
Co-occurring IT Skills in London 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 20 (32.26%) Apache
2 14 (22.58%) IIS
2 14 (22.58%) nginx
2 14 (22.58%) Tomcat
3 11 (17.74%) ejabberd
4 9 (14.52%) Confluence
5 5 (8.06%) Drupal
5 5 (8.06%) Facebook Platform
6 3 (4.84%) Elasticsearch
6 3 (4.84%) OpenStack
Applications
1 7 (11.29%) Spreadsheet
Cloud Services
1 22 (35.48%) AWS
2 7 (11.29%) Power Automate
2 7 (11.29%) Power Platform
2 7 (11.29%) SaaS
2 7 (11.29%) Zapier
3 6 (9.68%) Amazon EC2
4 5 (8.06%) DigitalOcean
4 5 (8.06%) Microsoft 365
4 5 (8.06%) Virtual Private Cloud
5 4 (6.45%) Amazon ELB
5 4 (6.45%) Amazon S3
5 4 (6.45%) Azure
5 4 (6.45%) Cloud Computing
5 4 (6.45%) Route 53
6 3 (4.84%) Amazon ECS
6 3 (4.84%) Amazon ElastiCache
6 3 (4.84%) AWS CloudFormation
6 3 (4.84%) AWS Lambda
6 3 (4.84%) CloudFront
6 3 (4.84%) Serverless
Communications & Networking
1 25 (40.32%) Firewall
2 18 (29.03%) Asterisk PBX
3 15 (24.19%) LAN
4 14 (22.58%) BGP
4 14 (22.58%) Diameter Protocol
4 14 (22.58%) Internet
4 14 (22.58%) SNMP
4 14 (22.58%) VPN
5 12 (19.35%) PBX
5 12 (19.35%) VoIP
6 8 (12.90%) SSL
7 7 (11.29%) RTP
8 6 (9.68%) DNS
9 5 (8.06%) DHCP
9 5 (8.06%) HTTPS
9 5 (8.06%) Intrusion Detection
9 5 (8.06%) VLAN
10 3 (4.84%) HTTP
10 3 (4.84%) OpenLDAP
11 2 (3.23%) TCP/IP
Database & Business Intelligence
1 20 (32.26%) MySQL
2 14 (22.58%) SQL Server
3 7 (11.29%) MongoDB
3 7 (11.29%) PostgreSQL
4 6 (9.68%) Amazon RDS
5 3 (4.84%) Amazon DynamoDB
6 2 (3.23%) Big Data
7 1 (1.61%) Amazon QuickSight
7 1 (1.61%) Amazon Redshift
Development Applications
1 11 (17.74%) Git (software)
2 9 (14.52%) Jenkins
2 9 (14.52%) JIRA
3 7 (11.29%) Postman
4 6 (9.68%) Sonatype Nexus
5 5 (8.06%) Selenium
6 3 (4.84%) Bitbucket Server
6 3 (4.84%) Fiddler
7 2 (3.23%) Maven
8 1 (1.61%) Vagrant
General
1 11 (17.74%) Games
2 5 (8.06%) Telecoms
3 2 (3.23%) Law
3 2 (3.23%) Public Sector
4 1 (1.61%) Banking
4 1 (1.61%) Finance
Job Titles
1 15 (24.19%) Systems Engineer
2 13 (20.97%) Network Engineer
3 12 (19.35%) Developer
4 11 (17.74%) DevOps Engineer
4 11 (17.74%) Network Systems Engineer
5 8 (12.90%) Linux Engineer
6 7 (11.29%) Administrator
6 7 (11.29%) VoIP Engineer
7 5 (8.06%) Chief Technology Officer
7 5 (8.06%) Infrastructure Engineer
7 5 (8.06%) Linux DevOps Engineer
7 5 (8.06%) Linux Infrastructure Engineer
7 5 (8.06%) Linux/Unix DevOps
7 5 (8.06%) Python Developer
7 5 (8.06%) Senior Developer
7 5 (8.06%) Senior Python Developer
7 5 (8.06%) Software Engineer
8 4 (6.45%) JavaScript Engineer
8 4 (6.45%) Software Developer
8 4 (6.45%) Systems Administrator
Libraries, Frameworks & Software Standards
1 14 (22.58%) CSS
1 14 (22.58%) HTML
2 11 (17.74%) XMPP
3 9 (14.52%) FreeSWITCH
4 8 (12.90%) WebRTC
5 7 (11.29%) JSON
6 6 (9.68%) LAMP
6 6 (9.68%) LDAP
6 6 (9.68%) Node.js
6 6 (9.68%) Web Services
7 5 (8.06%) AngularJS
7 5 (8.06%) Flask
7 5 (8.06%) LAPP Stack
7 5 (8.06%) Sass
7 5 (8.06%) SQLAlchemy
7 5 (8.06%) Twitter Bootstrap
8 4 (6.45%) Swagger
9 3 (4.84%) YAML
10 1 (1.61%) Laravel
10 1 (1.61%) RESTful
Miscellaneous
1 15 (24.19%) Analytical Skills
2 14 (22.58%) Data Centre
3 13 (20.97%) Linux Command Line
4 7 (11.29%) Media Streaming
5 5 (8.06%) Derivative
5 5 (8.06%) Graphic Design
5 5 (8.06%) Social Media
6 4 (6.45%) Private Cloud
7 3 (4.84%) User Experience
Operating Systems
1 62 (100.00%) Linux
2 26 (41.94%) Ubuntu
3 21 (33.87%) Windows
4 16 (25.81%) CentOS
5 13 (20.97%) Red Hat Enterprise Linux
6 7 (11.29%) Unix
7 3 (4.84%) Android
7 3 (4.84%) Windows Server
7 3 (4.84%) Windows Server 2016
8 2 (3.23%) SUSE
8 2 (3.23%) Windows Server 2012
9 1 (1.61%) Solaris
9 1 (1.61%) VMS
9 1 (1.61%) Windows 10
9 1 (1.61%) Windows Server 2008
Processes & Methodologies
1 26 (41.94%) Agile Software Development
2 22 (35.48%) Open Source
3 20 (32.26%) DevOps
4 14 (22.58%) Architectural Design
4 14 (22.58%) High Availability
4 14 (22.58%) Load Balancing
5 12 (19.35%) Continuous Integration
6 11 (17.74%) Computer Science
6 11 (17.74%) Penetration Testing
6 11 (17.74%) Risk Assessment
7 9 (14.52%) Collaborative Working
7 9 (14.52%) Software Engineering
8 7 (11.29%) Data Modelling
8 7 (11.29%) Functional Testing
8 7 (11.29%) Secure Coding
8 7 (11.29%) Test Automation
9 6 (9.68%) Configuration Management
9 6 (9.68%) Infrastructure Engineering
9 6 (9.68%) Patch Management
10 5 (8.06%) Customer-Centricity
Programming Languages
1 22 (35.48%) JavaScript
2 18 (29.03%) Bash Shell
2 18 (29.03%) C
2 18 (29.03%) Perl
3 17 (27.42%) Python
4 13 (20.97%) PHP
5 9 (14.52%) SQL
6 7 (11.29%) C++
6 7 (11.29%) Lua
7 6 (9.68%) Shell Script
8 4 (6.45%) PowerShell
9 3 (4.84%) ES6
10 2 (3.23%) Ruby
Qualifications
1 17 (27.42%) Degree
2 12 (19.35%) Security Cleared
3 11 (17.74%) Computer Science Degree
4 5 (8.06%) SC Cleared
5 1 (1.61%) MCDST
5 1 (1.61%) MCITP
5 1 (1.61%) MCP
5 1 (1.61%) MCSA
5 1 (1.61%) MCSE
5 1 (1.61%) Microsoft Certification
Quality Assurance & Compliance
1 4 (6.45%) SLA
2 2 (3.23%) ISO/IEC 27001
System Software
1 18 (29.03%) Kamailio
2 17 (27.42%) KVM
3 15 (24.19%) Docker
4 14 (22.58%) iptables
4 14 (22.58%) QEMU
5 11 (17.74%) Postfix
6 7 (11.29%) OpenSIPS
7 5 (8.06%) Virtual Machines
7 5 (8.06%) VMware Infrastructure
8 1 (1.61%) Active Directory
8 1 (1.61%) Ceph
8 1 (1.61%) GlusterFS
8 1 (1.61%) Lustre
8 1 (1.61%) NFS
8 1 (1.61%) Samba
Systems Management
1 29 (46.77%) Puppet
2 18 (29.03%) Ansible
3 17 (27.42%) ZABBIX
4 15 (24.19%) HAProxy
5 14 (22.58%) Galera Cluster
6 11 (17.74%) Kubernetes
7 8 (12.90%) Opscode Chef
8 5 (8.06%) Docker Swarm
8 5 (8.06%) Nessus
9 3 (4.84%) Prometheus
9 3 (4.84%) Terraform
10 1 (1.61%) Kibana
Vendors
1 21 (33.87%) Microsoft
2 15 (24.19%) Cisco
3 14 (22.58%) GENBAND
3 14 (22.58%) HP
3 14 (22.58%) Juniper
3 14 (22.58%) Mitel
3 14 (22.58%) Percona
3 14 (22.58%) SonicWALL
4 13 (20.97%) VMware
5 11 (17.74%) Nortel
6 5 (8.06%) Facebook
6 5 (8.06%) Red Hat
7 4 (6.45%) MuleSoft
7 4 (6.45%) Salesforce.com
8 3 (4.84%) Sophos
9 2 (3.23%) Google
9 2 (3.23%) Oracle
10 1 (1.61%) Bloomberg
10 1 (1.61%) Kofax
10 1 (1.61%) Reuters