Period
to 25 February 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 25 February 2018 with a comparison to the same period in the previous 2 years.

Debian Linux
Central London > City of London
6 months to
25 Feb 2018
Same period 2017 Same period 2016
Rank 323 318 344
Rank change year-on-year -5 +26 +57
Permanent jobs citing Debian 15 27 46
As % of all permanent IT jobs advertised in the City of London 0.14% 0.26% 0.33%
As % of the Operating Systems category 0.63% 1.04% 1.30%
Number of salaries quoted 15 27 38
City of London median annual salary £40,500 £45,000 £57,500
Median salary % change year-on-year -10.00% -21.74% +21.05%
10th Percentile £37,000 £41,267 £36,250
90th Percentile £73,500 £67,500 £81,500
Central London median annual salary £42,750 £45,000 £57,500
% change year-on-year -5.00% -21.74% +21.05%

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 2,366 2,589 3,532
As % of all permanent IT jobs advertised in the City of London 22.27% 24.90% 25.23%
Number of salaries quoted 2,155 2,346 3,119
City of London median annual salary £58,500 £57,500 £55,000
Median salary % change year-on-year +1.74% +4.55% +6.80%
10th Percentile £31,250 £29,750 £30,000
90th Percentile £87,500 £92,500 £86,250
Central London median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

Debian
Job Vacancy Trend in the City of London

Job postings citing Debian as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Debian in the City of London

Debian
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Debian in the City of London.

Salary trend for Debian in the City of London

Debian
Salary Histogram in the City of London

The salary distribution of IT jobs citing Debian in the City of London over the 6 months to 25 February 2018.

Salary histogram for Debian in the City of London

For the 6 months to 25 February 2018, 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 City of London region with a requirement for Debian.

1 15 (100.00%) Linux
2 11 (73.33%) Ubuntu
3 9 (60.00%) Windows
4 7 (46.67%) Firewall
4 7 (46.67%) Red Hat
4 7 (46.67%) MySQL
4 7 (46.67%) CentOS
4 7 (46.67%) Red Hat Enterprise Linux
4 7 (46.67%) Amazon AWS
4 7 (46.67%) DevOps
5 6 (40.00%) LogRhythm
5 6 (40.00%) OpenVAS
5 6 (40.00%) Kali Linux
5 6 (40.00%) Palo Alto
5 6 (40.00%) RHCSA
5 6 (40.00%) Cisco Wireless
5 6 (40.00%) AlienVault
5 6 (40.00%) CREST Certified
5 6 (40.00%) SANS
5 6 (40.00%) Extreme Networks
5 6 (40.00%) Two-Factor Authentication
5 6 (40.00%) Multi-Factor Authentication
5 6 (40.00%) Linux Command Line
5 6 (40.00%) ForeScout
5 6 (40.00%) Bash Shell
5 6 (40.00%) OSSEC
5 6 (40.00%) Aruba
5 6 (40.00%) OpenVPN
5 6 (40.00%) PKI
5 6 (40.00%) Cisco ASA

Debian
Co-occurring IT Skills in the City of 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 4 (26.67%) Apache
1 4 (26.67%) Elasticsearch
2 2 (13.33%) IIS
3 1 (6.67%) nginx
Business Applications
1 2 (13.33%) Dynamics NAV
Cloud Services
1 7 (46.67%) Amazon AWS
2 3 (20.00%) AWS CloudFormation
3 2 (13.33%) Amazon ElastiCache
Communications & Networking
1 7 (46.67%) Firewall
2 6 (40.00%) Cisco ASA
2 6 (40.00%) Cisco ISE
2 6 (40.00%) Cisco Wireless
2 6 (40.00%) IPsec
2 6 (40.00%) OpenVPN
2 6 (40.00%) VPN
2 6 (40.00%) Wireless
3 1 (6.67%) DNS
3 1 (6.67%) VLAN
Database & Business Intelligence
1 7 (46.67%) MySQL
2 2 (13.33%) Amazon DynamoDB
2 2 (13.33%) MongoDB
2 2 (13.33%) SQL Server
Development Applications
1 6 (40.00%) Jenkins
2 1 (6.67%) Atlassian Bamboo
2 1 (6.67%) CMake
2 1 (6.67%) Git (software)
2 1 (6.67%) Maven
2 1 (6.67%) MSBuild
2 1 (6.67%) NuGet
2 1 (6.67%) Selenium
General
1 1 (6.67%) Finance
Job Titles
1 6 (40.00%) Analyst
1 6 (40.00%) DevOps Engineer
1 6 (40.00%) Firewall Analyst
1 6 (40.00%) Security Analyst
1 6 (40.00%) SIEM Analyst
2 5 (33.33%) IT Analyst
2 5 (33.33%) IT Security Analyst
3 3 (20.00%) Administrator
3 3 (20.00%) Senior DevOps
3 3 (20.00%) Senior DevOps Engineer
4 2 (13.33%) AWS DevOps
4 2 (13.33%) AWS DevOps Engineer
4 2 (13.33%) AWS Engineer
4 2 (13.33%) Linux Administrator
4 2 (13.33%) Linux Systems Administrator
4 2 (13.33%) Systems Administrator
5 1 (6.67%) C++ Software Engineer
5 1 (6.67%) Software Test Engineer
5 1 (6.67%) Software Tester
5 1 (6.67%) Test Engineer
Libraries, Frameworks & Software Standards
1 5 (33.33%) LAMP
2 2 (13.33%) .NET
2 2 (13.33%) AngularJS
2 2 (13.33%) Celery
2 2 (13.33%) CSS
2 2 (13.33%) Django
2 2 (13.33%) HTML
2 2 (13.33%) RabbitMQ
2 2 (13.33%) Web Services
3 1 (6.67%) LEMP Stack
Miscellaneous
1 6 (40.00%) Linux Command Line
1 6 (40.00%) PKI
2 2 (13.33%) Replication
3 1 (6.67%) Data Centre
Operating Systems
1 15 (100.00%) Linux
2 11 (73.33%) Ubuntu
3 9 (60.00%) Windows
4 7 (46.67%) CentOS
4 7 (46.67%) Red Hat Enterprise Linux
5 6 (40.00%) Kali Linux
6 2 (13.33%) Windows Server
Processes & Methodologies
1 7 (46.67%) DevOps
2 6 (40.00%) Multi-Factor Authentication
2 6 (40.00%) SIEM
2 6 (40.00%) Two-Factor Authentication
2 6 (40.00%) Vulnerability Management
3 2 (13.33%) Agile Software Development
3 2 (13.33%) E-Commerce
3 2 (13.33%) Performance Tuning
3 2 (13.33%) Scrum
4 1 (6.67%) Capacity Planning
4 1 (6.67%) Continuous Delivery
4 1 (6.67%) Cybersecurity
4 1 (6.67%) MVC
4 1 (6.67%) Server Monitoring
4 1 (6.67%) Software Engineering
4 1 (6.67%) Software Testing
4 1 (6.67%) Test Automation
4 1 (6.67%) Virtual Infrastructure
Programming Languages
1 6 (40.00%) Bash Shell
2 5 (33.33%) Python
3 4 (26.67%) PHP
4 3 (20.00%) JavaScript
5 2 (13.33%) C#
5 2 (13.33%) PowerShell
6 1 (6.67%) C++
Qualifications
1 6 (40.00%) CEH
1 6 (40.00%) CISSP
1 6 (40.00%) CREST Certified
1 6 (40.00%) GIAC
1 6 (40.00%) Linux+ Certification
1 6 (40.00%) LPIC
1 6 (40.00%) RHCA
1 6 (40.00%) RHCE
1 6 (40.00%) RHCSA
1 6 (40.00%) SANS
1 6 (40.00%) SC Cleared
1 6 (40.00%) Security Cleared
2 1 (6.67%) Degree
Quality Assurance & Compliance
1 6 (40.00%) ISO/IEC 27001
1 6 (40.00%) PCI DSS
2 1 (6.67%) QA
System Software
1 6 (40.00%) pfSense
1 6 (40.00%) Snort
2 3 (20.00%) Docker
Systems Management
1 6 (40.00%) FortiGate
1 6 (40.00%) Nessus
1 6 (40.00%) OpenVAS
1 6 (40.00%) OSSEC
2 5 (33.33%) Puppet
3 4 (26.67%) Nagios
4 3 (20.00%) Ansible
4 3 (20.00%) Terraform
5 2 (13.33%) Opscode Chef
Vendors
1 7 (46.67%) Red Hat
2 6 (40.00%) AlienVault
2 6 (40.00%) Aruba
2 6 (40.00%) CheckPoint
2 6 (40.00%) Cisco
2 6 (40.00%) Extreme Networks
2 6 (40.00%) F5
2 6 (40.00%) ForeScout
2 6 (40.00%) Fortinet
2 6 (40.00%) HP
2 6 (40.00%) Juniper
2 6 (40.00%) LogRhythm
2 6 (40.00%) McAfee
2 6 (40.00%) Microsoft
2 6 (40.00%) Palo Alto
2 6 (40.00%) SonicWALL
2 6 (40.00%) Sourcefire
2 6 (40.00%) WatchGuard
3 2 (13.33%) Oracle
3 2 (13.33%) VMware