Period
to 24 October 2017

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 24 October 2017 with a comparison to the same period in the previous 2 years.

Debian Linux
Central London > City of London
6 months to
24 Oct 2017
Same period 2016 Same period 2015
Rank 299 335 362
Rank change year-on-year +36 +27 +64
Permanent jobs citing Debian 27 17 63
As % of all permanent IT jobs advertised in the City of London 0.27% 0.14% 0.35%
As % of the Operating Systems category 1.12% 0.57% 1.41%
Number of salaries quoted 27 16 46
City of London median annual salary £42,000 £46,250 £50,000
Median salary % change year-on-year -9.19% -7.50% -9.09%
10th Percentile £37,000 £40,000 £33,125
90th Percentile £70,000 £67,500 £75,000
Central London median annual salary £42,000 £55,000 £50,000
% change year-on-year -23.64% +10.00% -9.09%

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 2416 2977 4474
As % of all permanent IT jobs advertised in the City of London 24.04% 24.97% 25.07%
Number of salaries quoted 2176 2691 3886
City of London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £30,750 £31,000 £29,000
90th Percentile £86,250 £85,000 £81,250
Central London median annual salary £55,000 £52,500 £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 24 October 2017.

Salary histogram for Debian in the City of London

For the 6 months to 24 October 2017, IT jobs citing Debian also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Debian.

1 27 (100.00%) Linux
2 19 (70.37%) Ubuntu
3 15 (55.56%) DevOps
4 13 (48.15%) Python
5 11 (40.74%) Puppet
6 9 (33.33%) Bash Shell
6 9 (33.33%) Jenkins
6 9 (33.33%) Windows
6 9 (33.33%) Linux Command Line
7 8 (29.63%) Two-Factor Authentication
7 8 (29.63%) Multi-Factor Authentication
7 8 (29.63%) pfSense
7 8 (29.63%) Kali Linux
7 8 (29.63%) Cisco
7 8 (29.63%) VPN
7 8 (29.63%) Juniper
7 8 (29.63%) Red Hat
7 8 (29.63%) Firewall
7 8 (29.63%) SIEM
7 8 (29.63%) Vulnerability Management
7 8 (29.63%) CentOS
7 8 (29.63%) Red Hat Enterprise Linux
7 8 (29.63%) PKI
7 8 (29.63%) ISO/IEC 27001
7 8 (29.63%) PCI DSS
8 7 (25.93%) Ruby
9 6 (22.22%) Nagios
9 6 (22.22%) DNS
9 6 (22.22%) TCP/IP
9 6 (22.22%) C++

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 3 (11.11%) Elasticsearch
2 2 (7.41%) Apache
2 2 (7.41%) Foswiki
2 2 (7.41%) WordPress
Cloud Services
1 3 (11.11%) Amazon AWS
1 3 (11.11%) Amazon ElastiCache
Communications & Networking
1 8 (29.63%) Firewall
1 8 (29.63%) VPN
2 6 (22.22%) DNS
2 6 (22.22%) TCP/IP
2 6 (22.22%) VLAN
3 5 (18.52%) Cisco ASA
3 5 (18.52%) Cisco Wireless
3 5 (18.52%) HTTP
3 5 (18.52%) HTTPS
3 5 (18.52%) IPsec
3 5 (18.52%) Network Security
3 5 (18.52%) Wireless
4 3 (11.11%) Cisco ISE
5 2 (7.41%) Internet
6 1 (3.70%) Multicast
Database & Business Intelligence
1 5 (18.52%) MySQL
2 3 (11.11%) Amazon DynamoDB
3 2 (7.41%) Big Data
Development Applications
1 9 (33.33%) Jenkins
2 6 (22.22%) CMake
2 6 (22.22%) Maven
2 6 (22.22%) MSBuild
2 6 (22.22%) NuGet
2 6 (22.22%) Selenium
3 2 (7.41%) JIRA
3 2 (7.41%) Phabricator
General
1 3 (11.11%) Finance
2 2 (7.41%) Financial Institution
Job Titles
1 7 (25.93%) Administrator
1 7 (25.93%) Systems Administrator
2 6 (22.22%) Linux Administrator
2 6 (22.22%) Linux Systems Administrator
3 5 (18.52%) Analyst
4 4 (14.81%) Firewall Analyst
4 4 (14.81%) Linux Engineer
4 4 (14.81%) Security Analyst
4 4 (14.81%) Software Tester
4 4 (14.81%) Tester
5 3 (11.11%) AWS DevOps
5 3 (11.11%) AWS DevOps Engineer
5 3 (11.11%) AWS Engineer
5 3 (11.11%) Developer
5 3 (11.11%) DevOps Engineer
5 3 (11.11%) IT Analyst
5 3 (11.11%) IT Security Analyst
5 3 (11.11%) Security Engineer
5 3 (11.11%) Senior DevOps
5 3 (11.11%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 2 (7.41%) Ajax
1 2 (7.41%) CSS
1 2 (7.41%) Ext JS
1 2 (7.41%) HTML
1 2 (7.41%) LAMP
1 2 (7.41%) Laravel
2 1 (3.70%) Elastic Stack
2 1 (3.70%) Sensu
Miscellaneous
1 9 (33.33%) Linux Command Line
2 8 (29.63%) PKI
3 6 (22.22%) Digital Media
4 3 (11.11%) Data Centre
4 3 (11.11%) Hedge funds
5 2 (7.41%) Data Structures
5 2 (7.41%) Fintech
5 2 (7.41%) Replication
6 1 (3.70%) Computer Science
Operating Systems
1 27 (100.00%) Linux
2 19 (70.37%) Ubuntu
3 9 (33.33%) Windows
4 8 (29.63%) CentOS
4 8 (29.63%) Kali Linux
4 8 (29.63%) Red Hat Enterprise Linux
5 1 (3.70%) FreeBSD
5 1 (3.70%) Mac OS
Processes & Methodologies
1 15 (55.56%) DevOps
2 8 (29.63%) Multi-Factor Authentication
2 8 (29.63%) SIEM
2 8 (29.63%) Two-Factor Authentication
2 8 (29.63%) Vulnerability Management
3 6 (22.22%) Continuous Delivery
3 6 (22.22%) Test Automation
4 5 (18.52%) Cryptography
4 5 (18.52%) Security Operations
5 4 (14.81%) Software Testing
6 3 (11.11%) Software Engineering
7 2 (7.41%) Agile Software Development
7 2 (7.41%) Continuous Improvement
7 2 (7.41%) Data Integration
7 2 (7.41%) Data Modelling
7 2 (7.41%) Mentoring
7 2 (7.41%) OO
7 2 (7.41%) Process Improvement
7 2 (7.41%) Scrum
8 1 (3.70%) Systematic Trading
Programming Languages
1 13 (48.15%) Python
2 9 (33.33%) Bash Shell
3 7 (25.93%) Ruby
4 6 (22.22%) C++
5 5 (18.52%) C-shell
5 5 (18.52%) Java
5 5 (18.52%) Korn
6 3 (11.11%) Perl
6 3 (11.11%) PowerShell
7 2 (7.41%) JavaScript
7 2 (7.41%) PHP
7 2 (7.41%) SQL
Qualifications
1 5 (18.52%) CEH
1 5 (18.52%) CISSP
1 5 (18.52%) CREST Certified
1 5 (18.52%) GIAC
1 5 (18.52%) Linux+ Certification
1 5 (18.52%) LPIC
1 5 (18.52%) RHCA
1 5 (18.52%) RHCE
1 5 (18.52%) RHCSA
1 5 (18.52%) SANS
1 5 (18.52%) SC Cleared
1 5 (18.52%) Security Cleared
2 3 (11.11%) CCDP
2 3 (11.11%) CCNP
2 3 (11.11%) CCSP
2 3 (11.11%) CESG Certified Professional
2 3 (11.11%) Cisco Certification
2 3 (11.11%) Degree
Quality Assurance & Compliance
1 8 (29.63%) ISO/IEC 27001
1 8 (29.63%) PCI DSS
2 6 (22.22%) QA
System Software
1 8 (29.63%) pfSense
2 3 (11.11%) Docker
2 3 (11.11%) Snort
Systems Management
1 11 (40.74%) Puppet
2 6 (22.22%) Nagios
3 5 (18.52%) FortiGate
4 3 (11.11%) Ansible
4 3 (11.11%) Nessus
4 3 (11.11%) Opscode Chef
4 3 (11.11%) OSSEC
4 3 (11.11%) QRadar
4 3 (11.11%) Terraform
5 1 (3.70%) collectd
5 1 (3.70%) Graphite
5 1 (3.70%) OpenNMS
Vendors
1 8 (29.63%) Cisco
1 8 (29.63%) Juniper
1 8 (29.63%) Red Hat
2 5 (18.52%) Aruba
2 5 (18.52%) CheckPoint
2 5 (18.52%) Extreme Networks
2 5 (18.52%) F5
2 5 (18.52%) Fortinet
2 5 (18.52%) Palo Alto
2 5 (18.52%) SonicWALL
2 5 (18.52%) WatchGuard
3 3 (11.11%) AlienVault
3 3 (11.11%) ForeScout
3 3 (11.11%) LogRhythm
3 3 (11.11%) McAfee
3 3 (11.11%) Microsoft
3 3 (11.11%) Oracle
3 3 (11.11%) Sourcefire
3 3 (11.11%) VMware
4 2 (7.41%) Sencha