Period
to 13 December 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 13 December 2017 with a comparison to the same period in the previous 2 years.

Debian Linux
Central London > City of London
6 months to
13 Dec 2017
Same period 2016 Same period 2015
Rank 314 321 358
Rank change year-on-year +7 +37 +60
Permanent jobs citing Debian 21 26 52
As % of all permanent IT jobs advertised in the City of London 0.20% 0.23% 0.32%
As % of the Operating Systems category 0.89% 0.93% 1.26%
Number of salaries quoted 21 26 39
City of London median annual salary £42,000 £46,250 £62,500
Median salary % change year-on-year -9.19% -26.00% +13.64%
10th Percentile £37,000 £40,000 £35,750
90th Percentile £71,250 £67,500 £76,950
Central London median annual salary £42,500 £51,250 £60,000
% change year-on-year -17.07% -14.58% +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 2369 2807 4143
As % of all permanent IT jobs advertised in the City of London 22.81% 24.69% 25.77%
Number of salaries quoted 2152 2545 3606
City of London median annual salary £55,000 £57,500 £52,500
Median salary % change year-on-year -4.35% +9.52% +1.94%
10th Percentile £31,250 £30,600 £28,750
90th Percentile £86,250 £91,250 £85,000
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 13 December 2017.

Salary histogram for Debian in the City of London

For the 6 months to 13 December 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 21 (100.00%) Linux
2 16 (76.19%) DevOps
3 13 (61.90%) Ubuntu
4 10 (47.62%) Puppet
4 10 (47.62%) Jenkins
5 9 (42.86%) Python
6 7 (33.33%) Nagios
7 6 (28.57%) Maven
7 6 (28.57%) VLAN
7 6 (28.57%) DNS
7 6 (28.57%) C++
7 6 (28.57%) Digital Media
7 6 (28.57%) MSBuild
7 6 (28.57%) CMake
7 6 (28.57%) NuGet
7 6 (28.57%) Bash Shell
7 6 (28.57%) Test Automation
7 6 (28.57%) QA
7 6 (28.57%) Selenium
7 6 (28.57%) Continuous Delivery
8 5 (23.81%) MySQL
8 5 (23.81%) Windows
9 4 (19.05%) Software Testing
9 4 (19.05%) Firewall
9 4 (19.05%) Ansible
9 4 (19.05%) CentOS
9 4 (19.05%) Amazon AWS
9 4 (19.05%) Linux Command Line
10 3 (14.29%) Terraform
10 3 (14.29%) Extreme Networks

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 (14.29%) Elasticsearch
2 1 (4.76%) Apache
2 1 (4.76%) nginx
Cloud Services
1 4 (19.05%) Amazon AWS
2 3 (14.29%) Amazon ElastiCache
Communications & Networking
1 6 (28.57%) DNS
1 6 (28.57%) VLAN
2 4 (19.05%) Firewall
3 3 (14.29%) Cisco ASA
3 3 (14.29%) Cisco Wireless
3 3 (14.29%) IPsec
3 3 (14.29%) VPN
3 3 (14.29%) Wireless
4 2 (9.52%) Cisco ISE
4 2 (9.52%) OpenVPN
5 1 (4.76%) HTTP
5 1 (4.76%) HTTPS
5 1 (4.76%) Network Security
5 1 (4.76%) TCP/IP
Database & Business Intelligence
1 5 (23.81%) MySQL
2 3 (14.29%) Amazon DynamoDB
Development Applications
1 10 (47.62%) Jenkins
2 6 (28.57%) CMake
2 6 (28.57%) Maven
2 6 (28.57%) MSBuild
2 6 (28.57%) NuGet
2 6 (28.57%) Selenium
3 1 (4.76%) Atlassian Bamboo
Job Titles
1 9 (42.86%) Administrator
2 8 (38.10%) Systems Administrator
3 7 (33.33%) Linux Administrator
3 7 (33.33%) Linux Systems Administrator
4 4 (19.05%) DevOps Engineer
4 4 (19.05%) Senior DevOps
4 4 (19.05%) Senior DevOps Engineer
4 4 (19.05%) Software Tester
4 4 (19.05%) Tester
5 3 (14.29%) Analyst
5 3 (14.29%) AWS DevOps
5 3 (14.29%) AWS DevOps Engineer
5 3 (14.29%) AWS Engineer
6 2 (9.52%) C++ Software Engineer
6 2 (9.52%) Firewall Analyst
6 2 (9.52%) Security Analyst
6 2 (9.52%) SIEM Analyst
6 2 (9.52%) Software Engineer
6 2 (9.52%) Software Test Engineer
6 2 (9.52%) Test Engineer
Libraries, Frameworks & Software Standards
1 2 (9.52%) LAMP
2 1 (4.76%) Elastic Stack
2 1 (4.76%) LEMP Stack
2 1 (4.76%) Sensu
Miscellaneous
1 6 (28.57%) Digital Media
2 4 (19.05%) Linux Command Line
3 3 (14.29%) PKI
4 1 (4.76%) Data Centre
4 1 (4.76%) Replication
Operating Systems
1 21 (100.00%) Linux
2 13 (61.90%) Ubuntu
3 5 (23.81%) Windows
4 4 (19.05%) CentOS
5 3 (14.29%) Kali Linux
5 3 (14.29%) Red Hat Enterprise Linux
6 1 (4.76%) FreeBSD
6 1 (4.76%) Mac OS
Processes & Methodologies
1 16 (76.19%) DevOps
2 6 (28.57%) Continuous Delivery
2 6 (28.57%) Test Automation
3 4 (19.05%) Software Testing
4 3 (14.29%) Multi-Factor Authentication
4 3 (14.29%) SIEM
4 3 (14.29%) Two-Factor Authentication
4 3 (14.29%) Vulnerability Management
5 2 (9.52%) Capacity Planning
5 2 (9.52%) Software Engineering
6 1 (4.76%) Configuration Management
6 1 (4.76%) Cryptography
6 1 (4.76%) Cybersecurity
6 1 (4.76%) Performance Tuning
6 1 (4.76%) Product Management
6 1 (4.76%) Project Management
6 1 (4.76%) Security Operations
Programming Languages
1 9 (42.86%) Python
2 6 (28.57%) Bash Shell
2 6 (28.57%) C++
3 3 (14.29%) PowerShell
4 2 (9.52%) Ruby
5 1 (4.76%) C-shell
5 1 (4.76%) Java
5 1 (4.76%) Korn
5 1 (4.76%) Perl
5 1 (4.76%) PHP
Qualifications
1 3 (14.29%) CEH
1 3 (14.29%) CISSP
1 3 (14.29%) CREST Certified
1 3 (14.29%) GIAC
1 3 (14.29%) Linux+ Certification
1 3 (14.29%) LPIC
1 3 (14.29%) RHCA
1 3 (14.29%) RHCE
1 3 (14.29%) RHCSA
1 3 (14.29%) SANS
1 3 (14.29%) SC Cleared
1 3 (14.29%) Security Cleared
2 1 (4.76%) Degree
Quality Assurance & Compliance
1 6 (28.57%) QA
2 3 (14.29%) ISO/IEC 27001
2 3 (14.29%) PCI DSS
System Software
1 3 (14.29%) Docker
1 3 (14.29%) pfSense
2 2 (9.52%) Snort
Systems Management
1 10 (47.62%) Puppet
2 7 (33.33%) Nagios
3 4 (19.05%) Ansible
4 3 (14.29%) FortiGate
4 3 (14.29%) Opscode Chef
4 3 (14.29%) Terraform
5 2 (9.52%) Nessus
5 2 (9.52%) OpenVAS
5 2 (9.52%) OSSEC
6 1 (4.76%) collectd
6 1 (4.76%) Graphite
6 1 (4.76%) OpenNMS
Vendors
1 3 (14.29%) Aruba
1 3 (14.29%) CheckPoint
1 3 (14.29%) Cisco
1 3 (14.29%) Extreme Networks
1 3 (14.29%) F5
1 3 (14.29%) Fortinet
1 3 (14.29%) Juniper
1 3 (14.29%) Oracle
1 3 (14.29%) Palo Alto
1 3 (14.29%) Red Hat
1 3 (14.29%) SonicWALL
1 3 (14.29%) VMware
1 3 (14.29%) WatchGuard
2 2 (9.52%) AlienVault
2 2 (9.52%) ForeScout
2 2 (9.52%) HP
2 2 (9.52%) LogRhythm
2 2 (9.52%) McAfee
2 2 (9.52%) Microsoft
2 2 (9.52%) Sourcefire