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 3 months to 26 May 2017 with a comparison to the same period in the previous 2 years.

Debian Linux
London / City of London
3 months to
26 May 2017
Same period 2016 Same period 2015
Rank 205 242 266
Rank change year-on-year +37 +24  
Permanent jobs citing Debian 29 12 55
As % of all permanent IT jobs advertised in the City of London 0.54% 0.18% 0.55%
As % of the Operating Systems category 2.04% 0.70% 2.21%
Number of salaries quoted 29 10 47
Median salary £40,500 £60,000 £47,500
Median salary % change year-on-year -32.50% +26.31%  
90% offered a salary of more than £38,000 £42,250 £37,500
10% offered a salary of more than £72,500 £85,000 £53,500
UK excluding London median salary £40,500 £35,000 £40,000
% change year-on-year +15.71% -12.50%  

Debian is in the operating system skills category. The next 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.

Operating System Skills
City of London
Permanent job vacancies with a requirement for operating system skills 1423 1724 2494
As % of all permanent IT job vacancies advertised in the City of London 26.62% 26.43% 24.83%
Number of salaries quoted 1266 1584 2176
Median salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00%  
90% offered a salary of more than £30,000 £30,000 £30,000
10% offered a salary of more than £85,000 £70,000 £80,000
UK excluding London median salary £37,500 £37,500 £37,500

Debian
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Debian as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

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 3 months to 26 May 2017.

Salary histogram for Debian in the City of London

For the 6 months to 26 May 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 44 (100.00%) Linux
2 38 (86.36%) Ubuntu
3 27 (61.36%) Red Hat
4 24 (54.55%) Windows
5 23 (52.27%) MySQL
5 23 (52.27%) Red Hat Enterprise Linux
6 20 (45.45%) CentOS
7 18 (40.91%) VMware
8 16 (36.36%) Firewall
9 15 (34.09%) Juniper
9 15 (34.09%) Cisco
9 15 (34.09%) PCI DSS
9 15 (34.09%) ISO/IEC 27001
9 15 (34.09%) Puppet
9 15 (34.09%) SIEM
9 15 (34.09%) Vulnerability Management
10 14 (31.82%) Apache
10 14 (31.82%) Oracle
11 13 (29.55%) VPN
11 13 (29.55%) McAfee
11 13 (29.55%) PKI
11 13 (29.55%) Bash Shell
11 13 (29.55%) Amazon AWS
11 13 (29.55%) LogRhythm
11 13 (29.55%) Two-Factor Authentication
11 13 (29.55%) Multi-Factor Authentication
11 13 (29.55%) Linux Command Line
12 12 (27.27%) Continuous Improvement
12 12 (27.27%) VMware Infrastructure
12 12 (27.27%) SQL

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 14 (31.82%) Apache
2 9 (20.45%) IIS
3 8 (18.18%) Alfresco
3 8 (18.18%) Tomcat
4 6 (13.64%) Elasticsearch
5 4 (9.09%) Foswiki
5 4 (9.09%) WordPress
6 2 (4.55%) nginx
6 2 (4.55%) OpenStack
Cloud Services
1 13 (29.55%) Amazon AWS
2 8 (18.18%) G Suite
3 6 (13.64%) Amazon ElastiCache
4 2 (4.55%) Office 365
5 1 (2.27%) Amazon EC2
5 1 (2.27%) Bluemix
5 1 (2.27%) Datadog
5 1 (2.27%) Heroku
5 1 (2.27%) IBM Cloud
5 1 (2.27%) Microsoft Azure
Communications & Networking
1 16 (36.36%) Firewall
2 13 (29.55%) VPN
3 11 (25.00%) Cisco ISE
4 10 (22.73%) NetScaler
5 5 (11.36%) Internet
6 4 (9.09%) Cisco ASA
6 4 (9.09%) Network Security
7 3 (6.82%) DNS
8 2 (4.55%) Cisco Wireless
8 2 (4.55%) SAN
8 2 (4.55%) Spanning Tree
8 2 (4.55%) Wireless
9 1 (2.27%) DHCP
9 1 (2.27%) HTTP
9 1 (2.27%) IMAP
9 1 (2.27%) LAN
9 1 (2.27%) Multicast
9 1 (2.27%) SMTP
9 1 (2.27%) TCP/IP
9 1 (2.27%) WAN
Database & Business Intelligence
1 23 (52.27%) MySQL
2 8 (18.18%) Oracle Database
2 8 (18.18%) Oracle Database 11g
2 8 (18.18%) SQL Server
3 6 (13.64%) Amazon DynamoDB
4 4 (9.09%) Big Data
4 4 (9.09%) Redis
Development Applications
1 11 (25.00%) Jenkins
2 8 (18.18%) JIRA
3 5 (11.36%) Git (software)
4 4 (9.09%) Phabricator
5 1 (2.27%) GoCD
5 1 (2.27%) Travis CI
General
1 5 (11.36%) Finance
2 4 (9.09%) Financial Institution
Job Titles
1 11 (25.00%) DevOps Engineer
2 10 (22.73%) Analyst
2 10 (22.73%) Firewall Analyst
2 10 (22.73%) Security Analyst
3 8 (18.18%) IT Analyst
3 8 (18.18%) IT Security Analyst
3 8 (18.18%) Unix Specialist
4 7 (15.91%) Senior DevOps
4 7 (15.91%) Senior DevOps Engineer
5 6 (13.64%) Linux Engineer
6 5 (11.36%) SOC Analyst
7 4 (9.09%) Developer
7 4 (9.09%) HTML CSS Developer
7 4 (9.09%) HTML Developer
7 4 (9.09%) JavaScript Developer
7 4 (9.09%) PHP Developer
7 4 (9.09%) SQL Developer
8 3 (6.82%) Administrator
8 3 (6.82%) Infrastructure Engineer
8 3 (6.82%) Systems Administrator
Libraries, Frameworks & Software Standards
1 8 (18.18%) LAMP
2 5 (11.36%) RabbitMQ
3 4 (9.09%) ActiveMQ
3 4 (9.09%) Ajax
3 4 (9.09%) CSS
3 4 (9.09%) Ext JS
3 4 (9.09%) HTML
3 4 (9.09%) Kafka
3 4 (9.09%) Laravel
4 1 (2.27%) Node.js
4 1 (2.27%) Sphinx
4 1 (2.27%) Web Services
4 1 (2.27%) WebSockets
Miscellaneous
1 13 (29.55%) Linux Command Line
1 13 (29.55%) PKI
2 11 (25.00%) Data Centre
3 8 (18.18%) EMC VNX
4 6 (13.64%) Fintech
5 5 (11.36%) Hedge funds
6 4 (9.09%) Data Structures
6 4 (9.09%) Replication
7 2 (4.55%) Management Information System
8 1 (2.27%) Computer Science
8 1 (2.27%) Driving Licence
8 1 (2.27%) Public Cloud
8 1 (2.27%) Xbox
Operating Systems
1 44 (100.00%) Linux
2 38 (86.36%) Ubuntu
3 24 (54.55%) Windows
4 23 (52.27%) Red Hat Enterprise Linux
5 20 (45.45%) CentOS
6 11 (25.00%) Kali Linux
7 9 (20.45%) Unix
8 8 (18.18%) Mac OS X
8 8 (18.18%) NetWare
8 8 (18.18%) SUSE
9 3 (6.82%) Windows Server
10 2 (4.55%) Fedora
10 2 (4.55%) Solaris
10 2 (4.55%) Windows Server 2008
10 2 (4.55%) Windows Server 2012
Processes & Methodologies
1 15 (34.09%) SIEM
1 15 (34.09%) Vulnerability Management
2 13 (29.55%) Multi-Factor Authentication
2 13 (29.55%) Two-Factor Authentication
3 12 (27.27%) Continuous Improvement
4 11 (25.00%) DevOps
5 8 (18.18%) Business Continuity
5 8 (18.18%) Change Control
5 8 (18.18%) Document Management
5 8 (18.18%) ITIL
5 8 (18.18%) PRINCE2
5 8 (18.18%) Project Management
5 8 (18.18%) Quality Management
5 8 (18.18%) Strategic Planning
5 8 (18.18%) Virtual Infrastructure
6 7 (15.91%) Configuration Management
7 6 (13.64%) Agile Software Development
8 4 (9.09%) Cybersecurity
8 4 (9.09%) Data Integration
8 4 (9.09%) Process Improvement
Programming Languages
1 13 (29.55%) Bash Shell
2 12 (27.27%) SQL
3 9 (20.45%) Python
4 8 (18.18%) Perl
5 6 (13.64%) PowerShell
6 5 (11.36%) PHP
7 4 (9.09%) JavaScript
8 1 (2.27%) C
8 1 (2.27%) C++
8 1 (2.27%) Ruby
8 1 (2.27%) Shell Script
Qualifications
1 11 (25.00%) CCDP
1 11 (25.00%) CCNP
1 11 (25.00%) CCSP
1 11 (25.00%) CESG Certified Professional
1 11 (25.00%) Cisco Certification
2 5 (11.36%) Degree
3 2 (4.55%) Linux+ Certification
3 2 (4.55%) LPIC
3 2 (4.55%) RHCA
3 2 (4.55%) RHCE
3 2 (4.55%) RHCSA
3 2 (4.55%) Security Cleared
Quality Assurance & Compliance
1 15 (34.09%) ISO/IEC 27001
1 15 (34.09%) PCI DSS
System Software
1 12 (27.27%) VMware Infrastructure
2 11 (25.00%) Active Directory
2 11 (25.00%) Snort
3 10 (22.73%) XenApp
4 9 (20.45%) pfSense
5 8 (18.18%) Microsoft Virtual Server
5 8 (18.18%) Virtual Servers
5 8 (18.18%) vSphere
6 6 (13.64%) Docker
7 5 (11.36%) Virtual Machines
8 4 (9.09%) KVM
8 4 (9.09%) Xen
9 1 (2.27%) iptables
9 1 (2.27%) Shibboleth
Systems Management
1 15 (34.09%) Puppet
2 11 (25.00%) Ansible
2 11 (25.00%) Opscode Chef
2 11 (25.00%) OSSEC
3 10 (22.73%) Terraform
4 8 (18.18%) EMC VPLEX
4 8 (18.18%) Nagios
4 8 (18.18%) NetIQ Identity Manager
4 8 (18.18%) Simpana
5 7 (15.91%) Nessus
6 5 (11.36%) QRadar
7 4 (9.09%) Salt
8 2 (4.55%) FortiGate
9 1 (2.27%) SELinux
Vendors
1 27 (61.36%) Red Hat
2 18 (40.91%) VMware
3 15 (34.09%) Cisco
3 15 (34.09%) Juniper
4 14 (31.82%) Oracle
5 13 (29.55%) LogRhythm
5 13 (29.55%) McAfee
6 11 (25.00%) Citrix
6 11 (25.00%) Microsoft
6 11 (25.00%) Sourcefire
7 8 (18.18%) CommVault
7 8 (18.18%) EMC
7 8 (18.18%) Google
7 8 (18.18%) Novell
8 7 (15.91%) AlienVault
9 4 (9.09%) Sencha
10 2 (4.55%) CheckPoint
10 2 (4.55%) F5
10 2 (4.55%) Fortinet
10 2 (4.55%) WatchGuard
City, London
Premier IT
Salary: £22000 - £25000 per annum
Posted: 3 days ago
City, London
Reflex Computer Recruitment Ltd
Salary: Benefits + Pension
Posted: Yesterday
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 6 days ago
City, London
Premier Media
Salary: £0.00 per annum
Posted: 3 days ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 6 days ago