The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 3 months to 30 April 2017 with a comparison to the same period in the previous 2 years.

Linux
London / Croydon
3 months to
30 Apr 2017
Same period 2016 Same period 2015
Rank 23 23 37
Rank change year-on-year 0 +14  
Permanent jobs citing Linux 14 22 1
As % of all permanent IT jobs advertised in Croydon 7.41% 8.76% 0.55%
As % of the Operating Systems category 40.00% 21.78% 1.75%
Number of salaries quoted 12 18 1
Median salary £30,000 £47,500 £60,000
Median salary % change year-on-year -36.84% -20.83%  
UK excluding London median salary £42,500 £42,500 £41,750
% change year-on-year - +1.79%  

Linux 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 Croydon with a requirement for operating system skills.

Operating System Skills
Croydon
Permanent job vacancies with a requirement for operating system skills 35 101 57
As % of all permanent IT job vacancies advertised in Croydon 18.52% 40.24% 31.49%
Number of salaries quoted 26 94 49
Median salary £32,000 £33,250 £25,500
Median salary % change year-on-year -3.75% +30.39%  
90% offered a salary of more than £17,000 £21,000 £23,500
10% offered a salary of more than £57,500 £52,500 £60,000
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Croydon

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

Job vacancy trend for Linux in Croydon

Linux
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Croydon.

Salary trend for Linux in Croydon

Linux
Salary Histogram in Croydon

The salary distribution of IT jobs citing Linux in Croydon over the 3 months to 30 April 2017.

Salary histogram for Linux in Croydon

For the 6 months to 30 April 2017, IT jobs citing Linux 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 Croydon region with a requirement for Linux.

1 15 (45.45%) Nagios
2 13 (39.39%) Telecoms
2 13 (39.39%) Perl
2 13 (39.39%) Bash Shell
2 13 (39.39%) Data Centre
3 12 (36.36%) CentOS
3 12 (36.36%) Windows
3 12 (36.36%) Active Directory
4 11 (33.33%) Microsoft
5 9 (27.27%) Asterisk PBX
6 8 (24.24%) VMware
7 7 (21.21%) Apache
7 7 (21.21%) PHP
7 7 (21.21%) Git (software)
7 7 (21.21%) Puppet
7 7 (21.21%) Red Hat Enterprise Linux
8 6 (18.18%) Office 365
8 6 (18.18%) Opscode Chef
8 6 (18.18%) Jenkins
8 6 (18.18%) Open Source
8 6 (18.18%) MySQL
8 6 (18.18%) Microsoft Office
8 6 (18.18%) Red Hat
8 6 (18.18%) Configuration Management
8 6 (18.18%) Ticket Management
8 6 (18.18%) Windows Server
9 5 (15.15%) LAMP
9 5 (15.15%) Finance
9 5 (15.15%) SQL
9 5 (15.15%) Python

Linux
Co-occurring IT Skills in Croydon 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 7 (21.21%) Apache
2 1 (3.03%) JBoss
2 1 (3.03%) MS Exchange
2 1 (3.03%) Tomcat
Applications
1 6 (18.18%) Microsoft Office
Business Applications
1 3 (9.09%) SAP Oil and Gas
Cloud Services
1 6 (18.18%) Office 365
2 2 (6.06%) Amazon AWS
3 1 (3.03%) AWS CloudFormation
Communications & Networking
1 9 (27.27%) Asterisk PBX
2 4 (12.12%) Firewall
2 4 (12.12%) VoIP
3 3 (9.09%) BGP
3 3 (9.09%) iSCSI
3 3 (9.09%) MPLS
3 3 (9.09%) SAN
3 3 (9.09%) TCP/IP
3 3 (9.09%) VPLS
3 3 (9.09%) WAN
4 2 (6.06%) LDAP
5 1 (3.03%) HTTP
5 1 (3.03%) OpenLDAP
5 1 (3.03%) Wireless
Database & Business Intelligence
1 6 (18.18%) MySQL
2 3 (9.09%) SQL Server
2 3 (9.09%) SQL Server 2008
2 3 (9.09%) SQL Server 2012
3 1 (3.03%) Hadoop
3 1 (3.03%) HBase
3 1 (3.03%) PostgreSQL
Development Applications
1 7 (21.21%) Git (software)
2 6 (18.18%) Jenkins
3 1 (3.03%) Ant
3 1 (3.03%) Maven
3 1 (3.03%) Sonatype Nexus
3 1 (3.03%) Subversion
General
1 13 (39.39%) Telecoms
2 5 (15.15%) Finance
3 3 (9.09%) Electronics
3 3 (9.09%) Manufacturing
3 3 (9.09%) Marketing
4 1 (3.03%) Advertising
Job Titles
1 16 (48.48%) Administrator
2 12 (36.36%) Linux Administrator
2 12 (36.36%) Systems Administrator
3 11 (33.33%) Linux Systems Administrator
4 5 (15.15%) Junior
5 3 (9.09%) Network Administrator
5 3 (9.09%) Senior Windows Administrator
5 3 (9.09%) Windows Administrator
6 2 (6.06%) Analyst
6 2 (6.06%) Cloud Engineer
6 2 (6.06%) Cloud Infrastructure Engineer
6 2 (6.06%) DevOps Engineer
6 2 (6.06%) Infrastructure Engineer
6 2 (6.06%) Support Analyst
7 1 (3.03%) 1st/2nd Line Support
7 1 (3.03%) 1st/2nd Line Support Analyst
7 1 (3.03%) Applications Support Technician
7 1 (3.03%) Front End Java Developer (Client-Side Java Developer)
7 1 (3.03%) Lead DevOps Engineer
7 1 (3.03%) Unix Scripter
Libraries, Frameworks & Software Standards
1 5 (15.15%) LAMP
2 2 (6.06%) YAML
3 1 (3.03%) ActiveMQ
3 1 (3.03%) Apache Camel
3 1 (3.03%) CSS
3 1 (3.03%) HTML
3 1 (3.03%) LAPP Stack
3 1 (3.03%) OSGi
Miscellaneous
1 13 (39.39%) Data Centre
2 4 (12.12%) Clustering
3 1 (3.03%) Arduino
Operating Systems
1 12 (36.36%) CentOS
1 12 (36.36%) Windows
2 7 (21.21%) Red Hat Enterprise Linux
3 6 (18.18%) Windows Server
4 4 (12.12%) Unix
5 3 (9.09%) Solaris
6 2 (6.06%) AIX
7 1 (3.03%) Android
7 1 (3.03%) Mac OS X
Processes & Methodologies
1 6 (18.18%) Configuration Management
1 6 (18.18%) Open Source
1 6 (18.18%) Ticket Management
2 3 (9.09%) Business Intelligence
2 3 (9.09%) Capacity Planning
2 3 (9.09%) DevOps
2 3 (9.09%) Digital Marketing
2 3 (9.09%) Programme Management
2 3 (9.09%) Security Testing
3 1 (3.03%) Agile Software Development
3 1 (3.03%) Android Development
3 1 (3.03%) Capacity Management
3 1 (3.03%) Continuous Integration
3 1 (3.03%) Data Visualisation
3 1 (3.03%) High Availability
3 1 (3.03%) Microservices
3 1 (3.03%) Network Monitoring
3 1 (3.03%) Software Engineering
3 1 (3.03%) Visualisation
3 1 (3.03%) Web Development
Programming Languages
1 13 (39.39%) Bash Shell
1 13 (39.39%) Perl
2 7 (21.21%) PHP
3 5 (15.15%) Python
3 5 (15.15%) SQL
4 4 (12.12%) PowerShell
5 3 (9.09%) Ruby
6 2 (6.06%) Java
7 1 (3.03%) C
7 1 (3.03%) C#
7 1 (3.03%) C++
7 1 (3.03%) Groovy
7 1 (3.03%) JavaScript
Qualifications
1 2 (6.06%) CCNA
1 2 (6.06%) Cisco Certification
1 2 (6.06%) Security Cleared
2 1 (3.03%) SC Cleared
System Software
1 12 (36.36%) Active Directory
2 4 (12.12%) Virtual Machines
3 3 (9.09%) Docker
3 3 (9.09%) Microsoft App-V
3 3 (9.09%) vSphere
4 2 (6.06%) iptables
4 2 (6.06%) NFS
5 1 (3.03%) VMware ESXi
5 1 (3.03%) VMware Infrastructure
Systems Management
1 15 (45.45%) Nagios
2 7 (21.21%) Puppet
3 6 (18.18%) Opscode Chef
4 5 (15.15%) Ansible
5 4 (12.12%) Cacti
5 4 (12.12%) CFEngine
6 3 (9.09%) SCCM
7 2 (6.06%) Terraform
8 1 (3.03%) Foglight
8 1 (3.03%) HAProxy
8 1 (3.03%) rkt
8 1 (3.03%) ZABBIX
Vendors
1 11 (33.33%) Microsoft
2 8 (24.24%) VMware
3 6 (18.18%) Red Hat
4 3 (9.09%) Cisco
4 3 (9.09%) NetApp
4 3 (9.09%) SAP
5 2 (6.06%) Citrix
5 2 (6.06%) Palo Alto
6 1 (3.03%) Kaseya
6 1 (3.03%) SolarWinds
Croydon
Computer Futures
Salary: £35000 - £45000 per annum + competitive
Posted: 17 days ago
Croydon
Client Server
Salary: £45k to £60k + benefits
Posted: 23 days ago