The table below looks at the statistics for CentOS skills in IT jobs advertised for the Croydon region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 26 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
26 Jun 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 42 - 48
Rank change year-on-year
- 0
Permanent jobs citing CentOS 4 0 1
As % of all permanent IT jobs located in Croydon 1.63% - 0.40%
As % of the Operating Systems category 4.60% - 1.33%
Number of salaries quoted 4 0 1
Median salary £47,500 - £37,500
UK excluding London median salary £47,500 £41,250 £37,500
% change year-on-year
+15.15% +10.00%
CentOS
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Croydon region.

Operating Systems Category
Croydon
Permanent IT job ads with a match in the
Operating Systems category
87 54 75
As % of all permanent IT jobs located in Croydon 35.37% 28.13% 30.12%
Number of salaries quoted 84 49 56
Median salary £34,000 £25,500 £32,500
Median salary % change year-on-year
+33.33% -21.53%
90% offered a salary of more than £21,000 £23,000 £23,500
10% offered a salary of more than £50,750 £55,250 £45,000
UK excluding London median salary £37,500 £37,500 £36,000
% change year-on-year
- +4.16%

CentOS
Jobs Demand Trend in Croydon

The demand trend of job ads across the Croydon region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Croydon

CentOS
Salary Trend in Croydon

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

CentOS Salary Trend in Croydon

CentOS
Top 30 Related IT Skills in Croydon

For the 6 months to 26 June 2016, IT jobs citing CentOS 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 CentOS.

1 6 (100.00%) Linux
2 4 (66.67%) Apache
2 4 (66.67%) Debian
3 3 (50.00%) PostgreSQL
3 3 (50.00%) Internet
3 3 (50.00%) Nagios
3 3 (50.00%) Management Information System
3 3 (50.00%) Unix
3 3 (50.00%) PHP
3 3 (50.00%) MySQL
3 3 (50.00%) SMTP
3 3 (50.00%) DNS
3 3 (50.00%) LAMP
3 3 (50.00%) Cacti
3 3 (50.00%) nginx
3 3 (50.00%) Asterisk PBX
3 3 (50.00%) Problem Management
3 3 (50.00%) Capacity Planning
3 3 (50.00%) FreeRADIUS
3 3 (50.00%) Root Cause Analysis
3 3 (50.00%) Kalman Filter
3 3 (50.00%) User Experience
3 3 (50.00%) Data Centre
3 3 (50.00%) LEMP Stack
3 3 (50.00%) LAPP Stack
4 2 (33.33%) DevOps
4 2 (33.33%) Jenkins
4 2 (33.33%) Puppet
4 2 (33.33%) SC Cleared
4 2 (33.33%) Security Cleared

CentOS
Top Related 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 4 (66.67%) Apache
2 3 (50.00%) nginx
Applications
1 1 (16.67%) MS Excel
Cloud Services
1 1 (16.67%) Amazon AWS
1 1 (16.67%) IaaS
1 1 (16.67%) Microsoft Azure
1 1 (16.67%) SaaS
Communications & Networking
1 3 (50.00%) Asterisk PBX
1 3 (50.00%) DNS
1 3 (50.00%) Internet
1 3 (50.00%) SMTP
2 1 (16.67%) SAN
2 1 (16.67%) TCP/IP
Database & Business Intelligence
1 3 (50.00%) MySQL
1 3 (50.00%) PostgreSQL
2 1 (16.67%) SQL Server
Development Applications
1 2 (33.33%) Jenkins
2 1 (16.67%) Git (software)
2 1 (16.67%) Maven
General
1 1 (16.67%) Finance
1 1 (16.67%) Marketing
Job Titles
1 4 (66.67%) Administrator
1 4 (66.67%) Systems Administrator
2 3 (50.00%) Linux Administrator
2 3 (50.00%) Linux Systems Administrator
2 3 (50.00%) Unix Administrator
2 3 (50.00%) Unix Linux Systems Administrator
2 3 (50.00%) Unix Systems Administrator
3 1 (16.67%) Automation Engineer
3 1 (16.67%) Delivery Manager
3 1 (16.67%) DevOps Engineer
3 1 (16.67%) Operations Engineer
3 1 (16.67%) Senior Systems Administrator
3 1 (16.67%) Service Manager
3 1 (16.67%) Services Delivery Manager
Libraries, Frameworks & Software Standards
1 3 (50.00%) LAMP
1 3 (50.00%) LAPP Stack
1 3 (50.00%) LEMP Stack
2 1 (16.67%) MCollective
2 1 (16.67%) Web Services
Miscellaneous
1 3 (50.00%) Data Centre
1 3 (50.00%) Management Information System
1 3 (50.00%) User Experience
Operating Systems
1 6 (100.00%) Linux
2 4 (66.67%) Debian
3 3 (50.00%) Unix
4 2 (33.33%) Red Hat Enterprise Linux
4 2 (33.33%) Ubuntu
5 1 (16.67%) Windows
5 1 (16.67%) Windows Server
5 1 (16.67%) Windows Server 2012
Processes & Methodologies
1 3 (50.00%) Capacity Planning
1 3 (50.00%) Kalman Filter
1 3 (50.00%) Problem Management
1 3 (50.00%) Root Cause Analysis
2 2 (33.33%) Agile Software Development
2 2 (33.33%) DevOps
2 2 (33.33%) Scrum
3 1 (16.67%) Build Automation
3 1 (16.67%) Configuration Management
3 1 (16.67%) Continuous Integration
3 1 (16.67%) ITIL
3 1 (16.67%) Online Marketing
3 1 (16.67%) Release Management
3 1 (16.67%) Service Delivery
3 1 (16.67%) Service Management
Programming Languages
1 3 (50.00%) PHP
2 1 (16.67%) Bash Shell
2 1 (16.67%) Java
2 1 (16.67%) Ruby
Qualifications
1 2 (33.33%) SC Cleared
1 2 (33.33%) Security Cleared
System Software
1 3 (50.00%) FreeRADIUS
2 2 (33.33%) VMware Infrastructure
3 1 (16.67%) vSphere
Systems Management
1 3 (50.00%) Cacti
1 3 (50.00%) Nagios
2 2 (33.33%) Puppet
3 1 (16.67%) ZABBIX
Vendors
1 2 (33.33%) Microsoft
1 2 (33.33%) VMware
2 1 (16.67%) Cisco
2 1 (16.67%) Dell
2 1 (16.67%) Oracle
2 1 (16.67%) Red Hat
2 1 (16.67%) ServiceNow