The following table provides summary statistics for permanent job vacancies advertised in Swindon with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
Wiltshire / Swindon
Rank 50 67 61
Rank change year-on-year +17 -6  
Permanent jobs citing CentOS 2 3 8
As % of all permanent IT jobs advertised in Swindon 0.48% 0.51% 1.39%
As % of the Operating Systems category 1.69% 1.73% 6.84%
Number of salaries quoted 2 3 5
Median salary £48,750 £20,500 £50,000
Median salary % change year-on-year +137.80% -59.00%  
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

CentOS 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 Swindon with a requirement for operating system skills.

Operating System Skills
Swindon
Permanent job vacancies with a requirement for operating system skills 118 173 117
As % of all permanent IT job vacancies advertised in Swindon 28.03% 29.47% 20.35%
Number of salaries quoted 91 161 87
Median salary £36,000 £36,500 £36,500
Median salary % change year-on-year -1.36% -  
90% offered a salary of more than £25,000 £25,000 £23,500
10% offered a salary of more than £47,500 £50,000 £50,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Swindon

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

Job vacancy trend for CentOS in Swindon

CentOS
Salary Trend in Swindon

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

Salary trend for CentOS in Swindon

CentOS
Salary Histogram in Swindon

The salary distribution of IT jobs citing CentOS in Swindon over the 3 months to 24 March 2017.

Salary histogram for CentOS in Swindon

CentOS
Top 30 Related IT Skills in Swindon

For the 6 months to 24 March 2017, 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 Swindon region with a requirement for CentOS.

1 5 (100.00%) MySQL
1 5 (100.00%) Linux
2 4 (80.00%) Firewall
2 4 (80.00%) Finance
2 4 (80.00%) DevOps
2 4 (80.00%) KVM
2 4 (80.00%) Puppet
3 3 (60.00%) DKIM
3 3 (60.00%) PAdES
3 3 (60.00%) CAdES
3 3 (60.00%) XAdES
3 3 (60.00%) Rundeck
3 3 (60.00%) RabbitMQ
3 3 (60.00%) Backup Exec
3 3 (60.00%) Document Management
3 3 (60.00%) Ubuntu
3 3 (60.00%) Network Security
3 3 (60.00%) ZABBIX
3 3 (60.00%) ITIL
3 3 (60.00%) Windows
3 3 (60.00%) MS Visio
3 3 (60.00%) MS Office
3 3 (60.00%) DHCP
3 3 (60.00%) FTP
3 3 (60.00%) TCP/IP
3 3 (60.00%) VPN
3 3 (60.00%) DNS
3 3 (60.00%) LAN
3 3 (60.00%) WAN
3 3 (60.00%) SSL

CentOS
Top Related IT Skills in Swindon 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 1 (20.00%) Apache
1 1 (20.00%) Tomcat
Applications
1 3 (60.00%) MS Office
1 3 (60.00%) MS Visio
2 1 (20.00%) MS Excel
Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) Amazon S3
1 1 (20.00%) G Suite
1 1 (20.00%) Google App Engine
1 1 (20.00%) Google Cloud Platform
1 1 (20.00%) Google Compute Engine
1 1 (20.00%) IaaS
Communications & Networking
1 4 (80.00%) Firewall
2 3 (60.00%) DHCP
2 3 (60.00%) DKIM
2 3 (60.00%) DNS
2 3 (60.00%) FTP
2 3 (60.00%) LAN
2 3 (60.00%) Network Security
2 3 (60.00%) SSL
2 3 (60.00%) TCP/IP
2 3 (60.00%) VPN
2 3 (60.00%) WAN
2 3 (60.00%) X.509
3 1 (20.00%) HTTP
3 1 (20.00%) HTTPS
3 1 (20.00%) Kerberos
3 1 (20.00%) LDAP
3 1 (20.00%) SSH
Database & Business Intelligence
1 5 (100.00%) MySQL
2 1 (20.00%) Amazon DynamoDB
2 1 (20.00%) Big Data
2 1 (20.00%) BigQuery
2 1 (20.00%) MongoDB
2 1 (20.00%) NoSQL
2 1 (20.00%) PostgreSQL
2 1 (20.00%) Relational Database
2 1 (20.00%) SQL Server
Development Applications
1 1 (20.00%) Talend Open Studio
General
1 4 (80.00%) Finance
Job Titles
1 4 (80.00%) Administrator
1 4 (80.00%) Systems Administrator
2 3 (60.00%) Infrastructure Engineer
2 3 (60.00%) Systems Engineer
3 1 (20.00%) Lead DevOps
3 1 (20.00%) Linux Administrator
3 1 (20.00%) Linux Systems Administrator
3 1 (20.00%) Team Leader
Libraries, Frameworks & Software Standards
1 3 (60.00%) CAdES
1 3 (60.00%) PAdES
1 3 (60.00%) RabbitMQ
1 3 (60.00%) XAdES
2 1 (20.00%) Google Maps API
2 1 (20.00%) jQuery
2 1 (20.00%) LAMP
2 1 (20.00%) LAPP Stack
2 1 (20.00%) OAuth
2 1 (20.00%) Web Services
Miscellaneous
1 1 (20.00%) Replication
Operating Systems
1 5 (100.00%) Linux
2 3 (60.00%) Ubuntu
2 3 (60.00%) Windows
3 2 (40.00%) Red Hat Enterprise Linux
4 1 (20.00%) Fedora
4 1 (20.00%) Oracle Linux
4 1 (20.00%) VMS
Processes & Methodologies
1 4 (80.00%) DevOps
2 3 (60.00%) Document Management
2 3 (60.00%) ITIL
3 2 (40.00%) Configuration Management
4 1 (20.00%) Agile Software Development
4 1 (20.00%) Auto-Scaling
4 1 (20.00%) Continuous Integration
4 1 (20.00%) ETL
4 1 (20.00%) Line Management
4 1 (20.00%) Load Balancing
4 1 (20.00%) Mentoring
4 1 (20.00%) Open Source
4 1 (20.00%) Release Management
4 1 (20.00%) Security Patching
Programming Languages
1 3 (60.00%) Shell Script
2 2 (40.00%) Bash Shell
2 2 (40.00%) Perl
2 2 (40.00%) Python
2 2 (40.00%) Ruby
3 1 (20.00%) AWK
3 1 (20.00%) C#
3 1 (20.00%) Java
3 1 (20.00%) JavaScript
3 1 (20.00%) PHP
3 1 (20.00%) sed
System Software
1 4 (80.00%) KVM
2 3 (60.00%) Active Directory
3 1 (20.00%) Docker
3 1 (20.00%) iptables
3 1 (20.00%) Squid
3 1 (20.00%) Virtual Machines
3 1 (20.00%) VMware Infrastructure
3 1 (20.00%) vSphere
3 1 (20.00%) Xen
Systems Management
1 4 (80.00%) Puppet
2 3 (60.00%) Backup Exec
2 3 (60.00%) Rundeck
2 3 (60.00%) ZABBIX
3 1 (20.00%) Ansible
3 1 (20.00%) Nagios
3 1 (20.00%) Opscode Chef
3 1 (20.00%) Salt
Vendors
1 2 (40.00%) Red Hat
2 1 (20.00%) Google
2 1 (20.00%) Oracle
2 1 (20.00%) Talend
2 1 (20.00%) VMware