The following table provides summary statistics for permanent job vacancies advertised in Wiltshire 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
South West / Wiltshire
Rank 79 90 86
Rank change year-on-year +11 -4  
Permanent jobs citing CentOS 2 5 13
As % of all permanent IT jobs advertised in Wiltshire 0.25% 0.46% 1.17%
As % of the Operating Systems category 0.78% 1.38% 4.89%
Number of salaries quoted 2 4 10
Median salary £48,750 £30,250 £50,000
Median salary % change year-on-year +61.15% -39.50%  
90% offered a salary of more than £43,750 £20,500 £47,250
10% offered a salary of more than £53,750 £48,750 £50,250
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 Wiltshire with a requirement for operating system skills.

Operating System Skills
Wiltshire
Permanent job vacancies with a requirement for operating system skills 258 363 266
As % of all permanent IT job vacancies advertised in Wiltshire 32.01% 33.58% 23.90%
Number of salaries quoted 222 330 221
Median salary £35,000 £32,500 £35,000
Median salary % change year-on-year +7.69% -7.14%  
90% offered a salary of more than £24,000 £23,250 £21,500
10% offered a salary of more than £47,500 £47,500 £46,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Wiltshire

The job posting trend of jobs advertised in Wiltshire 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 Wiltshire

CentOS
Salary Trend in Wiltshire

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

Salary trend for CentOS in Wiltshire

CentOS
Salary Histogram in Wiltshire

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

Salary histogram for CentOS in Wiltshire

CentOS
Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Wiltshire region over the 3 months to 24 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Swindon +17 2 £48,750 +137.80%
CentOS
South West

CentOS
Top 30 Related IT Skills in Wiltshire

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 Wiltshire 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 Wiltshire 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