The following table provides summary statistics for permanent job vacancies advertised in Scotland 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 25 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
UK / Scotland
Rank 130 156 150
Rank change year-on-year +26 -6  
Permanent jobs citing CentOS 8 7 8
As % of all permanent IT jobs advertised in Scotland 0.34% 0.24% 0.26%
As % of the Operating Systems category 1.68% 1.10% 1.16%
Number of salaries quoted 8 6 6
Median salary £31,500 £33,250 £35,000
Median salary % change year-on-year -5.26% -5.00%  
90% offered a salary of more than £22,700 £29,000 £26,500
10% offered a salary of more than £41,250 £37,000 £45,500
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 Scotland with a requirement for operating system skills.

Operating System Skills
Scotland
Permanent job vacancies with a requirement for operating system skills 475 634 690
As % of all permanent IT job vacancies advertised in Scotland 20.47% 21.62% 22.32%
Number of salaries quoted 273 382 411
Median salary £40,000 £40,000 £36,878
Median salary % change year-on-year - +8.46%  
90% offered a salary of more than £26,000 £27,500 £24,208
10% offered a salary of more than £55,000 £52,500 £52,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Scotland

The job posting trend of jobs advertised in Scotland 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 Scotland

CentOS
Salary Trend in Scotland

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

Salary trend for CentOS in Scotland

CentOS
Salary Histogram in Scotland

The salary distribution of IT jobs citing CentOS in Scotland over the 3 months to 25 March 2017.

Salary histogram for CentOS in Scotland

CentOS
Job Locations in Scotland

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Scotland region over the 3 months to 25 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
Edinburgh - 4 £30,750 - 1
Glasgow +20 2 £31,000 -8.82%
South Lanarkshire - 2 £31,500 - 3
CentOS
UK

CentOS
Top 30 Related IT Skills in Scotland

For the 6 months to 25 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 Scotland region with a requirement for CentOS.

1 19 (100.00%) Linux
2 12 (63.16%) Windows
2 12 (63.16%) Red Hat
3 10 (52.63%) Red Hat Enterprise Linux
4 9 (47.37%) Windows Server
5 8 (42.11%) Amazon AWS
6 6 (31.58%) Apache
6 6 (31.58%) Bash Shell
7 5 (26.32%) Open Source
7 5 (26.32%) DevOps
7 5 (26.32%) Samba
7 5 (26.32%) Tomcat
7 5 (26.32%) Python
7 5 (26.32%) JBoss
7 5 (26.32%) NFS
8 4 (21.05%) Unix
8 4 (21.05%) SQL
8 4 (21.05%) Service Delivery
8 4 (21.05%) Games
8 4 (21.05%) Firmware
8 4 (21.05%) SLA
8 4 (21.05%) Active Directory
8 4 (21.05%) Windows 7
8 4 (21.05%) Security Monitoring
9 3 (15.79%) Linux Command Line
9 3 (15.79%) Ansible
9 3 (15.79%) Degree
9 3 (15.79%) Juniper
9 3 (15.79%) Agile Software Development
9 3 (15.79%) Puppet

CentOS
Top Related IT Skills in Scotland 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 6 (31.58%) Apache
2 5 (26.32%) JBoss
2 5 (26.32%) Tomcat
3 2 (10.53%) MS Exchange
4 1 (5.26%) Apache Solr
4 1 (5.26%) nginx
4 1 (5.26%) SharePoint
Applications
1 1 (5.26%) Adobe Captivate
1 1 (5.26%) Houdini
1 1 (5.26%) Maya
1 1 (5.26%) MS Excel
1 1 (5.26%) NUKE
1 1 (5.26%) Photoshop
Cloud Services
1 8 (42.11%) Amazon AWS
2 1 (5.26%) Amazon S3
2 1 (5.26%) Cloud Computing
2 1 (5.26%) GitHub
2 1 (5.26%) Microsoft Azure
2 1 (5.26%) Office 365
2 1 (5.26%) SaaS
2 1 (5.26%) Slack
Communications & Networking
1 2 (10.53%) BGP
1 2 (10.53%) DNS
1 2 (10.53%) Firewall
1 2 (10.53%) MPLS
1 2 (10.53%) MRTG
1 2 (10.53%) Network Security
1 2 (10.53%) OSPF
1 2 (10.53%) TCP/IP
1 2 (10.53%) VoIP
1 2 (10.53%) VRRP
2 1 (5.26%) DHCP
2 1 (5.26%) HTTP
2 1 (5.26%) LAN
2 1 (5.26%) NAS
2 1 (5.26%) OpenVPN
2 1 (5.26%) SMTP
2 1 (5.26%) SSL
2 1 (5.26%) WAN
Database & Business Intelligence
1 3 (15.79%) MySQL
2 1 (5.26%) MariaDB
Development Applications
1 1 (5.26%) GCC
1 1 (5.26%) Jenkins
1 1 (5.26%) Maven
1 1 (5.26%) Travis CI
General
1 4 (21.05%) Games
Job Titles
1 7 (36.84%) Administrator
1 7 (36.84%) Systems Administrator
2 4 (21.05%) Linux Administrator
2 4 (21.05%) Linux Systems Administrator
3 2 (10.53%) DevOps Manager
3 2 (10.53%) Infrastructure Engineer
3 2 (10.53%) Linux Engineer
3 2 (10.53%) Network Engineer
3 2 (10.53%) Senior Network Engineer
4 1 (5.26%) Applications Support
4 1 (5.26%) AWS DevOps
4 1 (5.26%) Cloud Administrator
4 1 (5.26%) Infrastructure Manager
4 1 (5.26%) Junior Linux Engineer
4 1 (5.26%) Lead DevOps
4 1 (5.26%) Linux/Unix DevOps
4 1 (5.26%) Microsoft Engineer
4 1 (5.26%) Support Engineer
4 1 (5.26%) Systems Engineer
4 1 (5.26%) Systems Support
Libraries, Frameworks & Software Standards
1 1 (5.26%) HTML
1 1 (5.26%) LAMP
1 1 (5.26%) Web Services
Miscellaneous
1 3 (15.79%) Linux Command Line
2 2 (10.53%) Computer Science
2 2 (10.53%) Distributed Denial-of-Service
3 1 (5.26%) Analytical Skills
3 1 (5.26%) Animation
3 1 (5.26%) Private Cloud
3 1 (5.26%) Public Cloud
3 1 (5.26%) Virtual Team
Operating Systems
1 19 (100.00%) Linux
2 12 (63.16%) Windows
3 10 (52.63%) Red Hat Enterprise Linux
4 9 (47.37%) Windows Server
5 4 (21.05%) Unix
5 4 (21.05%) Windows 7
6 3 (15.79%) Solaris
7 2 (10.53%) Debian
7 2 (10.53%) Windows Server 2012
8 1 (5.26%) Oracle Linux
8 1 (5.26%) SUSE
8 1 (5.26%) Ubuntu
8 1 (5.26%) VMS
8 1 (5.26%) Windows Server 2008
Processes & Methodologies
1 5 (26.32%) DevOps
1 5 (26.32%) Open Source
2 4 (21.05%) Security Monitoring
2 4 (21.05%) Service Delivery
3 3 (15.79%) Agile Software Development
4 2 (10.53%) Capacity Planning
4 2 (10.53%) Change Management
4 2 (10.53%) DDoS Mitigation
4 2 (10.53%) ITIL
4 2 (10.53%) Network Management
4 2 (10.53%) Project Management
5 1 (5.26%) Build Automation
5 1 (5.26%) Configuration Management
5 1 (5.26%) High Availability
5 1 (5.26%) ITSM
5 1 (5.26%) Load Balancing
5 1 (5.26%) Performance Monitoring
5 1 (5.26%) Performance Tuning
5 1 (5.26%) Virtual Environments
5 1 (5.26%) Visual Effects
Programming Languages
1 6 (31.58%) Bash Shell
2 5 (26.32%) Python
3 4 (21.05%) SQL
4 3 (15.79%) PL/SQL
5 2 (10.53%) Java
5 2 (10.53%) Perl
5 2 (10.53%) Ruby
5 2 (10.53%) Shell Script
6 1 (5.26%) C#
6 1 (5.26%) JavaScript
6 1 (5.26%) PHP
Qualifications
1 3 (15.79%) Degree
2 2 (10.53%) Cisco Certification
3 1 (5.26%) CISSP
3 1 (5.26%) MCSA
3 1 (5.26%) MCSE
3 1 (5.26%) Microsoft Certification
Quality Assurance & Compliance
1 4 (21.05%) SLA
System Software
1 5 (26.32%) NFS
1 5 (26.32%) Samba
2 4 (21.05%) Active Directory
2 4 (21.05%) Firmware
3 2 (10.53%) Hyper-V
3 2 (10.53%) Virtual Machines
4 1 (5.26%) Docker
4 1 (5.26%) Gluster
4 1 (5.26%) KVM
4 1 (5.26%) vSphere
4 1 (5.26%) Xen
Systems Management
1 3 (15.79%) Ansible
1 3 (15.79%) Nagios
1 3 (15.79%) Opscode Chef
1 3 (15.79%) Puppet
2 2 (10.53%) Cacti
3 1 (5.26%) Capistrano
3 1 (5.26%) NetVault Backup
3 1 (5.26%) SELinux
3 1 (5.26%) Terraform
3 1 (5.26%) yum
Vendors
1 12 (63.16%) Red Hat
2 3 (15.79%) Juniper
3 2 (10.53%) Cisco
3 2 (10.53%) Microsoft
4 1 (5.26%) Adobe
4 1 (5.26%) Dell
4 1 (5.26%) HP
4 1 (5.26%) Oracle
4 1 (5.26%) Perforce
4 1 (5.26%) Rackspace
4 1 (5.26%) VMware
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