The following table provides summary statistics for permanent job vacancies advertised in Nottinghamshire 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
East Midlands / Nottinghamshire
Rank 85 94 98
Rank change year-on-year +9 +4  
Permanent jobs citing CentOS 8 4 6
As % of all permanent IT jobs advertised in Nottinghamshire 0.79% 0.36% 0.50%
As % of the Operating Systems category 3.85% 1.34% 2.03%
Number of salaries quoted 2 4 6
Median salary £43,350 £30,625 £32,500
Median salary % change year-on-year +41.55% -5.76%  
90% offered a salary of more than £30,670 £25,075 £29,000
10% offered a salary of more than £56,030 £32,500 £42,500
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 Nottinghamshire with a requirement for operating system skills.

Operating System Skills
Nottinghamshire
Permanent job vacancies with a requirement for operating system skills 208 299 296
As % of all permanent IT job vacancies advertised in Nottinghamshire 20.41% 26.86% 24.89%
Number of salaries quoted 152 210 239
Median salary £37,500 £35,000 £32,500
Median salary % change year-on-year +7.14% +7.69%  
90% offered a salary of more than £21,000 £22,000 £22,500
10% offered a salary of more than £50,000 £48,750 £45,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Nottinghamshire

The job posting trend of jobs advertised in Nottinghamshire 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 Nottinghamshire

CentOS
Salary Trend in Nottinghamshire

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

Salary trend for CentOS in Nottinghamshire

CentOS
Salary Histogram in Nottinghamshire

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

Salary histogram for CentOS in Nottinghamshire

CentOS
Job Locations in Nottinghamshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Nottinghamshire 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
Nottingham +12 7 £43,350 +41.55%
CentOS
East Midlands

CentOS
Top 30 Related IT Skills in Nottinghamshire

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 Nottinghamshire region with a requirement for CentOS.

1 28 (100.00%) Linux
1 28 (100.00%) Red Hat
2 27 (96.43%) Debian
2 27 (96.43%) VMware
2 27 (96.43%) Ubuntu
3 26 (92.86%) Active Directory
4 25 (89.29%) DevOps
5 24 (85.71%) Finance
5 24 (85.71%) Red Hat Enterprise Linux
6 11 (39.29%) SAP
7 9 (32.14%) SAP HANA
8 3 (10.71%) VMware Infrastructure
9 2 (7.14%) Microservices
9 2 (7.14%) Unix
9 2 (7.14%) Windows
9 2 (7.14%) Retail
9 2 (7.14%) Open Source
10 1 (3.57%) Memcached
10 1 (3.57%) Varnish
10 1 (3.57%) Puppet
10 1 (3.57%) NoSQL
10 1 (3.57%) REST
10 1 (3.57%) High Availability
10 1 (3.57%) Splunk
10 1 (3.57%) Hyper-V
10 1 (3.57%) Git (software)
10 1 (3.57%) Cacti
10 1 (3.57%) Zenoss
10 1 (3.57%) Reverse Engineering
10 1 (3.57%) nginx

CentOS
Top Related IT Skills in Nottinghamshire 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 (3.57%) Apache
1 1 (3.57%) GlassFish
1 1 (3.57%) IIS
1 1 (3.57%) JBoss
1 1 (3.57%) nginx
1 1 (3.57%) Tomcat
Applications
1 1 (3.57%) MS Office
Communications & Networking
1 1 (3.57%) DNS
1 1 (3.57%) Firewall
1 1 (3.57%) Intrusion Detection
1 1 (3.57%) iSCSI
1 1 (3.57%) LDAP
1 1 (3.57%) SSL
Database & Business Intelligence
1 9 (32.14%) SAP HANA
2 1 (3.57%) Couchbase
2 1 (3.57%) MySQL
2 1 (3.57%) NoSQL
2 1 (3.57%) SQL Server
Development Applications
1 1 (3.57%) Bugzilla
1 1 (3.57%) Git (software)
1 1 (3.57%) Jenkins
1 1 (3.57%) JIRA
1 1 (3.57%) Maven
1 1 (3.57%) MSBuild
1 1 (3.57%) Subversion
General
1 24 (85.71%) Finance
2 2 (7.14%) Retail
3 1 (3.57%) Games
Job Titles
1 17 (60.71%) Linux Engineer
2 15 (53.57%) DevOps Engineer
2 15 (53.57%) Linux DevOps Engineer
2 15 (53.57%) Linux Systems Administrator
2 15 (53.57%) Linux/Unix DevOps
2 15 (53.57%) Systems Administrator
3 9 (32.14%) Consultant
3 9 (32.14%) Linux Consultant
3 9 (32.14%) Technical Consultant
4 1 (3.57%) DevOps Specialist
4 1 (3.57%) IT Technician
Libraries, Frameworks & Software Standards
1 1 (3.57%) Ajax
1 1 (3.57%) CGI
1 1 (3.57%) JSON
1 1 (3.57%) LAMP
1 1 (3.57%) LEMP Stack
1 1 (3.57%) Memcached
1 1 (3.57%) REST
1 1 (3.57%) SOAP
1 1 (3.57%) XML
Miscellaneous
1 1 (3.57%) Clustering
1 1 (3.57%) Wiki
Operating Systems
1 28 (100.00%) Linux
2 27 (96.43%) Debian
2 27 (96.43%) Ubuntu
3 24 (85.71%) Red Hat Enterprise Linux
4 2 (7.14%) Unix
4 2 (7.14%) Windows
5 1 (3.57%) Windows Server
Processes & Methodologies
1 25 (89.29%) DevOps
2 2 (7.14%) Microservices
2 2 (7.14%) Open Source
3 1 (3.57%) Agile Software Development
3 1 (3.57%) Configuration Management
3 1 (3.57%) Continuous Deployment
3 1 (3.57%) Continuous Integration
3 1 (3.57%) High Availability
3 1 (3.57%) Issue Tracking
3 1 (3.57%) Reverse Engineering
3 1 (3.57%) Scrum
Programming Languages
1 1 (3.57%) Java
1 1 (3.57%) Perl
1 1 (3.57%) PHP
1 1 (3.57%) PowerShell
1 1 (3.57%) Python
1 1 (3.57%) Shell Script
Qualifications
1 1 (3.57%) CCNA
1 1 (3.57%) Cisco Certification
1 1 (3.57%) MCP
System Software
1 26 (92.86%) Active Directory
2 3 (10.71%) VMware Infrastructure
3 1 (3.57%) Docker
3 1 (3.57%) Hyper-V
3 1 (3.57%) NFS
3 1 (3.57%) Samba
3 1 (3.57%) Squid
3 1 (3.57%) Varnish
3 1 (3.57%) Xen
Systems Management
1 1 (3.57%) Cacti
1 1 (3.57%) HAProxy
1 1 (3.57%) Nagios
1 1 (3.57%) Opscode Chef
1 1 (3.57%) Puppet
1 1 (3.57%) SCCM
1 1 (3.57%) WMI
1 1 (3.57%) Zenoss
Vendors
1 28 (100.00%) Red Hat
2 27 (96.43%) VMware
3 11 (39.29%) SAP
4 1 (3.57%) Adobe
4 1 (3.57%) Apple
4 1 (3.57%) Autodesk
4 1 (3.57%) Microsoft
4 1 (3.57%) Splunk
4 1 (3.57%) WSO2