The following table provides summary statistics for permanent job vacancies advertised in the South West 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 30 March 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England / South West
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 183 227 177
Rank change year-on-year +44 -50  
Permanent jobs citing CentOS 42 31 70
As % of all permanent IT jobs advertised in the South West 0.83% 0.53% 1.17%
As % of the Operating Systems category 3.58% 1.88% 4.21%
Number of salaries quoted 36 21 64
Median salary £40,000 £40,000 £42,500
Median salary % change year-on-year - -5.88%  
90% offered a salary of more than £23,500 £26,000 £35,750
10% offered a salary of more than £53,750 £60,000 £70,000
UK excluding London median salary £42,500 £45,000 £42,500
% change year-on-year -5.55% +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 the South West with a requirement for operating system skills.

Operating System Skills
South West
Permanent job vacancies with a requirement for operating system skills 1173 1651 1662
As % of all permanent IT job vacancies advertised in the South West 23.07% 28.05% 27.73%
Number of salaries quoted 1022 1430 1401
Median salary £35,000 £35,000 £35,000
90% offered a salary of more than £23,500 £22,500 £22,500
10% offered a salary of more than £50,000 £55,000 £53,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in the South West

The job posting trend of jobs advertised in the South West 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 the South West

CentOS
Salary Trend in the South West

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

Salary trend for CentOS in the South West

CentOS
Salary Histogram in the South West

The salary distribution of IT jobs citing CentOS in the South West over the 3 months to 30 March 2017.

Salary histogram for CentOS in the South West

CentOS
Job Locations in the South West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South West region over the 3 months to 30 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
Gloucestershire +2 20 £37,500 -6.25% 1
Bristol +6 12 £42,500 -5.55% 9
Devon -1 4 £35,000 +34.61%
Wiltshire +18 2 £48,750 +61.15%
Somerset -2 2 £47,500 +5.55%
Cornwall - 2 £55,000 -
CentOS
England

For the 6 months to 30 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 South West region with a requirement for CentOS.

1 67 (100.00%) Linux
2 55 (82.09%) Red Hat
3 39 (58.21%) Python
4 36 (53.73%) DevOps
5 29 (43.28%) Apache
5 29 (43.28%) ITIL
6 28 (41.79%) Agile Software Development
7 27 (40.30%) Security Cleared
7 27 (40.30%) Bash Shell
8 26 (38.81%) Red Hat Enterprise Linux
9 25 (37.31%) Jenkins
9 25 (37.31%) Windows
10 24 (35.82%) Java
11 23 (34.33%) Scrum
12 19 (28.36%) C
12 19 (28.36%) JIRA
13 18 (26.87%) Open Source
13 18 (26.87%) VMware
14 17 (25.37%) MySQL
14 17 (25.37%) Puppet
15 16 (23.88%) Confluence
15 16 (23.88%) Atlassian Bamboo
15 16 (23.88%) Wiki
15 16 (23.88%) JUnit
15 16 (23.88%) OO
16 15 (22.39%) EJB
16 15 (22.39%) C++
16 15 (22.39%) Perl
16 15 (22.39%) PHP
16 15 (22.39%) OOD

CentOS
Co-occurring IT Skills in the South West 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 29 (43.28%) Apache
2 16 (23.88%) Confluence
3 7 (10.45%) OpenStack
3 7 (10.45%) Tomcat
4 6 (8.96%) IIS
5 5 (7.46%) CMS
5 5 (7.46%) JBoss
6 2 (2.99%) Elasticsearch
7 1 (1.49%) Drupal
7 1 (1.49%) Jetty
7 1 (1.49%) nginx
Applications
1 3 (4.48%) MS Excel
1 3 (4.48%) MS Office
1 3 (4.48%) MS Visio
2 2 (2.99%) HipChat
Business Applications
1 7 (10.45%) SAP Oil and Gas
2 1 (1.49%) Magento
Cloud Services
1 8 (11.94%) Amazon AWS
2 2 (2.99%) G Suite
3 1 (1.49%) Amazon S3
3 1 (1.49%) Google App Engine
3 1 (1.49%) Google Cloud Platform
3 1 (1.49%) Google Compute Engine
3 1 (1.49%) IaaS
3 1 (1.49%) Microsoft Azure
3 1 (1.49%) PaaS
Communications & Networking
1 9 (13.43%) Firewall
2 7 (10.45%) DNS
3 6 (8.96%) HTTP
4 5 (7.46%) FTP
4 5 (7.46%) Internet
4 5 (7.46%) Network Security
5 4 (5.97%) Cisco ASA
5 4 (5.97%) DHCP
5 4 (5.97%) NAS
5 4 (5.97%) SAN
6 3 (4.48%) DKIM
6 3 (4.48%) LAN
6 3 (4.48%) SSL
6 3 (4.48%) TCP/IP
6 3 (4.48%) VPN
6 3 (4.48%) WAN
6 3 (4.48%) X.509
7 2 (2.99%) Cisco IOS
7 2 (2.99%) Junos
8 1 (1.49%) SSH
Database & Business Intelligence
1 17 (25.37%) MySQL
2 6 (8.96%) SQL Server
3 4 (5.97%) PostgreSQL
4 2 (2.99%) MongoDB
5 1 (1.49%) Amazon DynamoDB
5 1 (1.49%) Big Data
5 1 (1.49%) BigQuery
5 1 (1.49%) MariaDB
5 1 (1.49%) NoSQL
5 1 (1.49%) Relational Database
Development Applications
1 25 (37.31%) Jenkins
2 19 (28.36%) JIRA
3 16 (23.88%) Atlassian Bamboo
3 16 (23.88%) JUnit
4 15 (22.39%) Bitbucket
4 15 (22.39%) EasyMock
5 12 (17.91%) Git (software)
6 4 (5.97%) Selenium
7 2 (2.99%) Subversion
8 1 (1.49%) Cucumber
8 1 (1.49%) Eclipse
8 1 (1.49%) PHPUnit
8 1 (1.49%) Talend Open Studio
8 1 (1.49%) Vagrant
8 1 (1.49%) Visual Studio
General
1 13 (19.40%) Finance
2 12 (17.91%) Marketing
3 9 (13.43%) Telecoms
4 7 (10.45%) Electronics
4 7 (10.45%) Manufacturing
5 3 (4.48%) Games
6 2 (2.99%) Back Office
Job Titles
1 15 (22.39%) Software Engineer
2 13 (19.40%) Administrator
2 13 (19.40%) Systems Administrator
3 12 (17.91%) Linux Engineer
4 11 (16.42%) Java Engineer
4 11 (16.42%) Java Software Engineer
5 9 (13.43%) DevOps Engineer
5 9 (13.43%) Linux Administrator
5 9 (13.43%) Linux Systems Administrator
6 8 (11.94%) Graduate
6 8 (11.94%) Graduate Software Engineer
6 8 (11.94%) Infrastructure Engineer
7 7 (10.45%) Developer
8 6 (8.96%) Graduate Java Engineer
8 6 (8.96%) Graduate Java Software Engineer
8 6 (8.96%) PHP Developer
9 5 (7.46%) Analyst
9 5 (7.46%) Systems Engineer
10 4 (5.97%) PHP Web Developer
10 4 (5.97%) Web Developer
Libraries, Frameworks & Software Standards
1 15 (22.39%) EJB
1 15 (22.39%) Java EE
1 15 (22.39%) JSF
1 15 (22.39%) Spring
2 9 (13.43%) LAMP
3 6 (8.96%) .NET
4 5 (7.46%) CSS
4 5 (7.46%) HTML
4 5 (7.46%) Web Services
5 4 (5.97%) AngularJS
5 4 (5.97%) Aurelia
5 4 (5.97%) Backbone.js
5 4 (5.97%) Ember.js
5 4 (5.97%) LAPP Stack
5 4 (5.97%) Polymer
6 3 (4.48%) CAdES
6 3 (4.48%) Node.js
6 3 (4.48%) PAdES
6 3 (4.48%) RabbitMQ
6 3 (4.48%) XAdES
Miscellaneous
1 16 (23.88%) Wiki
2 3 (4.48%) Cybercrime
3 2 (2.99%) Fintech
3 2 (2.99%) Private Cloud
4 1 (1.49%) CESG
4 1 (1.49%) Cyberthreat
4 1 (1.49%) Data Centre
4 1 (1.49%) Derivative
4 1 (1.49%) Public Cloud
4 1 (1.49%) Replication
Operating Systems
1 67 (100.00%) Linux
2 26 (38.81%) Red Hat Enterprise Linux
3 25 (37.31%) Windows
4 10 (14.93%) Ubuntu
5 9 (13.43%) Windows Server
6 8 (11.94%) Unix
6 8 (11.94%) Windows Server 2012
7 6 (8.96%) Windows Server 2008
8 5 (7.46%) AIX
9 4 (5.97%) Debian
9 4 (5.97%) Solaris
10 2 (2.99%) Fedora
10 2 (2.99%) Oracle Linux
11 1 (1.49%) SUSE
11 1 (1.49%) VMS
11 1 (1.49%) Windows 2000
11 1 (1.49%) Windows Server 2003
Processes & Methodologies
1 36 (53.73%) DevOps
2 29 (43.28%) ITIL
3 28 (41.79%) Agile Software Development
4 23 (34.33%) Scrum
5 18 (26.87%) Open Source
6 16 (23.88%) OO
7 15 (22.39%) OOD
7 15 (22.39%) Service Delivery
7 15 (22.39%) Software Engineering
8 11 (16.42%) Continuous Integration
9 10 (14.93%) Programme Management
10 8 (11.94%) SDLC
11 7 (10.45%) Business Intelligence
11 7 (10.45%) Configuration Management
11 7 (10.45%) Cybersecurity
11 7 (10.45%) Digital Marketing
11 7 (10.45%) ITIL V3
12 6 (8.96%) E-Commerce
13 5 (7.46%) Continuous Delivery
13 5 (7.46%) MVC
Programming Languages
1 39 (58.21%) Python
2 27 (40.30%) Bash Shell
3 24 (35.82%) Java
4 19 (28.36%) C
5 15 (22.39%) C++
5 15 (22.39%) Perl
5 15 (22.39%) PHP
6 14 (20.90%) Shell Script
7 11 (16.42%) JavaScript
8 7 (10.45%) C#
8 7 (10.45%) Ruby
9 6 (8.96%) PowerShell
10 2 (2.99%) Jython
10 2 (2.99%) SQL
11 1 (1.49%) AWK
11 1 (1.49%) PHP 5
11 1 (1.49%) sed
Qualifications
1 27 (40.30%) Security Cleared
2 15 (22.39%) DV Cleared
3 3 (4.48%) CCNA
3 3 (4.48%) Cisco Certification
3 3 (4.48%) ISEB
3 3 (4.48%) ISTQB
3 3 (4.48%) VMware Certified Professional (VCP)
4 1 (1.49%) SC Cleared
Quality Assurance & Compliance
1 3 (4.48%) SLA
2 2 (2.99%) GPG13
2 2 (2.99%) QA
3 1 (1.49%) ISO/IEC 27001
System Software
1 12 (17.91%) VMware Infrastructure
2 5 (7.46%) Active Directory
2 5 (7.46%) KVM
3 4 (5.97%) Docker
4 2 (2.99%) Squid
4 2 (2.99%) VirtualBox
5 1 (1.49%) Hyper-V
5 1 (1.49%) iptables
5 1 (1.49%) RHEV
5 1 (1.49%) Virtual Machines
5 1 (1.49%) vSphere
5 1 (1.49%) Xen
Systems Management
1 17 (25.37%) Puppet
2 9 (13.43%) Opscode Chef
3 6 (8.96%) Nagios
4 5 (7.46%) Ansible
5 4 (5.97%) Grafana
6 3 (4.48%) Backup Exec
6 3 (4.48%) Graphite
6 3 (4.48%) Rundeck
6 3 (4.48%) ZABBIX
7 2 (2.99%) Check_MK
7 2 (2.99%) Juju
7 2 (2.99%) Pingdom
7 2 (2.99%) QRadar
7 2 (2.99%) RSA Archer
7 2 (2.99%) Salt
8 1 (1.49%) RSA enVision
Vendors
1 55 (82.09%) Red Hat
2 18 (26.87%) VMware
3 7 (10.45%) Cisco
3 7 (10.45%) SAP
4 6 (8.96%) Atlassian
5 4 (5.97%) HP
6 3 (4.48%) Oracle
7 2 (2.99%) ArcSight
7 2 (2.99%) Google
7 2 (2.99%) Infobright
7 2 (2.99%) Intel Security
7 2 (2.99%) Microsoft
7 2 (2.99%) New Relic
7 2 (2.99%) PagerDuty
7 2 (2.99%) Zend
8 1 (1.49%) LogRhythm
8 1 (1.49%) Rackspace
8 1 (1.49%) Talend
Bristol, Somerset
SQ Computer Personnel
Posted: 10 hours ago
Bristol, Avon
Itecco
Salary: £35000 per annum + Excellent Benefits
Posted: Yesterday
Gloucestershire
Informatiq Consulting
Salary: £40000 - £45000 per annum + Benefits
Posted: Yesterday
Bristol, Avon
Hargreaves Lansdown
Salary: Competitive Salary
Posted: Yesterday
Bristol, Avon
Hargreaves Lansdown
Salary: Competitive
Posted: Yesterday
Bristol, Avon
Sanderson
Salary: £30000 - £45000 per annum + Benefits
Posted: 2 days ago
Bristol, Avon
Sanderson
Salary: £30000 - £45000 per annum + Benefits
Posted: 5 days ago
Bristol, Avon
Haybrook IT Resourcing Ltd
Salary: Up to £42,000 per annum
Posted: 6 days ago
Bristol
FRG Technology Consulting
Posted: 13 days ago
Bristol
Vivid Resourcing
Posted: 22 days ago