The following table provides summary statistics for permanent job vacancies advertised in Bristol 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 27 June 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West / Bristol
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 128 114 103
Rank change year-on-year -14 -11  
Permanent jobs citing CentOS 17 3 31
As % of all permanent IT jobs advertised in Bristol 0.91% 0.19% 1.60%
As % of the Operating Systems category 4.17% 0.85% 5.71%
Number of salaries quoted 16 3 30
Median salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.66%  
UK excluding London median salary £45,000 £47,500 £40,000
% change year-on-year -5.26% +18.75%  

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 Bristol with a requirement for operating system skills.

Operating System Skills
Bristol
Permanent job vacancies with a requirement for operating system skills 408 352 543
As % of all permanent IT job vacancies advertised in Bristol 21.88% 22.04% 28.08%
Number of salaries quoted 334 327 499
Median salary £40,000 £33,000 £40,000
Median salary % change year-on-year +21.21% -17.50%  
90% offered a salary of more than £26,900 £22,000 £25,000
10% offered a salary of more than £57,600 £67,500 £57,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Bristol

The job posting trend of jobs advertised in Bristol 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 Bristol

CentOS
Salary Trend in Bristol

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

Salary trend for CentOS in Bristol

CentOS
Salary Histogram in Bristol

The salary distribution of IT jobs citing CentOS in Bristol over the 3 months to 27 June 2017.

Salary histogram for CentOS in Bristol

For the 6 months to 27 June 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 Bristol region with a requirement for CentOS.

1 30 (100.00%) Linux
2 27 (90.00%) Red Hat
3 18 (60.00%) Windows
4 16 (53.33%) VMware
5 14 (46.67%) Firewall
5 14 (46.67%) Shell Script
5 14 (46.67%) Cisco
6 13 (43.33%) AIX
6 13 (43.33%) Windows Server
7 12 (40.00%) SAN
7 12 (40.00%) NAS
8 11 (36.67%) Windows Server 2008
8 11 (36.67%) Windows Server 2012
8 11 (36.67%) DevOps
9 10 (33.33%) Cisco ASA
10 9 (30.00%) Red Hat Enterprise Linux
10 9 (30.00%) VMware Certified Professional (VCP)
10 9 (30.00%) Project Management
10 9 (30.00%) Cisco Certification
10 9 (30.00%) CCNA
11 8 (26.67%) ITIL
12 7 (23.33%) Apache
12 7 (23.33%) Amazon AWS
13 6 (20.00%) VMware Infrastructure
13 6 (20.00%) Bash Shell
13 6 (20.00%) Active Directory
13 6 (20.00%) Web Services
14 5 (16.67%) SQL Server
14 5 (16.67%) IIS
14 5 (16.67%) C#

CentOS
Co-occurring IT Skills in Bristol 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 7 (23.33%) Apache
2 5 (16.67%) IIS
3 1 (3.33%) Confluence
3 1 (3.33%) nginx
3 1 (3.33%) OpenStack
Business Applications
1 2 (6.67%) SAP Oil and Gas
Cloud Services
1 7 (23.33%) Amazon AWS
2 2 (6.67%) Microsoft Azure
3 1 (3.33%) AWS CloudFormation
3 1 (3.33%) IaaS
3 1 (3.33%) PaaS
Communications & Networking
1 14 (46.67%) Firewall
2 12 (40.00%) NAS
2 12 (40.00%) SAN
3 10 (33.33%) Cisco ASA
4 1 (3.33%) DNS
4 1 (3.33%) IP Telephony
4 1 (3.33%) SMS
4 1 (3.33%) Unified Communications
4 1 (3.33%) VoIP
Database & Business Intelligence
1 5 (16.67%) SQL Server
2 4 (13.33%) MySQL
3 2 (6.67%) MongoDB
3 2 (6.67%) PostgreSQL
Development Applications
1 3 (10.00%) Git (software)
2 2 (6.67%) Jenkins
2 2 (6.67%) Subversion
3 1 (3.33%) Atlassian Bamboo
3 1 (3.33%) Cucumber
3 1 (3.33%) JIRA
3 1 (3.33%) JUnit
3 1 (3.33%) PHPUnit
3 1 (3.33%) Selenium
3 1 (3.33%) Vagrant
General
1 5 (16.67%) Finance
2 3 (10.00%) Marketing
3 2 (6.67%) Electronics
3 2 (6.67%) Manufacturing
3 2 (6.67%) Telecoms
Job Titles
1 11 (36.67%) 3rd Line Support
1 11 (36.67%) Linux Support
2 9 (30.00%) DevOps Engineer
3 7 (23.33%) 3rd Line Support Analyst
3 7 (23.33%) Analyst
3 7 (23.33%) Support Analyst
4 6 (20.00%) Customer Analyst
4 6 (20.00%) Wintel Analyst
4 6 (20.00%) Wintel Support
4 6 (20.00%) Wintel Support Analyst
5 5 (16.67%) Linux Engineer
6 4 (13.33%) AIX Support
6 4 (13.33%) Support Engineer
7 3 (10.00%) Cisco Support
7 3 (10.00%) Developer
7 3 (10.00%) Linux Scripter
7 3 (10.00%) Linux/Unix DevOps
7 3 (10.00%) PHP Developer
7 3 (10.00%) Senior Developer
7 3 (10.00%) Senior PHP Developer
Libraries, Frameworks & Software Standards
1 6 (20.00%) Web Services
2 5 (16.67%) .NET
3 3 (10.00%) CSS
3 3 (10.00%) HTML
3 3 (10.00%) LAMP
4 2 (6.67%) LAPP Stack
5 1 (3.33%) Behat
5 1 (3.33%) LEMP Stack
5 1 (3.33%) Loki
5 1 (3.33%) Node.js
Miscellaneous
1 3 (10.00%) Greenfield Project
2 2 (6.67%) Fintech
3 1 (3.33%) Data Centre
3 1 (3.33%) Wiki
Operating Systems
1 30 (100.00%) Linux
2 18 (60.00%) Windows
3 13 (43.33%) AIX
3 13 (43.33%) Windows Server
4 11 (36.67%) Windows Server 2008
4 11 (36.67%) Windows Server 2012
5 9 (30.00%) Red Hat Enterprise Linux
6 3 (10.00%) Ubuntu
7 2 (6.67%) Debian
7 2 (6.67%) Solaris
8 1 (3.33%) Fedora
8 1 (3.33%) SUSE
8 1 (3.33%) Unix
Processes & Methodologies
1 11 (36.67%) DevOps
2 9 (30.00%) Project Management
3 8 (26.67%) ITIL
4 5 (16.67%) Dashboard Development
5 4 (13.33%) Agile Software Development
6 3 (10.00%) API Development
7 2 (6.67%) Business Intelligence
7 2 (6.67%) Configuration Management
7 2 (6.67%) Digital Marketing
7 2 (6.67%) Programme Management
8 1 (3.33%) BDD
8 1 (3.33%) Benchmarking
8 1 (3.33%) Continuous Delivery
8 1 (3.33%) Continuous Integration
8 1 (3.33%) Migration
8 1 (3.33%) Mobile Device Management
8 1 (3.33%) MVC
8 1 (3.33%) Performance Testing
8 1 (3.33%) PRINCE2
8 1 (3.33%) Test Automation
Programming Languages
1 14 (46.67%) Shell Script
2 6 (20.00%) Bash Shell
3 5 (16.67%) C#
3 5 (16.67%) PHP
3 5 (16.67%) PowerShell
4 4 (13.33%) JavaScript
4 4 (13.33%) Perl
5 3 (10.00%) Python
6 1 (3.33%) Java
Qualifications
1 9 (30.00%) CCNA
1 9 (30.00%) Cisco Certification
1 9 (30.00%) VMware Certified Professional (VCP)
2 1 (3.33%) AWS Certification
Quality Assurance & Compliance
1 3 (10.00%) SLA
2 1 (3.33%) ISO/IEC 27001
2 1 (3.33%) QA
System Software
1 6 (20.00%) Active Directory
1 6 (20.00%) VMware Infrastructure
2 2 (6.67%) RHEV
3 1 (3.33%) Docker
3 1 (3.33%) Hyper-V
3 1 (3.33%) KVM
3 1 (3.33%) Squid
3 1 (3.33%) VirtualBox
Systems Management
1 5 (16.67%) Puppet
2 3 (10.00%) Ansible
2 3 (10.00%) Nagios
3 1 (3.33%) Cobbler
3 1 (3.33%) Terraform
3 1 (3.33%) ZABBIX
Vendors
1 27 (90.00%) Red Hat
2 16 (53.33%) VMware
3 14 (46.67%) Cisco
4 2 (6.67%) SAP
5 1 (3.33%) Atlassian
5 1 (3.33%) BroadSoft
5 1 (3.33%) Oracle
5 1 (3.33%) Polycom
5 1 (3.33%) SolarWinds
5 1 (3.33%) Sonus
5 1 (3.33%) Yealink
Bristol, Avon
Haybrook IT Resourcing Ltd
Salary: Up to £45,000 per annum
Posted: 13 hours ago
Bristol
Bluetown Online LTD
Posted: 21 days ago