The table below looks at the statistics for CentOS skills in IT jobs advertised for the Bristol region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 24 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
24 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 120 96 107
Rank change year-on-year
-24 +11
Permanent jobs citing CentOS 4 32 21
As % of all permanent IT jobs located in Bristol 0.23% 1.65% 1.04%
As % of the Operating Systems category 1.13% 6.35% 4.37%
Number of salaries quoted 4 31 21
Median salary £40,000 £40,000 £37,500
Median salary % change year-on-year
- +6.66%
90% offered a salary of more than £38,250 £30,000 £30,000
10% offered a salary of more than £50,500 £70,000 £45,000
UK excluding London median salary £50,000 £42,500 £37,500
% change year-on-year
+17.64% +13.33%
CentOS
South West

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Bristol region.

Operating Systems Category
Bristol
Permanent IT job ads with a match in the
Operating Systems category
353 504 481
As % of all permanent IT jobs located in Bristol 20.55% 25.97% 23.80%
Number of salaries quoted 327 453 412
Median salary £35,500 £39,000 £37,500
Median salary % change year-on-year
-8.97% +4.00%
90% offered a salary of more than £22,000 £25,000 £25,000
10% offered a salary of more than £62,500 £52,500 £67,500
UK excluding London median salary £37,500 £37,500 £36,000
% change year-on-year
- +4.16%

CentOS
Jobs Demand Trend in Bristol

The demand trend of job ads across the Bristol region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Bristol

CentOS
Salary Trend in Bristol

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

CentOS Salary Trend in Bristol

CentOS
Salary Histogram in Bristol

This chart provides a salary histogram for IT jobs citing CentOS across the Bristol region over the 3 months to 24 May 2016.

CentOS Salary Histogram in Bristol

CentOS
Top 30 Related IT Skills in Bristol

For the 6 months to 24 May 2016, 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 12 (100.00%) Linux
1 12 (100.00%) Red Hat
2 9 (75.00%) Windows
2 9 (75.00%) VMware
3 8 (66.67%) VMware Infrastructure
4 7 (58.33%) Windows Server 2008
4 7 (58.33%) DNS
5 6 (50.00%) Microsoft
5 6 (50.00%) Windows Server 2003
5 6 (50.00%) Intel Security
5 6 (50.00%) FTP
5 6 (50.00%) HTTP
5 6 (50.00%) Windows 2000
5 6 (50.00%) SC Cleared
5 6 (50.00%) Security Cleared
5 6 (50.00%) Workflow
5 6 (50.00%) Vulnerability Assessment
5 6 (50.00%) ArcSight
5 6 (50.00%) SIEM
5 6 (50.00%) Cybersecurity
5 6 (50.00%) GPG13
5 6 (50.00%) Mentoring
5 6 (50.00%) QRadar
5 6 (50.00%) RSA Archer
6 4 (33.33%) DevOps
6 4 (33.33%) Amazon AWS
6 4 (33.33%) Red Hat Enterprise Linux
6 4 (33.33%) Python
7 3 (25.00%) Bash Shell
7 3 (25.00%) Agile Software Development

CentOS
Top Related 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 1 (8.33%) IIS
Applications
1 1 (8.33%) HipChat
Cloud Services
1 4 (33.33%) Amazon AWS
2 2 (16.67%) Amazon EC2
2 2 (16.67%) SaaS
3 1 (8.33%) Google Apps
Communications & Networking
1 7 (58.33%) DNS
2 6 (50.00%) FTP
2 6 (50.00%) HTTP
3 1 (8.33%) DHCP
3 1 (8.33%) Internet
Database & Business Intelligence
1 2 (16.67%) SQL Server
2 1 (8.33%) MarkLogic
2 1 (8.33%) PostgreSQL
Development Applications
1 1 (8.33%) JIRA
General
1 2 (16.67%) Electronics
1 2 (16.67%) Manufacturing
1 2 (16.67%) Telecoms
Job Titles
1 6 (50.00%) Security Engineer
2 5 (41.67%) Cybersecurity Engineer
3 4 (33.33%) Administrator
3 4 (33.33%) SIEM Engineer
3 4 (33.33%) Systems Administrator
4 3 (25.00%) Senior Security Engineer
5 2 (16.67%) DevOps Administrator
5 2 (16.67%) DevOps Engineer
5 2 (16.67%) Linux Administrator
5 2 (16.67%) Linux DevOps Administrator
5 2 (16.67%) Linux Systems Administrator
5 2 (16.67%) Linux/Unix DevOps
6 1 (8.33%) 2nd/3rd Line Support
6 1 (8.33%) Automation Engineer
6 1 (8.33%) IT Engineer
6 1 (8.33%) IT Security Engineer
6 1 (8.33%) Systems Support Engineer
6 1 (8.33%) Windows Administrator
6 1 (8.33%) Windows Server Engineer
6 1 (8.33%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 2 (16.67%) Web Services
2 1 (8.33%) .NET
Miscellaneous
1 2 (16.67%) Computer Science
2 1 (8.33%) Management Information System
2 1 (8.33%) Wiki
Operating Systems
1 12 (100.00%) Linux
2 9 (75.00%) Windows
3 7 (58.33%) Windows Server 2008
4 6 (50.00%) Windows 2000
4 6 (50.00%) Windows Server 2003
5 4 (33.33%) Red Hat Enterprise Linux
6 3 (25.00%) Windows Server
7 2 (16.67%) Ubuntu
8 1 (8.33%) Fedora
8 1 (8.33%) Windows Server 2012
Processes & Methodologies
1 6 (50.00%) Cybersecurity
1 6 (50.00%) Mentoring
1 6 (50.00%) SIEM
1 6 (50.00%) Vulnerability Assessment
1 6 (50.00%) Workflow
2 4 (33.33%) DevOps
3 3 (25.00%) Agile Software Development
4 2 (16.67%) Analytics
4 2 (16.67%) ERP
5 1 (8.33%) Configuration Management
5 1 (8.33%) Continuous Improvement
5 1 (8.33%) Dashboard Development
5 1 (8.33%) Escalation Management
5 1 (8.33%) ITIL
5 1 (8.33%) Migration
5 1 (8.33%) Performance Monitoring
5 1 (8.33%) Performance Tuning
Programming Languages
1 4 (33.33%) Python
2 3 (25.00%) Bash Shell
3 2 (16.67%) Perl
3 2 (16.67%) PowerShell
3 2 (16.67%) SQL
4 1 (8.33%) C#
Qualifications
1 6 (50.00%) SC Cleared
1 6 (50.00%) Security Cleared
2 2 (16.67%) Degree
Quality Assurance & Compliance
1 6 (50.00%) GPG13
System Software
1 8 (66.67%) VMware Infrastructure
Systems Management
1 6 (50.00%) QRadar
1 6 (50.00%) RSA Archer
2 2 (16.67%) Capistrano
2 2 (16.67%) Puppet
2 2 (16.67%) RSA Security Analytics
Vendors
1 12 (100.00%) Red Hat
2 9 (75.00%) VMware
3 6 (50.00%) ArcSight
3 6 (50.00%) Intel Security
3 6 (50.00%) Microsoft
4 2 (16.67%) AlienVault
4 2 (16.67%) HP
4 2 (16.67%) LogRhythm
4 2 (16.67%) SolarWinds
4 2 (16.67%) Splunk
5 1 (8.33%) Atlassian
5 1 (8.33%) Google
5 1 (8.33%) NetApp
5 1 (8.33%) Oracle