Period
to 25 April 2018

The following table provides summary statistics for contract job vacancies advertised in Bristol with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 25 April 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
South West > Bristol
6 months to
25 Apr 2018
Same period 2017 Same period 2016
Rank 94 92 104
Rank change year-on-year -2 +12 -57
Contract jobs citing CentOS 11 12 4
As % of all contract IT jobs advertised in Bristol 0.64% 0.76% 0.23%
As % of the Operating Systems category 3.28% 5.31% 1.25%
Number of daily rates quoted 9 6 3
Bristol median daily rate £325 £465 £350
Median daily rate % change year-on-year -30.11% +32.86% -12.50%
10th Percentile £260 £350 £285
90th Percentile £403 £581 £395
South West median daily rate £450 £460 £400
% change year-on-year -2.17% +15.00% -
Number of hourly rates quoted 0 5 0
Bristol median hourly rate - £17.50 -
South West median hourly rate - £17.50 £8.50
% change year-on-year - +105.88% -

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Bristol with a requirement for operating system skills.

All Operating Systems
Bristol
Contract vacancies with a requirement for operating system skills 335 226 321
As % of all contract IT jobs advertised in Bristol 19.51% 14.22% 18.75%
Number of daily rates quoted 178 135 210
Bristol median daily rate £375 £338 £350
Median daily rate % change year-on-year +11.11% -3.57% -6.67%
10th Percentile £144 £157 £149
90th Percentile £513 £538 £438
South West median daily rate £385 £350 £350
% change year-on-year +10.00% - -3.45%
Number of hourly rates quoted 33 25 32
Bristol median hourly rate £15.45 £17.58 £23.25
Median hourly rate % change year-on-year -12.12% -24.39% +50.00%
10th Percentile £11.29 £10.35 £13.77
90th Percentile £20.75 £51.75 £52.25
South West median hourly rate £17.00 £17.50 £25.00
% change year-on-year -2.86% -30.00% +42.86%

CentOS
Job Vacancy Trend in Bristol

Job postings citing CentOS as a percentage of all IT jobs advertised in Bristol.

Job vacancy trend for CentOS in Bristol

CentOS
Contractor Daily Rate Trend in Bristol

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in Bristol.

Contractor daily rate trend for CentOS in Bristol

CentOS
Contractor Daily Rate Histogram in Bristol

The daily rate distribution of IT jobs citing CentOS in Bristol over the 6 months to 25 April 2018.

Contractor daily rate histogram for CentOS in Bristol

For the 6 months to 25 April 2018, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Bristol region with a requirement for CentOS.

1 11 (100.00%) Linux
2 10 (90.91%) Red Hat
3 7 (63.64%) Red Hat Enterprise Linux
4 6 (54.55%) Puppet
4 6 (54.55%) Python
4 6 (54.55%) Windows
4 6 (54.55%) Windows Server
5 4 (36.36%) Perl
5 4 (36.36%) Active Directory
5 4 (36.36%) VMware
6 3 (27.27%) Shell Script
6 3 (27.27%) Maya
6 3 (27.27%) Samba
6 3 (27.27%) NFS
6 3 (27.27%) Photoshop
6 3 (27.27%) Unix
6 3 (27.27%) Jenkins
6 3 (27.27%) Git (software)
6 3 (27.27%) Windows 7
6 3 (27.27%) Houdini
6 3 (27.27%) DevOps
6 3 (27.27%) NUKE
6 3 (27.27%) Security Monitoring
6 3 (27.27%) Linux Command Line
7 2 (18.18%) Ansible
7 2 (18.18%) Docker
7 2 (18.18%) Elastic Stack
7 2 (18.18%) Alfresco
7 2 (18.18%) Mule
7 2 (18.18%) Groovy

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 2 (18.18%) Alfresco
1 2 (18.18%) Mule
2 1 (9.09%) Apache
2 1 (9.09%) Tomcat
Applications
1 3 (27.27%) Houdini
1 3 (27.27%) Maya
1 3 (27.27%) NUKE
1 3 (27.27%) Photoshop
Cloud Services
1 2 (18.18%) Amazon AWS
2 1 (9.09%) AWS CloudFormation
2 1 (9.09%) Microsoft Azure
Communications & Networking
1 2 (18.18%) LAN
1 2 (18.18%) WAN
Database & Business Intelligence
1 1 (9.09%) MySQL
1 1 (9.09%) NoSQL
1 1 (9.09%) PostgreSQL
Development Applications
1 3 (27.27%) Git (software)
1 3 (27.27%) Jenkins
2 2 (18.18%) Atlassian Bamboo
3 1 (9.09%) Maven
3 1 (9.09%) Subversion
Job Titles
1 4 (36.36%) Administrator
2 3 (27.27%) DevOps Engineer
2 3 (27.27%) Linux Engineer
2 3 (27.27%) Systems Administrator
3 2 (18.18%) 3rd Line Engineer
3 2 (18.18%) AWS DevOps
3 2 (18.18%) AWS DevOps Engineer
3 2 (18.18%) AWS Engineer
3 2 (18.18%) Linux Administrator
4 1 (9.09%) 3rd Line Infrastructure Engineer
4 1 (9.09%) Automation Engineer
4 1 (9.09%) Azure DevOps
4 1 (9.09%) Azure DevOps Engineer
4 1 (9.09%) Azure Engineer
4 1 (9.09%) Cloud Automation Engineer
4 1 (9.09%) Cloud Engineer
4 1 (9.09%) Infrastructure Engineer
4 1 (9.09%) Linux DevOps Engineer
4 1 (9.09%) Linux Systems Administrator
4 1 (9.09%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 2 (18.18%) Elastic Stack
2 1 (9.09%) LAMP
2 1 (9.09%) LAPP Stack
Miscellaneous
1 3 (27.27%) Linux Command Line
2 1 (9.09%) Animation
2 1 (9.09%) Self-Motivation
Operating Systems
1 11 (100.00%) Linux
2 7 (63.64%) Red Hat Enterprise Linux
3 6 (54.55%) Windows
3 6 (54.55%) Windows Server
4 3 (27.27%) Unix
4 3 (27.27%) Windows 7
5 2 (18.18%) Windows Server 2008
5 2 (18.18%) Windows Server 2012
6 1 (9.09%) Debian
6 1 (9.09%) VMS
Processes & Methodologies
1 3 (27.27%) DevOps
1 3 (27.27%) Security Monitoring
2 2 (18.18%) Configuration Management
3 1 (9.09%) Continuous Delivery
3 1 (9.09%) Continuous Deployment
3 1 (9.09%) Continuous Improvement
3 1 (9.09%) Continuous Integration
3 1 (9.09%) Data Protection
3 1 (9.09%) Performance Optimisation
3 1 (9.09%) Service Management
3 1 (9.09%) Visual Effects
Programming Languages
1 6 (54.55%) Python
2 4 (36.36%) Perl
3 3 (27.27%) Shell Script
4 2 (18.18%) Bash Shell
4 2 (18.18%) Groovy
5 1 (9.09%) Java
5 1 (9.09%) PowerShell
System Software
1 4 (36.36%) Active Directory
2 3 (27.27%) NFS
2 3 (27.27%) Samba
3 2 (18.18%) Docker
3 2 (18.18%) Firmware
4 1 (9.09%) Hyper-V
4 1 (9.09%) Xen
Systems Management
1 6 (54.55%) Puppet
2 2 (18.18%) Ansible
3 1 (9.09%) Bcfg2
3 1 (9.09%) Kubernetes
3 1 (9.09%) Nagios
3 1 (9.09%) Salt
3 1 (9.09%) Terraform
Vendors
1 10 (90.91%) Red Hat
2 4 (36.36%) VMware