Period
to 20 June 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 20 June 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
20 Jun 2018
Same period 2017 Same period 2016
Rank 99 85 104
Rank change year-on-year -14 +19 -42
Contract jobs citing CentOS 7 18 3
As % of all contract IT jobs advertised in Bristol 0.41% 1.10% 0.17%
As % of the Operating Systems category 2.16% 6.79% 0.80%
Number of daily rates quoted 5 13 2
Bristol median daily rate £400 £400 £320
Median daily rate % change year-on-year - +25.00% -14.67%
10th Percentile £333 £332 £280
90th Percentile £473 £555 £368
South West median daily rate £500 £463 £425
% change year-on-year +8.11% +8.82% +13.33%
Number of hourly rates quoted 0 5 0
Bristol median hourly rate - £17.50 -
South West median hourly rate - £32.54 £8.50
% change year-on-year - +282.82% -

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 324 265 374
As % of all contract IT jobs advertised in Bristol 18.93% 16.18% 21.36%
Number of daily rates quoted 163 166 243
Bristol median daily rate £380 £355 £350
Median daily rate % change year-on-year +7.04% +1.43% -6.67%
10th Percentile £133 £175 £202
90th Percentile £522 £525 £475
South West median daily rate £375 £365 £363
% change year-on-year +2.74% +0.69% -
Number of hourly rates quoted 35 19 28
Bristol median hourly rate £17.50 £17.58 £31.00
Median hourly rate % change year-on-year -0.46% -43.29% +100.00%
10th Percentile £11.17 £13.30 £12.70
90th Percentile £47.00 £49.75 £52.33
South West median hourly rate £17.50 £17.77 £22.00
% change year-on-year -1.52% -19.23% +30.08%

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 20 June 2018.

Contractor daily rate histogram for CentOS in Bristol

For the 6 months to 20 June 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 7 (100.00%) Linux
1 7 (100.00%) Puppet
2 6 (85.71%) DevOps
3 4 (57.14%) Jenkins
3 4 (57.14%) Red Hat Enterprise Linux
3 4 (57.14%) Red Hat
4 3 (42.86%) VMware
4 3 (42.86%) Java
4 3 (42.86%) Git (software)
4 3 (42.86%) Atlassian Bamboo
4 3 (42.86%) Amazon AWS
4 3 (42.86%) Salt
4 3 (42.86%) Docker
4 3 (42.86%) Terraform
5 2 (28.57%) Ansible
5 2 (28.57%) VMware Infrastructure
5 2 (28.57%) MarkLogic
5 2 (28.57%) Continuous Integration
5 2 (28.57%) TCP/IP
5 2 (28.57%) VLAN
5 2 (28.57%) Python
5 2 (28.57%) Configuration Management
5 2 (28.57%) Firewall
5 2 (28.57%) Shell Script
5 2 (28.57%) Spring
5 2 (28.57%) Maven
6 1 (14.29%) Nagios
6 1 (14.29%) Agile Software Development
6 1 (14.29%) SMS
6 1 (14.29%) Perl

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 1 (14.29%) Alfresco
1 1 (14.29%) Mule
Cloud Services
1 3 (42.86%) Amazon AWS
2 1 (14.29%) AWS CloudFormation
2 1 (14.29%) Microsoft Azure
Communications & Networking
1 2 (28.57%) Firewall
1 2 (28.57%) TCP/IP
1 2 (28.57%) VLAN
2 1 (14.29%) SMS
Database & Business Intelligence
1 2 (28.57%) MarkLogic
2 1 (14.29%) NoSQL
Development Applications
1 4 (57.14%) Jenkins
2 3 (42.86%) Atlassian Bamboo
2 3 (42.86%) Git (software)
3 2 (28.57%) Maven
Job Titles
1 4 (57.14%) DevOps Engineer
2 3 (42.86%) AWS DevOps
2 3 (42.86%) AWS DevOps Engineer
2 3 (42.86%) AWS Engineer
3 2 (28.57%) Administrator
3 2 (28.57%) Java Engineer
3 2 (28.57%) Linux Administrator
3 2 (28.57%) Linux Systems Administrator
3 2 (28.57%) Systems Administrator
4 1 (14.29%) Automation Engineer
4 1 (14.29%) Azure DevOps
4 1 (14.29%) Azure DevOps Engineer
4 1 (14.29%) Azure Engineer
4 1 (14.29%) Cloud Automation Engineer
4 1 (14.29%) Cloud Engineer
4 1 (14.29%) Linux Engineer
4 1 (14.29%) Platform Engineer
4 1 (14.29%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 2 (28.57%) Spring
2 1 (14.29%) Elastic Stack
2 1 (14.29%) Spring Boot
Operating Systems
1 7 (100.00%) Linux
2 4 (57.14%) Red Hat Enterprise Linux
3 1 (14.29%) Unix
Processes & Methodologies
1 6 (85.71%) DevOps
2 2 (28.57%) Configuration Management
2 2 (28.57%) Continuous Integration
3 1 (14.29%) Agile Software Development
3 1 (14.29%) Continuous Deployment
3 1 (14.29%) Site Reliability Engineering
Programming Languages
1 3 (42.86%) Java
2 2 (28.57%) Python
2 2 (28.57%) Shell Script
3 1 (14.29%) Bash Shell
3 1 (14.29%) Groovy
3 1 (14.29%) Perl
System Software
1 3 (42.86%) Docker
2 2 (28.57%) VMware Infrastructure
Systems Management
1 7 (100.00%) Puppet
2 3 (42.86%) Salt
2 3 (42.86%) Terraform
3 2 (28.57%) Ansible
4 1 (14.29%) Kubernetes
4 1 (14.29%) Nagios
Vendors
1 4 (57.14%) Red Hat
2 3 (42.86%) VMware