Period
to 20 March 2019

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 March 2019 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 Mar 2019
Same period 2018 Same period 2017
Rank 109 95 88
Rank change year-on-year -14 -7 +14
Contract jobs citing CentOS 13 13 10
As % of all contract IT jobs advertised in Bristol 0.65% 0.71% 0.64%
As % of the Operating Systems category 3.49% 3.77% 4.02%
Number of daily rates quoted 6 12 4
Bristol median daily rate £475 £338 £465
Median daily rate % change year-on-year +40.74% -27.42% +32.86%
10th Percentile £388 £266 £400
90th Percentile £588 £470 £553
South West median daily rate £515 £450 £450
% change year-on-year +14.44% - +5.88%
Number of hourly rates quoted 0 0 5
Bristol median hourly rate - - £17.50
South West median hourly rate - - £17.50

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 373 345 249
As % of all contract IT jobs advertised in Bristol 18.62% 18.82% 16.04%
Number of daily rates quoted 212 203 152
Bristol median daily rate £400 £375 £325
Median daily rate % change year-on-year +6.67% +15.38% -7.14%
10th Percentile £125 £141 £135
90th Percentile £575 £535 £538
South West median daily rate £400 £388 £350
% change year-on-year +3.23% +10.71% -0.07%
Number of hourly rates quoted 31 32 29
Bristol median hourly rate £17.50 £15.48 £18.50
Median hourly rate % change year-on-year +13.09% -16.35% +2.78%
10th Percentile £12.22 £11.75 £10.45
90th Percentile £48.75 £25.03 £53.75
South West median hourly rate £35.00 £15.48 £17.25
% change year-on-year +126.17% -10.29% -21.59%

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 March 2019.

Contractor daily rate histogram for CentOS in Bristol

For the 6 months to 20 March 2019, 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 13 (100.00%) Linux
2 11 (84.62%) Red Hat Enterprise Linux
3 9 (69.23%) Python
4 8 (61.54%) Windows
5 6 (46.15%) NFS
5 6 (46.15%) Red Hat
5 6 (46.15%) Active Directory
5 6 (46.15%) Bash Shell
5 6 (46.15%) Windows Server
6 5 (38.46%) Windows 7
6 5 (38.46%) Samba
6 5 (38.46%) Shell Script
6 5 (38.46%) LAN
6 5 (38.46%) WAN
7 3 (23.08%) Cisco
7 3 (23.08%) Ruby
7 3 (23.08%) Ubuntu
7 3 (23.08%) DevOps
7 3 (23.08%) Linux Command Line
8 2 (15.38%) Docker Swarm
8 2 (15.38%) Infrastructure Engineering
8 2 (15.38%) Amazon AWS
8 2 (15.38%) Visualisation
8 2 (15.38%) Icinga
8 2 (15.38%) Software-Defined Networking
8 2 (15.38%) Datadog
8 2 (15.38%) Elastic Stack
8 2 (15.38%) Terraform
8 2 (15.38%) Grafana
8 2 (15.38%) AWS CloudFormation

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 (15.38%) Confluence
1 2 (15.38%) IIS
Cloud Services
1 2 (15.38%) Amazon AWS
1 2 (15.38%) AWS CloudFormation
1 2 (15.38%) Datadog
2 1 (7.69%) Microsoft Azure
Communications & Networking
1 5 (38.46%) LAN
1 5 (38.46%) WAN
2 2 (15.38%) Software-Defined Networking
Database & Business Intelligence
1 2 (15.38%) PostgreSQL
1 2 (15.38%) SQL Server
Development Applications
1 2 (15.38%) Jenkins
1 2 (15.38%) JIRA
1 2 (15.38%) TeamCity
2 1 (7.69%) Git (software)
2 1 (7.69%) GitLab
General
1 2 (15.38%) Finance
1 2 (15.38%) Games
Job Titles
1 6 (46.15%) Administrator
1 6 (46.15%) Linux Administrator
1 6 (46.15%) Linux Systems Administrator
1 6 (46.15%) Systems Administrator
2 2 (15.38%) AWS DevOps
2 2 (15.38%) AWS DevOps Engineer
2 2 (15.38%) AWS Engineer
2 2 (15.38%) DevOps Engineer
2 2 (15.38%) Infrastructure Engineer
2 2 (15.38%) Network Engineer
2 2 (15.38%) Network Infrastructure Engineer
2 2 (15.38%) Senior Infrastructure Engineer
2 2 (15.38%) Senior Network Engineer
2 2 (15.38%) Windows DevOps Engineer
2 2 (15.38%) Windows Engineer
3 1 (7.69%) DevOps Specialist
3 1 (7.69%) Linux Engineer
3 1 (7.69%) Linux Systems Engineer
3 1 (7.69%) Systems Engineer
Libraries, Frameworks & Software Standards
1 2 (15.38%) .NET
1 2 (15.38%) Elastic Stack
Miscellaneous
1 3 (23.08%) Linux Command Line
2 2 (15.38%) Animation
3 1 (7.69%) Data Centre
Operating Systems
1 13 (100.00%) Linux
2 11 (84.62%) Red Hat Enterprise Linux
3 8 (61.54%) Windows
4 6 (46.15%) Windows Server
5 5 (38.46%) Windows 7
6 3 (23.08%) Ubuntu
7 1 (7.69%) VMS
Processes & Methodologies
1 3 (23.08%) DevOps
2 2 (15.38%) Configuration Management
2 2 (15.38%) Continuous Delivery
2 2 (15.38%) Continuous Integration
2 2 (15.38%) Infrastructure Engineering
2 2 (15.38%) Network Design
2 2 (15.38%) Network Management
2 2 (15.38%) Server Monitoring
2 2 (15.38%) Visualisation
3 1 (7.69%) Migration
3 1 (7.69%) Visual Effects
Programming Languages
1 9 (69.23%) Python
2 6 (46.15%) Bash Shell
3 5 (38.46%) Shell Script
4 3 (23.08%) Ruby
5 2 (15.38%) PowerShell
6 1 (7.69%) Perl
Qualifications
1 2 (15.38%) CCNA
1 2 (15.38%) Cisco Certification
System Software
1 6 (46.15%) Active Directory
1 6 (46.15%) NFS
2 5 (38.46%) Samba
3 2 (15.38%) Docker
3 2 (15.38%) Hyper-V
Systems Management
1 2 (15.38%) Docker Swarm
1 2 (15.38%) Grafana
1 2 (15.38%) Icinga
1 2 (15.38%) Kubernetes
1 2 (15.38%) Nagios
1 2 (15.38%) Opscode Chef
1 2 (15.38%) Puppet
1 2 (15.38%) Terraform
Vendors
1 6 (46.15%) Red Hat
2 3 (23.08%) Cisco
3 2 (15.38%) Atlassian
3 2 (15.38%) Microsoft