Period
to 19 November 2017

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 19 November 2017 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
19 Nov 2017
Same period 2016 Same period 2015
Rank 102 108 101
Rank change year-on-year +6 -7 -71
Contract jobs citing CentOS 17 2 6
As % of all contract IT jobs advertised in Bristol 0.87% 0.12% 0.35%
As % of the Operating Systems category 4.52% 0.56% 1.91%
Number of daily rates quoted 15 1 6
Bristol median daily rate £325 £215 £325
Median daily rate % change year-on-year +51.16% -33.85% -18.75%
10th Percentile £300 £198 £311
90th Percentile £455 £233 £372
South West median daily rate £400 £450 £388
% change year-on-year -11.11% +16.13% -3.13%
Number of hourly rates quoted 0 0 0
Bristol median hourly rate - - -
South West median hourly rate £47.50 - -

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 376 354 314
As % of all contract IT jobs advertised in Bristol 19.31% 20.63% 18.15%
Number of daily rates quoted 229 239 198
Bristol median daily rate £350 £350 £375
Median daily rate % change year-on-year - -6.67% -
10th Percentile £146 £150 £128
90th Percentile £513 £558 £516
South West median daily rate £350 £350 £370
% change year-on-year - -5.41% +5.71%
Number of hourly rates quoted 28 32 40
Bristol median hourly rate £15.38 £17.50 £16.25
Median hourly rate % change year-on-year -12.14% +7.69% +14.04%
10th Percentile £11.75 £11.33 £11.73
90th Percentile £43.75 £43.93 £23.88
South West median hourly rate £17.50 £15.25 £17.50
% change year-on-year +14.75% -12.86% +2.94%

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 19 November 2017.

Contractor daily rate histogram for CentOS in Bristol

CentOS
Contract Job Locations in Bristol

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Bristol region over the 6 months to 19 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Avonmouth - 1 £400 -
CentOS
South West

For the 6 months to 19 November 2017, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Bristol region with a requirement for CentOS.

1 17 (100.00%) Linux
2 16 (94.12%) Python
2 16 (94.12%) Red Hat
3 14 (82.35%) Red Hat Enterprise Linux
4 10 (58.82%) WAN
4 10 (58.82%) LAN
4 10 (58.82%) Windows
5 9 (52.94%) NFS
5 9 (52.94%) Shell Script
5 9 (52.94%) Active Directory
5 9 (52.94%) Windows 7
5 9 (52.94%) Samba
5 9 (52.94%) Windows Server
5 9 (52.94%) Linux Command Line
6 8 (47.06%) NUKE
6 8 (47.06%) Houdini
6 8 (47.06%) Maya
6 8 (47.06%) Photoshop
7 7 (41.18%) Animation
7 7 (41.18%) Visual Effects
7 7 (41.18%) Puppet
8 6 (35.29%) Unix
8 6 (35.29%) Perl
9 5 (29.41%) Configuration Management
9 5 (29.41%) Git (software)
9 5 (29.41%) Docker
10 4 (23.53%) Continuous Delivery
10 4 (23.53%) Jenkins
10 4 (23.53%) DevOps
11 3 (17.65%) Continuous Improvement

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 3 (17.65%) Alfresco
1 3 (17.65%) Mule
1 3 (17.65%) Tomcat
2 2 (11.76%) Apache
Applications
1 8 (47.06%) Houdini
1 8 (47.06%) Maya
1 8 (47.06%) NUKE
1 8 (47.06%) Photoshop
Cloud Services
1 2 (11.76%) Amazon AWS
2 1 (5.88%) Amazon EC2
2 1 (5.88%) Amazon ELB
2 1 (5.88%) Amazon S3
2 1 (5.88%) AWS CloudFormation
2 1 (5.88%) Route 53
Communications & Networking
1 10 (58.82%) LAN
1 10 (58.82%) WAN
2 1 (5.88%) DHCP
2 1 (5.88%) Firewall
2 1 (5.88%) SMS
2 1 (5.88%) VPN
Database & Business Intelligence
1 2 (11.76%) MySQL
1 2 (11.76%) PostgreSQL
2 1 (5.88%) SQL Server
Development Applications
1 5 (29.41%) Git (software)
2 4 (23.53%) Jenkins
3 3 (17.65%) Atlassian Bamboo
4 2 (11.76%) Subversion
Job Titles
1 11 (64.71%) Administrator
2 10 (58.82%) Systems Administrator
3 9 (52.94%) Linux Administrator
4 8 (47.06%) Linux Systems Administrator
5 4 (23.53%) AWS DevOps
6 3 (17.65%) Linux/Unix DevOps
7 2 (11.76%) AWS Engineer
8 1 (5.88%) AWS Consultant
8 1 (5.88%) AWS DevOps Engineer
8 1 (5.88%) DevOps Consultant
8 1 (5.88%) DevOps Engineer
8 1 (5.88%) Java Consultant
8 1 (5.88%) Lead DevOps
8 1 (5.88%) Linux Consultant
8 1 (5.88%) Linux Engineer
8 1 (5.88%) Security Engineer
8 1 (5.88%) Solaris Engineer
8 1 (5.88%) Test Engineer
8 1 (5.88%) VMware Engineer
8 1 (5.88%) Windows Engineer
Libraries, Frameworks & Software Standards
1 3 (17.65%) Elastic Stack
2 2 (11.76%) LAMP
2 2 (11.76%) LAPP Stack
Miscellaneous
1 9 (52.94%) Linux Command Line
2 7 (41.18%) Animation
3 1 (5.88%) Computer Science
Operating Systems
1 17 (100.00%) Linux
2 14 (82.35%) Red Hat Enterprise Linux
3 10 (58.82%) Windows
4 9 (52.94%) Windows 7
4 9 (52.94%) Windows Server
5 6 (35.29%) Unix
6 3 (17.65%) Debian
7 2 (11.76%) Ubuntu
7 2 (11.76%) VMS
8 1 (5.88%) FreeBSD
8 1 (5.88%) Solaris
Processes & Methodologies
1 7 (41.18%) Visual Effects
2 5 (29.41%) Configuration Management
3 4 (23.53%) Continuous Delivery
3 4 (23.53%) DevOps
4 3 (17.65%) Continuous Improvement
4 3 (17.65%) Data Protection
4 3 (17.65%) Performance Optimisation
4 3 (17.65%) Scrum
4 3 (17.65%) Service Management
5 2 (11.76%) Security Monitoring
6 1 (5.88%) Agile Software Development
6 1 (5.88%) Continuous Integration
6 1 (5.88%) Cybersecurity
6 1 (5.88%) GAP Analysis
6 1 (5.88%) Penetration Testing
6 1 (5.88%) Vulnerability Management
Programming Languages
1 16 (94.12%) Python
2 9 (52.94%) Shell Script
3 6 (35.29%) Perl
4 3 (17.65%) Groovy
4 3 (17.65%) Java
5 2 (11.76%) Bash Shell
6 1 (5.88%) Ruby
Qualifications
1 1 (5.88%) AWS Certification
1 1 (5.88%) Security Cleared
Quality Assurance & Compliance
1 1 (5.88%) ISO/IEC 27001
1 1 (5.88%) PCI DSS
System Software
1 9 (52.94%) Active Directory
1 9 (52.94%) NFS
1 9 (52.94%) Samba
2 5 (29.41%) Docker
3 2 (11.76%) Firmware
3 2 (11.76%) Hyper-V
3 2 (11.76%) VMware Infrastructure
3 2 (11.76%) vSphere
3 2 (11.76%) Xen
4 1 (5.88%) VMware ESXi
Systems Management
1 7 (41.18%) Puppet
2 2 (11.76%) Bcfg2
3 1 (5.88%) Ansible
3 1 (5.88%) Nessus
3 1 (5.88%) Nexpose
3 1 (5.88%) Opscode Chef
3 1 (5.88%) Terraform
Vendors
1 16 (94.12%) Red Hat
2 2 (11.76%) VMware
3 1 (5.88%) Oracle
3 1 (5.88%) Rapid7