Period
to 19 October 2018

The following table provides summary statistics for contract job vacancies advertised in West Yorkshire 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 October 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
Yorkshire > West Yorkshire
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 137 138 129
Rank change year-on-year +1 -9 +14
Contract jobs citing CentOS 30 12 50
As % of all contract IT jobs advertised in West Yorkshire 0.88% 0.41% 1.31%
As % of the Operating Systems category 4.85% 2.20% 6.17%
Number of daily rates quoted 20 12 49
West Yorkshire median daily rate £463 £450 £438
Median daily rate % change year-on-year +2.78% +2.86% +45.83%
10th Percentile £403 £410 £213
90th Percentile £541 £556 £565
Yorkshire median daily rate £463 £475 £425
% change year-on-year -2.63% +11.76% +41.67%
Number of hourly rates quoted 1 0 0
West Yorkshire median hourly rate £18.99 - -
Yorkshire median hourly rate £18.99 - -

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 West Yorkshire with a requirement for operating system skills.

All Operating Systems
West Yorkshire
Contract vacancies with a requirement for operating system skills 619 546 811
As % of all contract IT jobs advertised in West Yorkshire 18.06% 18.61% 21.26%
Number of daily rates quoted 327 327 517
West Yorkshire median daily rate £400 £420 £400
Median daily rate % change year-on-year -4.76% +5.00% +6.67%
10th Percentile £213 £206 £238
90th Percentile £568 £550 £550
Yorkshire median daily rate £400 £418 £400
% change year-on-year -4.19% +4.38% +6.67%
Number of hourly rates quoted 64 42 28
West Yorkshire median hourly rate £13.50 £12.50 £13.50
Median hourly rate % change year-on-year +8.00% -7.41% -2.67%
10th Percentile £10.25 £9.38 £8.70
90th Percentile £22.72 £21.68 £24.13
Yorkshire median hourly rate £14.07 £12.50 £14.57
% change year-on-year +12.54% -14.18% +16.52%

CentOS
Job Vacancy Trend in West Yorkshire

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

Job vacancy trend for CentOS in West Yorkshire

CentOS
Contractor Daily Rate Trend in West Yorkshire

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

Contractor daily rate trend for CentOS in West Yorkshire

CentOS
Contractor Daily Rate Histogram in West Yorkshire

The daily rate distribution of IT jobs citing CentOS in West Yorkshire over the 6 months to 19 October 2018.

Contractor daily rate histogram for CentOS in West Yorkshire

CentOS
Contractor Hourly Rate Trend in West Yorkshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CentOS in West Yorkshire.

Contractor hourly rate trend for CentOS in West Yorkshire

CentOS
Contract Job Locations in West Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the West Yorkshire region over the 6 months to 19 October 2018. 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
Leeds +2 22 £450 +5.88% 5
Bradford - 1 - - 4
CentOS
Yorkshire

For the 6 months to 19 October 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 West Yorkshire region with a requirement for CentOS.

1 30 (100.00%) Linux
2 23 (76.67%) Amazon AWS
2 23 (76.67%) Puppet
2 23 (76.67%) DevOps
3 22 (73.33%) Docker
3 22 (73.33%) Python
3 22 (73.33%) Red Hat Enterprise Linux
4 21 (70.00%) Terraform
5 20 (66.67%) Jenkins
6 19 (63.33%) Amazon EC2
6 19 (63.33%) Microservices
6 19 (63.33%) SonarQube
7 18 (60.00%) Kubernetes
7 18 (60.00%) MongoDB
7 18 (60.00%) MySQL
8 15 (50.00%) Route 53
8 15 (50.00%) Packer
8 15 (50.00%) Grafana
8 15 (50.00%) Elastic Stack
9 14 (46.67%) Amazon S3
9 14 (46.67%) HTTP
10 13 (43.33%) Apache Cassandra
10 13 (43.33%) Amazon ELB
10 13 (43.33%) Infrastructure Monitoring
10 13 (43.33%) Virtual Private Cloud
10 13 (43.33%) GitLab
10 13 (43.33%) Prometheus
11 12 (40.00%) Black Duck
11 12 (40.00%) Rancher
12 11 (36.67%) Bash Shell

CentOS
Co-occurring IT Skills in West Yorkshire 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 (10.00%) Confluence
2 2 (6.67%) nginx
3 1 (3.33%) Apache
3 1 (3.33%) Tomcat
Cloud Services
1 23 (76.67%) Amazon AWS
2 19 (63.33%) Amazon EC2
3 15 (50.00%) Route 53
4 14 (46.67%) Amazon S3
5 13 (43.33%) Amazon ELB
5 13 (43.33%) Virtual Private Cloud
6 5 (16.67%) Slack
7 4 (13.33%) Amazon SQS
8 2 (6.67%) GitHub
8 2 (6.67%) Microsoft Azure
8 2 (6.67%) Trello
Communications & Networking
1 14 (46.67%) HTTP
2 2 (6.67%) Firewall
2 2 (6.67%) VPN
3 1 (3.33%) Broadband
3 1 (3.33%) OpenLDAP
Database & Business Intelligence
1 18 (60.00%) MongoDB
1 18 (60.00%) MySQL
2 13 (43.33%) Apache Cassandra
3 3 (10.00%) Redis
4 2 (6.67%) Amazon RDS
5 1 (3.33%) Hadoop
5 1 (3.33%) PostgreSQL
Development Applications
1 20 (66.67%) Jenkins
2 19 (63.33%) SonarQube
3 13 (43.33%) GitLab
4 5 (16.67%) JIRA
5 2 (6.67%) Git (software)
5 2 (6.67%) Vagrant
6 1 (3.33%) Selenium
General
1 1 (3.33%) Finance
1 1 (3.33%) Pharmaceutical
1 1 (3.33%) Telecoms
Job Titles
1 21 (70.00%) DevOps Engineer
2 6 (20.00%) Linux Engineer
3 4 (13.33%) AWS Engineer
4 3 (10.00%) AWS DevOps
4 3 (10.00%) AWS DevOps Engineer
4 3 (10.00%) Platform Engineer
5 2 (6.67%) Consultant
5 2 (6.67%) DevOps Consultant
5 2 (6.67%) Infrastructure Engineer
5 2 (6.67%) Junior
5 2 (6.67%) Junior DevOps
5 2 (6.67%) Junior DevOps Engineer
5 2 (6.67%) Linux Infrastructure Engineer
5 2 (6.67%) Linux Systems Engineer
5 2 (6.67%) Linux/Unix DevOps
5 2 (6.67%) Operations Engineer
5 2 (6.67%) Systems Engineer
6 1 (3.33%) Developer
6 1 (3.33%) Systems Administrator
6 1 (3.33%) Technical Support
Libraries, Frameworks & Software Standards
1 15 (50.00%) Elastic Stack
2 3 (10.00%) Node.js
3 2 (6.67%) RabbitMQ
3 2 (6.67%) Sensu
4 1 (3.33%) .NET
4 1 (3.33%) .NET Core
4 1 (3.33%) AngularJS
4 1 (3.33%) ASP.NET
4 1 (3.33%) LAPP Stack
4 1 (3.33%) Middleware
4 1 (3.33%) Twitter Bootstrap
Miscellaneous
1 4 (13.33%) Public Cloud
2 1 (3.33%) Clustering
2 1 (3.33%) Linux Command Line
2 1 (3.33%) NHS
Operating Systems
1 30 (100.00%) Linux
2 22 (73.33%) Red Hat Enterprise Linux
3 3 (10.00%) Windows
3 3 (10.00%) Windows Server
4 2 (6.67%) Ubuntu
5 1 (3.33%) HPUX
5 1 (3.33%) Oracle Linux
5 1 (3.33%) SUSE
5 1 (3.33%) Unix
5 1 (3.33%) Windows Server 2012
Processes & Methodologies
1 23 (76.67%) DevOps
2 19 (63.33%) Microservices
3 13 (43.33%) Infrastructure Monitoring
4 6 (20.00%) Configuration Management
4 6 (20.00%) Continuous Integration
5 4 (13.33%) Agile Software Development
5 4 (13.33%) Open Source
6 3 (10.00%) Software Engineering
6 3 (10.00%) Test Automation
7 2 (6.67%) Infrastructure Engineering
7 2 (6.67%) Server Building
8 1 (3.33%) Change Management
8 1 (3.33%) Deployment Automation
8 1 (3.33%) Extreme Programming
8 1 (3.33%) Incident Management
8 1 (3.33%) Migration
8 1 (3.33%) SDLC
8 1 (3.33%) Tech Ops
Programming Languages
1 22 (73.33%) Python
2 11 (36.67%) Bash Shell
3 7 (23.33%) Perl
4 5 (16.67%) Java
5 4 (13.33%) Ruby
6 3 (10.00%) JavaScript
7 2 (6.67%) Shell Script
8 1 (3.33%) C#
8 1 (3.33%) PL/SQL
8 1 (3.33%) PowerShell
8 1 (3.33%) SQL
Qualifications
1 3 (10.00%) SC Cleared
1 3 (10.00%) Security Cleared
2 1 (3.33%) BPSS Clearance
System Software
1 22 (73.33%) Docker
2 2 (6.67%) Active Directory
2 2 (6.67%) Varnish
3 1 (3.33%) HDFS
3 1 (3.33%) Hyper-V
3 1 (3.33%) KVM
Systems Management
1 23 (76.67%) Puppet
2 21 (70.00%) Terraform
3 18 (60.00%) Kubernetes
4 15 (50.00%) Grafana
4 15 (50.00%) Packer
5 13 (43.33%) Prometheus
6 12 (40.00%) Rancher
7 7 (23.33%) Ansible
8 4 (13.33%) Opscode Chef
9 2 (6.67%) Consul
9 2 (6.67%) Graphite
9 2 (6.67%) HAProxy
Vendors
1 12 (40.00%) Black Duck
2 9 (30.00%) Red Hat
3 2 (6.67%) Oracle
4 1 (3.33%) Dell
4 1 (3.33%) EnterpriseDB
4 1 (3.33%) HP
4 1 (3.33%) Microsoft