The following table provides summary statistics for contract job vacancies advertised in Manchester with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 3 months to 27 March 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
North West / Manchester
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 84 98 95
Rank change year-on-year +14 -3  
Contract jobs citing CentOS 8 6 6
As % of all contract IT jobs advertised in Manchester 0.61% 0.33% 0.36%
As % of the Operating Systems category 3.25% 1.63% 1.82%
Number of daily rates quoted 7 4 4
Median daily rate £400 £425 £220
Median daily rate % change year-on-year -5.88% +93.18%  
UK excluding London median daily rate £475 £425 £375
% change year-on-year +11.76% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £17.50 £8.50 £47.50
% change year-on-year +105.88% -82.10%  

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

Contract Operating System Skills
Manchester
Contract job vacancies with a requirement for operating system skills 246 367 329
As % of all contract IT job vacancies advertised in Manchester 18.76% 20.45% 20.00%
Number of daily rates quoted 181 189 158
Median daily rate £375 £350 £350
Median daily rate % change year-on-year +7.14% -  
90% offered a daily rate of more than £175 £175 £180
10% offered a daily rate of more than £527 £461 £475
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 9 17 29
Median hourly rate £15.50 £15.00 £13.87
Median hourly rate % change year-on-year +3.33% +8.14%  
90% offered a hourly rate of more than £11.90 £12.00 £10.01
10% offered a hourly rate of more than £18.00 £115.00 £20.00
UK excluding London median hourly rate £15.25 £16.84 £15.50
% change year-on-year -9.44% +8.64%  

CentOS
Job Vacancy Trend in Manchester

The job posting trend of jobs advertised in Manchester citing CentOS as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in Manchester

CentOS
Contractor Daily Rate Trend in Manchester

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

Contractor daily rate trend for CentOS in Manchester

CentOS
Contractor Daily Rate Histogram in Manchester

The daily rate distribution of IT jobs citing CentOS in Manchester over the 3 months to 27 March 2017.

Contractor daily rate histogram for CentOS in Manchester

CentOS
Contract Job Locations in Manchester

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Manchester region over the 3 months to 27 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Salford -4 1 - -
CentOS
North West

CentOS
Top 30 Co-occurring IT Skills in Manchester

For the 6 months to 27 March 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 Manchester region with a requirement for CentOS.

1 22 (100.00%) Linux
2 18 (81.82%) Amazon AWS
2 18 (81.82%) Puppet
2 18 (81.82%) DevOps
3 17 (77.27%) Python
4 16 (72.73%) Red Hat
5 15 (68.18%) Jenkins
5 15 (68.18%) Opscode Chef
5 15 (68.18%) Java
6 14 (63.64%) Configuration Management
6 14 (63.64%) Ansible
7 13 (59.09%) Agile Software Development
8 11 (50.00%) Red Hat Enterprise Linux
8 11 (50.00%) Git (software)
9 10 (45.45%) Ruby
9 10 (45.45%) Continuous Integration
10 9 (40.91%) Fedora
10 9 (40.91%) SSL
10 9 (40.91%) TCP/IP
11 8 (36.36%) HTTPS
11 8 (36.36%) Nagios
11 8 (36.36%) Subversion
11 8 (36.36%) Ganglia
11 8 (36.36%) OpenStack
11 8 (36.36%) Kibana
11 8 (36.36%) Graphite
11 8 (36.36%) Riemann
11 8 (36.36%) Travis CI
11 8 (36.36%) GoCD
12 7 (31.82%) Bash Shell

CentOS
Co-occurring IT Skills in Manchester 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 8 (36.36%) OpenStack
2 4 (18.18%) nginx
2 4 (18.18%) Tomcat
3 3 (13.64%) Confluence
4 2 (9.09%) Apache
5 1 (4.55%) Elasticsearch
5 1 (4.55%) IIS
5 1 (4.55%) Jetty
5 1 (4.55%) WebSphere
5 1 (4.55%) WebSphere Application Server
Cloud Services
1 18 (81.82%) Amazon AWS
2 5 (22.73%) Amazon EC2
3 4 (18.18%) Amazon ELB
3 4 (18.18%) Amazon S3
3 4 (18.18%) AWS CloudFormation
4 3 (13.64%) Amazon ElastiCache
4 3 (13.64%) CloudFront
5 1 (4.55%) IaaS
5 1 (4.55%) Microsoft Azure
5 1 (4.55%) PaaS
5 1 (4.55%) Route 53
5 1 (4.55%) Virtual Private Cloud
Communications & Networking
1 9 (40.91%) SSL
1 9 (40.91%) TCP/IP
2 8 (36.36%) HTTPS
3 4 (18.18%) DHCP
3 4 (18.18%) DNS
3 4 (18.18%) Firewall
4 3 (13.64%) Network Security
5 2 (9.09%) HTTP
6 1 (4.55%) Internet
6 1 (4.55%) Kerberos
Database & Business Intelligence
1 4 (18.18%) Amazon RDS
1 4 (18.18%) Redis
1 4 (18.18%) SQL Server
2 1 (4.55%) DB2
2 1 (4.55%) Hadoop
2 1 (4.55%) MySQL
Development Applications
1 15 (68.18%) Jenkins
2 11 (50.00%) Git (software)
3 8 (36.36%) GoCD
3 8 (36.36%) Subversion
3 8 (36.36%) Travis CI
4 4 (18.18%) Atlassian Bamboo
4 4 (18.18%) JIRA
5 3 (13.64%) Vagrant
6 1 (4.55%) Hudson
6 1 (4.55%) MSBuild
6 1 (4.55%) Octopus Deploy
6 1 (4.55%) Team Foundation Server
6 1 (4.55%) TeamCity
General
1 1 (4.55%) Finance
1 1 (4.55%) Retail
Job Titles
1 16 (72.73%) DevOps Engineer
2 2 (9.09%) Cloud Engineer
2 2 (9.09%) Linux DevOps Engineer
2 2 (9.09%) Linux Engineer
2 2 (9.09%) Linux/Unix DevOps
3 1 (4.55%) 3rd Line Engineer
3 1 (4.55%) 3rd Line Support
3 1 (4.55%) 3rd Line Support Engineer
3 1 (4.55%) Administrator
3 1 (4.55%) Applications Specialist
3 1 (4.55%) AWS DevOps
3 1 (4.55%) AWS Engineer
3 1 (4.55%) Developer
3 1 (4.55%) Hadoop Engineer
3 1 (4.55%) LAMP Developer
3 1 (4.55%) Server Administrator
3 1 (4.55%) Splunk Engineer
3 1 (4.55%) Support Engineer
3 1 (4.55%) WebSphere Administrator
3 1 (4.55%) WebSphere Application Server Administrator
Libraries, Frameworks & Software Standards
1 4 (18.18%) RabbitMQ
2 3 (13.64%) Elastic Stack
2 3 (13.64%) Web Services
3 1 (4.55%) .NET
3 1 (4.55%) Java EE
3 1 (4.55%) LAMP
Miscellaneous
1 3 (13.64%) Linux Command Line
2 1 (4.55%) Clustering
2 1 (4.55%) Replication
Operating Systems
1 22 (100.00%) Linux
2 11 (50.00%) Red Hat Enterprise Linux
3 9 (40.91%) Fedora
4 3 (13.64%) Ubuntu
5 1 (4.55%) Debian
5 1 (4.55%) Windows
Processes & Methodologies
1 18 (81.82%) DevOps
2 14 (63.64%) Configuration Management
3 13 (59.09%) Agile Software Development
4 10 (45.45%) Continuous Integration
5 3 (13.64%) Continuous Deployment
5 3 (13.64%) Load Balancing
6 2 (9.09%) E-Commerce
6 2 (9.09%) Open Source
7 1 (4.55%) Analytics
7 1 (4.55%) Change Management
7 1 (4.55%) Continuous Delivery
7 1 (4.55%) Cybersecurity
7 1 (4.55%) ETL
7 1 (4.55%) High Availability
7 1 (4.55%) Low Latency
7 1 (4.55%) Microservices
7 1 (4.55%) OO
7 1 (4.55%) OOP
7 1 (4.55%) Scrum
7 1 (4.55%) Vulnerability Scanning
Programming Languages
1 17 (77.27%) Python
2 15 (68.18%) Java
3 10 (45.45%) Ruby
4 7 (31.82%) Bash Shell
5 4 (18.18%) PHP
5 4 (18.18%) SQL
6 2 (9.09%) Perl
7 1 (4.55%) C++
7 1 (4.55%) JavaScript
7 1 (4.55%) Jython
7 1 (4.55%) Korn
7 1 (4.55%) PowerShell
7 1 (4.55%) R
Qualifications
1 1 (4.55%) Degree
Quality Assurance & Compliance
1 3 (13.64%) QA
2 1 (4.55%) PCI DSS
System Software
1 1 (4.55%) Docker
Systems Management
1 18 (81.82%) Puppet
2 15 (68.18%) Opscode Chef
3 14 (63.64%) Ansible
4 8 (36.36%) Ganglia
4 8 (36.36%) Graphite
4 8 (36.36%) Kibana
4 8 (36.36%) Nagios
4 8 (36.36%) Riemann
5 3 (13.64%) Packer
6 1 (4.55%) FreeIPA
6 1 (4.55%) Terraform
Vendors
1 16 (72.73%) Red Hat
2 4 (18.18%) SaltStack
3 3 (13.64%) New Relic
3 3 (13.64%) RightScale
4 1 (4.55%) Hortonworks
4 1 (4.55%) Microsoft
4 1 (4.55%) Oracle
4 1 (4.55%) Pega
4 1 (4.55%) Splunk