The table below looks at the statistics for CentOS skills in IT contracts advertised for the Manchester region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 16 January 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
16 Jan 2017
Same period 2016 Same period 2015
CentOS Linux
North West / Manchester
Rank 82 100 87
Rank change year-on-year
+18 -13
Contract jobs citing CentOS 14 8 3
As % of all contract IT jobs located in Manchester 1.00% 0.41% 0.21%
As % of the Operating Systems category 4.53% 2.01% 0.94%
Number of daily rates quoted 11 4 1
Median daily rate £400 £400 £325
Median daily rate % change year-on-year
- +23.07%
UK excluding London median daily rate £450 £450 £350
% change year-on-year
- +28.57%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £18.00 £50.50 £47.50
% change year-on-year
-64.35% +6.31%

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Manchester region.

Operating Systems Category
Manchester
Contract IT job ads with a match in the
Operating Systems category
309 398 319
As % of all contract IT jobs located in Manchester 22.01% 20.64% 22.67%
Number of daily rates quoted 211 195 158
Median daily rate £375 £325 £350
Median daily rate % change year-on-year
+15.38% -7.14%
90% offered a daily rate of more than £171 £170 £165
10% offered a daily rate of more than £485 £430 £475
UK excluding London median daily rate £350 £350 £330
% change year-on-year
- +6.06%
Number of hourly rates quoted 6 35 46
Median hourly rate £13.50 £16.13 £14.00
Median hourly rate % change year-on-year
-16.27% +15.17%
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in Manchester

The demand trend of contract jobs across the Manchester region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Manchester

CentOS
Daily Rate Trend in Manchester

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

CentOS Daily Rate Trend in Manchester

CentOS
Daily Rate Histogram in Manchester

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Manchester region over the 3 months to 16 January 2017.

CentOS Daily Rate Histogram in Manchester

CentOS
Top 30 Related IT Skills in Manchester

For the 6 months to 16 January 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 30 (100.00%) Linux
2 26 (86.67%) Puppet
3 23 (76.67%) Python
4 22 (73.33%) Jenkins
5 21 (70.00%) Red Hat
5 21 (70.00%) DevOps
6 16 (53.33%) Amazon AWS
7 13 (43.33%) Opscode Chef
7 13 (43.33%) Ubuntu
8 12 (40.00%) Configuration Management
8 12 (40.00%) Java
8 12 (40.00%) Ansible
9 11 (36.67%) Bash Shell
9 11 (36.67%) OpenStack
9 11 (36.67%) Red Hat Enterprise Linux
9 11 (36.67%) Perl
9 11 (36.67%) Nagios
10 10 (33.33%) Debian
10 10 (33.33%) Agile Software Development
10 10 (33.33%) DHCP
10 10 (33.33%) DNS
11 9 (30.00%) Git (software)
11 9 (30.00%) Continuous Integration
12 8 (26.67%) iSCSI
12 8 (26.67%) Ruby
12 8 (26.67%) TCP/IP
12 8 (26.67%) PHP
13 7 (23.33%) Fedora
13 7 (23.33%) Unix
13 7 (23.33%) SAS

CentOS
Top Related 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 11 (36.67%) OpenStack
2 7 (23.33%) SAS
3 6 (20.00%) Apache
4 4 (13.33%) nginx
5 3 (10.00%) Confluence
5 3 (10.00%) Tomcat
6 1 (3.33%) Elasticsearch
6 1 (3.33%) Exchange Server 2007
6 1 (3.33%) IIS
6 1 (3.33%) Jetty
6 1 (3.33%) MS Exchange
Applications
1 2 (6.67%) MS Excel
Cloud Services
1 16 (53.33%) Amazon AWS
2 5 (16.67%) Amazon EC2
3 4 (13.33%) Amazon ELB
3 4 (13.33%) Amazon S3
3 4 (13.33%) AWS CloudFormation
4 3 (10.00%) Amazon ElastiCache
4 3 (10.00%) CloudFront
5 2 (6.67%) Microsoft Azure
6 1 (3.33%) IaaS
6 1 (3.33%) PaaS
6 1 (3.33%) Route 53
6 1 (3.33%) Virtual Private Cloud
Communications & Networking
1 10 (33.33%) DHCP
1 10 (33.33%) DNS
2 8 (26.67%) iSCSI
2 8 (26.67%) TCP/IP
3 6 (20.00%) HTTP
3 6 (20.00%) HTTPS
3 6 (20.00%) SSL
4 5 (16.67%) Fibre Channel
4 5 (16.67%) Firewall
4 5 (16.67%) IMAP
4 5 (16.67%) MRTG
4 5 (16.67%) SMTP
5 4 (13.33%) Network Security
6 3 (10.00%) LDAP
7 1 (3.33%) Internet
7 1 (3.33%) IP Telephony
7 1 (3.33%) Kerberos
7 1 (3.33%) LAN
7 1 (3.33%) VPN
7 1 (3.33%) WAN
Database & Business Intelligence
1 4 (13.33%) Amazon RDS
1 4 (13.33%) Redis
1 4 (13.33%) SQL Server
2 1 (3.33%) Hadoop
Development Applications
1 22 (73.33%) Jenkins
2 9 (30.00%) Git (software)
3 6 (20.00%) GoCD
3 6 (20.00%) Subversion
3 6 (20.00%) Travis CI
4 4 (13.33%) Atlassian Bamboo
5 3 (10.00%) JIRA
5 3 (10.00%) Vagrant
6 1 (3.33%) GitLab
6 1 (3.33%) Hudson
6 1 (3.33%) MSBuild
6 1 (3.33%) Octopus Deploy
6 1 (3.33%) Team Foundation Server
6 1 (3.33%) TeamCity
General
1 1 (3.33%) Finance
1 1 (3.33%) Retail
Job Titles
1 18 (60.00%) DevOps Engineer
2 8 (26.67%) Linux Engineer
3 6 (20.00%) Linux/Unix DevOps
4 5 (16.67%) Linux DevOps Engineer
5 2 (6.67%) 3rd Line Engineer
5 2 (6.67%) Administrator
5 2 (6.67%) Cloud Engineer
5 2 (6.67%) Systems Administrator
6 1 (3.33%) 3rd Line Support
6 1 (3.33%) Applications Specialist
6 1 (3.33%) Architect
6 1 (3.33%) Infrastructure Engineer
6 1 (3.33%) Linux Administrator
6 1 (3.33%) Linux Systems Administrator
6 1 (3.33%) Programmer
6 1 (3.33%) Solutions Architect
6 1 (3.33%) Support Engineer
6 1 (3.33%) Systems Engineer
6 1 (3.33%) Systems Programmer
6 1 (3.33%) Unix Engineer
Libraries, Frameworks & Software Standards
1 4 (13.33%) RabbitMQ
2 3 (10.00%) ELK Stack
2 3 (10.00%) Web Services
3 2 (6.67%) REST
4 1 (3.33%) .NET
4 1 (3.33%) RESTful
Miscellaneous
1 3 (10.00%) Analytical Skills
2 2 (6.67%) User Experience
3 1 (3.33%) BBC
3 1 (3.33%) Data Centre
Operating Systems
1 30 (100.00%) Linux
2 13 (43.33%) Ubuntu
3 11 (36.67%) Red Hat Enterprise Linux
4 10 (33.33%) Debian
5 7 (23.33%) Fedora
5 7 (23.33%) Unix
6 3 (10.00%) Windows
7 1 (3.33%) Solaris
7 1 (3.33%) Windows Server
Processes & Methodologies
1 21 (70.00%) DevOps
2 12 (40.00%) Configuration Management
3 10 (33.33%) Agile Software Development
4 9 (30.00%) Continuous Integration
5 7 (23.33%) Open Source
6 5 (16.67%) Analytics
7 4 (13.33%) Video Analytics
8 3 (10.00%) Continuous Deployment
8 3 (10.00%) Load Balancing
9 1 (3.33%) Continuous Delivery
9 1 (3.33%) Cybersecurity
9 1 (3.33%) Ethical Hacking
9 1 (3.33%) Low Latency
9 1 (3.33%) Mentoring
9 1 (3.33%) Microservices
9 1 (3.33%) Translating Business Requirements
9 1 (3.33%) Virtual Environments
9 1 (3.33%) Virtual Infrastructure
9 1 (3.33%) Vulnerability Scanning
9 1 (3.33%) Web Development
Programming Languages
1 23 (76.67%) Python
2 12 (40.00%) Java
3 11 (36.67%) Bash Shell
3 11 (36.67%) Perl
4 8 (26.67%) PHP
4 8 (26.67%) Ruby
5 6 (20.00%) Korn
6 5 (16.67%) C
6 5 (16.67%) C++
6 5 (16.67%) Shell Script
7 4 (13.33%) SQL
8 2 (6.67%) PowerShell
9 1 (3.33%) JavaScript
9 1 (3.33%) R
Qualifications
1 1 (3.33%) Degree
Quality Assurance & Compliance
1 3 (10.00%) QA
2 1 (3.33%) PCI DSS
System Software
1 6 (20.00%) VMware Infrastructure
2 5 (16.67%) Dovecot
2 5 (16.67%) iptables
2 5 (16.67%) KVM
2 5 (16.67%) Sendmail
2 5 (16.67%) Squid
3 1 (3.33%) Active Directory
3 1 (3.33%) Ceph
3 1 (3.33%) Docker
Systems Management
1 26 (86.67%) Puppet
2 13 (43.33%) Opscode Chef
3 12 (40.00%) Ansible
4 11 (36.67%) Nagios
5 6 (20.00%) Ganglia
5 6 (20.00%) Graphite
5 6 (20.00%) Kibana
5 6 (20.00%) Riemann
6 5 (16.67%) Cacti
6 5 (16.67%) HAProxy
6 5 (16.67%) OpenNebula
7 3 (10.00%) Packer
8 1 (3.33%) FreeIPA
8 1 (3.33%) Oracle ZFS
8 1 (3.33%) SCCM
8 1 (3.33%) Terraform
8 1 (3.33%) WSUS
Vendors
1 21 (70.00%) Red Hat
2 6 (20.00%) VMware
3 4 (13.33%) SaltStack
4 3 (10.00%) New Relic
4 3 (10.00%) RightScale
5 2 (6.67%) Microsoft
6 1 (3.33%) Cisco
6 1 (3.33%) Dell
6 1 (3.33%) Hortonworks
6 1 (3.33%) Pega
6 1 (3.33%) Splunk