The following table provides summary statistics for contract job vacancies advertised in Leeds 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 25 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
Rank 88 94 74
Rank change year-on-year +6 -20  
Contract jobs citing CentOS 1 4 17
As % of all contract IT jobs advertised in Leeds 0.097% 0.28% 1.47%
As % of the Operating Systems category 0.43% 1.36% 6.49%
Number of daily rates quoted 1 3 14
Median daily rate £425 £450 £220
Median daily rate % change year-on-year -5.55% +104.54%  
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 Leeds with a requirement for operating system skills.

Contract Operating System Skills
Leeds
Contract job vacancies with a requirement for operating system skills 234 295 262
As % of all contract IT job vacancies advertised in Leeds 22.70% 20.69% 22.72%
Number of daily rates quoted 158 188 163
Median daily rate £400 £400 £345
Median daily rate % change year-on-year - +15.94%  
90% offered a daily rate of more than £300 £184 £160
10% offered a daily rate of more than £500 £550 £430
UK excluding London median daily rate £388 £363 £338
% change year-on-year +6.89% +7.40%  
Number of hourly rates quoted 7 13 15
Median hourly rate £14.20 £12.10 £12.13
Median hourly rate % change year-on-year +17.35% -0.20%  
90% offered a hourly rate of more than £11.77 £10.20 £10.65
10% offered a hourly rate of more than £19.00 £21.50 £35.00
UK excluding London median hourly rate £15.25 £16.92 £15.50
% change year-on-year -9.86% +9.16%  

CentOS
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

CentOS
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for CentOS in Leeds

CentOS
Contractor Hourly Rate Trend in Leeds

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

Contractor hourly rate trend for CentOS in Leeds

CentOS
Top 30 Related IT Skills in Leeds

For the 6 months to 25 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 Leeds region with a requirement for CentOS.

1 8 (100.00%) Linux
2 7 (87.50%) Splunk
3 6 (75.00%) Ubuntu
4 5 (62.50%) DevOps
5 4 (50.00%) Degree
5 4 (50.00%) Windows Server 2008
5 4 (50.00%) CSS
5 4 (50.00%) XML
5 4 (50.00%) Windows
5 4 (50.00%) HTML
5 4 (50.00%) JavaScript
5 4 (50.00%) Python
5 4 (50.00%) DNS
6 3 (37.50%) LDAP
6 3 (37.50%) SMTP
6 3 (37.50%) SNMP
6 3 (37.50%) TCP/IP
7 2 (25.00%) VMware
7 2 (25.00%) Nagios
7 2 (25.00%) Configuration Management
7 2 (25.00%) SAN
7 2 (25.00%) Red Hat
7 2 (25.00%) Jenkins
7 2 (25.00%) Grafana
7 2 (25.00%) VMware Server
7 2 (25.00%) Security Cleared
8 1 (12.50%) Network Security
8 1 (12.50%) Data Migration
8 1 (12.50%) Windows Server
8 1 (12.50%) Opscode Chef

CentOS
Top Related IT Skills in Leeds 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 1 (12.50%) Apache
Cloud Services
1 1 (12.50%) Amazon AWS
Communications & Networking
1 4 (50.00%) DNS
2 3 (37.50%) LDAP
2 3 (37.50%) SMTP
2 3 (37.50%) SNMP
2 3 (37.50%) TCP/IP
3 2 (25.00%) SAN
4 1 (12.50%) DHCP
4 1 (12.50%) Firewall
4 1 (12.50%) Network Security
Database & Business Intelligence
1 1 (12.50%) MongoDB
1 1 (12.50%) MySQL
1 1 (12.50%) Redis
Development Applications
1 2 (25.00%) Jenkins
2 1 (12.50%) Git (software)
General
1 1 (12.50%) Back Office
Job Titles
1 2 (25.00%) DevOps Engineer
1 2 (25.00%) Hardware Specialist
1 2 (25.00%) Storage Specialist
2 1 (12.50%) Analyst
2 1 (12.50%) Infrastructure Engineer
2 1 (12.50%) Linux Engineer
2 1 (12.50%) Senior DevOps
2 1 (12.50%) Senior Support Technician
2 1 (12.50%) Senior Technician
2 1 (12.50%) Splunk Analyst
2 1 (12.50%) Splunk Engineer
2 1 (12.50%) Splunk Support
2 1 (12.50%) Storage Engineer
2 1 (12.50%) Support Analyst
2 1 (12.50%) Support Technician
Libraries, Frameworks & Software Standards
1 4 (50.00%) CSS
1 4 (50.00%) HTML
1 4 (50.00%) XML
2 1 (12.50%) LAMP
2 1 (12.50%) Memcached
2 1 (12.50%) Node.js
Miscellaneous
1 1 (12.50%) Data Centre
1 1 (12.50%) NHS
Operating Systems
1 8 (100.00%) Linux
2 6 (75.00%) Ubuntu
3 4 (50.00%) Windows
3 4 (50.00%) Windows Server 2008
4 1 (12.50%) Windows Server
Processes & Methodologies
1 5 (62.50%) DevOps
2 2 (25.00%) Configuration Management
3 1 (12.50%) Agile Software Development
3 1 (12.50%) Continuous Improvement
3 1 (12.50%) Data Migration
3 1 (12.50%) High Availability
3 1 (12.50%) Load Balancing
3 1 (12.50%) Migration
3 1 (12.50%) Performance Monitoring
3 1 (12.50%) SIEM
Programming Languages
1 4 (50.00%) JavaScript
1 4 (50.00%) Python
2 1 (12.50%) PHP
2 1 (12.50%) Ruby
Qualifications
1 4 (50.00%) Degree
2 2 (25.00%) Security Cleared
Quality Assurance & Compliance
1 1 (12.50%) Disclosure Scotland
1 1 (12.50%) QA
System Software
1 2 (25.00%) VMware Server
Systems Management
1 2 (25.00%) Grafana
1 2 (25.00%) Nagios
2 1 (12.50%) Graphite
2 1 (12.50%) Opscode Chef
2 1 (12.50%) Opsview
2 1 (12.50%) Puppet
2 1 (12.50%) Salt
Vendors
1 7 (87.50%) Splunk
2 2 (25.00%) Red Hat
2 2 (25.00%) VMware
3 1 (12.50%) RightScale
Leeds, West Yorkshire
Ventula Consulting Ltd
Rate: From £350 to £425 per day
Posted: 4 days ago