The following table provides summary statistics for contract job vacancies advertised in Cambridgeshire 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 June 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
East of England / Cambridgeshire
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 49 54 75
Rank change year-on-year +5 +21  
Contract jobs citing CentOS 7 4 3
As % of all contract IT jobs advertised in Cambridgeshire 1.19% 0.67% 0.38%
As % of the Operating Systems category 4.32% 2.30% 1.14%
Number of daily rates quoted 1 3 0
Median daily rate £213 £475 -
Median daily rate % change year-on-year -55.26% -  
UK excluding London median daily rate £460 £425 £355
% change year-on-year +8.23% +19.71%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £55.00 -
% change year-on-year -13.63% -  

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 Cambridgeshire with a requirement for operating system skills.

Contract Operating System Skills
Cambridgeshire
Contract job vacancies with a requirement for operating system skills 162 174 263
As % of all contract IT job vacancies advertised in Cambridgeshire 27.60% 29.29% 33.33%
Number of daily rates quoted 53 104 152
Median daily rate £280 £350 £338
Median daily rate % change year-on-year -20.00% +3.70%  
90% offered a daily rate of more than £152 £137 £208
10% offered a daily rate of more than £489 £503 £417
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 39 13 35
Median hourly rate £17.50 £17.50 £23.00
Median hourly rate % change year-on-year - -23.91%  
90% offered a hourly rate of more than £13.00 £10.00 £12.00
10% offered a hourly rate of more than £42.50 £46.25 £37.50
UK excluding London median hourly rate £15.50 £17.50 £16.50
% change year-on-year -11.42% +6.06%  

CentOS
Job Vacancy Trend in Cambridgeshire

The job posting trend of jobs advertised in Cambridgeshire 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 Cambridgeshire

CentOS
Contractor Daily Rate Trend in Cambridgeshire

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

Contractor daily rate trend for CentOS in Cambridgeshire

CentOS
Contractor Hourly Rate Trend in Cambridgeshire

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

Contractor hourly rate trend for CentOS in Cambridgeshire

CentOS
Contract Job Locations in Cambridgeshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Cambridgeshire region over the 3 months to 27 June 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
Cambridge +9 7 £213 -48.48% 3
CentOS
East of England

For the 6 months to 27 June 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 Cambridgeshire region with a requirement for CentOS.

1 9 (100.00%) Linux
2 7 (77.78%) Red Hat Enterprise Linux
3 6 (66.67%) SC Cleared
3 6 (66.67%) Security Cleared
3 6 (66.67%) VMware
3 6 (66.67%) Red Hat
4 5 (55.56%) Cisco
5 3 (33.33%) Active Directory
5 3 (33.33%) Unix
6 2 (22.22%) Windows
6 2 (22.22%) Ubuntu
6 2 (22.22%) Java
6 2 (22.22%) Hadoop
6 2 (22.22%) Cloudera
6 2 (22.22%) Apache Spark
6 2 (22.22%) yum
6 2 (22.22%) Terraform
6 2 (22.22%) DevOps
6 2 (22.22%) Virtual Machines
7 1 (11.11%) Task Automation
7 1 (11.11%) Pingdom
7 1 (11.11%) Windows Server
7 1 (11.11%) ZeroMQ
7 1 (11.11%) Ansible
7 1 (11.11%) RabbitMQ
7 1 (11.11%) AppDynamics
7 1 (11.11%) PagerDuty
7 1 (11.11%) AWS CloudFormation
7 1 (11.11%) Application Performance Management
7 1 (11.11%) Packer

CentOS
Co-occurring IT Skills in Cambridgeshire 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 2 (22.22%) Apache Spark
2 1 (11.11%) Confluence
2 1 (11.11%) WebSphere
Cloud Services
1 1 (11.11%) Amazon AWS
1 1 (11.11%) AWS CloudFormation
1 1 (11.11%) AWS Lambda
Communications & Networking
1 1 (11.11%) DHCP
1 1 (11.11%) DNS
1 1 (11.11%) LDAP
Database & Business Intelligence
1 2 (22.22%) Hadoop
2 1 (11.11%) Amazon DynamoDB
Development Applications
1 1 (11.11%) Bitbucket
1 1 (11.11%) Git (software)
1 1 (11.11%) Jenkins
1 1 (11.11%) JIRA
Job Titles
1 5 (55.56%) Linux Engineer
2 3 (33.33%) Consultant
3 2 (22.22%) DevOps Engineer
3 2 (22.22%) Linux Consultant
4 1 (11.11%) 1st/2nd Line Help Desk Support
4 1 (11.11%) 1st/2nd Line Service Desk Analyst
4 1 (11.11%) 1st/2nd Line Support
4 1 (11.11%) 1st/2nd Line Support Analyst
4 1 (11.11%) 2nd Line Service Desk Analyst
4 1 (11.11%) 2nd Line Support Analyst
4 1 (11.11%) Help Desk Analyst
4 1 (11.11%) Help Desk Support
4 1 (11.11%) Help Desk Support Analyst
4 1 (11.11%) Linux DevOps Engineer
4 1 (11.11%) Linux/Unix DevOps
4 1 (11.11%) Service Desk Analyst
4 1 (11.11%) Unix Consultant
4 1 (11.11%) Unix Engineer
4 1 (11.11%) VMware Engineer
4 1 (11.11%) Windows Engineer
Libraries, Frameworks & Software Standards
1 1 (11.11%) RabbitMQ
1 1 (11.11%) ZeroMQ
Operating Systems
1 9 (100.00%) Linux
2 7 (77.78%) Red Hat Enterprise Linux
3 3 (33.33%) Unix
4 2 (22.22%) Ubuntu
4 2 (22.22%) Windows
5 1 (11.11%) Windows 7
5 1 (11.11%) Windows Server
5 1 (11.11%) Windows Server 2008
5 1 (11.11%) Windows Server 2012
Processes & Methodologies
1 2 (22.22%) DevOps
2 1 (11.11%) Application Performance Management
2 1 (11.11%) Configuration Management
2 1 (11.11%) Continuous Integration
2 1 (11.11%) Performance Management
2 1 (11.11%) Service Delivery
2 1 (11.11%) Software Engineering
2 1 (11.11%) Task Automation
Programming Languages
1 2 (22.22%) Java
2 1 (11.11%) Python
Qualifications
1 6 (66.67%) SC Cleared
1 6 (66.67%) Security Cleared
Quality Assurance & Compliance
1 1 (11.11%) SLA
System Software
1 3 (33.33%) Active Directory
2 2 (22.22%) Virtual Machines
Systems Management
1 2 (22.22%) Terraform
1 2 (22.22%) yum
2 1 (11.11%) Ansible
2 1 (11.11%) Packer
2 1 (11.11%) Pingdom
Vendors
1 6 (66.67%) Red Hat
1 6 (66.67%) VMware
2 5 (55.56%) Cisco
3 2 (22.22%) Cloudera
4 1 (11.11%) AppDynamics
4 1 (11.11%) Atlassian
4 1 (11.11%) PagerDuty