The following table provides summary statistics for permanent job vacancies advertised in Cambridgeshire with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 26 April 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
East of England / Cambridgeshire
3 months to
26 Apr 2017
Same period 2016 Same period 2015
Rank 118 133 111
Rank change year-on-year +15 -22  
Permanent jobs citing CentOS 14 8 17
As % of all permanent IT jobs advertised in Cambridgeshire 0.76% 0.38% 0.80%
As % of the Operating Systems category 2.62% 1.30% 2.53%
Number of salaries quoted 14 7 17
Median salary £61,250 £40,000 £47,500
Median salary % change year-on-year +53.12% -15.78%  
90% offered a salary of more than £41,500 £32,600 £31,500
10% offered a salary of more than £70,000 £51,550 £53,500
UK excluding London median salary £42,500 £47,500 £40,000
% change year-on-year -10.52% +18.75%  

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

Operating System Skills
Cambridgeshire
Permanent job vacancies with a requirement for operating system skills 535 617 671
As % of all permanent IT job vacancies advertised in Cambridgeshire 29.22% 29.24% 31.55%
Number of salaries quoted 401 519 583
Median salary £40,500 £41,500 £40,000
Median salary % change year-on-year -2.40% +3.75%  
90% offered a salary of more than £25,960 £27,500 £26,000
10% offered a salary of more than £57,500 £60,000 £57,500
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Cambridgeshire

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

Job vacancy trend for CentOS in Cambridgeshire

CentOS
Salary Trend in Cambridgeshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS in Cambridgeshire.

Salary trend for CentOS in Cambridgeshire

CentOS
Salary Histogram in Cambridgeshire

The salary distribution of IT jobs citing CentOS in Cambridgeshire over the 3 months to 26 April 2017.

Salary histogram for CentOS in Cambridgeshire

CentOS
Job Locations in Cambridgeshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Cambridgeshire region over the 3 months to 26 April 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Cambridge +2 14 £61,250 +63.33%
CentOS
East of England

For the 6 months to 26 April 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Cambridgeshire region with a requirement for CentOS.

1 22 (100.00%) Linux
2 19 (86.36%) Python
2 19 (86.36%) Perl
2 19 (86.36%) Amazon AWS
2 19 (86.36%) Puppet
2 19 (86.36%) Opscode Chef
3 17 (77.27%) Red Hat Enterprise Linux
4 15 (68.18%) Salt
5 14 (63.64%) Docker
5 14 (63.64%) Bash Shell
5 14 (63.64%) Grafana
5 14 (63.64%) DevOps
5 14 (63.64%) ZABBIX
5 14 (63.64%) Munin
6 11 (50.00%) Ansible
7 10 (45.45%) VMware Infrastructure
7 10 (45.45%) Hyper-V
7 10 (45.45%) Windows
7 10 (45.45%) VMware
8 6 (27.27%) PPP
8 6 (27.27%) Jenkins
9 5 (22.73%) Low Latency
9 5 (22.73%) Proactive Monitoring
9 5 (22.73%) Incident Management
9 5 (22.73%) Degree
9 5 (22.73%) Workflow
9 5 (22.73%) High Availability
9 5 (22.73%) SNMP
9 5 (22.73%) TCP/IP
9 5 (22.73%) DNS

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 3 (13.64%) Apache
1 3 (13.64%) Tomcat
1 3 (13.64%) WebLogic
2 2 (9.09%) Elasticsearch
Cloud Services
1 19 (86.36%) Amazon AWS
2 4 (18.18%) AWS CloudFormation
2 4 (18.18%) IaaS
2 4 (18.18%) SaaS
3 3 (13.64%) Cloud Computing
4 1 (4.55%) Amazon CloudWatch
4 1 (4.55%) Amazon EC2
Communications & Networking
1 6 (27.27%) PPP
2 5 (22.73%) DHCP
2 5 (22.73%) DNS
2 5 (22.73%) LDAP
2 5 (22.73%) SMTP
2 5 (22.73%) SNMP
2 5 (22.73%) TCP/IP
Database & Business Intelligence
1 5 (22.73%) MySQL
2 3 (13.64%) SQL Server
3 2 (9.09%) Hadoop
Development Applications
1 6 (27.27%) Jenkins
2 1 (4.55%) TeamCity
Job Titles
1 11 (50.00%) DevOps Engineer
2 8 (36.36%) Administrator
2 8 (36.36%) Systems Administrator
3 6 (27.27%) Linux Administrator
3 6 (27.27%) Linux Systems Administrator
4 5 (22.73%) Senior Systems Administrator
5 3 (13.64%) Applications Engineer
5 3 (13.64%) Applications Support
5 3 (13.64%) Applications Support Engineer
5 3 (13.64%) Cloud Engineer
5 3 (13.64%) DevOps Administrator
5 3 (13.64%) Infrastructure Engineer
5 3 (13.64%) Junior
5 3 (13.64%) Junior Systems Administrator
5 3 (13.64%) Junior Systems Engineer
5 3 (13.64%) Linux DevOps Engineer
5 3 (13.64%) Linux Engineer
5 3 (13.64%) Senior Linux Administrator
5 3 (13.64%) Senior Linux Systems Administrator
5 3 (13.64%) Support Engineer
Libraries, Frameworks & Software Standards
1 4 (18.18%) Web Services
2 3 (13.64%) AngularJS
2 3 (13.64%) Apache Camel
2 3 (13.64%) jQuery
2 3 (13.64%) Middleware
3 2 (9.09%) WSH
Miscellaneous
1 3 (13.64%) CMDB
1 3 (13.64%) Cyberthreat
2 2 (9.09%) Driving Licence
Operating Systems
1 22 (100.00%) Linux
2 17 (77.27%) Red Hat Enterprise Linux
3 10 (45.45%) Windows
4 3 (13.64%) Mac OS
4 3 (13.64%) Windows Server
4 3 (13.64%) Windows Server 2012
5 2 (9.09%) Unix
Processes & Methodologies
1 14 (63.64%) DevOps
2 5 (22.73%) High Availability
2 5 (22.73%) Incident Management
2 5 (22.73%) ITIL
2 5 (22.73%) Low Latency
2 5 (22.73%) Proactive Monitoring
2 5 (22.73%) Workflow
3 4 (18.18%) Continuous Delivery
4 3 (13.64%) Artificial Intelligence
4 3 (13.64%) Change Management
4 3 (13.64%) Configuration Management
4 3 (13.64%) Cybersecurity
4 3 (13.64%) Machine Learning
4 3 (13.64%) Reinforcement Learning
4 3 (13.64%) Release Management
4 3 (13.64%) Root Cause Analysis
4 3 (13.64%) Software Engineering
5 2 (9.09%) Bioinformatics
5 2 (9.09%) DNA
5 2 (9.09%) Informatics
Programming Languages
1 19 (86.36%) Perl
1 19 (86.36%) Python
2 14 (63.64%) Bash Shell
3 3 (13.64%) C++
3 3 (13.64%) Java
3 3 (13.64%) JavaScript
3 3 (13.64%) Shell Script
3 3 (13.64%) SQL
Qualifications
1 5 (22.73%) Degree
System Software
1 14 (63.64%) Docker
2 10 (45.45%) Hyper-V
2 10 (45.45%) VMware Infrastructure
Systems Management
1 19 (86.36%) Opscode Chef
1 19 (86.36%) Puppet
2 15 (68.18%) Salt
3 14 (63.64%) Grafana
3 14 (63.64%) Munin
3 14 (63.64%) ZABBIX
4 11 (50.00%) Ansible
Vendors
1 10 (45.45%) VMware
2 3 (13.64%) Oracle