The following table provides summary statistics for permanent job vacancies advertised in Cambridge 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 28 June 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cambridgeshire / Cambridge
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 108 98 94
Rank change year-on-year -10 -4  
Permanent jobs citing CentOS 12 13 21
As % of all permanent IT jobs advertised in Cambridge 0.88% 1.10% 1.47%
As % of the Operating Systems category 2.83% 3.07% 4.82%
Number of salaries quoted 12 12 21
Median salary £62,500 £43,750 £42,500
Median salary % change year-on-year +42.85% +2.94%  
90% offered a salary of more than £50,000 £35,000 £32,500
10% offered a salary of more than £70,000 £49,000 £45,000
UK excluding London median salary £45,000 £47,500 £40,000
% change year-on-year -5.26% +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 Cambridge with a requirement for operating system skills.

Operating System Skills
Cambridge
Permanent job vacancies with a requirement for operating system skills 424 423 436
As % of all permanent IT job vacancies advertised in Cambridge 31.15% 35.73% 30.60%
Number of salaries quoted 346 370 360
Median salary £50,000 £45,000 £40,000
Median salary % change year-on-year +11.11% +12.50%  
90% offered a salary of more than £31,500 £28,100 £25,880
10% offered a salary of more than £65,000 £55,000 £60,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in Cambridge

The job posting trend of jobs advertised in Cambridge 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 Cambridge

CentOS
Salary Trend in Cambridge

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

Salary trend for CentOS in Cambridge

CentOS
Salary Histogram in Cambridge

The salary distribution of IT jobs citing CentOS in Cambridge over the 3 months to 28 June 2017.

Salary histogram for CentOS in Cambridge

For the 6 months to 28 June 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 Cambridge region with a requirement for CentOS.

1 22 (100.00%) Linux
1 22 (100.00%) Bash Shell
1 22 (100.00%) Puppet
1 22 (100.00%) Opscode Chef
1 22 (100.00%) DevOps
2 20 (90.91%) Docker
2 20 (90.91%) Amazon AWS
2 20 (90.91%) ZABBIX
2 20 (90.91%) Munin
2 20 (90.91%) Python
2 20 (90.91%) Perl
2 20 (90.91%) Grafana
3 19 (86.36%) Red Hat Enterprise Linux
4 13 (59.09%) Salt
4 13 (59.09%) Hyper-V
4 13 (59.09%) VMware
5 11 (50.00%) VMware Infrastructure
5 11 (50.00%) Ansible
5 11 (50.00%) Jenkins
6 7 (31.82%) IaaS
6 7 (31.82%) Web Services
6 7 (31.82%) AWS CloudFormation
6 7 (31.82%) Continuous Delivery
7 6 (27.27%) PPP
7 6 (27.27%) Low Latency
8 5 (22.73%) Machine Learning
8 5 (22.73%) Mac OS
8 5 (22.73%) Artificial Intelligence
8 5 (22.73%) Windows
8 5 (22.73%) Ubuntu

CentOS
Co-occurring IT Skills in Cambridge 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:

Cloud Services
1 20 (90.91%) Amazon AWS
2 7 (31.82%) AWS CloudFormation
2 7 (31.82%) IaaS
3 4 (18.18%) Amazon CloudWatch
3 4 (18.18%) SaaS
4 3 (13.64%) Cloud Computing
5 1 (4.55%) Amazon EC2
Communications & Networking
1 6 (27.27%) PPP
2 4 (18.18%) SMS
3 2 (9.09%) Network Security
Development Applications
1 11 (50.00%) Jenkins
2 2 (9.09%) Git (software)
2 2 (9.09%) Maven
3 1 (4.55%) TeamCity
Job Titles
1 16 (72.73%) DevOps Engineer
2 6 (27.27%) AWS Engineer
2 6 (27.27%) Infrastructure Engineer
3 5 (22.73%) Administrator
3 5 (22.73%) DevOps Administrator
3 5 (22.73%) DevOps Systems Engineer
3 5 (22.73%) Linux Administrator
3 5 (22.73%) Linux DevOps Administrator
3 5 (22.73%) Linux DevOps Engineer
3 5 (22.73%) Linux Engineer
3 5 (22.73%) Linux Systems Administrator
3 5 (22.73%) Linux Systems Engineer
3 5 (22.73%) Linux/Unix DevOps
3 5 (22.73%) Systems Administrator
4 3 (13.64%) Architect
4 3 (13.64%) AWS Architect
4 3 (13.64%) Infrastructure Architect
4 3 (13.64%) Junior
4 3 (13.64%) Junior Systems Administrator
4 3 (13.64%) Junior Systems Engineer
Libraries, Frameworks & Software Standards
1 7 (31.82%) Web Services
Miscellaneous
1 5 (22.73%) Cyberthreat
Operating Systems
1 22 (100.00%) Linux
2 19 (86.36%) Red Hat Enterprise Linux
3 5 (22.73%) Mac OS
3 5 (22.73%) Ubuntu
3 5 (22.73%) Windows
4 3 (13.64%) Debian
Processes & Methodologies
1 22 (100.00%) DevOps
2 7 (31.82%) Continuous Delivery
3 6 (27.27%) Low Latency
4 5 (22.73%) Artificial Intelligence
4 5 (22.73%) Machine Learning
4 5 (22.73%) Reinforcement Learning
5 3 (13.64%) Cybersecurity
5 3 (13.64%) Software Engineering
6 2 (9.09%) Agile Software Development
6 2 (9.09%) Build Automation
6 2 (9.09%) Configuration Management
6 2 (9.09%) Continuous Integration
6 2 (9.09%) ITIL
6 2 (9.09%) Scrum
6 2 (9.09%) Test Automation
Programming Languages
1 22 (100.00%) Bash Shell
2 20 (90.91%) Perl
2 20 (90.91%) Python
3 5 (22.73%) Java
4 3 (13.64%) C++
5 2 (9.09%) Ruby
Qualifications
1 3 (13.64%) CCNA
1 3 (13.64%) Cisco Certification
System Software
1 20 (90.91%) Docker
2 13 (59.09%) Hyper-V
3 11 (50.00%) VMware Infrastructure
4 3 (13.64%) LXC
Systems Management
1 22 (100.00%) Opscode Chef
1 22 (100.00%) Puppet
2 20 (90.91%) Grafana
2 20 (90.91%) Munin
2 20 (90.91%) ZABBIX
3 13 (59.09%) Salt
4 11 (50.00%) Ansible
5 3 (13.64%) Graphite
5 3 (13.64%) Graylog
5 3 (13.64%) Kibana
5 3 (13.64%) logstash
Vendors
1 13 (59.09%) VMware
2 3 (13.64%) Splunk
3 2 (9.09%) Cisco
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Salary: SHARE OPTIONS
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