Period
to 23 November 2017

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 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cambridgeshire > Cambridge
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 161 127 146
Rank change year-on-year -34 +19 -6
Permanent jobs citing CentOS 18 20 16
As % of all permanent IT jobs advertised in Cambridge 0.58% 0.87% 0.56%
As % of the Operating Systems category 1.88% 2.37% 2.00%
Number of salaries quoted 16 20 16
Cambridge median annual salary £50,000 £45,000 £42,500
Median salary % change year-on-year +11.11% +5.88% -1.16%
10th Percentile £45,000 £32,500 £37,500
90th Percentile £75,000 £51,875 £53,250
Cambridgeshire median annual salary £50,000 £49,500 £43,750
% change year-on-year +1.01% +13.14% +1.74%

CentOS is in the Operating Systems category. The following 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.

All Operating Systems
Cambridge
Permanent vacancies with a requirement for operating system skills 958 845 802
As % of all permanent IT jobs advertised in Cambridge 30.90% 36.80% 28.20%
Number of salaries quoted 734 703 688
Cambridge median annual salary £50,000 £42,500 £43,000
Median salary % change year-on-year +17.65% -1.16% +7.50%
10th Percentile £29,750 £25,000 £27,000
90th Percentile £67,500 £62,500 £61,250
Cambridgeshire median annual salary £47,500 £42,500 £42,500
% change year-on-year +11.76% - +6.25%

CentOS
Job Vacancy Trend in Cambridge

Job postings citing CentOS as a percentage of all IT jobs advertised in Cambridge.

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 6 months to 23 November 2017.

Salary histogram for CentOS in Cambridge

For the 6 months to 23 November 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 18 (100.00%) Linux
2 17 (94.44%) Puppet
3 16 (88.89%) Bash Shell
3 16 (88.89%) Opscode Chef
3 16 (88.89%) DevOps
4 15 (83.33%) Python
5 14 (77.78%) Amazon AWS
5 14 (77.78%) Docker
6 13 (72.22%) Grafana
6 13 (72.22%) ZABBIX
6 13 (72.22%) Munin
6 13 (72.22%) Perl
7 11 (61.11%) SMS
7 11 (61.11%) Red Hat Enterprise Linux
8 10 (55.56%) Jenkins
9 9 (50.00%) Ansible
9 9 (50.00%) Ubuntu
10 8 (44.44%) VMware
11 7 (38.89%) Web Services
11 7 (38.89%) Hyper-V
11 7 (38.89%) Salt
11 7 (38.89%) AWS CloudFormation
12 6 (33.33%) Amazon CloudWatch
12 6 (33.33%) LXC
12 6 (33.33%) Graphite
12 6 (33.33%) Continuous Delivery
12 6 (33.33%) Kibana
12 6 (33.33%) Graylog
12 6 (33.33%) IaaS
12 6 (33.33%) logstash

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 14 (77.78%) Amazon AWS
2 7 (38.89%) AWS CloudFormation
3 6 (33.33%) Amazon CloudWatch
3 6 (33.33%) IaaS
4 1 (5.56%) Office 365
Communications & Networking
1 11 (61.11%) SMS
2 6 (33.33%) Network Security
3 1 (5.56%) DHCP
3 1 (5.56%) DNS
3 1 (5.56%) LDAP
3 1 (5.56%) OpenVPN
3 1 (5.56%) VoIP
3 1 (5.56%) VSAT
Development Applications
1 10 (55.56%) Jenkins
2 3 (16.67%) Git (software)
3 2 (11.11%) Maven
4 1 (5.56%) GitLab
Job Titles
1 9 (50.00%) DevOps Engineer
2 6 (33.33%) Administrator
2 6 (33.33%) Architect
2 6 (33.33%) AWS Architect
2 6 (33.33%) AWS Engineer
2 6 (33.33%) Infrastructure Architect
2 6 (33.33%) Infrastructure Engineer
2 6 (33.33%) Linux DevOps Engineer
2 6 (33.33%) Linux Engineer
2 6 (33.33%) Linux/Unix DevOps
2 6 (33.33%) Systems Administrator
3 5 (27.78%) DevOps Administrator
3 5 (27.78%) DevOps Systems Engineer
3 5 (27.78%) Linux Administrator
3 5 (27.78%) Linux DevOps Administrator
3 5 (27.78%) Linux Systems Administrator
3 5 (27.78%) Linux Systems Engineer
3 5 (27.78%) Systems Engineer
4 2 (11.11%) Software Engineer
5 1 (5.56%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 7 (38.89%) Web Services
2 1 (5.56%) Natural Language Processing
2 1 (5.56%) RESTful
Miscellaneous
1 5 (27.78%) Cyberthreat
2 1 (5.56%) Analytical Skills
2 1 (5.56%) Computer Science
2 1 (5.56%) Data Centre
2 1 (5.56%) Robotics
Operating Systems
1 18 (100.00%) Linux
2 11 (61.11%) Red Hat Enterprise Linux
3 9 (50.00%) Ubuntu
4 6 (33.33%) Debian
4 6 (33.33%) Windows
5 5 (27.78%) Mac OS
6 2 (11.11%) Unix
7 1 (5.56%) CoreOS
7 1 (5.56%) Mac OS X
7 1 (5.56%) Windows Server
Processes & Methodologies
1 16 (88.89%) DevOps
2 6 (33.33%) Continuous Delivery
2 6 (33.33%) Machine Learning
3 5 (27.78%) Artificial Intelligence
3 5 (27.78%) Reinforcement Learning
4 4 (22.22%) Agile Software Development
5 3 (16.67%) Configuration Management
5 3 (16.67%) Continuous Integration
6 2 (11.11%) Build Automation
6 2 (11.11%) Scrum
6 2 (11.11%) Software Engineering
6 2 (11.11%) Test Automation
7 1 (5.56%) Computer Vision
7 1 (5.56%) Continuous Deployment
7 1 (5.56%) Disaster Recovery
7 1 (5.56%) ITIL
7 1 (5.56%) Load Balancing
7 1 (5.56%) Low Latency
7 1 (5.56%) Open Source
7 1 (5.56%) TDD
Programming Languages
1 16 (88.89%) Bash Shell
2 15 (83.33%) Python
3 13 (72.22%) Perl
4 3 (16.67%) Ruby
5 2 (11.11%) Java
6 1 (5.56%) C++
6 1 (5.56%) PHP
Qualifications
1 6 (33.33%) CCNA
1 6 (33.33%) Cisco Certification
2 1 (5.56%) Computer Science Degree
2 1 (5.56%) Degree
System Software
1 14 (77.78%) Docker
2 7 (38.89%) Hyper-V
3 6 (33.33%) LXC
4 2 (11.11%) VMware Infrastructure
5 1 (5.56%) Active Directory
5 1 (5.56%) NFS
Systems Management
1 17 (94.44%) Puppet
2 16 (88.89%) Opscode Chef
3 13 (72.22%) Grafana
3 13 (72.22%) Munin
3 13 (72.22%) ZABBIX
4 9 (50.00%) Ansible
5 7 (38.89%) Salt
6 6 (33.33%) Graphite
6 6 (33.33%) Graylog
6 6 (33.33%) Kibana
6 6 (33.33%) logstash
7 1 (5.56%) Kubernetes
7 1 (5.56%) Nagios
7 1 (5.56%) SCCM
7 1 (5.56%) Terraform
7 1 (5.56%) Tivoli
7 1 (5.56%) Tivoli Storage Manager
Vendors
1 8 (44.44%) VMware
2 6 (33.33%) Cisco
2 6 (33.33%) Splunk
3 1 (5.56%) Red Hat
3 1 (5.56%) Veeam