Period
to 18 February 2018

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 18 February 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cambridgeshire > Cambridge
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 172 134 154
Rank change year-on-year -38 +20 0
Permanent jobs citing CentOS 7 13 15
As % of all permanent IT jobs advertised in Cambridge 0.22% 0.58% 0.50%
As % of the Operating Systems category 0.68% 1.57% 1.77%
Number of salaries quoted 5 13 15
Cambridge median annual salary £50,000 £45,000 £37,500
Median salary % change year-on-year +11.11% +20.00% -25.00%
10th Percentile £32,300 £37,500 £26,600
90th Percentile £57,250 £62,050 £53,500
Cambridgeshire median annual salary £50,000 £49,250 £37,500
% change year-on-year +1.52% +31.33% -25.00%

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 1,024 828 848
As % of all permanent IT jobs advertised in Cambridge 31.63% 36.87% 28.34%
Number of salaries quoted 734 674 678
Cambridge median annual salary £50,000 £41,500 £42,500
Median salary % change year-on-year +20.48% -2.35% +6.25%
10th Percentile £29,225 £25,050 £27,350
90th Percentile £67,500 £62,500 £61,250
Cambridgeshire median annual salary £47,500 £42,500 £40,000
% 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 18 February 2018.

Salary histogram for CentOS in Cambridge

For the 6 months to 18 February 2018, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Cambridge region with a requirement for CentOS.

1 7 (100.00%) Linux
2 5 (71.43%) Python
3 4 (57.14%) Red Hat Enterprise Linux
3 4 (57.14%) Puppet
3 4 (57.14%) Docker
4 3 (42.86%) Amazon AWS
4 3 (42.86%) Opscode Chef
4 3 (42.86%) DevOps
4 3 (42.86%) Agile Software Development
4 3 (42.86%) VMware
4 3 (42.86%) Perl
5 2 (28.57%) Java
5 2 (28.57%) Unix
5 2 (28.57%) Ubuntu
5 2 (28.57%) Degree
5 2 (28.57%) Software Engineering
5 2 (28.57%) Bash Shell
5 2 (28.57%) Ansible
5 2 (28.57%) Open Source
5 2 (28.57%) Jenkins
5 2 (28.57%) AWS CloudFormation
6 1 (14.29%) Terraform
6 1 (14.29%) Grafana
6 1 (14.29%) Windows Server
6 1 (14.29%) Continuous Deployment
6 1 (14.29%) Computer Vision
6 1 (14.29%) Computer Science Degree
6 1 (14.29%) Kubernetes
6 1 (14.29%) Data Centre
6 1 (14.29%) Vagrant

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:

Application Platforms
1 1 (14.29%) Apache
Cloud Services
1 3 (42.86%) Amazon AWS
2 2 (28.57%) AWS CloudFormation
3 1 (14.29%) Office 365
3 1 (14.29%) SaaS
Communications & Networking
1 1 (14.29%) DHCP
1 1 (14.29%) DNS
1 1 (14.29%) Network Security
1 1 (14.29%) OpenVPN
1 1 (14.29%) SMS
1 1 (14.29%) VoIP
1 1 (14.29%) VSAT
Database & Business Intelligence
1 1 (14.29%) MongoDB
1 1 (14.29%) Oracle Database
Development Applications
1 2 (28.57%) Jenkins
2 1 (14.29%) Git (software)
2 1 (14.29%) GitLab
2 1 (14.29%) Vagrant
General
1 1 (14.29%) Pharmaceutical
Job Titles
1 2 (28.57%) Administrator
1 2 (28.57%) DevOps Engineer
1 2 (28.57%) Linux/Unix DevOps
1 2 (28.57%) Software Engineer
1 2 (28.57%) Systems Administrator
2 1 (14.29%) AWS Administrator
2 1 (14.29%) Developer
2 1 (14.29%) IT Engineer
2 1 (14.29%) Java Developer
2 1 (14.29%) Junior
2 1 (14.29%) Junior Developer
2 1 (14.29%) Linux Administrator
2 1 (14.29%) Linux Developer
2 1 (14.29%) Linux DevOps Engineer
2 1 (14.29%) Linux Engineer
2 1 (14.29%) Senior DevOps
2 1 (14.29%) Senior DevOps Engineer
2 1 (14.29%) Senior Software Engineer
2 1 (14.29%) Unix Administrator
2 1 (14.29%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 1 (14.29%) J2SE
1 1 (14.29%) LDAP
1 1 (14.29%) Natural Language Processing
1 1 (14.29%) RESTful
1 1 (14.29%) Web Services
Miscellaneous
1 1 (14.29%) Analytical Skills
1 1 (14.29%) Computer Science
1 1 (14.29%) Data Centre
1 1 (14.29%) Life Science
1 1 (14.29%) Management Information System
1 1 (14.29%) Robotics
Operating Systems
1 7 (100.00%) Linux
2 4 (57.14%) Red Hat Enterprise Linux
3 2 (28.57%) Ubuntu
3 2 (28.57%) Unix
4 1 (14.29%) Amazon Linux
4 1 (14.29%) CoreOS
4 1 (14.29%) Mac OS X
4 1 (14.29%) Windows
4 1 (14.29%) Windows Server
Processes & Methodologies
1 3 (42.86%) Agile Software Development
1 3 (42.86%) DevOps
2 2 (28.57%) Open Source
2 2 (28.57%) Software Engineering
3 1 (14.29%) Computer Vision
3 1 (14.29%) Configuration Management
3 1 (14.29%) Continuous Deployment
3 1 (14.29%) Continuous Integration
3 1 (14.29%) Disaster Recovery
3 1 (14.29%) High Availability
3 1 (14.29%) ITIL
3 1 (14.29%) Load Balancing
3 1 (14.29%) Machine Learning
3 1 (14.29%) Mathematics
3 1 (14.29%) Migration
3 1 (14.29%) TDD
Programming Languages
1 5 (71.43%) Python
2 3 (42.86%) Perl
3 2 (28.57%) Bash Shell
3 2 (28.57%) Java
4 1 (14.29%) C++
4 1 (14.29%) PHP
4 1 (14.29%) Ruby
Qualifications
1 2 (28.57%) Degree
2 1 (14.29%) Computer Science Degree
System Software
1 4 (57.14%) Docker
2 1 (14.29%) Active Directory
2 1 (14.29%) Hyper-V
2 1 (14.29%) NFS
2 1 (14.29%) VMware Infrastructure
Systems Management
1 4 (57.14%) Puppet
2 3 (42.86%) Opscode Chef
3 2 (28.57%) Ansible
4 1 (14.29%) Grafana
4 1 (14.29%) Kubernetes
4 1 (14.29%) Munin
4 1 (14.29%) Nagios
4 1 (14.29%) Salt
4 1 (14.29%) SCCM
4 1 (14.29%) Terraform
4 1 (14.29%) Tivoli
4 1 (14.29%) Tivoli Storage Manager
4 1 (14.29%) ZABBIX
Vendors
1 3 (42.86%) VMware
2 1 (14.29%) Cisco
2 1 (14.29%) Oracle
2 1 (14.29%) Red Hat
2 1 (14.29%) Veeam