Period
to 14 August 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 14 August 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cambridgeshire > Cambridge
6 months to
14 Aug 2018
Same period 2017 Same period 2016
Rank 133 146 131
Rank change year-on-year +13 -15 -6
Permanent jobs citing CentOS 28 27 21
As % of all permanent IT jobs advertised in Cambridge 1.07% 1.00% 0.85%
As % of the Operating Systems category 2.89% 3.27% 2.47%
Number of salaries quoted 13 27 21
Cambridge median annual salary £75,000 £62,500 £47,500
Median salary % change year-on-year +20.00% +31.58% +5.56%
Cambridgeshire median annual salary £75,000 £62,500 £47,500
% change year-on-year +20.00% +31.58% +5.56%

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 970 826 849
As % of all permanent IT jobs advertised in Cambridge 37.11% 30.56% 34.26%
Number of salaries quoted 555 648 713
Cambridge median annual salary £50,000 £45,000 £44,500
Median salary % change year-on-year +11.11% +1.12% +4.71%
10th Percentile £27,500 £26,750 £26,750
90th Percentile £70,000 £66,250 £62,500
Cambridgeshire median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% +1.19%

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 14 August 2018.

Salary histogram for CentOS in Cambridge

For the 6 months to 14 August 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 28 (100.00%) Linux
2 26 (92.86%) Python
3 24 (85.71%) Docker
4 23 (82.14%) Puppet
5 22 (78.57%) Opscode Chef
6 20 (71.43%) DevOps
6 20 (71.43%) Bash Shell
6 20 (71.43%) Red Hat Enterprise Linux
7 18 (64.29%) Ansible
8 15 (53.57%) Git (software)
8 15 (53.57%) VMware Infrastructure
8 15 (53.57%) Amazon AWS
8 15 (53.57%) High Availability
8 15 (53.57%) Windows
8 15 (53.57%) Red Hat
8 15 (53.57%) VMware
8 15 (53.57%) Windows Server
9 13 (46.43%) SQL Server
9 13 (46.43%) OpenStack
10 12 (42.86%) AppDynamics
10 12 (42.86%) SDLC
10 12 (42.86%) Application Performance Monitoring
10 12 (42.86%) WorldPay
10 12 (42.86%) Cisco Nexus
10 12 (42.86%) GitHub
10 12 (42.86%) Windows Server 2012
10 12 (42.86%) IaaS
10 12 (42.86%) New Relic
10 12 (42.86%) ServiceNow
10 12 (42.86%) Oracle Database

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 13 (46.43%) OpenStack
2 12 (42.86%) Confluence
2 12 (42.86%) WebLogic
2 12 (42.86%) WebSphere
3 1 (3.57%) Apache
3 1 (3.57%) WordPress
Business Applications
1 12 (42.86%) Documaker
Cloud Services
1 15 (53.57%) Amazon AWS
2 12 (42.86%) GitHub
2 12 (42.86%) IaaS
3 3 (10.71%) AWS CloudFormation
3 3 (10.71%) SaaS
Communications & Networking
1 12 (42.86%) Cisco IOS
1 12 (42.86%) Cisco Nexus
1 12 (42.86%) DHCP
1 12 (42.86%) DNS
1 12 (42.86%) FTP
1 12 (42.86%) HTTP
1 12 (42.86%) HTTPS
1 12 (42.86%) ICMP
1 12 (42.86%) IMAP
1 12 (42.86%) IPsec
1 12 (42.86%) OpenVPN
1 12 (42.86%) POP3
1 12 (42.86%) SMTP
1 12 (42.86%) SNMP
1 12 (42.86%) SSH
1 12 (42.86%) SSL
1 12 (42.86%) TCP/IP
1 12 (42.86%) Telnet
1 12 (42.86%) WPA2
2 3 (10.71%) Firewall
Database & Business Intelligence
1 13 (46.43%) SQL Server
2 12 (42.86%) MongoDB
2 12 (42.86%) Oracle Database
3 2 (7.14%) Relational Database
4 1 (3.57%) MariaDB
4 1 (3.57%) MySQL
4 1 (3.57%) PostgreSQL
Development Applications
1 15 (53.57%) Git (software)
2 12 (42.86%) Gerrit
2 12 (42.86%) JIRA
2 12 (42.86%) Sonatype Nexus
3 5 (17.86%) Vagrant
4 3 (10.71%) Jenkins
General
1 12 (42.86%) Finance
2 6 (21.43%) Marketing
3 1 (3.57%) Automotive
Job Titles
1 19 (67.86%) DevOps Engineer
2 13 (46.43%) Senior DevOps
2 13 (46.43%) Senior DevOps Engineer
3 6 (21.43%) Kubernetes Engineer
3 6 (21.43%) Systems Administrator
4 5 (17.86%) Administrator
4 5 (17.86%) Linux Systems Administrator
5 4 (14.29%) Linux Administrator
6 2 (7.14%) Linux/Unix DevOps
6 2 (7.14%) Server Administrator
6 2 (7.14%) Software Engineer
6 2 (7.14%) Windows Administrator
6 2 (7.14%) Windows Server Administrator
6 2 (7.14%) Windows Systems Administrator
7 1 (3.57%) IT Administrator
7 1 (3.57%) IT Engineer
7 1 (3.57%) IT Systems Administrator
7 1 (3.57%) Linux Engineer
Libraries, Frameworks & Software Standards
1 12 (42.86%) Middleware
1 12 (42.86%) RESTful
1 12 (42.86%) SOAP
1 12 (42.86%) Web Services
1 12 (42.86%) YAML
2 1 (3.57%) LAMP
2 1 (3.57%) LAPP Stack
Miscellaneous
1 3 (10.71%) Life Science
2 2 (7.14%) Algorithms
3 1 (3.57%) Data Centre
3 1 (3.57%) Replication
Operating Systems
1 28 (100.00%) Linux
2 20 (71.43%) Red Hat Enterprise Linux
3 15 (53.57%) Windows
3 15 (53.57%) Windows Server
4 12 (42.86%) Android
4 12 (42.86%) Solaris
4 12 (42.86%) Windows Server 2008
4 12 (42.86%) Windows Server 2012
5 5 (17.86%) Ubuntu
6 3 (10.71%) Debian
7 1 (3.57%) Amazon Linux
7 1 (3.57%) Fedora
Processes & Methodologies
1 20 (71.43%) DevOps
2 15 (53.57%) High Availability
3 12 (42.86%) Application Performance Monitoring
3 12 (42.86%) Capacity Planning
3 12 (42.86%) Disaster Recovery
3 12 (42.86%) Integration Testing
3 12 (42.86%) Network Monitoring
3 12 (42.86%) Performance Monitoring
3 12 (42.86%) Project Management
3 12 (42.86%) Release Management
3 12 (42.86%) Root Cause Analysis
3 12 (42.86%) Runbook
3 12 (42.86%) SDLC
4 7 (25.00%) Agile Software Development
5 6 (21.43%) Collaborative Working
5 6 (21.43%) Deployment Automation
5 6 (21.43%) Infrastructure Monitoring
5 6 (21.43%) Scrum
6 3 (10.71%) Migration
7 2 (7.14%) TDD
Programming Languages
1 26 (92.86%) Python
2 20 (71.43%) Bash Shell
3 12 (42.86%) JavaScript
3 12 (42.86%) PHP
3 12 (42.86%) PowerShell
3 12 (42.86%) SQL
4 10 (35.71%) Perl
5 3 (10.71%) Java
6 1 (3.57%) Shell Script
Qualifications
1 3 (10.71%) Degree
System Software
1 24 (85.71%) Docker
2 15 (53.57%) VMware Infrastructure
3 12 (42.86%) Samba
3 12 (42.86%) VirtualBox
4 4 (14.29%) Virtual Machines
5 3 (10.71%) vSphere
Systems Management
1 23 (82.14%) Puppet
2 22 (78.57%) Opscode Chef
3 18 (64.29%) Ansible
4 12 (42.86%) Nagios
4 12 (42.86%) Rancher
4 12 (42.86%) Sysdig
4 12 (42.86%) vRealize
5 6 (21.43%) Grafana
5 6 (21.43%) Kubernetes
5 6 (21.43%) Munin
5 6 (21.43%) Salt
5 6 (21.43%) ZABBIX
6 1 (3.57%) HAProxy
6 1 (3.57%) Icinga
Vendors
1 15 (53.57%) Red Hat
1 15 (53.57%) VMware
2 12 (42.86%) AppDynamics
2 12 (42.86%) BMC
2 12 (42.86%) Cisco
2 12 (42.86%) HP
2 12 (42.86%) IBM
2 12 (42.86%) Intel
2 12 (42.86%) New Relic
2 12 (42.86%) Oracle
2 12 (42.86%) ServiceNow
2 12 (42.86%) Splunk
2 12 (42.86%) WorldPay
3 3 (10.71%) Microsoft