Period
to 17 February 2019

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 17 February 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
Cambridgeshire > Cambridge
6 months to
17 Feb 2019
Same period 2018 Same period 2017
Rank 130 175 136
Rank change year-on-year +45 -39 +16
Permanent jobs citing CentOS 12 7 13
As % of all permanent IT jobs advertised in Cambridge 0.59% 0.22% 0.58%
As % of the Operating Systems category 1.65% 0.68% 1.57%
Number of salaries quoted 7 5 13
Cambridge median annual salary £49,500 £50,000 £45,000
Median salary % change year-on-year -1.00% +11.11% +16.13%
10th Percentile £44,000 £32,300 £37,500
90th Percentile £67,500 £57,250 £62,050
Cambridgeshire median annual salary £45,000 £50,000 £49,250
% change year-on-year -10.00% +1.52% +31.33%

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 728 1,025 829
As % of all permanent IT jobs advertised in Cambridge 35.70% 31.63% 36.81%
Number of salaries quoted 511 735 675
Cambridge median annual salary £50,000 £50,000 £41,500
Median salary % change year-on-year - +20.48% -2.35%
10th Percentile £27,750 £29,300 £25,020
90th Percentile £67,500 £67,500 £62,500
Cambridgeshire median annual salary £47,500 £47,500 £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 17 February 2019.

Salary histogram for CentOS in Cambridge

For the 6 months to 17 February 2019, 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 12 (100.00%) Linux
2 7 (58.33%) Red Hat
3 6 (50.00%) Microsoft
3 6 (50.00%) Windows
3 6 (50.00%) Ubuntu
3 6 (50.00%) Virtual Machines
4 5 (41.67%) Git (software)
4 5 (41.67%) Puppet
4 5 (41.67%) Office 365
4 5 (41.67%) Docker
4 5 (41.67%) Python
4 5 (41.67%) VMware
4 5 (41.67%) Debian
5 4 (33.33%) VLAN
5 4 (33.33%) PostgreSQL
5 4 (33.33%) SAN
5 4 (33.33%) Firewall
5 4 (33.33%) CSS
5 4 (33.33%) Apache
5 4 (33.33%) HAProxy
5 4 (33.33%) MariaDB
5 4 (33.33%) Open Source
5 4 (33.33%) vSphere
5 4 (33.33%) Network Security
5 4 (33.33%) WordPress
5 4 (33.33%) VMware Infrastructure
5 4 (33.33%) Server Virtualisation
5 4 (33.33%) Windows Server
5 4 (33.33%) Problem-Solving
6 3 (25.00%) LAPP Stack

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 4 (33.33%) Apache
1 4 (33.33%) WordPress
2 3 (25.00%) OpenStack
3 1 (8.33%) nginx
Applications
1 2 (16.67%) Microsoft Excel
1 2 (16.67%) Microsoft Office
1 2 (16.67%) Microsoft Project
1 2 (16.67%) MS Visio
Business Applications
1 2 (16.67%) Odoo
Cloud Services
1 5 (41.67%) Office 365
2 1 (8.33%) Amazon AWS
Communications & Networking
1 4 (33.33%) Firewall
1 4 (33.33%) Network Security
1 4 (33.33%) SAN
1 4 (33.33%) VLAN
2 3 (25.00%) IPv4
2 3 (25.00%) IPv6
3 2 (16.67%) DHCP
3 2 (16.67%) DNS
4 1 (8.33%) SNMP
Database & Business Intelligence
1 4 (33.33%) MariaDB
1 4 (33.33%) PostgreSQL
2 3 (25.00%) SQL Server
3 2 (16.67%) MySQL
4 1 (8.33%) RDBMS
4 1 (8.33%) Relational Database
Development Applications
1 5 (41.67%) Git (software)
2 3 (25.00%) Jenkins
3 2 (16.67%) Hudson
General
1 1 (8.33%) Electronics
1 1 (8.33%) Manufacturing
Job Titles
1 7 (58.33%) Systems Administrator
2 6 (50.00%) Administrator
2 6 (50.00%) Linux Systems Administrator
3 5 (41.67%) Linux Administrator
4 4 (33.33%) Windows Administrator
4 4 (33.33%) Windows Systems Administrator
5 3 (25.00%) IT Administrator
5 3 (25.00%) IT Systems Administrator
5 3 (25.00%) Senior IT Administrator
5 3 (25.00%) Senior Linux Administrator
5 3 (25.00%) Senior Linux Systems Administrator
5 3 (25.00%) Senior Systems Administrator
5 3 (25.00%) Senior Windows Administrator
5 3 (25.00%) Senior Windows Systems Administrator
6 2 (16.67%) Deskside Support
6 2 (16.67%) Desktop Support
6 2 (16.67%) IT Engineer
6 2 (16.67%) Linux Engineer
7 1 (8.33%) Linux/Unix DevOps
7 1 (8.33%) Python Engineer
Libraries, Frameworks & Software Standards
1 4 (33.33%) CSS
2 3 (25.00%) LAMP
2 3 (25.00%) LAPP Stack
3 2 (16.67%) LDAP
4 1 (8.33%) Hibernate
4 1 (8.33%) HTML
4 1 (8.33%) HTML5
4 1 (8.33%) JSP
4 1 (8.33%) LEMP Stack
4 1 (8.33%) OAuth
4 1 (8.33%) OpenID
4 1 (8.33%) Ruby on Rails
4 1 (8.33%) SAML
4 1 (8.33%) Spring
4 1 (8.33%) Web Services
Miscellaneous
1 3 (25.00%) Data Centre
2 2 (16.67%) Analytical Skills
2 2 (16.67%) Self-Motivation
2 2 (16.67%) Smartphone
Operating Systems
1 12 (100.00%) Linux
2 6 (50.00%) Ubuntu
2 6 (50.00%) Windows
3 5 (41.67%) Debian
4 4 (33.33%) Windows Server
5 3 (25.00%) Fedora
6 2 (16.67%) Mac OS
6 2 (16.67%) Mac OS X
6 2 (16.67%) Red Hat Enterprise Linux
6 2 (16.67%) Windows 10
6 2 (16.67%) Windows 7
Processes & Methodologies
1 4 (33.33%) Open Source
1 4 (33.33%) Problem-Solving
1 4 (33.33%) Server Virtualisation
2 3 (25.00%) Agile Software Development
2 3 (25.00%) ITIL
3 2 (16.67%) Change Management
3 2 (16.67%) Configuration Management
3 2 (16.67%) CRM
3 2 (16.67%) Logistics
3 2 (16.67%) Scrum
3 2 (16.67%) Server Monitoring
4 1 (8.33%) Computer Science
4 1 (8.33%) DevOps
4 1 (8.33%) Load Balancing
4 1 (8.33%) SDLC
4 1 (8.33%) Software Engineering
4 1 (8.33%) TDD
4 1 (8.33%) Web Development
Programming Languages
1 5 (41.67%) Python
2 3 (25.00%) Shell Script
3 2 (16.67%) Bash Shell
3 2 (16.67%) Ruby
4 1 (8.33%) Go
4 1 (8.33%) Java
4 1 (8.33%) JavaScript
4 1 (8.33%) PHP
4 1 (8.33%) SQL
Qualifications
1 2 (16.67%) Cisco Certification
1 2 (16.67%) MCP
2 1 (8.33%) Degree
Quality Assurance & Compliance
1 2 (16.67%) SLA
System Software
1 6 (50.00%) Virtual Machines
2 5 (41.67%) Docker
3 4 (33.33%) VMware Infrastructure
3 4 (33.33%) vSphere
4 2 (16.67%) Active Directory
5 1 (8.33%) Shibboleth
Systems Management
1 5 (41.67%) Puppet
2 4 (33.33%) HAProxy
3 3 (25.00%) Ansible
3 3 (25.00%) Icinga
4 2 (16.67%) Opscode Chef
5 1 (8.33%) Kubernetes
5 1 (8.33%) Red Hat Satellite
Vendors
1 7 (58.33%) Red Hat
2 6 (50.00%) Microsoft
3 5 (41.67%) VMware
4 2 (16.67%) Bomgar
4 2 (16.67%) Cisco
4 2 (16.67%) Snow