Period
to 16 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Leeds 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 16 January 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 190 213 253
Rank change year-on-year +23 +40 -40
Permanent jobs citing CentOS 24 14 18
As % of all permanent IT jobs advertised in Leeds 0.51% 0.27% 0.27%
As % of the Operating Systems category 2.87% 1.29% 1.17%
Number of salaries quoted 22 14 16
Leeds median annual salary £40,000 £43,750 £44,000
Median salary % change year-on-year -8.57% -0.57% +45.45%
10th Percentile £23,225 £32,500 £23,250
90th Percentile £60,000 £63,875 £50,375
West Yorkshire median annual salary £40,000 £40,000 £47,500
% change year-on-year - -15.79% +57.02%

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 Leeds with a requirement for operating system skills.

All Operating Systems
Leeds
Permanent vacancies with a requirement for operating system skills 835 1,087 1,539
As % of all permanent IT jobs advertised in Leeds 17.65% 20.58% 22.69%
Number of salaries quoted 739 898 1,262
Leeds median annual salary £40,000 £37,500 £40,000
Median salary % change year-on-year +6.67% -6.25% -
10th Percentile £24,950 £21,250 £23,250
90th Percentile £60,000 £58,750 £60,000
West Yorkshire median annual salary £37,500 £37,500 £40,000
% change year-on-year - -6.25% +6.67%

CentOS
Job Vacancy Trend in Leeds

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

Job vacancy trend for CentOS in Leeds

CentOS
Salary Trend in Leeds

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

Salary trend for CentOS in Leeds

CentOS
Salary Histogram in Leeds

The salary distribution of IT jobs citing CentOS in Leeds over the 6 months to 16 January 2018.

Salary histogram for CentOS in Leeds

For the 6 months to 16 January 2018, 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 Leeds region with a requirement for CentOS.

1 24 (100.00%) Linux
2 13 (54.17%) PHP
3 12 (50.00%) JavaScript
3 12 (50.00%) LAMP
4 9 (37.50%) Red Hat
4 9 (37.50%) Red Hat Enterprise Linux
5 8 (33.33%) Google
5 8 (33.33%) MySQL
5 8 (33.33%) DevOps
6 7 (29.17%) HTML
6 7 (29.17%) CSS
6 7 (29.17%) Configuration Management
6 7 (29.17%) Laravel
6 7 (29.17%) Redis
7 6 (25.00%) RabbitMQ
7 6 (25.00%) Apache
8 5 (20.83%) Java
8 5 (20.83%) MongoDB
8 5 (20.83%) High Availability
8 5 (20.83%) nginx
8 5 (20.83%) Ubuntu
8 5 (20.83%) Vagrant
8 5 (20.83%) Analytical Skills
8 5 (20.83%) Web Operations
9 4 (16.67%) Ajax
9 4 (16.67%) Graphic Design
9 4 (16.67%) Web Development
9 4 (16.67%) Symfony
9 4 (16.67%) Google Analytics
9 4 (16.67%) Subversion

CentOS
Co-occurring IT Skills in Leeds 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 6 (25.00%) Apache
2 5 (20.83%) nginx
3 1 (4.17%) CMS
3 1 (4.17%) MS Exchange
3 1 (4.17%) SharePoint
Applications
1 1 (4.17%) Microsoft Excel
1 1 (4.17%) Microsoft Office
1 1 (4.17%) Microsoft PowerPoint
Cloud Services
1 4 (16.67%) Google Analytics
2 3 (12.50%) Amazon AWS
3 2 (8.33%) Office 365
4 1 (4.17%) Azure Active Directory
4 1 (4.17%) Microsoft Azure
Communications & Networking
1 3 (12.50%) Firewall
1 3 (12.50%) Internet
2 2 (8.33%) LAN
2 2 (8.33%) WAN
3 1 (4.17%) Asterisk PBX
3 1 (4.17%) DHCP
3 1 (4.17%) DNS
3 1 (4.17%) MPLS
3 1 (4.17%) Remote Desktop
3 1 (4.17%) TCP/IP
3 1 (4.17%) Wireshark
Database & Business Intelligence
1 8 (33.33%) MySQL
2 7 (29.17%) Redis
3 5 (20.83%) MongoDB
4 2 (8.33%) SQL Server
5 1 (4.17%) Power BI
Development Applications
1 5 (20.83%) Vagrant
2 4 (16.67%) Subversion
3 3 (12.50%) Atlassian Bamboo
3 3 (12.50%) Bitbucket
3 3 (12.50%) Git (software)
3 3 (12.50%) JIRA
3 3 (12.50%) PhpStorm
3 3 (12.50%) PHPUnit
General
1 4 (16.67%) Advertising
2 2 (8.33%) Games
3 1 (4.17%) Pharmaceutical
3 1 (4.17%) Telecoms
Job Titles
1 7 (29.17%) Developer
1 7 (29.17%) PHP Developer
2 5 (20.83%) WebOps Engineer
3 4 (16.67%) Applications Developer
3 4 (16.67%) PHP Web Applications Developer
3 4 (16.67%) PHP Web Developer
3 4 (16.67%) Web Applications Developer
3 4 (16.67%) Web Developer
4 3 (12.50%) DevOps Engineer
4 3 (12.50%) Senior Developer
4 3 (12.50%) Senior PHP Developer
5 2 (8.33%) Administrator
5 2 (8.33%) AWS Administrator
5 2 (8.33%) IT Administrator
5 2 (8.33%) IT Systems Administrator
5 2 (8.33%) Linux Administrator
5 2 (8.33%) Linux Systems Administrator
5 2 (8.33%) Systems Administrator
5 2 (8.33%) Technical Leader
5 2 (8.33%) Technical Support
Libraries, Frameworks & Software Standards
1 12 (50.00%) LAMP
2 7 (29.17%) CSS
2 7 (29.17%) HTML
2 7 (29.17%) Laravel
3 6 (25.00%) RabbitMQ
4 4 (16.67%) Ajax
4 4 (16.67%) Symfony
4 4 (16.67%) XHTML
5 3 (12.50%) LEMP Stack
5 3 (12.50%) RESTful
6 1 (4.17%) Node.js
Miscellaneous
1 5 (20.83%) Analytical Skills
2 4 (16.67%) Graphic Design
2 4 (16.67%) NHS
2 4 (16.67%) Social Media
3 3 (12.50%) Internet of Things
3 3 (12.50%) Machine to Machine
4 2 (8.33%) Greenfield Project
5 1 (4.17%) Linux Command Line
5 1 (4.17%) Microsoft Licensing
5 1 (4.17%) PlayStation
Operating Systems
1 24 (100.00%) Linux
2 9 (37.50%) Red Hat Enterprise Linux
3 5 (20.83%) Ubuntu
4 3 (12.50%) Fedora
5 2 (8.33%) Debian
5 2 (8.33%) Windows
5 2 (8.33%) Windows Server
6 1 (4.17%) Windows 10
Processes & Methodologies
1 8 (33.33%) DevOps
2 7 (29.17%) Configuration Management
3 5 (20.83%) High Availability
3 5 (20.83%) Web Operations
4 4 (16.67%) Analytics
4 4 (16.67%) MVC
4 4 (16.67%) SEO
4 4 (16.67%) Service Management
4 4 (16.67%) Web Development
5 3 (12.50%) Agile Software Development
5 3 (12.50%) Scrum
5 3 (12.50%) TDD
5 3 (12.50%) Unit Testing
5 3 (12.50%) Workflow
6 2 (8.33%) Incident Management
6 2 (8.33%) Mentoring
7 1 (4.17%) Mathematics
7 1 (4.17%) Software Engineering
7 1 (4.17%) Software Licensing
7 1 (4.17%) System Testing
Programming Languages
1 13 (54.17%) PHP
2 12 (50.00%) JavaScript
3 5 (20.83%) Java
4 3 (12.50%) PHP 7
4 3 (12.50%) Python
5 2 (8.33%) Bash Shell
5 2 (8.33%) Ruby
5 2 (8.33%) SQL
6 1 (4.17%) C
6 1 (4.17%) C++
6 1 (4.17%) PowerShell
Qualifications
1 2 (8.33%) AWS Certification
1 2 (8.33%) HNC
1 2 (8.33%) NVQ Level 4
2 1 (4.17%) Degree
2 1 (4.17%) MCP
2 1 (4.17%) MCSA
2 1 (4.17%) MCSE
2 1 (4.17%) Microsoft Certification
2 1 (4.17%) SC Cleared
2 1 (4.17%) Security Cleared
Quality Assurance & Compliance
1 1 (4.17%) SLA
System Software
1 4 (16.67%) Samba
2 3 (12.50%) Docker
3 2 (8.33%) Active Directory
4 1 (4.17%) OpenSIPS
4 1 (4.17%) Terminal Services
4 1 (4.17%) vCloud
4 1 (4.17%) VMware Server
4 1 (4.17%) vSphere
4 1 (4.17%) XenApp
4 1 (4.17%) XenDesktop
Systems Management
1 4 (16.67%) Puppet
2 3 (12.50%) Opscode Chef
3 2 (8.33%) Ansible
4 1 (4.17%) Salt
4 1 (4.17%) vCenter Server
Vendors
1 9 (37.50%) Red Hat
2 8 (33.33%) Google
3 4 (16.67%) DoubleClick
4 3 (12.50%) Atlassian
4 3 (12.50%) Microsoft
5 2 (8.33%) Cisco
5 2 (8.33%) Splunk
5 2 (8.33%) VMware
6 1 (4.17%) Apple
6 1 (4.17%) Avaya
6 1 (4.17%) Citrix
6 1 (4.17%) F5