Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Yorkshire 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 24 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > Yorkshire
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 215 282 289
Rank change year-on-year +67 +7 +18
Permanent jobs citing CentOS 93 50 74
As % of all permanent IT jobs advertised in Yorkshire 0.94% 0.45% 0.56%
As % of the Operating Systems category 4.32% 2.15% 2.35%
Number of salaries quoted 82 45 67
Yorkshire median annual salary £50,000 £45,000 £37,500
Median salary % change year-on-year +11.11% +20.00% +21.46%
10th Percentile £29,100 £19,750 £24,300
90th Percentile £60,000 £60,450 £51,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +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 Yorkshire with a requirement for operating system skills.

All Operating Systems
Yorkshire
Permanent vacancies with a requirement for operating system skills 2155 2325 3151
As % of all permanent IT jobs advertised in Yorkshire 21.87% 20.80% 23.90%
Number of salaries quoted 1819 1985 2641
Yorkshire median annual salary £37,500 £36,000 £37,500
Median salary % change year-on-year +4.17% -4.00% +7.14%
10th Percentile £21,250 £21,250 £22,500
90th Percentile £60,000 £55,000 £59,750
England median annual salary £45,000 £45,000 £45,000

CentOS
Job Vacancy Trend in Yorkshire

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

Job vacancy trend for CentOS in Yorkshire

CentOS
Salary Trend in Yorkshire

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

Salary trend for CentOS in Yorkshire

CentOS
Salary Histogram in Yorkshire

The salary distribution of IT jobs citing CentOS in Yorkshire over the 6 months to 24 November 2017.

Salary histogram for CentOS in Yorkshire

CentOS
Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Yorkshire region over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
North Yorkshire +34 53 £55,000 +35.80% 1
West Yorkshire +33 28 £45,000 -7.69% 8
South Yorkshire +22 8 £60,000 +33.33%
East Yorkshire - 4 £31,000 -
CentOS
England

For the 6 months to 24 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 Yorkshire region with a requirement for CentOS.

1 93 (100.00%) Linux
2 53 (56.99%) DevOps
3 47 (50.54%) Red Hat Enterprise Linux
4 45 (48.39%) Red Hat
5 42 (45.16%) Amazon AWS
6 39 (41.94%) Puppet
7 29 (31.18%) Amazon EC2
7 29 (31.18%) Release Management
8 28 (30.11%) MySQL
9 25 (26.88%) Google
10 22 (23.66%) PHP
11 20 (21.51%) Web Services
11 20 (21.51%) LAMP
12 19 (20.43%) Amazon RDS
13 18 (19.35%) JavaScript
14 17 (18.28%) Firewall
15 16 (17.20%) Analytical Skills
16 15 (16.13%) Nagios
16 15 (16.13%) DNS
17 14 (15.05%) VPN
17 14 (15.05%) Vagrant
18 12 (12.90%) Configuration Management
18 12 (12.90%) Microsoft
18 12 (12.90%) OpenVPN
18 12 (12.90%) MikroTik
18 12 (12.90%) Web Operations
19 11 (11.83%) Telecoms
20 10 (10.75%) Agile Software Development
20 10 (10.75%) Internet
20 10 (10.75%) Ubuntu

CentOS
Co-occurring IT Skills in Yorkshire 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 8 (8.60%) Apache
2 6 (6.45%) MS Exchange
2 6 (6.45%) nginx
3 2 (2.15%) CMS
3 2 (2.15%) Exchange Server 2013
3 2 (2.15%) IIS
3 2 (2.15%) SharePoint
4 1 (1.08%) Apache Solr
4 1 (1.08%) Elasticsearch
4 1 (1.08%) WordPress
Applications
1 1 (1.08%) Microsoft Excel
1 1 (1.08%) Microsoft PowerPoint
Cloud Services
1 42 (45.16%) Amazon AWS
2 29 (31.18%) Amazon EC2
3 10 (10.75%) Google Cloud Platform
4 3 (3.23%) Google Analytics
5 2 (2.15%) Amazon ELB
5 2 (2.15%) Microsoft Azure
6 1 (1.08%) Amazon SQS
6 1 (1.08%) AWS CloudFormation
6 1 (1.08%) BrowserStack
6 1 (1.08%) Cloudflare
6 1 (1.08%) G Suite
6 1 (1.08%) Office 365
Communications & Networking
1 17 (18.28%) Firewall
2 15 (16.13%) DNS
3 14 (15.05%) VPN
4 12 (12.90%) OpenVPN
5 10 (10.75%) Internet
6 2 (2.15%) IP Telephony
6 2 (2.15%) iSCSI
6 2 (2.15%) LDAP
6 2 (2.15%) Wi-Fi
7 1 (1.08%) Asterisk PBX
7 1 (1.08%) DHCP
7 1 (1.08%) LAN
7 1 (1.08%) MPLS
7 1 (1.08%) SSH
7 1 (1.08%) TCP/IP
7 1 (1.08%) WAN
Database & Business Intelligence
1 28 (30.11%) MySQL
2 19 (20.43%) Amazon RDS
3 9 (9.68%) MongoDB
3 9 (9.68%) Redis
4 2 (2.15%) InfluxDB
5 1 (1.08%) Apache Cassandra
5 1 (1.08%) MariaDB
5 1 (1.08%) SQL Server
Development Applications
1 14 (15.05%) Vagrant
2 5 (5.38%) JIRA
3 4 (4.30%) Bitbucket
3 4 (4.30%) Git (software)
3 4 (4.30%) PhpStorm
3 4 (4.30%) PHPUnit
4 3 (3.23%) Atlassian Bamboo
4 3 (3.23%) Subversion
5 2 (2.15%) Jenkins
6 1 (1.08%) Codeception
6 1 (1.08%) JIRA Agile
6 1 (1.08%) JMeter
6 1 (1.08%) NetBeans
6 1 (1.08%) RSpec
6 1 (1.08%) Selenium
6 1 (1.08%) Sublime Text
6 1 (1.08%) TeamCity
General
1 11 (11.83%) Telecoms
2 7 (7.53%) Finance
3 3 (3.23%) Advertising
3 3 (3.23%) Games
4 2 (2.15%) Back Office
4 2 (2.15%) Law
5 1 (1.08%) Marketing
Job Titles
1 39 (41.94%) DevOps Engineer
2 16 (17.20%) Linux/Unix DevOps
2 16 (17.20%) Senior DevOps
2 16 (17.20%) Senior DevOps Engineer
3 15 (16.13%) Administrator
3 15 (16.13%) Systems Administrator
4 13 (13.98%) Linux Engineer
5 10 (10.75%) Linux DevOps Engineer
5 10 (10.75%) Senior Systems Administrator
6 9 (9.68%) DevOps Systems Engineer
6 9 (9.68%) Systems Engineer
7 8 (8.60%) AWS Engineer
7 8 (8.60%) Developer
7 8 (8.60%) WebOps Engineer
8 7 (7.53%) AWS DevOps
8 7 (7.53%) AWS DevOps Engineer
8 7 (7.53%) PHP Developer
8 7 (7.53%) Project Engineer
9 6 (6.45%) Cloud Engineer
9 6 (6.45%) Site Engineer
Libraries, Frameworks & Software Standards
1 20 (21.51%) LAMP
1 20 (21.51%) Web Services
2 8 (8.60%) RabbitMQ
3 7 (7.53%) Laravel
3 7 (7.53%) Symfony
4 6 (6.45%) CSS
4 6 (6.45%) HTML
5 5 (5.38%) Node.js
6 4 (4.30%) LEMP Stack
7 3 (3.23%) Ajax
7 3 (3.23%) RESTful
7 3 (3.23%) XHTML
8 1 (1.08%) Elastic Stack
8 1 (1.08%) Ember.js
8 1 (1.08%) JSON
8 1 (1.08%) React
8 1 (1.08%) REST
8 1 (1.08%) Zend Framework
Miscellaneous
1 16 (17.20%) Analytical Skills
2 9 (9.68%) Greenfield Project
3 7 (7.53%) Linux Command Line
4 6 (6.45%) Video\Live Streaming
5 3 (3.23%) Graphic Design
5 3 (3.23%) Internet of Things
5 3 (3.23%) Machine to Machine
5 3 (3.23%) NHS
5 3 (3.23%) Social Media
6 2 (2.15%) CMDB
6 2 (2.15%) Data Structures
6 2 (2.15%) Management Information System
6 2 (2.15%) Public Cloud
Operating Systems
1 93 (100.00%) Linux
2 47 (50.54%) Red Hat Enterprise Linux
3 10 (10.75%) Ubuntu
4 8 (8.60%) Windows
5 5 (5.38%) Windows Server
6 4 (4.30%) Fedora
6 4 (4.30%) Windows Server 2008
7 3 (3.23%) Debian
8 2 (2.15%) Unix
8 2 (2.15%) Windows Server 2012
9 1 (1.08%) Android
9 1 (1.08%) Oracle Linux
Processes & Methodologies
1 53 (56.99%) DevOps
2 29 (31.18%) Release Management
3 12 (12.90%) Configuration Management
3 12 (12.90%) Web Operations
4 10 (10.75%) Agile Software Development
5 8 (8.60%) Collaborative Working
5 8 (8.60%) ITIL
6 4 (4.30%) High Availability
6 4 (4.30%) Mentoring
6 4 (4.30%) MVC
6 4 (4.30%) Service Management
6 4 (4.30%) Software Engineering
7 3 (3.23%) Analytics
7 3 (3.23%) Scrum
7 3 (3.23%) SEO
7 3 (3.23%) TDD
7 3 (3.23%) Unit Testing
7 3 (3.23%) Web Development
7 3 (3.23%) Workflow
8 2 (2.15%) Continuous Improvement
Programming Languages
1 22 (23.66%) PHP
2 18 (19.35%) JavaScript
3 9 (9.68%) Ruby
4 7 (7.53%) Bash Shell
5 6 (6.45%) Java
6 5 (5.38%) Python
7 3 (3.23%) PHP 7
7 3 (3.23%) SQL
8 2 (2.15%) Perl
9 1 (1.08%) C
Qualifications
1 4 (4.30%) Microsoft Certification
2 2 (2.15%) AWS Certification
2 2 (2.15%) HNC
2 2 (2.15%) MCITP
2 2 (2.15%) MCSA
2 2 (2.15%) MCSE
2 2 (2.15%) MCTS
2 2 (2.15%) NVQ Level 4
3 1 (1.08%) Degree
3 1 (1.08%) SC Cleared
3 1 (1.08%) Security Cleared
Quality Assurance & Compliance
1 1 (1.08%) SLA
System Software
1 4 (4.30%) VMware Infrastructure
2 3 (3.23%) Active Directory
2 3 (3.23%) Docker
2 3 (3.23%) Samba
3 2 (2.15%) Gluster
4 1 (1.08%) Hyper-V
4 1 (1.08%) OpenSIPS
4 1 (1.08%) vCloud
4 1 (1.08%) Virtual Machines
4 1 (1.08%) VirtualBox
4 1 (1.08%) vSphere
Systems Management
1 39 (41.94%) Puppet
2 15 (16.13%) Nagios
3 6 (6.45%) Ansible
3 6 (6.45%) Opscode Chef
4 2 (2.15%) Grafana
4 2 (2.15%) ServiceCenter
4 2 (2.15%) ZABBIX
5 1 (1.08%) Capistrano
5 1 (1.08%) Kibana
5 1 (1.08%) logstash
5 1 (1.08%) Salt
5 1 (1.08%) Terraform
5 1 (1.08%) vCenter Server
Vendors
1 45 (48.39%) Red Hat
2 25 (26.88%) Google
3 12 (12.90%) Microsoft
3 12 (12.90%) MikroTik
4 9 (9.68%) HP
5 8 (8.60%) VMware
6 3 (3.23%) Atlassian
6 3 (3.23%) DoubleClick
6 3 (3.23%) Splunk
7 2 (2.15%) Dell
8 1 (1.08%) Apple
8 1 (1.08%) Avaya
8 1 (1.08%) Cisco
8 1 (1.08%) F5
8 1 (1.08%) Oracle
8 1 (1.08%) Percona
8 1 (1.08%) Zend