Period
to 7 December 2019

The following table provides summary statistics for permanent job vacancies advertised in the North West 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 7 December 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > North West
6 months to
7 Dec 2019
Same period 2018 Same period 2017
Rank 262 268 284
Rank change year-on-year +6 +16 +2
Permanent jobs citing CentOS 53 80 96
As % of all permanent IT jobs advertised in the North West 0.55% 0.70% 0.73%
As % of the Operating Systems category 2.50% 3.08% 3.23%
Number of salaries quoted 41 35 79
North West median annual salary £49,482 £45,000 £45,000
Median salary % change year-on-year +9.96% - +15.38%
10th Percentile £31,250 £33,000 £31,000
90th Percentile £55,000 £78,000 £67,500
England median annual salary £52,500 £53,250 £50,000
% change year-on-year -1.41% +6.50% -

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 the North West with a requirement for operating system skills.

All Operating Systems
North West
Permanent vacancies with a requirement for operating system skills 2,121 2,594 2,976
As % of all permanent IT jobs advertised in the North West 22.17% 22.58% 22.67%
Number of salaries quoted 1,637 2,067 2,350
North West median annual salary £40,000 £40,000 £40,000
10th Percentile £22,500 £21,250 £21,250
90th Percentile £65,000 £65,000 £60,000
England median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% -

CentOS
Job Vacancy Trend in the North West

Job postings citing CentOS as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for CentOS in the North West

CentOS
Salary Trend in the North West

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

Salary trend for CentOS in the North West

CentOS
Salary Histogram in the North West

The salary distribution of IT jobs citing CentOS in the North West over the 6 months to 7 December 2019.

Salary histogram for CentOS in the North West

CentOS
Job Locations in the North West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the North West region over the 6 months to 7 December 2019. 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
Manchester +7 38 £49,482 +23.71% 15
Cheshire +25 7 £32,500 -27.78%
Lancashire -1 6 £55,000 +37.50% 2
Merseyside +2 2 - -
CentOS
England

For the 6 months to 7 December 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 North West region with a requirement for CentOS.

1 53 (100.00%) Linux
2 31 (58.49%) Agile Software Development
2 31 (58.49%) Jenkins
3 30 (56.60%) DevOps
4 26 (49.06%) Python
5 25 (47.17%) Git (software)
6 24 (45.28%) Red Hat Enterprise Linux
6 24 (45.28%) Windows
7 21 (39.62%) Ubuntu
7 21 (39.62%) Docker
8 19 (35.85%) C++
8 19 (35.85%) Java
8 19 (35.85%) DNS
9 18 (33.96%) Test Automation
9 18 (33.96%) JIRA
9 18 (33.96%) AWS
9 18 (33.96%) Bash Shell
10 17 (32.08%) Virtual Machines
10 17 (32.08%) Degree
10 17 (32.08%) Red Hat
10 17 (32.08%) MySQL
11 16 (30.19%) Software Engineering
11 16 (30.19%) Ansible
12 15 (28.30%) Azure
12 15 (28.30%) Open Source
13 14 (26.42%) Apache
13 14 (26.42%) Firewall
14 13 (24.53%) VMware
14 13 (24.53%) Puppet
14 13 (24.53%) VMware ESXi

CentOS
Co-occurring IT Skills in the North West 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 14 (26.42%) Apache
2 8 (15.09%) Confluence
3 6 (11.32%) nginx
4 5 (9.43%) SharePoint
5 4 (7.55%) WordPress
6 1 (1.89%) IIS
6 1 (1.89%) Tomcat
Cloud Services
1 18 (33.96%) AWS
2 15 (28.30%) Azure
3 8 (15.09%) GCP
4 5 (9.43%) Office 365
5 4 (7.55%) GitHub
6 3 (5.66%) Cloud Computing
7 2 (3.77%) IaaS
8 1 (1.89%) Amazon ECS
Communications & Networking
1 19 (35.85%) DNS
2 14 (26.42%) Firewall
3 7 (13.21%) SMTP
3 7 (13.21%) VLAN
4 4 (7.55%) SSH
5 2 (3.77%) BGP
5 2 (3.77%) Cisco ASA
5 2 (3.77%) Cisco Firepower
5 2 (3.77%) HSRP
5 2 (3.77%) Intrusion Detection
5 2 (3.77%) IPv4
5 2 (3.77%) IPv6
5 2 (3.77%) MPLS
5 2 (3.77%) Network Security
5 2 (3.77%) OSPF
5 2 (3.77%) TCP/IP
5 2 (3.77%) VPLS
5 2 (3.77%) VRRP
5 2 (3.77%) VXLAN
6 1 (1.89%) SAN
Database & Business Intelligence
1 17 (32.08%) MySQL
2 7 (13.21%) MariaDB
3 3 (5.66%) NoSQL
4 2 (3.77%) Relational Database
5 1 (1.89%) Ingres
5 1 (1.89%) MongoDB
5 1 (1.89%) PostgreSQL
5 1 (1.89%) RDBMS
5 1 (1.89%) SQL Server
Development Applications
1 31 (58.49%) Jenkins
2 25 (47.17%) Git (software)
3 18 (33.96%) JIRA
4 10 (18.87%) Atlassian Bamboo
4 10 (18.87%) Gerrit
5 8 (15.09%) Selenium
6 7 (13.21%) Bitbucket
6 7 (13.21%) Bitbucket Server
6 7 (13.21%) JUnit
7 5 (9.43%) GitLab
8 1 (1.89%) Sonatype Nexus
General
1 5 (9.43%) Finance
1 5 (9.43%) Retail
2 4 (7.55%) Public Sector
3 2 (3.77%) Legal
4 1 (1.89%) Banking
Job Titles
1 12 (22.64%) Linux Engineer
1 12 (22.64%) Systems Engineer
2 11 (20.75%) DevOps Engineer
2 11 (20.75%) Software Engineer
3 7 (13.21%) Infrastructure Engineer
4 6 (11.32%) Linux Systems Engineer
4 6 (11.32%) Senior Software Engineer
5 5 (9.43%) Compiler Engineer
5 5 (9.43%) Network Systems Engineer
5 5 (9.43%) Senior Compiler Engineer
6 4 (7.55%) Developer
6 4 (7.55%) PHP Developer
6 4 (7.55%) PowerShell Engineer
7 3 (5.66%) AWS DevOps
7 3 (5.66%) AWS DevOps Engineer
7 3 (5.66%) AWS Engineer
7 3 (5.66%) Full Stack Developer
7 3 (5.66%) Kubernetes Engineer
7 3 (5.66%) Linux DevOps Engineer
7 3 (5.66%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 12 (22.64%) LAMP
2 10 (18.87%) OpenJDK
3 8 (15.09%) Java EE
4 7 (13.21%) LDAP
5 6 (11.32%) Spring
6 5 (9.43%) CSS
6 5 (9.43%) HTML
6 5 (9.43%) jQuery
6 5 (9.43%) LEMP Stack
6 5 (9.43%) Node.js
7 4 (7.55%) AngularJS
7 4 (7.55%) JSON
7 4 (7.55%) Laravel
7 4 (7.55%) LESS
7 4 (7.55%) REST
7 4 (7.55%) Sass
7 4 (7.55%) SOAP
7 4 (7.55%) Vue.js
7 4 (7.55%) Web Services
7 4 (7.55%) XML
Miscellaneous
1 12 (22.64%) Wiki
2 11 (20.75%) Self-Motivation
3 10 (18.87%) Data Centre
3 10 (18.87%) Smartphone
3 10 (18.87%) Virtual Team
4 5 (9.43%) Analytical Skills
4 5 (9.43%) Public Cloud
5 3 (5.66%) Management Information System
6 2 (3.77%) Hybrid Cloud
6 2 (3.77%) User Experience
7 1 (1.89%) Driving Licence
Operating Systems
1 53 (100.00%) Linux
2 24 (45.28%) Red Hat Enterprise Linux
2 24 (45.28%) Windows
3 21 (39.62%) Ubuntu
4 12 (22.64%) Windows Server
5 10 (18.87%) SUSE
6 6 (11.32%) Mac OS X
6 6 (11.32%) Unix
7 5 (9.43%) Windows 10
8 3 (5.66%) Debian
9 2 (3.77%) AIX
9 2 (3.77%) Android
9 2 (3.77%) Apple iOS
9 2 (3.77%) HPUX
Processes & Methodologies
1 31 (58.49%) Agile Software Development
2 30 (56.60%) DevOps
3 18 (33.96%) Test Automation
4 16 (30.19%) Software Engineering
5 15 (28.30%) Open Source
6 12 (22.64%) Computer Science
6 12 (22.64%) Data Science
7 10 (18.87%) Infrastructure Engineering
7 10 (18.87%) Open Source Development
7 10 (18.87%) Performance Analysis
7 10 (18.87%) Performance Tuning
7 10 (18.87%) SDLC
7 10 (18.87%) Time Management
8 9 (16.98%) Scrum
9 8 (15.09%) Migration
9 8 (15.09%) Server Building
10 7 (13.21%) Cybersecurity
10 7 (13.21%) Disaster Recovery
10 7 (13.21%) High Availability
11 6 (11.32%) Continuous Integration
Programming Languages
1 26 (49.06%) Python
2 19 (35.85%) C++
2 19 (35.85%) Java
3 18 (33.96%) Bash Shell
4 11 (20.75%) C
5 9 (16.98%) PHP
6 8 (15.09%) SQL
7 7 (13.21%) PowerShell
8 5 (9.43%) JavaScript
9 3 (5.66%) Ruby
10 2 (3.77%) Shell Script
11 1 (1.89%) C#
11 1 (1.89%) Perl
Qualifications
1 17 (32.08%) Degree
2 11 (20.75%) Computer Science Degree
3 5 (9.43%) MCSA
3 5 (9.43%) Microsoft Certification
3 5 (9.43%) RHCA
4 2 (3.77%) Cisco Certification
4 2 (3.77%) SC Cleared
4 2 (3.77%) Security Cleared
System Software
1 21 (39.62%) Docker
2 17 (32.08%) Virtual Machines
3 13 (24.53%) VMware ESXi
4 12 (22.64%) Active Directory
5 8 (15.09%) VMware Infrastructure
5 8 (15.09%) vSphere
6 7 (13.21%) NFS
6 7 (13.21%) Samba
7 5 (9.43%) pfSense
8 1 (1.89%) Ceph
8 1 (1.89%) Hyper-V
Systems Management
1 16 (30.19%) Ansible
2 13 (24.53%) Puppet
3 9 (16.98%) Nagios
4 7 (13.21%) Cacti
4 7 (13.21%) Galera Cluster
4 7 (13.21%) HAProxy
4 7 (13.21%) Microsoft Intune
4 7 (13.21%) Terraform
5 6 (11.32%) Kubernetes
6 3 (5.66%) Consul
6 3 (5.66%) Docker Swarm
6 3 (5.66%) Grafana
6 3 (5.66%) Graphite
6 3 (5.66%) Packer
6 3 (5.66%) Prometheus
7 2 (3.77%) AirWatch
7 2 (3.77%) Jamf Pro
8 1 (1.89%) cPanel
8 1 (1.89%) ZABBIX
Vendors
1 17 (32.08%) Red Hat
2 13 (24.53%) VMware
3 8 (15.09%) Microsoft
4 7 (13.21%) Cisco
4 7 (13.21%) Dell
4 7 (13.21%) HP
5 5 (9.43%) Aruba
5 5 (9.43%) CommVault
5 5 (9.43%) Meraki
5 5 (9.43%) WatchGuard
6 2 (3.77%) Arista
6 2 (3.77%) Juniper
6 2 (3.77%) Oracle
6 2 (3.77%) Palo Alto
6 2 (3.77%) Zscaler
7 1 (1.89%) Atlassian
7 1 (1.89%) Avaya
7 1 (1.89%) Mitel