Period
to 15 October 2019

The following table provides summary statistics for permanent job vacancies advertised in the North of England 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 15 October 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > North of England
6 months to
15 Oct 2019
Same period 2018 Same period 2017
Rank 345 337 334
Rank change year-on-year -8 -3 +29
Permanent jobs citing CentOS 108 132 159
As % of all permanent IT jobs advertised in the North of England 0.59% 0.61% 0.68%
As % of the Operating Systems category 2.72% 2.85% 2.98%
Number of salaries quoted 68 96 128
North of England median annual salary £40,000 £42,500 £45,000
Median salary % change year-on-year -5.88% -5.56% +12.50%
10th Percentile £29,375 £27,500 £30,000
90th Percentile £58,750 £59,375 £62,875
England median annual salary £50,000 £55,000 £50,000
% change year-on-year -9.09% +10.00% -

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 of England with a requirement for operating system skills.

All Operating Systems
North of England
Permanent vacancies with a requirement for operating system skills 3,965 4,630 5,341
As % of all permanent IT jobs advertised in the North of England 21.60% 21.55% 22.83%
Number of salaries quoted 2,904 3,767 4,380
North of England median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% -
10th Percentile £22,500 £21,250 £21,250
90th Percentile £63,750 £62,500 £57,500
England median annual salary £46,000 £47,500 £45,000
% change year-on-year -3.16% +5.56% -

CentOS
Job Vacancy Trend in the North of England

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

Job vacancy trend for CentOS in the North of England

CentOS
Salary Trend in the North of England

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

Salary trend for CentOS in the North of England

CentOS
Salary Histogram in the North of England

The salary distribution of IT jobs citing CentOS in the North of England over the 6 months to 15 October 2019.

Salary histogram for CentOS in the North of England

CentOS
Job Locations in the North of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the North of England region over the 6 months to 15 October 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
North West +27 71 £40,000 -12.33% 9
North East +37 22 £50,000 +14.29% 5
Yorkshire -32 15 £45,000 +28.57% 7
CentOS
England

For the 6 months to 15 October 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 of England region with a requirement for CentOS.

1 108 (100.00%) Linux
2 64 (59.26%) Red Hat Enterprise Linux
3 48 (44.44%) DevOps
4 47 (43.52%) AWS
5 46 (42.59%) Azure
6 45 (41.67%) Ubuntu
6 45 (41.67%) Windows
7 43 (39.81%) Red Hat
8 42 (38.89%) Python
9 40 (37.04%) Jenkins
10 38 (35.19%) Ansible
11 37 (34.26%) Agile Software Development
12 35 (32.41%) Degree
13 32 (29.63%) Software Engineering
13 32 (29.63%) Git (software)
13 32 (29.63%) Windows Server
14 30 (27.78%) VMware
15 29 (26.85%) Open Source
16 28 (25.93%) Docker
16 28 (25.93%) C++
16 28 (25.93%) Java
17 27 (25.00%) JIRA
18 26 (24.07%) Test Automation
19 24 (22.22%) Cisco
20 23 (21.30%) Microsoft
20 23 (21.30%) Computer Science
21 21 (19.44%) Firewall
21 21 (19.44%) Virtual Machines
22 20 (18.52%) Self-Motivation
22 20 (18.52%) C

CentOS
Co-occurring IT Skills in the North of England 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 17 (15.74%) SharePoint
2 9 (8.33%) Confluence
3 8 (7.41%) Apache
4 6 (5.56%) nginx
5 4 (3.70%) WordPress
6 1 (0.93%) IIS
6 1 (0.93%) MS Exchange
6 1 (0.93%) Skype for Business
6 1 (0.93%) Tomcat
Applications
1 4 (3.70%) Microsoft Office
Cloud Services
1 47 (43.52%) AWS
2 46 (42.59%) Azure
3 20 (18.52%) GCP
4 16 (14.81%) Office 365
5 9 (8.33%) GitHub
6 8 (7.41%) Cloud Computing
7 2 (1.85%) IaaS
8 1 (0.93%) Amazon EC2
8 1 (0.93%) Amazon ECS
8 1 (0.93%) Amazon EKS
8 1 (0.93%) Amazon ELB
8 1 (0.93%) Amazon S3
8 1 (0.93%) PaaS
8 1 (0.93%) Route 53
8 1 (0.93%) SaaS
8 1 (0.93%) Slack
8 1 (0.93%) Trello
8 1 (0.93%) Virtual Private Cloud
Communications & Networking
1 21 (19.44%) Firewall
2 19 (17.59%) DNS
2 19 (17.59%) VLAN
3 7 (6.48%) BGP
3 7 (6.48%) Cisco ASA
3 7 (6.48%) Cisco Firepower
3 7 (6.48%) HSRP
3 7 (6.48%) IPv6
3 7 (6.48%) MPLS
3 7 (6.48%) OSPF
3 7 (6.48%) VPLS
3 7 (6.48%) VRRP
3 7 (6.48%) VXLAN
4 5 (4.63%) LAN
5 4 (3.70%) DMZ
5 4 (3.70%) Network Security
5 4 (3.70%) SSH
5 4 (3.70%) WAN
5 4 (3.70%) Wi-Fi
6 2 (1.85%) Intrusion Detection
Database & Business Intelligence
1 11 (10.19%) MySQL
2 7 (6.48%) NoSQL
3 2 (1.85%) MongoDB
3 2 (1.85%) Relational Database
4 1 (0.93%) Apache Cassandra
4 1 (0.93%) Ingres
4 1 (0.93%) PostgreSQL
4 1 (0.93%) RDBMS
4 1 (0.93%) SQL Server
Development Applications
1 40 (37.04%) Jenkins
2 32 (29.63%) Git (software)
3 27 (25.00%) JIRA
4 18 (16.67%) Gerrit
5 14 (12.96%) Atlassian Bamboo
6 9 (8.33%) GitLab
7 8 (7.41%) Selenium
8 7 (6.48%) Bitbucket
8 7 (6.48%) Bitbucket Server
8 7 (6.48%) JUnit
9 2 (1.85%) Sonatype Nexus
10 1 (0.93%) SonarQube
General
1 12 (11.11%) Finance
2 9 (8.33%) Public Sector
3 3 (2.78%) Legal
4 2 (1.85%) Telecoms
5 1 (0.93%) Banking
5 1 (0.93%) Law
Job Titles
1 27 (25.00%) Linux Engineer
2 24 (22.22%) DevOps Engineer
3 20 (18.52%) Systems Engineer
4 19 (17.59%) Administrator
4 19 (17.59%) Software Engineer
5 18 (16.67%) Linux Administrator
5 18 (16.67%) Linux Systems Administrator
5 18 (16.67%) Systems Administrator
6 16 (14.81%) Linux Systems Engineer
7 14 (12.96%) Senior Software Engineer
8 13 (12.04%) Compiler Engineer
8 13 (12.04%) Senior Compiler Engineer
9 12 (11.11%) Network Systems Engineer
10 8 (7.41%) AWS Engineer
10 8 (7.41%) Linux DevOps Engineer
10 8 (7.41%) Linux/Unix DevOps
10 8 (7.41%) Ubuntu Administrator
10 8 (7.41%) Ubuntu Engineer
10 8 (7.41%) Unix Linux Engineer
10 8 (7.41%) Unix Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 18 (16.67%) OpenJDK
2 9 (8.33%) Java EE
3 8 (7.41%) Elastic Stack
4 6 (5.56%) Spring
4 6 (5.56%) Web Services
5 5 (4.63%) CSS
5 5 (4.63%) HTML
5 5 (4.63%) jQuery
5 5 (4.63%) LAMP
5 5 (4.63%) LEMP Stack
5 5 (4.63%) Node.js
6 4 (3.70%) AngularJS
6 4 (3.70%) JSON
6 4 (3.70%) Laravel
6 4 (3.70%) LESS
6 4 (3.70%) REST
6 4 (3.70%) Sass
6 4 (3.70%) SOAP
6 4 (3.70%) Vue.js
6 4 (3.70%) XML
Miscellaneous
1 20 (18.52%) Self-Motivation
2 18 (16.67%) Smartphone
2 18 (16.67%) Virtual Team
3 15 (13.89%) Public Cloud
4 12 (11.11%) Analytical Skills
5 8 (7.41%) Data Centre
6 7 (6.48%) Hybrid Cloud
6 7 (6.48%) Wiki
7 4 (3.70%) Management Information System
7 4 (3.70%) Replication
8 2 (1.85%) User Experience
9 1 (0.93%) Cloud Native
9 1 (0.93%) Driving Licence
9 1 (0.93%) Video Conferencing
Operating Systems
1 108 (100.00%) Linux
2 64 (59.26%) Red Hat Enterprise Linux
3 45 (41.67%) Ubuntu
3 45 (41.67%) Windows
4 32 (29.63%) Windows Server
5 19 (17.59%) Unix
6 18 (16.67%) SUSE
7 13 (12.04%) Mac OS X
7 13 (12.04%) Solaris
8 12 (11.11%) Windows 10
9 11 (10.19%) Debian
10 3 (2.78%) Windows Server 2012
11 2 (1.85%) AIX
11 2 (1.85%) Android
11 2 (1.85%) Apple iOS
11 2 (1.85%) HPUX
11 2 (1.85%) Windows Server 2008
Processes & Methodologies
1 48 (44.44%) DevOps
2 37 (34.26%) Agile Software Development
3 32 (29.63%) Software Engineering
4 29 (26.85%) Open Source
5 26 (24.07%) Test Automation
6 23 (21.30%) Computer Science
7 19 (17.59%) SDLC
8 18 (16.67%) Open Source Development
8 18 (16.67%) Performance Analysis
8 18 (16.67%) Performance Tuning
8 18 (16.67%) Time Management
9 14 (12.96%) Data Protection
9 14 (12.96%) Disaster Recovery
10 13 (12.04%) Continuous Integration
11 12 (11.11%) Artificial Intelligence
11 12 (11.11%) Data Science
11 12 (11.11%) ITIL
11 12 (11.11%) Project Delivery
11 12 (11.11%) Task Automation
12 10 (9.26%) Microservices
Programming Languages
1 42 (38.89%) Python
2 28 (25.93%) C++
2 28 (25.93%) Java
3 20 (18.52%) Bash Shell
3 20 (18.52%) C
4 15 (13.89%) PowerShell
5 13 (12.04%) SQL
6 9 (8.33%) PHP
7 8 (7.41%) Ruby
8 5 (4.63%) JavaScript
9 2 (1.85%) Shell Script
10 1 (0.93%) C#
10 1 (0.93%) Perl
Qualifications
1 35 (32.41%) Degree
2 19 (17.59%) Computer Science Degree
3 12 (11.11%) MCSA
3 12 (11.11%) Microsoft Certification
3 12 (11.11%) RHCA
4 8 (7.41%) Cisco Certification
5 7 (6.48%) SC Cleared
5 7 (6.48%) Security Cleared
6 1 (0.93%) (ISC)2 CCSP
6 1 (0.93%) CCSP
6 1 (0.93%) CEH
6 1 (0.93%) CISSP
6 1 (0.93%) GSEC
Quality Assurance & Compliance
1 4 (3.70%) ISO/IEC 27001
2 3 (2.78%) PCI DSS
2 3 (2.78%) QA
3 1 (0.93%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 28 (25.93%) Docker
2 21 (19.44%) Virtual Machines
3 17 (15.74%) VMware ESXi
4 14 (12.96%) Active Directory
5 12 (11.11%) pfSense
6 10 (9.26%) VMware Infrastructure
7 7 (6.48%) Hyper-V
8 3 (2.78%) vSphere
9 2 (1.85%) XenApp
Systems Management
1 38 (35.19%) Ansible
2 19 (17.59%) Kubernetes
3 16 (14.81%) Puppet
4 15 (13.89%) Terraform
5 14 (12.96%) Microsoft Intune
6 8 (7.41%) Docker Swarm
6 8 (7.41%) Prometheus
7 7 (6.48%) Consul
7 7 (6.48%) Grafana
7 7 (6.48%) Graphite
7 7 (6.48%) Packer
8 6 (5.56%) ZABBIX
9 4 (3.70%) Backup Exec
9 4 (3.70%) Opscode Chef
10 3 (2.78%) AirWatch
10 3 (2.78%) Oracle Enterprise Manager
10 3 (2.78%) Red Hat Spacewalk
11 2 (1.85%) FortiGate
11 2 (1.85%) Jamf Pro
11 2 (1.85%) Single Sign-On
Vendors
1 43 (39.81%) Red Hat
2 30 (27.78%) VMware
3 24 (22.22%) Cisco
4 23 (21.30%) Microsoft
5 19 (17.59%) Dell
6 16 (14.81%) Meraki
7 15 (13.89%) HP
8 12 (11.11%) Aruba
8 12 (11.11%) CommVault
8 12 (11.11%) WatchGuard
9 8 (7.41%) Juniper
10 7 (6.48%) Arista
11 5 (4.63%) Oracle
11 5 (4.63%) Veeam
12 4 (3.70%) ESET
12 4 (3.70%) SonicWALL
13 3 (2.78%) Citrix
13 3 (2.78%) Fortinet
13 3 (2.78%) Palo Alto
14 2 (1.85%) McAfee