Period
to 24 January 2020

The following table provides summary statistics for permanent job vacancies advertised in the East 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 24 January 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East of England
6 months to
24 Jan 2020
Same period 2019 Same period 2018
Rank 219 254 310
Rank change year-on-year +35 +56 0
Permanent jobs citing CentOS 34 69 44
As % of all permanent IT jobs advertised in the East of England 0.56% 0.73% 0.37%
As % of the Operating Systems category 2.21% 2.69% 1.36%
Number of salaries quoted 22 58 34
East of England median annual salary £46,250 £42,500 £60,000
Median salary % change year-on-year +8.82% -29.17% +26.32%
10th Percentile £31,250 £35,500 £33,625
90th Percentile £59,750 £72,000 £80,625
England median annual salary £55,000 £55,000 £50,000
% change year-on-year - +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 East of England with a requirement for operating system skills.

All Operating Systems
East of England
Permanent vacancies with a requirement for operating system skills 1,541 2,564 3,238
As % of all permanent IT jobs advertised in the East of England 25.26% 27.20% 27.01%
Number of salaries quoted 1,090 1,880 2,578
East of England median annual salary £43,500 £45,000 £45,000
Median salary % change year-on-year -3.33% - +5.88%
10th Percentile £25,000 £25,000 £23,500
90th Percentile £72,500 £68,750 £68,750
England median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% -

CentOS
Job Vacancy Trend in the East of England

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

Job vacancy trend for CentOS in the East of England

CentOS
Salary Trend in the East of England

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

Salary trend for CentOS in the East of England

CentOS
Salary Histogram in the East of England

The salary distribution of IT jobs citing CentOS in the East of England over the 6 months to 24 January 2020.

Salary histogram for CentOS in the East of England

CentOS
Job Locations in the East 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 East of England region over the 6 months to 24 January 2020. 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
Hertfordshire +56 14 £32,500 -50.00% 1
Bedfordshire -15 9 £45,000 +12.50%
Cambridgeshire +39 6 £37,500 -26.47% 4
Suffolk +8 4 £55,000 - 2
Norfolk -8 1 £35,000 -27.08%
CentOS
England

For the 6 months to 24 January 2020, 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 East of England region with a requirement for CentOS.

1 34 (100.00%) Linux
2 21 (61.76%) Ansible
3 19 (55.88%) Python
4 18 (52.94%) Puppet
5 16 (47.06%) nginx
5 16 (47.06%) Bash Shell
6 15 (44.12%) VMware
7 14 (41.18%) Red Hat
8 13 (38.24%) Windows
8 13 (38.24%) Git (software)
9 12 (35.29%) SolarWinds
9 12 (35.29%) HAProxy
9 12 (35.29%) Analytical Skills
9 12 (35.29%) Configuration Management
10 11 (32.35%) TCP/IP
10 11 (32.35%) Elastic Stack
10 11 (32.35%) Jenkins
11 10 (29.41%) PHP
11 10 (29.41%) Nagios
11 10 (29.41%) Agile Software Development
11 10 (29.41%) Ruby
11 10 (29.41%) Continuous Integration
12 9 (26.47%) Google
12 9 (26.47%) Microsoft
12 9 (26.47%) Apache
12 9 (26.47%) DevOps
12 9 (26.47%) Kibana
12 9 (26.47%) logstash
12 9 (26.47%) GCP
13 8 (23.53%) Kubernetes

CentOS
Co-occurring IT Skills in the East 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 16 (47.06%) nginx
2 9 (26.47%) Apache
3 6 (17.65%) Elasticsearch
4 4 (11.76%) SharePoint
5 3 (8.82%) OpenStack
6 1 (2.94%) Exchange Server 2013
6 1 (2.94%) Tomcat
6 1 (2.94%) WebSphere
6 1 (2.94%) WordPress
Applications
1 5 (14.71%) Microsoft Office
2 4 (11.76%) Microsoft Excel
2 4 (11.76%) Microsoft PowerPoint
Cloud Services
1 9 (26.47%) GCP
2 7 (20.59%) Office 365
3 6 (17.65%) Stackdriver
4 5 (14.71%) Azure
5 4 (11.76%) Dynamics 365
6 2 (5.88%) SaaS
Communications & Networking
1 11 (32.35%) TCP/IP
2 8 (23.53%) DNS
2 8 (23.53%) SSL
3 6 (17.65%) Firewall
4 5 (14.71%) HTTP
4 5 (14.71%) Wi-Fi
5 4 (11.76%) 2.5G
5 4 (11.76%) 2G
5 4 (11.76%) 3G
5 4 (11.76%) 4G
5 4 (11.76%) 5G
6 3 (8.82%) HTTPS
7 2 (5.88%) Cisco Nexus
7 2 (5.88%) DHCP
7 2 (5.88%) VRRP
8 1 (2.94%) IPv4
8 1 (2.94%) IPv6
8 1 (2.94%) SAN
8 1 (2.94%) VoIP
8 1 (2.94%) VSAT
Database & Business Intelligence
1 7 (20.59%) Big Data
2 6 (17.65%) MongoDB
3 4 (11.76%) FileMaker
4 2 (5.88%) Azure SQL Database
4 2 (5.88%) PostgreSQL
4 2 (5.88%) Relational Database
5 1 (2.94%) DB2
5 1 (2.94%) MariaDB
5 1 (2.94%) MySQL
5 1 (2.94%) Redis
5 1 (2.94%) SQL Server
Development Applications
1 13 (38.24%) Git (software)
2 11 (32.35%) Jenkins
3 7 (20.59%) Artifactory
3 7 (20.59%) Sonatype Nexus
4 1 (2.94%) Mercurial
General
1 4 (11.76%) Legal
2 1 (2.94%) Finance
2 1 (2.94%) Manufacturing
Job Titles
1 10 (29.41%) Linux Engineer
2 8 (23.53%) DevOps Engineer
3 7 (20.59%) Infrastructure Engineer
4 4 (11.76%) Developer
4 4 (11.76%) IT Support
4 4 (11.76%) IT Support Specialist
4 4 (11.76%) Platform Engineer
4 4 (11.76%) Python Developer
4 4 (11.76%) Support Specialist
5 3 (8.82%) Senior DevOps
5 3 (8.82%) Senior DevOps Engineer
6 2 (5.88%) Administrator
6 2 (5.88%) IT Engineer
6 2 (5.88%) Linux Infrastructure Engineer
6 2 (5.88%) Linux Systems Administrator
6 2 (5.88%) Systems Administrator
7 1 (2.94%) Infrastructure Specialist
7 1 (2.94%) Senior Infrastructure Engineer
7 1 (2.94%) Systems Engineer
7 1 (2.94%) Unix Administrator
Libraries, Frameworks & Software Standards
1 11 (32.35%) Elastic Stack
2 4 (11.76%) LAMP
3 3 (8.82%) Node.js
4 2 (5.88%) Django
5 1 (2.94%) AngularJS
5 1 (2.94%) CSS
5 1 (2.94%) CSS3
5 1 (2.94%) Flask
5 1 (2.94%) Hibernate
5 1 (2.94%) HTML
5 1 (2.94%) HTML5
5 1 (2.94%) LAPP Stack
5 1 (2.94%) OAuth
5 1 (2.94%) OpenID
5 1 (2.94%) pytest
5 1 (2.94%) React
5 1 (2.94%) Spring
5 1 (2.94%) Spring Boot
5 1 (2.94%) SQLAlchemy
5 1 (2.94%) Vue.js
Miscellaneous
1 12 (35.29%) Analytical Skills
2 4 (11.76%) Enterprise Storage
2 4 (11.76%) Management Information System
2 4 (11.76%) PKI
2 4 (11.76%) Replication
3 3 (8.82%) Enterprise Cloud
4 1 (2.94%) Data Centre
4 1 (2.94%) Driving Licence
4 1 (2.94%) Social Media
Operating Systems
1 34 (100.00%) Linux
2 13 (38.24%) Windows
3 7 (20.59%) Red Hat Enterprise Linux
3 7 (20.59%) Ubuntu
4 5 (14.71%) Fedora
5 4 (11.76%) Solaris
6 3 (8.82%) Debian
7 2 (5.88%) Unix
7 2 (5.88%) Windows Server
8 1 (2.94%) AIX
8 1 (2.94%) Android
8 1 (2.94%) Apple iOS
8 1 (2.94%) Mac OS
8 1 (2.94%) Mac OS X
8 1 (2.94%) Windows Server 2012
Processes & Methodologies
1 12 (35.29%) Configuration Management
2 10 (29.41%) Agile Software Development
2 10 (29.41%) Continuous Integration
3 9 (26.47%) DevOps
4 8 (23.53%) Load Balancing
4 8 (23.53%) Performance Tuning
5 7 (20.59%) Infrastructure Engineering
6 6 (17.65%) Microservices
6 6 (17.65%) Performance Measurement
6 6 (17.65%) Release Automation
7 5 (14.71%) High Availability
7 5 (14.71%) ITIL
7 5 (14.71%) SDLC
8 4 (11.76%) Analytics
8 4 (11.76%) Capacity Planning
8 4 (11.76%) ISMS
8 4 (11.76%) Protective Monitoring
8 4 (11.76%) Software Engineering
8 4 (11.76%) Test Automation
8 4 (11.76%) Waterfall
Programming Languages
1 19 (55.88%) Python
2 16 (47.06%) Bash Shell
3 10 (29.41%) PHP
3 10 (29.41%) Ruby
4 6 (17.65%) Perl
4 6 (17.65%) PowerShell
5 5 (14.71%) PHP 5
5 5 (14.71%) PHP 7
5 5 (14.71%) SQL
6 4 (11.76%) C
7 2 (5.88%) Java
8 1 (2.94%) Go
8 1 (2.94%) JavaScript
8 1 (2.94%) Shell Script
Qualifications
1 8 (23.53%) Microsoft Certification
2 6 (17.65%) CCNA
2 6 (17.65%) Cisco Certification
3 4 (11.76%) CISSP
3 4 (11.76%) CompTIA Security+
3 4 (11.76%) DV Cleared
3 4 (11.76%) GIAC
3 4 (11.76%) Linux+ Certification
3 4 (11.76%) MCSE
3 4 (11.76%) Network+ Certification
3 4 (11.76%) SANS
3 4 (11.76%) Security Cleared
3 4 (11.76%) SSCP
4 3 (8.82%) Degree
5 1 (2.94%) Computer Science Degree
5 1 (2.94%) DBS Check
5 1 (2.94%) Master's Degree
Quality Assurance & Compliance
1 6 (17.65%) ISO/IEC 27001
System Software
1 7 (20.59%) Docker
1 7 (20.59%) VMware Infrastructure
2 4 (11.76%) NFS
2 4 (11.76%) Samba
2 4 (11.76%) VirtualBox
2 4 (11.76%) VMware ESXi
2 4 (11.76%) vSphere
2 4 (11.76%) Xen
3 2 (5.88%) Active Directory
4 1 (2.94%) Hyper-V
4 1 (2.94%) Microsoft Virtual Server
4 1 (2.94%) Shibboleth
4 1 (2.94%) Virtual Machines
4 1 (2.94%) Virtual Servers
Systems Management
1 21 (61.76%) Ansible
2 18 (52.94%) Puppet
3 12 (35.29%) HAProxy
4 10 (29.41%) Nagios
5 9 (26.47%) Kibana
5 9 (26.47%) logstash
6 8 (23.53%) Kubernetes
7 7 (20.59%) Opscode Chef
8 5 (14.71%) ZABBIX
9 4 (11.76%) Docker Swarm
9 4 (11.76%) OpenNMS
9 4 (11.76%) Prometheus
9 4 (11.76%) Terraform
9 4 (11.76%) vCenter Server
9 4 (11.76%) yum
10 2 (5.88%) SCCM
10 2 (5.88%) Tivoli
11 1 (2.94%) HP Data Protector
11 1 (2.94%) SCOM
11 1 (2.94%) Tivoli Storage Manager
Vendors
1 15 (44.12%) VMware
2 14 (41.18%) Red Hat
3 12 (35.29%) SolarWinds
4 9 (26.47%) Google
4 9 (26.47%) Microsoft
5 6 (17.65%) New Relic
6 5 (14.71%) Cisco
6 5 (14.71%) Dell
7 4 (11.76%) Cloudera
7 4 (11.76%) EMC
7 4 (11.76%) Hortonworks
7 4 (11.76%) NetApp
7 4 (11.76%) Percona
8 3 (8.82%) F5
8 3 (8.82%) Splunk
9 2 (5.88%) Juniper
9 2 (5.88%) Sybase
9 2 (5.88%) Veeam
10 1 (2.94%) HP
10 1 (2.94%) Oracle