Period
to 30 May 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 30 May 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East of England
6 months to
30 May 2020
Same period 2019 Same period 2018
Rank 190 190 312
Rank change year-on-year 0 +122 +5
Permanent jobs citing CentOS 17 101 55
As % of all permanent jobs advertised in the East of England 0.41% 1.29% 0.45%
As % of the Operating Systems category 1.60% 4.60% 1.59%
Number of salaries quoted 16 70 37
Median annual salary £53,750 £42,500 £55,000
Median salary % change year-on-year +26.47% -22.73% +22.22%
10th Percentile £33,125 £36,000 £23,750
90th Percentile £58,750 £62,750 £75,000
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 1,063 2,197 3,454
As % of all permanent IT jobs advertised in the East of England 25.47% 28.12% 27.95%
Number of salaries quoted 822 1,630 2,550
Median annual salary £42,500 £45,000 £45,000
Median salary % change year-on-year -5.56% - +8.43%
10th Percentile £25,750 £23,500 £24,975
90th Percentile £72,500 £65,000 £70,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

CentOS
Job Vacancy Trend in the East of England

Job postings citing CentOS as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing CentOS in the East of England over the 6 months to 30 May 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 30 May 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
Suffolk +13 7 £55,000 -
Hertfordshire +2 6 £50,000 +5.26% 3
Cambridgeshire +53 3 £34,141 -37.93% 3
Bedfordshire +4 1 £35,000 -6.67%
CentOS
England

For the 6 months to 30 May 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 17 (100.00%) Linux
2 13 (76.47%) Red Hat Enterprise Linux
2 13 (76.47%) Bash Shell
3 12 (70.59%) Ansible
4 11 (64.71%) Ubuntu
5 10 (58.82%) Docker
5 10 (58.82%) Puppet
5 10 (58.82%) Kubernetes
6 9 (52.94%) VirtualBox
6 9 (52.94%) Windows
7 8 (47.06%) C
7 8 (47.06%) Python
7 8 (47.06%) Red Hat
7 8 (47.06%) VMware
7 8 (47.06%) Infrastructure Engineering
8 7 (41.18%) Agile Software Development
8 7 (41.18%) Nagios
8 7 (41.18%) Microsoft
8 7 (41.18%) Jenkins
8 7 (41.18%) Analytical Skills
8 7 (41.18%) DV Cleared
8 7 (41.18%) Security Cleared
8 7 (41.18%) VMware Infrastructure
8 7 (41.18%) PowerShell
8 7 (41.18%) Test Automation
9 6 (35.29%) High Availability
9 6 (35.29%) Big Data
9 6 (35.29%) EMC
9 6 (35.29%) Legal
9 6 (35.29%) Task Automation

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 3 (17.65%) Elasticsearch
2 2 (11.76%) Confluence
3 1 (5.88%) Apache
3 1 (5.88%) Exchange Server 2013
3 1 (5.88%) nginx
Applications
1 1 (5.88%) Microsoft Office
Cloud Services
1 5 (29.41%) Azure
2 2 (11.76%) Office 365
3 1 (5.88%) Cloud Computing
Communications & Networking
1 1 (5.88%) Skype
1 1 (5.88%) VoIP
1 1 (5.88%) VSAT
Database & Business Intelligence
1 6 (35.29%) Big Data
2 5 (29.41%) MySQL
3 3 (17.65%) MariaDB
3 3 (17.65%) SQL Server
4 2 (11.76%) MongoDB
4 2 (11.76%) NoSQL
Development Applications
1 7 (41.18%) Jenkins
2 5 (29.41%) Atlassian Bamboo
2 5 (29.41%) Git (software)
3 4 (23.53%) GitLab
3 4 (23.53%) TeamCity
3 4 (23.53%) Travis CI
4 2 (11.76%) Appium
4 2 (11.76%) Eclipse
4 2 (11.76%) eggPlant
4 2 (11.76%) JIRA
4 2 (11.76%) JUnit
4 2 (11.76%) LoadRunner
4 2 (11.76%) Maven
4 2 (11.76%) Selenium
4 2 (11.76%) SoapUI
4 2 (11.76%) TestRail
4 2 (11.76%) Visual Studio
General
1 6 (35.29%) Legal
2 1 (5.88%) Finance
Job Titles
1 7 (41.18%) Infrastructure Engineer
2 5 (29.41%) DevOps Engineer
2 5 (29.41%) Platform Engineer
3 2 (11.76%) IT Engineer
3 2 (11.76%) Linux Engineer
3 2 (11.76%) Test Automation Engineer
3 2 (11.76%) Test Engineer
4 1 (5.88%) Administrator
4 1 (5.88%) AIX Administrator
4 1 (5.88%) IT Infrastructure Engineer
4 1 (5.88%) Junior
4 1 (5.88%) Junior Linux Engineer
4 1 (5.88%) Linux Infrastructure Engineer
4 1 (5.88%) Senior Infrastructure Engineer
4 1 (5.88%) Senior IT Engineer
4 1 (5.88%) Systems Administrator
4 1 (5.88%) Systems Engineer
4 1 (5.88%) Unix Administrator
4 1 (5.88%) Unix Engineer
4 1 (5.88%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 4 (23.53%) Jinja
2 3 (17.65%) Elastic Stack
3 2 (11.76%) .NET
3 2 (11.76%) .NET Framework
3 2 (11.76%) AngularJS
3 2 (11.76%) HTML
3 2 (11.76%) JSON
3 2 (11.76%) Web Services
3 2 (11.76%) XML
Miscellaneous
1 7 (41.18%) Analytical Skills
2 5 (29.41%) Enterprise Storage
3 1 (5.88%) Driving Licence
3 1 (5.88%) LPAR
3 1 (5.88%) Replication
3 1 (5.88%) Self-Motivation
Operating Systems
1 17 (100.00%) Linux
2 13 (76.47%) Red Hat Enterprise Linux
3 11 (64.71%) Ubuntu
4 9 (52.94%) Windows
5 5 (29.41%) Debian
5 5 (29.41%) Fedora
6 2 (11.76%) Unix
6 2 (11.76%) Windows Server
7 1 (5.88%) AIX
7 1 (5.88%) Mac OS X
7 1 (5.88%) SUSE
7 1 (5.88%) Windows Server 2012
7 1 (5.88%) Windows Server 2016
Processes & Methodologies
1 8 (47.06%) Infrastructure Engineering
2 7 (41.18%) Agile Software Development
2 7 (41.18%) Test Automation
3 6 (35.29%) High Availability
3 6 (35.29%) Task Automation
4 5 (29.41%) Acceptance Criteria
4 5 (29.41%) Configuration Management
4 5 (29.41%) DevOps
4 5 (29.41%) ITIL
4 5 (29.41%) Service Delivery
4 5 (29.41%) Service Management
4 5 (29.41%) V-Model
4 5 (29.41%) Waterfall
5 4 (23.53%) SDLC
6 2 (11.76%) SOA
6 2 (11.76%) Storage Management
7 1 (5.88%) Business Transformation
7 1 (5.88%) Capacity Management
7 1 (5.88%) Disaster Recovery
7 1 (5.88%) Stakeholder Management
Programming Languages
1 13 (76.47%) Bash Shell
2 8 (47.06%) C
2 8 (47.06%) Python
3 7 (41.18%) PowerShell
4 5 (29.41%) SQL
5 2 (11.76%) C#
5 2 (11.76%) C++
5 2 (11.76%) Java
5 2 (11.76%) JavaScript
5 2 (11.76%) PHP
5 2 (11.76%) VB
6 1 (5.88%) Shell Script
Qualifications
1 7 (41.18%) DV Cleared
1 7 (41.18%) Security Cleared
2 5 (29.41%) CCNA
2 5 (29.41%) Cisco Certification
2 5 (29.41%) CISSP
2 5 (29.41%) CompTIA Security+
2 5 (29.41%) GIAC
2 5 (29.41%) Linux+ Certification
2 5 (29.41%) MCSE
2 5 (29.41%) Microsoft Certification
2 5 (29.41%) Network+ Certification
2 5 (29.41%) SANS
2 5 (29.41%) SSCP
3 4 (23.53%) Degree
4 2 (11.76%) ISTQB
5 1 (5.88%) Computer Science Degree
5 1 (5.88%) DBS Check
5 1 (5.88%) LPIC
Quality Assurance & Compliance
1 1 (5.88%) QA
System Software
1 10 (58.82%) Docker
2 9 (52.94%) VirtualBox
3 7 (41.18%) VMware Infrastructure
4 5 (29.41%) Hyper-V
4 5 (29.41%) NFS
4 5 (29.41%) Samba
4 5 (29.41%) VMware ESXi
4 5 (29.41%) Xen
5 2 (11.76%) Active Directory
6 1 (5.88%) PowerHA
Systems Management
1 12 (70.59%) Ansible
2 10 (58.82%) Kubernetes
2 10 (58.82%) Puppet
3 7 (41.18%) Nagios
4 5 (29.41%) Docker Swarm
4 5 (29.41%) OpenNMS
4 5 (29.41%) vCenter Server
4 5 (29.41%) ZABBIX
5 3 (17.65%) Kibana
5 3 (17.65%) logstash
5 3 (17.65%) Opscode Chef
6 2 (11.76%) HP ALM
6 2 (11.76%) Tivoli
6 2 (11.76%) Tivoli Storage Manager
7 1 (5.88%) EMC NetWorker
7 1 (5.88%) HP Data Protector
7 1 (5.88%) Linux-HA
7 1 (5.88%) SCCM
7 1 (5.88%) SCOM
Vendors
1 8 (47.06%) Red Hat
1 8 (47.06%) VMware
2 7 (41.18%) Microsoft
3 6 (35.29%) EMC
4 5 (29.41%) Cloudera
4 5 (29.41%) Dell
4 5 (29.41%) Hortonworks
4 5 (29.41%) NetApp
4 5 (29.41%) SolarWinds
5 3 (17.65%) HP
6 2 (11.76%) Atlassian
6 2 (11.76%) Veeam
7 1 (5.88%) CA
7 1 (5.88%) Cisco
7 1 (5.88%) Oracle