Period
to 30 October 2020

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

CentOS Linux
England > South East
6 months to
30 Oct 2020
Same period 2019 Same period 2018
Rank 244 343 340
Rank change year-on-year +99 -3 -93
Permanent jobs citing CentOS 50 157 210
As % of all permanent jobs advertised in the South East 0.61% 0.62% 0.72%
As % of the Operating Systems category 2.53% 2.42% 2.88%
Number of salaries quoted 37 155 196
Median annual salary £50,000 £50,000 £52,500
Median salary % change year-on-year - -4.76% +10.53%
10th Percentile £35,250 £30,000 £30,000
90th Percentile £59,850 £67,500 £74,000
England median annual salary £52,500 £50,000 £55,000
% change year-on-year +5.00% -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 South East with a requirement for operating system skills.

All Operating Systems
South East
Permanent vacancies with a requirement for operating system skills 1,974 6,489 7,290
As % of all permanent IT jobs advertised in the South East 24.09% 25.60% 25.09%
Number of salaries quoted 1,599 5,381 6,003
Median annual salary £47,500 £42,500 £42,500
Median salary % change year-on-year +11.76% - +4.94%
10th Percentile £26,250 £24,250 £23,750
90th Percentile £68,750 £68,750 £67,500
England median annual salary £50,000 £45,591 £47,500
% change year-on-year +9.67% -4.02% +5.56%

CentOS
Job Vacancy Trend in the South East

Job postings citing CentOS as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for CentOS in the South East

CentOS
Salary Trend in the South East

3-month moving average salary quoted in jobs citing CentOS in the South East.

Salary trend for CentOS in the South East

CentOS
Salary Histogram in the South East

Salary distribution for jobs citing CentOS in the South East over the 6 months to 30 October 2020.

Salary histogram for CentOS in the South East

CentOS
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the South East region over the 6 months to 30 October 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
Hampshire +91 31 £53,500 +12.63% 12
Thames Valley +110 9 £47,500 - 1
Berkshire +93 9 £47,500 +5.56% 1
Surrey +83 5 £42,500 -29.17% 1
West Sussex +27 4 £27,500 -56.00% 2
Kent +49 1 £50,000 +35.14% 3
CentOS
England

For the 6 months to 30 October 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 South East region with a requirement for CentOS.

1 50 (100.00%) Linux
2 21 (42.00%) Python
2 21 (42.00%) Ubuntu
3 20 (40.00%) DevOps
4 19 (38.00%) Red Hat
4 19 (38.00%) JavaScript
5 17 (34.00%) MySQL
6 16 (32.00%) VMware
7 15 (30.00%) Web Development
7 15 (30.00%) HTML
7 15 (30.00%) AWS
8 14 (28.00%) Ansible
8 14 (28.00%) PostgreSQL
9 13 (26.00%) Agile Software Development
9 13 (26.00%) VMware Infrastructure
9 13 (26.00%) Windows
9 13 (26.00%) Microsoft
9 13 (26.00%) Windows Server 2012
10 12 (24.00%) vSphere
10 12 (24.00%) C
11 11 (22.00%) Security Cleared
11 11 (22.00%) Docker
11 11 (22.00%) Terraform
12 10 (20.00%) Jenkins
12 10 (20.00%) Git (software)
12 10 (20.00%) SC Cleared
13 9 (18.00%) SCCM
13 9 (18.00%) Django
13 9 (18.00%) TDD
13 9 (18.00%) Migration

CentOS
Co-occurring IT Skills in the South East 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 6 (12.00%) Apache
1 6 (12.00%) Confluence
1 6 (12.00%) Skype for Business
2 4 (8.00%) OpenStack
3 1 (2.00%) MS Exchange
Cloud Services
1 15 (30.00%) AWS
2 8 (16.00%) Azure
3 6 (12.00%) GCP
4 4 (8.00%) IaaS
5 3 (6.00%) Amazon EC2
5 3 (6.00%) Amazon S3
5 3 (6.00%) Virtual Private Cloud
6 1 (2.00%) Amazon EKS
6 1 (2.00%) GitHub
6 1 (2.00%) MinIO
6 1 (2.00%) SaaS
Communications & Networking
1 7 (14.00%) DNS
2 6 (12.00%) Cisco Firepower
2 6 (12.00%) DHCP
2 6 (12.00%) Skype
3 2 (4.00%) Cisco ISE
3 2 (4.00%) Firewall
3 2 (4.00%) Junos
3 2 (4.00%) LAN
3 2 (4.00%) Wireless
4 1 (2.00%) CDMA
4 1 (2.00%) DKIM
4 1 (2.00%) DMARC
4 1 (2.00%) FTP
4 1 (2.00%) GSM
4 1 (2.00%) HTTP
4 1 (2.00%) LTE
4 1 (2.00%) RTP
4 1 (2.00%) UMTS
4 1 (2.00%) VoIP
4 1 (2.00%) VSAN
Database & Business Intelligence
1 17 (34.00%) MySQL
2 14 (28.00%) PostgreSQL
3 3 (6.00%) SQL Server
3 3 (6.00%) SQL Server 2014
4 2 (4.00%) MariaDB
4 2 (4.00%) Relational Database
5 1 (2.00%) Big Data
5 1 (2.00%) MongoDB
5 1 (2.00%) NoSQL
5 1 (2.00%) RDBMS
Development Applications
1 10 (20.00%) Git (software)
1 10 (20.00%) Jenkins
2 6 (12.00%) JIRA
3 3 (6.00%) GitLab
4 1 (2.00%) Artifactory
4 1 (2.00%) Maven
4 1 (2.00%) Subversion
4 1 (2.00%) TeamCity
General
1 6 (12.00%) Marketing
2 4 (8.00%) Banking
3 2 (4.00%) Aerospace
4 1 (2.00%) Military
Job Titles
1 20 (40.00%) Developer
2 13 (26.00%) Python Developer
3 12 (24.00%) DevOps Engineer
3 12 (24.00%) Linux Engineer
4 8 (16.00%) Full Stack Developer
4 8 (16.00%) Linux DevOps Engineer
4 8 (16.00%) Linux/Unix DevOps
5 6 (12.00%) PHP Developer
6 5 (10.00%) Platform Engineer
6 5 (10.00%) Senior Developer
6 5 (10.00%) Senior PHP Developer
7 4 (8.00%) Cloud Engineer
7 4 (8.00%) Linux Developer
8 3 (6.00%) AWS DevOps
8 3 (6.00%) AWS DevOps Engineer
8 3 (6.00%) AWS Engineer
8 3 (6.00%) Junior DevOps
8 3 (6.00%) Junior DevOps Engineer
8 3 (6.00%) Junior Linux Engineer
8 3 (6.00%) Linux Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 15 (30.00%) HTML
2 9 (18.00%) Django
2 9 (18.00%) Vue.js
3 6 (12.00%) CakePHP
3 6 (12.00%) CSS
3 6 (12.00%) jQuery
3 6 (12.00%) LAMP
3 6 (12.00%) Laravel
3 6 (12.00%) Twitter Bootstrap
3 6 (12.00%) Web Services
4 4 (8.00%) Apache Flex
5 1 (2.00%) Elastic Stack
5 1 (2.00%) GStreamer
5 1 (2.00%) Node.js
5 1 (2.00%) OAuth
5 1 (2.00%) SAML
5 1 (2.00%) Spring
5 1 (2.00%) STL
Miscellaneous
1 5 (10.00%) Data Centre
1 5 (10.00%) Public Cloud
2 4 (8.00%) Clustering
2 4 (8.00%) Cyberattack
2 4 (8.00%) PKI
3 3 (6.00%) PMI
3 3 (6.00%) Replication
4 2 (4.00%) Self-Motivation
5 1 (2.00%) Analytical Skills
5 1 (2.00%) Fat Client
5 1 (2.00%) Linux Command Line
5 1 (2.00%) Thin Client
5 1 (2.00%) Video\Live Streaming
Operating Systems
1 50 (100.00%) Linux
2 21 (42.00%) Ubuntu
3 13 (26.00%) Windows
3 13 (26.00%) Windows Server 2012
4 8 (16.00%) Windows 7
5 6 (12.00%) Windows Server 2008
5 6 (12.00%) Windows Server 2016
6 5 (10.00%) Red Hat Enterprise Linux
6 5 (10.00%) Windows 10
7 3 (6.00%) Windows Server
8 1 (2.00%) Debian
8 1 (2.00%) Unix
8 1 (2.00%) VMS
Processes & Methodologies
1 20 (40.00%) DevOps
2 15 (30.00%) Web Development
3 13 (26.00%) Agile Software Development
4 9 (18.00%) Decision-Making
4 9 (18.00%) Migration
4 9 (18.00%) TDD
5 8 (16.00%) Problem-Solving
6 7 (14.00%) Cybersecurity
6 7 (14.00%) OO
7 6 (12.00%) Customer Engagement
7 6 (12.00%) MVC
7 6 (12.00%) OO PHP
7 6 (12.00%) Open Source
7 6 (12.00%) Software Engineering
8 5 (10.00%) Application Packaging
8 5 (10.00%) OOP
9 4 (8.00%) Data Privacy
9 4 (8.00%) Infrastructure as Code
9 4 (8.00%) Root Cause Analysis
9 4 (8.00%) Scaled Agile Framework
Programming Languages
1 21 (42.00%) Python
2 19 (38.00%) JavaScript
3 12 (24.00%) C
4 8 (16.00%) PHP
5 7 (14.00%) PowerShell
6 6 (12.00%) Bash Shell
6 6 (12.00%) PHP 5
7 5 (10.00%) SQL
8 4 (8.00%) Rust
9 3 (6.00%) C++
10 2 (4.00%) Java
11 1 (2.00%) C#
11 1 (2.00%) Groovy
11 1 (2.00%) Perl
11 1 (2.00%) Ruby
Qualifications
1 11 (22.00%) Security Cleared
2 10 (20.00%) SC Cleared
3 3 (6.00%) PMI Certification
4 2 (4.00%) Degree
5 1 (2.00%) DV Cleared
Quality Assurance & Compliance
1 2 (4.00%) ISO/IEC 27001
2 1 (2.00%) QA
2 1 (2.00%) SLA
System Software
1 13 (26.00%) VMware Infrastructure
2 12 (24.00%) vSphere
3 11 (22.00%) Docker
4 6 (12.00%) Active Directory
4 6 (12.00%) VMware ESXi
5 5 (10.00%) Microsoft Virtual Server
5 5 (10.00%) Virtual Servers
6 4 (8.00%) LXC
7 1 (2.00%) Ceph
7 1 (2.00%) Gluster
7 1 (2.00%) KVM
7 1 (2.00%) VirtualBox
7 1 (2.00%) VMware NSX
Systems Management
1 14 (28.00%) Ansible
2 11 (22.00%) Terraform
3 9 (18.00%) SCCM
4 6 (12.00%) Kubernetes
5 4 (8.00%) McAfee ePO
5 4 (8.00%) Puppet
5 4 (8.00%) SCOM
5 4 (8.00%) SCOrch
5 4 (8.00%) vRealize
6 1 (2.00%) Docker Swarm
6 1 (2.00%) Grafana
6 1 (2.00%) Nagios
6 1 (2.00%) Opscode Chef
6 1 (2.00%) Prometheus
6 1 (2.00%) Rancher
Vendors
1 19 (38.00%) Red Hat
2 16 (32.00%) VMware
3 13 (26.00%) Microsoft
4 6 (12.00%) Cisco
4 6 (12.00%) Juniper
4 6 (12.00%) SolarWinds
5 5 (10.00%) Google
6 4 (8.00%) Atlassian
6 4 (8.00%) Gemalto
6 4 (8.00%) McAfee
7 3 (6.00%) Dell
7 3 (6.00%) HP
8 2 (4.00%) Citrix
9 1 (2.00%) Splunk
9 1 (2.00%) Vertica