Period
to 25 October 2021

The following table provides summary statistics for permanent job vacancies advertised in the Midlands 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 25 October 2021 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > Midlands
6 months to
25 Oct 2021
Same period 2020 Same period 2019
Rank 280 194 287
Rank change year-on-year -86 +93 +28
Permanent jobs citing CentOS 45 16 53
As % of all permanent jobs advertised in the Midlands 0.42% 0.40% 0.48%
As % of the Operating Systems category 2.28% 1.86% 2.22%
Number of salaries quoted 25 8 50
10th Percentile £26,000 £29,625 £26,250
25th Percentile £31,250 £30,000 £36,406
Median annual salary (50th Percentile) £37,500 £43,750 £42,250
Median % change year-on-year -14.29% +3.55% -19.52%
75th Percentile £47,500 £55,938 £49,688
90th Percentile £59,800 £73,750 £56,500
England median annual salary £55,000 £52,000 £50,000
% change year-on-year +5.77% +4.00% -9.09%

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 Midlands with a requirement for operating system skills.

All Operating Systems
Midlands
Permanent vacancies with a requirement for operating system skills 1,972 861 2,391
As % of all permanent IT jobs advertised in the Midlands 18.44% 21.34% 21.44%
Number of salaries quoted 1,521 697 1,902
10th Percentile £23,500 £22,900 £22,525
25th Percentile £31,250 £31,250 £27,000
Median annual salary (50th Percentile) £42,500 £42,500 £40,000
Median % change year-on-year - +6.25% +6.67%
75th Percentile £55,000 £56,250 £51,438
90th Percentile £67,500 £63,300 £63,750
England median annual salary £50,000 £50,000 £46,000
% change year-on-year - +8.70% -3.16%

CentOS
Job Vacancy Trend in the Midlands

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

Job vacancy trend for CentOS in the Midlands

CentOS
Salary Trend in the Midlands

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

Salary trend for CentOS in the Midlands

CentOS
Salary Histogram in the Midlands

Salary distribution for jobs citing CentOS in the Midlands over the 6 months to 25 October 2021.

Salary histogram for CentOS in the Midlands

CentOS
Job Locations in the Midlands

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Midlands region over the 6 months to 25 October 2021. 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
West Midlands -87 29 £50,000 -2.44% 7
East Midlands -69 16 £32,500 -25.71% 6
CentOS
England

For the 6 months to 25 October 2021, 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 Midlands region with a requirement for CentOS.

1 45 (100.00%) Linux
2 22 (48.89%) Red Hat
3 21 (46.67%) Ubuntu
3 21 (46.67%) AWS
4 20 (44.44%) Windows
4 20 (44.44%) Infrastructure Engineering
5 18 (40.00%) Windows Server
6 17 (37.78%) VMware
7 16 (35.56%) Firewall
7 16 (35.56%) Python
7 16 (35.56%) VMware Infrastructure
7 16 (35.56%) Continuous Improvement
8 15 (33.33%) Puppet
8 15 (33.33%) Docker
9 14 (31.11%) Terraform
9 14 (31.11%) Problem-Solving
9 14 (31.11%) Load Balancing
10 13 (28.89%) Red Hat Enterprise Linux
10 13 (28.89%) Active Directory
10 13 (28.89%) DevOps
10 13 (28.89%) Microsoft 365
11 12 (26.67%) Kubernetes
11 12 (26.67%) Microsoft
11 12 (26.67%) Azure
12 11 (24.44%) SaaS
12 11 (24.44%) Migration
12 11 (24.44%) Windows 10
12 11 (24.44%) Cybersecurity
12 11 (24.44%) Tech Ops
13 10 (22.22%) Amazon EKS

CentOS
Co-occurring IT Skills in the Midlands 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 8 (17.78%) SharePoint
2 7 (15.56%) Apache
3 6 (13.33%) JBoss
3 6 (13.33%) Tomcat
4 4 (8.89%) Confluence
5 1 (2.22%) Elasticsearch
5 1 (2.22%) nginx
Business Applications
1 3 (6.67%) SAP Business One
Cloud Services
1 21 (46.67%) AWS
2 13 (28.89%) Microsoft 365
3 12 (26.67%) Azure
4 11 (24.44%) SaaS
5 10 (22.22%) Amazon EKS
6 9 (20.00%) IaaS
7 8 (17.78%) Cloud Computing
7 8 (17.78%) OneDrive
7 8 (17.78%) PaaS
8 6 (13.33%) Amazon ECS
9 5 (11.11%) GCP
10 4 (8.89%) Amazon CloudWatch
10 4 (8.89%) AWS CloudFormation
11 3 (6.67%) Virtual Private Cloud
12 2 (4.44%) GitHub
13 1 (2.22%) Amazon EC2
13 1 (2.22%) Apigee
13 1 (2.22%) AWS CloudTrail
13 1 (2.22%) Google App Engine
Communications & Networking
1 16 (35.56%) Firewall
2 7 (15.56%) HTTP
3 6 (13.33%) DMZ
4 5 (11.11%) VPN
5 3 (6.67%) Cisco IOS
5 3 (6.67%) Cisco Nexus
5 3 (6.67%) Network Security
5 3 (6.67%) Wireless
6 2 (4.44%) NAS
6 2 (4.44%) SAN
6 2 (4.44%) TCP/IP
7 1 (2.22%) BGP
7 1 (2.22%) DHCP
7 1 (2.22%) DNS
7 1 (2.22%) OSPF
7 1 (2.22%) Remote Desktop
7 1 (2.22%) SSH
Database & Business Intelligence
1 4 (8.89%) MySQL
1 4 (8.89%) PostgreSQL
2 3 (6.67%) Apache Cassandra
3 2 (4.44%) NoSQL
4 1 (2.22%) Big Data
4 1 (2.22%) MongoDB
4 1 (2.22%) Redis
Development Applications
1 6 (13.33%) Git (software)
2 4 (8.89%) JIRA
3 3 (6.67%) GitLab
3 3 (6.67%) Jenkins
4 1 (2.22%) Atlassian Bamboo
4 1 (2.22%) Bitbucket
4 1 (2.22%) Eclipse
4 1 (2.22%) Maven
4 1 (2.22%) PHPUnit
4 1 (2.22%) Postman
4 1 (2.22%) PuPHPet
4 1 (2.22%) Vagrant
General
1 10 (22.22%) Social Skills
2 4 (8.89%) Back Office
2 4 (8.89%) Documentation Skills
3 3 (6.67%) Finance
3 3 (6.67%) Manufacturing
4 2 (4.44%) Marketing
4 2 (4.44%) Retail
5 1 (2.22%) Aerospace
5 1 (2.22%) Games
5 1 (2.22%) Public Sector
Job Titles
1 19 (42.22%) Infrastructure Engineer
2 7 (15.56%) DevOps Engineer
3 6 (13.33%) Lead DevOps
3 6 (13.33%) Lead DevOps Engineer
3 6 (13.33%) Linux Engineer
4 5 (11.11%) Cloud Engineer
4 5 (11.11%) Developer
4 5 (11.11%) Linux Infrastructure Engineer
5 3 (6.67%) 1st Line Support
5 3 (6.67%) Cloud Infrastructure Engineer
5 3 (6.67%) IT Support
5 3 (6.67%) Operations Engineer
5 3 (6.67%) PHP Developer
6 2 (4.44%) HTML Developer
6 2 (4.44%) JavaScript Developer
6 2 (4.44%) PHP Web Developer
6 2 (4.44%) Principal Engineer
6 2 (4.44%) Systems Engineer
6 2 (4.44%) Technical Engineer
6 2 (4.44%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (13.33%) REST
2 4 (8.89%) Elastic Stack
3 3 (6.67%) Node.js
4 2 (4.44%) AngularJS
4 2 (4.44%) CSS
4 2 (4.44%) HTML
4 2 (4.44%) HTML5
4 2 (4.44%) jQuery
4 2 (4.44%) Yii
5 1 (2.22%) LAMP
5 1 (2.22%) LAPP Stack
5 1 (2.22%) Laravel
5 1 (2.22%) LEMP Stack
5 1 (2.22%) React
5 1 (2.22%) RESTful
5 1 (2.22%) Ruby on Rails
5 1 (2.22%) Spring
5 1 (2.22%) Swagger
5 1 (2.22%) Symfony
Miscellaneous
1 3 (6.67%) Clustering
1 3 (6.67%) Linux Command Line
1 3 (6.67%) Self-Motivation
2 1 (2.22%) Algorithms
2 1 (2.22%) Data Structures
2 1 (2.22%) Mobile Payment
Operating Systems
1 45 (100.00%) Linux
2 21 (46.67%) Ubuntu
3 20 (44.44%) Windows
4 18 (40.00%) Windows Server
5 13 (28.89%) Red Hat Enterprise Linux
6 11 (24.44%) Windows 10
7 8 (17.78%) Windows Server 2019
8 7 (15.56%) Windows Server 2016
9 4 (8.89%) Debian
10 1 (2.22%) CoreOS
10 1 (2.22%) SUSE
10 1 (2.22%) Unix
10 1 (2.22%) Windows 2000 Server
10 1 (2.22%) Windows XP
Processes & Methodologies
1 20 (44.44%) Infrastructure Engineering
2 16 (35.56%) Continuous Improvement
3 14 (31.11%) Load Balancing
3 14 (31.11%) Problem-Solving
4 13 (28.89%) DevOps
5 11 (24.44%) Cybersecurity
5 11 (24.44%) Migration
5 11 (24.44%) Tech Ops
6 9 (20.00%) Open Source
7 7 (15.56%) Agile Software Development
7 7 (15.56%) Infrastructure as Code
8 5 (11.11%) Configuration Management
8 5 (11.11%) Incident Management
9 4 (8.89%) Microservices
9 4 (8.89%) Risk Management
10 3 (6.67%) Change Management
10 3 (6.67%) Process Improvement
10 3 (6.67%) Test Automation
10 3 (6.67%) Time Management
10 3 (6.67%) Visualisation
Programming Languages
1 16 (35.56%) Python
2 8 (17.78%) Bash Shell
3 4 (8.89%) Java
3 4 (8.89%) Perl
4 3 (6.67%) JavaScript
4 3 (6.67%) PHP
5 2 (4.44%) Go
5 2 (4.44%) PowerShell
5 2 (4.44%) Ruby
6 1 (2.22%) Bicep
6 1 (2.22%) C#
6 1 (2.22%) C++
6 1 (2.22%) SQL
Qualifications
1 5 (11.11%) Microsoft Certification
2 4 (8.89%) CCNA
2 4 (8.89%) Cisco Certification
2 4 (8.89%) MCSA
3 1 (2.22%) AWS Certification
Quality Assurance & Compliance
1 1 (2.22%) ISO/IEC 27001
1 1 (2.22%) PCI DSS
System Software
1 16 (35.56%) VMware Infrastructure
2 15 (33.33%) Docker
3 13 (28.89%) Active Directory
4 6 (13.33%) Hyper-V
5 4 (8.89%) Virtual Servers
5 4 (8.89%) vSphere
6 1 (2.22%) Virtual Machines
Systems Management
1 15 (33.33%) Puppet
2 14 (31.11%) Terraform
3 12 (26.67%) Kubernetes
4 10 (22.22%) Ansible
4 10 (22.22%) Docker Swarm
5 6 (13.33%) Rundeck
6 4 (8.89%) Bacula
6 4 (8.89%) Bareos
6 4 (8.89%) yum
7 3 (6.67%) Opscode Chef
8 1 (2.22%) Consul
8 1 (2.22%) Grafana
8 1 (2.22%) Graphite
8 1 (2.22%) Packer
8 1 (2.22%) Prometheus
Vendors
1 22 (48.89%) Red Hat
2 17 (37.78%) VMware
3 12 (26.67%) Microsoft
4 8 (17.78%) Cisco
5 4 (8.89%) Google
5 4 (8.89%) New Relic
6 3 (6.67%) Oracle
6 3 (6.67%) SAP
7 2 (4.44%) LexisNexis
8 1 (2.22%) Palo Alto
8 1 (2.22%) Splunk