Period
to 23 August 2019

The following table provides summary statistics for permanent job vacancies advertised in Birmingham 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 23 August 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
West Midlands > Birmingham
6 months to
23 Aug 2019
Same period 2018 Same period 2017
Rank 155 184 183
Rank change year-on-year +29 -1 +29
Permanent jobs citing CentOS 7 16 18
As % of all permanent IT jobs advertised in Birmingham 0.25% 0.41% 0.46%
As % of the Operating Systems category 1.25% 2.49% 2.34%
Number of salaries quoted 5 18 16
Birmingham median annual salary £27,500 £43,750 £35,000
Median salary % change year-on-year -37.14% +25.00% -44.00%
10th Percentile £26,250 £38,500 £32,500
90th Percentile £58,250 £59,375 £44,625
West Midlands median annual salary £42,250 £42,500 £35,000
% change year-on-year -0.59% +21.43% -22.22%

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 Birmingham with a requirement for operating system skills.

All Operating Systems
Birmingham
Permanent vacancies with a requirement for operating system skills 560 643 770
As % of all permanent IT jobs advertised in Birmingham 20.11% 16.66% 19.77%
Number of salaries quoted 436 510 679
Birmingham median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% +7.14%
10th Percentile £23,750 £22,500 £26,250
90th Percentile £67,500 £61,250 £53,750
West Midlands median annual salary £40,000 £39,000 £36,500
% change year-on-year +2.56% +6.85% +4.29%

CentOS
Job Vacancy Trend in Birmingham

Job postings citing CentOS as a percentage of all IT jobs advertised in Birmingham.

Job vacancy trend for CentOS in Birmingham

CentOS
Salary Trend in Birmingham

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

Salary trend for CentOS in Birmingham

CentOS
Salary Histogram in Birmingham

The salary distribution of IT jobs citing CentOS in Birmingham over the 6 months to 23 August 2019.

Salary histogram for CentOS in Birmingham

For the 6 months to 23 August 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 Birmingham region with a requirement for CentOS.

1 7 (100.00%) Linux
2 5 (71.43%) Azure
2 5 (71.43%) DevOps
2 5 (71.43%) Docker
2 5 (71.43%) Elastic Stack
3 4 (57.14%) Windows Server
3 4 (57.14%) Agile Software Development
3 4 (57.14%) Windows
4 3 (42.86%) SQL Server
4 3 (42.86%) Microsoft
4 3 (42.86%) Finance
4 3 (42.86%) Data Management
4 3 (42.86%) Red Hat Enterprise Linux
4 3 (42.86%) logstash
4 3 (42.86%) Elasticsearch
4 3 (42.86%) Kibana
4 3 (42.86%) MongoDB
4 3 (42.86%) Apache NiFi
4 3 (42.86%) Fintech
5 2 (28.57%) Docker Swarm
5 2 (28.57%) Splunk
5 2 (28.57%) Jenkins
5 2 (28.57%) Kubernetes
5 2 (28.57%) Terraform
5 2 (28.57%) Ansible
5 2 (28.57%) Packer
5 2 (28.57%) AWS
5 2 (28.57%) Puppet
5 2 (28.57%) Atlassian Bamboo
5 2 (28.57%) Configuration Management

CentOS
Co-occurring IT Skills in Birmingham 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 (42.86%) Elasticsearch
Cloud Services
1 5 (71.43%) Azure
2 2 (28.57%) AWS
3 1 (14.29%) Amazon CloudWatch
3 1 (14.29%) AWS CloudFormation
3 1 (14.29%) Datadog
3 1 (14.29%) GCP
3 1 (14.29%) GitHub
Communications & Networking
1 1 (14.29%) Asterisk PBX
1 1 (14.29%) RTP
1 1 (14.29%) SNMP
1 1 (14.29%) VoIP
Database & Business Intelligence
1 3 (42.86%) MongoDB
1 3 (42.86%) SQL Server
2 1 (14.29%) NoSQL
Development Applications
1 2 (28.57%) Atlassian Bamboo
1 2 (28.57%) Jenkins
2 1 (14.29%) Git (software)
2 1 (14.29%) GitLab
2 1 (14.29%) Travis CI
2 1 (14.29%) Vagrant
General
1 3 (42.86%) Finance
2 1 (14.29%) Telecoms
Job Titles
1 3 (42.86%) Analyst
1 3 (42.86%) Senior Analyst
1 3 (42.86%) Senior Support Analyst
1 3 (42.86%) Support Analyst
2 2 (28.57%) DevOps Engineer
3 1 (14.29%) Developer
3 1 (14.29%) Platform Engineer
3 1 (14.29%) Unix Engineer
Libraries, Frameworks & Software Standards
1 5 (71.43%) Elastic Stack
2 3 (42.86%) Apache NiFi
Miscellaneous
1 1 (14.29%) Analytical Skills
Operating Systems
1 7 (100.00%) Linux
2 4 (57.14%) Windows
2 4 (57.14%) Windows Server
3 3 (42.86%) Red Hat Enterprise Linux
4 1 (14.29%) AIX
4 1 (14.29%) DC/OS
4 1 (14.29%) Ubuntu
4 1 (14.29%) Unix
4 1 (14.29%) Windows Server 2008
Processes & Methodologies
1 5 (71.43%) DevOps
2 4 (57.14%) Agile Software Development
3 3 (42.86%) Data Management
3 3 (42.86%) Fintech
4 2 (28.57%) Configuration Management
5 1 (14.29%) Continuous Integration
5 1 (14.29%) Customer Requirements
5 1 (14.29%) High Availability
5 1 (14.29%) Infrastructure as Code
5 1 (14.29%) Infrastructure Engineering
5 1 (14.29%) Load Balancing
5 1 (14.29%) Problem-Solving
5 1 (14.29%) SDLC
5 1 (14.29%) Server Monitoring
5 1 (14.29%) Ticket Management
Programming Languages
1 2 (28.57%) Python
2 1 (14.29%) Ruby
2 1 (14.29%) SQL
Qualifications
1 1 (14.29%) AWS Certification
System Software
1 5 (71.43%) Docker
2 1 (14.29%) Hyper-V
2 1 (14.29%) Virtual Machines
2 1 (14.29%) VirtualBox
2 1 (14.29%) VMware Infrastructure
Systems Management
1 3 (42.86%) Kibana
1 3 (42.86%) logstash
2 2 (28.57%) Ansible
2 2 (28.57%) Docker Swarm
2 2 (28.57%) Kubernetes
2 2 (28.57%) Packer
2 2 (28.57%) Puppet
2 2 (28.57%) Terraform
3 1 (14.29%) Consul
3 1 (14.29%) Grafana
3 1 (14.29%) Graphite
3 1 (14.29%) Opscode Chef
3 1 (14.29%) Opsview
3 1 (14.29%) Prometheus
Vendors
1 3 (42.86%) Microsoft
2 2 (28.57%) Splunk
3 1 (14.29%) Google
3 1 (14.29%) IBM
3 1 (14.29%) New Relic
3 1 (14.29%) Red Hat
3 1 (14.29%) VMware