Period
to 21 October 2018

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 21 October 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
West Midlands > Birmingham
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 176 174 207
Rank change year-on-year -2 +33 -24
Permanent jobs citing CentOS 13 24 11
As % of all permanent IT jobs advertised in Birmingham 0.36% 0.63% 0.23%
As % of the Operating Systems category 2.25% 3.00% 1.27%
Number of salaries quoted 15 21 8
Birmingham median annual salary £42,500 £35,500 £67,500
Median salary % change year-on-year +19.72% -47.41% +12.50%
10th Percentile £25,000 £30,500 £61,250
90th Percentile £61,250 £60,000 £71,250
West Midlands median annual salary £42,500 £35,000 £52,500
% change year-on-year +21.43% -33.33% +26.51%

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 579 801 864
As % of all permanent IT jobs advertised in Birmingham 15.91% 21.07% 17.94%
Number of salaries quoted 456 722 679
Birmingham median annual salary £40,000 £38,500 £35,500
Median salary % change year-on-year +3.90% +8.45% -7.19%
10th Percentile £22,375 £26,025 £21,950
90th Percentile £58,750 £56,250 £60,000
West Midlands median annual salary £38,399 £36,000 £35,000
% change year-on-year +6.66% +2.86% -5.41%

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 21 October 2018.

Salary histogram for CentOS in Birmingham

For the 6 months to 21 October 2018, 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 13 (100.00%) Linux
2 9 (69.23%) Windows
2 9 (69.23%) VMware
2 9 (69.23%) Windows Server
3 6 (46.15%) Amazon AWS
3 6 (46.15%) Docker
3 6 (46.15%) MySQL
3 6 (46.15%) Agile Software Development
3 6 (46.15%) VMware Infrastructure
4 5 (38.46%) Hyper-V
4 5 (38.46%) SDLC
5 4 (30.77%) Windows 10
5 4 (30.77%) Windows 8
5 4 (30.77%) Elasticsearch
5 4 (30.77%) MongoDB
5 4 (30.77%) NoSQL
5 4 (30.77%) RabbitMQ
5 4 (30.77%) Kafka
5 4 (30.77%) Windows 7
5 4 (30.77%) Red Hat Enterprise Linux
5 4 (30.77%) SQL Server
5 4 (30.77%) Middleware
5 4 (30.77%) Microsoft
6 3 (23.08%) Red Hat
6 3 (23.08%) Extranet
6 3 (23.08%) Migration
6 3 (23.08%) Finance
6 3 (23.08%) Configuration Management
6 3 (23.08%) Python
6 3 (23.08%) SOAP

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 4 (30.77%) Elasticsearch
2 3 (23.08%) Confluence
3 1 (7.69%) nginx
Cloud Services
1 6 (46.15%) Amazon AWS
2 2 (15.38%) AWS CloudFormation
2 2 (15.38%) Microsoft Azure
3 1 (7.69%) Amazon CloudWatch
3 1 (7.69%) Amazon EC2
3 1 (7.69%) Amazon S3
3 1 (7.69%) CloudFront
3 1 (7.69%) Datadog
3 1 (7.69%) Google Cloud Platform
Communications & Networking
1 3 (23.08%) Extranet
2 1 (7.69%) DNS
2 1 (7.69%) HTTP
2 1 (7.69%) HTTPS
2 1 (7.69%) SSL
Database & Business Intelligence
1 6 (46.15%) MySQL
2 4 (30.77%) MongoDB
2 4 (30.77%) NoSQL
2 4 (30.77%) SQL Server
3 2 (15.38%) MariaDB
4 1 (7.69%) PostgreSQL
Development Applications
1 3 (23.08%) Jenkins
1 3 (23.08%) JIRA
2 2 (15.38%) Atlassian Bamboo
2 2 (15.38%) Travis CI
3 1 (7.69%) Vagrant
General
1 3 (23.08%) Finance
2 1 (7.69%) Automotive
2 1 (7.69%) Banking
2 1 (7.69%) Investment Banking
Job Titles
1 4 (30.77%) Senior Support Engineer
1 4 (30.77%) Senior Technical Engineer
1 4 (30.77%) Senior Technical Support
1 4 (30.77%) Senior Technical Support Engineer
1 4 (30.77%) Support Engineer
1 4 (30.77%) Technical Engineer
1 4 (30.77%) Technical Support
1 4 (30.77%) Technical Support Engineer
2 3 (23.08%) DevOps Engineer
2 3 (23.08%) Infrastructure Engineer
3 2 (15.38%) DBA
3 2 (15.38%) Developer
3 2 (15.38%) Linux DevOps Engineer
3 2 (15.38%) Linux Engineer
3 2 (15.38%) Linux/Unix DevOps
3 2 (15.38%) MySQL DBA
3 2 (15.38%) MySQL Developer
4 1 (7.69%) AWS Engineer
4 1 (7.69%) Senior DevOps
4 1 (7.69%) Virtualisation Engineer
Libraries, Frameworks & Software Standards
1 4 (30.77%) Kafka
1 4 (30.77%) Middleware
1 4 (30.77%) RabbitMQ
2 3 (23.08%) FIX Protocol
2 3 (23.08%) JSON
2 3 (23.08%) REST
2 3 (23.08%) SOAP
2 3 (23.08%) XML
3 1 (7.69%) Elastic Stack
3 1 (7.69%) LEMP Stack
Miscellaneous
1 2 (15.38%) Clustering
1 2 (15.38%) Computer Science
1 2 (15.38%) Replication
2 1 (7.69%) Analytical Skills
2 1 (7.69%) Linux Command Line
Operating Systems
1 13 (100.00%) Linux
2 9 (69.23%) Windows
2 9 (69.23%) Windows Server
3 4 (30.77%) Red Hat Enterprise Linux
3 4 (30.77%) Windows 10
3 4 (30.77%) Windows 7
3 4 (30.77%) Windows 8
4 3 (23.08%) Ubuntu
5 2 (15.38%) DC/OS
5 2 (15.38%) Windows Server 2008
6 1 (7.69%) Debian
6 1 (7.69%) Fedora
Processes & Methodologies
1 6 (46.15%) Agile Software Development
2 5 (38.46%) SDLC
3 3 (23.08%) Business Continuity
3 3 (23.08%) Business Transformation
3 3 (23.08%) Configuration Management
3 3 (23.08%) Continuous Integration
3 3 (23.08%) DevOps
3 3 (23.08%) Infrastructure Engineering
3 3 (23.08%) ITIL
3 3 (23.08%) Load Balancing
3 3 (23.08%) Migration
4 2 (15.38%) High Availability
4 2 (15.38%) Virtual Environments
5 1 (7.69%) Auto-Scaling
5 1 (7.69%) Continuous Delivery
5 1 (7.69%) Microservices
5 1 (7.69%) Problem-Solving
5 1 (7.69%) Process Improvement
5 1 (7.69%) Server Monitoring
5 1 (7.69%) Service Design
Programming Languages
1 3 (23.08%) Python
1 3 (23.08%) SQL
2 2 (15.38%) PHP
3 1 (7.69%) Bash Shell
3 1 (7.69%) Perl
3 1 (7.69%) Ruby
Qualifications
1 2 (15.38%) Computer Science Degree
1 2 (15.38%) Degree
2 1 (7.69%) AWS Certification
2 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) GDPR
1 1 (7.69%) ISO/IEC 27001
1 1 (7.69%) SLA
System Software
1 6 (46.15%) Docker
1 6 (46.15%) VMware Infrastructure
2 5 (38.46%) Hyper-V
3 2 (15.38%) VirtualBox
4 1 (7.69%) Virtual Machines
4 1 (7.69%) VMware ESXi
Systems Management
1 3 (23.08%) Ansible
1 3 (23.08%) Opscode Chef
1 3 (23.08%) Puppet
2 2 (15.38%) Docker Swarm
2 2 (15.38%) Galera Cluster
2 2 (15.38%) Kubernetes
3 1 (7.69%) Packer
3 1 (7.69%) Terraform
Vendors
1 9 (69.23%) VMware
2 4 (30.77%) Microsoft
3 3 (23.08%) Red Hat
4 1 (7.69%) Google
4 1 (7.69%) New Relic
4 1 (7.69%) SaltStack
4 1 (7.69%) Splunk