Period
to 10 December 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 10 December 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
West Midlands > Birmingham
6 months to
10 Dec 2018
Same period 2017 Same period 2016
Rank 174 180 209
Rank change year-on-year +6 +29 -33
Permanent jobs citing CentOS 15 19 14
As % of all permanent IT jobs advertised in Birmingham 0.42% 0.50% 0.30%
As % of the Operating Systems category 2.57% 2.50% 1.70%
Number of salaries quoted 15 18 11
Birmingham median annual salary £27,500 £35,250 £67,500
Median salary % change year-on-year -21.99% -47.78% +45.95%
10th Percentile £25,000 £30,500 £61,250
90th Percentile £51,750 £60,000 £71,250
West Midlands median annual salary £27,500 £36,000 £50,000
% change year-on-year -23.61% -28.00% +25.00%

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 Birmingham with a requirement for operating system skills.

All Operating Systems
Birmingham
Permanent vacancies with a requirement for operating system skills 584 761 824
As % of all permanent IT jobs advertised in Birmingham 16.36% 20.08% 17.90%
Number of salaries quoted 458 685 653
Birmingham median annual salary £40,000 £38,750 £37,500
Median salary % change year-on-year +3.23% +3.33% -
10th Percentile £24,350 £25,500 £23,500
90th Percentile £58,750 £58,750 £62,250
West Midlands median annual salary £40,000 £36,000 £35,000
% change year-on-year +11.11% +2.86% -6.67%

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 10 December 2018.

Salary histogram for CentOS in Birmingham

For the 6 months to 10 December 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 15 (100.00%) Linux
2 12 (80.00%) Windows
2 12 (80.00%) NoSQL
2 12 (80.00%) Windows Server
3 11 (73.33%) RabbitMQ
3 11 (73.33%) Kafka
3 11 (73.33%) Windows 8
3 11 (73.33%) Elasticsearch
3 11 (73.33%) Windows 10
3 11 (73.33%) Microsoft
3 11 (73.33%) SQL Server
3 11 (73.33%) Middleware
3 11 (73.33%) Windows 7
3 11 (73.33%) MongoDB
4 8 (53.33%) Use Case
4 8 (53.33%) Banking
4 8 (53.33%) Data Management
4 8 (53.33%) Investment Banking
5 5 (33.33%) Agile Software Development
5 5 (33.33%) VMware Infrastructure
5 5 (33.33%) VMware
5 5 (33.33%) Docker
6 4 (26.67%) SDLC
6 4 (26.67%) Python
6 4 (26.67%) Hyper-V
7 3 (20.00%) Confluence
7 3 (20.00%) Amazon AWS
7 3 (20.00%) Red Hat Enterprise Linux
7 3 (20.00%) JSON
7 3 (20.00%) JIRA

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 11 (73.33%) Elasticsearch
2 3 (20.00%) Confluence
3 1 (6.67%) nginx
Cloud Services
1 3 (20.00%) Amazon AWS
2 1 (6.67%) Amazon CloudWatch
2 1 (6.67%) Amazon EC2
2 1 (6.67%) Amazon S3
2 1 (6.67%) AWS CloudFormation
2 1 (6.67%) CloudFront
2 1 (6.67%) Datadog
2 1 (6.67%) Google Cloud Platform
2 1 (6.67%) Microsoft Azure
2 1 (6.67%) OpenShift
Communications & Networking
1 3 (20.00%) Extranet
2 1 (6.67%) DNS
2 1 (6.67%) Firewall
2 1 (6.67%) HTTP
2 1 (6.67%) HTTPS
2 1 (6.67%) SSL
Database & Business Intelligence
1 12 (80.00%) NoSQL
2 11 (73.33%) MongoDB
2 11 (73.33%) SQL Server
3 2 (13.33%) MySQL
4 1 (6.67%) Apache Cassandra
4 1 (6.67%) PostgreSQL
Development Applications
1 3 (20.00%) JIRA
2 2 (13.33%) Jenkins
3 1 (6.67%) Atlassian Bamboo
3 1 (6.67%) Travis CI
3 1 (6.67%) Vagrant
General
1 8 (53.33%) Banking
1 8 (53.33%) Investment Banking
2 3 (20.00%) Finance
3 1 (6.67%) Automotive
Job Titles
1 11 (73.33%) Senior Support Engineer
1 11 (73.33%) Senior Technical Engineer
1 11 (73.33%) Senior Technical Support
1 11 (73.33%) Senior Technical Support Engineer
1 11 (73.33%) Support Engineer
1 11 (73.33%) Technical Engineer
1 11 (73.33%) Technical Support
1 11 (73.33%) Technical Support Engineer
2 3 (20.00%) DevOps Engineer
3 1 (6.67%) Administrator
3 1 (6.67%) AWS DevOps
3 1 (6.67%) AWS DevOps Engineer
3 1 (6.67%) AWS Engineer
3 1 (6.67%) Linux Administrator
3 1 (6.67%) Linux DevOps Engineer
3 1 (6.67%) Linux Systems Administrator
3 1 (6.67%) Linux/Unix DevOps
3 1 (6.67%) Senior DevOps
3 1 (6.67%) Senior DevOps Engineer
3 1 (6.67%) Systems Administrator
Libraries, Frameworks & Software Standards
1 11 (73.33%) Kafka
1 11 (73.33%) Middleware
1 11 (73.33%) RabbitMQ
2 3 (20.00%) FIX Protocol
2 3 (20.00%) JSON
2 3 (20.00%) REST
2 3 (20.00%) SOAP
2 3 (20.00%) XML
3 1 (6.67%) Elastic Stack
3 1 (6.67%) LEMP Stack
Miscellaneous
1 1 (6.67%) Analytical Skills
1 1 (6.67%) Linux Command Line
Operating Systems
1 15 (100.00%) Linux
2 12 (80.00%) Windows
2 12 (80.00%) Windows Server
3 11 (73.33%) Windows 10
3 11 (73.33%) Windows 7
3 11 (73.33%) Windows 8
4 3 (20.00%) Red Hat Enterprise Linux
5 2 (13.33%) Ubuntu
6 1 (6.67%) DC/OS
6 1 (6.67%) Debian
6 1 (6.67%) Fedora
6 1 (6.67%) Windows Server 2008
Processes & Methodologies
1 8 (53.33%) Data Management
1 8 (53.33%) Use Case
2 5 (33.33%) Agile Software Development
3 4 (26.67%) SDLC
4 3 (20.00%) Business Transformation
4 3 (20.00%) DevOps
4 3 (20.00%) ITIL
5 2 (13.33%) Configuration Management
5 2 (13.33%) Continuous Integration
5 2 (13.33%) Virtual Environments
6 1 (6.67%) Auto-Scaling
6 1 (6.67%) Continuous Delivery
6 1 (6.67%) Mentoring
6 1 (6.67%) Microservices
6 1 (6.67%) Open Source
6 1 (6.67%) Problem-Solving
6 1 (6.67%) Process Improvement
6 1 (6.67%) Server Monitoring
6 1 (6.67%) Service Design
6 1 (6.67%) Systems Engineering
Programming Languages
1 4 (26.67%) Python
2 2 (13.33%) Bash Shell
2 2 (13.33%) PHP
3 1 (6.67%) Perl
3 1 (6.67%) Ruby
3 1 (6.67%) SQL
Qualifications
1 1 (6.67%) AWS Certification
1 1 (6.67%) Security Cleared
Quality Assurance & Compliance
1 1 (6.67%) GDPR
1 1 (6.67%) ISO/IEC 27001
1 1 (6.67%) SLA
System Software
1 5 (33.33%) Docker
1 5 (33.33%) VMware Infrastructure
2 4 (26.67%) Hyper-V
3 1 (6.67%) KVM
3 1 (6.67%) pfSense
3 1 (6.67%) Virtual Machines
3 1 (6.67%) VirtualBox
3 1 (6.67%) VMware ESXi
Systems Management
1 3 (20.00%) Ansible
2 2 (13.33%) Kubernetes
2 2 (13.33%) Opscode Chef
2 2 (13.33%) Puppet
3 1 (6.67%) Docker Swarm
3 1 (6.67%) Packer
3 1 (6.67%) Terraform
Vendors
1 11 (73.33%) Microsoft
2 5 (33.33%) VMware
3 1 (6.67%) Google
3 1 (6.67%) New Relic
3 1 (6.67%) Red Hat
3 1 (6.67%) SaltStack
3 1 (6.67%) Splunk