Period
to 19 March 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 19 March 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
West Midlands > Birmingham
6 months to
19 Mar 2019
Same period 2018 Same period 2017
Rank 162 176 183
Rank change year-on-year +14 +7 +1
Permanent jobs citing CentOS 18 13 7
As % of all permanent IT jobs advertised in Birmingham 0.56% 0.35% 0.18%
As % of the Operating Systems category 3.33% 1.85% 1.03%
Number of salaries quoted 18 13 7
Birmingham median annual salary £27,500 £45,000 £67,500
Median salary % change year-on-year -38.89% -33.33% +80.00%
10th Percentile £26,250 £35,100 £32,500
90th Percentile £69,250 £57,500 £71,750
West Midlands median annual salary £40,000 £43,750 £50,000
% change year-on-year -8.57% -12.50% +18.34%

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 541 704 677
As % of all permanent IT jobs advertised in Birmingham 16.89% 18.96% 17.13%
Number of salaries quoted 408 584 569
Birmingham median annual salary £42,500 £40,000 £37,500
Median salary % change year-on-year +6.25% +6.67% -
10th Percentile £25,925 £23,575 £23,750
90th Percentile £62,500 £62,500 £57,500
West Midlands median annual salary £40,000 £37,500 £36,500
% change year-on-year +6.67% +2.74% -2.67%

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 19 March 2019.

Salary histogram for CentOS in Birmingham

For the 6 months to 19 March 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 18 (100.00%) Linux
2 16 (88.89%) Windows
3 12 (66.67%) Microsoft
3 12 (66.67%) Windows Server
4 10 (55.56%) Windows 10
4 10 (55.56%) NoSQL
4 10 (55.56%) Windows 8
4 10 (55.56%) Windows 7
5 9 (50.00%) Middleware
5 9 (50.00%) SQL Server
5 9 (50.00%) Kafka
5 9 (50.00%) RabbitMQ
5 9 (50.00%) MongoDB
5 9 (50.00%) Elasticsearch
5 9 (50.00%) Apache NiFi
6 8 (44.44%) Banking
6 8 (44.44%) Data Management
6 8 (44.44%) Investment Banking
6 8 (44.44%) Use Case
7 6 (33.33%) Ansible
7 6 (33.33%) Docker
8 5 (27.78%) Terraform
8 5 (27.78%) Packer
8 5 (27.78%) Ubuntu
8 5 (27.78%) VMware Infrastructure
8 5 (27.78%) Microsoft Azure
8 5 (27.78%) Hyper-V
8 5 (27.78%) VMware
8 5 (27.78%) Python
9 4 (22.22%) Red Hat

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 9 (50.00%) Elasticsearch
2 1 (5.56%) Confluence
2 1 (5.56%) Exchange Server 2010
2 1 (5.56%) Exchange Server 2013
2 1 (5.56%) MS Exchange
Cloud Services
1 5 (27.78%) Microsoft Azure
2 4 (22.22%) Amazon AWS
3 3 (16.67%) Amazon CloudWatch
3 3 (16.67%) AWS CloudFormation
3 3 (16.67%) Datadog
3 3 (16.67%) Google Cloud Platform
4 2 (11.11%) Azure Active Directory
4 2 (11.11%) IaaS
4 2 (11.11%) PaaS
5 1 (5.56%) Office 365
5 1 (5.56%) OpenShift
Communications & Networking
1 2 (11.11%) Firewall
2 1 (5.56%) DHCP
2 1 (5.56%) DNS
2 1 (5.56%) Extranet
2 1 (5.56%) VLAN
2 1 (5.56%) VoIP
2 1 (5.56%) VPN
Database & Business Intelligence
1 10 (55.56%) NoSQL
2 9 (50.00%) MongoDB
2 9 (50.00%) SQL Server
3 2 (11.11%) Azure SQL Database
4 1 (5.56%) Apache Cassandra
4 1 (5.56%) MySQL
Development Applications
1 3 (16.67%) Atlassian Bamboo
1 3 (16.67%) Jenkins
1 3 (16.67%) Travis CI
1 3 (16.67%) Vagrant
2 2 (11.11%) Visual Studio
3 1 (5.56%) JIRA
General
1 8 (44.44%) Banking
1 8 (44.44%) Investment Banking
2 2 (11.11%) Marketing
3 1 (5.56%) Finance
Job Titles
1 9 (50.00%) Senior Support Engineer
1 9 (50.00%) Senior Technical Engineer
1 9 (50.00%) Senior Technical Support
1 9 (50.00%) Senior Technical Support Engineer
1 9 (50.00%) Support Engineer
1 9 (50.00%) Technical Engineer
1 9 (50.00%) Technical Support
1 9 (50.00%) Technical Support Engineer
2 4 (22.22%) DevOps Engineer
3 2 (11.11%) Architect
3 2 (11.11%) Cloud Architect
3 2 (11.11%) Cloud Solutions Architect
3 2 (11.11%) Solutions Architect
4 1 (5.56%) 2nd/3rd Line Support
4 1 (5.56%) AWS DevOps
4 1 (5.56%) AWS DevOps Engineer
4 1 (5.56%) AWS Engineer
4 1 (5.56%) Azure Architect
4 1 (5.56%) Linux Engineer
4 1 (5.56%) Unix Engineer
Libraries, Frameworks & Software Standards
1 9 (50.00%) Apache NiFi
1 9 (50.00%) Kafka
1 9 (50.00%) Middleware
1 9 (50.00%) RabbitMQ
2 3 (16.67%) Elastic Stack
3 1 (5.56%) FIX Protocol
3 1 (5.56%) JSON
3 1 (5.56%) REST
3 1 (5.56%) SOAP
3 1 (5.56%) XML
Miscellaneous
1 4 (22.22%) Linux Command Line
2 3 (16.67%) Analytical Skills
Operating Systems
1 18 (100.00%) Linux
2 16 (88.89%) Windows
3 12 (66.67%) Windows Server
4 10 (55.56%) Windows 10
4 10 (55.56%) Windows 7
4 10 (55.56%) Windows 8
5 5 (27.78%) Ubuntu
6 4 (22.22%) Red Hat Enterprise Linux
7 3 (16.67%) DC/OS
7 3 (16.67%) Windows Server 2008
8 2 (11.11%) SUSE
9 1 (5.56%) AIX
9 1 (5.56%) Debian
9 1 (5.56%) Fedora
9 1 (5.56%) Unix
Processes & Methodologies
1 8 (44.44%) Data Management
1 8 (44.44%) Use Case
2 4 (22.22%) Agile Software Development
2 4 (22.22%) DevOps
2 4 (22.22%) SDLC
3 3 (16.67%) Configuration Management
3 3 (16.67%) Continuous Integration
3 3 (16.67%) Migration
3 3 (16.67%) Problem-Solving
3 3 (16.67%) Server Monitoring
4 2 (11.11%) Customer Engagement
4 2 (11.11%) Mentoring
4 2 (11.11%) Network Virtualisation
4 2 (11.11%) Open Source
4 2 (11.11%) Presales
4 2 (11.11%) Service Delivery
5 1 (5.56%) Infrastructure Engineering
5 1 (5.56%) Service Design
5 1 (5.56%) Ticket Management
5 1 (5.56%) Virtual Environments
Programming Languages
1 5 (27.78%) Python
2 3 (16.67%) SQL
3 2 (11.11%) Bash Shell
3 2 (11.11%) PowerShell
4 1 (5.56%) Go
4 1 (5.56%) Perl
4 1 (5.56%) PHP
Qualifications
1 1 (5.56%) Microsoft Certification
1 1 (5.56%) Security Cleared
System Software
1 6 (33.33%) Docker
2 5 (27.78%) Hyper-V
2 5 (27.78%) VMware Infrastructure
3 3 (16.67%) Active Directory
3 3 (16.67%) Virtual Machines
3 3 (16.67%) VirtualBox
4 1 (5.56%) KVM
4 1 (5.56%) pfSense
4 1 (5.56%) vSphere
Systems Management
1 6 (33.33%) Ansible
2 5 (27.78%) Packer
2 5 (27.78%) Terraform
3 4 (22.22%) Kubernetes
4 3 (16.67%) Docker Swarm
4 3 (16.67%) Opscode Chef
4 3 (16.67%) Puppet
Vendors
1 12 (66.67%) Microsoft
2 5 (27.78%) VMware
3 4 (22.22%) Red Hat
4 3 (16.67%) Google
4 3 (16.67%) New Relic
4 3 (16.67%) Splunk
5 1 (5.56%) IBM
5 1 (5.56%) Samsung