Period
to 21 November 2018

The following table provides summary statistics for permanent job vacancies advertised in the West 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 21 November 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > West Midlands
6 months to
21 Nov 2018
Same period 2017 Same period 2016
Rank 256 254 308
Rank change year-on-year -2 +54 -11
Permanent jobs citing CentOS 27 67 35
As % of all permanent IT jobs advertised in the West Midlands 0.32% 0.66% 0.31%
As % of the Operating Systems category 1.66% 3.21% 1.53%
Number of salaries quoted 19 63 21
West Midlands median annual salary £35,000 £36,500 £52,500
Median salary % change year-on-year -4.11% -30.48% +28.83%
10th Percentile £25,000 £28,750 £32,500
90th Percentile £56,750 £55,750 £71,250
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +5.26%

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 West Midlands with a requirement for operating system skills.

All Operating Systems
West Midlands
Permanent vacancies with a requirement for operating system skills 1,629 2,085 2,290
As % of all permanent IT jobs advertised in the West Midlands 19.12% 20.43% 20.09%
Number of salaries quoted 1,327 1,829 1,911
West Midlands median annual salary £39,000 £36,000 £35,000
Median salary % change year-on-year +8.33% +2.86% -6.67%
10th Percentile £22,075 £22,500 £21,250
90th Percentile £60,000 £54,200 £56,250
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

CentOS
Job Vacancy Trend in the West Midlands

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

Job vacancy trend for CentOS in the West Midlands

CentOS
Salary Trend in the West Midlands

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

Salary trend for CentOS in the West Midlands

CentOS
Salary Histogram in the West Midlands

The salary distribution of IT jobs citing CentOS in the West Midlands over the 6 months to 21 November 2018.

Salary histogram for CentOS in the West Midlands

CentOS
Job Locations in the West Midlands

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the West Midlands region over the 6 months to 21 November 2018. 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
Birmingham -4 13 £27,500 -27.15% 3
Worcestershire +11 6 £35,000 -23.91% 3
Shropshire - 5 - -
Staffordshire +29 2 £46,250 -15.91% 1
Wednesbury - 1 £45,000 -
CentOS
England

For the 6 months to 21 November 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 West Midlands region with a requirement for CentOS.

1 27 (100.00%) Linux
2 14 (51.85%) Python
2 14 (51.85%) NoSQL
3 13 (48.15%) Red Hat Enterprise Linux
3 13 (48.15%) Windows
3 13 (48.15%) Microsoft
4 12 (44.44%) Red Hat
4 12 (44.44%) Docker
5 11 (40.74%) Ansible
5 11 (40.74%) Agile Software Development
5 11 (40.74%) Puppet
6 10 (37.04%) Amazon AWS
6 10 (37.04%) Windows Server
7 9 (33.33%) Kubernetes
7 9 (33.33%) DevOps
7 9 (33.33%) SQL Server
8 8 (29.63%) MySQL
8 8 (29.63%) RHCE
8 8 (29.63%) VMware
8 8 (29.63%) Middleware
8 8 (29.63%) Windows 7
8 8 (29.63%) MongoDB
8 8 (29.63%) RabbitMQ
8 8 (29.63%) Microsoft Azure
8 8 (29.63%) Kafka
8 8 (29.63%) Windows 8
8 8 (29.63%) Continuous Integration
8 8 (29.63%) Jenkins
8 8 (29.63%) Elasticsearch
8 8 (29.63%) Windows 10

CentOS
Co-occurring IT Skills in the West 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 (29.63%) Elasticsearch
2 3 (11.11%) Confluence
3 2 (7.41%) Apache
4 1 (3.70%) nginx
Cloud Services
1 10 (37.04%) Amazon AWS
2 8 (29.63%) Microsoft Azure
3 5 (18.52%) GitHub
4 4 (14.81%) Cloud Computing
5 2 (7.41%) AWS CloudFormation
5 2 (7.41%) Office 365
6 1 (3.70%) Amazon CloudWatch
6 1 (3.70%) Amazon EC2
6 1 (3.70%) Amazon S3
6 1 (3.70%) CloudFront
6 1 (3.70%) Datadog
6 1 (3.70%) Google Cloud Platform
6 1 (3.70%) OpenShift
Communications & Networking
1 4 (14.81%) DNS
2 3 (11.11%) Extranet
3 2 (7.41%) Firewall
3 2 (7.41%) SSL
4 1 (3.70%) DHCP
4 1 (3.70%) FTP
4 1 (3.70%) HTTP
4 1 (3.70%) HTTPS
4 1 (3.70%) Kerberos
4 1 (3.70%) SSH
4 1 (3.70%) TCP/IP
Database & Business Intelligence
1 14 (51.85%) NoSQL
2 9 (33.33%) SQL Server
3 8 (29.63%) MongoDB
3 8 (29.63%) MySQL
4 3 (11.11%) PostgreSQL
5 1 (3.70%) Apache Cassandra
5 1 (3.70%) MariaDB
Development Applications
1 8 (29.63%) Jenkins
2 7 (25.93%) Atlassian Bamboo
3 5 (18.52%) Git (software)
3 5 (18.52%) GitLab
4 4 (14.81%) JIRA
5 2 (7.41%) Travis CI
6 1 (3.70%) Vagrant
General
1 5 (18.52%) Banking
1 5 (18.52%) Investment Banking
2 4 (14.81%) Finance
3 1 (3.70%) Automotive
3 1 (3.70%) Legal
Job Titles
1 8 (29.63%) DevOps Engineer
1 8 (29.63%) Senior Support Engineer
1 8 (29.63%) Senior Technical Engineer
1 8 (29.63%) Senior Technical Support
1 8 (29.63%) Senior Technical Support Engineer
1 8 (29.63%) Support Engineer
1 8 (29.63%) Technical Engineer
1 8 (29.63%) Technical Support
1 8 (29.63%) Technical Support Engineer
2 6 (22.22%) Linux Engineer
3 5 (18.52%) Platform Engineer
4 3 (11.11%) Administrator
4 3 (11.11%) Senior Linux Engineer
4 3 (11.11%) Systems Administrator
5 2 (7.41%) Cybersecurity Engineer
5 2 (7.41%) Developer
5 2 (7.41%) Linux Administrator
5 2 (7.41%) Linux DevOps Engineer
5 2 (7.41%) Linux Systems Administrator
5 2 (7.41%) Security Engineer
Libraries, Frameworks & Software Standards
1 8 (29.63%) Kafka
1 8 (29.63%) Middleware
1 8 (29.63%) RabbitMQ
2 7 (25.93%) Elastic Stack
3 3 (11.11%) FIX Protocol
3 3 (11.11%) JSON
3 3 (11.11%) LAMP
3 3 (11.11%) REST
3 3 (11.11%) SOAP
3 3 (11.11%) XML
4 1 (3.70%) Ajax
4 1 (3.70%) jQuery
4 1 (3.70%) LAPP Stack
4 1 (3.70%) LDAP
4 1 (3.70%) LEMP Stack
Miscellaneous
1 2 (7.41%) Analytical Skills
1 2 (7.41%) Linux Command Line
2 1 (3.70%) Clustering
2 1 (3.70%) Computer Science
2 1 (3.70%) Data Centre
2 1 (3.70%) Replication
2 1 (3.70%) Self-Motivation
Operating Systems
1 27 (100.00%) Linux
2 13 (48.15%) Red Hat Enterprise Linux
2 13 (48.15%) Windows
3 10 (37.04%) Windows Server
4 8 (29.63%) Windows 10
4 8 (29.63%) Windows 7
4 8 (29.63%) Windows 8
5 4 (14.81%) Ubuntu
6 2 (7.41%) DC/OS
6 2 (7.41%) Debian
6 2 (7.41%) Windows Server 2008
7 1 (3.70%) Fedora
7 1 (3.70%) Solaris
Processes & Methodologies
1 11 (40.74%) Agile Software Development
2 9 (33.33%) DevOps
3 8 (29.63%) Continuous Integration
4 7 (25.93%) Configuration Management
4 7 (25.93%) High Availability
4 7 (25.93%) Open Source
5 6 (22.22%) IT Strategy
5 6 (22.22%) ITIL
5 6 (22.22%) Microservices
6 5 (18.52%) Continuous Delivery
6 5 (18.52%) Data Management
6 5 (18.52%) Load Balancing
6 5 (18.52%) Mentoring
6 5 (18.52%) SDLC
6 5 (18.52%) Use Case
6 5 (18.52%) User-Centered Design (UCD)
7 4 (14.81%) E-Procurement
8 3 (11.11%) Business Transformation
9 2 (7.41%) Change Control
9 2 (7.41%) Server Hardening
Programming Languages
1 14 (51.85%) Python
2 7 (25.93%) Ruby
3 6 (22.22%) SQL
4 4 (14.81%) Perl
4 4 (14.81%) PHP
5 3 (11.11%) Bash Shell
6 2 (7.41%) Shell Script
7 1 (3.70%) Java
7 1 (3.70%) JavaScript
Qualifications
1 8 (29.63%) RHCE
2 6 (22.22%) AWS Certification
2 6 (22.22%) RHCSA
3 2 (7.41%) Security Cleared
4 1 (3.70%) CompTIA Security+
4 1 (3.70%) Computer Science Degree
4 1 (3.70%) Degree
4 1 (3.70%) ITIL Foundation Certificate
4 1 (3.70%) Linux+ Certification
4 1 (3.70%) LPIC
4 1 (3.70%) RHCA
Quality Assurance & Compliance
1 2 (7.41%) ISO/IEC 27001
2 1 (3.70%) GDPR
2 1 (3.70%) PCI DSS
2 1 (3.70%) SLA
System Software
1 12 (44.44%) Docker
2 7 (25.93%) VMware Infrastructure
3 6 (22.22%) Hyper-V
4 2 (7.41%) Active Directory
4 2 (7.41%) iptables
4 2 (7.41%) VirtualBox
5 1 (3.70%) KVM
5 1 (3.70%) NFS
5 1 (3.70%) pfSense
5 1 (3.70%) Postfix
5 1 (3.70%) PowerDNS
5 1 (3.70%) Squid
5 1 (3.70%) Virtual Machines
5 1 (3.70%) VMware ESXi
Systems Management
1 11 (40.74%) Ansible
1 11 (40.74%) Puppet
2 9 (33.33%) Kubernetes
3 6 (22.22%) Docker Swarm
3 6 (22.22%) Packer
3 6 (22.22%) Terraform
4 5 (18.52%) Consul
4 5 (18.52%) Grafana
4 5 (18.52%) Graphite
4 5 (18.52%) Prometheus
5 4 (14.81%) Opscode Chef
5 4 (14.81%) Opsview
6 3 (11.11%) Nagios
7 2 (7.41%) SELinux
8 1 (3.70%) Galera Cluster
8 1 (3.70%) Red Hat Spacewalk
8 1 (3.70%) rkt
Vendors
1 13 (48.15%) Microsoft
2 12 (44.44%) Red Hat
3 8 (29.63%) VMware
4 5 (18.52%) Splunk
5 1 (3.70%) arcserve
5 1 (3.70%) Atlassian
5 1 (3.70%) Google
5 1 (3.70%) McAfee
5 1 (3.70%) New Relic
5 1 (3.70%) SaltStack
5 1 (3.70%) Sophos