Period
to 22 November 2017

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 22 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > West Midlands
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 262 296 292
Rank change year-on-year +34 -4 -1
Permanent jobs citing CentOS 66 36 29
As % of all permanent IT jobs advertised in the West Midlands 0.65% 0.31% 0.27%
As % of the Operating Systems category 3.17% 1.56% 1.33%
Number of salaries quoted 62 21 26
West Midlands median annual salary £36,500 £52,500 £40,750
Median salary % change year-on-year -30.48% +28.83% +25.38%
10th Percentile £28,875 £32,500 £33,000
90th Percentile £56,625 £71,250 £60,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 2081 2307 2185
As % of all permanent IT jobs advertised in the West Midlands 20.46% 20.09% 20.28%
Number of salaries quoted 1823 1925 1898
West Midlands median annual salary £36,000 £35,000 £37,500
Median salary % change year-on-year +2.86% -6.67% +5.63%
10th Percentile £22,500 £21,250 £22,000
90th Percentile £54,800 £56,250 £55,000
England median annual salary £45,000 £45,000 £45,000

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 22 November 2017.

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 22 November 2017. 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
Halesowen - 25 £45,000 - 2
Birmingham +26 21 £37,750 -44.07%
Warwickshire -1 13 £32,500 -
Coventry +3 3 £36,500 +7.35%
Worcestershire -8 3 £46,000 -4.17% 1
Staffordshire - 1 £55,000 -
CentOS
England

For the 6 months to 22 November 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the West Midlands region with a requirement for CentOS.

1 66 (100.00%) Linux
2 53 (80.30%) Red Hat
3 47 (71.21%) Ubuntu
4 46 (69.70%) Apache
5 42 (63.64%) MySQL
6 33 (50.00%) Debian
7 31 (46.97%) Games
7 31 (46.97%) Billing
7 31 (46.97%) Subversion
7 31 (46.97%) Git (software)
7 31 (46.97%) MongoDB
7 31 (46.97%) NoSQL
7 31 (46.97%) C++
7 31 (46.97%) XML
7 31 (46.97%) Eclipse
7 31 (46.97%) SMS
7 31 (46.97%) Business Intelligence
7 31 (46.97%) Redis
8 28 (42.42%) Mobile Payment
9 26 (39.39%) BBC
10 22 (33.33%) Windows
11 21 (31.82%) Bash Shell
12 15 (22.73%) DNS
12 15 (22.73%) Red Hat Enterprise Linux
13 13 (19.70%) VMware
13 13 (19.70%) Linux Command Line
14 11 (16.67%) Cisco
14 11 (16.67%) Microsoft
15 10 (15.15%) Tomcat
15 10 (15.15%) Active Directory

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 46 (69.70%) Apache
2 10 (15.15%) Tomcat
3 3 (4.55%) IIS
3 3 (4.55%) nginx
3 3 (4.55%) SharePoint
Applications
1 3 (4.55%) Microsoft Office
Cloud Services
1 6 (9.09%) Amazon AWS
2 2 (3.03%) Amazon CloudWatch
2 2 (3.03%) AWS CloudFormation
2 2 (3.03%) Datadog
2 2 (3.03%) Google Cloud Platform
2 2 (3.03%) Microsoft Azure
Communications & Networking
1 31 (46.97%) SMS
2 15 (22.73%) DNS
3 8 (12.12%) Firewall
4 6 (9.09%) SAN
5 4 (6.06%) TCP/IP
6 3 (4.55%) Cisco Nexus
6 3 (4.55%) DHCP
6 3 (4.55%) Internet
6 3 (4.55%) SMTP
6 3 (4.55%) VPN
7 2 (3.03%) HTTP
8 1 (1.52%) FTP
8 1 (1.52%) IMAP
8 1 (1.52%) LDAP
8 1 (1.52%) Network Security
8 1 (1.52%) OpenLDAP
8 1 (1.52%) S/MIME
8 1 (1.52%) SSH
8 1 (1.52%) Unified Communications
Database & Business Intelligence
1 42 (63.64%) MySQL
2 31 (46.97%) MongoDB
2 31 (46.97%) NoSQL
2 31 (46.97%) Redis
3 8 (12.12%) SQL Server
4 7 (10.61%) SQL Server 2008
4 7 (10.61%) SQL Server 2012
5 5 (7.58%) MariaDB
6 2 (3.03%) PostgreSQL
Development Applications
1 31 (46.97%) Eclipse
1 31 (46.97%) Git (software)
1 31 (46.97%) Subversion
2 2 (3.03%) Atlassian Bamboo
2 2 (3.03%) Jenkins
2 2 (3.03%) PHPUnit
2 2 (3.03%) Travis CI
2 2 (3.03%) Vagrant
2 2 (3.03%) Xdebug
General
1 31 (46.97%) Billing
1 31 (46.97%) Games
2 5 (7.58%) Back Office
3 3 (4.55%) Finance
Job Titles
1 17 (25.76%) C++ Programmer
1 17 (25.76%) Programmer
2 10 (15.15%) Administrator
2 10 (15.15%) Linux Administrator
3 9 (13.64%) Analyst
3 9 (13.64%) Technical Analyst
4 8 (12.12%) Linux Engineer
5 7 (10.61%) DevOps Engineer
6 6 (9.09%) Linux Systems Administrator
6 6 (9.09%) Systems Administrator
7 5 (7.58%) Linux DevOps Engineer
7 5 (7.58%) Linux/Unix DevOps
8 4 (6.06%) AWS DevOps
8 4 (6.06%) AWS DevOps Engineer
8 4 (6.06%) AWS Engineer
9 2 (3.03%) 3rd Line Engineer
9 2 (3.03%) IT Engineer
9 2 (3.03%) IT Support
9 2 (3.03%) Linux Support
9 2 (3.03%) Linux Support Engineer
Libraries, Frameworks & Software Standards
1 31 (46.97%) XML
2 10 (15.15%) LAMP
2 10 (15.15%) LEMP Stack
3 4 (6.06%) Web Services
4 2 (3.03%) Elastic Stack
4 2 (3.03%) jQuery
5 1 (1.52%) LAPP Stack
Miscellaneous
1 28 (42.42%) Mobile Payment
2 26 (39.39%) BBC
3 13 (19.70%) Linux Command Line
4 8 (12.12%) Clustering
5 7 (10.61%) Handset
6 6 (9.09%) Data Centre
7 2 (3.03%) Analytical Skills
8 1 (1.52%) iPad
8 1 (1.52%) Replication
Operating Systems
1 66 (100.00%) Linux
2 47 (71.21%) Ubuntu
3 33 (50.00%) Debian
4 22 (33.33%) Windows
5 15 (22.73%) Red Hat Enterprise Linux
6 10 (15.15%) Mac OS X
7 9 (13.64%) Windows Server
8 5 (7.58%) Windows Server 2008
9 3 (4.55%) Fedora
9 3 (4.55%) Windows Server 2012
10 2 (3.03%) DC/OS
11 1 (1.52%) Solaris
11 1 (1.52%) SUSE
11 1 (1.52%) Unix
Processes & Methodologies
1 31 (46.97%) Business Intelligence
2 7 (10.61%) Business Continuity
2 7 (10.61%) Business Continuity Planning
2 7 (10.61%) DevOps
2 7 (10.61%) Disaster Recovery
2 7 (10.61%) Open Source
3 5 (7.58%) Service Delivery
4 4 (6.06%) Agile Software Development
4 4 (6.06%) Change Control
4 4 (6.06%) High Availability
4 4 (6.06%) Information Security
4 4 (6.06%) Network Management
5 3 (4.55%) Matrix Management
5 3 (4.55%) Proactive Monitoring
5 3 (4.55%) Risk Management
5 3 (4.55%) Root Cause Analysis
6 2 (3.03%) Configuration Management
6 2 (3.03%) Continuous Integration
6 2 (3.03%) OOP
6 2 (3.03%) Web Development
Programming Languages
1 31 (46.97%) C++
2 21 (31.82%) Bash Shell
3 9 (13.64%) Python
4 8 (12.12%) Shell Script
5 6 (9.09%) Perl
5 6 (9.09%) PHP
6 2 (3.03%) SQL
Qualifications
1 4 (6.06%) CCNA
1 4 (6.06%) Cisco Certification
1 4 (6.06%) MCSA
1 4 (6.06%) Microsoft Certification
2 2 (3.03%) Security Cleared
3 1 (1.52%) RHCE
Quality Assurance & Compliance
1 3 (4.55%) SLA
System Software
1 10 (15.15%) Active Directory
2 8 (12.12%) vSphere
3 7 (10.61%) VMware ESXi
4 6 (9.09%) VMware Infrastructure
5 4 (6.06%) Postfix
6 2 (3.03%) Docker
6 2 (3.03%) Hyper-V
6 2 (3.03%) Virtual Machines
6 2 (3.03%) VirtualBox
7 1 (1.52%) iptables
7 1 (1.52%) Sendmail
Systems Management
1 8 (12.12%) Nagios
2 7 (10.61%) vCenter Server
3 4 (6.06%) Cacti
3 4 (6.06%) Icinga
4 3 (4.55%) Puppet
4 3 (4.55%) SCCM
4 3 (4.55%) Simpana
5 2 (3.03%) Ansible
5 2 (3.03%) Docker Swarm
5 2 (3.03%) Kubernetes
5 2 (3.03%) Opscode Chef
5 2 (3.03%) Packer
5 2 (3.03%) Terraform
6 1 (1.52%) Galera Cluster
6 1 (1.52%) Red Hat Spacewalk
6 1 (1.52%) SELinux
Vendors
1 53 (80.30%) Red Hat
2 13 (19.70%) VMware
3 11 (16.67%) Cisco
3 11 (16.67%) Microsoft
4 8 (12.12%) Juniper
5 5 (7.58%) Google
6 3 (4.55%) CommVault
6 3 (4.55%) F5
7 2 (3.03%) New Relic
7 2 (3.03%) Splunk
8 1 (1.52%) Proofpoint
8 1 (1.52%) Twitter