Period
to 27 May 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 27 May 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > West Midlands
6 months to
27 May 2018
Same period 2017 Same period 2016
Rank 259 255 318
Rank change year-on-year -4 +63 -32
Permanent jobs citing CentOS 48 58 33
As % of all permanent IT jobs advertised in the West Midlands 0.51% 0.59% 0.27%
As % of the Operating Systems category 2.52% 2.78% 1.40%
Number of salaries quoted 40 47 28
West Midlands median annual salary £40,125 £40,000 £45,500
Median salary % change year-on-year +0.31% -12.09% +40.00%
10th Percentile £32,500 £24,250 £31,250
90th Percentile £55,250 £56,500 £64,000
England median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +16.67%

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 1,901 2,084 2,358
As % of all permanent IT jobs advertised in the West Midlands 20.25% 21.36% 19.56%
Number of salaries quoted 1,508 1,804 1,973
West Midlands median annual salary £37,500 £36,500 £37,500
Median salary % change year-on-year +2.74% -2.67% +7.14%
10th Percentile £21,250 £22,538 £21,250
90th Percentile £60,000 £55,000 £57,500
England median annual salary £47,500 £45,000 £44,794
% change year-on-year +5.56% +0.46% +5.40%

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 27 May 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 27 May 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 +5 18 £42,500 +21.43% 4
Halesowen +4 12 £40,000 -11.11% 2
Staffordshire - 9 £55,000 - 1
Worcestershire +33 5 - - 1
Solihull +11 3 £28,000 -27.74% 1
Sutton Coldfield - 3 £39,500 -
CentOS
England

For the 6 months to 27 May 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 48 (100.00%) Linux
2 37 (77.08%) MySQL
3 25 (52.08%) Apache
4 23 (47.92%) Red Hat
5 21 (43.75%) Windows
6 17 (35.42%) Ubuntu
6 17 (35.42%) Git (software)
6 17 (35.42%) Windows Server
7 16 (33.33%) VMware
8 15 (31.25%) Debian
9 14 (29.17%) XML
9 14 (29.17%) Business Intelligence
9 14 (29.17%) SQL
10 13 (27.08%) SMS
11 12 (25.00%) BBC
11 12 (25.00%) Eclipse
11 12 (25.00%) C++
11 12 (25.00%) Games
11 12 (25.00%) Billing
11 12 (25.00%) Subversion
11 12 (25.00%) Amazon AWS
11 12 (25.00%) MongoDB
11 12 (25.00%) NoSQL
11 12 (25.00%) Redis
12 10 (20.83%) Firewall
12 10 (20.83%) Clustering
12 10 (20.83%) Nagios
13 9 (18.75%) LAMP
14 8 (16.67%) DNS
14 8 (16.67%) Squid

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 25 (52.08%) Apache
2 5 (10.42%) IIS
2 5 (10.42%) nginx
2 5 (10.42%) OpenStack
Applications
1 2 (4.17%) Microsoft Excel
1 2 (4.17%) Spreadsheet
Cloud Services
1 12 (25.00%) Amazon AWS
2 5 (10.42%) Microsoft Azure
2 5 (10.42%) Office 365
2 5 (10.42%) Virtual Private Cloud
Communications & Networking
1 13 (27.08%) SMS
2 10 (20.83%) Firewall
3 8 (16.67%) DNS
4 7 (14.58%) SSH
4 7 (14.58%) VPN
5 3 (6.25%) Internet
6 2 (4.17%) FTP
6 2 (4.17%) LAN
6 2 (4.17%) Network Security
6 2 (4.17%) SAN
6 2 (4.17%) SSL
6 2 (4.17%) WAN
Database & Business Intelligence
1 37 (77.08%) MySQL
2 12 (25.00%) MongoDB
2 12 (25.00%) NoSQL
2 12 (25.00%) Redis
3 6 (12.50%) PostgreSQL
4 5 (10.42%) Amazon RDS
4 5 (10.42%) SQL Server
4 5 (10.42%) SQL Server 2016
5 3 (6.25%) MariaDB
6 2 (4.17%) Data Warehouse
Development Applications
1 17 (35.42%) Git (software)
2 12 (25.00%) Eclipse
2 12 (25.00%) Subversion
3 6 (12.50%) Jenkins
4 1 (2.08%) Vagrant
General
1 12 (25.00%) Billing
1 12 (25.00%) Games
2 6 (12.50%) Back Office
3 5 (10.42%) Retail
4 3 (6.25%) Legal
4 3 (6.25%) Telecoms
Job Titles
1 13 (27.08%) Administrator
2 10 (20.83%) Infrastructure Engineer
2 10 (20.83%) Linux Engineer
3 6 (12.50%) C++ Programmer
3 6 (12.50%) Developer
3 6 (12.50%) Programmer
3 6 (12.50%) Systems Administrator
4 5 (10.42%) DBA
4 5 (10.42%) DevOps Administrator
4 5 (10.42%) DevOps Engineer
4 5 (10.42%) Linux Administrator
4 5 (10.42%) Linux DevOps Engineer
4 5 (10.42%) Linux Systems Administrator
4 5 (10.42%) Linux Systems Engineer
4 5 (10.42%) Senior Linux Engineer
4 5 (10.42%) Systems Engineer
4 5 (10.42%) Unix Administrator
4 5 (10.42%) Unix Systems Administrator
4 5 (10.42%) Windows Administrator
4 5 (10.42%) Windows Systems Administrator
Libraries, Frameworks & Software Standards
1 14 (29.17%) XML
2 9 (18.75%) LAMP
3 5 (10.42%) HTML
4 4 (8.33%) LAPP Stack
5 3 (6.25%) CodeIgniter
5 3 (6.25%) CSS
5 3 (6.25%) HTML5
5 3 (6.25%) jQuery
5 3 (6.25%) RESTful
Miscellaneous
1 12 (25.00%) BBC
2 10 (20.83%) Clustering
3 5 (10.42%) Data Centre
3 5 (10.42%) Fintech
3 5 (10.42%) Private Cloud
4 4 (8.33%) Linux Command Line
5 3 (6.25%) Computer Science
5 3 (6.25%) Replication
5 3 (6.25%) User Experience
6 2 (4.17%) Mobile Payment
Operating Systems
1 48 (100.00%) Linux
2 21 (43.75%) Windows
3 17 (35.42%) Ubuntu
3 17 (35.42%) Windows Server
4 15 (31.25%) Debian
5 5 (10.42%) Mac OS X
5 5 (10.42%) Unix
5 5 (10.42%) Windows 10
5 5 (10.42%) Windows Server 2008
5 5 (10.42%) Windows Server 2012
6 4 (8.33%) Red Hat Enterprise Linux
Processes & Methodologies
1 14 (29.17%) Business Intelligence
2 7 (14.58%) Cybersecurity
2 7 (14.58%) Load Balancing
2 7 (14.58%) Migration
3 6 (12.50%) Business Continuity
3 6 (12.50%) DevOps
3 6 (12.50%) ITIL
4 5 (10.42%) Change Control
4 5 (10.42%) Expense Management
4 5 (10.42%) High Availability
4 5 (10.42%) Server Hardening
5 3 (6.25%) Agile Software Development
5 3 (6.25%) IT Strategy
5 3 (6.25%) Microservices
6 2 (4.17%) Analytics
6 2 (4.17%) Line Management
6 2 (4.17%) Network Design
6 2 (4.17%) Network Virtualisation
6 2 (4.17%) Security Hardening
6 2 (4.17%) Server Virtualisation
Programming Languages
1 14 (29.17%) SQL
2 12 (25.00%) C++
3 6 (12.50%) Python
4 5 (10.42%) JavaScript
4 5 (10.42%) PHP
4 5 (10.42%) Shell Script
5 3 (6.25%) Bash Shell
5 3 (6.25%) Perl
6 2 (4.17%) C
6 2 (4.17%) VBA
Qualifications
1 5 (10.42%) RHCE
2 3 (6.25%) CompTIA Security+
2 3 (6.25%) Computer Science Degree
2 3 (6.25%) Degree
2 3 (6.25%) ITIL Foundation Certificate
3 2 (4.17%) DV Cleared
3 2 (4.17%) Security Cleared
4 1 (2.08%) ISEB
Quality Assurance & Compliance
1 5 (10.42%) PCI DSS
2 3 (6.25%) ISO/IEC 27001
System Software
1 8 (16.67%) Hyper-V
1 8 (16.67%) iptables
1 8 (16.67%) Squid
1 8 (16.67%) VMware Infrastructure
2 7 (14.58%) Active Directory
3 6 (12.50%) Docker
4 5 (10.42%) KVM
4 5 (10.42%) VMware ESXi
5 2 (4.17%) Firmware
5 2 (4.17%) Postfix
Systems Management
1 10 (20.83%) Nagios
2 8 (16.67%) Puppet
3 7 (14.58%) SELinux
4 3 (6.25%) Galera Cluster
5 2 (4.17%) Red Hat Spacewalk
6 1 (2.08%) Ansible
6 1 (2.08%) Opscode Chef
Vendors
1 23 (47.92%) Red Hat
2 16 (33.33%) VMware
3 5 (10.42%) Atlassian
3 5 (10.42%) BT
3 5 (10.42%) Microsoft
4 3 (6.25%) Cisco
5 2 (4.17%) SonicWALL