Period
to 21 July 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 July 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > West Midlands
6 months to
21 Jul 2018
Same period 2017 Same period 2016
Rank 270 276 314
Rank change year-on-year +6 +38 -11
Permanent jobs citing CentOS 37 56 37
As % of all permanent IT jobs advertised in the West Midlands 0.39% 0.55% 0.30%
As % of the Operating Systems category 2.09% 2.61% 1.53%
Number of salaries quoted 29 46 26
West Midlands median annual salary £42,500 £35,000 £46,000
Median salary % change year-on-year +21.43% -23.91% +15.00%
10th Percentile £37,300 £23,750 £31,625
90th Percentile £57,500 £47,500 £64,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +8.11%

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 1,772 2,146 2,414
As % of all permanent IT jobs advertised in the West Midlands 18.84% 21.18% 19.50%
Number of salaries quoted 1,418 1,861 2,008
West Midlands median annual salary £37,500 £36,000 £35,000
Median salary % change year-on-year +4.17% +2.86% -1.85%
10th Percentile £21,750 £23,250 £21,250
90th Percentile £60,000 £53,750 £57,500
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +3.45%

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 July 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 July 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 +2 20 £42,500 +21.43% 3
Worcestershire +28 9 £33,750 -15.63% 1
Staffordshire - 8 £50,000 - 2
Halesowen +6 2 £40,000 -11.11%
CentOS
England

For the 6 months to 21 July 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 37 (100.00%) Linux
2 28 (75.68%) MySQL
3 18 (48.65%) Windows
4 14 (37.84%) Red Hat
4 14 (37.84%) VMware
5 13 (35.14%) Amazon AWS
5 13 (35.14%) Windows Server
6 12 (32.43%) SQL
6 12 (32.43%) Apache
7 11 (29.73%) Nagios
8 9 (24.32%) Clustering
8 9 (24.32%) Python
8 9 (24.32%) DNS
8 9 (24.32%) Puppet
8 9 (24.32%) Red Hat Enterprise Linux
8 9 (24.32%) Ubuntu
9 8 (21.62%) Migration
9 8 (21.62%) SELinux
10 7 (18.92%) Docker
10 7 (18.92%) PostgreSQL
10 7 (18.92%) RHCE
10 7 (18.92%) ITIL
10 7 (18.92%) Squid
10 7 (18.92%) Load Balancing
10 7 (18.92%) High Availability
11 6 (16.22%) Change Control
11 6 (16.22%) VMware Infrastructure
11 6 (16.22%) Git (software)
11 6 (16.22%) Business Continuity
11 6 (16.22%) PHP

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 12 (32.43%) Apache
2 5 (13.51%) nginx
3 4 (10.81%) OpenStack
4 3 (8.11%) IIS
Applications
1 2 (5.41%) Microsoft Excel
1 2 (5.41%) Spreadsheet
Cloud Services
1 13 (35.14%) Amazon AWS
2 5 (13.51%) Microsoft Azure
3 4 (10.81%) Office 365
4 3 (8.11%) Virtual Private Cloud
5 1 (2.70%) Amazon EC2
5 1 (2.70%) Amazon S3
5 1 (2.70%) AWS CloudFormation
5 1 (2.70%) CloudFront
Communications & Networking
1 9 (24.32%) DNS
2 5 (13.51%) Firewall
2 5 (13.51%) SSH
2 5 (13.51%) VPN
3 3 (8.11%) SMS
3 3 (8.11%) SSL
4 2 (5.41%) FTP
4 2 (5.41%) LAN
4 2 (5.41%) Network Security
4 2 (5.41%) SAN
4 2 (5.41%) WAN
5 1 (2.70%) HTTP
5 1 (2.70%) HTTPS
5 1 (2.70%) Kerberos
Database & Business Intelligence
1 28 (75.68%) MySQL
2 7 (18.92%) PostgreSQL
3 4 (10.81%) MariaDB
3 4 (10.81%) SQL Server
4 3 (8.11%) Amazon RDS
4 3 (8.11%) SQL Server 2016
5 2 (5.41%) Data Warehouse
5 2 (5.41%) MongoDB
5 2 (5.41%) NoSQL
5 2 (5.41%) Redis
Development Applications
1 6 (16.22%) Git (software)
1 6 (16.22%) Jenkins
2 2 (5.41%) Eclipse
2 2 (5.41%) Subversion
3 1 (2.70%) Atlassian Bamboo
3 1 (2.70%) Travis CI
General
1 4 (10.81%) Legal
2 3 (8.11%) Retail
3 2 (5.41%) Billing
3 2 (5.41%) Games
4 1 (2.70%) Automotive
4 1 (2.70%) Back Office
4 1 (2.70%) Finance
Job Titles
1 14 (37.84%) Linux Engineer
2 12 (32.43%) Administrator
3 8 (21.62%) Senior Linux Engineer
4 7 (18.92%) Infrastructure Engineer
4 7 (18.92%) Systems Administrator
5 6 (16.22%) DBA
5 6 (16.22%) DevOps Engineer
5 6 (16.22%) Linux DevOps Engineer
5 6 (16.22%) Linux/Unix DevOps
6 5 (13.51%) Developer
6 5 (13.51%) Linux Administrator
6 5 (13.51%) Linux Systems Administrator
7 4 (10.81%) DevOps Administrator
7 4 (10.81%) Linux Systems Engineer
7 4 (10.81%) MySQL DBA
7 4 (10.81%) MySQL Developer
7 4 (10.81%) Security Administrator
7 4 (10.81%) Systems Engineer
7 4 (10.81%) Ubuntu Administrator
7 4 (10.81%) Ubuntu Engineer
Libraries, Frameworks & Software Standards
1 6 (16.22%) LAMP
2 4 (10.81%) LAPP Stack
2 4 (10.81%) XML
3 2 (5.41%) HTML
4 1 (2.70%) Ajax
4 1 (2.70%) Elastic Stack
4 1 (2.70%) jQuery
4 1 (2.70%) LDAP
4 1 (2.70%) LEMP Stack
Miscellaneous
1 9 (24.32%) Clustering
2 4 (10.81%) Computer Science
2 4 (10.81%) Data Centre
2 4 (10.81%) Linux Command Line
2 4 (10.81%) Replication
3 3 (8.11%) Fintech
3 3 (8.11%) Private Cloud
4 2 (5.41%) BBC
5 1 (2.70%) Analytical Skills
5 1 (2.70%) Self-Motivation
Operating Systems
1 37 (100.00%) Linux
2 18 (48.65%) Windows
3 13 (35.14%) Windows Server
4 9 (24.32%) Red Hat Enterprise Linux
4 9 (24.32%) Ubuntu
5 4 (10.81%) Debian
5 4 (10.81%) Windows Server 2008
6 3 (8.11%) Mac OS X
6 3 (8.11%) Unix
6 3 (8.11%) Windows 10
6 3 (8.11%) Windows Server 2012
7 1 (2.70%) DC/OS
7 1 (2.70%) Fedora
Processes & Methodologies
1 8 (21.62%) Migration
2 7 (18.92%) High Availability
2 7 (18.92%) ITIL
2 7 (18.92%) Load Balancing
3 6 (16.22%) Business Continuity
3 6 (16.22%) Change Control
3 6 (16.22%) Cybersecurity
3 6 (16.22%) DevOps
3 6 (16.22%) Server Hardening
4 4 (10.81%) Business Intelligence
4 4 (10.81%) IT Strategy
5 3 (8.11%) Expense Management
6 2 (5.41%) Analytics
6 2 (5.41%) Configuration Management
6 2 (5.41%) Line Management
6 2 (5.41%) Network Virtualisation
6 2 (5.41%) Security Hardening
6 2 (5.41%) Server Virtualisation
6 2 (5.41%) Service Delivery
6 2 (5.41%) Virtual Environments
Programming Languages
1 12 (32.43%) SQL
2 9 (24.32%) Python
3 6 (16.22%) PHP
3 6 (16.22%) Shell Script
4 4 (10.81%) Perl
5 3 (8.11%) JavaScript
6 2 (5.41%) Bash Shell
6 2 (5.41%) C
6 2 (5.41%) C++
6 2 (5.41%) Ruby
6 2 (5.41%) VBA
Qualifications
1 7 (18.92%) RHCE
2 4 (10.81%) CompTIA Security+
2 4 (10.81%) Computer Science Degree
2 4 (10.81%) Degree
2 4 (10.81%) ITIL Foundation Certificate
3 2 (5.41%) DV Cleared
3 2 (5.41%) Security Cleared
4 1 (2.70%) AWS Certification
4 1 (2.70%) Linux+ Certification
4 1 (2.70%) LPIC
4 1 (2.70%) RHCA
4 1 (2.70%) RHCSA
Quality Assurance & Compliance
1 5 (13.51%) ISO/IEC 27001
2 4 (10.81%) PCI DSS
3 1 (2.70%) GDPR
3 1 (2.70%) SLA
System Software
1 7 (18.92%) Docker
1 7 (18.92%) Squid
2 6 (16.22%) Active Directory
2 6 (16.22%) iptables
2 6 (16.22%) VMware Infrastructure
3 5 (13.51%) Hyper-V
4 4 (10.81%) KVM
4 4 (10.81%) VMware ESXi
5 2 (5.41%) Firmware
5 2 (5.41%) Postfix
6 1 (2.70%) NFS
6 1 (2.70%) PowerDNS
6 1 (2.70%) VirtualBox
Systems Management
1 11 (29.73%) Nagios
2 9 (24.32%) Puppet
3 8 (21.62%) SELinux
4 4 (10.81%) Galera Cluster
5 3 (8.11%) Ansible
5 3 (8.11%) Opscode Chef
6 2 (5.41%) Kubernetes
6 2 (5.41%) Red Hat Spacewalk
7 1 (2.70%) Docker Swarm
Vendors
1 14 (37.84%) Red Hat
1 14 (37.84%) VMware
2 3 (8.11%) Atlassian
2 3 (8.11%) BT
3 2 (5.41%) Microsoft
3 2 (5.41%) SonicWALL
4 1 (2.70%) SaltStack