Period
to 21 May 2018

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

CentOS Linux
West Midlands > Birmingham
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 178 175 197
Rank change year-on-year -3 +22 -34
Permanent jobs citing CentOS 18 8 7
As % of all permanent IT jobs advertised in Birmingham 0.49% 0.22% 0.16%
As % of the Operating Systems category 2.58% 1.20% 0.87%
Number of salaries quoted 20 6 6
Birmingham median annual salary £42,500 £35,000 £35,000
Median salary % change year-on-year +21.43% - +7.69%
10th Percentile £38,500 £32,500 £28,125
90th Percentile £55,250 £42,500 £41,875
West Midlands median annual salary £40,000 £40,000 £44,750
% change year-on-year - -10.61% +37.69%

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 698 667 801
As % of all permanent IT jobs advertised in Birmingham 18.81% 18.01% 17.75%
Number of salaries quoted 551 566 673
Birmingham median annual salary £40,000 £38,750 £37,500
Median salary % change year-on-year +3.23% +3.33% -
10th Percentile £22,500 £25,127 £22,500
90th Percentile £62,500 £55,000 £55,000
West Midlands median annual salary £37,500 £36,500 £37,500
% change year-on-year +2.74% -2.67% +7.14%

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 21 May 2018.

Salary histogram for CentOS in Birmingham

For the 6 months to 21 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 Birmingham region with a requirement for CentOS.

1 18 (100.00%) Linux
2 16 (88.89%) MySQL
3 12 (66.67%) VMware
4 9 (50.00%) SQL
4 9 (50.00%) Windows Server
4 9 (50.00%) Windows
5 7 (38.89%) Migration
5 7 (38.89%) Load Balancing
5 7 (38.89%) Amazon AWS
6 6 (33.33%) Business Continuity
7 5 (27.78%) Nagios
7 5 (27.78%) Apache
7 5 (27.78%) Git (software)
7 5 (27.78%) nginx
7 5 (27.78%) VMware Infrastructure
7 5 (27.78%) Ubuntu
7 5 (27.78%) Puppet
7 5 (27.78%) OpenStack
7 5 (27.78%) Jenkins
7 5 (27.78%) KVM
7 5 (27.78%) Docker
7 5 (27.78%) DevOps
8 4 (22.22%) High Availability
8 4 (22.22%) Clustering
9 2 (11.11%) XML
9 2 (11.11%) Replication
9 2 (11.11%) Firewall
9 2 (11.11%) Microsoft Excel
9 2 (11.11%) Data Warehouse
9 2 (11.11%) LAN

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 5 (27.78%) Apache
1 5 (27.78%) nginx
1 5 (27.78%) OpenStack
Applications
1 2 (11.11%) Microsoft Excel
1 2 (11.11%) Spreadsheet
Cloud Services
1 7 (38.89%) Amazon AWS
Communications & Networking
1 2 (11.11%) Firewall
1 2 (11.11%) LAN
1 2 (11.11%) SAN
1 2 (11.11%) SSL
1 2 (11.11%) VPN
1 2 (11.11%) WAN
2 1 (5.56%) SMS
Database & Business Intelligence
1 16 (88.89%) MySQL
2 2 (11.11%) Data Warehouse
2 2 (11.11%) MariaDB
Development Applications
1 5 (27.78%) Git (software)
1 5 (27.78%) Jenkins
Job Titles
1 8 (44.44%) Administrator
2 7 (38.89%) Infrastructure Engineer
3 6 (33.33%) Systems Administrator
4 5 (27.78%) DevOps Administrator
4 5 (27.78%) DevOps Engineer
4 5 (27.78%) DevOps Systems Engineer
4 5 (27.78%) Linux Administrator
4 5 (27.78%) Linux DevOps Administrator
4 5 (27.78%) Linux DevOps Engineer
4 5 (27.78%) Linux Engineer
4 5 (27.78%) Linux Systems Administrator
4 5 (27.78%) Linux Systems Engineer
4 5 (27.78%) Linux/Unix DevOps
4 5 (27.78%) Nagios Administrator
4 5 (27.78%) Nagios Engineer
4 5 (27.78%) Systems Engineer
4 5 (27.78%) Ubuntu Administrator
4 5 (27.78%) Ubuntu Engineer
5 4 (22.22%) DBA
6 2 (11.11%) Developer
Libraries, Frameworks & Software Standards
1 2 (11.11%) HTML
1 2 (11.11%) XML
Miscellaneous
1 4 (22.22%) Clustering
2 2 (11.11%) Computer Science
2 2 (11.11%) Linux Command Line
2 2 (11.11%) Replication
Operating Systems
1 18 (100.00%) Linux
2 9 (50.00%) Windows
2 9 (50.00%) Windows Server
3 5 (27.78%) Ubuntu
Processes & Methodologies
1 7 (38.89%) Load Balancing
1 7 (38.89%) Migration
2 6 (33.33%) Business Continuity
3 5 (27.78%) DevOps
4 4 (22.22%) High Availability
5 2 (11.11%) Analytics
5 2 (11.11%) Business Intelligence
5 2 (11.11%) Capacity Planning
5 2 (11.11%) Network Design
5 2 (11.11%) Network Virtualisation
5 2 (11.11%) Security Hardening
5 2 (11.11%) Server Virtualisation
Programming Languages
1 9 (50.00%) SQL
2 2 (11.11%) JavaScript
2 2 (11.11%) PHP
2 2 (11.11%) VBA
Qualifications
1 2 (11.11%) Computer Science Degree
1 2 (11.11%) Degree
System Software
1 5 (27.78%) Docker
1 5 (27.78%) KVM
1 5 (27.78%) VMware Infrastructure
2 2 (11.11%) Active Directory
2 2 (11.11%) Firmware
Systems Management
1 5 (27.78%) Nagios
1 5 (27.78%) Puppet
2 2 (11.11%) Galera Cluster
2 2 (11.11%) SELinux
Vendors
1 12 (66.67%) VMware
2 2 (11.11%) Microsoft
2 2 (11.11%) Red Hat
2 2 (11.11%) SonicWALL