Period
to 25 July 2017

The following table provides summary statistics for permanent job vacancies advertised in Hammersmith 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 25 July 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
West London > Hammersmith
6 months to
25 Jul 2017
Same period 2016 Same period 2015
Rank 58 24 29
Rank change year-on-year -34 +5 +8
Permanent jobs citing CentOS 3 8 14
As % of all permanent IT jobs advertised in Hammersmith 0.83% 5.13% 7.82%
As % of the Operating Systems category 1.96% 16.67% 26.92%
Number of salaries quoted 3 8 14
Hammersmith median annual salary £70,000 £65,000 £47,500
Median salary % change year-on-year +7.69% +36.84% +58.33%
10th Percentile £68,000 £49,313 £33,000
90th Percentile £80,500 £65,000 £66,250
West London median annual salary £65,000 £42,500 £50,000
% change year-on-year +52.94% -15.00% +8.11%

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hammersmith with a requirement for operating system skills.

Operating System Skills
Hammersmith
Permanent job vacancies with a requirement for operating system skills 153 48 52
As % of all permanent IT job vacancies advertised in Hammersmith 42.50% 30.77% 29.05%
Number of salaries quoted 147 43 43
Hammersmith median annual salary £60,000 £52,500 £45,000
Median salary % change year-on-year +14.29% +16.67% +20.00%
10th Percentile £41,500 £32,100 £23,500
90th Percentile £82,500 £67,500 £66,250
West London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% +0.56%

CentOS
Job Vacancy Trend in Hammersmith

Job postings citing CentOS as a percentage of all IT jobs advertised in Hammersmith.

Job vacancy trend for CentOS in Hammersmith

CentOS
Salary Trend in Hammersmith

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

Salary trend for CentOS in Hammersmith

For the 6 months to 25 July 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 Hammersmith region with a requirement for CentOS.

1 3 (100.00%) Linux
1 3 (100.00%) DNS
1 3 (100.00%) Red Hat Enterprise Linux
1 3 (100.00%) Opscode Chef
1 3 (100.00%) Ansible
1 3 (100.00%) DevOps
2 2 (66.67%) Elastic Stack
2 2 (66.67%) VMware Infrastructure
2 2 (66.67%) Groovy
2 2 (66.67%) Ruby
2 2 (66.67%) IMAP
2 2 (66.67%) nginx
2 2 (66.67%) RESTful
2 2 (66.67%) NoSQL
2 2 (66.67%) Red Hat
2 2 (66.67%) LDAP
2 2 (66.67%) SMTP
2 2 (66.67%) HTTP
2 2 (66.67%) Configuration Management
2 2 (66.67%) VMware
2 2 (66.67%) Apache
2 2 (66.67%) Java
2 2 (66.67%) SOAP
3 1 (33.33%) Web Services
3 1 (33.33%) PHP
3 1 (33.33%) Python
3 1 (33.33%) OOP
3 1 (33.33%) OO
3 1 (33.33%) Agile Software Development
3 1 (33.33%) Software Engineering

CentOS
Co-occurring IT Skills in Hammersmith 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 2 (66.67%) Apache
1 2 (66.67%) nginx
2 1 (33.33%) Elasticsearch
Cloud Services
1 1 (33.33%) Amazon AWS
1 1 (33.33%) Google Cloud Platform
1 1 (33.33%) Microsoft Azure
Communications & Networking
1 3 (100.00%) DNS
2 2 (66.67%) HTTP
2 2 (66.67%) IMAP
2 2 (66.67%) LDAP
2 2 (66.67%) SMTP
Database & Business Intelligence
1 2 (66.67%) NoSQL
2 1 (33.33%) Relational Database
Development Applications
1 1 (33.33%) Git (software)
1 1 (33.33%) Jenkins
1 1 (33.33%) Mercurial
1 1 (33.33%) TeamCity
Job Titles
1 3 (100.00%) DevOps Engineer
2 1 (33.33%) Linux DevOps Engineer
2 1 (33.33%) Linux Engineer
2 1 (33.33%) Linux/Unix DevOps
2 1 (33.33%) Monitoring Engineer
Libraries, Frameworks & Software Standards
1 2 (66.67%) Elastic Stack
1 2 (66.67%) RESTful
1 2 (66.67%) SOAP
2 1 (33.33%) Web Services
Miscellaneous
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Computer Science
Operating Systems
1 3 (100.00%) Linux
1 3 (100.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 3 (100.00%) DevOps
2 2 (66.67%) Configuration Management
3 1 (33.33%) Agile Software Development
3 1 (33.33%) Continuous Improvement
3 1 (33.33%) Continuous Integration
3 1 (33.33%) High Availability
3 1 (33.33%) OO
3 1 (33.33%) OOP
3 1 (33.33%) Security Patching
3 1 (33.33%) Software Engineering
Programming Languages
1 2 (66.67%) Groovy
1 2 (66.67%) Java
1 2 (66.67%) Ruby
2 1 (33.33%) PHP
2 1 (33.33%) Python
2 1 (33.33%) Shell Script
Qualifications
1 1 (33.33%) Computer Science Degree
1 1 (33.33%) Degree
1 1 (33.33%) SC Cleared
1 1 (33.33%) Security Cleared
System Software
1 2 (66.67%) VMware Infrastructure
Systems Management
1 3 (100.00%) Ansible
1 3 (100.00%) Opscode Chef
2 1 (33.33%) Kibana
2 1 (33.33%) logstash
2 1 (33.33%) Puppet
2 1 (33.33%) ZABBIX
Vendors
1 2 (66.67%) Red Hat
1 2 (66.67%) VMware
2 1 (33.33%) Google