Period
to 18 February 2018

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 18 February 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
West London > Hammersmith
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 33 35 20
Rank change year-on-year +2 -15 -1
Permanent jobs citing CentOS 14 2 20
As % of all permanent IT jobs advertised in Hammersmith 5.30% 1.09% 9.30%
As % of the Operating Systems category 20.59% 2.60% 34.48%
Number of salaries quoted 14 2 20
Hammersmith median annual salary £38,750 £62,500 £65,000
Median salary % change year-on-year -38.00% -3.85% +44.44%
West London median annual salary £53,750 £61,250 £45,000
% change year-on-year -12.24% +36.11% -10.00%

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 Hammersmith with a requirement for operating system skills.

All Operating Systems
Hammersmith
Permanent vacancies with a requirement for operating system skills 68 77 58
As % of all permanent IT jobs advertised in Hammersmith 25.76% 41.85% 26.98%
Number of salaries quoted 67 76 45
Hammersmith median annual salary £40,000 £56,250 £65,000
Median salary % change year-on-year -28.89% -13.46% +62.50%
10th Percentile £29,000 £27,250 £30,350
90th Percentile £76,750 £82,500 £66,500
West London median annual salary £50,000 £47,000 £47,500
% change year-on-year +6.38% -1.05% +5.56%

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

CentOS
Salary Histogram in Hammersmith

The salary distribution of IT jobs citing CentOS in Hammersmith over the 6 months to 18 February 2018.

Salary histogram for CentOS in Hammersmith

For the 6 months to 18 February 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 Hammersmith region with a requirement for CentOS.

1 14 (100.00%) Linux
1 14 (100.00%) VMware
1 14 (100.00%) VMware Infrastructure
2 12 (85.71%) LDAP
2 12 (85.71%) HTTP
2 12 (85.71%) DNS
3 8 (57.14%) Cisco
3 8 (57.14%) Microsoft
3 8 (57.14%) Active Directory
3 8 (57.14%) HP
3 8 (57.14%) Kerberos
3 8 (57.14%) NFS
3 8 (57.14%) TCP/IP
3 8 (57.14%) SharePoint
3 8 (57.14%) Snort
3 8 (57.14%) Firewall
3 8 (57.14%) Games
3 8 (57.14%) Windows
3 8 (57.14%) DHCP
3 8 (57.14%) Nagios
3 8 (57.14%) Ubuntu
3 8 (57.14%) Xen
3 8 (57.14%) SCCM
3 8 (57.14%) 802.1X
4 7 (50.00%) Ansible
4 7 (50.00%) CheckPoint
5 6 (42.86%) Apache
5 6 (42.86%) Red Hat
5 6 (42.86%) NoSQL
5 6 (42.86%) Red Hat Enterprise Linux

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 8 (57.14%) SharePoint
2 6 (42.86%) Apache
3 4 (28.57%) nginx
4 1 (7.14%) MS Exchange
Cloud Services
1 4 (28.57%) Amazon AWS
1 4 (28.57%) Google Cloud Platform
1 4 (28.57%) Microsoft Azure
2 1 (7.14%) Office 365
Communications & Networking
1 12 (85.71%) DNS
1 12 (85.71%) HTTP
2 8 (57.14%) DHCP
2 8 (57.14%) Firewall
2 8 (57.14%) Kerberos
2 8 (57.14%) TCP/IP
3 4 (28.57%) IMAP
3 4 (28.57%) SMTP
4 1 (7.14%) PBX
Database & Business Intelligence
1 6 (42.86%) NoSQL
General
1 8 (57.14%) Games
Job Titles
1 7 (50.00%) Administrator
1 7 (50.00%) Systems Administrator
2 4 (28.57%) DevOps Engineer
3 3 (21.43%) Systems Engineer
4 2 (14.29%) Linux Administrator
4 2 (14.29%) Linux Systems Administrator
5 1 (7.14%) Firewall Administrator
5 1 (7.14%) Linux Engineer
5 1 (7.14%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 12 (85.71%) LDAP
2 8 (57.14%) 802.1X
3 4 (28.57%) Elastic Stack
3 4 (28.57%) RESTful
3 4 (28.57%) SOAP
Miscellaneous
1 1 (7.14%) Online Games
Operating Systems
1 14 (100.00%) Linux
2 8 (57.14%) Ubuntu
2 8 (57.14%) Windows
3 6 (42.86%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (35.71%) Configuration Management
2 4 (28.57%) DevOps
Programming Languages
1 4 (28.57%) Groovy
1 4 (28.57%) Java
1 4 (28.57%) PHP
1 4 (28.57%) Python
1 4 (28.57%) Ruby
2 2 (14.29%) Bash Shell
Qualifications
1 6 (42.86%) SC Cleared
1 6 (42.86%) Security Cleared
System Software
1 14 (100.00%) VMware Infrastructure
2 8 (57.14%) Active Directory
2 8 (57.14%) NFS
2 8 (57.14%) Snort
2 8 (57.14%) Xen
3 2 (14.29%) Dovecot
Systems Management
1 8 (57.14%) Nagios
1 8 (57.14%) SCCM
2 7 (50.00%) Ansible
3 5 (35.71%) Puppet
4 4 (28.57%) Opscode Chef
Vendors
1 14 (100.00%) VMware
2 8 (57.14%) Cisco
2 8 (57.14%) HP
2 8 (57.14%) Microsoft
3 7 (50.00%) CheckPoint
4 6 (42.86%) Red Hat
5 4 (28.57%) Google
6 1 (7.14%) McAfee
6 1 (7.14%) Veeam