The following table provides summary statistics for permanent job vacancies advertised in the East of England with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 29 March 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England / East of England
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 224 252 241
Rank change year-on-year +28 -11  
Permanent jobs citing CentOS 29 20 34
As % of all permanent IT jobs advertised in the East of England 0.47% 0.27% 0.45%
As % of the Operating Systems category 1.98% 1.06% 1.64%
Number of salaries quoted 27 19 34
Median salary £45,000 £37,500 £52,500
Median salary % change year-on-year +20.00% -28.57%  
UK excluding London median salary £42,500 £45,000 £42,500
% change year-on-year -5.55% +5.88%  

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 the East of England with a requirement for operating system skills.

Operating System Skills
East of England
Permanent job vacancies with a requirement for operating system skills 1466 1885 2074
As % of all permanent IT job vacancies advertised in the East of England 23.71% 25.34% 27.45%
Number of salaries quoted 1151 1518 1710
Median salary £38,500 £36,000 £40,000
Median salary % change year-on-year +6.94% -10.00%  
90% offered a salary of more than £24,000 £22,500 £22,500
10% offered a salary of more than £55,000 £60,000 £55,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in the East of England

The job posting trend of jobs advertised in the East of England citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in the East of England

CentOS
Salary Trend in the East of England

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

Salary trend for CentOS in the East of England

CentOS
Salary Histogram in the East of England

The salary distribution of IT jobs citing CentOS in the East of England over the 3 months to 29 March 2017.

Salary histogram for CentOS in the East of England

CentOS
Job Locations in the East of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East of England region over the 3 months to 29 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hertfordshire +17 16 £45,000 +17.64% 1
Cambridgeshire +14 11 £48,500 +29.33% 2
Essex - 2 - -
CentOS
England

For the 6 months to 29 March 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 East of England region with a requirement for CentOS.

1 49 (100.00%) Linux
2 34 (69.39%) Windows
2 34 (69.39%) Red Hat Enterprise Linux
3 23 (46.94%) Red Hat
4 22 (44.90%) SQL
5 21 (42.86%) SQL Server
6 19 (38.78%) Perl
7 17 (34.69%) Python
7 17 (34.69%) LAMP
7 17 (34.69%) VMware
7 17 (34.69%) VMware Infrastructure
7 17 (34.69%) Amazon AWS
8 16 (32.65%) Puppet
8 16 (32.65%) Opscode Chef
8 16 (32.65%) Active Directory
9 14 (28.57%) SAN
9 14 (28.57%) IIS
9 14 (28.57%) Marketing
10 13 (26.53%) Bash Shell
10 13 (26.53%) Salt
10 13 (26.53%) Windows Server
11 12 (24.49%) Open Source
11 12 (24.49%) TCP/IP
12 11 (22.45%) ITIL
12 11 (22.45%) Ansible
12 11 (22.45%) Docker
13 10 (20.41%) Windows Server 2012
13 10 (20.41%) DevOps
13 10 (20.41%) Grafana
13 10 (20.41%) Munin

CentOS
Co-occurring IT Skills in the East of England 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 14 (28.57%) IIS
2 7 (14.29%) Apache
2 7 (14.29%) Tomcat
2 7 (14.29%) WebLogic
3 3 (6.12%) Joomla!
3 3 (6.12%) WordPress
4 2 (4.08%) Elasticsearch
4 2 (4.08%) JBoss
5 1 (2.04%) Jetty
5 1 (2.04%) nginx
Business Applications
1 3 (6.12%) Magento
1 3 (6.12%) OpenCart
Cloud Services
1 17 (34.69%) Amazon AWS
2 3 (6.12%) AWS CloudFormation
2 3 (6.12%) IaaS
2 3 (6.12%) SaaS
Communications & Networking
1 14 (28.57%) SAN
2 12 (24.49%) TCP/IP
3 6 (12.24%) DHCP
3 6 (12.24%) DNS
3 6 (12.24%) LDAP
3 6 (12.24%) SMTP
3 6 (12.24%) SNMP
4 5 (10.20%) PPP
5 3 (6.12%) LAN
5 3 (6.12%) WAN
6 1 (2.04%) HTTP
Database & Business Intelligence
1 21 (42.86%) SQL Server
2 7 (14.29%) MySQL
3 2 (4.08%) Hadoop
Development Applications
1 5 (10.20%) Jenkins
General
1 14 (28.57%) Marketing
2 2 (4.08%) Finance
Job Titles
1 26 (53.06%) Administrator
1 26 (53.06%) Systems Administrator
2 22 (44.90%) Linux Administrator
2 22 (44.90%) Linux Systems Administrator
3 8 (16.33%) DevOps Engineer
3 8 (16.33%) Linux Engineer
4 7 (14.29%) Applications Engineer
4 7 (14.29%) Applications Support
4 7 (14.29%) Applications Support Engineer
4 7 (14.29%) Senior Systems Administrator
4 7 (14.29%) Support Engineer
5 5 (10.20%) Senior Linux Administrator
5 5 (10.20%) Senior Linux Systems Administrator
6 3 (6.12%) DevOps Systems Engineer
6 3 (6.12%) Junior
6 3 (6.12%) Junior Systems Administrator
6 3 (6.12%) Junior Systems Engineer
6 3 (6.12%) Linux DevOps Administrator
6 3 (6.12%) Linux/Unix DevOps
6 3 (6.12%) Platform Engineer
Libraries, Frameworks & Software Standards
1 17 (34.69%) LAMP
2 7 (14.29%) AngularJS
2 7 (14.29%) Apache Camel
2 7 (14.29%) jQuery
2 7 (14.29%) Middleware
3 3 (6.12%) Web Services
3 3 (6.12%) WSH
4 1 (2.04%) J2SE
4 1 (2.04%) JSON
4 1 (2.04%) LEMP Stack
4 1 (2.04%) XML
Miscellaneous
1 7 (14.29%) CMDB
2 3 (6.12%) Cybercrime
3 2 (4.08%) Driving Licence
4 1 (2.04%) Life Science
Operating Systems
1 49 (100.00%) Linux
2 34 (69.39%) Red Hat Enterprise Linux
2 34 (69.39%) Windows
3 13 (26.53%) Windows Server
4 10 (20.41%) Windows Server 2012
5 4 (8.16%) Ubuntu
6 3 (6.12%) Unix
6 3 (6.12%) Windows Server 2008
7 2 (4.08%) SUSE
8 1 (2.04%) Amazon Linux
Processes & Methodologies
1 12 (24.49%) Open Source
2 11 (22.45%) ITIL
3 10 (20.41%) DevOps
4 9 (18.37%) Change Management
4 9 (18.37%) Incident Management
5 7 (14.29%) Configuration Management
5 7 (14.29%) Release Management
5 7 (14.29%) Root Cause Analysis
6 6 (12.24%) High Availability
6 6 (12.24%) Workflow
7 5 (10.20%) Low Latency
8 3 (6.12%) Continuous Delivery
8 3 (6.12%) Performance Tuning
8 3 (6.12%) Project Management
9 2 (4.08%) Agile Software Development
9 2 (4.08%) Bioinformatics
9 2 (4.08%) DNA
9 2 (4.08%) Informatics
9 2 (4.08%) System Testing
9 2 (4.08%) Vulnerability Assessment
Programming Languages
1 22 (44.90%) SQL
2 19 (38.78%) Perl
3 17 (34.69%) Python
4 13 (26.53%) Bash Shell
5 7 (14.29%) JavaScript
5 7 (14.29%) Shell Script
6 3 (6.12%) Java
6 3 (6.12%) PHP
Qualifications
1 6 (12.24%) Degree
2 3 (6.12%) DV Cleared
2 3 (6.12%) SC Cleared
2 3 (6.12%) Security Cleared
Quality Assurance & Compliance
1 3 (6.12%) SLA
System Software
1 17 (34.69%) VMware Infrastructure
2 16 (32.65%) Active Directory
3 11 (22.45%) Docker
4 7 (14.29%) Hyper-V
5 3 (6.12%) VMware ESX
5 3 (6.12%) Xen
6 2 (4.08%) Virtual Machines
Systems Management
1 16 (32.65%) Opscode Chef
1 16 (32.65%) Puppet
2 13 (26.53%) Salt
3 11 (22.45%) Ansible
4 10 (20.41%) Grafana
4 10 (20.41%) Munin
4 10 (20.41%) ZABBIX
5 3 (6.12%) Cacti
5 3 (6.12%) Nagios
Vendors
1 23 (46.94%) Red Hat
2 17 (34.69%) VMware
3 7 (14.29%) Oracle
4 2 (4.08%) Cisco
4 2 (4.08%) NetApp
Cambridge, Cambridgeshire
Reed Technology
Salary: £50000 - £75000 per annum + share options
Posted: 6 hours ago
Watford, Hertfordshire
Informatiq Consulting
Salary: Excellent Bens
Posted: Yesterday
Cambridge, Cambridgeshire
ECM Selection
Salary: £Excellent
Posted: 6 days ago