Period
to 18 November 2017

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

CentOS Linux
North West > Merseyside
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 70 88 75
Rank change year-on-year +18 -13 +23
Permanent jobs citing CentOS 17 20 10
As % of all permanent IT jobs advertised in Merseyside 1.72% 1.54% 1.06%
As % of the Operating Systems category 7.36% 4.90% 4.02%
Number of salaries quoted 11 14 9
Merseyside median annual salary £52,500 £36,000 £30,000
Median salary % change year-on-year +45.83% +20.00% -33.33%
10th Percentile £41,750 £31,025 £24,000
90th Percentile £67,500 £39,625 £32,500
North West median annual salary £45,000 £40,000 £40,000
% change year-on-year +12.50% - +23.08%

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 Merseyside with a requirement for operating system skills.

All Operating Systems
Merseyside
Permanent vacancies with a requirement for operating system skills 231 408 249
As % of all permanent IT jobs advertised in Merseyside 23.40% 31.43% 26.52%
Number of salaries quoted 156 256 165
Merseyside median annual salary £40,000 £40,000 £32,500
Median salary % change year-on-year - +23.08% -7.80%
10th Percentile £23,875 £24,375 £21,600
90th Percentile £61,250 £56,875 £52,500
North West median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.67% - +7.14%

CentOS
Job Vacancy Trend in Merseyside

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

Job vacancy trend for CentOS in Merseyside

CentOS
Salary Trend in Merseyside

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

Salary trend for CentOS in Merseyside

CentOS
Salary Histogram in Merseyside

The salary distribution of IT jobs citing CentOS in Merseyside over the 6 months to 18 November 2017.

Salary histogram for CentOS in Merseyside

CentOS
Job Locations in Merseyside

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Merseyside region over the 6 months to 18 November 2017. 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
Liverpool +13 11 £55,000 +52.78%
CentOS
North West

For the 6 months to 18 November 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 Merseyside region with a requirement for CentOS.

1 17 (100.00%) Linux
2 13 (76.47%) SQL Server
2 13 (76.47%) Ubuntu
2 13 (76.47%) Bash Shell
2 13 (76.47%) Jenkins
3 11 (64.71%) Unix
3 11 (64.71%) Oracle
3 11 (64.71%) Tomcat
4 8 (47.06%) Python
4 8 (47.06%) Web Services
4 8 (47.06%) Apache
4 8 (47.06%) MySQL
4 8 (47.06%) Configuration Management
4 8 (47.06%) LAMP
4 8 (47.06%) SUSE
4 8 (47.06%) Git (software)
4 8 (47.06%) Ansible
4 8 (47.06%) DevOps
4 8 (47.06%) MongoDB
5 7 (41.18%) RabbitMQ
5 7 (41.18%) Puppet
5 7 (41.18%) Kafka
5 7 (41.18%) Elasticsearch
5 7 (41.18%) Opscode Chef
5 7 (41.18%) AMQP
6 6 (35.29%) Windows
7 5 (29.41%) Ant
7 5 (29.41%) JUnit
7 5 (29.41%) Hibernate
7 5 (29.41%) Red Hat

CentOS
Co-occurring IT Skills in Merseyside 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 11 (64.71%) Tomcat
2 8 (47.06%) Apache
3 7 (41.18%) Elasticsearch
4 3 (17.65%) WebSphere
Business Applications
1 1 (5.88%) Oracle Applications
Cloud Services
1 5 (29.41%) Amazon AWS
1 5 (29.41%) Amazon CloudWatch
1 5 (29.41%) AWS CloudFormation
1 5 (29.41%) GitHub
1 5 (29.41%) Microsoft Azure
Communications & Networking
1 7 (41.18%) AMQP
2 1 (5.88%) Fibre Channel
2 1 (5.88%) FIX Connectivity
2 1 (5.88%) iSCSI
2 1 (5.88%) TCP/IP
Database & Business Intelligence
1 13 (76.47%) SQL Server
2 8 (47.06%) MongoDB
2 8 (47.06%) MySQL
3 5 (29.41%) Big Data
3 5 (29.41%) Hadoop
Development Applications
1 13 (76.47%) Jenkins
2 8 (47.06%) Git (software)
3 5 (29.41%) Ant
3 5 (29.41%) Apache Ivy
3 5 (29.41%) Bitbucket
3 5 (29.41%) Gradle
3 5 (29.41%) JIRA
3 5 (29.41%) JUnit
3 5 (29.41%) Maven
3 5 (29.41%) Selenium
3 5 (29.41%) SonarQube
General
1 3 (17.65%) Manufacturing
2 2 (11.76%) Marketing
2 2 (11.76%) Retail
3 1 (5.88%) Finance
Job Titles
1 5 (29.41%) Linux Engineer
2 3 (17.65%) Applications Specialist
2 3 (17.65%) Automation Consultant
2 3 (17.65%) Cloud Consultant
2 3 (17.65%) Cloud Infrastructure Consultant
2 3 (17.65%) Consultant
2 3 (17.65%) Database Specialist
2 3 (17.65%) Infrastructure Consultant
2 3 (17.65%) Linux Specialist
3 2 (11.76%) Administrator
3 2 (11.76%) AIX Systems Administrator
3 2 (11.76%) DevOps Engineer
3 2 (11.76%) Linux Administrator
3 2 (11.76%) Linux DevOps Engineer
3 2 (11.76%) Linux Systems Administrator
3 2 (11.76%) Linux/Unix DevOps
3 2 (11.76%) Systems Administrator
3 2 (11.76%) Unix Administrator
3 2 (11.76%) Unix Linux Systems Administrator
3 2 (11.76%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 8 (47.06%) LAMP
1 8 (47.06%) Web Services
2 7 (41.18%) Kafka
2 7 (41.18%) RabbitMQ
3 5 (29.41%) Hibernate
4 3 (17.65%) Middleware
5 1 (5.88%) FIX Protocol
Miscellaneous
1 3 (17.65%) Life Science
2 1 (5.88%) FMCG
Operating Systems
1 17 (100.00%) Linux
2 13 (76.47%) Ubuntu
3 11 (64.71%) Unix
4 8 (47.06%) SUSE
5 6 (35.29%) Windows
6 4 (23.53%) Red Hat Enterprise Linux
7 3 (17.65%) AIX
7 3 (17.65%) HPUX
8 1 (5.88%) Windows Server
Processes & Methodologies
1 8 (47.06%) Configuration Management
1 8 (47.06%) DevOps
2 5 (29.41%) Agile Software Development
2 5 (29.41%) Build Automation
2 5 (29.41%) Continuous Integration
2 5 (29.41%) Dependency Management
2 5 (29.41%) Line Management
2 5 (29.41%) Performance Tuning
2 5 (29.41%) Problem Management
2 5 (29.41%) Requirements Management
2 5 (29.41%) SDLC
2 5 (29.41%) TDD
3 4 (23.53%) High Availability
3 4 (23.53%) Mentoring
4 2 (11.76%) Collaborative Working
4 2 (11.76%) Continuous Improvement
4 2 (11.76%) Data Management
4 2 (11.76%) Low Latency
4 2 (11.76%) Performance Management
4 2 (11.76%) Test Automation
Programming Languages
1 13 (76.47%) Bash Shell
2 8 (47.06%) Python
3 1 (5.88%) Java
System Software
1 2 (11.76%) Virtual Machines
2 1 (5.88%) VMware ESXi
2 1 (5.88%) VMware Infrastructure
Systems Management
1 8 (47.06%) Ansible
2 7 (41.18%) Opscode Chef
2 7 (41.18%) Puppet
3 5 (29.41%) ZABBIX
4 1 (5.88%) CFEngine
Vendors
1 11 (64.71%) Oracle
2 5 (29.41%) Red Hat
3 3 (17.65%) IBM
3 3 (17.65%) TIBCO
4 2 (11.76%) VMware
5 1 (5.88%) HP
5 1 (5.88%) SaltStack