Period
to 9 December 2018

The following table provides summary statistics for permanent job vacancies advertised in the East Midlands 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 9 December 2018 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > East Midlands
6 months to
9 Dec 2018
Same period 2017 Same period 2016
Rank 181 218 213
Rank change year-on-year +37 -5 +40
Permanent jobs citing CentOS 35 18 42
As % of all permanent IT jobs advertised in the East Midlands 0.79% 0.34% 0.65%
As % of the Operating Systems category 3.68% 1.58% 2.81%
Number of salaries quoted 30 15 22
East Midlands median annual salary £60,000 £42,500 £39,500
Median salary % change year-on-year +41.18% +7.59% +8.97%
10th Percentile £37,500 £33,300 £29,000
90th Percentile £75,000 £46,000 £59,500
England median annual salary £53,250 £50,000 £50,000
% change year-on-year +6.50% - +5.26%

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 the East Midlands with a requirement for operating system skills.

All Operating Systems
East Midlands
Permanent vacancies with a requirement for operating system skills 951 1,139 1,495
As % of all permanent IT jobs advertised in the East Midlands 21.49% 21.74% 23.28%
Number of salaries quoted 691 955 1,160
East Midlands median annual salary £38,000 £35,000 £37,500
Median salary % change year-on-year +8.57% -6.67% -
10th Percentile £22,000 £21,000 £22,750
90th Percentile £61,250 £58,750 £55,350
England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

CentOS
Job Vacancy Trend in the East Midlands

Job postings citing CentOS as a percentage of all IT jobs advertised in the East Midlands.

Job vacancy trend for CentOS in the East Midlands

CentOS
Salary Trend in the East Midlands

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

Salary trend for CentOS in the East Midlands

CentOS
Salary Histogram in the East Midlands

The salary distribution of IT jobs citing CentOS in the East Midlands over the 6 months to 9 December 2018.

Salary histogram for CentOS in the East Midlands

CentOS
Job Locations in the East Midlands

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the East Midlands region over the 6 months to 9 December 2018. 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
Derbyshire +28 12 £75,000 -
Leicestershire -9 12 £46,750 +33.57% 3
Nottinghamshire +25 8 £60,000 +41.18% 3
Northamptonshire -13 2 £40,000 -5.88%
Lincolnshire +20 1 £35,000 +25.00%
CentOS
England

For the 6 months to 9 December 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 East Midlands region with a requirement for CentOS.

1 35 (100.00%) Linux
2 26 (74.29%) DevOps
3 23 (65.71%) Jenkins
4 22 (62.86%) Red Hat
5 21 (60.00%) Scrum
5 21 (60.00%) Agile Software Development
6 20 (57.14%) Requirements Analysis
7 17 (48.57%) Docker
7 17 (48.57%) Amazon AWS
8 15 (42.86%) Opscode Chef
9 14 (40.00%) Amazon EC2
10 13 (37.14%) Terraform
10 13 (37.14%) ZABBIX
10 13 (37.14%) Red Hat Enterprise Linux
10 13 (37.14%) Web Services
11 12 (34.29%) LDAP
11 12 (34.29%) TDD
11 12 (34.29%) OpenLDAP
11 12 (34.29%) BDD
11 12 (34.29%) CloudFront
11 12 (34.29%) Amazon RDS
11 12 (34.29%) Elasticsearch
11 12 (34.29%) Virtual Private Cloud
12 11 (31.43%) Confluence
12 11 (31.43%) JIRA
12 11 (31.43%) Apache
13 10 (28.57%) Windows
13 10 (28.57%) JUnit
13 10 (28.57%) Spring
13 10 (28.57%) Open Source

CentOS
Co-occurring IT Skills in the East Midlands 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 12 (34.29%) Elasticsearch
2 11 (31.43%) Apache
2 11 (31.43%) Confluence
3 2 (5.71%) nginx
3 2 (5.71%) Tomcat
Cloud Services
1 17 (48.57%) Amazon AWS
2 14 (40.00%) Amazon EC2
3 12 (34.29%) CloudFront
3 12 (34.29%) Virtual Private Cloud
4 2 (5.71%) Microsoft Azure
4 2 (5.71%) OpenShift
4 2 (5.71%) Serverless
5 1 (2.86%) Amazon CloudWatch
5 1 (2.86%) Amazon S3
5 1 (2.86%) AWS Fargate
5 1 (2.86%) npm
5 1 (2.86%) Route 53
Communications & Networking
1 12 (34.29%) OpenLDAP
2 6 (17.14%) Fibre Channel
2 6 (17.14%) SAN
3 2 (5.71%) DHCP
3 2 (5.71%) DNS
3 2 (5.71%) TCP/IP
4 1 (2.86%) Firewall
Database & Business Intelligence
1 12 (34.29%) Amazon RDS
2 6 (17.14%) MySQL
3 2 (5.71%) Oracle Database
4 1 (2.86%) Amazon Aurora
4 1 (2.86%) Apache Cassandra
4 1 (2.86%) MariaDB
4 1 (2.86%) NoSQL
4 1 (2.86%) SQL Server
Development Applications
1 23 (65.71%) Jenkins
2 11 (31.43%) JIRA
3 10 (28.57%) JUnit
4 9 (25.71%) Bitbucket
5 8 (22.86%) Atlassian Bamboo
5 8 (22.86%) EasyMock
6 2 (5.71%) IBM UrbanCode
6 2 (5.71%) Selenium
6 2 (5.71%) SonarQube
6 2 (5.71%) Sonatype Nexus
7 1 (2.86%) Git (software)
7 1 (2.86%) Grunt
7 1 (2.86%) Maven
7 1 (2.86%) MSBuild
7 1 (2.86%) webpack
General
1 5 (14.29%) Retail
2 3 (8.57%) Finance
Job Titles
1 17 (48.57%) DevOps Engineer
2 14 (40.00%) AWS DevOps Engineer
3 10 (28.57%) AWS DevOps
3 10 (28.57%) AWS Engineer
4 9 (25.71%) Developer
5 8 (22.86%) Agile Developer
5 8 (22.86%) Agile Java Developer
5 8 (22.86%) DevOps Developer
5 8 (22.86%) Java Developer
5 8 (22.86%) Java Software Developer
5 8 (22.86%) Senior DevOps
5 8 (22.86%) Senior DevOps Engineer
5 8 (22.86%) Software Developer
6 5 (14.29%) VMware Specialist
7 4 (11.43%) Operations Engineer
8 3 (8.57%) Linux Engineer
8 3 (8.57%) Technical Specialist
9 2 (5.71%) Linux Administrator
9 2 (5.71%) Linux Specialist
9 2 (5.71%) Windows Administrator
Libraries, Frameworks & Software Standards
1 13 (37.14%) Web Services
2 12 (34.29%) LDAP
3 10 (28.57%) Spring
4 8 (22.86%) EJB
4 8 (22.86%) Java EE
4 8 (22.86%) JSF
5 3 (8.57%) LAMP
6 2 (5.71%) YAML
7 1 (2.86%) AngularJS
7 1 (2.86%) Elastic Stack
7 1 (2.86%) Node.js
7 1 (2.86%) Symfony
Miscellaneous
1 8 (22.86%) Wiki
2 1 (2.86%) Clustering
2 1 (2.86%) Raspberry Pi
Operating Systems
1 35 (100.00%) Linux
2 13 (37.14%) Red Hat Enterprise Linux
3 10 (28.57%) Windows
4 5 (14.29%) Ubuntu
5 3 (8.57%) Windows Server
6 2 (5.71%) Amazon Linux
6 2 (5.71%) Debian
7 1 (2.86%) Mac OS X
7 1 (2.86%) Windows Server 2012
Processes & Methodologies
1 26 (74.29%) DevOps
2 21 (60.00%) Agile Software Development
2 21 (60.00%) Scrum
3 20 (57.14%) Requirements Analysis
4 12 (34.29%) BDD
4 12 (34.29%) TDD
5 10 (28.57%) Open Source
6 9 (25.71%) ITIL
7 8 (22.86%) Cybersecurity
7 8 (22.86%) OO
7 8 (22.86%) OOD
7 8 (22.86%) Service Delivery
7 8 (22.86%) Software Engineering
8 5 (14.29%) Migration
9 3 (8.57%) Continuous Integration
10 2 (5.71%) Computer Science
10 2 (5.71%) Security Patching
10 2 (5.71%) Test Automation
11 1 (2.86%) Issue Tracking
11 1 (2.86%) Problem-Solving
Programming Languages
1 9 (25.71%) Java
1 9 (25.71%) Python
2 8 (22.86%) C++
3 6 (17.14%) Bash Shell
4 2 (5.71%) Perl
4 2 (5.71%) Ruby
4 2 (5.71%) Shell Script
5 1 (2.86%) Groovy
5 1 (2.86%) PHP
5 1 (2.86%) SQL
Qualifications
1 8 (22.86%) BPSS Clearance
2 2 (5.71%) Computer Science Degree
2 2 (5.71%) Degree
Quality Assurance & Compliance
1 2 (5.71%) ISO/IEC 27001
1 2 (5.71%) Sarbanes-Oxley
System Software
1 17 (48.57%) Docker
2 6 (17.14%) VMware Infrastructure
3 3 (8.57%) Hyper-V
3 3 (8.57%) vSphere
4 1 (2.86%) KVM
4 1 (2.86%) pfSense
Systems Management
1 15 (42.86%) Opscode Chef
2 13 (37.14%) Terraform
2 13 (37.14%) ZABBIX
3 3 (8.57%) Ansible
3 3 (8.57%) Kubernetes
4 2 (5.71%) Puppet
5 1 (2.86%) Failover Clustering
Vendors
1 22 (62.86%) Red Hat
2 8 (22.86%) VMware
3 4 (11.43%) Microsoft
4 3 (8.57%) Citrix
4 3 (8.57%) Oracle
5 1 (2.86%) AppDynamics
5 1 (2.86%) Splunk