Period
to 23 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the North West 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 23 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
England > North West
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 292 269 267
Rank change year-on-year -23 -2 +78
Permanent jobs citing CentOS 82 90 85
As % of all permanent IT jobs advertised in the North West 0.62% 0.72% 0.66%
As % of the Operating Systems category 2.75% 3.19% 2.70%
Number of salaries quoted 65 73 65
North West median annual salary £45,000 £40,000 £40,000
Median salary % change year-on-year +12.50% - +18.52%
10th Percentile £30,500 £25,000 £27,050
90th Percentile £67,500 £61,000 £55,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 North West with a requirement for operating system skills.

All Operating Systems
North West
Permanent vacancies with a requirement for operating system skills 2980 2821 3147
As % of all permanent IT jobs advertised in the North West 22.50% 22.56% 24.28%
Number of salaries quoted 2361 2347 2541
North West median annual salary £40,000 £37,500 £37,500
Median salary % change year-on-year +6.67% - +5.63%
10th Percentile £21,250 £22,000 £21,250
90th Percentile £60,000 £56,250 £53,750
England median annual salary £45,000 £45,000 £45,000

CentOS
Job Vacancy Trend in the North West

Job postings citing CentOS as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for CentOS in the North West

CentOS
Salary Trend in the North West

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

Salary trend for CentOS in the North West

CentOS
Salary Histogram in the North West

The salary distribution of IT jobs citing CentOS in the North West over the 6 months to 23 November 2017.

Salary histogram for CentOS in the North West

CentOS
Job Locations in the North West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the North West region over the 6 months to 23 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
Manchester -6 55 £45,000 - 10
Merseyside +13 17 £52,500 +45.83%
Cheshire -45 5 £32,000 +11.30% 2
Lancashire +3 2 £27,250 -39.44%
CentOS
England

For the 6 months to 23 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 North West region with a requirement for CentOS.

1 82 (100.00%) Linux
2 54 (65.85%) DevOps
3 48 (58.54%) Red Hat
4 40 (48.78%) Puppet
5 39 (47.56%) Jenkins
6 35 (42.68%) Amazon AWS
6 35 (42.68%) Red Hat Enterprise Linux
6 35 (42.68%) Python
6 35 (42.68%) MySQL
7 33 (40.24%) Agile Software Development
8 31 (37.80%) Bash Shell
9 30 (36.59%) Apache
10 28 (34.15%) Tomcat
10 28 (34.15%) VMware
10 28 (34.15%) Ansible
11 25 (30.49%) Opscode Chef
11 25 (30.49%) Configuration Management
12 23 (28.05%) Ubuntu
13 22 (26.83%) Windows
14 17 (20.73%) SQL Server
15 16 (19.51%) Unix
15 16 (19.51%) Terraform
16 15 (18.29%) Docker
16 15 (18.29%) LAMP
16 15 (18.29%) Java
16 15 (18.29%) MongoDB
17 14 (17.07%) Git (software)
17 14 (17.07%) AWS CloudFormation
18 13 (15.85%) Oracle
18 13 (15.85%) Web Services

CentOS
Co-occurring IT Skills in the North West 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 30 (36.59%) Apache
2 28 (34.15%) Tomcat
3 12 (14.63%) nginx
4 10 (12.20%) Elasticsearch
5 5 (6.10%) Confluence
6 4 (4.88%) MS Exchange
7 3 (3.66%) WebSphere
8 2 (2.44%) GlassFish
8 2 (2.44%) IIS
8 2 (2.44%) JBoss
8 2 (2.44%) SharePoint
8 2 (2.44%) WordPress
9 1 (1.22%) Apache Solr
9 1 (1.22%) Liferay
9 1 (1.22%) WebLogic
Applications
1 1 (1.22%) Microsoft Excel
1 1 (1.22%) Microsoft Office
Business Applications
1 5 (6.10%) Magento
2 1 (1.22%) Oracle Applications
Cloud Services
1 35 (42.68%) Amazon AWS
2 14 (17.07%) AWS CloudFormation
3 13 (15.85%) Microsoft Azure
4 9 (10.98%) Amazon EC2
4 9 (10.98%) AWS Lambda
4 9 (10.98%) Serverless
5 8 (9.76%) GitHub
5 8 (9.76%) SaaS
6 6 (7.32%) Amazon SQS
7 5 (6.10%) Amazon CloudWatch
8 4 (4.88%) Amazon ELB
8 4 (4.88%) Virtual Private Cloud
9 3 (3.66%) Amazon ElastiCache
9 3 (3.66%) CloudFront
10 2 (2.44%) Amazon Kinesis
10 2 (2.44%) Office 365
11 1 (1.22%) Cloud Computing
Communications & Networking
1 8 (9.76%) SAN
2 7 (8.54%) AMQP
2 7 (8.54%) TCP/IP
3 5 (6.10%) Firewall
4 4 (4.88%) LAN
4 4 (4.88%) VPN
5 3 (3.66%) Internet
5 3 (3.66%) WAN
6 2 (2.44%) DNS
6 2 (2.44%) VLAN
6 2 (2.44%) VoIP
7 1 (1.22%) Asterisk PBX
7 1 (1.22%) Fibre Channel
7 1 (1.22%) FIX Connectivity
7 1 (1.22%) iSCSI
7 1 (1.22%) Network Security
7 1 (1.22%) SSL
7 1 (1.22%) Wireless
7 1 (1.22%) WLAN
Database & Business Intelligence
1 35 (42.68%) MySQL
2 17 (20.73%) SQL Server
3 15 (18.29%) MongoDB
4 7 (8.54%) Amazon RDS
5 5 (6.10%) Big Data
5 5 (6.10%) Hadoop
5 5 (6.10%) PostgreSQL
6 3 (3.66%) Redis
7 2 (2.44%) Amazon DynamoDB
8 1 (1.22%) Apache Cassandra
8 1 (1.22%) Oracle Database
8 1 (1.22%) Relational Database
Development Applications
1 39 (47.56%) Jenkins
2 14 (17.07%) Git (software)
3 10 (12.20%) Bitbucket
3 10 (12.20%) JIRA
3 10 (12.20%) JUnit
4 6 (7.32%) Atlassian Bamboo
5 5 (6.10%) Ant
5 5 (6.10%) Apache Ivy
5 5 (6.10%) EasyMock
5 5 (6.10%) Gradle
5 5 (6.10%) Maven
5 5 (6.10%) Selenium
5 5 (6.10%) SonarQube
6 4 (4.88%) Vagrant
7 2 (2.44%) GoCD
7 2 (2.44%) TeamCity
8 1 (1.22%) Gerrit
8 1 (1.22%) Hudson
8 1 (1.22%) JMeter
8 1 (1.22%) RSpec
General
1 7 (8.54%) Finance
1 7 (8.54%) Marketing
2 5 (6.10%) Retail
3 3 (3.66%) Manufacturing
4 2 (2.44%) Games
4 2 (2.44%) Telecoms
5 1 (1.22%) Financial Institution
Job Titles
1 21 (25.61%) DevOps Engineer
2 16 (19.51%) Administrator
3 14 (17.07%) Systems Administrator
4 13 (15.85%) Linux Engineer
5 11 (13.41%) Linux Administrator
6 10 (12.20%) Linux Systems Administrator
7 9 (10.98%) AWS DevOps
7 9 (10.98%) AWS Engineer
7 9 (10.98%) Linux/Unix DevOps
8 8 (9.76%) AWS DevOps Engineer
9 7 (8.54%) Linux DevOps Engineer
10 6 (7.32%) Java Engineer
11 5 (6.10%) Developer
11 5 (6.10%) Java Software Engineer
11 5 (6.10%) Software Engineer
11 5 (6.10%) VMWare Administrator
12 4 (4.88%) Infrastructure Engineer
12 4 (4.88%) IT Engineer
12 4 (4.88%) Support Engineer
12 4 (4.88%) Systems Engineer
Libraries, Frameworks & Software Standards
1 15 (18.29%) LAMP
2 13 (15.85%) Web Services
3 9 (10.98%) RabbitMQ
4 8 (9.76%) Spring
5 7 (8.54%) Kafka
6 5 (6.10%) EJB
6 5 (6.10%) Hibernate
6 5 (6.10%) Java EE
6 5 (6.10%) JSF
7 4 (4.88%) Elastic Stack
8 3 (3.66%) LEMP Stack
8 3 (3.66%) Middleware
9 2 (2.44%) AngularJS
9 2 (2.44%) CakePHP
9 2 (2.44%) CodeIgniter
9 2 (2.44%) jQuery
9 2 (2.44%) Laravel
9 2 (2.44%) Symfony
10 1 (1.22%) LAPP Stack
10 1 (1.22%) Node.js
Miscellaneous
1 5 (6.10%) Cyberthreat
1 5 (6.10%) Wiki
2 4 (4.88%) Data Centre
3 3 (3.66%) Life Science
3 3 (3.66%) Replication
4 2 (2.44%) Animation
4 2 (2.44%) Graphic Design
4 2 (2.44%) Mobile App
4 2 (2.44%) Photography
4 2 (2.44%) Social Media
5 1 (1.22%) Analytical Skills
5 1 (1.22%) Clustering
5 1 (1.22%) FMCG
5 1 (1.22%) iPad
5 1 (1.22%) Linux Command Line
5 1 (1.22%) Public Cloud
5 1 (1.22%) Smart Home
Operating Systems
1 82 (100.00%) Linux
2 35 (42.68%) Red Hat Enterprise Linux
3 23 (28.05%) Ubuntu
4 22 (26.83%) Windows
5 16 (19.51%) Unix
6 9 (10.98%) Debian
7 8 (9.76%) SUSE
7 8 (9.76%) Windows Server
8 6 (7.32%) AIX
9 4 (4.88%) Windows Server 2008
9 4 (4.88%) Windows Server 2012
10 3 (3.66%) Amazon Linux
10 3 (3.66%) HPUX
11 2 (2.44%) Data ONTAP
11 2 (2.44%) Windows 10
11 2 (2.44%) Windows 7
11 2 (2.44%) Windows 8
12 1 (1.22%) Fedora
12 1 (1.22%) Solaris
12 1 (1.22%) VMS
Processes & Methodologies
1 54 (65.85%) DevOps
2 33 (40.24%) Agile Software Development
3 25 (30.49%) Configuration Management
4 13 (15.85%) E-Commerce
4 13 (15.85%) High Availability
5 11 (13.41%) ITIL
6 9 (10.98%) Continuous Integration
6 9 (10.98%) Performance Tuning
7 7 (8.54%) Problem Management
7 7 (8.54%) Service Delivery
7 7 (8.54%) Software Engineering
8 6 (7.32%) Mentoring
8 6 (7.32%) Open Source
8 6 (7.32%) Scrum
9 5 (6.10%) Build Automation
9 5 (6.10%) Dependency Management
9 5 (6.10%) Line Management
9 5 (6.10%) Requirements Analysis
9 5 (6.10%) Requirements Management
9 5 (6.10%) SDLC
Programming Languages
1 35 (42.68%) Python
2 31 (37.80%) Bash Shell
3 15 (18.29%) Java
4 8 (9.76%) Ruby
5 7 (8.54%) PHP
6 5 (6.10%) C
6 5 (6.10%) C++
6 5 (6.10%) JavaScript
7 4 (4.88%) Perl
7 4 (4.88%) SQL
8 3 (3.66%) PowerShell
9 2 (2.44%) Go
10 1 (1.22%) Groovy
10 1 (1.22%) MATLAB
10 1 (1.22%) Shell Script
10 1 (1.22%) VBA
Qualifications
1 5 (6.10%) Security Cleared
2 3 (3.66%) AWS Certification
3 1 (1.22%) CCNA
3 1 (1.22%) Cisco Certification
3 1 (1.22%) DBS Check
3 1 (1.22%) Degree
3 1 (1.22%) ITIL Certification
3 1 (1.22%) MCSE
3 1 (1.22%) Microsoft Certification
3 1 (1.22%) Oracle Certification
3 1 (1.22%) RHCE
3 1 (1.22%) RHCSA
3 1 (1.22%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 2 (2.44%) PCI DSS
2 1 (1.22%) ISO/IEC 27001
System Software
1 15 (18.29%) Docker
2 6 (7.32%) VMware Infrastructure
3 5 (6.10%) Active Directory
4 3 (3.66%) vCloud
4 3 (3.66%) Virtual Machines
4 3 (3.66%) Virtual Servers
5 2 (2.44%) Hyper-V
6 1 (1.22%) Corosync
6 1 (1.22%) KVM
6 1 (1.22%) Varnish
6 1 (1.22%) VMware ESXi
6 1 (1.22%) Xen
Systems Management
1 40 (48.78%) Puppet
2 28 (34.15%) Ansible
3 25 (30.49%) Opscode Chef
4 16 (19.51%) Terraform
5 12 (14.63%) Kubernetes
5 12 (14.63%) Nagios
6 5 (6.10%) Salt
6 5 (6.10%) ZABBIX
7 2 (2.44%) Cacti
7 2 (2.44%) Cobbler
7 2 (2.44%) Kibana
7 2 (2.44%) logstash
8 1 (1.22%) CFEngine
8 1 (1.22%) cPanel
8 1 (1.22%) Grafana
8 1 (1.22%) HAProxy
8 1 (1.22%) Oracle RMAN
8 1 (1.22%) Pacemaker
8 1 (1.22%) Plesk
8 1 (1.22%) Tivoli
Vendors
1 48 (58.54%) Red Hat
2 28 (34.15%) VMware
3 13 (15.85%) Oracle
4 10 (12.20%) NetApp
5 6 (7.32%) IBM
6 4 (4.88%) Microsoft
6 4 (4.88%) SaltStack
7 3 (3.66%) CheckPoint
7 3 (3.66%) hybris
7 3 (3.66%) TIBCO
8 2 (2.44%) Dell Compellent
8 2 (2.44%) EqualLogic
8 2 (2.44%) Google
8 2 (2.44%) HP
8 2 (2.44%) Zend
9 1 (1.22%) Citrix
9 1 (1.22%) Dell
9 1 (1.22%) EMC
9 1 (1.22%) New Relic
9 1 (1.22%) Zerto