The table below looks at the statistics for CentOS skills in IT jobs advertised for the City of London region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 29 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 232 278 319
Rank change year-on-year
+46 +41
Permanent jobs citing CentOS 26 43 42
As % of all permanent IT jobs located in the City of London 0.40% 0.42% 0.33%
As % of the Operating Systems category 1.51% 1.69% 1.22%
Number of salaries quoted 26 41 34
Median salary £53,750 £45,000 £48,250
Median salary % change year-on-year
+19.44% -6.73%
90% offered a salary of more than £45,000 £32,500 £35,150
10% offered a salary of more than £85,000 £60,000 £61,750
UK excluding London median salary £49,500 £40,000 £37,500
% change year-on-year
+23.75% +6.66%
CentOS
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the City of London region.

Operating Systems Category
City of London
Permanent IT job ads with a match in the
Operating Systems category
1724 2548 3445
As % of all permanent IT jobs located in the City of London 26.41% 24.75% 26.76%
Number of salaries quoted 1585 2229 3053
Median salary £52,500 £50,000 £50,000
Median salary % change year-on-year
+5.00% -
90% offered a salary of more than £30,000 £30,000 £29,000
10% offered a salary of more than £80,000 £72,500 £70,000
UK excluding London median salary £37,500 £37,500 £36,000
% change year-on-year
- +4.16%

CentOS
Jobs Demand Trend in the City of London

The demand trend of job ads across the City of London region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in the City of London

CentOS
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS across the City of London region.

CentOS Salary Trend in the City of London

CentOS
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing CentOS across the City of London region over the 3 months to 29 May 2016.

CentOS Salary Histogram in the City of London

CentOS
Top 30 Related IT Skills in the City of London

For the 6 months to 29 May 2016, 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 City of London region with a requirement for CentOS.

1 49 (100.00%) Linux
2 28 (57.14%) Puppet
3 27 (55.10%) Configuration Management
4 25 (51.02%) Red Hat
5 22 (44.90%) Python
5 22 (44.90%) Bash Shell
6 20 (40.82%) VMware
7 19 (38.78%) DevOps
8 18 (36.73%) Jenkins
9 17 (34.69%) Ruby
9 17 (34.69%) VMware Infrastructure
10 16 (32.65%) Unix
10 16 (32.65%) Windows
10 16 (32.65%) Java
10 16 (32.65%) PHP
10 16 (32.65%) Nagios
10 16 (32.65%) Active Directory
11 15 (30.61%) Agile Software Development
11 15 (30.61%) Amazon AWS
12 14 (28.57%) Opscode Chef
12 14 (28.57%) Finance
12 14 (28.57%) Continuous Integration
12 14 (28.57%) Perl
12 14 (28.57%) MySQL
13 13 (26.53%) Apache
13 13 (26.53%) DNS
13 13 (26.53%) Red Hat Enterprise Linux
13 13 (26.53%) Git (software)
14 12 (24.49%) Debian
15 11 (22.45%) Docker

CentOS
Top Related IT Skills in the City of London 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 13 (26.53%) Apache
2 7 (14.29%) Apache Spark
3 6 (12.24%) IIS
3 6 (12.24%) Tomcat
4 4 (8.16%) OpenStack
5 2 (4.08%) Node.js
Cloud Services
1 15 (30.61%) Amazon AWS
2 6 (12.24%) Amazon S3
2 6 (12.24%) AWS CloudFormation
3 5 (10.20%) Microsoft Azure
4 4 (8.16%) Amazon CloudWatch
4 4 (8.16%) Amazon EC2
4 4 (8.16%) Amazon SQS
4 4 (8.16%) Azure Active Directory
5 2 (4.08%) Datadog
5 2 (4.08%) GitHub
Communications & Networking
1 13 (26.53%) DNS
2 8 (16.33%) Internet
2 8 (16.33%) LDAP
3 6 (12.24%) Firewall
3 6 (12.24%) LAN
3 6 (12.24%) TCP/IP
3 6 (12.24%) WAN
4 5 (10.20%) Kerberos
4 5 (10.20%) MRTG
5 4 (8.16%) SSL
6 3 (6.12%) Wireshark
7 2 (4.08%) Fibre Channel
7 2 (4.08%) iSCSI
7 2 (4.08%) Multicast
7 2 (4.08%) NetScaler
7 2 (4.08%) SAN
7 2 (4.08%) SMS
7 2 (4.08%) SMTP
7 2 (4.08%) SSH
7 2 (4.08%) tcpdump
Database & Business Intelligence
1 14 (28.57%) MySQL
2 9 (18.37%) PostgreSQL
3 7 (14.29%) NoSQL
4 6 (12.24%) Hadoop
5 5 (10.20%) Apache Cassandra
6 4 (8.16%) Amazon RDS
6 4 (8.16%) DB2
6 4 (8.16%) Oracle Database
7 3 (6.12%) Big Data
8 1 (2.04%) Data Warehouse
8 1 (2.04%) Relational Database
Development Applications
1 18 (36.73%) Jenkins
2 13 (26.53%) Git (software)
3 10 (20.41%) Maven
4 6 (12.24%) Atlassian Bamboo
5 4 (8.16%) GitLab
5 4 (8.16%) Gradle
5 4 (8.16%) Subversion
5 4 (8.16%) TeamCity
6 2 (4.08%) Ant
6 2 (4.08%) GCC
6 2 (4.08%) JIRA
6 2 (4.08%) PHPUnit
6 2 (4.08%) Selenium
6 2 (4.08%) Vagrant
7 1 (2.04%) Sonatype Nexus
General
1 14 (28.57%) Finance
2 6 (12.24%) Games
2 6 (12.24%) Telecoms
3 5 (10.20%) Marketing
4 4 (8.16%) Banking
5 2 (4.08%) Advertising
6 1 (2.04%) Back Office
Job Titles
1 18 (36.73%) Linux Engineer
2 15 (30.61%) DevOps Engineer
3 10 (20.41%) Administrator
4 8 (16.33%) Systems Administrator
5 7 (14.29%) Cloud Engineer
6 6 (12.24%) AWS Engineer
6 6 (12.24%) Developer
7 5 (10.20%) Java Developer
7 5 (10.20%) Linux DevOps Engineer
7 5 (10.20%) Linux Systems Engineer
7 5 (10.20%) Linux/Unix DevOps
7 5 (10.20%) Senior Developer
7 5 (10.20%) Senior Java Developer
8 4 (8.16%) Senior Linux Engineer
8 4 (8.16%) Senior Windows Engineer
8 4 (8.16%) Systems Engineer
8 4 (8.16%) Windows Engineer
9 3 (6.12%) Analyst
9 3 (6.12%) Senior Systems Administrator
9 3 (6.12%) Support Analyst
Libraries, Frameworks & Software Standards
1 7 (14.29%) LAMP
2 6 (12.24%) Sensu
3 5 (10.20%) GWT
3 5 (10.20%) jQuery
3 5 (10.20%) Sass
3 5 (10.20%) Thymeleaf
4 4 (8.16%) REST
4 4 (8.16%) SOAP
4 4 (8.16%) Web Services
5 3 (6.12%) FIX Protocol
6 2 (4.08%) Behat
6 2 (4.08%) ELK Stack
6 2 (4.08%) Middleware
6 2 (4.08%) RabbitMQ
6 2 (4.08%) Symfony
6 2 (4.08%) WebSockets
6 2 (4.08%) ZeroMQ
7 1 (2.04%) CSS
7 1 (2.04%) HTML
7 1 (2.04%) HTML5
Miscellaneous
1 7 (14.29%) Fintech
2 5 (10.20%) Mathematics
2 5 (10.20%) PKI
2 5 (10.20%) Wiki
3 2 (4.08%) Computer Science
3 2 (4.08%) Data Centre
3 2 (4.08%) Hedge funds
3 2 (4.08%) HP StoreVirtual
3 2 (4.08%) Management Information System
3 2 (4.08%) Replication
3 2 (4.08%) User Experience
4 1 (2.04%) EMC VNX
Operating Systems
1 49 (100.00%) Linux
2 16 (32.65%) Unix
2 16 (32.65%) Windows
3 13 (26.53%) Red Hat Enterprise Linux
4 12 (24.49%) Debian
5 7 (14.29%) Windows Server
5 7 (14.29%) Windows Server 2008
5 7 (14.29%) Windows Server 2012
6 6 (12.24%) Ubuntu
7 5 (10.20%) FreeBSD
8 2 (4.08%) Amazon Linux
8 2 (4.08%) Oracle Linux
8 2 (4.08%) VMS
9 1 (2.04%) Mac OS X
Processes & Methodologies
1 27 (55.10%) Configuration Management
2 19 (38.78%) DevOps
3 15 (30.61%) Agile Software Development
4 14 (28.57%) Continuous Integration
5 9 (18.37%) Scrum
6 8 (16.33%) Open Source
7 6 (12.24%) E-Commerce
7 6 (12.24%) Load Balancing
7 6 (12.24%) Server Virtualisation
8 5 (10.20%) Analytics
9 4 (8.16%) Business Intelligence
9 4 (8.16%) Kanban
9 4 (8.16%) Workflow
10 3 (6.12%) Continuous Improvement
10 3 (6.12%) ITIL
10 3 (6.12%) Mentoring
10 3 (6.12%) Service Delivery
11 2 (4.08%) Dashboard Development
11 2 (4.08%) Microservices
11 2 (4.08%) Network Monitoring
Programming Languages
1 22 (44.90%) Bash Shell
1 22 (44.90%) Python
2 17 (34.69%) Ruby
3 16 (32.65%) Java
3 16 (32.65%) PHP
4 14 (28.57%) Perl
5 8 (16.33%) SQL
6 6 (12.24%) PowerShell
7 5 (10.20%) C
8 4 (8.16%) JavaScript
9 2 (4.08%) Groovy
9 2 (4.08%) PL/SQL
9 2 (4.08%) Shell Script
10 1 (2.04%) C++
10 1 (2.04%) PHP 5
10 1 (2.04%) T-SQL
Qualifications
1 7 (14.29%) VMware Certified Professional (VCP)
2 6 (12.24%) MCITP
2 6 (12.24%) Microsoft Certification
3 4 (8.16%) AWS Certification
4 3 (6.12%) CCNP
4 3 (6.12%) Cisco Certification
5 2 (4.08%) Degree
6 1 (2.04%) CCNA
6 1 (2.04%) RHCE
Quality Assurance & Compliance
1 1 (2.04%) QA
System Software
1 17 (34.69%) VMware Infrastructure
2 16 (32.65%) Active Directory
3 11 (22.45%) Docker
4 8 (16.33%) VMware ESXi
5 6 (12.24%) Corosync
6 5 (10.20%) KVM
6 5 (10.20%) oVirt
6 5 (10.20%) Postfix
6 5 (10.20%) Xen
7 3 (6.12%) vSphere
8 2 (4.08%) NFS
8 2 (4.08%) VMware ESX
Systems Management
1 28 (57.14%) Puppet
2 16 (32.65%) Nagios
3 14 (28.57%) Opscode Chef
4 9 (18.37%) Ansible
5 8 (16.33%) Cacti
6 6 (12.24%) Graphite
6 6 (12.24%) HAProxy
6 6 (12.24%) Pacemaker
6 6 (12.24%) Red Hat Spacewalk
7 5 (10.20%) Munin
7 5 (10.20%) SELinux
8 3 (6.12%) Ganglia
8 3 (6.12%) logstash
9 2 (4.08%) Rundeck
9 2 (4.08%) Salt
10 1 (2.04%) ZABBIX
Vendors
1 25 (51.02%) Red Hat
2 20 (40.82%) VMware
3 9 (18.37%) Cisco
4 6 (12.24%) Microsoft
5 5 (10.20%) Splunk
6 4 (8.16%) IBM
6 4 (8.16%) Oracle
7 3 (6.12%) Facebook
7 3 (6.12%) Google
7 3 (6.12%) Percona
8 2 (4.08%) 3PAR
8 2 (4.08%) Akamai
8 2 (4.08%) Atlassian
8 2 (4.08%) Citrix
8 2 (4.08%) HP
8 2 (4.08%) LANDesk
8 2 (4.08%) New Relic
8 2 (4.08%) Rackspace
8 2 (4.08%) SaltStack
8 2 (4.08%) SolarWinds
City, London
Stratospherec
Salary: From £60,000 to £75,000 per annum excellent Benefits & Bonus package
Posted: 3 hours ago
City, London
IT Rockstars Recruitment
Posted: 3 hours ago
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 5 hours ago
City, London
Talent International
Salary: £35000 - £40000 per annum + benefits and development
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £65,000 to £80,000 per annum Bonus and benefits package
Posted: 6 days ago
City, London
Miller Maxwell Ltd
Salary: From £50,000 to £70,000 per annum + Bonus & Benefits
Posted: 6 days ago
City of London
Real Staffing
Salary: £40000 - £52000 per annum + competitive
Posted: 23 days ago
City, London
CGI
Salary: benefits
Posted: 19 days ago
City, London
CGI
Salary: benefits
Posted: 19 days ago
City, London
CGI
Salary: benefits
Posted: 19 days ago
City, London
CGI
Salary: benefits
Posted: 19 days ago