The table below looks at the statistics for CentOS skills in IT contracts advertised for the Croydon region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 27 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
27 Sep 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 17 17 29
Rank change year-on-year
0 +12
Contract jobs citing CentOS 32 19 1
As % of all contract IT jobs located in Croydon 11.51% 10.05% 0.72%
As % of the Operating Systems category 40.51% 32.76% 3.70%
Number of daily rates quoted 6 11 1
Median daily rate £463 £450 £400
Median daily rate % change year-on-year
+2.77% +12.50%
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 £36.00 -
% change year-on-year
-62.50% -
CentOS
London

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Croydon region.

Operating Systems Category
Croydon
Contract IT job ads with a match in the
Operating Systems category
79 58 27
As % of all contract IT jobs located in Croydon 28.42% 30.69% 19.42%
Number of daily rates quoted 38 45 23
Median daily rate £425 £463 £355
Median daily rate % change year-on-year
-8.10% +30.28%
90% offered a daily rate of more than £350 £325 £288
10% offered a daily rate of more than £489 £525 £450
UK excluding London median daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 0 2 3
Median hourly rate - £13.00 £13.75
Median hourly rate % change year-on-year
- -5.45%
UK excluding London median hourly rate £15.50 £16.50 £16.50
% change year-on-year
-6.06% -

CentOS
Jobs Demand Trend in Croydon

The demand trend of contract jobs across the Croydon region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Croydon

CentOS
Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Croydon region.

CentOS Daily Rate Trend in Croydon

CentOS
Top 30 Related IT Skills in Croydon

For the 6 months to 27 September 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for CentOS.

1 41 (100.00%) Linux
2 39 (95.12%) PostgreSQL
3 38 (92.68%) Security Cleared
4 37 (90.24%) DevOps
5 36 (87.80%) SC Cleared
6 33 (80.49%) Scrum
6 33 (80.49%) Agile Software Development
7 29 (70.73%) Continuous Integration
7 29 (70.73%) Git (software)
7 29 (70.73%) Jenkins
8 26 (63.41%) Confluence
8 26 (63.41%) VMware
8 26 (63.41%) JIRA
9 25 (60.98%) Apache
9 25 (60.98%) Amazon AWS
9 25 (60.98%) Atlassian
9 25 (60.98%) Ansible
9 25 (60.98%) Continuous Delivery
9 25 (60.98%) JIRA Agile
10 24 (58.54%) SonarQube
10 24 (58.54%) Sonatype
10 24 (58.54%) Sonatype Nexus
10 24 (58.54%) Kibana
10 24 (58.54%) Docker
10 24 (58.54%) logstash
10 24 (58.54%) vCloud
10 24 (58.54%) ZABBIX
10 24 (58.54%) Ruby
10 24 (58.54%) Workflow
11 23 (56.10%) Puppet

CentOS
Top Related IT Skills in Croydon 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 26 (63.41%) Confluence
2 25 (60.98%) Apache
3 17 (41.46%) Elasticsearch
4 9 (21.95%) JBoss
5 8 (19.51%) nginx
5 8 (19.51%) Tomcat
6 7 (17.07%) Mule ESB
7 1 (2.44%) Jetty
7 1 (2.44%) WildFly
Applications
1 17 (41.46%) HipChat
Cloud Services
1 25 (60.98%) Amazon AWS
2 7 (17.07%) GitHub
3 4 (9.76%) Google Cloud Platform
4 3 (7.32%) Microsoft Azure
Communications & Networking
1 20 (48.78%) OpenLDAP
2 17 (41.46%) DNS
2 17 (41.46%) OpenVPN
2 17 (41.46%) SSH
3 9 (21.95%) Firewall
4 8 (19.51%) DMZ
4 8 (19.51%) LDAP
5 7 (17.07%) Reverse Proxy
6 5 (12.20%) VPN
7 3 (7.32%) Cisco Nexus
8 2 (4.88%) CTI
Database & Business Intelligence
1 39 (95.12%) PostgreSQL
2 17 (41.46%) Hadoop
3 8 (19.51%) MySQL
4 7 (17.07%) MongoDB
4 7 (17.07%) NoSQL
4 7 (17.07%) Redis
Development Applications
1 29 (70.73%) Git (software)
1 29 (70.73%) Jenkins
2 26 (63.41%) JIRA
3 25 (60.98%) JIRA Agile
4 24 (58.54%) SonarQube
4 24 (58.54%) Sonatype Nexus
5 21 (51.22%) Maven
6 17 (41.46%) Ant
6 17 (41.46%) Bitbucket
6 17 (41.46%) JUnit
6 17 (41.46%) Liquibase
7 8 (19.51%) Mercurial
8 7 (17.07%) Artifactory
8 7 (17.07%) Gerrit
General
1 1 (2.44%) Finance
1 1 (2.44%) Manufacturing
1 1 (2.44%) Retail
1 1 (2.44%) Telecoms
Job Titles
1 19 (46.34%) DevOps Engineer
2 8 (19.51%) Consultant
2 8 (19.51%) DevOps Consultant
3 5 (12.20%) Lead DevOps
4 4 (9.76%) Administrator
4 4 (9.76%) Systems Administrator
5 3 (7.32%) Cisco Administrator
5 3 (7.32%) Linux DevOps Engineer
5 3 (7.32%) Linux Engineer
5 3 (7.32%) Linux/Unix DevOps
5 3 (7.32%) Unix Administrator
5 3 (7.32%) Unix Systems Administrator
6 1 (2.44%) AWS DevOps
6 1 (2.44%) AWS Engineer
6 1 (2.44%) DevOps Specialist
6 1 (2.44%) Junior DevOps
6 1 (2.44%) Linux Administrator
6 1 (2.44%) Linux Scripter
6 1 (2.44%) Perl Scripter
6 1 (2.44%) VMWare Administrator
Libraries, Frameworks & Software Standards
1 17 (41.46%) ELK Stack
1 17 (41.46%) MCollective
1 17 (41.46%) Software Packaging
2 10 (24.39%) Web Services
3 8 (19.51%) LAMP
3 8 (19.51%) LAPP Stack
3 8 (19.51%) LEMP Stack
4 7 (17.07%) J2EE
4 7 (17.07%) RabbitMQ
5 3 (7.32%) ActiveMQ
Miscellaneous
1 7 (17.07%) Enterprise Software
2 2 (4.88%) Freedom of Information
2 2 (4.88%) Freedom of Information Act
2 2 (4.88%) Management Information System
Operating Systems
1 41 (100.00%) Linux
2 16 (39.02%) Ubuntu
3 4 (9.76%) Red Hat Enterprise Linux
4 3 (7.32%) Unix
5 2 (4.88%) Solaris
6 1 (2.44%) Windows
6 1 (2.44%) Windows Server
Processes & Methodologies
1 37 (90.24%) DevOps
2 33 (80.49%) Agile Software Development
2 33 (80.49%) Scrum
3 29 (70.73%) Continuous Integration
4 25 (60.98%) Continuous Delivery
5 24 (58.54%) Workflow
6 17 (41.46%) Case Management
6 17 (41.46%) Configuration Management
6 17 (41.46%) Identity Management
6 17 (41.46%) Service Management
7 16 (39.02%) Coaching
7 16 (39.02%) Stakeholder Management
8 8 (19.51%) Change Management
8 8 (19.51%) Process Management
9 7 (17.07%) OWASP
10 5 (12.20%) Software Engineering
11 4 (9.76%) Build Automation
12 3 (7.32%) SOA
13 2 (4.88%) Data Security
13 2 (4.88%) Security Management
Programming Languages
1 24 (58.54%) Ruby
2 17 (41.46%) Shell Script
3 9 (21.95%) Bash Shell
4 8 (19.51%) Groovy
4 8 (19.51%) Perl
4 8 (19.51%) Python
5 7 (17.07%) PHP
6 2 (4.88%) Java
6 2 (4.88%) SQL
Qualifications
1 38 (92.68%) Security Cleared
2 36 (87.80%) SC Cleared
3 16 (39.02%) CTC Cleared
4 8 (19.51%) BPSS Clearance
5 6 (14.63%) BC Cleared
6 4 (9.76%) DV Cleared
Quality Assurance & Compliance
1 1 (2.44%) QA
System Software
1 24 (58.54%) Docker
1 24 (58.54%) vCloud
2 17 (41.46%) Postfix
2 17 (41.46%) Squid
3 8 (19.51%) Active Directory
3 8 (19.51%) Virtual Machines
4 2 (4.88%) VMware Infrastructure
5 1 (2.44%) KVM
5 1 (2.44%) VMware ESXi
5 1 (2.44%) Xen
Systems Management
1 25 (60.98%) Ansible
2 24 (58.54%) Kibana
2 24 (58.54%) logstash
2 24 (58.54%) ZABBIX
3 23 (56.10%) Puppet
4 17 (41.46%) Kubernetes
4 17 (41.46%) Rancher
4 17 (41.46%) Terraform
5 8 (19.51%) HAProxy
6 7 (17.07%) Rundeck
6 7 (17.07%) Salt
7 3 (7.32%) Opscode Chef
Vendors
1 26 (63.41%) VMware
2 25 (60.98%) Atlassian
3 24 (58.54%) Sonatype
4 17 (41.46%) Oracle
5 8 (19.51%) Red Hat
6 7 (17.07%) Black Duck
6 7 (17.07%) Veracode
7 4 (9.76%) Google
8 3 (7.32%) Cisco
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