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 21 February 2017 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
21 Feb 2017
Same period 2016 Same period 2015
CentOS Linux
London / Croydon
Rank 28 28 22
Rank change year-on-year
0 -6
Contract jobs citing CentOS 10 6 1
As % of all contract IT jobs located in Croydon 4.69% 2.33% 0.92%
As % of the Operating Systems category 21.74% 19.35% 2.63%
Number of daily rates quoted 7 6 1
Median daily rate £468 £425 £400
Median daily rate % change year-on-year
+10.00% +6.25%
UK excluding London median daily rate £455 £450 £375
% change year-on-year
+1.11% +20.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £16.38 £8.50 £47.50
% change year-on-year
+92.64% -82.10%

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
46 31 38
As % of all contract IT jobs located in Croydon 21.60% 12.02% 34.86%
Number of daily rates quoted 19 23 28
Median daily rate £450 £463 £450
Median daily rate % change year-on-year
-2.70% +2.77%
90% offered a daily rate of more than £325 £291 £125
10% offered a daily rate of more than £470 £525 £500
UK excluding London median daily rate £363 £350 £338
% change year-on-year
+3.57% +3.70%
Number of hourly rates quoted 0 0 5
Median hourly rate - - £25.00
UK excluding London median hourly rate £16.00 £17.50 £16.00
% change year-on-year
-8.57% +9.37%

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 21 February 2017, 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 40 (97.56%) Security Cleared
3 37 (90.24%) SC Cleared
4 28 (68.29%) DevOps
4 28 (68.29%) Agile Software Development
5 26 (63.41%) Puppet
6 25 (60.98%) VMware
6 25 (60.98%) PostgreSQL
7 24 (58.54%) JIRA
8 23 (56.10%) Confluence
9 22 (53.66%) Scrum
9 22 (53.66%) DNS
10 21 (51.22%) Workflow
10 21 (51.22%) Ansible
10 21 (51.22%) Docker
10 21 (51.22%) Jenkins
10 21 (51.22%) JIRA Agile
11 20 (48.78%) Terraform
11 20 (48.78%) Continuous Integration
12 19 (46.34%) Amazon AWS
12 19 (46.34%) Kubernetes
13 17 (41.46%) Bash Shell
13 17 (41.46%) Ubuntu
13 17 (41.46%) LDAP
14 16 (39.02%) Red Hat Enterprise Linux
15 15 (36.59%) Git (software)
15 15 (36.59%) ZABBIX
15 15 (36.59%) Atlassian
15 15 (36.59%) Hadoop
15 15 (36.59%) Apache

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 23 (56.10%) Confluence
2 15 (36.59%) Apache
3 13 (31.71%) Elasticsearch
4 8 (19.51%) nginx
5 2 (4.88%) Tomcat
6 1 (2.44%) Jetty
6 1 (2.44%) Mule ESB
6 1 (2.44%) WildFly
Applications
1 13 (31.71%) HipChat
Cloud Services
1 19 (46.34%) Amazon AWS
2 5 (12.20%) Amazon CloudWatch
2 5 (12.20%) Amazon EC2
2 5 (12.20%) Amazon S3
2 5 (12.20%) AWS CloudTrail
2 5 (12.20%) Route 53
2 5 (12.20%) Virtual Private Cloud
Communications & Networking
1 22 (53.66%) DNS
2 17 (41.46%) LDAP
3 14 (34.15%) VPN
4 13 (31.71%) OpenLDAP
4 13 (31.71%) OpenVPN
4 13 (31.71%) SSH
5 12 (29.27%) Firewall
6 8 (19.51%) Reverse Proxy
7 7 (17.07%) IPsec
8 2 (4.88%) Cisco Nexus
9 1 (2.44%) DMZ
9 1 (2.44%) HTTP
9 1 (2.44%) SNMP
Database & Business Intelligence
1 25 (60.98%) PostgreSQL
2 15 (36.59%) Hadoop
3 9 (21.95%) Oracle Database
4 8 (19.51%) Oracle Database 11g
5 5 (12.20%) Amazon RDS
6 1 (2.44%) Big Data
6 1 (2.44%) MySQL
6 1 (2.44%) NoSQL
Development Applications
1 24 (58.54%) JIRA
2 21 (51.22%) Jenkins
2 21 (51.22%) JIRA Agile
3 15 (36.59%) Git (software)
4 14 (34.15%) JUnit
4 14 (34.15%) Maven
5 13 (31.71%) Ant
5 13 (31.71%) Liquibase
5 13 (31.71%) SonarQube
5 13 (31.71%) Sonatype Nexus
6 7 (17.07%) Bitbucket
7 1 (2.44%) Gerrit
7 1 (2.44%) GitLab
7 1 (2.44%) Mercurial
7 1 (2.44%) Selenium
Job Titles
1 10 (24.39%) Administrator
1 10 (24.39%) Consultant
1 10 (24.39%) DevOps Engineer
2 9 (21.95%) Systems Administrator
3 8 (19.51%) Linux Administrator
3 8 (19.51%) Linux Systems Administrator
4 7 (17.07%) VMWare Administrator
5 5 (12.20%) AWS DevOps
6 4 (9.76%) Linux/Unix DevOps
6 4 (9.76%) Senior Linux Administrator
6 4 (9.76%) Senior Linux Systems Administrator
6 4 (9.76%) Senior Systems Administrator
6 4 (9.76%) Senior VMWare Administrator
7 3 (7.32%) AWS Consultant
7 3 (7.32%) DevOps Consultant
7 3 (7.32%) Linux Consultant
8 2 (4.88%) AWS Engineer
8 2 (4.88%) Server Administrator
9 1 (2.44%) Infrastructure Architect
9 1 (2.44%) Unix Administrator
Libraries, Frameworks & Software Standards
1 15 (36.59%) Elastic Stack
2 13 (31.71%) MCollective
2 13 (31.71%) Software Packaging
3 2 (4.88%) Oracle GoldenGate
4 1 (2.44%) ActiveMQ
4 1 (2.44%) Kafka
4 1 (2.44%) LAMP
4 1 (2.44%) LAPP Stack
4 1 (2.44%) LEMP Stack
4 1 (2.44%) RabbitMQ
4 1 (2.44%) REST
Miscellaneous
1 7 (17.07%) Linux Command Line
2 5 (12.20%) Public Cloud
3 4 (9.76%) Spread Betting
4 1 (2.44%) PKI
Operating Systems
1 41 (100.00%) Linux
2 17 (41.46%) Ubuntu
3 16 (39.02%) Red Hat Enterprise Linux
4 10 (24.39%) Windows
4 10 (24.39%) Windows Server
5 7 (17.07%) RancherOS
5 7 (17.07%) VyOS
6 2 (4.88%) Unix
7 1 (2.44%) Solaris
Processes & Methodologies
1 28 (68.29%) Agile Software Development
1 28 (68.29%) DevOps
2 22 (53.66%) Scrum
3 21 (51.22%) Workflow
4 20 (48.78%) Continuous Integration
5 14 (34.15%) Configuration Management
5 14 (34.15%) Continuous Delivery
6 13 (31.71%) Identity Management
6 13 (31.71%) Service Management
6 13 (31.71%) Stakeholder Management
7 8 (19.51%) Change Management
7 8 (19.51%) Process Management
7 8 (19.51%) Server Building
8 7 (17.07%) Load Balancing
9 6 (14.63%) Case Management
9 6 (14.63%) Coaching
10 5 (12.20%) Mentoring
11 2 (4.88%) Project Management
12 1 (2.44%) Data Security
12 1 (2.44%) Security Management
Programming Languages
1 17 (41.46%) Bash Shell
2 13 (31.71%) Shell Script
3 11 (26.83%) Ruby
4 9 (21.95%) Groovy
5 1 (2.44%) Java
5 1 (2.44%) Perl
5 1 (2.44%) Python
5 1 (2.44%) SQL
Qualifications
1 40 (97.56%) Security Cleared
2 37 (90.24%) SC Cleared
3 9 (21.95%) DV Cleared
4 6 (14.63%) CTC Cleared
5 5 (12.20%) BPSS Clearance
6 4 (9.76%) BC Cleared
Quality Assurance & Compliance
1 2 (4.88%) QA
System Software
1 21 (51.22%) Docker
2 13 (31.71%) Postfix
2 13 (31.71%) Squid
2 13 (31.71%) vCloud
3 11 (26.83%) VMware Infrastructure
4 10 (24.39%) KVM
5 8 (19.51%) Active Directory
5 8 (19.51%) VMware ESX
6 4 (9.76%) Virtual Machines
7 2 (4.88%) VMware ESXi
8 1 (2.44%) Xen
Systems Management
1 26 (63.41%) Puppet
2 21 (51.22%) Ansible
3 20 (48.78%) Terraform
4 19 (46.34%) Kubernetes
5 15 (36.59%) ZABBIX
6 14 (34.15%) Kibana
6 14 (34.15%) logstash
7 13 (31.71%) Docker Swarm
7 13 (31.71%) Rancher
8 9 (21.95%) yum
9 8 (19.51%) Consul
9 8 (19.51%) HAProxy
9 8 (19.51%) Packer
10 1 (2.44%) OpenAM
10 1 (2.44%) Rsyslog
Vendors
1 25 (60.98%) VMware
2 15 (36.59%) Atlassian
2 15 (36.59%) Oracle
3 13 (31.71%) Sonatype
4 9 (21.95%) Red Hat
5 8 (19.51%) AppDynamics
6 7 (17.07%) Vyatta
7 2 (4.88%) Cisco
8 1 (2.44%) CA