The table below looks at the statistics for CentOS skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 30 August 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
30 Aug 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 149 190 190
Rank change year-on-year
+41 0
Contract jobs citing CentOS 26 12 18
As % of all contract IT jobs located in the City of London 0.74% 0.23% 0.31%
As % of the Operating Systems category 3.38% 1.02% 1.36%
Number of daily rates quoted 17 10 13
Median daily rate £475 £410 £450
Median daily rate % change year-on-year
+15.85% -8.88%
90% offered a daily rate of more than £411 £339 £335
10% offered a daily rate of more than £570 £460 £500
UK excluding London median daily rate £425 £340 £375
% change year-on-year
+25.00% -9.33%
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 City of London region.

Operating Systems Category
City of London
Contract IT job ads with a match in the
Operating Systems category
769 1180 1321
As % of all contract IT jobs located in the City of London 21.94% 22.26% 22.72%
Number of daily rates quoted 626 928 963
Median daily rate £450 £419 £400
Median daily rate % change year-on-year
+7.46% +4.68%
90% offered a daily rate of more than £270 £225 £185
10% offered a daily rate of more than £600 £550 £575
UK excluding London median daily rate £350 £350 £320
% change year-on-year
- +9.37%
Number of hourly rates quoted 13 37 57
Median hourly rate £15.50 £17.00 £19.00
Median hourly rate % change year-on-year
-8.82% -10.52%
90% offered a hourly rate of more than £12.50 £12.50 £12.50
10% offered a hourly rate of more than £27.50 £62.50 £125.00
UK excluding London median hourly rate £16.50 £17.00 £16.00
% change year-on-year
-2.94% +6.25%

CentOS
Jobs Demand Trend in the City of London

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

CentOS Jobs Demand Trend in the City of London

CentOS
Daily Rate Trend in the City of London

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

CentOS Daily Rate Trend in the City of London

CentOS
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the City of London region over the 3 months to 30 August 2016.

CentOS Daily Rate Histogram in the City of London

CentOS
Hourly Rate Trend in the City of London

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

CentOS Hourly Rate Trend in the City of London

CentOS
Top 30 Related IT Skills in the City of London

For the 6 months to 30 August 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 City of London region with a requirement for CentOS.

1 38 (100.00%) Linux
2 25 (65.79%) DevOps
3 22 (57.89%) Puppet
4 19 (50.00%) Ansible
4 19 (50.00%) Configuration Management
5 18 (47.37%) Docker
6 17 (44.74%) Continuous Integration
6 17 (44.74%) Apache
7 16 (42.11%) Python
7 16 (42.11%) Red Hat Enterprise Linux
8 15 (39.47%) Amazon AWS
9 14 (36.84%) Opscode Chef
9 14 (36.84%) VMware
10 13 (34.21%) Ruby
10 13 (34.21%) Jenkins
11 12 (31.58%) Agile Software Development
12 11 (28.95%) Red Hat
12 11 (28.95%) Windows
12 11 (28.95%) JIRA
13 9 (23.68%) VMware Infrastructure
13 9 (23.68%) Confluence
13 9 (23.68%) MongoDB
13 9 (23.68%) NoSQL
13 9 (23.68%) Unix
13 9 (23.68%) Finance
14 8 (21.05%) Migration
14 8 (21.05%) Firewall
14 8 (21.05%) DNS
14 8 (21.05%) Perl
14 8 (21.05%) Open Source

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 17 (44.74%) Apache
2 9 (23.68%) Confluence
3 7 (18.42%) IIS
3 7 (18.42%) OpenStack
4 6 (15.79%) Apache Spark
5 5 (13.16%) Tomcat
6 3 (7.89%) Exchange Server 2010
6 3 (7.89%) MS Exchange
7 2 (5.26%) Elasticsearch
7 2 (5.26%) Mule ESB
7 2 (5.26%) nginx
8 1 (2.63%) CMS
8 1 (2.63%) ColdFusion
8 1 (2.63%) JBoss
8 1 (2.63%) Jetty
8 1 (2.63%) WebLogic
8 1 (2.63%) WildFly
8 1 (2.63%) Zimbra
Applications
1 2 (5.26%) HipChat
2 1 (2.63%) MS Excel
2 1 (2.63%) MS Office
Cloud Services
1 15 (39.47%) Amazon AWS
2 5 (13.16%) Amazon EC2
3 2 (5.26%) Amazon ElastiCache
3 2 (5.26%) Amazon EMR
3 2 (5.26%) Amazon S3
3 2 (5.26%) Amazon SQS
3 2 (5.26%) CloudFront
3 2 (5.26%) Route 53
3 2 (5.26%) Virtual Private Cloud
4 1 (2.63%) AWS CloudFormation
4 1 (2.63%) AWS Elastic Beanstalk
4 1 (2.63%) GitHub
4 1 (2.63%) Google Cloud Platform
4 1 (2.63%) Microsoft Azure
4 1 (2.63%) Rackspace Cloud
Communications & Networking
1 8 (21.05%) DNS
1 8 (21.05%) Firewall
2 6 (15.79%) SSL
2 6 (15.79%) TCP/IP
3 4 (10.53%) SAN
3 4 (10.53%) VPN
4 3 (7.89%) HTTP
4 3 (7.89%) SSH
5 2 (5.26%) Cisco ASA
5 2 (5.26%) Cisco Nexus
5 2 (5.26%) Reverse Proxy
6 1 (2.63%) Fibre Channel
6 1 (2.63%) iSCSI
6 1 (2.63%) NAS
6 1 (2.63%) Network Security
6 1 (2.63%) OpenLDAP
6 1 (2.63%) OpenVPN
6 1 (2.63%) SNMP
6 1 (2.63%) Wi-Fi
6 1 (2.63%) Wireshark
Database & Business Intelligence
1 9 (23.68%) MongoDB
1 9 (23.68%) NoSQL
2 8 (21.05%) Hadoop
3 7 (18.42%) MySQL
4 5 (13.16%) PostgreSQL
5 3 (7.89%) Redis
5 3 (7.89%) SQL Server
6 2 (5.26%) Amazon DynamoDB
6 2 (5.26%) Amazon RDS
6 2 (5.26%) Amazon Redshift
7 1 (2.63%) HBase
7 1 (2.63%) Ingres
7 1 (2.63%) InterSystems Cache
7 1 (2.63%) Relational Database
Development Applications
1 13 (34.21%) Jenkins
2 11 (28.95%) JIRA
3 8 (21.05%) Git (software)
4 6 (15.79%) FishEye
5 4 (10.53%) Sonatype Nexus
5 4 (10.53%) TeamCity
6 3 (7.89%) Atlassian Bamboo
7 2 (5.26%) Gerrit
7 2 (5.26%) GoCD
7 2 (5.26%) Hudson
7 2 (5.26%) Maven
7 2 (5.26%) Mercurial
7 2 (5.26%) SonarQube
8 1 (2.63%) Artifactory
8 1 (2.63%) Bitbucket
8 1 (2.63%) Cucumber
8 1 (2.63%) Geb
8 1 (2.63%) JIRA Agile
8 1 (2.63%) Spock
8 1 (2.63%) Team Foundation Server
General
1 9 (23.68%) Finance
2 5 (13.16%) Front Office
3 4 (10.53%) Legal
4 2 (5.26%) Retail
5 1 (2.63%) Banking
5 1 (2.63%) Games
Job Titles
1 17 (44.74%) DevOps Engineer
2 9 (23.68%) Linux/Unix DevOps
3 8 (21.05%) Linux Engineer
4 6 (15.79%) Linux DevOps Engineer
5 5 (13.16%) Continuous Deployment Engineer
6 4 (10.53%) NoSQL Engineer
6 4 (10.53%) Unix Engineer
7 2 (5.26%) Administrator
7 2 (5.26%) Applications Engineer
7 2 (5.26%) AWS DevOps
7 2 (5.26%) AWS Engineer
7 2 (5.26%) Data Centre Engineer
7 2 (5.26%) Data Migration Engineer
7 2 (5.26%) Developer
7 2 (5.26%) Infrastructure Engineer
7 2 (5.26%) Migration Engineer
7 2 (5.26%) Senior Infrastructure Engineer
7 2 (5.26%) Systems Administrator
7 2 (5.26%) Systems Engineer
8 1 (2.63%) Broadcast Engineer
Libraries, Frameworks & Software Standards
1 5 (13.16%) Middleware
1 5 (13.16%) Web Services
2 4 (10.53%) LAMP
3 3 (7.89%) LAPP Stack
4 2 (5.26%) .NET
4 2 (5.26%) ASP.NET
4 2 (5.26%) ELK Stack
4 2 (5.26%) HTML
4 2 (5.26%) HTML5
4 2 (5.26%) LEMP Stack
4 2 (5.26%) RabbitMQ
4 2 (5.26%) RESTful
4 2 (5.26%) Sensu
4 2 (5.26%) Software Packaging
5 1 (2.63%) ASP.NET MVC 4
5 1 (2.63%) J2EE
5 1 (2.63%) JAX-RS
5 1 (2.63%) MCollective
5 1 (2.63%) Node.js
5 1 (2.63%) SignalR
Miscellaneous
1 6 (15.79%) Visualisation
2 5 (13.16%) Clustering
2 5 (13.16%) Data Centre
2 5 (13.16%) Hedge funds
3 4 (10.53%) Analytical Skills
3 4 (10.53%) Computer Science
4 3 (7.89%) Public Cloud
5 2 (5.26%) Management Information System
5 2 (5.26%) Private Cloud
6 1 (2.63%) Data Integration
6 1 (2.63%) Derivative
6 1 (2.63%) Digital Media
6 1 (2.63%) HP StoreVirtual
6 1 (2.63%) Mobile App
Operating Systems
1 38 (100.00%) Linux
2 16 (42.11%) Red Hat Enterprise Linux
3 11 (28.95%) Windows
4 9 (23.68%) Unix
5 5 (13.16%) Ubuntu
6 4 (10.53%) Windows Server
7 3 (7.89%) Windows Server 2008
7 3 (7.89%) Windows Server 2012
8 2 (5.26%) Debian
8 2 (5.26%) Fedora
8 2 (5.26%) Mac OS X
8 2 (5.26%) Windows Server 2003
9 1 (2.63%) Amazon Linux
9 1 (2.63%) CoreOS
9 1 (2.63%) Solaris
9 1 (2.63%) SUSE
9 1 (2.63%) Windows 7
9 1 (2.63%) Windows 8
Processes & Methodologies
1 25 (65.79%) DevOps
2 19 (50.00%) Configuration Management
3 17 (44.74%) Continuous Integration
4 12 (31.58%) Agile Software Development
5 8 (21.05%) Migration
5 8 (21.05%) Open Source
6 6 (15.79%) Continuous Delivery
6 6 (15.79%) Continuous Deployment
6 6 (15.79%) Scrum
6 6 (15.79%) Service Design
7 5 (13.16%) Data Centre Operations
7 5 (13.16%) Systematic Trading
8 4 (10.53%) E-Commerce
9 3 (7.89%) High Availability
9 3 (7.89%) Load Balancing
10 2 (5.26%) Release Management
10 2 (5.26%) Service Delivery
10 2 (5.26%) Web Development
10 2 (5.26%) Workflow
11 1 (2.63%) Disaster Recovery
Programming Languages
1 16 (42.11%) Python
2 13 (34.21%) Ruby
3 8 (21.05%) Perl
4 7 (18.42%) Bash Shell
5 6 (15.79%) Java
6 5 (13.16%) PHP
7 4 (10.53%) PowerShell
8 3 (7.89%) JavaScript
8 3 (7.89%) Shell Script
8 3 (7.89%) SQL
9 2 (5.26%) C#
9 2 (5.26%) Go
10 1 (2.63%) AWK
10 1 (2.63%) Groovy
10 1 (2.63%) sed
Qualifications
1 5 (13.16%) Degree
1 5 (13.16%) SC Cleared
1 5 (13.16%) Security Cleared
2 1 (2.63%) CCNA
2 1 (2.63%) Cisco Certification
2 1 (2.63%) CTC Cleared
2 1 (2.63%) MCSE
2 1 (2.63%) MCTS
2 1 (2.63%) Microsoft Certification
Quality Assurance & Compliance
1 4 (10.53%) PCI DSS
2 2 (5.26%) QA
3 1 (2.63%) Disclosure Scotland
3 1 (2.63%) SLA
System Software
1 18 (47.37%) Docker
2 9 (23.68%) VMware Infrastructure
3 7 (18.42%) Active Directory
4 4 (10.53%) DFS Replication
5 3 (7.89%) Virtual Machines
6 1 (2.63%) etcd
6 1 (2.63%) flannel
6 1 (2.63%) KVM
6 1 (2.63%) NFS
6 1 (2.63%) oVirt
6 1 (2.63%) Postfix
6 1 (2.63%) Samba
6 1 (2.63%) Squid
6 1 (2.63%) StorNext
6 1 (2.63%) vCloud
6 1 (2.63%) VMware ESXi
6 1 (2.63%) Xen
Systems Management
1 22 (57.89%) Puppet
2 19 (50.00%) Ansible
3 14 (36.84%) Opscode Chef
4 7 (18.42%) Kubernetes
5 6 (15.79%) Oracle ZFS
6 4 (10.53%) Kibana
6 4 (10.53%) logstash
6 4 (10.53%) Microsoft Clustering
6 4 (10.53%) ZABBIX
7 3 (7.89%) HP Data Protector
7 3 (7.89%) Terraform
8 2 (5.26%) Consul
8 2 (5.26%) Grafana
8 2 (5.26%) HAProxy
8 2 (5.26%) Nagios
8 2 (5.26%) Rancher
8 2 (5.26%) Salt
9 1 (2.63%) Cobbler
9 1 (2.63%) Pingdom
9 1 (2.63%) yum
Vendors
1 14 (36.84%) VMware
2 11 (28.95%) Red Hat
3 8 (21.05%) Atlassian
4 5 (13.16%) HP
5 4 (10.53%) Cisco
6 3 (7.89%) Barracuda Networks
6 3 (7.89%) Dell
6 3 (7.89%) Symantec
7 2 (5.26%) Juniper
7 2 (5.26%) Microsoft
7 2 (5.26%) Oracle
7 2 (5.26%) Sonatype
7 2 (5.26%) Splunk
8 1 (2.63%) Aspera
8 1 (2.63%) Black Duck
8 1 (2.63%) New Relic
8 1 (2.63%) QNAP
8 1 (2.63%) Rackspace
8 1 (2.63%) SaltStack
8 1 (2.63%) Veracode
City, London
TEKsystems
Rate: £495.50 per day
Posted: 5 days ago