The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CentOS Linux
England / South East
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 157 217 252
Rank change year-on-year +60 +35  
Contract jobs citing CentOS 83 53 23
As % of all contract IT jobs advertised in the South East 1.09% 0.59% 0.24%
As % of the Operating Systems category 4.92% 2.40% 0.95%
Number of daily rates quoted 56 43 17
Median daily rate £500 £425 £375
Median daily rate % change year-on-year +17.64% +13.33%  
90% offered a daily rate of more than £356 £290 £321
10% offered a daily rate of more than £575 £500 £490
UK excluding London median daily rate £460 £425 £375
% change year-on-year +8.23% +13.33%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £55.00 -
UK excluding London median hourly rate £47.50 £55.00 -
% change year-on-year -13.63% -  

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for operating system skills.

Contract Operating System Skills
South East
Contract job vacancies with a requirement for operating system skills 1686 2211 2410
As % of all contract IT job vacancies advertised in the South East 22.07% 24.78% 25.50%
Number of daily rates quoted 926 1301 1271
Median daily rate £385 £385 £365
Median daily rate % change year-on-year -0.06% +5.47%  
90% offered a daily rate of more than £155 £225 £220
10% offered a daily rate of more than £525 £511 £485
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 128 153 244
Median hourly rate £16.50 £21.50 £16.50
Median hourly rate % change year-on-year -23.25% +30.30%  
90% offered a hourly rate of more than £11.50 £11.15 £12.50
10% offered a hourly rate of more than £45.00 £49.46 £40.00
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

CentOS
Job Vacancy Trend in the South East

The job posting trend of jobs advertised in the South East citing CentOS as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in the South East

CentOS
Contractor Daily Rate Trend in the South East

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in the South East.

Contractor daily rate trend for CentOS in the South East

CentOS
Contractor Daily Rate Histogram in the South East

The daily rate distribution of IT jobs citing CentOS in the South East over the 3 months to 24 June 2017.

Contractor daily rate histogram for CentOS in the South East

CentOS
Contractor Hourly Rate Trend in the South East

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CentOS in the South East.

Contractor hourly rate trend for CentOS in the South East

CentOS
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the South East region over the 3 months to 24 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Berkshire +38 21 £550 +22.22% 11
Hampshire +6 18 £500 +42.85% 6
Surrey +12 16 £525 +23.52% 6
Buckinghamshire -8 11 £325 -35.00%
Oxfordshire -1 8 £450 +12.50% 1
West Sussex - 7 £383 - 2
East Sussex +2 2 - -
CentOS
England

For the 6 months to 24 June 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 South East region with a requirement for CentOS.

1 128 (100.00%) Linux
2 78 (60.94%) DevOps
3 77 (60.16%) Red Hat
4 61 (47.66%) Python
4 61 (47.66%) VMware
5 59 (46.09%) Red Hat Enterprise Linux
6 57 (44.53%) Puppet
7 52 (40.63%) Ansible
8 45 (35.16%) Git (software)
9 42 (32.81%) VMware Infrastructure
10 39 (30.47%) Ubuntu
10 39 (30.47%) Opscode Chef
11 37 (28.91%) Perl
12 35 (27.34%) Bash Shell
13 34 (26.56%) Unix
14 33 (25.78%) Java
15 32 (25.00%) MySQL
15 32 (25.00%) Jenkins
16 31 (24.22%) TCP/IP
17 30 (23.44%) Amazon AWS
18 29 (22.66%) Security Cleared
18 29 (22.66%) SC Cleared
18 29 (22.66%) HTTP
18 29 (22.66%) Oracle
18 29 (22.66%) Configuration Management
19 28 (21.88%) MongoDB
20 27 (21.09%) Nagios
21 25 (19.53%) Debian
22 24 (18.75%) Docker
23 23 (17.97%) SELinux

CentOS
Co-occurring IT Skills in the South East 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 19 (14.84%) OpenStack
2 11 (8.59%) Apache
3 8 (6.25%) Confluence
4 7 (5.47%) Tomcat
5 6 (4.69%) WebSphere
6 5 (3.91%) IIS
7 3 (2.34%) MS Exchange
8 2 (1.56%) JBoss
8 2 (1.56%) Jetty
8 2 (1.56%) Skype for Business
9 1 (0.78%) Eucalyptus
9 1 (0.78%) GlassFish
9 1 (0.78%) IBM Domino
9 1 (0.78%) SharePoint
Applications
1 5 (3.91%) Microsoft Office
2 2 (1.56%) Microsoft Excel
Business Applications
1 2 (1.56%) SAP Oil and Gas
Cloud Services
1 30 (23.44%) Amazon AWS
2 10 (7.81%) AWS CloudFormation
2 10 (7.81%) Microsoft Azure
3 7 (5.47%) AWS Lambda
4 6 (4.69%) SaaS
5 5 (3.91%) GitHub
6 4 (3.13%) Cloud Computing
7 3 (2.34%) Amazon S3
8 2 (1.56%) Amazon EC2
8 2 (1.56%) Google Cloud Platform
9 1 (0.78%) IaaS
9 1 (0.78%) IBM PureFlex
9 1 (0.78%) Route 53
Communications & Networking
1 31 (24.22%) TCP/IP
2 29 (22.66%) HTTP
3 22 (17.19%) DNS
4 20 (15.63%) Firewall
5 15 (11.72%) SSH
5 15 (11.72%) SSL
6 14 (10.94%) LAN
6 14 (10.94%) WAN
7 13 (10.16%) SAN
8 12 (9.38%) ICMP
9 11 (8.59%) HTTPS
9 11 (8.59%) Internet
10 9 (7.03%) LDAP
11 8 (6.25%) Fibre Channel
12 6 (4.69%) VPN
13 5 (3.91%) Kerberos
13 5 (3.91%) Network Security
14 4 (3.13%) Cisco Nexus
14 4 (3.13%) IPsec
15 3 (2.34%) NAS
Database & Business Intelligence
1 32 (25.00%) MySQL
2 28 (21.88%) MongoDB
3 15 (11.72%) Apache Cassandra
3 15 (11.72%) Hadoop
4 8 (6.25%) Amazon DynamoDB
5 6 (4.69%) Big Data
6 3 (2.34%) NoSQL
6 3 (2.34%) PostgreSQL
6 3 (2.34%) SQL Server
7 2 (1.56%) SQL Server 2008
7 2 (1.56%) SQL Server 2016
8 1 (0.78%) Geospatial Data
8 1 (0.78%) Oracle Database
8 1 (0.78%) RDBMS
8 1 (0.78%) Relational Database
Development Applications
1 45 (35.16%) Git (software)
2 32 (25.00%) Jenkins
3 8 (6.25%) JIRA
3 8 (6.25%) Vagrant
4 7 (5.47%) Bitbucket
5 6 (4.69%) Hudson
6 5 (3.91%) Subversion
7 4 (3.13%) Sonatype Nexus
8 2 (1.56%) Ant
8 2 (1.56%) Eclipse
8 2 (1.56%) Maven
8 2 (1.56%) MSBuild
8 2 (1.56%) Team Foundation Server
8 2 (1.56%) Visual Studio
9 1 (0.78%) Selenium
General
1 9 (7.03%) Telecoms
2 2 (1.56%) Back Office
2 2 (1.56%) Electronics
2 2 (1.56%) Finance
2 2 (1.56%) Manufacturing
2 2 (1.56%) Marketing
3 1 (0.78%) Aerospace
3 1 (0.78%) Retail
Job Titles
1 36 (28.13%) Administrator
2 34 (26.56%) DevOps Engineer
3 27 (21.09%) Systems Administrator
4 25 (19.53%) Linux Administrator
5 22 (17.19%) Linux Engineer
6 20 (15.63%) Linux Systems Administrator
7 18 (14.06%) Linux/Unix DevOps
8 15 (11.72%) Developer
8 15 (11.72%) Systems Engineer
9 12 (9.38%) DevOps Administrator
10 11 (8.59%) DevOps Developer
10 11 (8.59%) Linux Systems Engineer
11 10 (7.81%) Consultant
11 10 (7.81%) Senior Linux Administrator
11 10 (7.81%) Senior Linux Systems Administrator
11 10 (7.81%) Senior Systems Administrator
12 9 (7.03%) Linux DevOps Engineer
12 9 (7.03%) Senior DevOps
12 9 (7.03%) VMware Engineer
13 8 (6.25%) DevOps Consultant
Libraries, Frameworks & Software Standards
1 16 (12.50%) Sensu
2 12 (9.38%) Elastic Stack
3 9 (7.03%) LAMP
4 4 (3.13%) .NET
4 4 (3.13%) Web Services
5 3 (2.34%) CGI
5 3 (2.34%) RESTful
5 3 (2.34%) XML
6 2 (1.56%) HTML
6 2 (1.56%) HTML5
6 2 (1.56%) Middleware
6 2 (1.56%) Node.js
6 2 (1.56%) OAuth
6 2 (1.56%) Oracle Fusion
6 2 (1.56%) REST
7 1 (0.78%) JSF
7 1 (0.78%) LAPP Stack
7 1 (0.78%) PostGIS
7 1 (0.78%) SAML
7 1 (0.78%) X-Windows
Miscellaneous
1 13 (10.16%) Video on Demand
2 11 (8.59%) Computer Science
2 11 (8.59%) Linux Command Line
3 8 (6.25%) Clustering
3 8 (6.25%) Data Centre
4 6 (4.69%) Private Cloud
5 5 (3.91%) EMC VNX
5 5 (3.91%) Management Information System
6 3 (2.34%) PKI
7 2 (1.56%) Device Driver
7 2 (1.56%) Digital TV
7 2 (1.56%) Fat Client
7 2 (1.56%) MPEG
7 2 (1.56%) STB
7 2 (1.56%) Thin Client
8 1 (0.78%) Analytical Skills
8 1 (0.78%) Enterprise Cloud
8 1 (0.78%) Hybrid Cloud
8 1 (0.78%) IBM XIV
8 1 (0.78%) Replication
Operating Systems
1 128 (100.00%) Linux
2 59 (46.09%) Red Hat Enterprise Linux
3 39 (30.47%) Ubuntu
4 34 (26.56%) Unix
5 25 (19.53%) Debian
6 12 (9.38%) Windows
7 10 (7.81%) Solaris
8 8 (6.25%) Windows Server
9 6 (4.69%) Windows Server 2008
10 4 (3.13%) Oracle Linux
10 4 (3.13%) Windows Server 2003
11 3 (2.34%) Windows Server 2012
12 2 (1.56%) AIX
12 2 (1.56%) SUSE
13 1 (0.78%) Amazon Linux
13 1 (0.78%) HPUX
Processes & Methodologies
1 78 (60.94%) DevOps
2 29 (22.66%) Configuration Management
3 23 (17.97%) Open Source
4 18 (14.06%) ITIL
5 17 (13.28%) Agile Software Development
6 12 (9.38%) Prototyping
7 11 (8.59%) DRM
8 10 (7.81%) Continuous Integration
8 10 (7.81%) High Availability
8 10 (7.81%) Software Engineering
9 9 (7.03%) Data Management
10 8 (6.25%) Performance Management
11 7 (5.47%) Application Performance Management
11 7 (5.47%) ITIL V3
11 7 (5.47%) Mathematics
11 7 (5.47%) Task Automation
11 7 (5.47%) Virtual Environments
12 6 (4.69%) Load Balancing
12 6 (4.69%) Open Source Development
12 6 (4.69%) Security Hardening
Programming Languages
1 61 (47.66%) Python
2 37 (28.91%) Perl
3 35 (27.34%) Bash Shell
4 33 (25.78%) Java
5 20 (15.63%) SQL
6 19 (14.84%) JavaScript
7 18 (14.06%) PHP
8 14 (10.94%) Ruby
9 13 (10.16%) Shell Script
10 8 (6.25%) AWK
11 7 (5.47%) Bourne shell
11 7 (5.47%) Korn
12 4 (3.13%) C#
13 3 (2.34%) C
13 3 (2.34%) C++
13 3 (2.34%) PowerShell
14 1 (0.78%) Go
14 1 (0.78%) Rust
Qualifications
1 29 (22.66%) SC Cleared
1 29 (22.66%) Security Cleared
2 13 (10.16%) Degree
3 12 (9.38%) RHCE
4 11 (8.59%) RHCSA
5 10 (7.81%) CCNA
5 10 (7.81%) Cisco Certification
6 9 (7.03%) CCNP
7 7 (5.47%) OCA
7 7 (5.47%) OCP
7 7 (5.47%) Oracle Certification
8 5 (3.91%) VMware Certified Professional (VCP)
9 3 (2.34%) DV Cleared
10 2 (1.56%) CISA
10 2 (1.56%) Computer Science Degree
11 1 (0.78%) CCSA
11 1 (0.78%) RHCSS
11 1 (0.78%) SANS
Quality Assurance & Compliance
1 4 (3.13%) JSP 440
2 2 (1.56%) ISO/IEC 27001
2 2 (1.56%) PCI DSS
System Software
1 42 (32.81%) VMware Infrastructure
2 24 (18.75%) Docker
3 17 (13.28%) Xen
4 16 (12.50%) KVM
5 14 (10.94%) Active Directory
6 12 (9.38%) Virtual Machines
7 10 (7.81%) vSphere
8 8 (6.25%) VMware ESXi
9 7 (5.47%) GlusterFS
9 7 (5.47%) Veritas Cluster Server
10 6 (4.69%) vCloud
11 3 (2.34%) Hyper-V
11 3 (2.34%) XenDesktop
12 2 (1.56%) GFS2
12 2 (1.56%) iptables
12 2 (1.56%) LXC
12 2 (1.56%) OCFS2
12 2 (1.56%) Oracle RAC
13 1 (0.78%) PowerHA
13 1 (0.78%) VirtualBox
Systems Management
1 57 (44.53%) Puppet
2 52 (40.63%) Ansible
3 39 (30.47%) Opscode Chef
4 27 (21.09%) Nagios
5 23 (17.97%) SELinux
6 14 (10.94%) logstash
6 14 (10.94%) Red Hat Satellite
7 13 (10.16%) Grafana
8 12 (9.38%) Kubernetes
9 8 (6.25%) Red Hat Spacewalk
9 8 (6.25%) Terraform
10 7 (5.47%) NetBackup
10 7 (5.47%) Oracle ZFS
10 7 (5.47%) Veritas Storage Foundation
11 6 (4.69%) Pingdom
12 4 (3.13%) Consul
12 4 (3.13%) HAProxy
12 4 (3.13%) OVSD
12 4 (3.13%) SCCM
12 4 (3.13%) ZABBIX
Vendors
1 77 (60.16%) Red Hat
2 61 (47.66%) VMware
3 29 (22.66%) Oracle
4 19 (14.84%) HP
5 18 (14.06%) EMC
6 16 (12.50%) Microsoft
7 14 (10.94%) SaltStack
7 14 (10.94%) Splunk
8 12 (9.38%) Cisco
9 8 (6.25%) Sun
9 8 (6.25%) Veritas
10 7 (5.47%) AppDynamics
10 7 (5.47%) Atlassian
10 7 (5.47%) Brocade
10 7 (5.47%) StorageTek
11 6 (4.69%) 3PAR
11 6 (4.69%) PagerDuty
12 5 (3.91%) NetApp
12 5 (3.91%) Symantec
13 3 (2.34%) Dell
Redhill, Surrey
The Bridge Ltd
Rate: Unspecified Neg
Posted: 3 days ago