Period
to 16 February 2019

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 6 months to 16 February 2019 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
6 months to
16 Feb 2019
Same period 2018 Same period 2017
Rank 290 297 248
Rank change year-on-year +7 -49 +44
Contract jobs citing CentOS 88 85 114
As % of all contract IT jobs advertised in the South East 0.55% 0.51% 0.74%
As % of the Operating Systems category 2.54% 2.23% 3.35%
Number of daily rates quoted 46 75 85
South East median daily rate £475 £500 £475
Median daily rate % change year-on-year -5.00% +5.26% +13.10%
10th Percentile £363 £363 £397
90th Percentile £638 £613 £575
England median daily rate £475 £475 £468
% change year-on-year - +1.60% +3.89%
Number of hourly rates quoted 0 4 1
South East median hourly rate - £18.00 £18.00
England median hourly rate £38.41 £27.50 £15.63
% change year-on-year +39.68% +76.00% -68.75%

CentOS is in the Operating Systems category. The following 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.

All Operating Systems
South East
Contract vacancies with a requirement for operating system skills 3,469 3,805 3,408
As % of all contract IT jobs advertised in the South East 21.86% 22.73% 22.02%
Number of daily rates quoted 1,969 2,123 1,957
South East median daily rate £400 £400 £380
Median daily rate % change year-on-year - +5.26% +1.33%
10th Percentile £156 £143 £200
90th Percentile £575 £575 £538
England median daily rate £430 £425 £413
% change year-on-year +1.18% +3.03% +3.13%
Number of hourly rates quoted 290 284 278
South East median hourly rate £16.18 £17.50 £16.00
Median hourly rate % change year-on-year -7.57% +9.38% -17.95%
10th Percentile £11.17 £11.17 £10.96
90th Percentile £51.00 £50.25 £47.79
England median hourly rate £17.25 £17.43 £16.50
% change year-on-year -1.03% +5.64% -

CentOS
Job Vacancy Trend in the South East

Job postings citing CentOS as a percentage of all IT jobs advertised in the South East.

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 6 months to 16 February 2019.

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 6 months to 16 February 2019. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Thames Valley +26 44 £473 -17.74% 17
Berkshire -13 32 £463 -19.57% 10
Hampshire -26 20 £550 +36.65% 7
West Sussex +4 11 £445 -25.83% 1
Surrey -8 11 £488 +8.33% 12
Buckinghamshire +29 7 £451 +50.25% 2
Oxfordshire +33 5 £650 +3.17% 5
East Sussex - 1 £375 -
Sussex - 1 £400 -
CentOS
England

For the 6 months to 16 February 2019, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the South East region with a requirement for CentOS.

1 88 (100.00%) Linux
2 51 (57.95%) Red Hat Enterprise Linux
3 42 (47.73%) Puppet
3 42 (47.73%) Windows
4 41 (46.59%) Microsoft
5 36 (40.91%) Ansible
6 34 (38.64%) Red Hat
7 31 (35.23%) Security Cleared
8 27 (30.68%) SC Cleared
9 24 (27.27%) Shell Script
9 24 (27.27%) Configuration Management
10 22 (25.00%) Agile Software Development
10 22 (25.00%) PowerShell
10 22 (25.00%) Amazon AWS
11 21 (23.86%) Git (software)
12 20 (22.73%) Bash Shell
12 20 (22.73%) Packer
13 19 (21.59%) Node.js
13 19 (21.59%) Jenkins
13 19 (21.59%) JavaScript
13 19 (21.59%) Service Management
14 18 (20.45%) Java
14 18 (20.45%) Terraform
14 18 (20.45%) DevOps
15 17 (19.32%) Python
15 17 (19.32%) Analytics
15 17 (19.32%) JSON
16 16 (18.18%) VMware
16 16 (18.18%) ServiceNow
17 15 (17.05%) Unix

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 9 (10.23%) nginx
1 9 (10.23%) Skype for Business
2 6 (6.82%) CMS
3 5 (5.68%) Confluence
4 3 (3.41%) Elasticsearch
4 3 (3.41%) OpenStack
5 2 (2.27%) Drupal
5 2 (2.27%) WebSphere
5 2 (2.27%) WordPress
6 1 (1.14%) Apache Spark
6 1 (1.14%) JBoss
6 1 (1.14%) Magnolia
6 1 (1.14%) Tomcat
Applications
1 9 (10.23%) Chatbot
2 6 (6.82%) Microsoft Office
Cloud Services
1 22 (25.00%) Amazon AWS
2 15 (17.05%) Microsoft Azure
3 11 (12.50%) IaaS
4 9 (10.23%) Apigee
4 9 (10.23%) PaaS
5 8 (9.09%) Amazon EC2
5 8 (9.09%) SaaS
6 7 (7.95%) npm
6 7 (7.95%) Yarn
7 5 (5.68%) AWS CloudFormation
8 3 (3.41%) Amazon S3
9 2 (2.27%) Amazon CloudWatch
9 2 (2.27%) AWS Lambda
9 2 (2.27%) Cloud Computing
9 2 (2.27%) Datadog
9 2 (2.27%) Google Cloud Platform
9 2 (2.27%) Serverless
10 1 (1.14%) Amazon EMR
10 1 (1.14%) OpenShift
10 1 (1.14%) Virtual Private Cloud
Communications & Networking
1 11 (12.50%) SSL
2 9 (10.23%) Skype
3 7 (7.95%) NetScaler
4 6 (6.82%) DNS
5 3 (3.41%) DHCP
5 3 (3.41%) Firewall
5 3 (3.41%) HTTP
5 3 (3.41%) Internet
5 3 (3.41%) VPN
6 2 (2.27%) Network Security
6 2 (2.27%) TCP/IP
7 1 (1.14%) DMZ
7 1 (1.14%) HTTPS
7 1 (1.14%) Intrusion Detection
7 1 (1.14%) IPsec
7 1 (1.14%) Kerberos
7 1 (1.14%) LAN
7 1 (1.14%) WAN
Database & Business Intelligence
1 13 (14.77%) MySQL
2 10 (11.36%) MongoDB
3 7 (7.95%) Big Data
3 7 (7.95%) Hadoop
3 7 (7.95%) SQL Server
4 4 (4.55%) PostgreSQL
5 2 (2.27%) Cloudera CDH
5 2 (2.27%) MariaDB
5 2 (2.27%) Relational Database
6 1 (1.14%) Amazon Athena
6 1 (1.14%) Amazon DynamoDB
6 1 (1.14%) Amazon Redshift
6 1 (1.14%) Apache Cassandra
6 1 (1.14%) Electronic Patient Records
6 1 (1.14%) InfluxDB
6 1 (1.14%) Jackrabbit
6 1 (1.14%) Oracle Database
6 1 (1.14%) Oracle Reports
6 1 (1.14%) Redis
Development Applications
1 21 (23.86%) Git (software)
2 19 (21.59%) Jenkins
3 13 (14.77%) Vagrant
4 9 (10.23%) JIRA
5 7 (7.95%) Babel
5 7 (7.95%) webpack
6 5 (5.68%) Atlassian Bamboo
7 3 (3.41%) Subversion
8 2 (2.27%) Bitbucket
8 2 (2.27%) HP UFT
8 2 (2.27%) Travis CI
9 1 (1.14%) GitLab
9 1 (1.14%) Gitweb
9 1 (1.14%) Grunt
9 1 (1.14%) gulp
9 1 (1.14%) Maven
9 1 (1.14%) Octopus Deploy
9 1 (1.14%) Oracle Forms
9 1 (1.14%) Sonatype Nexus
General
1 3 (3.41%) Advertising
2 2 (2.27%) Retail
3 1 (1.14%) Electronics
3 1 (1.14%) Finance
3 1 (1.14%) Games
3 1 (1.14%) Manufacturing
3 1 (1.14%) Marketing
3 1 (1.14%) Telecoms
Job Titles
1 21 (23.86%) Developer
2 14 (15.91%) Administrator
2 14 (15.91%) DevOps Engineer
3 13 (14.77%) Linux Administrator
4 10 (11.36%) Architect
4 10 (11.36%) Systems Administrator
5 9 (10.23%) Linux Systems Administrator
5 9 (10.23%) Software Developer
6 7 (7.95%) Delivery Manager
6 7 (7.95%) HTML Developer
6 7 (7.95%) SQL Developer
7 6 (6.82%) AWS DevOps
7 6 (6.82%) Linux Engineer
7 6 (6.82%) Technical Delivery Manager
7 6 (6.82%) Technical Manager
8 5 (5.68%) AWS DevOps Engineer
8 5 (5.68%) AWS Engineer
8 5 (5.68%) Senior Developer
9 4 (4.55%) Senior Software Developer
9 4 (4.55%) Senior SQL Developer
Libraries, Frameworks & Software Standards
1 19 (21.59%) Node.js
2 17 (19.32%) JSON
3 14 (15.91%) React
4 12 (13.64%) HTML
5 11 (12.50%) HTML5
5 11 (12.50%) jQuery
6 10 (11.36%) AngularJS
6 10 (11.36%) XML
7 9 (10.23%) Natural Language Processing
7 9 (10.23%) RESTful
7 9 (10.23%) Sass
7 9 (10.23%) SignalR
7 9 (10.23%) SOAP
7 9 (10.23%) WebSockets
8 8 (9.09%) LEMP Stack
8 8 (9.09%) Twitter Bootstrap
9 7 (7.95%) Elastic Stack
9 7 (7.95%) Jest
9 7 (7.95%) Redux
10 6 (6.82%) D3.js
Miscellaneous
1 12 (13.64%) Self-Motivation
2 9 (10.23%) Mobile App
3 7 (7.95%) CMDB
4 6 (6.82%) Data Centre
5 4 (4.55%) Analytical Skills
5 4 (4.55%) Management Information System
6 3 (3.41%) Linux Command Line
6 3 (3.41%) Public Cloud
7 2 (2.27%) Distributed Denial-of-Service
7 2 (2.27%) Enterprise Software
7 2 (2.27%) PKI
8 1 (1.14%) Fat Client
8 1 (1.14%) Hybrid Cloud
8 1 (1.14%) Life Science
8 1 (1.14%) Private Cloud
8 1 (1.14%) Thin Client
8 1 (1.14%) Video on Demand
8 1 (1.14%) Virtual Team
Operating Systems
1 88 (100.00%) Linux
2 51 (57.95%) Red Hat Enterprise Linux
3 42 (47.73%) Windows
4 15 (17.05%) Unix
5 14 (15.91%) Ubuntu
6 10 (11.36%) Windows Server
7 4 (4.55%) Debian
8 2 (2.27%) Gentoo
8 2 (2.27%) Windows Server 2008
9 1 (1.14%) DC/OS
9 1 (1.14%) HPUX
9 1 (1.14%) Solaris
9 1 (1.14%) SUSE
9 1 (1.14%) VMS
9 1 (1.14%) Windows Server 2012
Processes & Methodologies
1 24 (27.27%) Configuration Management
2 22 (25.00%) Agile Software Development
3 19 (21.59%) Service Management
4 18 (20.45%) DevOps
5 17 (19.32%) Analytics
6 12 (13.64%) Machine Learning
6 12 (13.64%) Runbook
7 10 (11.36%) ERP
7 10 (11.36%) High Availability
7 10 (11.36%) Virtual Infrastructure
8 9 (10.23%) Artificial Intelligence
8 9 (10.23%) Conversational UI
8 9 (10.23%) Data Analytics
8 9 (10.23%) ITIL
8 9 (10.23%) Mobile Application Development
8 9 (10.23%) Problem-Solving
8 9 (10.23%) Sentiment Analysis
8 9 (10.23%) Speech Recognition
9 8 (9.09%) Collaborative Working
9 8 (9.09%) Data Loss Prevention
Programming Languages
1 24 (27.27%) Shell Script
2 22 (25.00%) PowerShell
3 20 (22.73%) Bash Shell
4 19 (21.59%) JavaScript
5 18 (20.45%) Java
6 17 (19.32%) Python
7 12 (13.64%) SQL
8 11 (12.50%) PHP
9 9 (10.23%) R
10 6 (6.82%) Java 8
11 4 (4.55%) Perl
12 3 (3.41%) Ruby
13 1 (1.14%) C++
Qualifications
1 31 (35.23%) Security Cleared
2 27 (30.68%) SC Cleared
3 3 (3.41%) DV Cleared
4 1 (1.14%) BPSS Clearance
4 1 (1.14%) RHCA
4 1 (1.14%) RHCE
Quality Assurance & Compliance
1 2 (2.27%) COBIT
1 2 (2.27%) ISO/IEC 27001
1 2 (2.27%) Sarbanes-Oxley
2 1 (1.14%) Government Security Classifications
System Software
1 10 (11.36%) Active Directory
1 10 (11.36%) VMware Infrastructure
2 9 (10.23%) Docker
2 9 (10.23%) Virtual Machines
3 7 (7.95%) XenDesktop
4 2 (2.27%) Hyper-V
4 2 (2.27%) KVM
4 2 (2.27%) VirtualBox
4 2 (2.27%) vSphere
4 2 (2.27%) Xen
5 1 (1.14%) GlusterFS
5 1 (1.14%) HDFS
5 1 (1.14%) iptables
5 1 (1.14%) Snort
5 1 (1.14%) Squid
5 1 (1.14%) VMware ESXi
5 1 (1.14%) VMware NSX
5 1 (1.14%) VMware Workstation
Systems Management
1 42 (47.73%) Puppet
2 36 (40.91%) Ansible
3 20 (22.73%) Packer
4 18 (20.45%) Terraform
5 10 (11.36%) Nagios
6 9 (10.23%) Opscode Chef
7 5 (5.68%) Kubernetes
8 4 (4.55%) OVSD
9 3 (3.41%) Grafana
10 2 (2.27%) Consul
10 2 (2.27%) Docker Swarm
10 2 (2.27%) HP Fortify
10 2 (2.27%) Icinga
10 2 (2.27%) Kibana
10 2 (2.27%) Prometheus
11 1 (1.14%) HAProxy
11 1 (1.14%) logstash
11 1 (1.14%) Mesos
11 1 (1.14%) Pingdom
11 1 (1.14%) SELinux
Vendors
1 41 (46.59%) Microsoft
2 34 (38.64%) Red Hat
3 16 (18.18%) ServiceNow
3 16 (18.18%) VMware
4 9 (10.23%) Citrix
5 7 (7.95%) CA
5 7 (7.95%) Cisco
5 7 (7.95%) HP
6 6 (6.82%) McAfee
7 5 (5.68%) Thales
8 3 (3.41%) Oracle
8 3 (3.41%) Splunk
9 2 (2.27%) Cloudera
9 2 (2.27%) Google
9 2 (2.27%) New Relic
9 2 (2.27%) Zend
10 1 (1.14%) AppDynamics
10 1 (1.14%) Dynatrace
10 1 (1.14%) PagerDuty
10 1 (1.14%) SaltStack