Period
to 21 January 2019

The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 21 January 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
South East > Berkshire
6 months to
21 Jan 2019
Same period 2018 Same period 2017
Rank 130 143 123
Rank change year-on-year +13 -20 +27
Contract jobs citing CentOS 41 29 42
As % of all contract IT jobs advertised in Berkshire 1.00% 0.72% 1.06%
As % of the Operating Systems category 5.87% 3.49% 6.29%
Number of daily rates quoted 22 25 39
Berkshire median daily rate £450 £575 £500
Median daily rate % change year-on-year -21.74% +15.00% +11.42%
10th Percentile £351 £300 £431
90th Percentile £575 £588 £625
South East median daily rate £475 £450 £470
% change year-on-year +5.56% -4.26% +11.90%
Number of hourly rates quoted 0 3 1
Berkshire median hourly rate - £18.00 £18.00
South East median hourly rate - £18.00 £18.00

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 Berkshire with a requirement for operating system skills.

All Operating Systems
Berkshire
Contract vacancies with a requirement for operating system skills 698 830 668
As % of all contract IT jobs advertised in Berkshire 17.04% 20.56% 16.84%
Number of daily rates quoted 359 434 347
Berkshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -6.25%
10th Percentile £155 £200 £222
90th Percentile £557 £575 £538
South East median daily rate £400 £400 £380
% change year-on-year - +5.26% +1.33%
Number of hourly rates quoted 48 53 57
Berkshire median hourly rate £15.98 £14.00 £17.50
Median hourly rate % change year-on-year +14.14% -20.00% -43.37%
10th Percentile £12.00 £10.40 £11.70
90th Percentile £47.50 £41.75 £52.00
South East median hourly rate £17.00 £17.50 £16.25
% change year-on-year -2.86% +7.69% -18.75%

CentOS
Job Vacancy Trend in Berkshire

Job postings citing CentOS as a percentage of all IT jobs advertised in Berkshire.

Job vacancy trend for CentOS in Berkshire

CentOS
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for CentOS in Berkshire

CentOS
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing CentOS in Berkshire over the 6 months to 21 January 2019.

Contractor daily rate histogram for CentOS in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 6 months to 21 January 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
Reading +1 14 £445 -1.22% 6
Bracknell -4 12 £463 +137.18% 1
Newbury +10 8 £450 +50.00% 5
Maidenhead - 2 £488 -
CentOS
South East

For the 6 months to 21 January 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 Berkshire region with a requirement for CentOS.

1 41 (100.00%) Linux
2 20 (48.78%) Red Hat Enterprise Linux
3 19 (46.34%) Agile Software Development
4 18 (43.90%) Java
4 18 (43.90%) Python
4 18 (43.90%) Ansible
4 18 (43.90%) DevOps
5 17 (41.46%) Red Hat
6 16 (39.02%) Amazon AWS
7 13 (31.71%) Microsoft Azure
7 13 (31.71%) Bash Shell
8 12 (29.27%) Machine Learning
8 12 (29.27%) Windows
9 11 (26.83%) Configuration Management
9 11 (26.83%) SSL
9 11 (26.83%) PowerShell
9 11 (26.83%) Analytics
9 11 (26.83%) Terraform
10 10 (24.39%) AngularJS
10 10 (24.39%) Puppet
10 10 (24.39%) Node.js
10 10 (24.39%) JIRA
10 10 (24.39%) JSON
10 10 (24.39%) JavaScript
10 10 (24.39%) SQL
10 10 (24.39%) HTML
10 10 (24.39%) XML
10 10 (24.39%) Scrum
11 9 (21.95%) SOAP
11 9 (21.95%) Microsoft

CentOS
Co-occurring IT Skills in Berkshire 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 (21.95%) Skype for Business
2 5 (12.20%) CMS
2 5 (12.20%) Confluence
3 2 (4.88%) Apache
3 2 (4.88%) WebSphere
4 1 (2.44%) Elasticsearch
4 1 (2.44%) JBoss
4 1 (2.44%) Magnolia
4 1 (2.44%) OpenStack
4 1 (2.44%) Tomcat
Applications
1 9 (21.95%) Chatbot
Cloud Services
1 16 (39.02%) Amazon AWS
2 13 (31.71%) Microsoft Azure
3 9 (21.95%) Apigee
3 9 (21.95%) IaaS
3 9 (21.95%) PaaS
4 4 (9.76%) Amazon S3
5 2 (4.88%) Amazon EC2
5 2 (4.88%) Amazon ELB
5 2 (4.88%) AWS CloudFormation
5 2 (4.88%) Route 53
5 2 (4.88%) Virtual Private Cloud
6 1 (2.44%) Amazon CloudWatch
6 1 (2.44%) Amazon EMR
6 1 (2.44%) AWS Lambda
6 1 (2.44%) Datadog
6 1 (2.44%) Google Cloud Platform
6 1 (2.44%) Serverless
Communications & Networking
1 11 (26.83%) SSL
2 9 (21.95%) Skype
3 4 (9.76%) VPN
4 2 (4.88%) DNS
4 2 (4.88%) IPsec
4 2 (4.88%) OpenVPN
5 1 (2.44%) HTTP
5 1 (2.44%) Kerberos
Database & Business Intelligence
1 9 (21.95%) Big Data
1 9 (21.95%) Hadoop
2 3 (7.32%) MySQL
3 2 (4.88%) Cloudera CDH
3 2 (4.88%) MariaDB
4 1 (2.44%) Amazon Athena
4 1 (2.44%) Amazon DynamoDB
4 1 (2.44%) Amazon Redshift
4 1 (2.44%) Electronic Patient Records
4 1 (2.44%) Jackrabbit
4 1 (2.44%) Oracle Database
4 1 (2.44%) Oracle Reports
4 1 (2.44%) PostgreSQL
4 1 (2.44%) Relational Database
Development Applications
1 10 (24.39%) JIRA
2 9 (21.95%) Git (software)
2 9 (21.95%) Jenkins
3 4 (9.76%) Atlassian Bamboo
4 3 (7.32%) Subversion
5 2 (4.88%) HP UFT
5 2 (4.88%) Sonatype Nexus
5 2 (4.88%) Vagrant
6 1 (2.44%) Bitbucket
6 1 (2.44%) Gitweb
6 1 (2.44%) Maven
6 1 (2.44%) Octopus Deploy
6 1 (2.44%) Oracle Forms
6 1 (2.44%) Travis CI
General
1 2 (4.88%) Retail
2 1 (2.44%) Electronics
2 1 (2.44%) Finance
2 1 (2.44%) Manufacturing
2 1 (2.44%) Marketing
2 1 (2.44%) Telecoms
Job Titles
1 15 (36.59%) DevOps Engineer
2 12 (29.27%) Developer
3 9 (21.95%) Software Developer
4 7 (17.07%) AWS DevOps
4 7 (17.07%) HTML Developer
4 7 (17.07%) SQL Developer
5 6 (14.63%) AWS DevOps Engineer
5 6 (14.63%) AWS Engineer
5 6 (14.63%) Linux Engineer
5 6 (14.63%) Linux/Unix DevOps
6 5 (12.20%) Linux DevOps Engineer
6 5 (12.20%) Senior Developer
7 4 (9.76%) Senior Software Developer
7 4 (9.76%) Senior SQL Developer
8 3 (7.32%) Azure Developer
8 3 (7.32%) Cloud Engineer
8 3 (7.32%) Data Engineer
8 3 (7.32%) Hadoop Engineer
8 3 (7.32%) Java Developer
9 2 (4.88%) Kubernetes Engineer
Libraries, Frameworks & Software Standards
1 10 (24.39%) AngularJS
1 10 (24.39%) HTML
1 10 (24.39%) JSON
1 10 (24.39%) Node.js
1 10 (24.39%) XML
2 9 (21.95%) HTML5
2 9 (21.95%) jQuery
2 9 (21.95%) Natural Language Processing
2 9 (21.95%) React
2 9 (21.95%) RESTful
2 9 (21.95%) SignalR
2 9 (21.95%) SOAP
2 9 (21.95%) WebSockets
3 8 (19.51%) Elastic Stack
4 7 (17.07%) Web Services
5 6 (14.63%) Kafka
6 2 (4.88%) LAMP
6 2 (4.88%) REST
6 2 (4.88%) Software Packaging
7 1 (2.44%) JSR 170
Miscellaneous
1 9 (21.95%) Mobile App
2 2 (4.88%) Distributed Denial-of-Service
2 2 (4.88%) Enterprise Software
2 2 (4.88%) Linux Command Line
3 1 (2.44%) Data Centre
3 1 (2.44%) Fat Client
3 1 (2.44%) Management Information System
3 1 (2.44%) Private Cloud
3 1 (2.44%) Thin Client
3 1 (2.44%) Virtual Team
Operating Systems
1 41 (100.00%) Linux
2 20 (48.78%) Red Hat Enterprise Linux
3 12 (29.27%) Windows
4 2 (4.88%) Fedora
4 2 (4.88%) Ubuntu
4 2 (4.88%) Windows Server
5 1 (2.44%) Unix
5 1 (2.44%) VMS
5 1 (2.44%) Windows Server 2008
Processes & Methodologies
1 19 (46.34%) Agile Software Development
2 18 (43.90%) DevOps
3 12 (29.27%) Machine Learning
4 11 (26.83%) Analytics
4 11 (26.83%) Configuration Management
5 10 (24.39%) Scrum
6 9 (21.95%) Artificial Intelligence
6 9 (21.95%) Conversational UI
6 9 (21.95%) Data Analytics
6 9 (21.95%) Mobile Application Development
6 9 (21.95%) Sentiment Analysis
6 9 (21.95%) Speech Recognition
7 8 (19.51%) Collaborative Working
7 8 (19.51%) Service Management
8 4 (9.76%) Content Management
8 4 (9.76%) Continuous Integration
8 4 (9.76%) Migration
9 3 (7.32%) Project Management
10 2 (4.88%) ITIL
10 2 (4.88%) Workflow
Programming Languages
1 18 (43.90%) Java
1 18 (43.90%) Python
2 13 (31.71%) Bash Shell
3 11 (26.83%) PowerShell
4 10 (24.39%) JavaScript
4 10 (24.39%) SQL
5 9 (21.95%) R
6 6 (14.63%) Java 8
7 2 (4.88%) Ruby
7 2 (4.88%) Shell Script
8 1 (2.44%) Perl
Qualifications
1 3 (7.32%) Security Cleared
2 2 (4.88%) DV Cleared
3 1 (2.44%) RHCA
3 1 (2.44%) RHCE
3 1 (2.44%) SC Cleared
Quality Assurance & Compliance
1 2 (4.88%) COBIT
1 2 (4.88%) ISO/IEC 27001
1 2 (4.88%) Sarbanes-Oxley
System Software
1 7 (17.07%) Docker
2 2 (4.88%) Btrfs
2 2 (4.88%) VMware Infrastructure
3 1 (2.44%) Hyper-V
3 1 (2.44%) KVM
3 1 (2.44%) Virtual Machines
3 1 (2.44%) VirtualBox
3 1 (2.44%) vSphere
3 1 (2.44%) Xen
Systems Management
1 18 (43.90%) Ansible
2 11 (26.83%) Terraform
3 10 (24.39%) Puppet
4 5 (12.20%) Kubernetes
5 3 (7.32%) Consul
5 3 (7.32%) Opscode Chef
6 2 (4.88%) HAProxy
6 2 (4.88%) HP Fortify
6 2 (4.88%) Oracle ZFS
6 2 (4.88%) Rancher
7 1 (2.44%) Docker Swarm
7 1 (2.44%) Grafana
7 1 (2.44%) Graphite
7 1 (2.44%) Nagios
7 1 (2.44%) Packer
7 1 (2.44%) Pingdom
7 1 (2.44%) ZABBIX
Vendors
1 17 (41.46%) Red Hat
2 9 (21.95%) Microsoft
2 9 (21.95%) ServiceNow
3 3 (7.32%) HP
3 3 (7.32%) VMware
4 2 (4.88%) Cloudera
4 2 (4.88%) Oracle
5 1 (2.44%) AppDynamics
5 1 (2.44%) Atlassian
5 1 (2.44%) Citrix
5 1 (2.44%) Google
5 1 (2.44%) MKS
5 1 (2.44%) New Relic
5 1 (2.44%) PagerDuty
5 1 (2.44%) SAP
5 1 (2.44%) Splunk