Period
to 16 November 2018

The following table provides summary statistics for contract job vacancies advertised in Reading 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 November 2018 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
Berkshire > Reading
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 87 83 92
Rank change year-on-year -4 +9 +13
Contract jobs citing CentOS 14 3 7
As % of all contract IT jobs advertised in Reading 0.94% 0.24% 0.47%
As % of the Operating Systems category 5.20% 1.17% 2.47%
Number of daily rates quoted 11 2 5
Reading median daily rate £440 £419 £438
Median daily rate % change year-on-year +5.07% -4.29% -10.71%
10th Percentile £375 £397 £420
90th Percentile £575 £431 £470
Berkshire median daily rate £440 £388 £463
% change year-on-year +13.55% -16.22% +23.33%
Number of hourly rates quoted 0 0 0
Reading median hourly rate - - -
Berkshire 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 Reading with a requirement for operating system skills.

All Operating Systems
Reading
Contract vacancies with a requirement for operating system skills 269 256 283
As % of all contract IT jobs advertised in Reading 18.01% 20.08% 18.89%
Number of daily rates quoted 152 140 155
Reading median daily rate £419 £400 £388
Median daily rate % change year-on-year +4.69% +3.23% -3.13%
10th Percentile £140 £199 £205
90th Percentile £550 £550 £565
Berkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% -3.23%
Number of hourly rates quoted 8 34 15
Reading median hourly rate £24.75 £15.00 £24.06
Median hourly rate % change year-on-year +65.00% -37.66% -0.25%
10th Percentile £20.00 £10.75 £10.95
90th Percentile £39.60 £41.50 £55.65
Berkshire median hourly rate £17.25 £13.75 £14.50
% change year-on-year +25.45% -5.17% -32.71%

CentOS
Job Vacancy Trend in Reading

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

Job vacancy trend for CentOS in Reading

CentOS
Contractor Daily Rate Trend in Reading

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

Contractor daily rate trend for CentOS in Reading

CentOS
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing CentOS in Reading over the 6 months to 16 November 2018.

Contractor daily rate histogram for CentOS in Reading

For the 6 months to 16 November 2018, 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 Reading region with a requirement for CentOS.

1 14 (100.00%) Linux
2 12 (85.71%) DevOps
3 11 (78.57%) Python
3 11 (78.57%) Red Hat
3 11 (78.57%) Amazon AWS
4 8 (57.14%) Puppet
5 7 (50.00%) Bash Shell
6 6 (42.86%) Configuration Management
6 6 (42.86%) Ansible
6 6 (42.86%) Terraform
7 5 (35.71%) Docker
7 5 (35.71%) Web Services
7 5 (35.71%) Jenkins
8 3 (21.43%) Microsoft Azure
8 3 (21.43%) PowerShell
8 3 (21.43%) Red Hat Enterprise Linux
8 3 (21.43%) Java
8 3 (21.43%) Opscode Chef
8 3 (21.43%) Elasticsearch
9 2 (14.29%) Virtual Private Cloud
9 2 (14.29%) Kubernetes
9 2 (14.29%) Btrfs
9 2 (14.29%) Oracle ZFS
9 2 (14.29%) Consul
9 2 (14.29%) Elastic Stack
9 2 (14.29%) HAProxy
9 2 (14.29%) MySQL
9 2 (14.29%) Windows
9 2 (14.29%) Apache
9 2 (14.29%) VPN

CentOS
Co-occurring IT Skills in Reading 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 3 (21.43%) Elasticsearch
2 2 (14.29%) Apache
Cloud Services
1 11 (78.57%) Amazon AWS
2 3 (21.43%) Microsoft Azure
3 2 (14.29%) Amazon EC2
3 2 (14.29%) Amazon ELB
3 2 (14.29%) Amazon S3
3 2 (14.29%) Route 53
3 2 (14.29%) Virtual Private Cloud
4 1 (7.14%) Amazon CloudWatch
4 1 (7.14%) AWS CloudFormation
4 1 (7.14%) Datadog
4 1 (7.14%) Google Cloud Platform
Communications & Networking
1 2 (14.29%) IPsec
1 2 (14.29%) OpenVPN
1 2 (14.29%) SSL
1 2 (14.29%) VPN
2 1 (7.14%) HTTP
2 1 (7.14%) TCP/IP
Database & Business Intelligence
1 2 (14.29%) Hadoop
1 2 (14.29%) MariaDB
1 2 (14.29%) MySQL
1 2 (14.29%) PostgreSQL
2 1 (7.14%) Big Data
Development Applications
1 5 (35.71%) Jenkins
2 1 (7.14%) Atlassian Bamboo
2 1 (7.14%) Travis CI
2 1 (7.14%) Vagrant
Job Titles
1 12 (85.71%) DevOps Engineer
2 3 (21.43%) AWS DevOps
2 3 (21.43%) AWS DevOps Engineer
2 3 (21.43%) AWS Engineer
2 3 (21.43%) Cloud Engineer
3 2 (14.29%) Linux DevOps Engineer
3 2 (14.29%) Linux Engineer
3 2 (14.29%) Linux Scripter
3 2 (14.29%) Linux/Unix DevOps
4 1 (7.14%) AWS Consultant
4 1 (7.14%) Consultant
4 1 (7.14%) Developer
4 1 (7.14%) DevOps Consultant
4 1 (7.14%) Lead Software Engineer
4 1 (7.14%) Software Support Engineer
4 1 (7.14%) Support Engineer
4 1 (7.14%) Technical Engineer
4 1 (7.14%) Technical Leader
4 1 (7.14%) Technical Support
4 1 (7.14%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 5 (35.71%) Web Services
2 2 (14.29%) Elastic Stack
2 2 (14.29%) LAMP
2 2 (14.29%) Middleware
3 1 (7.14%) AngularJS
3 1 (7.14%) CSS
3 1 (7.14%) HTML
3 1 (7.14%) JSP
3 1 (7.14%) REST
3 1 (7.14%) Twitter Bootstrap
Miscellaneous
1 1 (7.14%) BBC
1 1 (7.14%) Fat Client
1 1 (7.14%) Private Cloud
1 1 (7.14%) Thin Client
Operating Systems
1 14 (100.00%) Linux
2 3 (21.43%) Red Hat Enterprise Linux
3 2 (14.29%) Fedora
3 2 (14.29%) Windows
4 1 (7.14%) Ubuntu
4 1 (7.14%) Windows Server
4 1 (7.14%) Windows Server 2008
Processes & Methodologies
1 12 (85.71%) DevOps
2 6 (42.86%) Configuration Management
3 2 (14.29%) Analytics
3 2 (14.29%) Migration
4 1 (7.14%) Continuous Integration
4 1 (7.14%) Data Protection
4 1 (7.14%) Machine Learning
4 1 (7.14%) Microservices
4 1 (7.14%) Multithreading
4 1 (7.14%) Server Monitoring
4 1 (7.14%) Task Automation
Programming Languages
1 11 (78.57%) Python
2 7 (50.00%) Bash Shell
3 3 (21.43%) Java
3 3 (21.43%) PowerShell
4 1 (7.14%) JavaScript
4 1 (7.14%) Perl
Qualifications
1 2 (14.29%) Security Cleared
2 1 (7.14%) DV Cleared
2 1 (7.14%) SC Cleared
System Software
1 5 (35.71%) Docker
2 2 (14.29%) Btrfs
3 1 (7.14%) Active Directory
3 1 (7.14%) Hyper-V
3 1 (7.14%) Virtual Machines
3 1 (7.14%) VirtualBox
3 1 (7.14%) VMware Infrastructure
Systems Management
1 8 (57.14%) Puppet
2 6 (42.86%) Ansible
2 6 (42.86%) Terraform
3 3 (21.43%) Opscode Chef
4 2 (14.29%) Consul
4 2 (14.29%) HAProxy
4 2 (14.29%) Kubernetes
4 2 (14.29%) Oracle ZFS
5 1 (7.14%) Kibana
5 1 (7.14%) Packer
5 1 (7.14%) ZABBIX
Vendors
1 11 (78.57%) Red Hat
2 2 (14.29%) Google
3 1 (7.14%) Citrix
3 1 (7.14%) MKS
3 1 (7.14%) New Relic
3 1 (7.14%) Splunk
3 1 (7.14%) VMware