Period
to 17 October 2018

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 17 October 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
South East > Berkshire
6 months to
17 Oct 2018
Same period 2017 Same period 2016
Rank 132 138 161
Rank change year-on-year +6 +23 +10
Contract jobs citing CentOS 35 27 16
As % of all contract IT jobs advertised in Berkshire 0.89% 0.67% 0.36%
As % of the Operating Systems category 5.36% 3.59% 1.78%
Number of daily rates quoted 20 19 17
Berkshire median daily rate £445 £500 £463
Median daily rate % change year-on-year -11.00% +8.11% +23.33%
10th Percentile £323 £300 £425
90th Percentile £575 £613 £512
South East median daily rate £429 £475 £438
% change year-on-year -9.79% +8.57% +6.97%
Number of hourly rates quoted 0 3 0
Berkshire median hourly rate - £18.00 -
South East median hourly rate £60.00 £18.00 £55.00
% change year-on-year +233.33% -67.27% -

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 653 753 897
As % of all contract IT jobs advertised in Berkshire 16.59% 18.81% 20.05%
Number of daily rates quoted 354 377 489
Berkshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -3.23%
10th Percentile £154 £194 £215
90th Percentile £550 £550 £538
South East median daily rate £400 £400 £380
% change year-on-year - +5.26% +4.83%
Number of hourly rates quoted 47 63 61
Berkshire median hourly rate £17.00 £14.00 £12.50
Median hourly rate % change year-on-year +21.43% +12.00% -42.00%
10th Percentile £11.17 £10.85 £11.25
90th Percentile £41.95 £39.75 £43.28
South East median hourly rate £17.50 £17.50 £17.06
% change year-on-year - +2.58% -5.22%

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 17 October 2018.

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 17 October 2018. 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 £440 +6.67% 7
Newbury +3 9 £450 +34.33% 1
Maidenhead +7 4 £488 +21.88% 1
Bracknell +3 4 £500 +102.02%
Slough -15 3 £275 -47.62% 1
CentOS
South East

For the 6 months to 17 October 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 Berkshire region with a requirement for CentOS.

1 35 (100.00%) Linux
2 21 (60.00%) Ansible
2 21 (60.00%) DevOps
3 20 (57.14%) Amazon AWS
3 20 (57.14%) Red Hat
4 16 (45.71%) Python
4 16 (45.71%) Configuration Management
4 16 (45.71%) Puppet
5 14 (40.00%) Red Hat Enterprise Linux
6 12 (34.29%) Terraform
7 11 (31.43%) Hadoop
7 11 (31.43%) Jenkins
8 10 (28.57%) Docker
8 10 (28.57%) Big Data
9 9 (25.71%) Elastic Stack
10 8 (22.86%) Kubernetes
10 8 (22.86%) Scrum
10 8 (22.86%) Agile Software Development
11 7 (20.00%) Kafka
11 7 (20.00%) Git (software)
11 7 (20.00%) Bash Shell
12 6 (17.14%) Web Services
13 5 (14.29%) VPN
13 5 (14.29%) DNS
13 5 (14.29%) Shell Script
13 5 (14.29%) Migration
13 5 (14.29%) JIRA
13 5 (14.29%) Continuous Integration
13 5 (14.29%) Opscode Chef
14 4 (11.43%) Google

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 4 (11.43%) Apache
2 3 (8.57%) Elasticsearch
Cloud Services
1 20 (57.14%) Amazon AWS
2 4 (11.43%) Amazon S3
3 3 (8.57%) AWS CloudFormation
3 3 (8.57%) Google Cloud Platform
3 3 (8.57%) Microsoft Azure
4 2 (5.71%) Amazon EC2
4 2 (5.71%) Amazon ELB
4 2 (5.71%) AWS Lambda
4 2 (5.71%) CloudBees
4 2 (5.71%) Route 53
4 2 (5.71%) Serverless
4 2 (5.71%) Virtual Private Cloud
5 1 (2.86%) Amazon CloudWatch
5 1 (2.86%) Datadog
Communications & Networking
1 5 (14.29%) DNS
1 5 (14.29%) VPN
2 2 (5.71%) IPsec
2 2 (5.71%) OpenVPN
2 2 (5.71%) SSL
3 1 (2.86%) HTTP
3 1 (2.86%) TCP/IP
Database & Business Intelligence
1 11 (31.43%) Hadoop
2 10 (28.57%) Big Data
3 2 (5.71%) Amazon DynamoDB
3 2 (5.71%) Cloudera CDH
3 2 (5.71%) MariaDB
3 2 (5.71%) MySQL
3 2 (5.71%) NoSQL
3 2 (5.71%) PostgreSQL
3 2 (5.71%) RDBMS
3 2 (5.71%) Relational Database
Development Applications
1 11 (31.43%) Jenkins
2 7 (20.00%) Git (software)
3 5 (14.29%) JIRA
4 3 (8.57%) Sonatype Nexus
5 1 (2.86%) Atlassian Bamboo
5 1 (2.86%) Travis CI
5 1 (2.86%) Vagrant
General
1 2 (5.71%) Telecoms
2 1 (2.86%) Automotive
2 1 (2.86%) Retail
Job Titles
1 20 (57.14%) DevOps Engineer
2 6 (17.14%) AWS DevOps
2 6 (17.14%) AWS DevOps Engineer
2 6 (17.14%) AWS Engineer
3 5 (14.29%) Linux Engineer
4 4 (11.43%) Cloud Engineer
4 4 (11.43%) Data Engineer
4 4 (11.43%) Linux DevOps Engineer
4 4 (11.43%) Linux/Unix DevOps
5 3 (8.57%) Analyst
5 3 (8.57%) Hadoop Engineer
5 3 (8.57%) Kubernetes Engineer
6 2 (5.71%) 2nd Line Support
6 2 (5.71%) Big Data Engineer
6 2 (5.71%) Linux Scripter
6 2 (5.71%) Security Analyst
6 2 (5.71%) Support Engineer
7 1 (2.86%) 2nd Line Engineer
7 1 (2.86%) Angular Developer
7 1 (2.86%) Product Engineer
Libraries, Frameworks & Software Standards
1 9 (25.71%) Elastic Stack
2 7 (20.00%) Kafka
3 6 (17.14%) Web Services
4 3 (8.57%) LAMP
4 3 (8.57%) Software Packaging
5 2 (5.71%) Middleware
5 2 (5.71%) Node.js
5 2 (5.71%) SOAP
6 1 (2.86%) AngularJS
6 1 (2.86%) CSS
6 1 (2.86%) HTML
6 1 (2.86%) JSP
6 1 (2.86%) REST
6 1 (2.86%) Twitter Bootstrap
Miscellaneous
1 3 (8.57%) Data Centre
2 2 (5.71%) Distributed Denial-of-Service
2 2 (5.71%) Linux Command Line
3 1 (2.86%) BBC
3 1 (2.86%) Fat Client
3 1 (2.86%) Private Cloud
3 1 (2.86%) Public Cloud
3 1 (2.86%) Thin Client
Operating Systems
1 35 (100.00%) Linux
2 14 (40.00%) Red Hat Enterprise Linux
3 4 (11.43%) Windows
4 3 (8.57%) Solaris
4 3 (8.57%) Ubuntu
4 3 (8.57%) Unix
5 2 (5.71%) Amazon Linux
5 2 (5.71%) Fedora
5 2 (5.71%) Windows Server
6 1 (2.86%) Windows Server 2008
Processes & Methodologies
1 21 (60.00%) DevOps
2 16 (45.71%) Configuration Management
3 8 (22.86%) Agile Software Development
3 8 (22.86%) Scrum
4 5 (14.29%) Continuous Integration
4 5 (14.29%) Migration
5 3 (8.57%) Machine Learning
5 3 (8.57%) SIEM
5 3 (8.57%) Vulnerability Management
5 3 (8.57%) Workflow
6 2 (5.71%) Analytics
6 2 (5.71%) Cyber Threat Intelligence
6 2 (5.71%) Cybersecurity
6 2 (5.71%) DDoS Mitigation
6 2 (5.71%) E-Commerce
6 2 (5.71%) Infrastructure Management
6 2 (5.71%) ITIL
6 2 (5.71%) Root Cause Analysis
6 2 (5.71%) Threat Intelligence
6 2 (5.71%) Vulnerability Assessment
Programming Languages
1 16 (45.71%) Python
2 7 (20.00%) Bash Shell
3 5 (14.29%) Shell Script
4 3 (8.57%) Java
4 3 (8.57%) JavaScript
4 3 (8.57%) Perl
4 3 (8.57%) PowerShell
4 3 (8.57%) Ruby
5 2 (5.71%) Go
5 2 (5.71%) Groovy
Qualifications
1 2 (5.71%) Security Cleared
2 1 (2.86%) CISM
2 1 (2.86%) CISSP
2 1 (2.86%) DV Cleared
2 1 (2.86%) SC Cleared
Quality Assurance & Compliance
1 2 (5.71%) COBIT
1 2 (5.71%) ISO/IEC 27001
1 2 (5.71%) Sarbanes-Oxley
1 2 (5.71%) SLA
System Software
1 10 (28.57%) Docker
2 3 (8.57%) Virtual Machines
2 3 (8.57%) VMware Infrastructure
3 2 (5.71%) Btrfs
3 2 (5.71%) NFS
3 2 (5.71%) VMware ESXi
4 1 (2.86%) Active Directory
4 1 (2.86%) Hyper-V
4 1 (2.86%) VirtualBox
Systems Management
1 21 (60.00%) Ansible
2 16 (45.71%) Puppet
3 12 (34.29%) Terraform
4 8 (22.86%) Kubernetes
5 5 (14.29%) Opscode Chef
6 3 (8.57%) Kibana
6 3 (8.57%) Packer
6 3 (8.57%) Rancher
7 2 (5.71%) Consul
7 2 (5.71%) HAProxy
7 2 (5.71%) Oracle ZFS
8 1 (2.86%) ZABBIX
Vendors
1 20 (57.14%) Red Hat
2 4 (11.43%) Citrix
2 4 (11.43%) Google
2 4 (11.43%) VMware
3 3 (8.57%) Oracle
3 3 (8.57%) Tekelec
4 2 (5.71%) Cloudera
4 2 (5.71%) NetApp
4 2 (5.71%) Sandvine
5 1 (2.86%) Cisco
5 1 (2.86%) HP
5 1 (2.86%) MKS
5 1 (2.86%) New Relic
5 1 (2.86%) Splunk