Period
to 27 May 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 27 May 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
27 May 2018
Same period 2017 Same period 2016
Rank 131 108 142
Rank change year-on-year -23 +34 +36
Contract jobs citing CentOS 38 44 39
As % of all contract IT jobs advertised in Berkshire 0.97% 1.15% 0.79%
As % of the Operating Systems category 5.18% 7.80% 4.07%
Number of daily rates quoted 30 39 33
Berkshire median daily rate £575 £525 £450
Median daily rate % change year-on-year +9.52% +16.67% +28.57%
10th Percentile £473 £373 £411
90th Percentile £601 £625 £525
South East median daily rate £533 £483 £448
% change year-on-year +10.36% +7.82% +19.33%
Number of hourly rates quoted 1 0 0
Berkshire median hourly rate £17.00 - -
South East median hourly rate £33.25 - £55.00

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 734 564 958
As % of all contract IT jobs advertised in Berkshire 18.66% 14.80% 19.38%
Number of daily rates quoted 399 302 552
Berkshire median daily rate £400 £381 £380
Median daily rate % change year-on-year +4.99% +0.26% +1.33%
10th Percentile £174 £186 £220
90th Percentile £575 £550 £513
South East median daily rate £413 £400 £375
% change year-on-year +3.13% +6.67% +7.14%
Number of hourly rates quoted 50 45 64
Berkshire median hourly rate £14.93 £13.00 £15.75
Median hourly rate % change year-on-year +14.85% -17.46% -14.98%
10th Percentile £8.00 £12.00 £10.65
90th Percentile £42.63 £44.75 £55.55
South East median hourly rate £17.50 £15.25 £19.00
% change year-on-year +14.75% -19.74% +15.15%

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 27 May 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 27 May 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 -14 9 £525 +5.00% 5
Bracknell - 5 £500 - 3
Windsor -6 3 £575 -
Newbury -17 2 £450 +34.33% 1
CentOS
South East

For the 6 months to 27 May 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 38 (100.00%) Linux
2 27 (71.05%) Java
2 27 (71.05%) Bash Shell
3 25 (65.79%) Hadoop
4 23 (60.53%) Big Data
5 22 (57.89%) PostgreSQL
6 21 (55.26%) SQL Server
6 21 (55.26%) SOAP
6 21 (55.26%) Web Services
6 21 (55.26%) RESTful
6 21 (55.26%) Sqoop
6 21 (55.26%) Hortonworks
6 21 (55.26%) Cloudera
6 21 (55.26%) Kafka
6 21 (55.26%) Apache Flume
6 21 (55.26%) Analytics
6 21 (55.26%) MapR
6 21 (55.26%) Oozie
6 21 (55.26%) HDFS
6 21 (55.26%) Data Lake
6 21 (55.26%) Data Strategy
7 20 (52.63%) Greenfield Project
7 20 (52.63%) Google
8 19 (50.00%) Scala
9 18 (47.37%) Web Analytics
9 18 (47.37%) Apache Hive
9 18 (47.37%) HBase
9 18 (47.37%) Salesforce.com
9 18 (47.37%) Tealium
9 18 (47.37%) Tag Management

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 18 (47.37%) Apache Spark
2 2 (5.26%) Tomcat
3 1 (2.63%) Apache
3 1 (2.63%) Apache Pig
3 1 (2.63%) Elasticsearch
3 1 (2.63%) nginx
3 1 (2.63%) WebLogic
Cloud Services
1 18 (47.37%) Google Tag Manager
2 7 (18.42%) Amazon AWS
3 5 (13.16%) AWS CloudFormation
4 2 (5.26%) AWS Lambda
4 2 (5.26%) CloudBees
4 2 (5.26%) Google Cloud Platform
4 2 (5.26%) Serverless
5 1 (2.63%) Amazon CloudWatch
5 1 (2.63%) Amazon EC2
5 1 (2.63%) Amazon ELB
5 1 (2.63%) Microsoft Azure
5 1 (2.63%) Route 53
5 1 (2.63%) Virtual Private Cloud
Communications & Networking
1 3 (7.89%) HTTP
1 3 (7.89%) SSH
1 3 (7.89%) TCP/IP
2 1 (2.63%) Software-Defined Networking
2 1 (2.63%) VPN
Database & Business Intelligence
1 25 (65.79%) Hadoop
2 23 (60.53%) Big Data
3 22 (57.89%) PostgreSQL
4 21 (55.26%) Data Lake
4 21 (55.26%) SQL Server
4 21 (55.26%) Sqoop
5 18 (47.37%) Apache Hive
5 18 (47.37%) HBase
5 18 (47.37%) Impala
6 2 (5.26%) Amazon DynamoDB
6 2 (5.26%) NoSQL
6 2 (5.26%) RDBMS
6 2 (5.26%) Relational Database
7 1 (2.63%) Amazon RDS
Development Applications
1 13 (34.21%) Jenkins
2 5 (13.16%) Git (software)
3 2 (5.26%) Vagrant
General
1 1 (2.63%) Manufacturing
Job Titles
1 11 (28.95%) DevOps Engineer
2 5 (13.16%) Developer
3 3 (7.89%) Big Data Developer
3 3 (7.89%) Linux Engineer
4 2 (5.26%) Linux Developer
4 2 (5.26%) Open Source Developer
4 2 (5.26%) Python Developer
4 2 (5.26%) Senior DevOps
4 2 (5.26%) Senior DevOps Engineer
5 1 (2.63%) Cabling Engineer
5 1 (2.63%) Cloud Engineer
5 1 (2.63%) E-Commerce Developer
5 1 (2.63%) Installation Technician
5 1 (2.63%) Installations Engineer
5 1 (2.63%) Java Developer
5 1 (2.63%) Linux DevOps Engineer
5 1 (2.63%) Linux/Unix DevOps
5 1 (2.63%) Product Engineer
5 1 (2.63%) SC Cleared Java Developer
5 1 (2.63%) Senior Linux Engineer
Libraries, Frameworks & Software Standards
1 21 (55.26%) Kafka
1 21 (55.26%) RESTful
1 21 (55.26%) SOAP
1 21 (55.26%) Web Services
2 2 (5.26%) Node.js
3 1 (2.63%) Middleware
Miscellaneous
1 20 (52.63%) Greenfield Project
2 3 (7.89%) Linux Command Line
3 1 (2.63%) Data Centre
3 1 (2.63%) Private Cloud
3 1 (2.63%) Public Cloud
Operating Systems
1 38 (100.00%) Linux
2 8 (21.05%) Ubuntu
3 5 (13.16%) Red Hat Enterprise Linux
4 4 (10.53%) Debian
4 4 (10.53%) Unix
5 3 (7.89%) Amazon Linux
6 2 (5.26%) Windows
Processes & Methodologies
1 21 (55.26%) Analytics
1 21 (55.26%) Data Strategy
2 18 (47.37%) Tag Management
2 18 (47.37%) Web Analytics
3 15 (39.47%) DevOps
4 8 (21.05%) Open Source
5 7 (18.42%) Configuration Management
6 5 (13.16%) E-Commerce
7 3 (7.89%) Data Engineering
7 3 (7.89%) Data Ingestion
7 3 (7.89%) Deployment Automation
7 3 (7.89%) Open Source Development
8 2 (5.26%) Continuous Integration
8 2 (5.26%) Infrastructure Management
9 1 (2.63%) Agile Software Development
9 1 (2.63%) Load Balancing
9 1 (2.63%) Root Cause Analysis
9 1 (2.63%) TDD
9 1 (2.63%) Test Automation
9 1 (2.63%) Web Development
Programming Languages
1 27 (71.05%) Bash Shell
1 27 (71.05%) Java
2 19 (50.00%) Scala
3 14 (36.84%) Python
4 3 (7.89%) C++
4 3 (7.89%) JavaScript
4 3 (7.89%) Ruby
5 2 (5.26%) C
5 2 (5.26%) Go
5 2 (5.26%) Groovy
5 2 (5.26%) PowerShell
5 2 (5.26%) Shell Script
6 1 (2.63%) PHP
Qualifications
1 3 (7.89%) SC Cleared
1 3 (7.89%) Security Cleared
Quality Assurance & Compliance
1 2 (5.26%) GCP
System Software
1 21 (55.26%) Apache Flume
1 21 (55.26%) HDFS
2 4 (10.53%) Docker
3 1 (2.63%) Active Directory
3 1 (2.63%) KVM
3 1 (2.63%) VMware ESXi
Systems Management
1 21 (55.26%) Oozie
2 9 (23.68%) Ansible
3 8 (21.05%) Puppet
4 6 (15.79%) Opscode Chef
5 5 (13.16%) Terraform
6 4 (10.53%) Packer
7 3 (7.89%) Kubernetes
7 3 (7.89%) SELinux
8 2 (5.26%) Kibana
9 1 (2.63%) Nagios
9 1 (2.63%) vCenter Server
Vendors
1 21 (55.26%) Cloudera
1 21 (55.26%) Hortonworks
1 21 (55.26%) MapR
2 20 (52.63%) Google
3 18 (47.37%) Salesforce.com
3 18 (47.37%) Talend
3 18 (47.37%) Tealium
4 9 (23.68%) Red Hat
5 2 (5.26%) SaltStack
5 2 (5.26%) VMware
6 1 (2.63%) New Relic
6 1 (2.63%) Oracle