The following table provides summary statistics for contract job vacancies advertised in Chester with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 3 months to 25 June 2017 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.

Linux
Cheshire / Chester
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 18 14 4
Rank change year-on-year -4 -10  
Contract jobs citing Linux 7 30 44
As % of all contract IT jobs advertised in Chester 5.04% 13.70% 20.28%
As % of the Operating Systems category 20.59% 58.82% 45.36%
Number of daily rates quoted 6 28 25
Median daily rate £400 £413 £438
Median daily rate % change year-on-year -3.03% -5.71%  
90% offered a daily rate of more than £325 £400 £350
10% offered a daily rate of more than £463 £504 £500
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.66%  

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Chester with a requirement for operating system skills.

Contract Operating System Skills
Chester
Contract job vacancies with a requirement for operating system skills 34 51 97
As % of all contract IT job vacancies advertised in Chester 24.46% 23.29% 44.70%
Number of daily rates quoted 24 39 50
Median daily rate £300 £413 £375
Median daily rate % change year-on-year -27.27% +10.00%  
90% offered a daily rate of more than £280 £220 £225
10% offered a daily rate of more than £450 £513 £500
UK excluding London median daily rate £375 £363 £345
% change year-on-year +3.44% +5.07%  
Number of hourly rates quoted 7 9 8
Median hourly rate £13.00 £13.50 £15.00
Median hourly rate % change year-on-year -3.70% -10.00%  
90% offered a hourly rate of more than £11.00 £13.50 £14.00
10% offered a hourly rate of more than £16.09 £21.00 £16.84
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

Linux
Job Vacancy Trend in Chester

The job posting trend of jobs advertised in Chester citing Linux as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Chester

Linux
Contractor Daily Rate Trend in Chester

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

Contractor daily rate trend for Linux in Chester

Linux
Contractor Daily Rate Histogram in Chester

The daily rate distribution of IT jobs citing Linux in Chester over the 3 months to 25 June 2017.

Contractor daily rate histogram for Linux in Chester

Linux
Contractor Hourly Rate Trend in Chester

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in Chester.

Contractor hourly rate trend for Linux in Chester

For the 6 months to 25 June 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Chester region with a requirement for Linux.

1 6 (60.00%) SQL
2 5 (50.00%) Finance
3 4 (40.00%) ETL
3 4 (40.00%) Banking
3 4 (40.00%) Investment Banking
4 3 (30.00%) Agile Software Development
4 3 (30.00%) Amazon AWS
4 3 (30.00%) Puppet
4 3 (30.00%) Big Data
5 2 (20.00%) Talend
5 2 (20.00%) Kafka
5 2 (20.00%) Apache Pig
5 2 (20.00%) Waterfall
5 2 (20.00%) BDD
5 2 (20.00%) Open Source
5 2 (20.00%) vSphere
5 2 (20.00%) Apache Hive
5 2 (20.00%) Oracle Database 12c
5 2 (20.00%) Oracle Database
5 2 (20.00%) Ansible
5 2 (20.00%) Spark SQL
5 2 (20.00%) System Integration Testing
5 2 (20.00%) Data Engineering
5 2 (20.00%) Amazon Kinesis
5 2 (20.00%) Hadoop
5 2 (20.00%) Shell Script
5 2 (20.00%) Oracle
5 2 (20.00%) Oracle9i Database
5 2 (20.00%) Python
5 2 (20.00%) Data Warehouse

Linux
Co-occurring IT Skills in Chester 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 2 (20.00%) Apache Pig
2 1 (10.00%) Elasticsearch
Cloud Services
1 3 (30.00%) Amazon AWS
2 2 (20.00%) Amazon Kinesis
3 1 (10.00%) AWS CloudFormation
3 1 (10.00%) Office 365
Communications & Networking
1 2 (20.00%) NAS
1 2 (20.00%) SAN
2 1 (10.00%) Internet
2 1 (10.00%) VLAN
Database & Business Intelligence
1 3 (30.00%) Big Data
2 2 (20.00%) Apache Hive
2 2 (20.00%) Data Warehouse
2 2 (20.00%) Hadoop
2 2 (20.00%) Oracle Database
2 2 (20.00%) Oracle Database 10g
2 2 (20.00%) Oracle Database 11g
2 2 (20.00%) Oracle Database 12c
2 2 (20.00%) Oracle9i Database
2 2 (20.00%) Spark SQL
3 1 (10.00%) MySQL
Development Applications
1 2 (20.00%) Talend Open Studio
1 2 (20.00%) Toad
2 1 (10.00%) Jenkins
General
1 5 (50.00%) Finance
2 4 (40.00%) Banking
2 4 (40.00%) Investment Banking
3 1 (10.00%) Front Office
Job Titles
1 3 (30.00%) Developer
1 3 (30.00%) Linux Engineer
2 2 (20.00%) Administrator
2 2 (20.00%) AWS Engineer
2 2 (20.00%) Data Engineer
2 2 (20.00%) Database Developer
2 2 (20.00%) Oracle Database Developer
2 2 (20.00%) Oracle Developer
2 2 (20.00%) PL/SQL Developer
2 2 (20.00%) SQL Database Developer
2 2 (20.00%) SQL Developer
2 2 (20.00%) Support Engineer
2 2 (20.00%) Systems Administrator
3 1 (10.00%) Applications Engineer
3 1 (10.00%) DevOps Engineer
3 1 (10.00%) Infrastructure Engineer
3 1 (10.00%) Infrastructure Support
3 1 (10.00%) Java Developer
3 1 (10.00%) Linux Support Engineer
3 1 (10.00%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 2 (20.00%) Kafka
2 1 (10.00%) Elastic Stack
2 1 (10.00%) Node.js
2 1 (10.00%) Web Services
2 1 (10.00%) XML
Miscellaneous
1 1 (10.00%) Data Centre
1 1 (10.00%) Derivative
1 1 (10.00%) Foreign Exchange (FX)
1 1 (10.00%) OTC Derivatives
Operating Systems
1 2 (20.00%) Red Hat Enterprise Linux
1 2 (20.00%) Unix
1 2 (20.00%) Windows
2 1 (10.00%) Windows Server
Processes & Methodologies
1 4 (40.00%) ETL
2 3 (30.00%) Agile Software Development
3 2 (20.00%) BDD
3 2 (20.00%) Data Engineering
3 2 (20.00%) Data Integration
3 2 (20.00%) Integration Testing
3 2 (20.00%) Kanban
3 2 (20.00%) Open Source
3 2 (20.00%) System Integration Testing
3 2 (20.00%) Waterfall
4 1 (10.00%) Continuous Integration
4 1 (10.00%) DevOps
4 1 (10.00%) OO
4 1 (10.00%) OOP
4 1 (10.00%) SDLC
4 1 (10.00%) User Acceptance Testing
Programming Languages
1 6 (60.00%) SQL
2 2 (20.00%) PL/SQL
2 2 (20.00%) Python
2 2 (20.00%) Shell Script
3 1 (10.00%) Bash Shell
3 1 (10.00%) Java
3 1 (10.00%) Korn
3 1 (10.00%) Perl
3 1 (10.00%) Ruby
Quality Assurance & Compliance
1 1 (10.00%) Dodd-Frank
1 1 (10.00%) EMIR
1 1 (10.00%) QA
System Software
1 2 (20.00%) Active Directory
1 2 (20.00%) vSphere
2 1 (10.00%) Docker
2 1 (10.00%) VMware ESXi
2 1 (10.00%) XenServer
Systems Management
1 3 (30.00%) Puppet
2 2 (20.00%) Ansible
3 1 (10.00%) Kibana
3 1 (10.00%) logstash
3 1 (10.00%) Opscode Chef
3 1 (10.00%) Terraform
3 1 (10.00%) Webmin
Vendors
1 2 (20.00%) Citrix
1 2 (20.00%) HP
1 2 (20.00%) IBM
1 2 (20.00%) Oracle
1 2 (20.00%) Talend
2 1 (10.00%) Google
2 1 (10.00%) Twitter