The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 23 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
West Midlands / Birmingham
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 25 35 14
Rank change year-on-year +10 -21  
Contract jobs citing Linux 32 37 60
As % of all contract IT jobs advertised in Birmingham 5.21% 4.55% 7.76%
As % of the Operating Systems category 33.33% 26.43% 45.45%
Number of daily rates quoted 26 27 40
Median daily rate £518 £250 £340
Median daily rate % change year-on-year +107.00% -26.47%  
90% offered a daily rate of more than £300 £250 £293
10% offered a daily rate of more than £550 £500 £378
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 1 0 5
Median hourly rate £40.00 - £26.00
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 Birmingham with a requirement for operating system skills.

Contract Operating System Skills
Birmingham
Contract job vacancies with a requirement for operating system skills 96 140 132
As % of all contract IT job vacancies advertised in Birmingham 15.64% 17.20% 17.08%
Number of daily rates quoted 61 90 82
Median daily rate £320 £330 £340
Median daily rate % change year-on-year -3.03% -2.94%  
90% offered a daily rate of more than £154 £175 £150
10% offered a daily rate of more than £538 £488 £413
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 9 9 15
Median hourly rate £10.00 £11.80 £17.50
Median hourly rate % change year-on-year -15.25% -32.57%  
UK excluding London median hourly rate £15.50 £16.50 £16.20
% change year-on-year -6.06% +1.85%  

Linux
Job Vacancy Trend in Birmingham

The job posting trend of jobs advertised in Birmingham 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 Birmingham

Linux
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for Linux in Birmingham

Linux
Contractor Daily Rate Histogram in Birmingham

The daily rate distribution of IT jobs citing Linux in Birmingham over the 3 months to 23 June 2017.

Contractor daily rate histogram for Linux in Birmingham

Linux
Contractor Hourly Rate Trend in Birmingham

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

Contractor hourly rate trend for Linux in Birmingham

For the 6 months to 23 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 Birmingham region with a requirement for Linux.

1 27 (40.30%) Amazon AWS
2 25 (37.31%) DevOps
3 24 (35.82%) Git (software)
4 22 (32.84%) Agile Software Development
5 20 (29.85%) Unix
5 20 (29.85%) Open Source
5 20 (29.85%) Continuous Integration
6 19 (28.36%) Java
7 17 (25.37%) PHP
7 17 (25.37%) Red Hat
7 17 (25.37%) Docker
8 16 (23.88%) Python
9 15 (22.39%) TCP/IP
9 15 (22.39%) PostgreSQL
9 15 (22.39%) Ansible
9 15 (22.39%) Microservices
10 14 (20.90%) SSL
10 14 (20.90%) MySQL
10 14 (20.90%) Puppet
10 14 (20.90%) Microsoft Azure
11 13 (19.40%) Jenkins
11 13 (19.40%) HTTP
12 12 (17.91%) Finance
12 12 (17.91%) Subversion
13 11 (16.42%) Spring
13 11 (16.42%) Migration
13 11 (16.42%) Configuration Management
13 11 (16.42%) Windows
13 11 (16.42%) Kubernetes
13 11 (16.42%) Opscode Chef

Linux
Co-occurring IT Skills in Birmingham 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 (13.43%) Cloud Foundry
2 6 (8.96%) Apache
2 6 (8.96%) Elasticsearch
3 4 (5.97%) Confluence
4 2 (2.99%) Apache Solr
4 2 (2.99%) Tomcat
5 1 (1.49%) JBoss
5 1 (1.49%) nginx
5 1 (1.49%) Oracle 10gAS
5 1 (1.49%) Oracle Application Server
5 1 (1.49%) WebSphere
Applications
1 1 (1.49%) Microsoft Office
Cloud Services
1 27 (40.30%) Amazon AWS
2 14 (20.90%) Microsoft Azure
3 10 (14.93%) GitHub
3 10 (14.93%) IaaS
4 9 (13.43%) Heroku
4 9 (13.43%) OpenShift
4 9 (13.43%) PaaS
4 9 (13.43%) SaaS
5 2 (2.99%) AWS CloudFormation
6 1 (1.49%) Amazon EC2
6 1 (1.49%) Amazon ElastiCache
6 1 (1.49%) Amazon ELB
6 1 (1.49%) Amazon S3
6 1 (1.49%) Amazon SQS
6 1 (1.49%) IBM PureFlex
6 1 (1.49%) Office 365
6 1 (1.49%) Route 53
6 1 (1.49%) Virtual Private Cloud
Communications & Networking
1 15 (22.39%) TCP/IP
2 14 (20.90%) SSL
3 13 (19.40%) HTTP
4 9 (13.43%) SAN
5 6 (8.96%) Network Security
6 5 (7.46%) DNS
6 5 (7.46%) LDAP
7 4 (5.97%) ICMP
8 2 (2.99%) Firewall
9 1 (1.49%) BGP
9 1 (1.49%) DHCP
9 1 (1.49%) EIGRP
9 1 (1.49%) FTP
9 1 (1.49%) Internet
9 1 (1.49%) OSPF
9 1 (1.49%) RIP
9 1 (1.49%) SNMP
9 1 (1.49%) TACACS
9 1 (1.49%) VPN
9 1 (1.49%) WAN
Database & Business Intelligence
1 15 (22.39%) PostgreSQL
2 14 (20.90%) MySQL
3 10 (14.93%) MongoDB
4 3 (4.48%) SQL Server
5 2 (2.99%) EDRMS
5 2 (2.99%) NoSQL
6 1 (1.49%) Amazon DynamoDB
6 1 (1.49%) Amazon RDS
6 1 (1.49%) OLAP
6 1 (1.49%) Oracle Database
6 1 (1.49%) Oracle Database 10g
6 1 (1.49%) Oracle OLAP
6 1 (1.49%) Oracle9i Database
6 1 (1.49%) SQL Server Analysis Services
6 1 (1.49%) SQL Server Integration Services
6 1 (1.49%) SQL Server Reporting Services
Development Applications
1 24 (35.82%) Git (software)
2 13 (19.40%) Jenkins
3 12 (17.91%) Subversion
4 9 (13.43%) Bitbucket
4 9 (13.43%) GitLab
5 8 (11.94%) gulp
6 5 (7.46%) JSHint
6 5 (7.46%) Mocha
7 4 (5.97%) JIRA
8 3 (4.48%) Grunt
9 1 (1.49%) git-flow
9 1 (1.49%) Mockito
9 1 (1.49%) Protractor
9 1 (1.49%) Vagrant
9 1 (1.49%) Visual Studio
General
1 12 (17.91%) Finance
2 9 (13.43%) Billing
3 5 (7.46%) Retail
4 4 (5.97%) Telecoms
5 3 (4.48%) Electronics
5 3 (4.48%) Manufacturing
6 1 (1.49%) Banking
6 1 (1.49%) Investment Banking
6 1 (1.49%) Legal
6 1 (1.49%) Retail Banking
Job Titles
1 18 (26.87%) Architect
2 11 (16.42%) Developer
3 8 (11.94%) Consultant
3 8 (11.94%) DevOps Engineer
4 7 (10.45%) Senior DevOps
5 4 (5.97%) Administrator
5 4 (5.97%) DevOps Architect
5 4 (5.97%) JavaScript Developer
5 4 (5.97%) PHP Developer
5 4 (5.97%) Software Engineer
5 4 (5.97%) Technical Architect
6 3 (4.48%) Java Architect
6 3 (4.48%) Lead DevOps
6 3 (4.48%) Lead DevOps Engineer
6 3 (4.48%) Senior DevOps Engineer
6 3 (4.48%) Senior WebOps Engineer
6 3 (4.48%) Storage Architect
6 3 (4.48%) WebOps Engineer
7 2 (2.99%) PostgreSQL Developer
7 2 (2.99%) Unix Architect
Libraries, Frameworks & Software Standards
1 11 (16.42%) Spring
2 10 (14.93%) CSS
2 10 (14.93%) HTML
2 10 (14.93%) Node.js
2 10 (14.93%) REST
2 10 (14.93%) Web Services
3 9 (13.43%) SOAP
3 9 (13.43%) Spring Boot
4 6 (8.96%) CSS3
5 5 (7.46%) Express
5 5 (7.46%) HTML5
6 4 (5.97%) CGI
6 4 (5.97%) FastCGI
6 4 (5.97%) Mustache
7 3 (4.48%) AngularJS
7 3 (4.48%) Doctrine
7 3 (4.48%) LESS
8 2 (2.99%) Akka
8 2 (2.99%) Play Framework
8 2 (2.99%) spray
Miscellaneous
1 6 (8.96%) Analytical Skills
2 5 (7.46%) Linux Command Line
3 4 (5.97%) Client/Server
3 4 (5.97%) Data Centre
4 3 (4.48%) CLARiiON
4 3 (4.48%) Computer Science
4 3 (4.48%) Public Cloud
4 3 (4.48%) Symmetrix DMX
5 2 (2.99%) HP Storage
5 2 (2.99%) Management Information System
6 1 (1.49%) Clustering
6 1 (1.49%) Mobile Banking
6 1 (1.49%) Streaming Video
6 1 (1.49%) User Experience
Operating Systems
1 20 (29.85%) Unix
2 11 (16.42%) Windows
3 6 (8.96%) Red Hat Enterprise Linux
4 5 (7.46%) CentOS
5 4 (5.97%) HPUX
5 4 (5.97%) Mac OS X
5 4 (5.97%) Solaris
5 4 (5.97%) Windows Server
6 2 (2.99%) Ubuntu
6 2 (2.99%) Windows Server 2003
7 1 (1.49%) AIX
7 1 (1.49%) Windows Server 2008
7 1 (1.49%) Windows Server 2012
Processes & Methodologies
1 25 (37.31%) DevOps
2 22 (32.84%) Agile Software Development
3 20 (29.85%) Continuous Integration
3 20 (29.85%) Open Source
4 15 (22.39%) Microservices
5 11 (16.42%) Configuration Management
5 11 (16.42%) Migration
6 10 (14.93%) Web Operations
6 10 (14.93%) Workflow
7 9 (13.43%) API Design
7 9 (13.43%) API Development
7 9 (13.43%) API Integration
7 9 (13.43%) Enterprise Architecture
8 8 (11.94%) Change Management
8 8 (11.94%) Test Automation
9 7 (10.45%) ITIL
9 7 (10.45%) OO
10 6 (8.96%) Incident Management
10 6 (8.96%) Problem Management
10 6 (8.96%) Scrum
Programming Languages
1 19 (28.36%) Java
2 17 (25.37%) PHP
3 16 (23.88%) Python
4 9 (13.43%) JavaScript
4 9 (13.43%) Ruby
5 8 (11.94%) Perl
6 7 (10.45%) SQL
7 5 (7.46%) C
7 5 (7.46%) ECMAScript
8 4 (5.97%) C++
8 4 (5.97%) Go
9 2 (2.99%) Bash Shell
9 2 (2.99%) C#
9 2 (2.99%) Scala
10 1 (1.49%) Embedded C
10 1 (1.49%) Groovy
10 1 (1.49%) PL/SQL
10 1 (1.49%) PowerShell
10 1 (1.49%) T-SQL
10 1 (1.49%) VB.NET
Qualifications
1 4 (5.97%) Degree
2 3 (4.48%) BPSS Clearance
2 3 (4.48%) Security Cleared
3 2 (2.99%) Computer Science Degree
4 1 (1.49%) CCNP
4 1 (1.49%) Cisco Certification
4 1 (1.49%) Master's Degree
4 1 (1.49%) RHCE
Quality Assurance & Compliance
1 6 (8.96%) SLA
2 1 (1.49%) Disclosure Scotland
2 1 (1.49%) Solvency II
2 1 (1.49%) WAI
System Software
1 17 (25.37%) Docker
2 5 (7.46%) VMware ESXi
2 5 (7.46%) VMware Infrastructure
3 4 (5.97%) Hyper-V
4 3 (4.48%) Active Directory
4 3 (4.48%) SRDF
4 3 (4.48%) Virtual Machines
5 1 (1.49%) iptables
5 1 (1.49%) Veritas Volume Manager
5 1 (1.49%) VMware Workstation
Systems Management
1 15 (22.39%) Ansible
2 14 (20.90%) Puppet
3 11 (16.42%) Kubernetes
3 11 (16.42%) Opscode Chef
4 9 (13.43%) Salt
5 5 (7.46%) Terraform
6 1 (1.49%) collectd
6 1 (1.49%) FTK
6 1 (1.49%) HP Data Protector
6 1 (1.49%) Kibana
6 1 (1.49%) logstash
6 1 (1.49%) Oracle RMAN
6 1 (1.49%) StatsD
6 1 (1.49%) vCenter Server
Vendors
1 17 (25.37%) Red Hat
2 10 (14.93%) VMware
3 9 (13.43%) Apigee
3 9 (13.43%) MuleSoft
3 9 (13.43%) Salesforce.com
4 8 (11.94%) IBM
4 8 (11.94%) Rackspace
5 7 (10.45%) HP
6 6 (8.96%) Dell
7 5 (7.46%) EMC
7 5 (7.46%) NetApp
8 4 (5.97%) 3PAR
8 4 (5.97%) Brocade
8 4 (5.97%) Oracle
9 3 (4.48%) Microsoft
9 3 (4.48%) Sun
10 2 (2.99%) Zend
11 1 (1.49%) Capita
11 1 (1.49%) Kronos
11 1 (1.49%) SolarWinds