The following table provides summary statistics for contract job vacancies advertised in Salford 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 28 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
Manchester / Salford
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 3 - 7
Rank change year-on-year - 0  
Contract jobs citing Linux 6 0 1
As % of all contract IT jobs advertised in Salford 21.43% - 4.76%
As % of the Operating Systems category 75.00% - 33.33%
Number of daily rates quoted 5 0 0
Median daily rate £400 - -
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 £39.25 £37.50
% change year-on-year +1.91% +4.66%  

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 Salford with a requirement for operating system skills.

Contract Operating System Skills
Salford
Contract job vacancies with a requirement for operating system skills 8 13 3
As % of all contract IT job vacancies advertised in Salford 28.57% 41.94% 14.29%
Number of daily rates quoted 16 8 0
Median daily rate £400 £425 -
Median daily rate % change year-on-year -5.88% -  
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 2 0 2
Median hourly rate £12.00 - £8.50
UK excluding London median hourly rate £15.50 £17.00 £16.50
% change year-on-year -8.82% +3.03%  

Linux
Job Vacancy Trend in Salford

Job postings citing Linux as a percentage of all IT jobs advertised in Salford.

Job vacancy trend for Linux in Salford

Linux
Contractor Daily Rate Trend in Salford

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

Contractor daily rate trend for Linux in Salford

For the 6 months to 28 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 Salford region with a requirement for Linux.

1 14 (56.00%) TCP/IP
1 14 (56.00%) IBM
2 13 (52.00%) Unix
2 13 (52.00%) Windows
3 12 (48.00%) LAN
3 12 (48.00%) VPN
3 12 (48.00%) VoIP
3 12 (48.00%) WAN
3 12 (48.00%) Apple
3 12 (48.00%) Firewall
3 12 (48.00%) Vulnerability Assessment
3 12 (48.00%) Splunk
3 12 (48.00%) Vulnerability Management
3 12 (48.00%) Network Monitoring
3 12 (48.00%) LogRhythm
3 12 (48.00%) Patch Management
3 12 (48.00%) Elastic Stack
3 12 (48.00%) QRadar
4 10 (40.00%) SANS
4 10 (40.00%) Cybersecurity
4 10 (40.00%) Open Source
4 10 (40.00%) CISSP
4 10 (40.00%) SSCP
5 9 (36.00%) Information Security
5 9 (36.00%) DevOps
6 8 (32.00%) Security Cleared
6 8 (32.00%) Security Operations
7 7 (28.00%) Software Engineering
7 7 (28.00%) SIEM
7 7 (28.00%) Amazon AWS

Linux
Co-occurring IT Skills in Salford 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 5 (20.00%) Apache
1 5 (20.00%) Tomcat
2 4 (16.00%) IIS
2 4 (16.00%) Jetty
2 4 (16.00%) Mongrel
2 4 (16.00%) nginx
2 4 (16.00%) WebSphere
Cloud Services
1 7 (28.00%) Amazon AWS
2 4 (16.00%) Amazon EC2
2 4 (16.00%) Google App Engine
2 4 (16.00%) Google Cloud Platform
Communications & Networking
1 14 (56.00%) TCP/IP
2 12 (48.00%) Firewall
2 12 (48.00%) LAN
2 12 (48.00%) VoIP
2 12 (48.00%) VPN
2 12 (48.00%) WAN
3 6 (24.00%) DNS
4 5 (20.00%) HTTP
5 4 (16.00%) DHCP
5 4 (16.00%) FTP
5 4 (16.00%) IPsec
5 4 (16.00%) SSL
5 4 (16.00%) Wireless
6 3 (12.00%) Intrusion Detection
7 1 (4.00%) Internet
Database & Business Intelligence
1 6 (24.00%) Redis
2 1 (4.00%) Data Mining
2 1 (4.00%) MySQL
Development Applications
1 6 (24.00%) Jenkins
2 4 (16.00%) Travis CI
3 3 (12.00%) Git (software)
4 2 (8.00%) Hudson
General
1 2 (8.00%) Finance
Job Titles
1 6 (24.00%) Developer
2 5 (20.00%) Security Specialist
3 4 (16.00%) JavaScript Developer
3 4 (16.00%) Node.js Developer
3 4 (16.00%) Software Engineer
4 3 (12.00%) Linux Engineer
4 3 (12.00%) Senior Data Warehouse Specialist
4 3 (12.00%) Senior Security Specialist
5 2 (8.00%) Analyst
5 2 (8.00%) Linux Developer
5 2 (8.00%) Security Analyst
5 2 (8.00%) Software Developer
5 2 (8.00%) Technical Specialist
6 1 (4.00%) Automation Engineer
6 1 (4.00%) Cybersecurity Specialist
6 1 (4.00%) DevOps Specialist
6 1 (4.00%) LAMP Developer
6 1 (4.00%) Python Software Engineer
6 1 (4.00%) SOC Specialist
6 1 (4.00%) Technical Security Specialist
Libraries, Frameworks & Software Standards
1 12 (48.00%) Elastic Stack
2 6 (24.00%) Node.js
2 6 (24.00%) RESTful
3 5 (20.00%) GStreamer
3 5 (20.00%) HTML
3 5 (20.00%) HTML5
3 5 (20.00%) Web Services
4 4 (16.00%) .NET
4 4 (16.00%) J2EE
4 4 (16.00%) Servlets
5 3 (12.00%) FFmpeg
5 3 (12.00%) REST
6 2 (8.00%) JSON
6 2 (8.00%) XML
7 1 (4.00%) CSS
7 1 (4.00%) CSS3
7 1 (4.00%) LAMP
7 1 (4.00%) POSIX
Miscellaneous
1 5 (20.00%) Management Information System
2 4 (16.00%) Cyber Attack
2 4 (16.00%) Security Operations Centre
3 3 (12.00%) Computer Science
4 2 (8.00%) IPTV
4 2 (8.00%) Streaming Video
5 1 (4.00%) Clustering
5 1 (4.00%) Replication
Operating Systems
1 13 (52.00%) Unix
1 13 (52.00%) Windows
2 4 (16.00%) CentOS
2 4 (16.00%) Debian
3 3 (12.00%) Ubuntu
Processes & Methodologies
1 12 (48.00%) Network Monitoring
1 12 (48.00%) Patch Management
1 12 (48.00%) Vulnerability Assessment
1 12 (48.00%) Vulnerability Management
2 10 (40.00%) Cybersecurity
2 10 (40.00%) Open Source
3 9 (36.00%) DevOps
3 9 (36.00%) Information Security
4 8 (32.00%) Security Operations
5 7 (28.00%) Configuration Management
5 7 (28.00%) SIEM
5 7 (28.00%) Software Engineering
6 6 (24.00%) Case Management
7 5 (20.00%) TDD
8 4 (16.00%) Agile Software Development
8 4 (16.00%) Continuous Integration
9 3 (12.00%) Process Improvement
9 3 (12.00%) Supplier Management
9 3 (12.00%) Test Automation
9 3 (12.00%) Use Case
Programming Languages
1 7 (28.00%) Python
2 6 (24.00%) JavaScript
3 5 (20.00%) Java
4 3 (12.00%) Bash Shell
5 1 (4.00%) Delphi
5 1 (4.00%) PHP
Qualifications
1 10 (40.00%) CISSP
1 10 (40.00%) SANS
1 10 (40.00%) SSCP
2 8 (32.00%) Security Cleared
3 6 (24.00%) SC Cleared
4 3 (12.00%) Computer Science Degree
4 3 (12.00%) Degree
System Software
1 4 (16.00%) VMware Infrastructure
1 4 (16.00%) Xen
2 3 (12.00%) Docker
2 3 (12.00%) KVM
2 3 (12.00%) LXC
Systems Management
1 12 (48.00%) QRadar
2 6 (24.00%) Kibana
2 6 (24.00%) logstash
3 4 (16.00%) Puppet
4 3 (12.00%) Ansible
4 3 (12.00%) Packer
4 3 (12.00%) RSA enVision
Vendors
1 14 (56.00%) IBM
2 12 (48.00%) Apple
2 12 (48.00%) LogRhythm
2 12 (48.00%) Splunk
3 4 (16.00%) Google
3 4 (16.00%) Microsoft
3 4 (16.00%) Red Hat
3 4 (16.00%) VMware
4 3 (12.00%) HP