The following table provides summary statistics for contract job vacancies advertised in Cambridge with a requirement for Unix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unix over the 3 months to 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Unix
Cambridgeshire / Cambridge
Rank 37 31 24
Rank change year-on-year -6 -7  
Contract jobs citing Unix 3 15 15
As % of all contract IT jobs advertised in Cambridge 0.96% 3.68% 4.67%
As % of the Operating Systems category 4.48% 12.93% 18.52%
Number of daily rates quoted 3 5 3
Median daily rate £350 £278 £425
Median daily rate % change year-on-year +26.12% -34.70%  
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 3 0
Median hourly rate - £60.00 -
UK excluding London median hourly rate £31.50 £35.00 £35.00
% change year-on-year -10.00% -  

Unix 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 Cambridge with a requirement for operating system skills.

Contract Operating System Skills
Cambridge
Contract job vacancies with a requirement for operating system skills 67 116 81
As % of all contract IT job vacancies advertised in Cambridge 21.41% 28.43% 25.23%
Number of daily rates quoted 28 59 39
Median daily rate £305 £343 £325
Median daily rate % change year-on-year -10.94% +5.38%  
90% offered a daily rate of more than £143 £165 £175
10% offered a daily rate of more than £488 £505 £425
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 15 21 14
Median hourly rate £18.25 £17.50 £17.00
Median hourly rate % change year-on-year +4.28% +2.94%  
90% offered a hourly rate of more than £13.00 £17.25 £13.50
10% offered a hourly rate of more than £41.00 £60.00 £43.00
UK excluding London median hourly rate £15.25 £16.92 £15.50
% change year-on-year -9.86% +9.16%  

Unix
Job Vacancy Trend in Cambridge

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

Job vacancy trend for Unix in Cambridge

Unix
Contractor Daily Rate Trend in Cambridge

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

Contractor daily rate trend for Unix in Cambridge

Unix
Contractor Hourly Rate Trend in Cambridge

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

Contractor hourly rate trend for Unix in Cambridge

Unix
Top 30 Related IT Skills in Cambridge

For the 6 months to 26 March 2017, IT contractor jobs citing Unix 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 Cambridge region with a requirement for Unix.

1 11 (84.62%) Linux
2 8 (61.54%) Python
3 5 (38.46%) SQL
3 5 (38.46%) Windows
3 5 (38.46%) Software Engineering
4 4 (30.77%) Ruby
4 4 (30.77%) PHP
4 4 (30.77%) C
4 4 (30.77%) Java
4 4 (30.77%) Bash Shell
4 4 (30.77%) NoSQL
4 4 (30.77%) REST
4 4 (30.77%) Signal Processing
5 3 (23.08%) User Experience
5 3 (23.08%) Machine Learning
5 3 (23.08%) Embedded Systems
5 3 (23.08%) Amazon AWS
5 3 (23.08%) Django
5 3 (23.08%) Embedded C
5 3 (23.08%) JavaScript
5 3 (23.08%) C#
5 3 (23.08%) Ruby on Rails
5 3 (23.08%) MVC
6 2 (15.38%) Finance
6 2 (15.38%) Agile Software Development
6 2 (15.38%) Oracle
6 2 (15.38%) LDAP
6 2 (15.38%) Configuration Management
6 2 (15.38%) Unit Testing
6 2 (15.38%) Microsoft Azure

Unix
Top Related IT Skills in Cambridge 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 1 (7.69%) Apache
1 1 (7.69%) Apache Spark
Cloud Services
1 3 (23.08%) Amazon AWS
2 2 (15.38%) Microsoft Azure
Communications & Networking
1 2 (15.38%) LDAP
2 1 (7.69%) Firewall
2 1 (7.69%) Intrusion Detection
2 1 (7.69%) Wireless
Database & Business Intelligence
1 4 (30.77%) NoSQL
2 2 (15.38%) Big Data
2 2 (15.38%) MongoDB
2 2 (15.38%) Relational Database
3 1 (7.69%) Apache Cassandra
3 1 (7.69%) MS Access
3 1 (7.69%) MySQL
3 1 (7.69%) Oracle Database
3 1 (7.69%) Oracle Database 10g
3 1 (7.69%) PostgreSQL
3 1 (7.69%) SQL Server
Development Applications
1 1 (7.69%) Atlassian Bamboo
1 1 (7.69%) Vagrant
General
1 2 (15.38%) Finance
2 1 (7.69%) Banking
2 1 (7.69%) Electronics
Job Titles
1 4 (30.77%) Developer
1 4 (30.77%) Python Software Engineer
1 4 (30.77%) Software Engineer
2 3 (23.08%) Audio Engineer
2 3 (23.08%) Audio Software Engineer
2 3 (23.08%) C Software Engineer
2 3 (23.08%) Embedded C Engineer
2 3 (23.08%) Embedded C Software Engineer
2 3 (23.08%) Embedded Engineer
2 3 (23.08%) Embedded Software Engineer
2 3 (23.08%) Full Stack Developer
2 3 (23.08%) Machine Learning Engineer
3 1 (7.69%) DevOps Engineer
3 1 (7.69%) DSP Engineer
3 1 (7.69%) Oracle Analyst
3 1 (7.69%) Security Architect
3 1 (7.69%) Senior Support Engineer
3 1 (7.69%) Software Support Engineer
3 1 (7.69%) Unix Engineer
3 1 (7.69%) Unix Systems Engineer
Libraries, Frameworks & Software Standards
1 4 (30.77%) REST
2 3 (23.08%) Django
2 3 (23.08%) Ruby on Rails
3 1 (7.69%) AngularJS
3 1 (7.69%) CSS
3 1 (7.69%) CSS3
3 1 (7.69%) Hibernate
3 1 (7.69%) HTML
3 1 (7.69%) HTML5
3 1 (7.69%) JPA
3 1 (7.69%) JSON
3 1 (7.69%) Kafka
3 1 (7.69%) LAPP Stack
3 1 (7.69%) Node.js
3 1 (7.69%) React
3 1 (7.69%) Spring
3 1 (7.69%) Web Services
Miscellaneous
1 3 (23.08%) Embedded Systems
1 3 (23.08%) User Experience
2 2 (15.38%) Data Centre
3 1 (7.69%) Computer Science
3 1 (7.69%) Hedge funds
3 1 (7.69%) Management Information System
Operating Systems
1 11 (84.62%) Linux
2 5 (38.46%) Windows
3 1 (7.69%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (38.46%) Software Engineering
2 4 (30.77%) Signal Processing
3 3 (23.08%) Machine Learning
3 3 (23.08%) MVC
4 2 (15.38%) Agile Software Development
4 2 (15.38%) Configuration Management
4 2 (15.38%) High Availability
4 2 (15.38%) Unit Testing
5 1 (7.69%) Biology
5 1 (7.69%) Capacity Planning
5 1 (7.69%) Continuous Integration
5 1 (7.69%) Database Tuning
5 1 (7.69%) Digital Signal Processing
5 1 (7.69%) Enterprise Architecture
5 1 (7.69%) Integration Testing
5 1 (7.69%) Process Improvement
5 1 (7.69%) Requirements Analysis
5 1 (7.69%) SAP Security
5 1 (7.69%) SIEM
5 1 (7.69%) Vulnerability Management
Programming Languages
1 8 (61.54%) Python
2 5 (38.46%) SQL
3 4 (30.77%) Bash Shell
3 4 (30.77%) C
3 4 (30.77%) Java
3 4 (30.77%) PHP
3 4 (30.77%) Ruby
4 3 (23.08%) C#
4 3 (23.08%) Embedded C
4 3 (23.08%) JavaScript
5 1 (7.69%) Perl
Qualifications
1 2 (15.38%) Security Cleared
2 1 (7.69%) CCIE
2 1 (7.69%) CCNA
2 1 (7.69%) CCSA
2 1 (7.69%) Cisco Certification
2 1 (7.69%) CISM
2 1 (7.69%) CISSP
2 1 (7.69%) Degree
2 1 (7.69%) JNCIA
System Software
1 1 (7.69%) Docker
Systems Management
1 1 (7.69%) Ansible
1 1 (7.69%) Puppet
Vendors
1 2 (15.38%) Oracle
2 1 (7.69%) Interwoven
2 1 (7.69%) Microsoft
2 1 (7.69%) Red Hat
2 1 (7.69%) SAP