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 24 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.

Unix
Cambridgeshire / Cambridge
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 33 24 23
Rank change year-on-year -9 -1  
Contract jobs citing Unix 7 21 37
As % of all contract IT jobs advertised in Cambridge 2.36% 5.87% 8.19%
As % of the Operating Systems category 8.75% 17.50% 22.56%
Number of daily rates quoted 4 16 31
Median daily rate £234 £340 £325
Median daily rate % change year-on-year -31.25% +4.61%  
90% offered a daily rate of more than £186 £325 £275
10% offered a daily rate of more than £345 £433 £380
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £35.00 -
UK excluding London median hourly rate £39.50 £27.50 £38.25
% change year-on-year +43.63% -28.10%  

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 80 120 164
As % of all contract IT job vacancies advertised in Cambridge 27.03% 33.52% 36.28%
Number of daily rates quoted 21 74 116
Median daily rate £213 £350 £325
Median daily rate % change year-on-year -39.28% +7.69%  
90% offered a daily rate of more than £125 £225 £208
10% offered a daily rate of more than £375 £500 £413
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 25 5 11
Median hourly rate £19.00 £21.00 £19.00
Median hourly rate % change year-on-year -9.52% +10.52%  
90% offered a hourly rate of more than £17.50 £17.50 £12.60
10% offered a hourly rate of more than £42.50 £47.50 £40.35
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

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 Daily Rate Histogram in Cambridge

The daily rate distribution of IT jobs citing Unix in Cambridge over the 3 months to 24 June 2017.

Contractor daily rate histogram for Unix in Cambridge

Unix
Contractor Hourly Rate Trend in Cambridge

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

Contractor hourly rate trend for Unix in Cambridge

For the 6 months to 24 June 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 7 (70.00%) Linux
1 7 (70.00%) VMware
2 5 (50.00%) Windows
3 4 (40.00%) Active Directory
3 4 (40.00%) Security Cleared
4 3 (30.00%) SC Cleared
4 3 (30.00%) CentOS
4 3 (30.00%) Red Hat Enterprise Linux
4 3 (30.00%) Red Hat
4 3 (30.00%) Disaster Recovery
4 3 (30.00%) Cisco
4 3 (30.00%) SQL
5 2 (20.00%) C#
5 2 (20.00%) Java
5 2 (20.00%) JavaScript
5 2 (20.00%) PHP
5 2 (20.00%) Solaris
5 2 (20.00%) Apache
5 2 (20.00%) Python
5 2 (20.00%) Terminal Services
5 2 (20.00%) SAN
5 2 (20.00%) NetApp
5 2 (20.00%) Ruby
5 2 (20.00%) Ubuntu
5 2 (20.00%) Ruby on Rails
5 2 (20.00%) Backup Exec
5 2 (20.00%) Change Management
5 2 (20.00%) MVC
5 2 (20.00%) Debian
5 2 (20.00%) Django

Unix
Co-occurring 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 2 (20.00%) Apache
1 2 (20.00%) MediaWiki
Communications & Networking
1 2 (20.00%) SAN
2 1 (10.00%) DHCP
2 1 (10.00%) DNS
Database & Business Intelligence
1 2 (20.00%) NoSQL
2 1 (10.00%) MS Access
2 1 (10.00%) Oracle Database
2 1 (10.00%) Oracle Database 10g
Job Titles
1 3 (30.00%) Consultant
1 3 (30.00%) Linux Engineer
2 2 (20.00%) Administrator
2 2 (20.00%) Developer
2 2 (20.00%) Full Stack Developer
2 2 (20.00%) Linux Administrator
2 2 (20.00%) Linux Consultant
2 2 (20.00%) Linux Systems Administrator
2 2 (20.00%) Systems Administrator
3 1 (10.00%) Analyst
3 1 (10.00%) Database Analyst
3 1 (10.00%) DBA
3 1 (10.00%) Infrastructure Engineer
3 1 (10.00%) Linux Systems Engineer
3 1 (10.00%) Oracle Analyst
3 1 (10.00%) Oracle DBA
3 1 (10.00%) Systems Engineer
3 1 (10.00%) Unix Consultant
3 1 (10.00%) Unix Engineer
3 1 (10.00%) VMware Engineer
Libraries, Frameworks & Software Standards
1 2 (20.00%) Django
1 2 (20.00%) REST
1 2 (20.00%) Ruby on Rails
Miscellaneous
1 2 (20.00%) Data Centre
1 2 (20.00%) User Experience
2 1 (10.00%) Driving Licence
2 1 (10.00%) NHS
Operating Systems
1 7 (70.00%) Linux
2 5 (50.00%) Windows
3 3 (30.00%) CentOS
3 3 (30.00%) Red Hat Enterprise Linux
4 2 (20.00%) Debian
4 2 (20.00%) Solaris
4 2 (20.00%) Ubuntu
4 2 (20.00%) Windows Server
Processes & Methodologies
1 3 (30.00%) Disaster Recovery
2 2 (20.00%) Change Management
2 2 (20.00%) MVC
3 1 (10.00%) Contingency Planning
3 1 (10.00%) Database Security
3 1 (10.00%) Database Tuning
3 1 (10.00%) ITIL
3 1 (10.00%) ITSM
3 1 (10.00%) Performance Tuning
3 1 (10.00%) Process Improvement
3 1 (10.00%) Requirements Analysis
3 1 (10.00%) Service Management
3 1 (10.00%) Virtual Infrastructure
Programming Languages
1 3 (30.00%) SQL
2 2 (20.00%) C#
2 2 (20.00%) Java
2 2 (20.00%) JavaScript
2 2 (20.00%) PHP
2 2 (20.00%) Python
2 2 (20.00%) Ruby
Qualifications
1 4 (40.00%) Security Cleared
2 3 (30.00%) SC Cleared
3 1 (10.00%) Degree
3 1 (10.00%) ITIL Foundation Certificate
3 1 (10.00%) Master's Degree
3 1 (10.00%) MCP
3 1 (10.00%) Microsoft Certification
3 1 (10.00%) VMware Certified Professional (VCP)
System Software
1 4 (40.00%) Active Directory
2 2 (20.00%) Terminal Services
2 2 (20.00%) VMware ESXi
2 2 (20.00%) VMware Infrastructure
Systems Management
1 2 (20.00%) Backup Exec
1 2 (20.00%) vCenter Server
Vendors
1 7 (70.00%) VMware
2 3 (30.00%) Cisco
2 3 (30.00%) Red Hat
3 2 (20.00%) NetApp
4 1 (10.00%) Microsoft
4 1 (10.00%) Oracle