The following table provides summary statistics for contract job vacancies advertised in London with a requirement for C-shell skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited C-shell over the 3 months to 30 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.

C shell (csh)
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 396 430 415
Rank change year-on-year +34 -15  
Contract jobs citing C-shell 4 4 5
As % of all contract IT jobs advertised in London 0.020% 0.018% 0.023%
As % of the Programming Languages category 0.044% 0.042% 0.056%
Number of daily rates quoted 4 3 4
Median daily rate £265 £575 £488
Median daily rate % change year-on-year -53.91% +17.82%  
UK excluding London median daily rate £340 £315 £350
% change year-on-year +7.85% -9.92%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £37.50 -

C-shell is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for programming language skills.

Contract Programming Language Skills
London
Contract job vacancies with a requirement for programming language skills 9071 9603 8953
As % of all contract IT job vacancies advertised in London 46.03% 42.56% 41.79%
Number of daily rates quoted 6747 7235 6478
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 71 51 45
Median hourly rate £44.25 £32.50 £27.37
Median hourly rate % change year-on-year +36.15% +18.74%  
90% offered a hourly rate of more than £27.65 £17.50 £20.00
10% offered a hourly rate of more than £55.00 £53.25 £54.50
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

C-shell
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing C-shell as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for C-shell in London

C-shell
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing C-shell in London.

Contractor daily rate trend for C-shell in London

C-shell
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing C-shell in London over the 3 months to 30 March 2017.

Contractor daily rate histogram for C-shell in London

C-shell
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing C-shell in London.

Contractor hourly rate trend for C-shell in London

For the 6 months to 30 March 2017, IT contractor jobs citing C-shell 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 London region with a requirement for C-shell.

1 9 (90.00%) Perl
1 9 (90.00%) Unix
1 9 (90.00%) Linux
1 9 (90.00%) Python
1 9 (90.00%) Bourne shell
1 9 (90.00%) Bash Shell
2 8 (80.00%) Solaris
2 8 (80.00%) Sun
2 8 (80.00%) Red Hat
3 7 (70.00%) Finance
4 5 (50.00%) VMware
4 5 (50.00%) NFS
4 5 (50.00%) VMware Infrastructure
5 4 (40.00%) Low Latency
5 4 (40.00%) SystemTap
5 4 (40.00%) Oracle ZFS
5 4 (40.00%) Red Hat Enterprise Linux
5 4 (40.00%) KVM
5 4 (40.00%) Banking
5 4 (40.00%) DNS
5 4 (40.00%) HP
5 4 (40.00%) Veritas
5 4 (40.00%) LDAP
6 3 (30.00%) Investment Banking
7 1 (10.00%) Shell Script
7 1 (10.00%) Pharmaceutical
7 1 (10.00%) RDBMS
7 1 (10.00%) Service Management
7 1 (10.00%) Fedora
7 1 (10.00%) SUSE

C-shell
Co-occurring IT Skills in London 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 (10.00%) OpenStack
1 1 (10.00%) Tomcat
Cloud Services
1 1 (10.00%) Amazon AWS
1 1 (10.00%) Cloud Computing
1 1 (10.00%) Microsoft Azure
Communications & Networking
1 4 (40.00%) DNS
1 4 (40.00%) LDAP
Database & Business Intelligence
1 1 (10.00%) MySQL
1 1 (10.00%) PostgreSQL
1 1 (10.00%) RDBMS
1 1 (10.00%) Relational Database
1 1 (10.00%) SQL Server
Development Applications
1 1 (10.00%) Ant
1 1 (10.00%) JUnit
General
1 7 (70.00%) Finance
2 4 (40.00%) Banking
3 3 (30.00%) Investment Banking
4 1 (10.00%) Pharmaceutical
Job Titles
1 8 (80.00%) Unix Engineer
2 5 (50.00%) Linux Engineer
2 5 (50.00%) Unix Linux Engineer
3 3 (30.00%) Administrator
3 3 (30.00%) Junior
3 3 (30.00%) Junior Unix Engineer
3 3 (30.00%) Linux Administrator
3 3 (30.00%) Linux Systems Administrator
3 3 (30.00%) Linux Systems Engineer
3 3 (30.00%) Systems Administrator
3 3 (30.00%) Unix Administrator
3 3 (30.00%) Unix Linux Systems Administrator
3 3 (30.00%) Unix Scripter
3 3 (30.00%) Unix Scripting Engineer
3 3 (30.00%) Unix Systems Administrator
4 2 (20.00%) Architect
4 2 (20.00%) Technical Architect
5 1 (10.00%) Solaris Engineer
Libraries, Frameworks & Software Standards
1 1 (10.00%) CSS
1 1 (10.00%) jQuery
1 1 (10.00%) REST
1 1 (10.00%) Servlets
1 1 (10.00%) SOAP
1 1 (10.00%) Web Services
Miscellaneous
1 1 (10.00%) Life Science
1 1 (10.00%) Private Cloud
1 1 (10.00%) User Experience
Operating Systems
1 9 (90.00%) Linux
1 9 (90.00%) Unix
2 8 (80.00%) Solaris
3 4 (40.00%) Red Hat Enterprise Linux
4 1 (10.00%) CentOS
4 1 (10.00%) Fedora
4 1 (10.00%) SUSE
4 1 (10.00%) Ubuntu
Processes & Methodologies
1 4 (40.00%) Low Latency
2 1 (10.00%) Agile Software Development
2 1 (10.00%) Continuous Integration
2 1 (10.00%) Data Management
2 1 (10.00%) Prototyping
2 1 (10.00%) Scrum
2 1 (10.00%) Service Management
2 1 (10.00%) Technical Architecture
Programming Languages
1 9 (90.00%) Bash Shell
1 9 (90.00%) Bourne shell
1 9 (90.00%) Perl
1 9 (90.00%) Python
2 4 (40.00%) SystemTap
3 1 (10.00%) C++
3 1 (10.00%) Java
3 1 (10.00%) JavaScript
3 1 (10.00%) Julia
3 1 (10.00%) Korn
3 1 (10.00%) Ruby
3 1 (10.00%) Shell Script
3 1 (10.00%) SQL
System Software
1 5 (50.00%) NFS
1 5 (50.00%) VMware Infrastructure
2 4 (40.00%) KVM
3 1 (10.00%) Docker
3 1 (10.00%) GPFS
3 1 (10.00%) zsh
Systems Management
1 4 (40.00%) Oracle ZFS
Vendors
1 8 (80.00%) Red Hat
1 8 (80.00%) Sun
2 5 (50.00%) VMware
3 4 (40.00%) HP
3 4 (40.00%) Veritas
4 1 (10.00%) Google
4 1 (10.00%) Oracle