The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for C-shell skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited C-shell over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

C shell (csh)
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 231 261 314
Rank change year-on-year +30 +53  
Permanent jobs citing C-shell 5 1 4
As % of all permanent IT jobs advertised in the City of London 0.097% 0.016% 0.039%
As % of the Programming Languages category 0.17% 0.027% 0.074%
Number of salaries quoted 5 0 4
Median salary £38,500 - £60,000
90% offered a salary of more than £38,000 - £57,500
10% offered a salary of more than £40,300 - £62,500
UK excluding London median salary £45,000 £61,750 £37,500
% change year-on-year -27.12% +64.66%  

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

Programming Language Skills
City of London
Permanent job vacancies with a requirement for programming language skills 2904 3639 5387
As % of all permanent IT job vacancies advertised in the City of London 56.42% 57.32% 51.86%
Number of salaries quoted 2600 3334 4774
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £40,000 £40,000 £37,500
10% offered a salary of more than £90,000 £77,500 £80,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

C-shell
Job Vacancy Trend in the City of London

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

Job vacancy trend for C-shell in the City of London

C-shell
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing C-shell in the City of London.

Salary trend for C-shell in the City of London

For the 6 months to 24 June 2017, IT 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 job ads across the City of London region with a requirement for C-shell.

1 5 (100.00%) Java
1 5 (100.00%) Windows
1 5 (100.00%) Linux
1 5 (100.00%) Python
1 5 (100.00%) HTTP
1 5 (100.00%) TCP/IP
1 5 (100.00%) VPN
1 5 (100.00%) HTTPS
1 5 (100.00%) Cisco
1 5 (100.00%) CISSP
1 5 (100.00%) RHCE
1 5 (100.00%) Juniper
1 5 (100.00%) Red Hat
1 5 (100.00%) CheckPoint
1 5 (100.00%) Ruby
1 5 (100.00%) LPIC
1 5 (100.00%) Ubuntu
1 5 (100.00%) PKI
1 5 (100.00%) Korn
1 5 (100.00%) ISO/IEC 27001
1 5 (100.00%) Fortinet
1 5 (100.00%) WatchGuard
1 5 (100.00%) SonicWALL
1 5 (100.00%) Network Security
1 5 (100.00%) PCI DSS
1 5 (100.00%) SC Cleared
1 5 (100.00%) Security Cleared
1 5 (100.00%) Cisco ASA
1 5 (100.00%) CentOS
1 5 (100.00%) Red Hat Enterprise Linux

C-shell
Co-occurring IT Skills in the City of 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:

Communications & Networking
1 5 (100.00%) Cisco ASA
1 5 (100.00%) Cisco Wireless
1 5 (100.00%) Firewall
1 5 (100.00%) HTTP
1 5 (100.00%) HTTPS
1 5 (100.00%) IPsec
1 5 (100.00%) Network Security
1 5 (100.00%) TCP/IP
1 5 (100.00%) VPN
1 5 (100.00%) Wireless
Job Titles
1 3 (60.00%) Linux Engineer
1 3 (60.00%) Security Engineer
2 2 (40.00%) Analyst
3 1 (20.00%) Firewall Analyst
3 1 (20.00%) Firewall Engineer
3 1 (20.00%) Linux Support
3 1 (20.00%) Operations Engineer
3 1 (20.00%) Security Analyst
3 1 (20.00%) Support Analyst
Miscellaneous
1 5 (100.00%) Linux Command Line
1 5 (100.00%) PKI
Operating Systems
1 5 (100.00%) CentOS
1 5 (100.00%) Debian
1 5 (100.00%) Kali Linux
1 5 (100.00%) Linux
1 5 (100.00%) Red Hat Enterprise Linux
1 5 (100.00%) Ubuntu
1 5 (100.00%) Windows
Processes & Methodologies
1 5 (100.00%) Cryptography
1 5 (100.00%) Multi-Factor Authentication
1 5 (100.00%) Security Operations
1 5 (100.00%) SIEM
1 5 (100.00%) Two-Factor Authentication
1 5 (100.00%) Vulnerability Management
Programming Languages
1 5 (100.00%) Bash Shell
1 5 (100.00%) Java
1 5 (100.00%) Korn
1 5 (100.00%) Python
1 5 (100.00%) Ruby
Qualifications
1 5 (100.00%) CEH
1 5 (100.00%) CISSP
1 5 (100.00%) CREST Certified
1 5 (100.00%) GIAC
1 5 (100.00%) Linux+ Certification
1 5 (100.00%) LPIC
1 5 (100.00%) RHCA
1 5 (100.00%) RHCE
1 5 (100.00%) RHCSA
1 5 (100.00%) SANS
1 5 (100.00%) SC Cleared
1 5 (100.00%) Security Cleared
Quality Assurance & Compliance
1 5 (100.00%) ISO/IEC 27001
1 5 (100.00%) PCI DSS
System Software
1 5 (100.00%) pfSense
Systems Management
1 5 (100.00%) FortiGate
Vendors
1 5 (100.00%) Aruba
1 5 (100.00%) CheckPoint
1 5 (100.00%) Cisco
1 5 (100.00%) Extreme Networks
1 5 (100.00%) F5
1 5 (100.00%) Fortinet
1 5 (100.00%) Juniper
1 5 (100.00%) Palo Alto
1 5 (100.00%) Red Hat
1 5 (100.00%) SonicWALL
1 5 (100.00%) WatchGuard