Period
to 21 November 2017

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 6 months to 21 November 2017 with a comparison to the same period in the previous 2 years.

C shell (csh)
Central London > City of London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 316 344 383
Rank change year-on-year +28 +39 -
Permanent jobs citing C-shell 6 6 31
As % of all permanent IT jobs advertised in the City of London 0.058% 0.052% 0.18%
As % of the Programming Languages category 0.10% 0.089% 0.33%
Number of salaries quoted 6 6 30
City of London median annual salary £39,250 £68,750 £57,500
Median salary % change year-on-year -42.91% +19.57% -
10th Percentile £36,875 £60,000 £48,750
90th Percentile £60,125 £84,375 £63,750
Central London median annual salary £40,000 £68,750 £57,500
% change year-on-year -41.82% +19.57% -

C-shell is in the Programming Languages category. The following 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 coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 5837 6763 9358
As % of all permanent IT jobs advertised in the City of London 56.86% 58.21% 54.99%
Number of salaries quoted 5352 6244 8250
City of London median annual salary £60,000 £58,000 £57,500
Median salary % change year-on-year +3.45% +0.87% +4.55%
10th Percentile £37,500 £37,500 £35,000
90th Percentile £95,000 £90,000 £87,500
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

C-shell
Job Vacancy Trend in the City of London

Job postings citing C-shell as a percentage of all IT jobs advertised in the City of London.

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

C-shell
Salary Histogram in the City of London

The salary distribution of IT jobs citing C-shell in the City of London over the 6 months to 21 November 2017.

Salary histogram for C-shell in the City of London

For the 6 months to 21 November 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 6 (100.00%) Windows
1 6 (100.00%) Linux
1 6 (100.00%) Korn
2 5 (83.33%) WatchGuard
2 5 (83.33%) SonicWALL
2 5 (83.33%) Ruby
2 5 (83.33%) LPIC
2 5 (83.33%) Ubuntu
2 5 (83.33%) PKI
2 5 (83.33%) Network Security
2 5 (83.33%) PCI DSS
2 5 (83.33%) SC Cleared
2 5 (83.33%) Security Cleared
2 5 (83.33%) Cisco ASA
2 5 (83.33%) CentOS
2 5 (83.33%) Red Hat Enterprise Linux
2 5 (83.33%) Bash Shell
2 5 (83.33%) Aruba
2 5 (83.33%) F5
2 5 (83.33%) SIEM
2 5 (83.33%) Vulnerability Management
2 5 (83.33%) FortiGate
2 5 (83.33%) pfSense
2 5 (83.33%) Python
2 5 (83.33%) Java
2 5 (83.33%) HTTP
2 5 (83.33%) TCP/IP
2 5 (83.33%) VPN
2 5 (83.33%) HTTPS
2 5 (83.33%) Cisco

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 (83.33%) Cisco ASA
1 5 (83.33%) Cisco Wireless
1 5 (83.33%) Firewall
1 5 (83.33%) HTTP
1 5 (83.33%) HTTPS
1 5 (83.33%) IPsec
1 5 (83.33%) Network Security
1 5 (83.33%) TCP/IP
1 5 (83.33%) VPN
1 5 (83.33%) Wireless
Database & Business Intelligence
1 1 (16.67%) KDB
General
1 1 (16.67%) Back Office
1 1 (16.67%) Banking
1 1 (16.67%) Front Office
1 1 (16.67%) Investment Banking
Job Titles
1 3 (50.00%) Linux Engineer
1 3 (50.00%) Security Engineer
2 2 (33.33%) Analyst
3 1 (16.67%) Firewall Analyst
3 1 (16.67%) Firewall Engineer
3 1 (16.67%) Linux Support
3 1 (16.67%) Operations Engineer
3 1 (16.67%) Security Analyst
3 1 (16.67%) Support Analyst
Libraries, Frameworks & Software Standards
1 1 (16.67%) FIX Protocol
Miscellaneous
1 5 (83.33%) Linux Command Line
1 5 (83.33%) PKI
2 1 (16.67%) Analytical Skills
2 1 (16.67%) Equities
2 1 (16.67%) Foreign Exchange (FX)
Operating Systems
1 6 (100.00%) Linux
1 6 (100.00%) Windows
2 5 (83.33%) CentOS
2 5 (83.33%) Debian
2 5 (83.33%) Kali Linux
2 5 (83.33%) Red Hat Enterprise Linux
2 5 (83.33%) Ubuntu
3 1 (16.67%) Unix
Processes & Methodologies
1 5 (83.33%) Cryptography
1 5 (83.33%) Multi-Factor Authentication
1 5 (83.33%) Security Operations
1 5 (83.33%) SIEM
1 5 (83.33%) Two-Factor Authentication
1 5 (83.33%) Vulnerability Management
2 1 (16.67%) E-Commerce
2 1 (16.67%) Electronic Trading
2 1 (16.67%) Incident Management
2 1 (16.67%) ITIL
Programming Languages
1 6 (100.00%) Korn
2 5 (83.33%) Bash Shell
2 5 (83.33%) Java
2 5 (83.33%) Python
2 5 (83.33%) Ruby
3 1 (16.67%) Bourne shell
3 1 (16.67%) Perl
3 1 (16.67%) Shell Script
3 1 (16.67%) SQL
Qualifications
1 5 (83.33%) CEH
1 5 (83.33%) CISSP
1 5 (83.33%) CREST Certified
1 5 (83.33%) GIAC
1 5 (83.33%) Linux+ Certification
1 5 (83.33%) LPIC
1 5 (83.33%) RHCA
1 5 (83.33%) RHCE
1 5 (83.33%) RHCSA
1 5 (83.33%) SANS
1 5 (83.33%) SC Cleared
1 5 (83.33%) Security Cleared
Quality Assurance & Compliance
1 5 (83.33%) ISO/IEC 27001
1 5 (83.33%) PCI DSS
System Software
1 5 (83.33%) pfSense
Systems Management
1 5 (83.33%) FortiGate
Vendors
1 5 (83.33%) Aruba
1 5 (83.33%) CheckPoint
1 5 (83.33%) Cisco
1 5 (83.33%) Extreme Networks
1 5 (83.33%) F5
1 5 (83.33%) Fortinet
1 5 (83.33%) Juniper
1 5 (83.33%) Palo Alto
1 5 (83.33%) Red Hat
1 5 (83.33%) SonicWALL
1 5 (83.33%) WatchGuard