Period
to 16 October 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Tcl skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Tcl over the 6 months to 16 October 2017 with a comparison to the same period in the previous 2 years.

Tool Command Language (Tcl)
Central London > City of London
6 months to
16 Oct 2017
Same period 2016 Same period 2015
Rank 320 356 422
Rank change year-on-year +36 +66 +41
Permanent jobs citing Tcl 2 2 15
As % of all permanent IT jobs advertised in the City of London 0.020% 0.017% 0.082%
As % of the Programming Languages category 0.035% 0.029% 0.15%
Number of salaries quoted 2 1 15
City of London median annual salary £68,750 £49,000 £50,000
Median salary % change year-on-year +40.31% -2.00% +2.04%
10th Percentile £56,375 £46,000 £47,500
90th Percentile £78,125 £52,000 £81,500
Central London median annual salary £68,750 £49,500 £50,000
% change year-on-year +38.89% -1.00% +2.04%

Tcl 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 5645 6926 9875
As % of all permanent IT jobs advertised in the City of London 56.68% 57.90% 54.12%
Number of salaries quoted 5161 6383 8711
City of London median annual salary £60,000 £57,500 £57,500
Median salary % change year-on-year +4.35% - +4.55%
10th Percentile £37,500 £37,500 £34,500
90th Percentile £95,000 £87,500 £85,000
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

Tcl
Job Vacancy Trend in the City of London

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

Job vacancy trend for Tcl in the City of London

Tcl
Salary Trend in the City of London

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

Salary trend for Tcl in the City of London

Tcl
Salary Histogram in the City of London

The salary distribution of IT jobs citing Tcl in the City of London over the 6 months to 16 October 2017.

Salary histogram for Tcl in the City of London

For the 6 months to 16 October 2017, IT jobs citing Tcl 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 Tcl.

1 2 (100.00%) Linux
2 1 (50.00%) 3GPP
2 1 (50.00%) DHCP
2 1 (50.00%) FTP
2 1 (50.00%) HTTP
2 1 (50.00%) VPN
2 1 (50.00%) DNS
2 1 (50.00%) HTTPS
2 1 (50.00%) SSL
2 1 (50.00%) Cisco
2 1 (50.00%) CCIE
2 1 (50.00%) Cisco Certification
2 1 (50.00%) MPLS
2 1 (50.00%) BGP
2 1 (50.00%) Front Office
2 1 (50.00%) Telecoms
2 1 (50.00%) Finance
2 1 (50.00%) VMware
2 1 (50.00%) ION Trading
2 1 (50.00%) Load Balancing
2 1 (50.00%) Cisco IOS
2 1 (50.00%) Network Security
2 1 (50.00%) VMware Infrastructure
2 1 (50.00%) NetScaler
2 1 (50.00%) Cisco ISE
2 1 (50.00%) Multicast
2 1 (50.00%) KVM
2 1 (50.00%) NX-OS
2 1 (50.00%) Diameter Protocol
2 1 (50.00%) Java

Tcl
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 1 (50.00%) 3GPP
1 1 (50.00%) BGP
1 1 (50.00%) Cisco IOS
1 1 (50.00%) Cisco ISE
1 1 (50.00%) DHCP
1 1 (50.00%) Diameter Protocol
1 1 (50.00%) DNS
1 1 (50.00%) FTP
1 1 (50.00%) HTTP
1 1 (50.00%) HTTPS
1 1 (50.00%) MPLS
1 1 (50.00%) Multicast
1 1 (50.00%) NetScaler
1 1 (50.00%) Network Security
1 1 (50.00%) NX-OS
1 1 (50.00%) SSL
1 1 (50.00%) VPN
General
1 1 (50.00%) Finance
1 1 (50.00%) Front Office
1 1 (50.00%) Telecoms
Job Titles
1 1 (50.00%) Developer
1 1 (50.00%) IP Network Engineer
1 1 (50.00%) Network Engineer
1 1 (50.00%) Senior IP Network Engineer
1 1 (50.00%) Senior Network Engineer
1 1 (50.00%) Senior Telecoms Engineer
1 1 (50.00%) Telecoms Engineer
Operating Systems
1 2 (100.00%) Linux
2 1 (50.00%) Unix
2 1 (50.00%) Windows
Processes & Methodologies
1 1 (50.00%) Load Balancing
Programming Languages
1 1 (50.00%) Java
Qualifications
1 1 (50.00%) CCIE
1 1 (50.00%) Cisco Certification
System Software
1 1 (50.00%) KVM
1 1 (50.00%) VMware Infrastructure
Vendors
1 1 (50.00%) Cisco
1 1 (50.00%) ION Trading
1 1 (50.00%) VMware