Tcl Job Trends

Tool Command Language (Tcl)
UK

The table below provides summary statistics and salary benchmarking for jobs requiring Tcl skills. It covers permanent job vacancies from the 6 months leading up to 14 November 2025, with comparisons to the same periods in the previous two years.

6 months to
14 Nov 2025
Same period 2024 Same period 2023
Rank 649 714 687
Rank change year-on-year +65 -27 +333
Permanent jobs citing Tcl 14 40 23
As % of all permanent jobs in the UK 0.026% 0.059% 0.044%
As % of the Programming Languages category 0.12% 0.19% 0.11%
Number of salaries quoted 9 8 4
10th Percentile £41,250 - £42,219
25th Percentile £46,250 £36,625 £45,614
Median annual salary (50th Percentile) £47,500 £38,250 £55,000
Median % change year-on-year +24.18% -30.45% -21.43%
75th Percentile £48,750 £44,281 £66,563
90th Percentile £53,750 £58,250 £73,875
UK excluding London median annual salary £47,500 £38,250 £55,000
% change year-on-year +24.18% -30.45% -21.43%

All Programming Languages
UK

Tcl falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills.

Permanent vacancies with a requirement for coding skills 11,991 21,477 21,618
As % of all permanent jobs advertised in the UK 22.64% 31.60% 41.04%
Number of salaries quoted 8,576 12,741 17,735
10th Percentile £32,500 £37,500 £39,500
25th Percentile £45,000 £47,500 £48,140
Median annual salary (50th Percentile) £62,500 £65,000 £65,000
Median % change year-on-year -3.85% - -
75th Percentile £82,500 £85,000 £85,000
90th Percentile £108,750 £108,750 £105,000
UK excluding London median annual salary £55,000 £55,000 £55,000

Tcl
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings citing Tcl relative to all permanent IT jobs advertised.

Tcl job vacancy trend in the UK

Tcl
Salary Trend

Salary distribution trend for jobs in the UK citing Tcl.

Salary distribution trend for jobs in the UK citing Tcl

Tcl
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Tcl within the UK over the 6 months to 14 November 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England +76 14 £47,500 +24.18% 19
UK excluding London +62 12 £47,500 +24.18% 21
Work from Home +49 5 - - 5
South West +36 4 - - 2
South East - 4 £47,500 - 8
North of England +20 3 £47,500 +24.18%
North East - 3 £47,500 -
London +62 2 £47,500 - 2
East of England +9 1 - - 11

Tcl
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 4 (28.57%) IIS
Applications
1 3 (21.43%) Siemens NX
2 1 (7.14%) Simulink
Business Applications
1 3 (21.43%) Teamcenter
Cloud Services
1 7 (50.00%) AWS
2 4 (28.57%) IaaS
2 4 (28.57%) PaaS
2 4 (28.57%) SaaS
3 3 (21.43%) Azure
3 3 (21.43%) Google Workspace
Communications & Networking
1 4 (28.57%) PuTTY
1 4 (28.57%) SSH
Database & Business Intelligence
1 3 (21.43%) Big Data
Development Applications
1 1 (7.14%) Rational DOORS
General
1 6 (42.86%) Electronics
2 3 (21.43%) Avionics
2 3 (21.43%) Presentation Skills
2 3 (21.43%) Social Skills
3 1 (7.14%) Finance
3 1 (7.14%) Telecoms
Job Titles
1 7 (50.00%) Senior
2 4 (28.57%) Senior Support Engineer
2 4 (28.57%) Senior Technical Engineer
2 4 (28.57%) Senior Technical Support
2 4 (28.57%) Senior Technical Support Engineer
2 4 (28.57%) Support Engineer
2 4 (28.57%) Technical Engineer
2 4 (28.57%) Technical Support
2 4 (28.57%) Technical Support Engineer
3 3 (21.43%) Administrator
4 2 (14.29%) Graduate
4 2 (14.29%) Senior Verification Engineer
4 2 (14.29%) Verification Engineer
5 1 (7.14%) Development Specialist
5 1 (7.14%) FPGA Engineer
5 1 (7.14%) Integration Specialist
5 1 (7.14%) Lead
5 1 (7.14%) Project Leader
5 1 (7.14%) Senior FPGA Engineer
5 1 (7.14%) Senior Project Leader
Libraries, Frameworks & Software Standards
1 3 (21.43%) Itk
Miscellaneous
1 3 (21.43%) Algorithms
1 3 (21.43%) Verilog
1 3 (21.43%) VHDL
2 2 (14.29%) RISC-V
3 1 (7.14%) ASIC
3 1 (7.14%) e-Learning
3 1 (7.14%) FPGA
3 1 (7.14%) IoT
3 1 (7.14%) Robotics
Operating Systems
1 8 (57.14%) Windows
2 7 (50.00%) Linux
3 4 (28.57%) VMS
4 3 (21.43%) Windows Server
5 2 (14.29%) Unix
Processes & Methodologies
1 8 (57.14%) Problem-Solving
2 6 (42.86%) AI
2 6 (42.86%) Computer Science
3 4 (28.57%) Continuous Improvement
3 4 (28.57%) Innovative Thinking
4 3 (21.43%) Agile
4 3 (21.43%) Analytics
4 3 (21.43%) CAD
4 3 (21.43%) Change Management
4 3 (21.43%) Data Analysis
4 3 (21.43%) Data Analytics
4 3 (21.43%) Data Science
4 3 (21.43%) DevOps
4 3 (21.43%) Physics
4 3 (21.43%) PLM
4 3 (21.43%) Project Management
4 3 (21.43%) Statistics
4 3 (21.43%) Validation
5 2 (14.29%) Machine Learning
5 2 (14.29%) Mathematics
Programming Languages
1 9 (64.29%) Python
2 7 (50.00%) SQL
3 4 (28.57%) C
3 4 (28.57%) DCL
3 4 (28.57%) MATLAB
4 3 (21.43%) Google Apps Script
4 3 (21.43%) PowerShell
5 2 (14.29%) Bash
5 2 (14.29%) C++
5 2 (14.29%) SystemVerilog
Qualifications
1 6 (42.86%) Degree
2 4 (28.57%) BPSS Clearance
2 4 (28.57%) Security Cleared
3 3 (21.43%) HNC
3 3 (21.43%) HND
3 3 (21.43%) PhD
3 3 (21.43%) SC Cleared
4 2 (14.29%) Master's Degree
System Software
1 3 (21.43%) Hyper-V
1 3 (21.43%) VMware Infrastructure
Vendors
1 3 (21.43%) Google
1 3 (21.43%) Siemens
1 3 (21.43%) VMware