Opto-Mechanical Engineer
2026-03-19
About the job
Semiconductor supplier KD provides innovative high-speed optical networking for harsh environments. Making gigabit communications over fiber optics a reality, KD technology supplies multi Gb/s optical links for automotive, industrial, and home networks.
Founded in 2010 in Madrid, Spain, KD offer its cost-effective technology as either ASSP or IP (Intellectual Property) to be integrated in SoCs (System-on-Chips).
KD has about 75 employees, we are in full expansion due to the development of innovative products in the sector and the creation of a unique factory in Spain.
As a result, we are looking for a Opto-Mechanical Engineer.
These are your tasks
Design and implementation of optical measurement test benches, mechanical interfaces, compact beam-delivery setups.
Design and validation of optical connectors and collaboration with other companies to develop the fiber optic connector eco-system.
Perform optical and mechanical simulations (VCSEL/PD to fiber coupling, beam propagation, thermal and vibration sensitivity, mechanical stiffness, etc.).
Component reliability and qualification testing.
Develop mechanical/optomechanical test procedures.
Geometrical measurements and inspection of Fiber Optic Transceivers (FOTs), connectors, boards, etc., by using digital microscope and CMM equipment.
Assembly, alignment, and characterization of optical modules.
Develop stable free-space optical layouts (beam shaping, splitting, polarization management, mode-matching, fiber coupling).
Development of assembly process, fixtures and tooling, including tolerance analysis and edition of detailed mechanical drawings and assembly documentation.
Support transition from R&D prototypes to manufacturable, production-ready sub-systems.
What you bring with you
Education: BSc/MSc in Optics, Physics, Mechanical Engineering, Electrical Engineering, or related field.
Experience: A minimum of 5 years' experience in Opto-Mechanical field.
Hands-on experience in building, aligning and testing optical and opto-mechanical setups and assemblies is required.
Experience with optical simulation tools (Zemax/OpticStudio, CodeV, or Python/MATLAB beam-propagation tools) is required.
Ability to generate clear documentation: assembly drawings, alignment procedures, test reports.
Desirable competences
Knowledge & Skills
Programming skillsets using Python or Matlab for numerical models and data analysis using libraries such as numpy, scipy and pandas is required.
Experience in mechanical design and simulation using modern 3D design software like Ansys Mechanical, Solidworks, Autocad, Catia, Inventor or similar.
Familiarity with Geometric Design & Tolerancing (GD&T).
Analytical skills, including data analysis.
Knowledge of version control software is welcome.
Fluent written and verbal English communication skill is a must: all internal documentation is written in English.
Personal Profile
Continuous search for technical excellence.
Passion for learning from experience.
Critical and constructive attitude.
Capability to accept system design responsibilities.
Proactive (problem solving) attitude.
Team membership attitude.
With us you can expect
Development and growth: we offer development and training opportunities in a fast-growing start-up company.
Financial stability: With us you receive performance-related pay, health insurance as well as other company benefits.
Work-life balance: A concern that is part of the company's culture. We offer the possibility of hybrid work and flexible working hours and the opportunity to work in a modern workplace in an excellent location in Madrid (Tres Cantos).
Working together: we are a friendly team with a shared passion for technology. We focus on building personal connections through team events and networking activities between teams.
Employment benefits
Flexible working hours, intensive working hours on Fridays and the three summer months.
10 hours of telework per week.
Free Medical insurance for the employee and discounts for family members.
English/Spanish classes free.
Ticket Restaurant option.
Company social events.
Training plan and development opportunities.
Employment conditions
Indefinite full-time contract.
24 working days holiday.
Dynamic and collaborative work environment, with ambitious and innovative projects.
Flat hierarchies and open communication.
A very good working atmosphere with competent, motivated and friendly colleagues, open to the international level.
Location: Madrid (Tres Cantos).
Salary: To be negotiated based on candidate's experience.
- Location
- Madrid, Spain
- Contract type
- Full-Time
- Experience
- >5 years
- Education
- Bachelor's or master's degree