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Optical Engineer

Posted 18 Mar 2026
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Work experience
0 to 6 years
Full-time / part-time
Full-time
Job function
Degree level
Required languages
English (Fluent)
Dutch (Fluent)

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Do you have a strong interest in optical technology and want to contribute to optical innovations?

At Demcon Focal we are looking for enthusiastic optical engineers for our location in Delft.

Over Demcon

Demcon Focal is a high-tech development and engineering partner with a deep-rooted fascination for light, precision, and advanced imaging systems. We specialize in creating customized optomechatronic and vision systems, supporting our customers from the initial concept through to final assembly. By integrating optics/photonics, optomechanics and software into coherent and robust solutions, we enable technological progress in the most demanding applications. In doing so, we build on our extensive and fundamental knowledge of the properties of light.

Wat ga je doen?

As Optical Engineer you will develop complex optical systems for various customers. Typical applications include, but are not limited to:

  • Lens systems for camera set-ups or projection optics
  • Laser beam delivery and beam conditioning systems, for example for high-end laser satellite communication applications.
  • Optical probing systems for precision measurements of dimensions & distances, 3D coordinates, surface defects, or surface metrology.
  • Illumination optics for high-precision microscopes, industrial lighting or computer vision applications.

You will be responsible for designing optical systems, performing trade-off studies, error budgeting and tolerance analysis. You will be involved in the full life cycle of product development, and you will contribute to the verification and qualification of the created solution. In addition, you provide technical content support to the project managers in the transfer of the project result to the customer. You play an important role as a sparring partner for your colleagues in a strongly interactive, multidisciplinary environment.

Together with a project manager, you oversee and manage the process from quotation to implementation at the client's site. Typically, you take the role of domain specialist. You monitor technical progress, planning, and budget and take action where necessary. You ensure good communication with the client, cohesion within the project team, and internal coordination within Demcon.

Wat breng je mee?

  • PhD or MSc in physics (optics, photonics, imaging), engineering physics or other comparable qualification.
  • Technical background in either optical engineering, lasers, microscopy, imaging or optics/photonics design.
  • Hands-on experience in optical design using Zemax, Code V or any other raytracing software.
  • Conceptual ability, persuasiveness, courage to make decisions and you can think “out-of-the-box”.
  • You are used to working together with specialists from other disciplines, e.g. mechanical engineers.
  • You are curious, enthusiastic and flexible, show initiative and perseverance, are customer-oriented, and have good communication skills.
  • Fluent command of the Dutch and/or English language and comfortable to work in international teams.
  • Competence in data analysis and algorithm development in Python or MATLAB are a plus.

Wat bieden we jou?

At Demcon we value a nice workplace. For example, we have good coffee and there is free fresh fruit waiting for you every week. There is also a lot of personal attention and we discourage overtime because we know how important home is.

Furthermore, you can count on, among other things:

  • A good, market-based salary;
  • 31 days off and 8% vacation allowance;
  • A good pension plan at Zwitserleven;
  • The opportunity to follow training and courses through the Demcon Academy so you can further develop your knowledge;
  • A laptop and telephone from work;
  • Bicycle scheme;
  • Active personnel association (monthly activities such as drinks and an annual Demcon weekend) and annual sporting events.

Wij werken aan oplossingen voor maatschappelijke uitdagingen in de markten aerospace, agri & food, defense & security, energy, high-tech systems & materials, life sciences & health, smart industry en water & maritime. Dat doen we door het ontwikkelen, produceren en leveren van hoogwaardige technologie en innovatieve producten.
Deze bedrijfspagina is automatisch gegenereerd en bevat daarom nog weinig informatie. Je vindt meer informatie over ‘bedrijfsnaam’ op hun website: ‘’Carrierewebsite’’

Engineering
Enschede
850 employees