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Senior Optical Engineer

Posted 15 Sep 2025
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Work experience
10 to 20 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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We are currently looking for a Senior Optical Engineer to join the team in Delft.

As an Optical Engineer, you will work on precision optical techniques, being in close contact with optical designers, optical manufacturers, thermal and mechanical engineers, and calibration and integration specialists within this and other departments. You will develop solutions for the space and semiconductor industries, quantum technologies, structural health monitoring systems, medical applications and big science instruments domains.

Job details

Main responsibilities

  • You will be leading the entire process of realizing high-quality opto-mechanical systems, which takes place by means of MAIT (Manufacturing, Assembly, Integration and Testing) processes using various tools.
  • You will advise the customer about the feasibility of the optical system, the optical quality that can be achieved. Stability, alignment, and testing are key factors in this assessment.
  • In collaboration with your team, you will develop a comprehensive plan for realization, select the necessary tooling, and work closely with Project Managers and Systems Engineers to estimate costs and lead times.
  • You will monitor progress and oversee preparations for AIT of the system during the hardware realization stage.
  • You will be responsible for the optical alignment and optical tests to verify the performance of the system with the help of advanced measuring techniques, including theodolites, interferometers, spectrometers, cameras and light sources.
  • You will regularly check the status of the project, and suggest improvements if possible, both to the team, and reporting to the stakeholders.
  • You will lead high-end optical engineering tasks from a technical and organizational perspective.

Requirements

  • You have a background in Applied Physics.
  • You have at least 10 years of experience in relevant roles.
  • You have experience in Thermal Infrared, Machine Learning or Laser Satcom.
  • You can read and understand (optical and technical) drawings of designs.
  • You enjoy working on complex optical systems.
  • You are ambitious and seeking to expand your skills and help others do so.
  • Your have great communications skills in English to communicate with international colleagues.

Our story

At S&T we contribute to a safer life on earth by translating space data into valuable and actionable insights. We oversee data from instruments to application, and apply our expertise within our software frameworks, information products and consultancy.

Our society relies on space and scientific instruments for climate change monitoring, navigation, defence and national security, and other crucial services we all use in our daily lives. These instruments produce an enormous quantity of complex data, and our goal is to unlock its value.

We have more than 20 years of experience working on instrument calibration, the creation of data quality monitoring tools, the development of real-time data processing frameworks, and the development of application-specific algorithms. With this, we help organisations, governments and industries to strengthen their information position and thereby improve their decision making. We focus on the following domains: Space & Science, Defence & Security, Environment & Sustainability, and High-Tech Consulting.

Apply via our application form, or send your CV and motivational letter directly to recruitment@stcorp.nl.

Sensing problems. Developing solutions.
Our Sensing and Control Systems provide new insights and access to what is happening in harsh environments. Scientific Data Processing ensures that you get the most out of the world's most under-utilized precious resource: data. We can then turn that data into smart decisions with our Intelligent Software Applications. Or if you need on-site support, we have…


Sensing problems. Developing solutions.
Our Sensing and Control Systems provide new insights and access to what is happening in harsh environments. Scientific Data Processing ensures that you get the most out of the world's most under-utilized precious resource: data. We can then turn that data into smart decisions with our Intelligent Software Applications. Or if you need on-site support, we have the brightest minds and greatest people in Technical Consulting for R&D.

Taking the R&D Journey Together
Research and development projects are usually long-term investments in complex systems involving stringent requirements, formalized relationship structures and interfaces, and highly impactful project phases and team scaling. It is important to have an experienced partner that is in it for the long haul. At S[&]T, we are relationship driven, and think not only about the first steps toward partnership, but the long-term win-win-win. We have flexible methods of partnering, and are able to support R&D via projects, personnel and products, depending on which method provides the best solution. Our open communication style and people-driven methods create smooth interfaces and ensure that we are a dependable partner through thick and thin.

Meant to be at S[&]T
At S[&]T, relationships always come first, and we treat our employees like we would like to be treated. We understand that smart people need flexibility, challenging projects, open communication and a motivating career path. If you would like to choose your own adventure when it comes to building a role that is right for you, we are here to support you along the way. Our flat structure and direct connections in a variety of R&D settings provides you with plenty of opportunity, while we also work hard to ensure that we create a fun environment along the way.

Aerospace & Defence
Delft
150 employees