Build the future of autonomous security with us

Be part of a team that’s changing how the world thinks about security. Browse our open roles or reach out with your CV and a little about yourself.

Build the future of autonomous security with us

Build the future of autonomous
security with us

Be part of a team that’s changing how the world thinks about security. Browse our open roles or reach out with your CV and a little about yourself.

Working at Sunflower Labs

Working at Sunflower Labs is intense, fast moving, and hands on. People push hard, solve real problems, and take ownership of their work. It is not an easy place, but it is a place where you grow quickly, build meaningful products, and have fun doing it. The team is tight knit, the mission is ambitious, and the work is deeply rewarding.

Apply directly: We do not typically work with placement firms or external recruiters. We prefer that candidates reach out to us directly so we can engage with them without intermediaries. This helps us maintain a clear, efficient hiring process and ensures that every applicant gets our full attention.

Notice: Please note that any personal information you share will be subject to our Personnel Privacy Policy and Notice at Collection. We may use AI tools to help review applications and assess responses, but they do not replace human judgment. All hiring decisions are made by people. If you want details on how your data is handled, please contact us.

Open positions

On-site positions in Zurich, Switzerland

Mechanical Engineer

Zurich, Switzerland

As Mechanical Engineer you will be developing and designing parts and mechanical assemblies for the drone and base station of Sunflower Labs Beehive 1 System (drone-in-a-box solution). This position is for an on-site employee for our Zurich office. You will be working closely with other mechanical engineers, robotics engineers, and electrical engineers to deliver models and drawings of mechanical components and assemblies, as well as test fixtures.

Responsibilities

  • Use CAD (Solidworks) to design mechanical components, assemblies and test fixtures

  • Conduct DFM and DFA review of mechanical parts and assemblies  

  • Generate mechanical drawings with proper geometric dimensioning and tolerancing (GD&T) per ISO

  • Fabricate and validate hardware prototypes and electromechanical systems by writing test plans, designing test fixtures and performing verification tests together with our production team

  • Design thermal solutions, using a combination of CFD, FEA and thermal simulations and empirical tests

  • Write and maintain production documentation such as SOPs

Qualifications

  • Minimum Bachelor's degree in Mechanical Engineering

  • 5+ years of experience in mechanical design in robotics, drones or a related field

  • Skill to reduce complex systems into a simple design

  • Show creativity and out-of-the-box thinking

  • Experience with thermal systems analysis and design

  • Experience with airflow simulations

  • Extensive CAD experience with SolidWorks and ePDM

  • Experience with geometric dimensioning and tolerancing (GD&T) per ISO 8015 and ISO 1101

  • Experience with rapid prototyping methods such as 3D printing, vacuum casting and CNC machining

  • Experience with DFM best practices for injection molding and sheet metal

  • Organized, inquisitive, open-minded and willing to get your hands dirty

  • Enjoy working in a team at a small company with a collaborative and dynamic environment

  • A portfolio of past and current mechanical design projects is a major plus

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Mechanical Engineer

Zurich, Switzerland

As Mechanical Engineer you will be developing and designing parts and mechanical assemblies for the drone and base station of Sunflower Labs Beehive 1 System (drone-in-a-box solution). This position is for an on-site employee for our Zurich office. You will be working closely with other mechanical engineers, robotics engineers, and electrical engineers to deliver models and drawings of mechanical components and assemblies, as well as test fixtures.

Responsibilities

  • Use CAD (Solidworks) to design mechanical components, assemblies and test fixtures

  • Conduct DFM and DFA review of mechanical parts and assemblies  

  • Generate mechanical drawings with proper geometric dimensioning and tolerancing (GD&T) per ISO

  • Fabricate and validate hardware prototypes and electromechanical systems by writing test plans, designing test fixtures and performing verification tests together with our production team

  • Design thermal solutions, using a combination of CFD, FEA and thermal simulations and empirical tests

  • Write and maintain production documentation such as SOPs

Qualifications

  • Minimum Bachelor's degree in Mechanical Engineering

  • 5+ years of experience in mechanical design in robotics, drones or a related field

  • Skill to reduce complex systems into a simple design

  • Show creativity and out-of-the-box thinking

  • Experience with thermal systems analysis and design

  • Experience with airflow simulations

  • Extensive CAD experience with SolidWorks and ePDM

  • Experience with geometric dimensioning and tolerancing (GD&T) per ISO 8015 and ISO 1101

  • Experience with rapid prototyping methods such as 3D printing, vacuum casting and CNC machining

  • Experience with DFM best practices for injection molding and sheet metal

  • Organized, inquisitive, open-minded and willing to get your hands dirty

  • Enjoy working in a team at a small company with a collaborative and dynamic environment

  • A portfolio of past and current mechanical design projects is a major plus

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Mechanical Engineer

Zurich, Switzerland

As Mechanical Engineer you will be developing and designing parts and mechanical assemblies for the drone and base station of Sunflower Labs Beehive 1 System (drone-in-a-box solution). This position is for an on-site employee for our Zurich office. You will be working closely with other mechanical engineers, robotics engineers, and electrical engineers to deliver models and drawings of mechanical components and assemblies, as well as test fixtures.

Responsibilities

  • Use CAD (Solidworks) to design mechanical components, assemblies and test fixtures

  • Conduct DFM and DFA review of mechanical parts and assemblies  

  • Generate mechanical drawings with proper geometric dimensioning and tolerancing (GD&T) per ISO

  • Fabricate and validate hardware prototypes and electromechanical systems by writing test plans, designing test fixtures and performing verification tests together with our production team

  • Design thermal solutions, using a combination of CFD, FEA and thermal simulations and empirical tests

  • Write and maintain production documentation such as SOPs

Qualifications

  • Minimum Bachelor's degree in Mechanical Engineering

  • 5+ years of experience in mechanical design in robotics, drones or a related field

  • Skill to reduce complex systems into a simple design

  • Show creativity and out-of-the-box thinking

  • Experience with thermal systems analysis and design

  • Experience with airflow simulations

  • Extensive CAD experience with SolidWorks and ePDM

  • Experience with geometric dimensioning and tolerancing (GD&T) per ISO 8015 and ISO 1101

  • Experience with rapid prototyping methods such as 3D printing, vacuum casting and CNC machining

  • Experience with DFM best practices for injection molding and sheet metal

  • Organized, inquisitive, open-minded and willing to get your hands dirty

  • Enjoy working in a team at a small company with a collaborative and dynamic environment

  • A portfolio of past and current mechanical design projects is a major plus

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Robotics Engineer

Zurich, Switzerland

We are looking for an experienced, hands-on robotics engineer with excellent software engineering skills who is motivated to work with drones. You will be responsible for designing and delivering our system’s autonomy layer, which orchestrates mission execution, performs fault detection and diagnosis, and manages mitigation and recovery. This role involves deep systems engineering in C++, operating under stringent real-time constraints. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Design and develop autonomy features for a UAV

  • Implement UAV health and safety checks on embedded platforms

  • Design and implement mission/flight manager state machines

  • Own and implement end-to-end fault management including detection, isolation, mitigation, and recovery (FIMR)

  • Develop fleet telemetry that enables actionable problem identification and resolution

  • Design and execute rigorous flight safety tests

Qualifications

  • Strong programming skills in C++ and Python required

  • Proven ability to develop for the PX4 flight stack

  • Track record of developing and testing safety-critical real-time software

  • Demonstrated expertise in systems thinking

  • Minimum B.S. in computer science or related engineering field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Robotics Engineer

Zurich, Switzerland

We are looking for an experienced, hands-on robotics engineer with excellent software engineering skills who is motivated to work with drones. You will be responsible for designing and delivering our system’s autonomy layer, which orchestrates mission execution, performs fault detection and diagnosis, and manages mitigation and recovery. This role involves deep systems engineering in C++, operating under stringent real-time constraints. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Design and develop autonomy features for a UAV

  • Implement UAV health and safety checks on embedded platforms

  • Design and implement mission/flight manager state machines

  • Own and implement end-to-end fault management including detection, isolation, mitigation, and recovery (FIMR)

  • Develop fleet telemetry that enables actionable problem identification and resolution

  • Design and execute rigorous flight safety tests

Qualifications

  • Strong programming skills in C++ and Python required

  • Proven ability to develop for the PX4 flight stack

  • Track record of developing and testing safety-critical real-time software

  • Demonstrated expertise in systems thinking

  • Minimum B.S. in computer science or related engineering field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Robotics Engineer

Zurich, Switzerland

We are looking for an experienced, hands-on robotics engineer with excellent software engineering skills who is motivated to work with drones. You will be responsible for designing and delivering our system’s autonomy layer, which orchestrates mission execution, performs fault detection and diagnosis, and manages mitigation and recovery. This role involves deep systems engineering in C++, operating under stringent real-time constraints. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Design and develop autonomy features for a UAV

  • Implement UAV health and safety checks on embedded platforms

  • Design and implement mission/flight manager state machines

  • Own and implement end-to-end fault management including detection, isolation, mitigation, and recovery (FIMR)

  • Develop fleet telemetry that enables actionable problem identification and resolution

  • Design and execute rigorous flight safety tests

Qualifications

  • Strong programming skills in C++ and Python required

  • Proven ability to develop for the PX4 flight stack

  • Track record of developing and testing safety-critical real-time software

  • Demonstrated expertise in systems thinking

  • Minimum B.S. in computer science or related engineering field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Test Engineer

Zurich, Switzerland

We are looking for a test engineer to develop test procedures, run test campaigns, implement continuous integration testing and develop hardware-in-the-loop (HITL) test harnesses for our autonomous drone-in-a-box system. You will write software to implement automated tests and evaluation, as well as spend time in the field manually operating the system to put it through its paces. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Own the development and implementation of automated end-to-end testing procedures

  • Drive the implementation and maintenance of SITL and HITL continuous integration tests

  • Design and execute flight test campaigns to verify system performance

  • Take ownership of rigorously stress-testing the system to identify weaknesses

  • Be responsible for creating comprehensive test reports

  • Recommend enhancements to improve system reliability and usability

Qualifications

  • Experience in requirements analysis, test design, writing test cases

  • Experience with automated testing tools (GTest, PyTest, Robot Framework)

  • Programming experience (Python, C++)

  • Experience in test execution, e.g. manual testing, tracking of defects and reporting of results

  • Experience in the drone industry a plus

  • Bachelor or master degree in a relevant field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Test Engineer

Zurich, Switzerland

We are looking for a test engineer to develop test procedures, run test campaigns, implement continuous integration testing and develop hardware-in-the-loop (HITL) test harnesses for our autonomous drone-in-a-box system. You will write software to implement automated tests and evaluation, as well as spend time in the field manually operating the system to put it through its paces. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Own the development and implementation of automated end-to-end testing procedures

  • Drive the implementation and maintenance of SITL and HITL continuous integration tests

  • Design and execute flight test campaigns to verify system performance

  • Take ownership of rigorously stress-testing the system to identify weaknesses

  • Be responsible for creating comprehensive test reports

  • Recommend enhancements to improve system reliability and usability

Qualifications

  • Experience in requirements analysis, test design, writing test cases

  • Experience with automated testing tools (GTest, PyTest, Robot Framework)

  • Programming experience (Python, C++)

  • Experience in test execution, e.g. manual testing, tracking of defects and reporting of results

  • Experience in the drone industry a plus

  • Bachelor or master degree in a relevant field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting

Test Engineer

Zurich, Switzerland

We are looking for a test engineer to develop test procedures, run test campaigns, implement continuous integration testing and develop hardware-in-the-loop (HITL) test harnesses for our autonomous drone-in-a-box system. You will write software to implement automated tests and evaluation, as well as spend time in the field manually operating the system to put it through its paces. This position is for an on-site employee for our Zurich office.

Responsibilities

  • Own the development and implementation of automated end-to-end testing procedures

  • Drive the implementation and maintenance of SITL and HITL continuous integration tests

  • Design and execute flight test campaigns to verify system performance

  • Take ownership of rigorously stress-testing the system to identify weaknesses

  • Be responsible for creating comprehensive test reports

  • Recommend enhancements to improve system reliability and usability

Qualifications

  • Experience in requirements analysis, test design, writing test cases

  • Experience with automated testing tools (GTest, PyTest, Robot Framework)

  • Programming experience (Python, C++)

  • Experience in test execution, e.g. manual testing, tracking of defects and reporting of results

  • Experience in the drone industry a plus

  • Bachelor or master degree in a relevant field

  • Good oral and written skills in English

  • Work permit in Switzerland required

If you are interested in this position, please send your CV to: jobs@sunflower-labs.com

Please review the data privacy notice before submitting