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About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

About the role:

As a Space Test Engineer at APR Technologies you will specify, plan and execute functional, performance, and environmental test campaigns throughout the product development lifecycle. You ensure that products meet system requirements and qualification standards, collaborating closely with project teams, external test laboratories and suppliers.

Key responsibilities:

• Specify, plan, execute, and document functional, performance, and environmental test campaigns throughout the product development lifecycle.

• Develop test procedures, test setups, and instrumentation plans based on system requirements.

• Provide input during the design phase to ensure that the design is verifiable.

• Operate thermal and environmental test equipment, including thermal chambers, environmental chambers, chillers, heaters, and thermal-vacuum facilities.

• Ensure accurate data collection, calibration, and analysis of test results while maintaining traceability between requirements and verification activities.

• Support verification planning, FMEA, and risk assessments.

• Identify and resolve issues during testing and system integration.

• Produce high-quality test documentation, including procedures, test reports, and verification control documents.

• Work with thermal engineers in correlating test results with thermal models.

• Collaborate closely with project teams, external test laboratories, and suppliers to plan, execute, and validate test activities.

Who you are:

You are structured and analytical, working from requirements to results with care. You are comfortable in a fast-moving, technical environment where priorities can shift and decisions get made quickly. You work well with others, share your knowledge and take ownership of your results so that others can rely on them.

What you bring:

• Engineering degree or equivalent.

• Hardware testing experience.

• Knowledge of test methods, instrumentation, and data analysis.

• Fluency in English.

• Ability to write clear protocols and reports

• Strong collaboration and communication skills.

• Problem-solving mindset.

An extra plus if you have:

• Testing experience from space projects.

• Familiarity with relevant ECSS standards.

• Experience with test automation, preferably using Python.

• Experience with fluid systems, thermal systems or other pressurized systems.

Working at APR Technologies:

APR operates at the intersection of physics, engineering and one of the most pressing problems in technology: thermal management. The ambition is to become the global industry standard for thermal control, and we are well on our way.

Here your work is visible, your perspective counts and what you do has a real impact on where the company goes. Working here means solving problems that have real consequences for how technology develops and how much energy it consumes. It means being part of a team that takes both the technology and the business seriously.

About APR Technologies:

APR Technologies is a Swedish deep tech company developing and producing high-performance liquid cooling for applications in space, defense, batteries and chip cooling. Our core technology Rheion®, developed in collaboration with ESA and Airbus and protected by more than 70 granted patents in 22 countries, directs cooling liquid flow directly to the heat source with no moving parts.

Ytsab Defence AB is seeking a highly motivated Researcher with a strong background in electronics, electromagnetism, and experimental lab work. As part of our cutting-edge defence R&D team, you will contribute to the development of next-generation electromagnetic weapon systems and related technologies.

🔧 Responsibilities:

• Conduct applied research in electromagnetics and high-voltage electronics
• Design and execute laboratory experiments for testing electromagnetic systems
• Collect, analyse, and document test results with precision
• Prepare technical reports and documentation for internal and EU-funded projects
• Collaborate with engineers and scientists across multiple disciplines
• Stay up-to-date with recent developments in electromagnetic technologies

📚 Requirements:

• Master's degree or PhD in Electrical Engineering, Applied Physics, or a related field
• Solid understanding of electromagnetism, circuit theory, and power electronics
• Proven experience in performing scientific research and publishing technical reports
• Hands-on experience with lab instrumentation and experimental setups
• Excellent written and verbal communication skills in English (Swedish is a plus)
• Strong analytical skills and problem-solving mindset

🌍 Bonus Qualifications:

• Experience in EU defence research projects or similar collaborative environments
• Knowledge of coilgun, railgun, or other pulsed-power systems
• Familiarity with simulation tools (e.g., LTspice, COMSOL, ANSYS)

✅ What We Offer:

• A unique opportunity to work on disruptive technologies for defence applications
• A flexible and collaborative work environment
• Possibility to participate in international R&D consortia
• Competitive salary and benefits

Ytsab Defence AB is seeking a highly motivated Researcher with a strong background in electronics, electromagnetism, and experimental lab work. As part of our cutting-edge defence R&D team, you will contribute to the development of next-generation electromagnetic weapon systems and related technologies.

🔧 Responsibilities:

• Conduct applied research in electromagnetics and high-voltage electronics
• Design and execute laboratory experiments for testing electromagnetic systems
• Collect, analyse, and document test results with precision
• Prepare technical reports and documentation for internal and EU-funded projects
• Collaborate with engineers and scientists across multiple disciplines
• Stay up-to-date with recent developments in electromagnetic technologies

📚 Requirements:

• Master's degree or PhD in Electrical Engineering, Applied Physics, or a related field
• Solid understanding of electromagnetism, circuit theory, and power electronics
• Proven experience in performing scientific research and publishing technical reports
• Hands-on experience with lab instrumentation and experimental setups
• Excellent written and verbal communication skills in English (Swedish is a plus)
• Strong analytical skills and problem-solving mindset

🌍 Bonus Qualifications:

• Experience in EU defence research projects or similar collaborative environments
• Knowledge of coilgun, railgun, or other pulsed-power systems
• Familiarity with simulation tools (e.g., LTspice, COMSOL, ANSYS)

✅ What We Offer:

• A unique opportunity to work on disruptive technologies for defence applications
• A flexible and collaborative work environment
• Possibility to participate in international R&D consortia
• Competitive salary and benefits

Ytsab Defence AB is seeking a highly motivated Researcher with a strong background in electronics, electromagnetism, and experimental lab work. As part of our cutting-edge defence R&D team, you will contribute to the development of next-generation electromagnetic weapon systems and related technologies.

🔧 Responsibilities:

• Conduct applied research in electromagnetics and high-voltage electronics
• Design and execute laboratory experiments for testing electromagnetic systems
• Collect, analyse, and document test results with precision
• Prepare technical reports and documentation for internal and EU-funded projects
• Collaborate with engineers and scientists across multiple disciplines
• Stay up-to-date with recent developments in electromagnetic technologies

📚 Requirements:

• Master's degree or PhD in Electrical Engineering, Applied Physics, or a related field
• Solid understanding of electromagnetism, circuit theory, and power electronics
• Proven experience in performing scientific research and publishing technical reports
• Hands-on experience with lab instrumentation and experimental setups
• Excellent written and verbal communication skills in English (Swedish is a plus)
• Strong analytical skills and problem-solving mindset

🌍 Bonus Qualifications:

• Experience in EU defence research projects or similar collaborative environments
• Knowledge of coilgun, railgun, or other pulsed-power systems
• Familiarity with simulation tools (e.g., LTspice, COMSOL, ANSYS)

✅ What We Offer:

• A unique opportunity to work on disruptive technologies for defence applications
• A flexible and collaborative work environment
• Possibility to participate in international R&D consortia
• Competitive salary and benefits