Full-Time
Thermal Vacuum Test Technician
Isar Aerospace
201-500 employees
Privately funded small-satellite launch services
No salary listed
Munich, Germany
In Person
 QA & Testing |
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- Degree and proven experience as a Mechanic, Car-Mechatronic, Mechanic for agricultural or construction Equipment, Machining Mechanic.
- Wiring and Fluid diagrams are a significant requirement for you.
- Even under pressure you demonstrate strong problem-solving skills and attention to detail.
- Ability to work collaboratively within a multidisciplinary team.
- Excellent communication skills, both written and verbal, with fluent English and German at level B2.
- Running our Thermal facility, including preparation of test articles and related subsystems for testing, preparation, installation and troubleshooting of fluidlines, valves and electrical systems (24VDC) including analog and digital sensors and actuators, and controls panels.
- Maintenance of the facilities and adaptation of our Test systems according to given requirements and updating documentation accordingly.
- Support testing operations as required, including performing manual operations on pressurized and cryogenic systems.
- Time limited deployments on our Launchbase in Andoya, Norway and our Test site in Kiruna, Sweden may occur from time to time.
- Hands-on experience with high pressure Fluid systems up to 800 Bar, preferably Swagelok.
- Familiarity with ATEX regulations, high-pressure environments, compressed gases, and cryogenic systems (LN2) is highly desirable.
- Occupational trade school qualification in a mechanical field.
- Experience with CAD Design Software such as AutoCAD or similar.
What Isar Aerospace does: It provides launch services for small- and medium-sized satellites in Europe using its two-stage Spectrum rocket. How the product works: Spectrum is a high-performance two-stage vehicle with configurable launch options, including solo launches or rideshares to a chosen orbit, and Isar handles the full service from booking to launch, supported by in-house manufacturing and a data-driven approach to design and operations. How it differs from competitors: It is privately funded (not reliant on government funding), emphasizes in-house production and a data-driven process, and focuses on flexible launch configurations and environmental sustainability to reduce risk and cost. What the company aims to achieve: To become a reliable private provider of space access for the small/medium satellite market, growing with a global customer base, and advancing toward its first test flight and commercial operations with a scalable, low-risk launch system.
Company Size
201-500
Company Stage
Series D
Total Funding
$932.6M
Headquarters
Ottobrunn, Germany
Founded
2018
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Simplify's Take
What believers are saying
- Isar secured €270 million in Series D funding in June 2026 to scale serial production of Spectrum and expand globally.
- European government and defense customers now represent 60% of Isar's demand pipeline, reflecting urgent demand for sovereign launch capability.
- The company signed a 10-year Nova Scotia launch agreement in July 2026, enabling up to 40 annual launches by 2029.
What critics are saying
- Spectrum has never reached orbit and failed its first test flight after 30 seconds due to a vent valve opening and loss of attitude control.
- Isar committed US$112.5 million in fixed payments over 10 years to Spaceport Nova Scotia despite Spectrum being unproven, creating severe cash burn.
- ESA's European Launcher Challenge requires an orbital demonstration by 2027; repeated delays risk loss of €900M+ in programme support and government contracts.
What makes Isar Aerospace unique
- Isar Aerospace is Europe's leading private orbital launch company with Spectrum, a two-stage liquid-fueled rocket built almost entirely in-house.
- The company uses a vertically integrated, automated manufacturing model in its 40,000 m² Munich facility to produce over 30 vehicles annually.
- Spectrum is the first orbital launch vehicle from continental Europe, using propane and liquid oxygen propellants for high performance and low environmental impact.
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Benefits
Employee Stock Purchase Plan
Paid Vacation
401(k) Company Match
Professional Development Budget
Childcare Support
Growth & Insights and Company News
6 month growth
↓ -2%1 year growth
↓ -3%2 year growth
↓ -1%German aerospace company signs 10-year deal to use Nova Scotia rocket launch pad. HALIFAX - The company vying to build Canada's first commercial rocket launch pad in Nova Scotia has signed a deal with a German aerospace firm that could see orbital launches by 2028. By Devin Stevens The Canadian Press HALIFAX - The company vying to build Canada's first commercial rocket launch pad in Nova Scotia has signed a deal with a German aerospace firm that could see orbital launches by 2028. Maritime Launch Services Ltd. says Germany's Isar Aerospace plans to build a dedicated complex at its site near Canso, N.S., for Isar's Spectrum rocket.
Isar Aerospace plants second launch site in Canada for growth in the space sector. The German start-up Isar Aerospace announces the construction of a second launch site in Canada to expand its growth prospects in the space sector. The new... Eulerpool News Agency Expansion into the canadian market. The German start-up Isar Aerospace, known for its innovative approaches in the field of launch vehicles, is planning a significant expansion. In cooperation with Maritime Launch Services, a second launch site will be established in Nova Scotia, Canada, which will be part of a newly developed spaceport. This initiative underscores Isar Aerospace's ambitions to establish itself as a significant player in the global space market. The planned launch site in Canada is set to begin construction later this year, with the first launch of the "Spectrum" rocket scheduled for 2028. The contract, which has a duration of ten years, stipulates that Isar Aerospace will pay $3.75 million quarterly after an initial period of two and a half years. This strategic investment could not only enhance the company's competitiveness but also highlight Canada as an attractive location for space activities. Challenges and opportunities in the European space sector. Currently, European space companies face the challenge of having to rely largely on the US competitor SpaceX to launch their satellites due to a lack of capacity. The development of the "Spectrum" rocket, specifically designed for transporting satellites into low Earth orbit, could reduce this dependence and strengthen the European market. Isar Aerospace already has a launch site on the Norwegian island of Andøya, where the first test flight is scheduled for March 2025. However, the second launch of the "Spectrum" rocket planned for this year has already been postponed four times. These delays could raise concerns among potential investors, as they call into question the company's ability to deliver on time. Outlook on the capital market. The expansion into Canada could help Isar Aerospace assert itself in an increasingly competitive market while simultaneously increasing shareholder value. With a stronger presence in North America, the company could not only attract new customers but also benefit from the growing investments in space technology. According to Eulerpool data, companies with diversified launch capacities generally respond better to market changes. Overall, Isar Aerospace's decision to expand into Canada represents a bold step that carries both risks and opportunities. The coming years will be crucial to observe how this strategy impacts the company's competitiveness and long-term success.
Isar Aerospace launches second test flight of the Spectrum rocket. The Bavarian aerospace startup Isar Aerospace is preparing for the second test flight of its Spectrum rocket to strengthen the European space industry and... Isar Aerospace on the path to series production. After several delays, the Bavarian aerospace startup Isar Aerospace is on the verge of launching its Spectrum rocket for the second test flight. The launch window from the Norwegian spaceport Andøya opens this Monday evening. With this step, the company from Ottobrunn near Munich aims to make the rocket commercially viable faster than the US company SpaceX, which required four attempts for its test flights. The Spectrum rocket completed its first test flight in the spring of last year, but tragically ended in the sea after just 30 seconds. The second attempt, originally scheduled for January, was postponed due to a faulty valve. Further setbacks occurred when a Norwegian fisherman did not leave the safety zone in time, as well as due to a leaking pressure vessel, which thwarted the third attempt in April. For the upcoming test flight, the rocket is carrying five mini-satellites and a scientific experiment. This mission is not only a technical endeavor but also a strategic step to strengthen the European space industry and reduce dependence on SpaceX. Currently, European satellites are predominantly launched into space by SpaceX, undermining the competitiveness of the domestic industry. Isar Aerospace plans to ramp up production to as many as 40 rockets per year, which not only underscores the company's innovative capacity but could also enhance the attractiveness of the location for investors and partners in the European space sector. The ability to manufacture its own rockets could ultimately increase shareholder value and usher in a new chapter in European space history. In a time when technological independence and speed of innovation are crucial, the success of Isar Aerospace is being closely monitored. If the second test flight is successful, it could not only boost the company's growth but also strengthen investor confidence in the European space industry.
Mission 'onward and Upward' launch window opens NET 23 March. 12:03 GMT+1 ∙ 18 Mar, 2026 Isar Aerospace is targeting NET 23 March to launch mission 'Onward and Upward' during the available launch window, which opens at 9pm CET. This adjustment is due to unfavorable weather conditions in the launch area in the coming days. The final date remains subject to weather, safety and range infrastructure. Our team is continuing final preparations, and we'll keep monitoring conditions closely as we approach the new launch window. The second flight and qualification mission of Isar Aerospace's 'Spectrum' launch vehicle will be broadcast live on YouTube: https://youtube.com/live/MsbZj8PxmUk The livestream will start at approximately: * T-01h00min * 8:00pm CET * 7:00pm UTC * 2:00pm ET
Isar Aerospace secures first active debris removal mission with Astroscale. Munich, 16 March 2026 - Space company Isar Aerospace has signed a launch service agreement with Astroscale Ltd, the UK subsidiary of Astroscale Holdings Inc., to launch the 'ELSA-M' In-Orbit Demonstration (IOD) mission. This mission represents a major milestone for Astroscale's pioneering end-of-life removal services, and adds to Isar Aerospace's rapidly expanding launch manifest, underscoring the strong global demand for flexible launch from Europe and the trust customers worldwide have in the company's launch capabilities. The 'ELSA-M IOD' launch will mark a critical step toward commercial in-orbit servicing. As Isar Aerospace's first end-of-life mission, it demonstrates the company's ability to target specific orbits required for a rendezvous mission, meeting the unique requirements of customers worldwide. "We are thrilled to partner with Astroscale. The 'ELSA-M' In-Orbit Demonstration mission will not only display the future of active debris removal in space, but already today shows why customers opt to launch with Isar Aerospace: We provide our customers with the flexibility to determine when their payloads are launched to a target orbit they require," says Stella Guillen, Chief Commercial Officer of Isar Aerospace. "This is our first involvement of active debris removal mission and we are proud to contribute to space sustainability by supporting Astroscale's pioneering activities." The mission will be launched aboard Isar Aerospace's 'Spectrum' launch vehicle from the company's dedicated launch site at Andøya Space. The 'Spectrum' launcher is designed, built, and operated entirely in-house, utilizing a high degree of automation. This approach enables the company to scale manufacturing and meet surging global demand. With this launch agreement, Isar Aerospace and Astroscale are further contributing to strengthening Europe's space capabilities. Astroscale is a global leader in in-orbit servicing, advancing its commercial end-of-life service through the 'ELSA-M IOD' mission. The company aims to secure a circular economy in space through missions that inspect, service and remove satellites. 'ELSA-M' will be the world's first commercial end-of-life service for prepared satellites, meaning satellites designed with technologies such as an interface that will enable docking and removal. Majority self-funded, Astroscale's 'ELSA-M' mission is supported by the UK Space Agency through the European Space Agency's programme of Advanced Research in Telecommunications Systems (ARTES) as part of the Sunrise Partnership Project, a public-private partnership between ESA and Eutelsat. As part of this demonstration, Astroscale's 520kg 'ELSA-M' servicer spacecraft will capture and remove an end-of-life Eutelsat OneWeb satellite, advancing Astroscale's active debris removal (ADR) capabilities and contributing to sustainable space operations. The 'ELSA-M' mission is a key step in Astroscale's roadmap toward routine, scalable in-orbit services, enabling satellite operators to remove debris responsibly, support a sustainable space environment and contribute to the growth of a circular economy in space. "ELSA-M is a major step forward for commercial end-of-life services, building on Astroscale's flight-proven rendezvous and proximity operations capability," says Nick Shave, Managing Director of Astroscale UK. "Through missions such as ELSA-d and ADRAS-J, we have demonstrated safe, controlled approaches and robust relative navigation - core skills that underpin responsible in-orbit servicing. With Isar Aerospace providing both launch flexibility and orbital precision that our rendezvous mission requires, we are ready to deliver an active debris removal service that will enable a more sustainable space environment and circular economy in space." About Isar Aerospace The European space company Isar Aerospace offers launch services for transporting small and medium-sized satellites and satellite constellations into Earth orbit. The launch vehicles used to transport these satellites are developed, manufactured, and tested almost entirely in-house. Headquartered near Munich, Germany, Isar Aerospace was founded in 2018 and has grown to over 400 employees, working across 5 international locations. Private funding from international investors provides strong backing for the company's pioneering approach to scale and industrialize launch vehicle production through vertical integration. More information: www.isaraerospace.com About Astroscale Astroscale is the global leader in in-orbit servicing, dedicated to the safe and sustainable development of space. The company delivers a variety of innovative and scalable on-orbit servicing solutions, including life extension, in-situ space situational awareness, end-of-life, and active debris removal. Since its first successful launch in March 2021, Astroscale has proven rendezvous and proximity operations technologies in orbit during the ELSA-d and ADRAS-J missions. Astroscale spacecraft have been selected for pioneering missions with JAXA, the U.S. Space Force, the European Space Agency, the UK Space Agency, and Eutelsat. As more satellite operators adopt in-orbit servicing to routinely inspect, relocate, remove, and extend the life of spacecraft, the potential of a circular space economy - and a future of no waste in space - is being unlocked. Headquartered in Japan, Astroscale has a global presence with subsidiaries in the United Kingdom, the United States, France, and Israel. https://www.astroscale.com