---
title: 'Propulsion Test Design Engineer (m/f/d) at Isar Aerospace SE'
canonical: 'https://feeny.ai/job/propulsion-test-design-engineer-m-f-d-isar-aerospace-se-kiruna-norrbotten-de0rpdkm75sv'
type: 'job'
last_seen: '2026-11-07'
---

# Propulsion Test Design Engineer (m/f/d) at Isar Aerospace SE

- **Company:** Isar Aerospace SE
- **Location:** Kiruna Norrbotten, Sweden
- **Posted:** 2026-10-27
- **Last confirmed live:** 2026-11-07
- **Apply:** https://job-boards.eu.greenhouse.io/isaraerospace/jobs/5017349101

## Job description

Mission Brief

The Propulsion Test Design Engineer is part of a multidisciplinary team responsible for the development and verification testing of liquid rocket engines and their subsystems. The role focuses on the design, performance, maintenance, and continuous improvement of propulsion test facilities and ground support equipment, while supporting test operations, commissioning, and troubleshooting activities.

Your Role in Our Space Mission:

- Plan and execute maintenance, modifications, and upgrades of propulsion test facilities to support current and future test campaigns.
- Monitor, analyse, and improve the performance, reliability, and availability of facility systems through data analysis and troubleshooting.
- Design, build, and commission test benches, test equipment, and facility upgrades.
- Develop and improve procedures, risk assessments, and operational processes to ensure safe and efficient test operations.
- Perform fault investigations, root cause analysis, and corrective actions on facility systems and test equipment.
- Support test preparations, commissioning, test execution, and anomaly resolution in collaboration with test engineers, operators, and technicians.

Qualification Checklist

- Relevant engineering qualification or engineering bachelor’s or master’s degree in the field of aerospace, mechanical engineering or similar
- Hands-on experience in development or testing of complex systems, preferably involving extreme operating conditions such as cryogenic temperatures, high pressures, or high temperatures. Such experience can come from either relevant positions held, or internships, clubs, and other extra-curricular activities
- Capable of designing fluid and mechanical systems from theoretical concept to realization and commissioning
- Able to perform in high-stress environments, maintaining focus and concentration for long durations
- Physical dexterity is required as working in confined spaces is necessary
- Able to lift and carry 25kg
- Fluent in English

Bonus Skills

- Hands-on experience with fluid system and piping/tubing
- Experience with at least one programming language (Python, Matlab, C, C#, Cobol...)
- Knowledge of hazardous systems (cryogenic, flammable, explosive, or similar)

## Benefits

- Employee Participation Program: Share in our success through our virtual company share program
- 30 days of vacation: Enjoy the days off to relax and recharge
- Subsidised lunch: Stay energised with delicious, subsidised lunches every day
- Relocation support: Benefit from our relocation bonus with deductible expenses up to an agreed amount, as well as the option for subsidized temporary housing
- Transportation to/from work: Convenient and affordable transportation with company cars available for pick-up and drop-off at designated times
- Wellness allowance: Stay healthy and fit with our yearly 5.000 SEK allowance for wellness activities (e.g Gym, Massages)
- Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
- Physical and mental well-being: Access via OpenUp the online support from certified psychologists and lifestyle experts at no cost to you and your family
- And Much More! Discover additional perks and benefits when you join our team.

## Who we are

We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space.

Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.

We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation.

We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career!

Want to find out more about us?

Visit [www.isaraerospace.com](http://www.isaraerospace.com/)

Disclaimer

Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.

## About Isar Aerospace SE

## Company Overview
- **One-liner**: Isar Aerospace is a German launch service provider developing the Spectrum two-stage liquid‑fueled rocket to offer cost‑effective, flexible access to space for small and medium satellites and constellations.
- **Entity Type**: Private (Series C extension, total funding >€500 million)
- **Headquarters**: Ottobrunn (near Munich), Germany
- **Founded**: March 2018
- **Founders**: Daniel Metzler, Markus Brandl, Josef Peter Fleischmann

## Core Business
- **Primary industry**: Aerospace / Space Launch Services
- **Target customers**: B2B – satellite operators (small‑sat & constellation), government agencies, defense organizations
- **Mission / purpose**: *“Opening space for future generations”* – enabling scalable, sovereign access to space to drive progress and sustainable technological development.

## Products & Services
- **Spectrum (Launch Vehicle)**: A high‑performance, two‑stage, liquid‑fueled rocket designed to deliver up to 1,000 kg to low Earth orbit. Available in three service models:
  - **Dedicated**: Fly alone with full control over orbit and launch date.
  - **Rideshare**: Share a flight to a predetermined orbit for lower cost.
  - **Performance**: Customizable launch configurations for specific mission needs.
- **In‑house Manufacturing**: Over 80% of the rocket is produced internally, leveraging additive manufacturing (3D printing), carbon composite materials, and highly automated production lines for scalability and quality.

## Market Standing
- **Valuation / Market Cap**: Not publicly disclosed
- **Key Metric (Funding)**: Total private capital raised exceeds **€500 million** (latest round: €270 million secured in June 2026 to expand sovereign space capabilities). [isaraerospace.com](https://www.isaraerospace.com/)
- **Notable Investors**: 7‑Industries Holding, Bayern Kapital, Lombard Odier, NATO Innovation Fund, Earlybird, Airbus Ventures, Lakestar, HV Capital, Porsche SE, Ann‑Kristin and Paul Achleitner.
- **Growth Signals**:
  - **400+ employees** from nearly 50 nations (2024–2026). [isaraerospace.com](https://www.isaraerospace.com/)
  - Second test flight of Spectrum *(“Onward and Upward”)* scheduled for 2026 after the first test flight in March 2025.
  - Partnered with **Andøya Space** (Norway, 20‑year lease), **CNES** (first private launch from Guiana Space Centre), **Exotrail** (multiple launch services), **Maritime Launch Services** (Nova Scotia spaceport), and **TKMS** (Canadian Patrol Submarine Project).
  - Awarded the **European Commission EIC Horizon Prize** “Low‑Cost Space Launch” (€10 million grant).
  - First active debris removal mission with **Astroscale**.

## Competitive Advantages
- **Vertical integration**: 80%+ in‑house rocket production provides maximum control, speed, and cost efficiency.
- **Advanced manufacturing**: Automated production, additive manufacturing, and carbon composite technologies enable rapid scaling.
- **Data‑driven approach**: Real‑time analytics throughout design, manufacturing, and launch operations reduce risk.
- **First fully private European launch solution**: Sovereign access to space for European customers, independent of traditional government programs.
- **Launch site diversity**: Access to multiple spaceports (Norway, French Guiana, Canada) offers flexibility and resilience.

## Strategic Focus
- **Scaling production** to meet growing demand for small/medium satellite launches and constellations.
- **Expanding sovereign space capabilities** for European and allied nations (defense, communications, Earth observation).
- **Opening new launch sites** (Nova Scotia, Canada) and extending partnerships with space agencies and commercial operators.
- **Sustainability**: Minimizing environmental impact through efficient manufacturing and launch operations.
- **Debris removal** (Astroscale partnership) to support a cleaner orbital environment.

## Why Work Here
- **International, fast‑paced environment** – Employees from nearly 50 nations, headquartered in Munich with offices/locations in Kiruna (Sweden) and Andøya (Norway).
- **Culture of innovation** – Guided by six principles: Teamwork, Respect, Focus, Positivity, Performance, and Leadership.
- **Mission‑driven work** – The company explicitly positions itself as disrupting the space industry, offering a “once‑in‑a‑lifetime opportunity” to shape the future of European space.
- **Hiring process** – 3‑step process (Apply → Interview → Decision), typically 2–4 weeks response time. Practical assignments may be part of the interview for some roles. Applications accepted in English or German.
- **Work style**: Likely on‑site at their engineering and production facilities in Ottobrunn, with site visits to launch pads. No explicit remote/hybrid policy found, but the company emphasizes “be proactive and agile” and “contribute excellence.”
- **Perks & benefits**: Not detailed on website, but the company highlights “work equals passion” and a strong sense of purpose.

## Sources
1. [Isar Aerospace Official Website](https://www.isaraerospace.com/) – products, mission, career page, funding announcements  
2. [Isar Aerospace Wikipedia](https://en.wikipedia.org/wiki/Isar_Aerospace) – founding, funding rounds, test launches, partnerships  
3. [Isar Aerospace LinkedIn](https://www.linkedin.com/company/isaraerospace/) – employee count, company updates

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