---
title: 'Fluid Systems Engineer, Propulsion (m/f/d) at Isar Aerospace SE'
canonical: 'https://feeny.ai/job/fluid-systems-engineer-propulsion-m-f-d-isar-aerospace-se-parsdorf-bavaria-xsc6w7e68byd'
type: 'job'
last_seen: '2026-10-24'
---

# Fluid Systems Engineer, Propulsion (m/f/d) at Isar Aerospace SE

- **Company:** Isar Aerospace SE
- **Location:** Parsdorf Bavaria, Germany
- **Posted:** 2026-10-21
- **Last confirmed live:** 2026-10-24
- **Apply:** https://job-boards.eu.greenhouse.io/isaraerospace/jobs/5012604101

## Job description

Mission Brief

As a Fluid Systems Engineer, you will develop, analyse, and validate the fluid systems that power and support our launch vehicle propulsion architecture. Working across the entire development lifecycle, you will transform requirements into robust hardware and system solutions, from concept and modelling through testing, qualification, and flight operations support.

Your Role in Our Space Mission:

- Define fluid system requirements, architectures, and interfaces in collaboration with cross-functional engineering teams.
- Develop and maintain analytical and simulation models to evaluate fluid system performance and operability.
- Design fluid system hardware and assemblies, including the creation of technical drawings and manufacturing documentation.
- Support component procurement, manufacturing, integration, and troubleshooting activities.
- Plan, execute, and evaluate component- and system-level test campaigns.
- Analyse test data, identify root causes of anomalies, and drive design improvements.
- Generate technical reports, specifications, and verification documentation.
- Ensure fluid system performance, reliability, and safety throughout the full product lifecycle.

Qualification Checklist

- M.Sc. or M.Eng. in Aerospace Engineering, Mechanical Engineering, or a related field.
- Strong fundamentals and practical experience in fluid dynamics, including the modelling and analysis of complex fluid systems, ideally in the context of rocket propulsion.
- Hands-on experience in test preparation, operation, and post-test data analysis and review.
- Experience with machining processes, drawing creation, and CAD software, preferably SolidWorks or Siemens NX.
- Proficiency in Python or similar programming languages for engineering applications and automation.
- Skilled in data analysis and the preparation of technical reports and engineering documentation.
- Proven engineering excellence, strong problem-solving abilities, and a passion for rocket propulsion and space.
- Strong communication and organisational skills, with the ability to manage competing priorities effectively.
- Ability to work both independently and within multidisciplinary teams.

Bonus Skills

- Proficiency in EcosimPro/ESPSS for fluid system simulation and analysis.
- Hands-on testing experience with fluid systems, including cryogenic fluids and oxygen compatibility.

## 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
- Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
- Subsidised lunch: Stay energised with delicious, subsidised lunches every day
- Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service
- Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
- Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
- Childcare allowance: Receive a childcare allowance for your non-school-age children
- Flexible mobility budget: Travel your way with a choice between a fully financed Deutschlandticket, JobRad bicycle leasing, FINN JobAuto, or a fuel allowance
- 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/)

Data Protection We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our [Privacy Policy](https://isaraerospace.com/privacy-policy).

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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