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(Junior) Proposal Engineer (m/f/d) at Isar Aerospace SE | Swiftcruit
Aerospace EngineeringSystems EngineeringTechnical ProposalsMission AnalysisCADLaunch Vehicle DesignSpacecraft Systems
Company Location
Ottobrunn, Bayern, Deutschland
Remote Work Policy
Onsite
Mission Brief
As a Proposal Engineer, you will be responsible for developing technically robust and commercially competitive proposals for commercial and institutional launch service programs.
Working within the Mission Engineering team and in close coordination with the Commercial team, you will lead and support launch service bid activities, ensuring proposals accurately reflect system capabilities, constraints, and the development roadmap. Your work will include technical analyses, structured proposal documentation, and direct participation in customer‑facing technical exchanges.
This role provides direct exposure to both the technical and commercial aspects of launch service proposals, with a strong emphasis on structured engineering thinking, technical credibility, and clear communication.
Your Role in Our Space Mission
In this role, you will:
Develop customer‑facing technical proposal content, including mission concepts, system descriptions, trade‑offs, and compliance matrices.
Analyse customer, institutional, and program‑level requirements and translate them into clear, concise, and traceable technical responses, including documented assumptions, constraints, and exclusions.
Coordinate with Mission Engineering and relevant subject‑matter experts to generate technically credible and internally aligned proposal inputs.
Translate complex technical concepts into clear, structured proposal material suitable for both customers and non‑technical stakeholders.
Contribute to bid / no‑bid decisions by assessing technical feasibility, compliance status, schedule drivers, and key technical risks.
Act as a technical point of contact for customer technical exchanges, clarification calls, and written Q&A activities throughout the bid phase.
Define and refine technical Statements of Work (SoWs) and associated deliverables, and support technical clarification activities during early contract development.
Translate customer and contractual requirements into well‑defined inputs for internal development and engineering teams during proposal and contract handover phases.
Contribute, where appropriate, to mission engineering analysis or development activities that strengthen proposal assumptions, reference missions, and overall technical credibility.
Consolidate customer feedback and market inputs to support the evolution of future launch service offerings.
Participate in customer meetings alongside commercial leads, building confidence through technically sound contributions and consistent technical messaging.
Qualification Checklist
Degree in Aerospace Engineering, Systems Engineering, or a related technical discipline.
3–5 years of experience in one or more of the following areas: spacecraft or launch vehicle design, systems engineering, technical sales, or similar technical roles.
Strong written and oral communication skills for technical topics, including customer-facing documentation and proposals. Ability to communicate technical topics clearly in both written and oral form.
Strong written communication skills for structured, customer‑facing technical documentation and proposals.
Prior exposure to customer‑facing engineering documentation, technical proposals, or feasibility studies.
Familiarity with ESA or other institutional space programs, including associated processes and documentation styles.
Ability to analyse technical and programmatic requirements and support the development of structured, traceable technical responses.
Solid understanding of space missions, spacecraft systems, or launch vehicle capabilities.
Experience with CAD design and / or mission analysis for spacecraft.
Fluent written and spoken English.
Bonus Skills
Additional languages: Italian and/or Spanish.
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
Public transport ticket: Commute with ease using a fully financed Deutschlandticket
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
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!
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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.
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