Fluid Systems / Process Design Engineer

Isar Aerospace

Mission Brief  We deliver the half of the rocket that stays on the ground. As a Senior Fluid Systems Design Engineer at the Ground Systems department of Isar Aerospace, you deliver the ground fluid infrastructure required for safe, reliable, and rapid test and launch of the Spectrum rocket. This includes test-rigs for development, qualification, and acceptance of launch vehicle and propulsion systems as well as entire launch bases. You work hand-in-hand with Propulsion and Launch Vehicle development teams to translate their requirements into functional designs and concepts of operations. You tackle complex engineering challenges across multiple projects and phases – from concept to detail design, execution, commissioning, and handover to site owner and operator.       Your Role in Our Space Mission:  * Design fluid systems for test and launch facilities, including rocket engine test-rigs, structure pressurization test-rigs, integrated stage testing rigs, launch pads, etc.  * Perform sizing calculations and/or numerical simulations for fluid systems, including cryogenic propellants storage, conditioning, and distribution systems, high-pressure gas distribution and pressurization systems, etc.  * Select and procure suitable fluid hardware, including tanks, pumps, heat-exchangers, valves, pressure regulators, safety-valves, instrumentation, etc.  * Prepare technical documentation, such as PFDs and P&IDs, hardware lists, datasheets, etc. that serve as a basis for manufacturing planning and execution  * Lead and contribute to system design reviews and risk assessments, ensuring safety, reliability, and compliance  * Act as a technical point of contact and subject matter expert for the projects and operations teams, consulting on fluid system questions and decisions  * Mentor junior and mid-level engineers and contribute to structuring and expanding knowledge in the team with guidelines, checklists, processes, presentations, etc.  * Depending on interest and experience:  * Lead or support factory and site acceptance tests for fluid systems  * Lead or participate in commissioning planning and hands-on site operations   * Support test and launch campaigns on-site or remotely with operations or data analyses.    Qualification Checklist  Education and Experience:  * B.Sc. or M.Sc. degree in process/energy/chemical/aerospace/mechanical engineering or an equivalent qualification  * At least 5 years of relevant professional experience in aerospace, oil & gas, energy, chemical industry, engineering service provider or similar  * In-depth experience in the design and/or operation of high-pressure gas and cryogenic liquid systems, ideally, in the context of rocket testing and launching facilities  * Experience with design and safety analyses and reviews, including HAZOPs  Hard Skills:  * Expert knowledge of fluid mechanics and thermodynamics and their application to real hardware like valves, regulators, etc.  * Strong analytical skills and able to apply theoretical knowledge to find practical solutions to complex fluid mechanic and/or thermodynamic engineering problems  * In-depth knowledge of industry standards and technical regulations which are common in plant engineering (e.g. ASME, ISO, DIN EN, PED, AD2000, ATEX)   * Modeling and simulation of fluid systems by means of software such as EcosimPro, Python/Matlab scripts, and Excel sheets  Soft Skills:  * Adjusting self-sufficiently and quickly to a changing work environment, supporting the team  * Highly organized, effective team player with high attention to detail  * Proactive, open, effective, and constructive communication also in stressful situations  * Can-do attitude and desire to go out of your way to help others  * Available for occasional international travel to our test and launch sites  Language  * Fluent in English    Bonus Skills  * Hands-on experience with fluid systems, e.g., assembly of piping systems, participating in commissioning or testing operations, etc.    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! Want to find out more about us? Visit 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.   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.

Isar Aerospace

Mission Brief We deliver the half of the rocket that stays on the ground. As Senior Specialist, you will be responsible for end-to-end safety & compliance of the company’s ground infrastructure systems according to location and system specific standards. This includes direct and indirect technical involvement in safety & risk assessment processes, as well as component selection and safety system implementations. You are acting as technical lead, also serving in an interfacing function between the different ground system disciplines i.e. fluid, control and mechanical systems. Your Role in Our Space Mission: * Own and drive safety and compliance activities for all ground infrastructure systems, ensuring adherence to site‑specific, national, and international standards * Drive HAZOPs, risk assessments, and safety reviews across multiple projects, ensuring risks are identified, documented, and mitigated effectively * Guide the design, selection, and validation of safety‑critical components, including safety valves, instrumentation, and protective systems and safety PLC-based architectures * Define safety processes, documentation standards, and best practices, ensuring consistent application across all ground systems projects * Collaborate closely with engineering, operations, and project teams to ensure safety considerations are integrated early and consistently throughout the project lifecycle * Set clear priorities, technical goals, and expectations aligned with product and business needs * Ensure safety deliverables are planned, tracked, and delivered across project phases Qualification Checklist * A degree in mechanical, industrial, chemical, aerospace engineering or similar * More than 8 years of extensive experience in the areas of process safety, plant & environmental safety and ideally knowledge in explosion protection as well as fire & gas protection * Clear track-record of decision-making experience and managing interfaces with external suppliers, certification bodies and authorities * Deep understanding of safety engineering principles, including HAZOP, FMEA, and risk assessment methodologies in highly regulated industries (aerospace, energy, chemical, oil & gas) * Deep experience with safety standards (e.g., IEC 61508/61511, ISO 13849, SIL/PL classifications) * Deep understanding of safety‑critical components (valves, sensors, interlocks, pressure systems, etc.) * High level of ownership and accountability as well as outstanding communication skills * Fluent in English Bonus Skills * Experience with CE marking, ATEX, UL, or comparable certification frameworks * Knowledge of cryogenic systems, high-pressure systems, or hazardous fluid handling 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! Want to find out more about us? Visit 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.   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.

European Spallation Source ERIC

The European Spallation Source (ESS) will soon be the world’s most powerful source of neutrons, providing researchers with unique opportunities to explore the structure of materials at the atomic level. Neutron scattering at ESS will address critical questions in physics, chemistry, geology, materials science and life science.  About the Role:  ESS is at an exciting turning point, transitioning from a construction site to an operating facility. To help us achieve our goal of becoming the world’s most powerful neutron source, we are seeking a Process Engineer for the Plant & Process Engineering Function, part of the Design & Engineering Division.  The team is responsible for maintaining state-of-the-art process activities across ESS. The group will first specify and design process systems such as cooling systems, instrument air and deionized water distribution, in accordance with PED, European harmonized codes, ESS rules and AFS regulations. They will then design the associated piping systems and mechanical supports to prepare for manufacturing, purchasing and installation phases. Finally, the group will help finalize the as-built documentation. Additional tasks include configuring and supporting the AVEVA tool suite, providing engineering review support, and offering technical advice.  Day-to-Day you will:  Perform system/project preliminary design based on design descriptions and requirements:   Prepare specifications and reports,  Review design projects,  Prepare for and present at preliminary design reviews.  Participate in critical process reviews,  Document design and group development:   Write and/or review process quality requirements,  Write and/or review processing licensing requirements,  Support standardization activities (components, best practices, and attributes),  Propose and implement improvements to procedures, best practices, and policies.  Follow up on post-design stages:   Support manufacturing phases,  Support installation and testing of equipment,  Support as-built activities,  Stay current with state-of-the-art technology.  This is a full-time/permanent position based at the brand new https://www.youtube.com/watch?v=d5h4bIEfM5Q. About you:  Required:  Higher vocational education or university degree in engineering (e.g. a bachelor’s degree), or an equivalent combination of education and experience,  Knowledge of components and system dimensioning for requirement and system/function descriptions,  Proficiency in the AVEVA tool suite,  Proficiency in written and spoken English.  Desirable:  Knowledge of normative constrained environments,  Knowledge of EN harmonized codes, preferably EN 13445 and EN 13480,  Knowledge of the Pressurized Equipment Directive (PED),  Knowledge of fluid distribution system installation.  We’re looking for someone who is self-motivated, has a problem-solving mindset, is structured, takes responsibility, and adheres to instructions and procedures.  To apply:  A career at ESS gives you the opportunity to contribute to the future discoveries within neutron science at a stunning, brand-new workplace filled with innovative minds and brilliant people from across the globe. We offer market competitive, individualised compensation which is differentiated according to role, responsibilities, individual skills, abilities and achievements as well as monthly pension contributions on top of your salary.  If you see yourself in what we’re looking for, please provide your CV and motivation letter in English by clicking on “apply” and following the instructions. Please be aware that we can only accept direct applications made via the ESS website, so submit your application as soon as you can. The last date for receiving applications is 2026-07-26.  For further information regarding the position, please contact Talent Acquisition Specialist Sofie Berg on mailto:sofie.berg@ess.eu or Hiring Manager Xavier Roy on mailto:xavier.roy@ess.eu Due to summer vacations questions will be answered after last application day, and first interviews will be conducted during week 34.   This role requires enhanced security screening processes which will be performed during the recruitment and onboarding processes. For more information regarding the ESS recruitment process in general, please follow this link: https://europeanspallationsource.se/careers   For trade union information, please contact Unionen representative Nerusha Naicker on mailto:Nerusha.Naicker@ess.eu or SACO/Swedish Association of Graduate Engineers representative Marc Kickulies at mailto:Marc.Kickulies@ess.eu