Senior R&D Engineer - Mechatronics & Hardware

Senior R&D Engineer (Mechatronics & Hardware)Location: DarmstadtPosition Type: Full-timeAbout Focused EnergyFocused Energy stands at the forefront of innovation in laser-driven fusion technology, leading the charge towards the realization of clean, limitless energy. Our headquarters in Darmstadt, Germany, along with our presence in the San Francisco Bay Area…

Focused Energy is pioneering the development of fusion energy technology aimed at delivering limitless clean energy to meet the world's future requirements responsibly. By harnessing and commercializing laser-induced inertial fusion, we are on the cusp of a breakthrough in power generation that promises a secure and scalable energy future.We are in search of a talented Laser Diode Technology Engineer to take the lead on our Diode Advance Program. This initiative is a collaborative, multi-year research and development effort involving top-tier research institutions, semiconductor manufacturers, and industrial partners. You will blend hands-on technical expertise with program management to ensure that laboratory innovations translate into commercially viable solutions.Key Responsibilities:Oversee the Diode Advance Program from inception to completion, managing all aspects including scope, timelines, budgets, risks, and deliverables across various work packages, which encompass next-gen development, exploratory R&D, manufacturability validation, cost reduction strategies, and beam shaping enhancements.Act as the primary technical liaison with external research collaborators on diode bar advancements, managing both evolutionary performance enhancements and high-stakes exploratory concepts.Facilitate manufacturability assessments with multiple diode manufacturers; orchestrate distinct design review cycles to validate that R&D concepts can be produced at scale while ensuring confidentiality among competing manufacturers.Lead initiatives to reduce power supply and cooling system costs: collaborate with industrial partners to benchmark, redesign, and prototype enhanced driver electronics and cooling subsystems, and identify new partners.Contribute technical insights to the diode cost model, translating cost objectives into engineering specifications.Effectively communicate program progress, risks, and decisions to executive leadership and all stakeholders, both internal and external.Who You Are:Possess a Master’s degree (or higher) in Mechatronics, Electrical Engineering, Physics, Systems Engineering, or a related discipline.Bring at least 3 years of experience in systems engineering, product development, or technical project management within a multi-physics context (thermal, electrical, optical, mechanical).

vivenu develops event ticketing technology used by leading organizations in live entertainment, including the Grammys, Golden Globes, Stanford University, and Hockenheimring. The company’s API-first platform supports ticketing for over 10 million end users and handles more than 1 billion requests each month. With offices in Darmstadt, Frankfurt, and other locations worldwide, vivenu provides event organizers with tools to manage their brand experience, access detailed data insights, and integrate ticketing into digital systems. The platform is designed to be customizable and intuitive, supporting complex ticketing needs for global clients. vivenu’s infrastructure is built for scale and reliability, enabling clients to deliver strong experiences and drive growth. Backed by over $65 million in funding, the company continues to expand its reach in the live entertainment sector. Role overview The Senior Application Security Engineer (d/f/m) will join vivenu’s team in Darmstadt or Frankfurt. This role focuses on strengthening the security of a high-traffic, API-driven ticketing platform that supports millions of users worldwide.

Shape the Future of Live Entertainment TechnologyAt vivenu, we are at the forefront of revolutionizing event ticketing technology, serving prestigious global events such as the Grammys, the Golden Globes, Stanford University, and the Hockenheimring. Our innovative platform, supported by over $65 million in funding, transforms ticketing from a simple transaction into a strategic advantage, empowering event organizers to enhance their brand experience, gain valuable data insights, and integrate ticketing seamlessly into their digital ecosystems.With six offices around the globe and a commitment to growth, we offer a customizable, user-friendly solution paired with industry-leading support to tackle even the most complex ticketing challenges. Join us and help deliver exceptional experiences while driving real growth in the live entertainment sector.With a user base exceeding 10 million and a usage rate that quadruples annually, our infrastructure currently processes over 1 billion requests each month. Our API-first platform addresses complex system challenges at scale, ensuring performance, flexibility, and reliability for leading brands in live entertainment.

Focused Energy is an innovative startup dedicated to revolutionizing the energy sector through the development of fusion energy technology. Our mission is to produce limitless clean energy, addressing the future global demand responsibly. By harnessing the power of laser-induced inertial fusion, we are on the verge of realizing a clean, efficient, and scalable energy solution that promises a secure energy future.We are looking for a highly skilled and motivated Senior Electrical Engineer to join our dynamic team. In this pivotal role, you will take ownership of electrical design throughout its entire engineering lifecycle—from initial architecture to design, integration, commissioning, and operational readiness. Your contributions will facilitate the transition from experimental physics to a reliable, industrial-grade fusion energy infrastructure.This position requires a comprehensive understanding of electrical engineering principles, where you will mentor junior engineers and ensure high standards in electrical design, installation, and integration across all projects. As a key technical resource in the electrical domain, you will collaborate closely with controls, mechanical, and facilities teams to deliver robust, safe, and well-structured systems.

Join Focused EnergyAt Focused Energy, we are at the forefront of innovation with our NeoLyte technology—a compact, laser-driven radiation source (LDRS) utilizing MeV X-rays and fast neutrons for cutting-edge, non-destructive inspection. Our advanced laser systems facilitate breakthroughs in areas such as nuclear waste analysis, contraband detection, infrastructure inspection, and medical isotope production. As we establish our first pilot facility in Biblis, Germany, we invite you to be part of our journey in shaping this transformative deep-tech venture!Role OverviewIn your role as a Machine Layout Engineer within the Systems Engineering Department (LDRS Source Light), based in Darmstadt, you will take ownership of layout engineering for the LDRS product line at the system level. You will work collaboratively across multiple disciplines—mechanical design, facility engineering, systems engineering, and operations—to integrate customer and internal requirements, delivering robust and scalable system solutions that align with technical, regulatory, and operational standards.Key ResponsibilitiesSystem-level Layout Ownership: Define and manage comprehensive system-level layout aspects including volume breakdowns, footprint, tolerance, dimensions (move-in), mass, mechanical installation, module breakdown, and interfaces. Work closely with customers and suppliers to refine product requirements and translate them into detailed system specifications.Baselines, Change, and Configuration: Establish and uphold functional and physical layout baselines. Develop a system-level verification and validation strategy, drive milestones, and conduct design reviews focused on layout maturity. Oversee configuration control and assess the impact of changes on layout-related systems.Installation, Build, and Integration Lifecycle: Create and manage the complete installation and move-in sequence. Ensure compliance of system designs with safety regulations and facility standards, accommodating service and access needs, including maintenance corridors, ergonomic handling, and replacement strategies.Interface Leadership and Integration Control: Define, document, and govern mechanical interfaces between modules and between system and facility. Maintain a tolerance budget and provide integration leadership to ensure alignment across various disciplines (mechanical, laser, vacuum, controls, safety), while ensuring CAD/PLM data consistency with functional and physical baselines.Bridge R&D to Industrialization: Effectively translate layouts into production-ready designs, ensuring that all engineering and operational requirements are met.

About Focused EnergyFocused Energy is at the forefront of innovation with NeoLyte, our groundbreaking initiative that pioneers compact, laser-driven radiation sources (LDRS). By leveraging high-power laser technology, our dual-mode systems generate MeV X-rays and fast neutrons within a single, modular framework, facilitating real-time, non-destructive inspection of diverse materials, including complex and shielded items. NeoLyte's technology provides solutions to vital issues in nuclear waste analysis, contraband detection, infrastructure evaluation, and medical isotope production. Our unique blend of resolution, material specificity, and deployment versatility allows us to explore opportunities beyond conventional limitations. Our multi-disciplinary team comprises specialists in laser and plasma physics, engineering, and artificial intelligence. We are currently establishing our first pilot facility in Biblis, Germany, and are focused on achieving market readiness and commercial deployment shortly. Join us in shaping this transformative deep-tech venture from inception!Role PurposeAs the Lead Mechanical Engineer, you will be the technical authority and competence leader for Mechanical Engineering at SourceLight. Your role will involve developing, maintaining, and scaling mechanical engineering capabilities to guarantee consistent quality, robust methodologies, and long-term technical viability across all LDRS products and development stages.In this position, you will oversee intricate mechanical architectures and pivotal system-level decisions, while establishing standards, best practices, design principles, and providing technical mentorship to empower the engineering team to operate effectively and at a high professional standard.Key ResponsibilitiesMechanical Engineering Competence DevelopmentDevelop and enhance competence frameworks, standards, guidelines, CAD and drawing conventions, validation techniques, and serve as the technical escalation point.Lead the recruitment, onboarding, and skill enhancement of engineers; ensure a consistent output of high-quality work.Technical Leadership & Design AuthorityDirect system-level mechanical architectures, craft complex concepts, promote risk mitigation and scalability, and ensure adherence to regulatory standards.Mentoring & Technical CoachingGuide junior and mid-level engineers, provide technical direction, and cultivate a culture of engineering rigor and continuous improvement.Cross-Disciplinary Integration

Company OverviewFocused Energy stands at the forefront of laser-driven fusion technology, championing the most viable approach to achieve clean, unlimited fusion power. With operations in Darmstadt, Germany, and the San Francisco Bay Area, we bring together elite scientists and engineers to realize commercially feasible fusion energy using established technologies. Our mission is to propel economic growth and scientific advancement through the widespread implementation of sustainable fusion energy.Role OverviewAs the Section Leader for Mechanical Engineering (f/m/d), you will serve as both the technical expert and people manager, ensuring mechanical engineering excellence throughout all Focused Energy initiatives. Your responsibilities will include structuring, governing, and progressively enhancing mechanical engineering practices to align with the company's technical roadmap, which includes everything from laboratory systems to First-of-a-Kind (FOAK) plant development.This position emphasizes technical leadership and capability development rather than project management. You will lead the mechanical engineering team, establish and uphold standards, promote technical quality, and provide mechanical expertise across various projects in a collaborative engineering environment.Key Responsibilities1. Discipline Leadership & GovernanceDefine and uphold mechanical engineering standards, design methodologies, and technical governance.Create design review frameworks (PDR, CDR, FDR) for mechanical systems.Ensure adherence to pertinent standards (EN, ISO, pressure equipment, vacuum systems, structural design, etc.).Supervise mechanical engineering design assurance and technical approval processes.Collaborate with Systems Engineering to develop structured documentation and evidence management.2. Cross-Project Engineering SupportProvide mechanical engineering expertise across a diverse range of systems, including laser integration, vacuum chambers, cleanroom facilities, target tracking, reactor and chamber development, tritium management, high-energy systems, and FOAK plant scaling.Ensure uniformity in mechanical design principles across all projects and locations.

About cosmosAt cosmos, we are revolutionizing the way organizations align their strategic goals with operational realities. Our mission is to transform conventional strategy into a dynamic, real-time control system that enables decision-makers to visualize the impact of their actions as conditions evolve.Unlike typical project management tools, cosmos™ serves as the backbone of organizational thinking, decision-making, and execution, bridging the gap between strategic planning and real-world implementation.The RoleJoin a compact yet powerful engineering team where your contributions directly impact our customers by solving critical strategic challenges. You will be responsible for developing essential features of the cosmos product, overseeing the entire process from concept to customer delivery, while enhancing the technical prowess of your peers.We value problem solvers who embrace ownership and responsibility, and who elevate the standards of their colleagues. Your work will play a key role in our overarching goal to operationalize strategy.What You Will DoDevelop vital product functionalities using high-quality, maintainable code with our technology stack: Typescript, React, PHP, Symfony.Take ownership of features from initial design and implementation to deployment, monitoring, and adapting based on user feedback.Lead architectural discussions that align immediate project needs with long-term scalability and maintainability goals.Address technical challenges, debug production issues, assess performance concerns, and make informed architectural choices balancing speed with maintainability.Conduct code reviews, implement best practices, and promote continuous integration and automated testing within the team.Mentor colleagues in AI integration and coding best practices.Collaborate with cross-functional teams, including product management, design, and engineering, to deliver integrated solutions that address genuine customer needs.About You5+ years of software engineering experience with proven technical expertise.You work independently while also thriving in team environments.Proficient in modern software development practices and tools.

About Focused EnergyFocused Energy is at the forefront of innovation with its revolutionary project, NeoLyte. We are pioneering compact, laser-driven radiation sources (LDRS) that integrate high-power laser technology to produce dual-mode sources emitting both MeV X-rays and fast neutrons. This modular platform facilitates real-time, non-destructive material inspection, even for complex or shielded items. NeoLyte addresses pressing issues in nuclear waste analysis, contraband detection, infrastructure inspection, and medical isotope production. Our unique technology combines high resolution, material specificity, and operational flexibility, unlocking potential far beyond traditional systems. Join our diverse team of laser and plasma physicists, engineers, and AI specialists as we establish our first pilot facility in Biblis, Germany, and drive towards market readiness and commercial deployment. As a Senior Optical Engineer, you will be instrumental in conceptualizing and implementing the optical systems vital to our product roadmap, leading projects, and collaborating across disciplines to develop cutting-edge optical solutions from concept to production.

Join our dynamic team at publiccloudgroup as a Senior SAP BTP Consultant (m/w/d). In this role, you will leverage your expertise in SAP Business Technology Platform to deliver innovative solutions that drive business transformation. Collaborate with cross-functional teams to analyze client needs, design effective strategies, and implement high-quality SAP solutions in a remote or hybrid work environment.

Join our innovative team at Sopra Steria as a Flight Dynamics Engineer. In this role, you will be tasked with designing, analyzing, and optimizing flight dynamics systems, ensuring the highest performance and safety standards. You will collaborate closely with cross-functional teams while utilizing state-of-the-art simulation tools to drive advancements in aerospace technology.

Focused Energy is an innovative fusion energy startup dedicated to harnessing the potential of clean, sustainable energy to meet the growing global demand. By commercializing laser-induced inertial fusion, we are on the cusp of deploying a powerful, eco-friendly technology that promises to secure and scale our future energy supply.We are looking for a passionate and talented Diode Laser Engineer to join our team. In this role, you will be instrumental in designing, qualifying, and scaling high-power diode laser technologies that will drive our next-generation fusion laser systems. You will collaborate across the domains of physics, engineering, and industrialization, working closely with suppliers, research institutions, and internal teams to enhance the performance, reliability, and manufacturability of our laser diode technologies.

Focused Energy is an innovative fusion energy startup dedicated to creating limitless clean energy solutions to meet the growing global demand responsibly. We are pioneering the commercialization of laser-induced inertial fusion technology, which offers a clean and highly efficient approach to power generation, ensuring a secure and scalable energy future.We invite a talented and motivated Laser System Engineer to join our dynamic team and contribute to the future of energy. In this position, you will take charge of the laser driver system throughout its complete engineering lifecycle—from initial architecture to design, integration, commissioning, and operational readiness—transforming it from a research and development platform into a robust, industrial-grade system for fusion power generation. Your expertise will be crucial in facilitating the shift from experimental physics to a functional fusion energy infrastructure.Key Responsibilities:Oversee the system lifecycle: Lead the laser system through its established lifecycle phases, supporting formal design and readiness reviews (requirements, preliminary and advanced design, integration, and operational readiness), and ensuring alignment between the physics intent, engineering execution, and delivery milestones.Establish and manage system requirements: Define and maintain system-level requirements (energy, pulse shape, repetition rate, efficiency, reliability, and longevity), ensuring traceability to subsystem requirements, verification methods, and acceptance criteria.Verification and validation ownership: Develop the system-level verification and validation strategy, ensuring all requirements are demonstrably satisfied through thorough analysis, testing, and commissioning at the component, subsystem, and system levels.Interface management and integration: Act as the technical authority for laser system interfaces, defining and managing the boundaries between optical modules, control and timing systems, safety measures, facility infrastructure (power, cooling, space, services), and external partner deliverables to guarantee seamless and predictable integration.

About the Role Sopra Steria is hiring a System Operations Engineer for the MTG team in Darmstadt. This position focuses on maintaining and managing systems that support client operations. The role involves close collaboration with colleagues from different disciplines to keep systems reliable and performing well. What You Will Do Monitor and manage system operations to ensure stability and uptime Provide support for client systems, addressing incidents and troubleshooting issues Work with cross-functional teams to improve system performance and reliability Handle complex technical challenges as they arise Who Will Succeed Technically skilled professionals with a strong interest in system operations Those who enjoy problem-solving and working with others to resolve technical issues Individuals comfortable in a setting where priorities can shift and new challenges appear Location: Darmstadt

Join Focused Energy as a Mechanical EngineerAt Focused Energy, we are at the forefront of transforming the future through laser-driven nuclear fusion technology. Our innovative Laser-Driven Radiation Source (LDRS) is a cutting-edge, compact neutron system that leverages advanced laser-plasma physics to revolutionize non-destructive testing. This technology is not only pivotal for safe nuclear waste management but also enhances security measures and supports the global energy transition. By becoming a part of our pioneering team, you will contribute to bringing these advanced radiation technologies to market readiness.As a Mechanical Engineer, you will play a vital role in our product development team, spearheading the design, integration, and prototyping of essential hardware systems. Your collaborative efforts across various disciplines will ensure the delivery of robust and scalable mechanical solutions that adhere to technical, regulatory, and operational standards.

Focused Energy is an innovative fusion energy startup dedicated to generating limitless clean energy to responsibly address future global demand. Our approach harnesses the potential of laser-induced inertial fusion, a cutting-edge power generation technology that promises a secure and scalable energy supply for the future.We are on the lookout for a talented and motivated Optical Engineer to lead the design, analysis, and realization of next-generation high-energy and high-average-power laser systems pivotal to Focused Energy’s fusion initiatives. In this role, you will transform advanced optical concepts into robust, manufacturable, and operational experimental and production laser systems.Your contributions will be crucial in enhancing the performance, stability, and scalability of our fusion laser infrastructure, ensuring that optical designs meet stringent power, precision, and reliability standards while remaining feasible to construct, integrate, and operate.

Focused Energy is a pioneering fusion energy startup dedicated to harnessing unlimited clean energy to responsibly fulfill the world's future energy needs. By leveraging the groundbreaking technology of laser-induced inertial fusion, we are on the verge of developing a clean and highly efficient power generation solution that promises a secure and scalable energy future.We are on the lookout for a talented Laser Engineer/Scientist to join our innovative laser development team. In this pivotal role, you will contribute to the research, conceptualization, design, analysis, construction, and characterization of cutting-edge high-energy laser systems and their components.Key Responsibilities:Conduct Research and Development: Collaborate in researching and developing novel concepts for advanced high-energy laser systems.System Design: Assist in the design and analysis of laser systems and sub-systems, ensuring adherence to top performance and reliability standards.Construction and Characterization: Construct laser systems and perform comprehensive characterization to evaluate their performance and pinpoint areas for enhancement.Productization and Commercialization: Play a vital role in transitioning scientific prototypes into industry-grade systems ready for mass production and commercial deployment.Pumping Technologies: Create systems that utilize both flash-lamp and diode pumping techniques.Energy and Power: Design and refine systems ranging from low-energy, low-average power sub-systems to high-performance multi-kilojoule (kJ) and multi-kilowatt (kW) laser systems.Laser Amplification: Implement advanced amplification techniques to boost the power and quality of laser outputs.Optical Parametric Amplification: Employ nonlinear optical methods to amplify light and achieve target wavelengths.Frequency Conversion: Design systems to convert laser frequencies according to specific application requirements.Thermal Management: Develop effective thermal management strategies for high average power laser systems.

Join our dynamic team as a Ground Segment System Engineer where you will play a pivotal role in managing and contributing to various programmatic activities. Your expertise will guide engineering efforts throughout the requirements definition and early design phases, providing direct implementation support or follow-up assistance to EUMETSAT teams. Additionally, you will be involved in the detail design and build-up phases, ensuring seamless integration and verification activities.Your responsibilities will also include:Developing AIV plans and defining test scenarios, specifications, and procedures.Coordinating and executing integration activities.Implementing verification activities and contributing to validation efforts.

Sopra Steria is seeking a Spacecraft Operations Engineer in Darmstadt to work with satellites in Low Earth Orbit (LEO) and Geostationary Orbit (GEO). This role centers on supporting mission operations and maintaining the performance and reliability of advanced spacecraft. Key responsibilities Monitor and control satellite systems operating in both LEO and GEO environments Collaborate with a team of specialists to achieve mission goals Troubleshoot anomalies and resolve technical issues affecting satellite operations Apply and follow established operational procedures to support ongoing missions This position offers the chance to contribute to the success of satellite missions and work alongside experienced professionals in the field.