Senior Power Systems Engineer

ReOrbit is looking for a motivated and experienced Senior Power Systems Engineer to join our growing team and contribute to the development of our next generation of satellite communication platforms. As our new Senior Power Systems Engineer, you will play a key role in the evolution of our Small Satcom platform, working across the full development lifecycle—from mission analysis and subsystem architecture through design, development and AIT. You will work closely with systems, payload, propulsion, AIT and supplier teams to define and deliver robust power solutions for demanding space missions. It's an exciting chance to join a dynamic start-up, with the opportunity to make a real impact, to reach our goal of pushing the boundaries of space data transfer. This job can be based in our headquarter in Helsinki, Finland or Bengaluru, India. Responsibilities - Analyse mission requirements and define power needs across all mission phases, including payload and propulsion operational modes. - Define the Power Subsystem architecture based on mission analysis and system-level requirements. - Develop and maintain requirements and specifications for the Power Subsystem, PCDU, Battery Unit, Solar Arrays and SADA. - Work closely with suppliers and internal engineering teams to ensure effective subsystem development and integration. - Coordinate technical interactions with Battery, Solar Array, PCDU and SADA providers. - Prepare and review technical documentation based on system architecture, analysis and unit-level specifications. - Lead and support Power Subsystem AIT activities in line with the defined architecture. - Define and support the development and acceptance of EGSE for Power Subsystem AIT. - Contribute to technical reviews, design decisions and change activities throughout the development lifecycle. Skills and Requirements - Bachelor’s or Master’s degree in electrical engineering, aerospace engineering or a related field, with a minimum of 10 years of relevant experience in power systems engineering. - Significant professional experience in the GEO space industry, preferably working on large satellite platforms. - Strong understanding of the full lifecycle of satellite power systems, from requirements and architecture through design, development, verification and AIT. - Strong analytical skills, with the ability to analyse technical data, derive conclusions and make sound engineering decisions. - Experience reviewing, managing and approving technical documentation, requirements and engineering changes. - Comfortable working cross-functionally with systems, payload, propulsion, AIT and other engineering teams. - Experience working with external suppliers, vendors and consortium partners. - Clear and effective technical communication and documentation skills in English, both written and spoken. - Ability to work independently while contributing effectively to a multidisciplinary engineering team. What does ReOrbit do? ReOrbit builds the foundation for the next generation of space applications by transforming satellites into truly intelligent, interconnected platforms, defined by software. Our satellite design philosophy revolves around the idea that satellites must network, communicate with each other and thus improve mission efficiency. How can this be achieved? Thanks to a flexible software-first architecture, where all these aspects are dealt with upfront in the mission concept, as integrated functionalities. ReOrbit’s top-notch team of software engineers and system architects develop in-house software, procure hardware from the best-in-class suppliers, and seamlessly integrate the components to create flexible and secure satellites. Today, we are a rapidly growing company building a very strong multidisciplinary team to support our activities. We are headquartered in Helsinki, Finland with a subsidiaries in Bristol, UK, Bariloche, Argentina and Bengaluru, India. Working at ReOrbit At ReOrbit, we are focused on building a strong team as we believe nothing can be accomplished without innovative, humble and curious minds working together on a common goal. We’re all about fostering an inclusive, dynamic environment where equality and diversity are our strength. We offer - Challenging but rewarding environment – you will thrive if you are always reflecting on how to make things better. Your ideas will be heard. - Ambitious and supportive network of people, who are motivated to change the space industry, bringing expertise from both classic and new space. - Benefits such as lunch vouchers, events, parties, occupational health care and additional health insurance - but most importantly a possibility to be a part of a unique and diverse team, connected by similar mindset and sense of humor. - We like to spend time together! You can choose activities whichever is to your liking – runOrbit, climbOrbit; become ping pong or board games champion. - We support relocation and integration into Finnish society. Join us in our journey of building software enabled satellites for secure communications and, thus, creating the most compelling in space data flow company of the new space era. The Company may require a security clearance for certain positions. Any such security clearance will be conducted in accordance with applicable law and the Company's relevant policies. For agencies: We do not accept unsolicited CVs for our open vacancies. Any CV sent to our team unsolicited will reserve us the right to pursue a candidate without obligation to the sender. All candidate submissions must be conducted through our official channels and in accordance with our terms of engagement.