Mechanical Design Engineer

At Kepler Communications, we're not just imagining the future of connectivity - we're leading it! Our mission is to provide real-time Internet access in space, enabling a new era of data-driven exploration and innovation. With 23 satellites already launched and a next-generation optical network on the way, we’re creating the infrastructure that will power the space economy for decades to come. Technology is only part of the story. What sets Kepler apart is our team: bold thinkers, skilled builders, and passionate problem-solvers who thrive on pushing the boundaries ofwhat’spossible in space. We believe great ideas come from diverse perspectives, and we’re committed to creating an environment where you can grow, lead, and make a global impact. If you’re ready to reach higher, move faster, and do work that shapes the future space economy - this is your launchpad. Come build the future with Kepler! What We Offer:- Competitive compensationwith a robust equity plan to share in our success.- Comprehensive coverage for health, dental, and vision insurance—including dependents.- Unlimited vacation, supportive parental leave policy,and company-wide holiday shutdown.- Semi-annual company-wide partiesand frequent in-office team events.- Relocation packagesavailable for approved roles.- $1,500 annual professional development fundto support your growth.- Fully stocked Toronto office kitchenwith snacks, drinks, games and top-notch kitchen appliances.- Town Halls, Celebration Calls, and Company-wide eventsto stay connected and engaged.- We’re a certifiedGreat Place to Work®, four years in a row! Our mechanical team owns the development of Kepler’s physical systems, including the structural and thermal performance of spaceborne assets. We drive design solutions from concept to production for thermal controls, structures, and mechanisms for Kepler hardware including spacecraft and subsystems. Key Responsibilities: Develop mechanical solutions for spacecraft and satellite subsystems from initial concept through to flight qualificationDesign and evaluate thermal and structural solutions using robust simulation models, supported by appropriate analysis tools and calculationsDemonstrate and document margins of safety against system requirements (e.g. component temperature limits, vibration, static loading, thermal cycling)Create parts and assemblies, leveraging CAD tools to draft mechanical drawings for both production and interface controlWork closely with other cross-functional engineering teams (RF, electrical, systems, etc.) to develop full product solutionsDefine verification methods and success criteria, including plans to mitigate technical risks through both simulation and physical testingOwn prototype build and test to generate design feedback and correlate simulation modelsAct as peer or lead reviewer providing technical oversite or subject matter expertise on other active designs Required Skills & Qualifications: 7+ years of relevant mechanical design experienceBachelor's degree in mechanical engineering, mechatronics engineering, or equivalentStrong understanding of design principles for heat transfer, temperature control, statics, and dynamicsExperience in verifying designs through Finite Element Analysis and testingExperience with one or more CAD tools (Onshape, Creo, Solidworks, etc.)Understanding of Design for Manufacturing practicesStrong communication and documentation skills working in a multidisciplinary teamComfortable in an R&D lab environmentComfortable using basic hand and power tools Bonus Points: Experience using Simcenter 3D, Simcenter/NX NASTRAN, Simcenter 3D Space Systems Thermal, etc. Experience in spacecraft/satellite level thermal and structural analysis and qualificationFamiliarity with ESA ECSS or NASA thermal and structural standardsP. Eng. eligibility Additional Information Use of AI in RecruitmentAt Kepler Communications, all hiring decisions are made by people. Human recruiters are involved in every step of our recruitment process. We use AI-based tools (such as Lever AI and HireEZ) to assist with the initial review of applications by ranking candidates based on job-relevant criteria. These tools support - but do not replace - human judgment. Employment Equity & Accommodation StatementKepler Communications is an equal opportunity employer committed to building a diverse and inclusive workplace. We welcome applications from all qualified individuals, including women, Indigenous peoples, persons with disabilities, members of visible minorities, and people of all sexual orientations and gender identities. If you require accommodation during any stage of the recruitment process, please contact our People & Culture team at accommodation@kepler.space, and we will work with you to meet your needs. Apply to this Job