Senior Embedded Software Designer

At Kepler Communications, we're not just imagining the future of on-demand space connectivity - we're leading it!   Our mission is to provide real-time Internet access for space-based assets, enabling a new era of data-driven exploration and innovation. With 33 satellites launched to date, Kepler operates the first commercial optical data relay constellation, enabling real-time, continuous space communications while supporting advanced on-orbit compute and hosted payload capabilities.    Industry-leading 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 of what’s possible 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 compensation with 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 parties and frequent in-office team events.  * Relocation packages available for approved roles.  * $1,500 annual professional development fund to support your growth.  * Fully stocked Toronto office kitchen with snacks, drinks, games and top-notch kitchen appliances.  * Town Halls, Celebration Calls, and Company-wide events to stay connected and engaged.  * We’re a certified Great Place to Work®, five years in a row! We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet of spacecraft. You'll be relied upon for input and decisions that will directly impact design and operation. Salary Range: $159,288 - $209,288 CAD Actual total compensation will be determined at the Company’s discretion and is based on a variety of job-related factors, which may include, but are not limited to, relevant knowledge, skills, experience, performance, and education and/or training. The Company encourages all qualified applicants to apply, even if the posted salary range does not align with their expectations, as it does not reflect our total compensation package. Job Type: This is for a current vacancy Employment Equity & Accommodation Statement  Kepler 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.  country: CA all locations: [Toronto, Ontario United States United Kingdom] commitment: Full-time Regular department: Engineering location: Toronto, Ontario team: Software Key Responsibilities:: Design, develop, and maintain reliable, high-quality embedded software for both spacecraft and ground-based systems supporting a growing fleet of satellites  Design and implement secure communications capabilities, including encryption, authentication, and key exchange for next-generation data links  Build and maintain low-level software components including device drivers, kernel modules, hardware interfaces, and platform services  Develop automated tests, validation tools, and technical documentation to support robust software delivery and long-term maintainability  Participate in software architecture discussions, design reviews, and code reviews to ensure software quality and system reliability  Collaborate closely with cross-functional teams to define system requirements, debug complex issues, and evolve system architecture  Identify performance gaps, reliability risks, and architectural shortcomings in existing systems, and drive improvements across the software stack  Provide technical leadership, mentorship, and guidance to junior engineers while contributing to engineering best practices and development standards  Required Skills & Qualifications:: 3+ years of experience developing embedded software for complex, high-reliability systems   Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent practical experience   Strong software engineering fundamentals, including system design, debugging, testing, performance analysis, and maintainable code development   Proficiency in C/C++ for embedded systems, including concurrency, interrupt handling, memory-mapped peripherals, and hardware communication interfaces such as SPI, I2C, UART, and CAN   Experience developing software for embedded Linux and/or RTOS environments, including familiarity with build systems such as Yocto/OpenEmbedded and operating systems such as FreeRTOS   Experience developing low-level embedded Linux components including kernel modules, device drivers, and device tree integrations   Experience developing and maintaining automated test frameworks, validation tooling, or hardware/software integration test environments   Strong cross-functional collaboration and communication skills, with the ability to work effectively across software, hardware, and operations teams   Proficiency with modern software development workflows and tools, including Git-based version control and code review practices  Bonus Points:: Master's degree in Computer Science, Computer Engineering, or related field  Experience developing software for aerospace applications  Experience implementing embedded security solutions such as secure boot, hardware security modules (HSMs), certificate/key management, authentication, or encrypted communications  Familiarity with Linux networking concepts and infrastructure, including routing, interfaces, netlink, or packet-processing pipelines  Experience developing multi-stage bootloaders  Strong knowledge of computer networking and modern networking protocols  Experience with RTL (Verilog and/or VHDL) and embedded SoCs