Senior Software Engineer, Networks

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!

• 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 are seeking a Network Solutions Architect who blends embedded software expertise, networking knowledge, and customer‑facing skills. This unique hybrid role combines hands‑on development in embedded and networking software with solutions architecture. You’ll design and implement advanced network features for use on‑orbit and on‑ground, while also engaging with customers to shape future requirements and solutions.

• Network Design (:20%)
• Define and review networking and embedded software designs for active programs.
• Translate mission and customer needs into wholistic networking solutions.
• Provide technical leadership bridging customer goals, embedded systems design, and network software integration.

• Develop and maintain embedded software on Peta Linux and Yocto‑based platforms.
• Implement and optimize routing protocols using FRR in embedded environments.
• Design and extend P4‑based programmable data plane solutions for satellite and ground networking.
• Write efficient, reliable C/C++ and Python code for embedded systems, networking, and automation.
• Develop build/test infrastructure, simulators, and diagnostic tools to validate designs in CI/CD environments.

• Support the Business Development team by presenting technical solutions to customers and partners.
• Contribute to proposal writing, technical documentation, and system trade studies.
• Participate in customer meetings to refine requirements and build confidence in Kepler’s solutions.

• Bachelor’s degree in Computer Science, Computer Engineering, or related discipline.
• 6+ years of relevant experience in embedded software and networking development, with at least 1 year in a senior or lead capacity.
• Strong embedded Linux development experience (Peta Linux, Yocto).
• Hands‑on experience with FRR (Free Range Routing) and networking protocols (BGP, OSPF, MPLS, ISIS).
• Proficiency in C/C++ for embedded systems; strong Python skills for tooling and automation.
• Familiarity with P4 language for programmable networking pipelines.
• Excellent communication skills for engaging with both engineering teams and external stakeholders.

• Master’s or PhD in a relevant field.
• Experience developing software for aerospace or space‑based applications.
• Kernel‑level Linux development experience.
• Experience with containerization (Docker, Kubernetes) and…