Senior Flight Software Designer (6+ month Contract)

At Kepler Communications, were not just imagining the future of on-demand space connectivity -

were leading it!

Our mission is to provide real-time on-orbit connectivity for critical missions, enabling a new era of data-driven intelligence 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.

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.
* $Fully stocked Toronto office kitchen

with snacks, drinks, games and top-notch kitchen appliances.
* We’re on the hunt for a top-tier

Flight Software Engineer

for a 6+ month contract. Your focus will be on the development and maintenance of flight software and embedded Linux software for both space and ground-based assets across a growing fleet of spacecraft. You’ll be relied upon for input and decisions that will directly impact system design and operation.
\Design and develop reliable, high-quality software related to:
Embedded Linux applications and platform software for both space and ground systems
Flight software applications and services supporting spacecraft command and control, telemetry, fault detection and recovery, resource management, and on-orbit operations
Linux-based development on Xilinx Zynq MPSoCs, Versal SoCs, and NVIDIA Jetson-class hardware

Own and maintain embedded Linux build environments using OpenEmbedded/Yocto, including layers, recipes, system images, SDKs, package configuration, and build troubleshooting
Design and integrate flight software interfaces with ground software, including

APIs and ZeroMQ message buses using data formats such as Protocol Buffers
Participate in software design review and code review processes
Work with electrical, digital design, ground software, and operations teams to identify required features and define the system architecture
Identify shortcomings in existing software components and direct future development efforts
Bachelor’s degree in Computer Science, Electrical Engineering, or equivalent
~Strong software design and development skills, including architecture, algorithms, testing, and debugging
~ Proficiency in C/C++, with experience developing reliable software for resource-constrained, mission-critical systems
~ Strong embedded Linux experience, including application development, system integration, debugging, kernel modules, device trees, and drivers
~ Experience owning and maintaining embedded Linux build systems using OpenEmbedded/Yocto
~ Experience developing Linux-based software for platforms such as Xilinx Zynq MPSoCs, Versal SoCs, or comparable embedded Linux platforms
~ Experience developing and integrating distributed software interfaces using technologies such as ZeroMQ, Protocol Buffers, and

APIs
~ Understanding of flight-software concerns such as fault tolerance, deterministic behaviour, resource constraints, and operational reliability
~ Bonus Points:
Experience developing software for aerospace applications
Experience deploying and supporting containerized software using Kubernetes on embedded Linux systems
Experience developing in Python


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.