GNC Engineer

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!

As a GNC Engineer, you will be responsible for the technical design, test, deployment, and operation of Kepler’s Guidance Navigation and Control (GNC) platforms. You will work with a team team to develop the algorithms, analyses, simulation elements, test platforms, tools and documentation that guarantee the performance, reliability and availability of Kepler spacecraft attitude and orbit control systems. You will interface with cross functional teams to maintain exceptional performance of Keppler’s spacecraft; ensuring that the GNC platform adheres to key performance metrics and supports payload operations.

Key Responsibilities:

Design and analysis of attitude determination and control systems and supporting tools
Scope capabilities and requirements for the GNC system
Maintain Software in the Loop, Hardware in the Loop frameworks
Maintain analysis tools
Accommodate sensors and actuators capable of meeting project objectives
Analyze platform stability to ensure low jitter for line-of-sight instruments
Analyze the controller performance of flexible spacecraft
Various first principles derived analyses

Required Skills & Qualifications:

Bachelor’s degree in a relevant field (physics, electrical, mechanical, aerospace engineering).
3 - 6 years of relevant experience.
Strong understanding of aerospace and engineering fundamentals.
Strong understanding of spacecraft control and determination.
Experience with developing and maintaining software and hardware in the loop test setups.
Strong understanding of orbital mechanics, classical dynamics and the low-earth orbit environment.
Experience with flexible body control, orbital maneuvering, sensor filtering, fault management, software development, and navigation filtering.
Ability to work in a fast paced, autonomously driven, and demanding atmosphere.
Excellent communication skills both written and verbal.

Job Description

Key Responsibilities:

Required Skills & Qualifications:

About Kepler