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About the Role

Develop models, tools, and simulations of next-generation space systems that align requirements and specifications from early mission analysis through spacecraft design, manufacturing, and in-space operations. Work with subject matter experts to improve systems models and digital twins, applying modern software development practices to deliver scalable solutions for rapid mission analysis and technical decision-making.

Responsibilities

Create reusable models, tools, and simulation frameworks for rapid analysis of new mission concepts and payload opportunities.
Collaborate with subject-matter experts to model behavior and interactions between spacecraft subsystems, payloads, ground systems, and operational concepts.
Develop simulation capabilities supporting optical imaging payloads, RF payloads, communications payloads, ISR missions, and future commercial payload opportunities.
Validate digital twins and models against in-space operational data.
Develop tools for documentation generation, manual user data analysis, continuous integration testing, and automated data analysis and validation.
Provide training for users on usage and best practices of simulation tools.
Balance and continuously improve simulation performance and fidelity.

Requirements

Bachelor's in Software Engineering, Computer Science, Computer Engineering, Systems Engineering, Aerospace Engineering, Physics, Applied Mathematics, or a related technical discipline.
7+ years of software development experience using modern engineering software development tools and practices.
Experience in end-to-end life-cycle delivery of high-quality software, from clarifying high-level user requirements & use-cases, experimentation, development, delivery, integration of customer / user feedback, support and continuous improvement.
Strong analytical, mathematical, and problem-solving skills.
Ability to balance simulation fidelity, runtime performance, and schedule & budget constraints.
Ability to absorb, synthesize, and communicate complex technical concepts to team members and tool users.
Ability to collaborate and work effectively as part of a diverse, multidisciplinary, distributed team.
Excellent written and verbal communication skills.

Skills

C/C++
Python
Modeling
Simulation
Digital engineering
Mission analysis
Space systems
Optical imaging payloads
EO/IR systems
Hyperspectral sensors
RF payloads
Communications payloads
Remote sensing missions
Flight software
Digital twins
Hardware-in-the-loop simulation
Software-in-the-loop testing
Orbital mechanics
Space mission operations
Space mission architectures
AI
Machine learning
Data science
LLM technologies
STK
GMAT
Orekit
Basilisk
AGI tools
Model-Based Systems Engineering (MBSE)
Cloud-based simulation environments
High-performance computing
Distributed simulation frameworks
Optimization algorithms
Reinforcement learning
Computer vision
Autonomous mission planning

Location

Toronto

Work Type

Full-time

Experience Level

7+ years of software development experience

Education Level

Bachelor's in Software Engineering, Computer Science, Computer Engineering, Systems Engineering, Aerospace Engineering, Physics, Applied Mathematics, or a related technical discipline
Master’s degree in Software Engineering, Computer Science, Computer Engineering, Systems Engineering, Aerospace Engineering, Physics, Applied Mathematics, or a related technical discipline

Salary/Compensations

$150,662 - $175,662 CAD

Benefits

Competitive compensation with a robust equity plan.
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.
Fully stocked Toronto office kitchen with snacks, drinks, games and top-notch kitchen appliances.
Town Halls, Celebration Calls, and Company-wide events.
Certified Great Place to Work® for five consecutive years.

About the Company

Kepler Communications is leading the future of on-demand space connectivity, providing real-time Internet access for space-based assets.
Our mission is to enable a new era of data-driven exploration and innovation in space.
We operate the first commercial optical data relay constellation with 33 satellites launched.
We support advanced on-orbit compute and hosted payload capabilities.
Our team consists of bold thinkers, skilled builders, and passionate problem-solvers.
We are committed to creating an environment for growth, leadership, and global impact.
We encourage individuals ready to shape the future space economy to join us.

Equal Opportunity

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.