Senior Systems Engineer

Senior Guidance, Navigation, and Control Engineer, Space SystemsBroomfield, Colorado, United StatesKatalyst is an American technology company focused on dynamic space operations. We are building a fleet of dual-use multipurpose robotic space vehicles to create the future where maneuvering, upgrading, refueling, resupply and exploration are as routine as they are on Earth. Getting to space and overcoming the gravity well is only half the story. What you do there is the future. We are not building the trains. We are building the machines that lay down the tracks. By developing the foundational capabilities that make sustained, responsive operations possible, we enable a new era of space exploration that strengthens national security and ensures freedom of action in an increasingly contested domain.Working at Katalyst is intense, hands-on, and deeply rewarding. You'll take real ownership and see your work move from concept to operations in an environment where the problems are hard and the impact is real. We value humility, craftsmanship, and doing things the right way, even when it's harder. You'll work closely with thoughtful, driven teammates who push each other to do their best.What You'll DoSupporting GNC algorithm trade studiesBuilding simulation environments and prototype algorithmsCollaborating on system-level integrationDeveloping and validating 6-DoF simulation toolsAssisting with datasets and algorithm evaluationSupporting implementation, testing, and debuggingYour Ideal BackgroundRequiredBachelor's degree in relevant engineering field3+ years of experience working in guidance, navigation, and control in one or more areas:Modeling and simulationAlgorithm development for state estimationTrajectory or path planningClassical or modern control of dynamical systemsSoftware development experience in Python for modeling and simulation applicationsExperience with GNC systems, sensors, or control algorithmsAbility to work in fast-paced startup environmentStrong problem-solving skillsDesiredExperience with space system development, especially around guidance, navigation and control, or rendezvous proximity operations.Orbital mechanics / Astrodynamics knowledgeGit, Linux, Basilisk familiarity C/C++ experienceStrong communication skillsReal-time embedded systems experienceHardware-in-the-loop experienceSpacecraft hardware knowledge (RWAs, thrusters, etc)Mission operations experienceAdditional Requirements: Must be willing to work extended hours and weekends as needed.Compensation and Benefits: Your base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. The anticipated salary range for this role is $140,000 - $240,000 annually.Base salary is just one part of your total rewards package at Katalyst. You will also be eligible for long-term incentives, in the form of the Employee Stock Option and Equity Plan, as well as a relocation bonus and other discretionary bonuses. You will also receive access to comprehensive medical, vision, and dental coverage, and unlimited Paid Time Off.