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K2 Space is building the largest and highest-power satellites ever flown, backed by $450M in funding from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, and Lightspeed Venture Partners. The company is mass-producing advanced satellite platforms for missions from low Earth orbit to deep space, with multiple launches planned through 2026 and 2027.
As a Senior Modeling & Simulation Engineer, you will develop the modeling and simulation capabilities that enable K2 to design, verify, and operate spacecraft for demanding national security missions. You will simulate and verify the software that flies and orchestrates some of the largest satellites ever built, and model how those systems perform against real mission objectives, threats, and operational constraints.
In your first three months, you will generalize simulation tools to operate in classified contexts, modeling multiple spacecraft and mission profiles while demonstrating robust performance in contested and demanding environments. Within six months, you will design many-agent, mission-level simulations and tools for operating entire constellations, directly informing mission assurance and critical company decisions.
Key responsibilities include developing mission-level modeling and simulation of national security space missions; modeling and analyzing constellation-level capability and performance against mission requirements, including network coverage, beam planning, and resilience in contested environments; creating and maintaining simulation software infrastructure for 20kW+ spacecraft; developing physics-based software models of spacecraft subsystems including propulsion, attitude control, power, and communications systems; creating tools for rapid deployment of quality code; and performing data analysis and anomaly investigation to identify and resolve on-orbit problems.
As a senior member of the team, you will drive solutions end-to-end across the software stack, make changes to vehicle control software where needed, set technical direction, and mentor other engineers. This role supports classified national security programs and requires work to be performed on-site in a secure environment. An active TS/SCI clearance and US citizenship are required.
