Senior Software Engineer II — Space Systems Simulation

Rocket Lab Corp.; Littleton, Northern (CO, KY); Hybrid; USD 130,000 - 170,000; Full time

Job summary

Rocket Lab Corp. in Littleton, CO is seeking a Senior Software Engineer II to help build next‑generation simulation and modeling tools for aerospace systems.

You will work on flight and ground software capabilities, with a stack centered on C#/.NET and Angular, and contribute across requirements, design, coding, and deployment. The role emphasizes scalable architectures, UI/UX considerations, and collaboration with cross‑functional teams to deliver high‑quality solutions.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or a related technical discipline.
• 8+ years of experience in software development, with a focus on simulation, modeling, or aerospace systems.
• Proficiency in C#/.NET and Angular (or similar frontend frameworks).
• Strong understanding of relational databases (e.g., MySQL, SQL Server, SQLite).
• Solid grasp of object‑oriented programming principles and design patterns.
• U.S citizenship is required, due to program requirements.

Responsibilities

• Design, develop, and maintain simulation and modeling tools for aerospace systems.
• Design and develop mission level wargaming tools across space, air, and ground domains.
• Design products for analyzing laser communication constellation networks.
• Develop application software based on web technologies across Windows and Linux.
• Apply UI/UX best practices to create intuitive interfaces for simulation tools.
• Collaborate with cross‑functional teams to analyze requirements and define architectures.
• Participate in design reviews (PDR/CDR) and refine system requirements.
• Conduct code reviews to ensure adherence to standards.
• Optimize software performance and scalability for large-scale simulations.

Skills

C#/.NET

Angular

Relational databases

OO programming

US citizenship

Education

Bachelor's degree in Computer Science or Computer Engineering

Master or PhD (nice to have)

Tools

Docker/Kubernetes

Git and version control

Job description

Rocket Lab Corp. in Littleton, CO is seeking a Senior Software Engineer II to help build next‑generation simulation and modeling tools for aerospace systems.

You will work on flight and ground software capabilities, with a stack centered on C#/.NET and Angular, and contribute across requirements, design, coding, and deployment. The role emphasizes scalable architectures, UI/UX considerations, and collaboration with cross‑functional teams to deliver high‑quality solutions.