Senior Software Engineer II - Digital Engineering
Rocket Lab · Littleton, CO
About this role
**ABOUT ROCKET LAB** Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, and expanding humanity’s reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. **SPACE SYSTEMS** Rocket Lab’s Space Systems team builds complete spacecraft, precision payloads, and the components and subsystems that help them thrive in space—such as solar panels, flight software, star trackers, optical systems, separation systems, radios, and more. The team has enabled 1,700+ missions, working with partners including NASA, the Space Development Agency, and the U.S. Space Force. **SENIOR SOFTWARE ENGINEER II – DIGITAL ENGINEERING** Rocket Lab is seeking a **Senior Software Engineer II** to join the **Digital Engineering** team at the **Littleton, CO** site. You’ll help develop next-generation simulation and modeling tools supporting aerospace systems, including flight software and ground software capabilities. You’ll work on scalable architectures, intuitive user interfaces, and robust software solutions. You’ll collaborate across the full software lifecycle—from requirements and design through coding, testing, and deployment. The stack includes **.NET**, **Angular**, and **relational databases**, with a focus on scalable architectures and **RESTful APIs**. --- **WHAT YOU’LL GET TO DO** - Design, develop, and maintain simulation and modeling tools for aerospace systems (flight and ground software capabilities) - Design mission-level wargaming tools across space, air, and ground domains - Design products for analyzing laser communication constellation networks - Develop application software using web technologies that runs across Windows and Linux - Apply UI/UX best practices to build streamlined, intuitive interfaces for simulation and configuration tools - Collaborate with cross-functional teams to analyze requirements, define system architectures, and deliver high-quality solutions - Participate in design reviews (e.g., PDR, CDR) and help refine system requirements and technical specifications - Conduct code reviews to ensure adherence to company coding standards and best practices - Optimize software performance and scalability for large-scale simulations and data processing --- **YOU’LL BRING THESE QUALIFICATIONS** - Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline - 8+ years of software development experience, with a focus on simulation, modeling, or aerospace systems - Proficiency in **C#/.NET** and **Angular** (or similar frontend frameworks like React or Vue) - Experience with **TypeScript/JavaScript** and building **RESTful APIs** - Strong understanding of relational databases (e.g., MySQL, SQL Server, SQLite) - Solid grasp of object-oriented programming principles and design patterns - **U.S. citizenship required** (program requirements) --- **NICE TO HAVE** - Master’s or PhD in Computer Science, Computer Engineering, or related field - Experience with **Docker/Kubernetes** - Knowledge of network programming (e.g., Sockets, WebSockets) for real-time data exchange - Passion for rapid prototyping and software integration leveraging AI tools - Passion for UI/UX design - Experience with space mission analysis tools such as **STK** (or similar) - Experience modeling physical systems - Familiarity with **Git** and modern version control workflows -
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