Senior Mechanical Engineer, Structures

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and capital-efficient approach. Vast is rapidly developing its multi-module Haven Station to support a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and supporting a growing space economy for government, corporate, and private customers. Haven Demo’s 2025 success made Vast the only operational commercial space station company to design, build, and operate its own spacecraft in orbit. Next, Haven-1 is targeted to become the world’s first commercial space station, with launch anticipated in 2027, followed by additional Haven modules. Additionally, the company recently announced two new offerings leveraging its space station components and the heritage of Haven Demo: Vast Satellite, a high-power satellite product line; and Vast Lunar Systems, power, communications, and habitats for the Moon. Headquartered in Long Beach, California, and with more than 1,000 employees and over a billion dollars in private capital, Vast has built the facilities capable of manufacturing America’s next space station. The company plans to develop future habitats and systems for Mars, dedicated modules for government partners, and other crewed systems designed to unlock the expanding long-term space economy. Vast is looking for a Senior Mechanical Engineer, Structures , reporting to the Manager, Structures Design , to support the development of the systems that will be required for the design and build of artificial-gravity human-rated space stations. The Structures and Dynamics team covers a wide range of components and responsibilities: from the primary pressure hull, to MMOD shielding, engineered soft goods, and establishing design loads and factors, as well as supporting other teams’ design needs across the company. This will be a full-time, exempt position located in our Long Beach location. Responsibilities: Own design of primary and secondary structures on a large scale space station. Develop understanding of static and dynamic loads, vibrations, thermal and other environmental considerations to drive design decisions. Perform mechanical design and analysis, develop manufacturing drawings, test plans, concept of operations, and follow hardware through the entire process. Lead trades and own interfaces with sub systems. Work with fabricators and technicians to improve designs, develop processes, and resolve issues. Minimum Qualifications: Bachelor's Degree in mechanical engineering, aerospace engineering, civil engineering, physics, or math. 4+ years experience with CAD and FEA software packages. 4+ years of experience designing and developing mechanical components or systems. Preferred Skills & Experience: Design of structures and components for a high-performance vehicle or spacecraft. Proactive problem-solving skills such as failure analysis and root cause investigation. Prior experience in a fast-paced manufacturing setting. Design work in recent versions of NX/ Teamcenter. Analysis work in recent versions of Ansys, Femap/Nastran, Abaqus. Experience with GD&T implementation and analysis (ASME Y14.5). Familiarity with spacecraft specifications such as SMC-S-016, NASA-STD-5001. Pay Range: Senior Mechanical Engineer: $137,760- $195,552 Staff Mechanical Engineer: $162,360 - $230,472 Pay Range: California $137,760 — $230,472 USD We calibrate level and compensation to the selected candidate's experience and demonstrated capability. We welcome applicants across a range of experience levels to apply. COMPENSATION AND BENEFITS Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees. EQUAL OPPORTUNITY Vast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.