Senior Manager, Finance Supply Chain and Material Management (Long Beach)

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.About the Team: The Finance & Strategy team works cross-functionally and supports growth, innovation, strategic initiatives, and capital investments. It's a highly impactful and dynamic team that focuses on business strategy, financial plans including budgets and our long-term strategic plan, KPI development and management, materials for our Board of Directors, fundraising and corporate development activities. The Supply Chain Finance team plays a mission-critical role in ensuring financial accuracy and strategic visibility across materials planning, inventory management, and manufacturing cost systems. About the Role:Lead the Supply Chain Finance team, setting strategic direction for inventory financial planning, materials spend management, and manufacturing and bill of materials cost analysis. Drive end to end improvements across finance, supply chain, and materials management regarding financial management of the bill of materials capturing evolutions of the vehicle over time. Establish frameworks for tracking and analyzing inventory movements, ensuring accuracy and alignment with MRP systems. Oversee BOM to MRP comparison and reconciliation efforts, ensuring material requirements align with engineering specifications and production plans, while directing root cause analysis to explain variances between actual manufacturing consumption rates and BOM standards while driving corrective actions. Build and maintain sophisticated cost models that incorporate cost reduction curves across product blocks and flight units, extrapolating discrete unit costs and scaling assumptions over time. Partner with Engineering, Manufacturing, and Supply Chain to validate and update BOM assumptions, cost drivers, and manufacturing rate projections. About You:Bachelor's degree in Finance, Accounting, Supply Chain Management, or related discipline with 10+ years of experience in FP&A, Supply Chain Finance, Cost Accounting in aerospace, manufacturing, or other related industries. Deep understanding of MRP/MES systems, BOM structures, inventory management principles, and manufacturing cost accounting. Proven ability to build complex financial models incorporating cost reduction curves, learning curves, and manufacturing scaling assumptions. Strong experience with variance analysis, cost reconciliation, and root cause analysis in manufacturing environments. Demonstrated ability to identify and resolve data integrity issues in complex ERP/MRP environments. Excellent analytical and problem-solving skills with attention to detail and data accuracy, coupled with strong communication abilities to explain complex technical concepts to non-technical stakeholders. Nice to haves but not required: Familiarity with advanced manufacturing techniques (additive manufacturing, DED, composite materials) Experience with manufacturing insourcing/outsourcing transitions and make-vs-buy financial analysis Experience with SQL and relational databases for querying, analyzing, and validating data from ERP systems Background in high-growth startup or scale-up environments At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.Hiring Range:$146,000—$220,000 USDWe are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.If you need a reasonable accommodation, please contact us at View email address on apply.placed-app.com.