model validation jobs in Los Angeles

Northrop Grumman is seeking a Principal or Senior Principal Aerospace Engineer to develop and maintain physics‑based models and simulations of inertial navigation systems. The role involves performance analyses, data validation from lab and flight tests, and collaboration across systems, hardware, and software teams to enable HIL/SIL verification. Required...

DataAnnotation is seeking a Finance Expert to evaluate AI-built financial analyses on real corporate scenarios, verify valuation assumptions, and document defensible judgments for models. You’ll stress-test three-statement linkages, analyze DCF assumptions, and ensure working-capital logic aligns with real-world finance practices. We value robust financial...

DataAnnotation is seeking a Finance Expert to evaluate AI-built financial analyses on real corporate scenarios, verify valuation assumptions, and document defensible judgments for models. You’ll stress-test three-statement linkages, analyze DCF assumptions, and ensure working-capital logic aligns with real-world finance practices. We value robust...

OpenAI’s Hardware organization develops system and infrastructure solutions designed for the unique demands of advanced AI workloads. We work closely with architecture, infrastructure, and vendor teams to evaluate system performance and guide critical design decisions. Our team focuses on building and applying performance modeling frameworks to understand...

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...

America is critically deficient in production of defensive munitions- we currently produce shipborne interceptors in the few hundreds per year while our adversaries are producing offensive threats in the tens of thousands per year. Furientis was started to help solve this problem- introducing a new class of cost-effective, high production rate, interceptor...

Performance Modeling Engineer ~2 Hardware – San Francisco and Seattle About the Team OpenAI’s Hardware organization develops system and infrastructure solutions designed for the unique demands of advanced AI workloads. We work closely with architecture, infrastructure, and vendor teams to evaluate system performance and guide critical design...

Powertech USA is a Boston-based, wholly-owned subsidiary of Powertech Labs Inc (Powertech). Powertech is a cleantech company with the mission of being a trusted innovation partner providing consulting services, specialized testing, solutions, and technical expertise for a safe and sustainable global energy future. Powertech has a global...

We are seeking a Space Systems Modeling and Analysis Engineer to develop and deploy high-fidelity computational models of multi-orbit space architectures supporting satellite communications (SATCOM), navigation warfare (NAVWAR), space-based sensing and targeting (SBST), and missile warning and tracking (MWT) missions. In this role, you will build fast,...

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...

K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...

Overview Stellar Solutions, a nationally recognized “Great Place To Work”, has exciting opportunities providing engineering solutions for innovative new-entrant space companies, established space systems manufacturers, commercial space operators, and other industry stakeholders across the national security space community. Stellar Solutions is seeking...

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation...

Overview Stellar Solutions, a nationally recognized “Great Place To Work”, has exciting opportunities providing engineering solutions for innovative new-entrant space companies, established space systems manufacturers, commercial space operators, and other industry stakeholders across the national security space community. Stellar Solutions...

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and...

Overview Modeling and Simulation Engineer / SME LOCATION: El Segundo, CA JOB STATUS: Full-time CLEARANCE: TS w/SCI eligibility CERTIFICATION: N/A TRAVEL: As Needed SALARY: $180,000 to $240,000 Astrion has an exciting opportunity for a Modeling and Simulation (M&S) Subject Matter Expert located at Space Systems Integration Office (SSIO), Space Systems Command...

Industry/SectorConsumerSpecialismCorporate and Business StrategyManagement LevelSenior ManagerJob Description & SummaryThe OpportunityAs a Strategy& Strategy Consulting - Business Model Reinvention - Senior Manager you will provide strategic guidance and insights to organizations, analyzing market trends and assessing business performance to develop...

DataAnnotation is seeking a Finance Expert to evaluate AI-built financial analyses on real corporate scenarios, check valuation assumptions and the accounting behind them, and write the judgments that teach models what defensible finance work looks like. You’ll stress-test AI-built models, trace the reasoning to expose plugged numbers and broken drivers,...

Space Systems Modeling and Analysis EngineerWe are seeking a Space Systems Modeling and Analysis Engineer to develop and deploy high-fidelity computational models of multi-orbit space architectures supporting satellite communications (SATCOM), navigation warfare (NAVWAR), space-based sensing and targeting (SBST), and missile warning and tracking (MWT)...