# Principal Ai Research Engineer Jobs 951 principal ai research engineer jobs. Top employers: SpaceX, Anduril Industries, Blue Origin, and 5 more. Salaries from $30K–$500K. Most roles in San Francisco, Costa Mesa, California, United States, San Francisco, CA, US. 951 open roles · page 1 of 64 **Principal Software Engineer, Full Stack — Codex** at OpenAI San Francisco | FULL_TIME | USD 459K–536K/yr [Apply](https://zerogtalent.com/ai-jobs/openai/principal-software-engineer-full-stack-codex-74842880-e750-4664-9e2e-83b4c96c5a03) | [JD](https://zerogtalent.com/api/agent/job/principal-software-engineer-full-stack-codex-74842880-e750-4664-9e2e-83b4c96c5a03) **Principal Engineer Capacity/Compute** at Anthropic Seattle, WA | FULL_TIME | USD 320K–485K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/principal-engineer-capacity-compute-5456406008) | [JD](https://zerogtalent.com/api/agent/job/principal-engineer-capacity-compute-5456406008) **Principal Engineer Capacity/Compute** at Anthropic New York City, NY | FULL_TIME | USD 320K–485K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/principal-engineer-capacity-compute-5456405008) | [JD](https://zerogtalent.com/api/agent/job/principal-engineer-capacity-compute-5456405008) **3P Revenue Accounting & Reporting** at Anthropic San Francisco, CA | Seattle, WA | FULL_TIME | USD 190K–230K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/3p-revenue-accounting-reporting-5456619008) | [JD](https://zerogtalent.com/api/agent/job/3p-revenue-accounting-reporting-5456619008) **Senior Principal FPGA/ASIC Engineer (Onsite)** at RTX US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04; US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 | FULL_TIME [Apply](https://zerogtalent.com/defense-jobs/rtx-raytheon-collins-pratt-whitney/senior-principal-fpga-asic-engineer-onsite-01882345-1) | [JD](https://zerogtalent.com/api/agent/job/senior-principal-fpga-asic-engineer-onsite-01882345-1) **Principal Engineer Capacity/Compute** at Anthropic San Francisco, CA | FULL_TIME | USD 320K–485K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/principal-engineer-capacity-compute-5456039008) | [JD](https://zerogtalent.com/api/agent/job/principal-engineer-capacity-compute-5456039008) **Director/Principal Research Scientist, Health Economics** at Thyme Care Remote | Remote | FULL_TIME | USD 191K–225K/yr [Apply](https://zerogtalent.com/frontier-jobs/thyme-care/director-principal-research-scientist-health-economics-620ac48d-33d6-4ebb-bd7e-612066b1f02f) | [JD](https://zerogtalent.com/api/agent/job/director-principal-research-scientist-health-economics-620ac48d-33d6-4ebb-bd7e-612066b1f02f) **Principal Test Engineer, Compute Payload (Starmind)** at SpaceX Bastrop, TX | FULL_TIME [Apply](https://zerogtalent.com/space-jobs/spacex/principal-test-engineer-compute-payload-starmind-8905802002) | [JD](https://zerogtalent.com/api/agent/job/principal-test-engineer-compute-payload-starmind-8905802002) **Account Executive - Growth Equity & Venture Capital** at Qualitate New York City | FULL_TIME | USD 250K–320K/yr [Apply](https://zerogtalent.com/space-jobs/qualitate/account-executive-growth-equity-venture-capital-f3ef95e9-7a15-4d95-8594-8041eafc57c9) | [JD](https://zerogtalent.com/api/agent/job/account-executive-growth-equity-venture-capital-f3ef95e9-7a15-4d95-8594-8041eafc57c9) **Principal Engineer – CPU Hardware Telemetry & Silicon Security** at Cyble US / IN / SG / Remote | Remote | FULL_TIME | USD 200K–400K/yr [Apply](https://zerogtalent.com/ai-jobs/cyble/principal-engineer-cpu-hardware-telemetry-silicon-security-118154) | [JD](https://zerogtalent.com/api/agent/job/principal-engineer-cpu-hardware-telemetry-silicon-security-118154) **Principal Actuary** at Omada Health Remote, USA | CONTRACTOR | USD 228K–285K/yr [Apply](https://zerogtalent.com/frontier-jobs/omada-health/principal-actuary-8235208) | [JD](https://zerogtalent.com/api/agent/job/principal-actuary-8235208) **Principal Engineer Data** at Northrop Grumman El Segundo, CA | FULL_TIME | USD 114K–171K/yr [Apply](https://zerogtalent.com/space-jobs/northrop-grumman/principal-engineer-data-R10257127) | [JD](https://zerogtalent.com/api/agent/job/principal-engineer-data-R10257127) **Principal FPGA Engineer** at CesiumAstro Westminster, CO | INTERN | USD 218K–226K/yr [Apply](https://zerogtalent.com/space-jobs/cesiumastro/principal-fpga-engineer-b6d7e6e0-3638-4f51-9fbf-2cada9935185) | [JD](https://zerogtalent.com/api/agent/job/principal-fpga-engineer-b6d7e6e0-3638-4f51-9fbf-2cada9935185) **Policy Program Manager, Safeguards Regulatory** at Anthropic San Francisco, CA | New York City, NY | Washington, DC | FULL_TIME | USD 245K–285K/yr [Apply](https://zerogtalent.com/ai-jobs/anthropic/policy-program-manager-safeguards-regulatory-5453564008) | [JD](https://zerogtalent.com/api/agent/job/policy-program-manager-safeguards-regulatory-5453564008) **Sr. Principal Aeronautical Engineer -Test and Evaluation Lead** at Northrop Grumman El Segundo; United States-California-Redondo Beach, CA | FULL_TIME | USD 142K–213K/yr [Apply](https://zerogtalent.com/space-jobs/northrop-grumman/sr-principal-aeronautical-engineer-test-and-evaluation-lead-R10256019) | [JD](https://zerogtalent.com/api/agent/job/sr-principal-aeronautical-engineer-test-and-evaluation-lead-R10256019) [Next page](https://zerogtalent.com/principal-ai-research-engineer-jobs.md?page=2) --- *Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*