Principal Scientist Jobs in Irvine, CA

Lead high-profile capital programs nationwide, collaborating with stakeholders to deliver transformative solutions while managing operations, resources, and strategy effectively. Drive project success...

Transform complex nuclear energy programs by leading risk management and project execution efforts. Engage cross-functional teams to ensure project success while navigating evolving requirements and f...

Lead cross-functional quality engineering activities to ensure compliance with cGMP regulations and internal standards, supporting both development and commercial programs through effective investigat...

Champion innovation in polymeric biomaterials, leading project teams to solve complex challenges in medical devices, while fostering talent development and collaboration across functions for impactful...

Champion client engagement by driving growth through insight-led analysis. Collaborate with cross-functional teams to deliver tailored solutions that enhance client profitability using advanced analyt...

Transform your career by joining a dynamic team in land surveying, where you'll tackle innovative projects, utilize advanced technologies, and collaborate with experts to shape successful outcomes for...

Advance astronautical engineering solutions, driving design, implementation, and quality assurance for mission-critical software and systems. Lead technical teams to innovate and support spacecraft op...

Empower innovative drug discovery by designing cellular experiments and optimizing assays that elucidate small molecule mechanisms, while collaborating with a multidisciplinary team to advance therape...

Play a key role in leading clinical research activities across regions, ensuring compliance, quality, and timely delivery. Engage with cross-functional teams and mentor junior staff, while minimizing...

Join the AI Engineering team to create Reddit-native LLMs, enhancing model safety and performance through innovative evaluation and fine-tuning pipelines, while collaborating with expert engineers to...

Transform the future of biostatistics by leading a dynamic team in clinical trial design and analysis, shaping strategic initiatives, and driving operational excellence while mentoring talent and coll...

Join a team that's dedicated to environmental excellence, where you'll support diverse projects and collaborate with skilled professionals to deliver quality solutions in the built and natural environ...

Take ownership of electrical substation design projects by leading technical evaluations, preparing proposals, and ensuring compliance with standards. Collaborate with teams to deliver innovative solu...

Drive excellence in electrical substations by leveraging over 10 years of expertise in design, coordination, and client interactions to deliver top-tier engineering solutions across diverse industries...

Pioneer the development of robust software solutions in eDiary and clinical data platforms, leveraging modern technologies to enhance patient engagement and ensure regulatory compliance while collabor...

Join a visionary team to lead electrical system architecture and integration for a cutting-edge microreactor. Drive innovation from design through testing and ensure readiness for a 2028 deployment, i...

Manage multiple NPI projects for the aseptic manufacturing of biologics, coordinating cross-functional teams to ensure compliance and meet product transfer timelines. Drive innovation and decision-mak...

Lead the charge in designing and automating cloud infrastructures across AWS, Azure, and GCP. Empower clients to drive cloud adoption through secure, scalable solutions, and mentor teams while enhanci...

Transform regulated identity governance by architecting solutions that ensure compliance and security across enterprise platforms, driving strategic initiatives in Identity & Access Management with a...

Lead the charge in ocean science innovation by managing complex programs for NOAA. Synthesize data to shape critical policies and ensure successful international collaborations for ocean health advoca...

Build and enhance autonomous penetration testing agents that mimic human expertise in vulnerability assessments, ensuring production safety and reliability at scale, while collaborating closely with o...

Shape innovative AI solutions as you lead cutting-edge generative modeling and computer vision projects. This senior role involves defining technical strategies, driving model development, and ensurin...

Help us enhance our manufacturing processes by driving innovation and collaboration within cross-functional teams, ensuring safe scale-up of products from development to production while optimizing pe...

Lead the charge in delivering innovative, scalable solutions across healthcare, marketing, and logistics through technical authority in architecture design, hands-on development, and mentorship in a d...

Pioneer innovative AI solutions that shape personalized student learning experiences. You'll design systems, build evaluations, and integrate features across the stack, ensuring high-quality user inte...