Senior Principal Jobs

Lead advanced nuclear weapon systems development as a Senior Principal R&D Systems Engineer. This role requires an active DOE Q clearance and expertise in nuclear deterrence components and lifecycle engineering. Join a dynamic team in Albuquerque to innovate and modernize critical defense systems...

Lead AI-driven tooling and engineering systems strategy at Microsoft Research in Redmond. Manage cross-functional programs to accelerate AI/ML research and adoption. Requires 8+ years in technical program management and experience with large-scale AI infrastructure. Shape the future of agent-firs...

Lead cost-saving engineering initiatives for released medical devices as a Senior Principal Engineer. Utilize your 7+ years of ME experience, CAD/FEA proficiency, and value-engineering skills in a collaborative team. Develop innovative, validated solutions in Batesville, supported by comprehensiv...

Seeking a Principal Geotech (Senior Geotechnical Expert) for a key role in Luwu Timur, Sulawesi Selatan. This position requires a min. S1 in Civil/Geology/Engineering and 3+ years' experience, primarily in the mining industry. Apply your expertise to ensure geotechnical integrity and safety in a ...

Lead cost-saving engineering initiatives for released medical devices as a Senior Principal Engineer. Utilize your 7+ years of mechanical engineering experience, CAD/FEA proficiency, and value-engineering skills. Develop innovative, validated solutions in a collaborative team environment based in...

Lead the team building one of the world's largest AI research GPU clusters at Microsoft Research in Redmond. This senior leadership role requires deep expertise in large-scale distributed systems, cloud infrastructure, and managing principal engineers. You will drive the technical vision for supe...

Lead strategic customer relationships as a Senior Principal Customer Success Manager in the US. Utilize your 8-10 years of experience in IT architecture and DevOps to drive adoption and deliver measurable business value. This role includes up to 25% travel and offers a competitive package with eq...

Join Microsoft's productivity division to shape the future of work with AI. As a Senior or Principal Applied Scientist, you will drive research from concept to products like M365 Copilot and Dynamics 365. This role requires a strong publication record and offers the chance to publish at top-tier ...

Join a respected Kent consultancy as a Senior Architect and Building Regulation Principal Designer. Lead compliant design across diverse Education, Commercial, and Heritage projects. This role offers a bonus, car allowance, and healthcare from a social Tunbridge Wells office.

Join BAE Systems in Nashua, NH, as a Senior Principal Electrical Engineer. Design and test high-reliability embedded systems and mixed-signal CCAs for cutting-edge electronic warfare solutions. This role offers a full product lifecycle position, requiring a BS in EE, 8+ years of experience, and e...

Lead large-scale R&D projects and field tests in energetic environments for national security. This senior mechanical engineering role requires a relevant degree, 5+ years' experience, and a DOE Q clearance. Join Sandia in Albuquerque to manage multidisciplinary teams with impactful work and a 9/...

Lead diverse landscape and environmental design projects as a Chartered Landscape Architect (CMLI) in Gloucestershire. This senior role requires 5+ years' experience, expert LVIA/EIA skills, and UK planning system knowledge. You will manage teams, ensure compliance, and deliver high-quality techn...

Join a leading UK law firm's national construction practice as a Senior/Principal Associate. Advise major clients on high-profile development and infrastructure projects using your 6+ years' non-contentious expertise in JCT/NEC contracts. Enjoy a collaborative environment with career progression,...

Seeking a Senior/Principal Commercial Litigation Associate (3+ years PQE) to lead high-value disputes, specializing in public procurement and complex contracts. Advise key public sector clients across healthcare, government, and social housing. Enjoy a competitive package, excellent career prospe...

Join a respected, employee-owned CDM consultancy in Cambridge as a Senior CDM Principal Designer. This key role requires 5+ years' experience, NEBOSH Construction, and IOSH/APS membership. You will ensure compliance, manage H&S files, and advise on design risks. Enjoy a profit share, car allowanc...

Lead strategic customer relationships as a Senior Principal Customer Success Manager in Sydney or Melbourne. Utilize your 8-10 years of experience and public sector/SaaS expertise to drive adoption and deliver tangible business value. Enjoy a competitive package with equity, flexible work, and co...

Join Microsoft's Core AI team in Redmond to build the foundational Observability platform for next-gen AI applications. As a Senior or Principal Software Engineer, you'll design and deliver large-scale AI services for monitoring and optimizing agent performance. This role requires strong coding s...

Join Azure AI Search Engineering Foundations as a Senior or Principal Software Engineer in Redmond. Transform how AI Search is built and operated at scale by improving developer tools, CI/CD, and validation frameworks. Leverage your cloud and secure coding expertise to turn engineering challenges...

Lead the developer experience for Zalando's Cloud Platform in Berlin. Define the product vision and roadmap for cloud infrastructure, leveraging your 8+ years of technical product management expertise. Drive innovation with GenAI integration and cloud technologies to empower builders. Enjoy a hyb...

Join Microsoft's ISE team in London as a Principal/Senior Product Design Specialist. You will lead end-to-end design, shipping high-impact cloud solutions through collaborative innovation. This role requires a design degree, significant product experience, and up to 25% travel. We offer a competi...