Senior Principal Jobs

Join Microsoft's 365 team as a Senior or Principal Software Engineer. This remote role involves designing and building large-scale, high-performance cloud services like Exchange and Teams. We seek experts with 5+ years in backend development using C++, C#, or Java. Help shape the world's largest ...

Join our Tel Aviv team as a Principal/Senior Security Researcher, focusing on Linux & API Security EDR. You will lead research on Linux OS internals, malware analysis, and develop cutting-edge detection capabilities. We seek an expert with 5+ years in cybersecurity, proficiency in Python/C/C++, a...

Join our Tel Aviv team as a Principal/Senior Security Researcher, focusing on Linux & API Security for EDR. You will research Linux internals, malware, and APTs to build cutting-edge detection and protection capabilities. This role requires 5+ years of cybersecurity experience, proficiency in Pyt...

Lead quality engineering for life-saving medical devices at Baxter. This senior role requires 10+ years' experience with electromechanical devices and expertise in design assurance. You will ensure regulatory compliance and product safety in Round Lake. Enjoy robust benefits including health cove...

Lead the definition and architecture of next-generation silicon solutions at SCALINX in Caen. This senior role requires 15+ years of experience in semiconductor product development, from concept to high-volume production. You will translate market needs into innovative, scalable architectures, ba...

Lead cutting-edge hardware engineering for safety-critical aviation technology, including Helmet-Mounted Displays and Flight Controls. This senior role in Rochester, UK, requires expertise in Mentor Graphics, signal integrity, and the full development lifecycle. You will mentor junior engineers w...

Join our expanding environmental team in Cardiff as a Senior/Principal Ecologist. Lead diverse ecological surveys and deliver high-quality reports for key infrastructure and development projects. Enjoy a flexible, supportive culture with benefits including health insurance and bespoke career deve...

Lead the Azure Databricks platform for a major corporation in Phoenix, AZ. This senior role requires 8+ years in data analytics and deep expertise in Azure Databricks, Unity Catalog, and PySpark. Enjoy a competitive package with ownership stake, great benefits, and a hybrid schedule (4 days on-si...

Join Microsoft's PowerPoint AI team in Redmond to shape the future of AI-powered visual storytelling. Lead the design of scalable backend services and complex AI features for Copilot and next-gen agents. This role requires 6+ years of backend engineering experience with C++, C#, or Python, focusi...

Lead complex piping engineering projects as a Senior Principal Engineer in Chennai. Utilize your 20+ years of oil & gas design expertise to develop innovative, cost-effective solutions. Apply deep knowledge of codes, standards, and engineering software to guide major projects and mentor teams. Th...

Join Sandia's W76 UK Trident Program Team as a Senior Principal Systems Engineer in Albuquerque. This role requires an active DOE Q-clearance and expertise in nuclear weapon systems to guide critical engineering projects and stockpile assessments. You will serve as a key technical expert, coordin...

Lead complex testing engagements as a Senior Delivery Manager at Ten10 in London. This dual-aspect role combines hands-on programme delivery with market thought leadership. You will build trusted client partnerships, shape pre-sales solutions, and mentor project teams. A strong public speaker wit...

Join Microsoft's Cloud Hardware Systems Engineering team in Redmond as a Senior Principal System Solution Architect. Define next-generation Azure infrastructure for compute, storage, and AI, focusing on high-performance, low-latency networks. This role requires a Master's degree and 9+ years of e...

Join Microsoft 365 as a remote Senior or Principal Applied Scientist. Shape a top cloud service, building ML models that power Copilot for millions. Requires 5+ years in predictive analytics, AI research, and a passion for user-centric innovation.

Join a dynamic team tackling complex national security challenges as a Senior Principal R&D Systems Engineer. You will plan and manage component/material evaluations, directly supporting Nuclear Deterrence modernization. This role requires an active DOE Q clearance, a relevant bachelor's degree, ...

Lead complex testing engagements as a Senior Delivery Manager in London. This dual-aspect role requires deep Quality Engineering expertise and a proven track record in programme delivery. You will build trusted client partnerships, provide technical thought leadership, and mentor project teams.

Lead Digital Engineering transformation for Naval Nuclear Laboratory programs. This senior role in Schenectady, NY, Albany, NY, or West Mifflin, PA, focuses on implementing advanced MBSE processes, developing Digital Threads, and integrating AI/ML. Requires a Master's degree, 8+ years of DE/SE ex...

Lead digital transformation for Naval Nuclear Laboratory programs. This senior role in Albany, NY or West Mifflin, PA focuses on implementing advanced MBSE processes, developing Digital Threads, and integrating AI/ML. Requires a Master's degree, 8+ years of Digital/Systems Engineering experience,...

Join a leading team in Brisbane as a Senior or Principal Engineer specializing in safety-critical systems. You will provide vital assurance and safety engineering services for major transport and defence projects. This role requires a Chartered Engineer with 5+ years' experience and deep knowledg...

Lead the architecture of high-scale, bidirectional communication systems at Cortex Cloud. This senior role in Tel Aviv demands deep expertise in distributed systems, cloud-native tech (GCP/AWS/Azure), and languages like Go. You will design the core infrastructure handling massive data flows to mi...