Senior Principal Jobs (On-site work)

Join Baxter's mission-driven team as a Senior Principal Electrical Engineer in Round Lake. You will architect embedded electronics for medical devices, leveraging 10+ years of analog/digital design and PCB expertise (Altium). This role offers impactful work, a collaborative culture, and comprehen...

Lead the development of next-generation medical devices as a Senior Principal Electrical Engineer at Baxter in Round Lake. You will architect embedded systems, design analog/digital circuits, and ensure EMI/EMC compliance for safety-critical products. This hands-on technical leadership role requi...

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 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...

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...

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.

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/...

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...

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 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 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 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...

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 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,...

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...