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Principal Engineer Jobs

1765 Job Offers

Principal Stress Engineer
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Assystem seeks a Principal Stress Engineer to lead structural integrity projects across UK nuclear sites. Requires expert FE analysis, ASME/RCC-M/R6 codes, and team leadership. Hybrid work with strong benefits.
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ASSYSTEM
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Principal Stress Engineer
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Assystem seeks a Principal Stress Engineer in Bristol to lead structural integrity projects for nuclear clients. Requires expert FE analysis, ASME/RCC-M/R6 code knowledge, and team mentoring. Hybrid work with strong benefits.
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ASSYSTEM
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Principal Stress Engineer
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Assystem seeks a Principal Stress Engineer to lead structural integrity projects across UK nuclear sites. Requires expert FE analysis, ASME/RCC-M/R6 codes, and team leadership. Hybrid work with strong benefits.
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Salary
Not provided
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ASSYSTEM
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Principal Stress Engineer
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Assystem seeks a Principal Stress Engineer to lead structural integrity projects across UK nuclear sites. Requires expert FE analysis, ASME/RCC-M/R6 codes, and team leadership. Hybrid work with strong benefits.
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Salary
Not provided
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ASSYSTEM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Glasgow to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code, and transmission planning.
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AECOM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Birmingham to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code, and transmission planning.
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AECOM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Bristol to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and high voltage systems.
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AECOM
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Principal Data Engineer, AI Enablement
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Lead AI-ready data solutions at AbbVie in North Chicago as Principal Data Engineer. Requires MLOps, LLM integration, Graph RAG, Python, SQL, and Spark expertise. Shape pharma's AI future with cutting-edge data pipelines.
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abbvie
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Associate Principal Facilities Engineer
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AbbVie seeks an Associate Principal Facilities Engineer in Branchburg to manage building drawings, oversee facility design, and drive cost-effective upgrades. Requires 4+ years of engineering experience; GMP and HVAC design a plus.
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United States, Branchburg
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abbvie
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Principal Engineer, Construction Safety
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Lead construction safety engineering for NYC's most complex high-risk projects. Requires PE license and 4+ years civil engineering experience. Review drawings, conduct field audits, and enforce Building Code compliance across all five boroughs.
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City of New York
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in London to lead grid compliance studies using PowerFactory, PSCAD and PSS/E. Requires UK Grid Code expertise and strong transmission planning skills.
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AECOM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Manchester to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code, and transmission planning.
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AECOM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Newcastle to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and high voltage systems.
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Location
United Kingdom, Newcastle upon Tyne
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AECOM
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Senior / Principal Power Systems Engineer
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AECOM seeks a Senior/Principal Power Systems Engineer in Leeds to deliver grid connection projects across the UK and Ireland. Requires expertise in PSCAD, PowerFactory, UK Grid Code and HV protection.
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AECOM
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Lead / Principal GenAI Engineer
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Lead/Principal GenAI Engineer role in a lean, forward-deployed AI pod at a private equity firm. Design and build LLM workflows, RAG pipelines, and agentic apps for portfolio companies, then hand off scalable solutions. Remote, long-term contract with health insurance and growth opportunities.
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Devsu
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Principal Communications System Test Engineer - Verification and Validation
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Lead communications system test engineering at CesiumAstro in Austin. Requires 11+ years in space communications, RF expertise, and hands-on verification and validation of phased-array payloads and end-to-end links. U.S. citizenship required.
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CesiumAstro
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Principal Verification Engineer
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Lead ASIC verification for cutting-edge micro/mm-Wave communications at Jariet Technologies in Aliso Viejo. Requires 10+ years experience, SystemVerilog UVM expertise, and strong coverage-driven verification skills.
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165000.00 - 199000.00 USD / Year
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CesiumAstro
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Principal Data Platform Software Engineer (Database Operations)
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Lead database operations for ServiceNow's RaptorDB platform in Santa Clara. Architect resilient, cloud-native database solutions across hybrid infrastructure. Deep database and distributed systems expertise required.
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Armis
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Principal AI Forward Deployed Engineer
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Lead agentic AI solution delivery for ServiceNow's CRM business in Santa Clara. Architect production-grade autonomous agent systems, translate customer needs into scoped use cases, and drive forward-deployed AI adoption.
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Armis
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Senior Principal Software Engineer – Full Stack Engineer
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QAD Redzone seeks a Senior Principal Full Stack Engineer in Pune with 12+ years of experience in Java, Node.js, Python, and cloud-native architecture. Lead complex system design, mentor engineers, and drive technical strategy for an AI-powered manufacturing platform.
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QAD, Inc.
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About the Principal Engineer role

Explore the pinnacle of technical leadership with Principal Engineer jobs. A Principal Engineer is a master-level technical expert and strategic leader within an engineering organization. This is not merely a senior role; it represents the apex of an individual contributor technical track, where influence, architectural vision, and deep expertise converge to shape the technological future of a company. Professionals in these roles are the go-to authorities for the most complex, high-impact challenges, setting technical standards and driving innovation across multiple teams or the entire organization.

The common responsibilities of a Principal Engineer are vast and critical to long-term success. Typically, they involve defining and driving the long-term technical strategy and architectural vision for major platforms or product suites. They are responsible for researching, prototyping, and selecting technologies that will scale to meet future business needs. A core part of their duties includes leading the design and implementation of complex, cross-functional systems, ensuring they are resilient, secure, and efficient. They serve as the ultimate escalation point for critical production issues, conducting deep-dive analysis and root cause investigations to resolve systemic problems. Furthermore, Principal Engineers have a significant mentorship and governance function, actively coaching senior and staff engineers, establishing best practices, and conducting rigorous code and design reviews to maintain exceptional quality across all engineering outputs. They are also key collaborators, working closely with engineering managers, product leaders, and enterprise architects to align technical execution with business objectives.

The typical skills and requirements for these high-level positions are extensive. A bachelor's or master's degree in computer science, engineering, or a related field is common, though equivalent demonstrable experience is often acceptable. Most roles require a minimum of 10+ years of progressive, hands-on software development or infrastructure engineering experience, with a significant portion spent in lead or architecture-focused positions. Essential technical skills include mastery of relevant programming languages and frameworks, profound knowledge of system design patterns and distributed architectures, and expertise in cloud platforms like AWS, Azure, or GCP. They must possess exceptional analytical and problem-solving abilities to deconstruct ambiguous, complex problems. Beyond technical prowess, superior soft skills are non-negotiable; this includes outstanding communication to articulate technical vision to both technical and non-technical stakeholders, proven leadership and influence without formal authority, and strategic business acumen. For those seeking to define technological frontiers and mentor the next generation of experts, Principal Engineer jobs offer a challenging and highly rewarding career path at the forefront of innovation.