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Principal Engineer United States Jobs (On-site work)

396 Job Offers

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Principal Quality Engineer
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Lead quality improvement as a Principal Quality Engineer in Alameda. Requires 7+ years in medical device Quality Engineering, Lean Six Sigma expertise, and FDA QSR/ISO 13485 knowledge. Drive CTQ and cost reduction.
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Penumbra
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Principal Geotechnical Engineer
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SOCOTEC seeks a Principal Geotechnical Engineer in West Sacramento to lead complex infrastructure projects, manage clients, and drive business growth. Requires a California GE license, PE, and 10+ years of geotechnical consulting experience.
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Socotec
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Principal Manufacturing Engineer
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Lead manufacturing process ownership at Boston Materials in Billerica, scaling advanced Z-axis carbon fiber production from IQ/OQ/PQ through full readiness. Requires materials or engineering degree, hands-on scale-up, SPC, MES/SCADA, and QA/QC expertise.
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150000.00 - 200000.00 USD / Year
Boston Materials
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Principal Subsystem Build and Test Engineer
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Lead optical hardware builds in Boulder as Principal Subsystem Build and Test Engineer. Requires 8+ years with precision optical systems, 3+ years mentoring, and BS in engineering or physics. Guide multidisciplinary teams from first builds to repeatable production.
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185000.00 - 210000.00 USD / Year
Atom Computing
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Principal Manufacturing Quality Engineer
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Lead manufacturing quality for neutral-atom quantum computers in Boulder. Requires 10+ years in precision manufacturing, DfX expertise, and team leadership. Shape processes and tooling from the start at Atom Computing.
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170000.00 - 200000.00 USD / Year
Atom Computing
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Principal Firmware Engineer
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Boston Engineering seeks a Principal Firmware Engineer in Waltham, MA to lead embedded systems design and RTOS development. Requires 7+ years firmware experience, strong C/C++, and hands-on STM32/ARM expertise.
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Boston Engineering Corporation
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Principal FPGA Engineer
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Lead FPGA architecture and RTL design for advanced satellite communication systems in Westminster. Requires 15+ years of FPGA experience, AMD Versal expertise, and strong DSP skills. U.S. citizenship required.
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218000.00 - 226000.00 USD / Year
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CesiumAstro
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Principal Engineer, Edge Applications & Mission Systems (R6245)
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Lead the architecture and delivery of edge application platforms for autonomous defense systems in San Diego. Requires 15+ years of software engineering experience and deep expertise in GCS, C2, and mission planning.
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220000.00 - 330000.00 USD / Year
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Shield AI
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Principal Software Engineer - Veza
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Lead the end-to-end architecture of Veza's identity security platform in San Diego. Requires 15+ years in software engineering, deep cloud-native SaaS and graph database expertise (Neo4j), and Kubernetes skills.
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Armis
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Principal Machine Learning Engineer
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Lead AI innovation at ServiceNow in Santa Clara as Principal Machine Learning Engineer. Drive technical vision for AI-powered security solutions using LLMs, RAG, and agentic architectures. Shape enterprise-scale ML systems.
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Armis
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Principal Software Engineer
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Lead AI-native security architecture at ServiceNow in Santa Clara. Requires deep AI/ML expertise with LLMs, agentic systems, RAG, plus React, Node.js, Python, Java, and cloud skills. Shape the future of cybersecurity.
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Armis
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Principal RFIC Design Engineer
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Lead analog and mixed-signal IC design at WD in San Jose. Requires hands-on CMOS expertise (40nm and below), EDA tools proficiency, and a proven record of successful tape-outs and mass production.
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Western Digital
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Principal Software Engineer
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Lead the end-to-end architecture of Veza's identity security platform in San Diego. Requires 15+ years in software engineering, deep graph database and Kubernetes expertise, and multi-tenant SaaS scale experience.
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Armis
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Associate Principal Engineer - Python Engineer
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Lead technical solution design and guide engineering teams as an Associate Principal Python Engineer in Atlanta. Drive microservices development, code reviews, and AWS Lambda deployments while managing technical risks.
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Nagarro
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Principal Application Engineer
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Experienced Principal Application Engineer needed in Duluth to validate DDR3/4/5 and SERDES memory interface products. Requires 10+ years in post-silicon validation, Python automation, and lab equipment expertise.
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Renesas Electronics
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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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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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Salary
165000.00 - 199000.00 USD / Year
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CesiumAstro
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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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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.