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Principal United States Jobs (On-site work)

646 Job Offers

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Principal ASIC Engineer (Mixed-Signal)
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Voyant Photonics seeks a Principal Mixed-Signal ASIC Engineer in NYC to lead its custom IC program. Requires 7+ years analog/mixed-signal design, TIA expertise, and multiple tapeouts. Ground-floor role delivering silicon in 9-12 months.
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Voyant Photonics
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Principal Research Scientist I, In Vivo CAR-T Biology
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AbbVie seeks a Principal Research Scientist I in South San Francisco to lead in vivo CAR-T biology, driving novel CAR designs and next-gen lentiviral platforms. Requires PhD with 6+ years in CAR-T discovery or immuno-oncology.
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abbvie
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Principal Research Scientist I, Biologics Drug Product Development
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Lead biologics drug product development at AbbVie in North Chicago. Seeking BS/MS/PhD with 6-14+ years in pharmaceutics or related fields, expertise in formulation, sterile manufacturing, and tech transfer.
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abbvie
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Principal Learning Designer, Life Skills
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Level seeks a Principal Learning Designer in Austin to shape life skills curriculum and interactive learning experiences. Requires 5+ years in instructional design, learning science grounding, and strong product sense.
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Level
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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 Executive Compensation Analyst
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Senior executive compensation role in Austin requiring 10+ years of compensation experience and 5+ years supporting executive programs. Lead LTI, equity, and Board Compensation Committee processes with advanced analytics and governance expertise.
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Renesas Electronics
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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 Geotechnical Engineer/Division Manager
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Lead SOCOTEC's Tucson office as Principal Geotechnical Engineer and Division Manager. Requires PE license, 10+ years managing engineering projects, and 5+ years in CMT. Oversee operations, mentor staff, and drive growth.
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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 Manufacturing Technician
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CesiumAstro seeks a Principal Manufacturing Technician in Westminster to assemble and test complex space communication systems. Requires 7+ years of hands-on manufacturing experience and expertise in advanced assembly, tooling, and lean principles.
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46.24 - 55.59 USD / Hour
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CesiumAstro
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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 CAD Designer
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CesiumAstro seeks a Principal CAD Designer in Westminster to lead SolidWorks modeling, GD&T compliance, and PDM documentation across space and airborne communication systems. Requires 7+ years of aerospace CAD experience and U.S. citizenship eligibility.
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46.24 - 55.59 USD / Hour
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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 Design Technologist, Design Systems & Applied AI
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Lead design systems innovation at ServiceNow in Santa Clara. Shape AI-assisted design tools, coded UI libraries, and cross-functional practices. Requires 12+ years in product design or design technology.
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Armis
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About the Principal role

A Principal role represents a senior leadership position found across various industries, from construction and engineering to technology and product management. Individuals in these jobs are trusted with high-level strategic oversight, complex problem-solving, and driving significant organizational impact. Unlike entry-level or mid-career positions, Principal jobs typically require a deep well of specialized expertise, a proven track record of leadership, and the ability to influence direction without direct managerial authority over every team member.

In a professional context, a Principal is often the highest individual contributor or a senior team lead responsible for shaping the vision and execution of critical initiatives. For example, in design and construction sectors, a Principal Designer focuses on risk management from the earliest stages of a project. They ensure that health and safety regulations, such as the CDM Regulations 2015, are integrated into the design process, mitigating hazards before construction begins. This involves leading cross-functional coordination, conducting design reviews, and ensuring a seamless handover to contractors.

In technology and business strategy, Principal Product Managers own the end-to-end lifecycle of complex service portfolios or product lines. They are responsible for defining strategy, developing business cases, and launching innovative offerings that drive customer adoption and revenue growth. These roles demand a data-driven approach to decision-making, strong cross-functional leadership, and the ability to influence executives and stakeholders across engineering, sales, marketing, and customer success teams. Common responsibilities include market analysis, competitive benchmarking, pricing strategy, and building go-to-market plans.

Typical skills required for Principal jobs include exceptional communication and presentation abilities, strategic thinking, and a high degree of autonomy. Candidates usually possess a bachelor’s or master’s degree in a relevant field, combined with significant experience—often eight or more years in a related domain. Technical proficiency is critical, whether in understanding network security, cloud infrastructure, or construction regulations. Soft skills such as negotiation, mentorship, and the ability to drive alignment in matrixed organizations are equally important.

Ultimately, Principal jobs are about leading from the front, solving the most challenging problems, and setting the standard for excellence within an organization. Whether mitigating risk on a construction site or defining the future of a software platform, these professionals are integral to driving meaningful, lasting results.