UNKNOWN

ADAPTED_NOW

ZF's advanced camera solutions provide safety systems such as Forward Collision Warning (FCW), Following Distance Indication (FDI), Lane Keeping assistance (LKAS) and Lane Departure Warning (LDW). + Lead the execution of software tasks and deliverables across the entire software lifecycle, encompassing requirements analysis, design, coding, unit testing, and defect resolution.

Principal Engineer - Software

FEED

Partner directly with business stakeholders across R&D, Commercial, Manufacturing, Business Development, Supply Chain and Corporate functions to understand data requirements, prioritize platform capabilities, and ensure the UDP delivers actionable value aligned to each function’s strategic needs. Design and operationalize the platform support model — including intake workflows, tiered support processes, issue triage, and escalation paths — to ensure the data platform remains responsive, reliable, and well-governed as enterprise adoption scales.

YEAR

Halozyme

Principal Engineer 1, Data Platforms (Microsoft Fabric)

ea_via_bold

You are equally comfortable discussing enterprise architecture with senior technology leaders, reviewing detailed technical designs with engineers, and collaborating with business leaders to solve complex business challenges, while constantly focusing on innovation. This role partners closely with business leaders, product managers, enterprise architects, engineering teams, and external technology partners to define future-state solutions that are scalable, secure, resilient, and aligned with Guardian's strategic objectives.

The Guardian Life Insurance Company of America

Principal Engineer-Annuity Platforms and Transformation

All of our team members have access to local and company-wide events, our Diversity, Equity and Inclusion Workgroup, Culture Workgroup, Wellness Workgroup, book clubs, charitable giving and community service, firm-wide resources, peer groups (young professionals & middlers group), and mentorship and leadership programs. You’ll be recognized for your contributions at West Yost through milestone anniversary benefits, peer to peer recognition programs, the potential for employee stock ownership, annual monetary and paid time off bonuses, performance-based bonus eligibility, merit increase eligibility, and employee referral bonuses.

West Yost

Senior - Principal Engineer - Municipal Water Conveyance & Storage

FULL_TIME

Depending on the business problem, the Principal Engineer may lead a modern web application, REST and event-driven services, enterprise integrations, data workflows, cloud platforms, generative AI, predictive models, intelligent document processing, agentic automation, or a combination of these. Deep full-stack engineering experience covering modern web applications, REST and event-driven services, data access, system integration, cloud infrastructure, automated testing, deployment, observability, and production operations.

AssistRx, LLC

Principal Full-Stack AI Engineer

[AW]-iCims

Across every role, from engineers and technicians to operations and support teams, our people help solve challenging problems, push the limits of design and manufacturing, and create solutions that make a lasting impact. Principal Engineers are renowned technical experts who solve the most complex engineering challenges, influence company-wide technical direction, and provide strategic leadership across programs.

Janicki Industries

Principal Engineer

We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities. The ideal candidate will demonstrate deep expertise in filling, inspection, labeling, and packaging equipment within a regulated environment and the ability to lead and influence cross-functional teams across global locations.

ModernaTX

Principal Engineer, Drug Product

Reporting to the Chief Technology Officer, the Associate Principal Engineer, Systems Architecture will serve as a technical leader responsible for defining, integrating, and validating complex AI infrastructure systems across power, cooling, compute, controls, software, networking, and facility interfaces. The experience we're looking to add to our team: Bachelor's degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Engineering, Computer Science, or a related technical discipline; Master's degree preferred.

Flex

Associate Principal Engineer, Systems Architecture

Reporting to the Chief Technology Officer, the Associate Principal Engineer, Electrical Engineering will serve as a technical leader responsible for the design, development, integration, validation, and lifecycle support of electrical systems that enable next-generation AI and high-performance computing infrastructure. This role develops electrical architectures, power distribution solutions, control systems, and supporting hardware that connect rack, cluster, and facility-level infrastructure into scalable, intelligent, and highly reliable data center platforms.

Associate Principal Engineer, Electrical Engineering

Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Required Knowledge and Skills: Ability to perform power plant and equipment layout considering requirements for access, operations, maintenance and safety, Ability to optimize pipe routing considering requirements for cost, access, operations, flexibility, and thermal stress.

Bechtel Corp

Principal Engineer - Plant Design

Reporting to the Chief Technology Officer, the Principal Engineer, Systems Architecture Engineering will define the integrated data center and modular systems architectures that convert SpinCo's power, cooling, IT infrastructure, controls, and software capabilities into a coordinated platform. The experience we're looking to add to our team: Bachelor's degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, Computer Engineering, or related technical discipline; masters' degree preferred or equivalent experience.

Principal Engineer, Systems Architecture Engineering

Reporting to the Chief Technology Officer, the Associate Principal Engineer, Mechanical Engineering will serve as a technical leader responsible for the mechanical architecture, design, analysis, validation, and implementation of next-generation AI infrastructure platforms. If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

Associate Principal Engineer, Mechanical Engineering

Experience building or operating an AI or machine learning platform in production, such as model serving and inference, retrieval systems, evaluation frameworks, agent runtimes or AI governance tooling, including experience with machine learning systems that predates generative AI. Owns problem resolution across the team's services: identifies recurring and systemic issues from incident trends, leads root cause analysis for major or cross-domain incidents, and drives architectural and process remediation so problems do not recur.

Meijer, Inc.

All Spotters are expected to experiment with ThoughtSpot's AI tools (like Spotter and SpotterViz) and leading industry LLMs to streamline workflows, enhance output, and uncover new insights. Spotters are expected to demonstrate AI literacy and workflow integration to include to ability to: Comfortably and confidently integrate artificial intelligence into their daily workflow to increase productivity and quality.

ThoughtSpot Inc

The Principal Engineer, Master Black Belt will drive continuous improvement, mentor Black Belts and Green Belts, and ensure the highest levels of product reliability and operational performance, while maintaining critical business metrics such as customer delivery, cost efficiency, and process effectiveness. Please be aware that certain positions may require the applicant to either 1) be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or 2) be eligible to obtain an export control license or license exception from the Bureau of Industry and Science & U.S. Department of Commerce.

ZT Systems

Principal Engineer, Master Black Belt

If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications. We are looking for a leader who can run a full design-build cycle, set the technical bar by example, and is measured more by working hardware and validated designs than by decks and white papers.

Principal Engineer, Advanced Cooling Engineering

Since 1965, Stoneridge has designed and manufactured advanced, award-winning technologies including driveline and transmission actuation systems, vision systems, emissions control systems, safety systems, and security and monitoring systems for vehicle OEMs in the commercial vehicle, automotive, off-highway and agricultural vehicle markets. Join the Stoneridge Team as we continue to build upon our strong history and reputation for quality products to deliver innovative products and systems that address a need, exceed our customers’ expectations, and motivate our team.

Stoneridge

Principal Engineer, Automotive Innovation & Advanced Technologies

When appropriate represents IT Security to Senior IT Management and customers Qualifications: Required Work Experience: Minimum 10 years' experience with the implementation and support of an IT Security program including: aspects of security design and engineering; threat and vulnerability management; data protection; incident management and response; application security development, testing and assessments; and security management, This person should be able to perform a variety of technical tasks, including, for example, the installation of security software, configuration of software, and problem determination and resolution. Degree or equivalent education and experience required (Preferred)Master's Degree Specialized education and/or training in information security highly desirable (Preferred)Licenses and CertificationsCertified Information Systems Security Professional (CISSP) (Preferred)GIAC Security Expert (GSE) (Preferred)Systems Security Certified Practitioner (SSCP) (Preferred)65824Quest Diagnostics honors our service members and encourages veterans to apply.

Quest Diagnostics Inc

Principal Engineer, IT Security

The Senior Principal Engineer is a senior leadership role responsible for technical excellence, strategic growth, and operational oversight within Rinker Design Associates' engineering practice. RDA's new Blacksburg office offers a unique opportunity for an experienced engineering leader to help build and lead a team while playing an important role in RDA's continued growth across the region.

Trilon Group

Senior Principal Engineer - Water / Wastewater

This role is responsible for defining and advancing power architectures across medium-voltage and low-voltage systems, power distribution, energy storage, high-voltage and medium-voltage DC concepts, on-site generation integration, grid-interface technology, and power pods or skids. Lead applied R&D, architecture development, and prototype execution for advanced power subsystems, including power pods and skids, MV e-houses, advanced conversion systems, energy storage integration, sidecar architectures, and next-generation high-voltage DC reference designs.

Principal Engineer Jobs in the United States

Principal Engineer - Software ZF

Principal Engineer 1, Data Platforms (Microsoft Fabric) Halozyme

Principal Engineer-Annuity Platforms and Transformation The Guardian Life Insurance Company of America

Senior - Principal Engineer - Municipal Water Conveyance & Storage West Yost

Principal Full-Stack AI Engineer AssistRx, LLC

Principal Engineer Janicki Industries

Principal Engineer, Drug Product ModernaTX

Associate Principal Engineer, Systems Architecture Flex

Associate Principal Engineer, Electrical Engineering Flex

Principal Engineer - Plant Design Bechtel Corp

Principal Engineer, Systems Architecture Engineering Flex

Associate Principal Engineer, Mechanical Engineering Flex

Principal Engineer Meijer, Inc.

Principal Engineer ThoughtSpot Inc

Principal Engineer, Master Black Belt ZT Systems

Principal Engineer, Advanced Cooling Engineering Flex

Principal Engineer, Automotive Innovation & Advanced Technologies Stoneridge

Principal Engineer, IT Security Quest Diagnostics Inc

Senior Principal Engineer - Water / Wastewater Trilon Group

Principal Engineer, Advanced Power Engineering Flex

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