UNKNOWN

FEED

Backed by industry giants like NVIDIA, AMD, Mediatek and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. As pioneers of co-packaged optics (CPO), we are using light instead of electricity to move data faster, further, and with a fraction of the energy needed to fuel the explosive growth of AI models.

Ayar Labs

Principal Engineer, Electronic Hardware Design

Our current groups include: Africa, Middle East, Central Asia (AMECA), Black Employees at Lilly (BE@Lilly), Chinese Culture Network (CCN), EnAble, Evolve, Lilly Indian Network (LIN), Organization of Latinx at Lilly (OLA), Pride (LGBTQ+ Allies), Veterans Leadership Network (VLN) and Women’s Initiative for Leading at Lilly (WILL). Upon the start of commercial production, the role's objectives shift to maintaining the validated state of applicable processes, monitoring metrics to ensure a state of control and capability, harmonizing control strategies across process teams, driving continuous improvement, and serving as an escalation point for day-to-day packaging operations issues.

Eli Lilly and Company

Principal Engineer – TSMS Packaging

Our company is built by dedicated team players who love to challenge the status quo; we did not achieve record revenue and over 30 years of quarterly profitability without a great team dedicated to empowering innovation. Strong expertise and competence in electrical analysis, modelling, and simulation including worst-case circuit analysis, electrical stress and derating analysis, small signal analysis, and power integrity analysis.

YEAR

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc

Principal Engineer-Design

Learning & Development: Our lifelong learning philosophy means you'll have access to a wealth of state-of-the-art learning resources, including our Lean Academy and online university (where you can get certificates and specializations from renowned colleges and universities). Join our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world's most beloved brands, including DEWALT, BLACK+DECKER, CRAFTSMAN, STANLEY, CUB CADET, and HUSTLER.

Since 1843, we've set the standard for excellence in everything we do. No company on earth has a stronger or more compelling history of delivering the hardworking, innovative, powerful tools that help professionals around the world build, repair, and protect the world's most valuable things. We are the leader in tools and security. We are Stanley Tools. We are DeWalt. We are Mac Tools. We are Porter-Cable. And we are much more. We are the doors that protect you at airports. We are the lock and deadbolt on your front door. We are the hydraulic breakers that rescue trapped earthquake survivors. We are the people on the phone in an emergency. No matter where you live, what car you drive, what stores you shop at, or what building you work in, you can bet that we had a hand in making it work. And you can guarantee that we'll keep making it work.

Stanley Black & Decker, Inc.

Principal Engineer

ea_via_bold

Essential Functions: Collaborate closely with analog/mixed-signal, digital, and photonic block designers to develop sophisticated control algorithms for our photonic circuits and establish the micro-architecture and embedded requirements for our multi-chip package systems. Backed by industry giants like NVIDIA, AMD, Mediatek and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures.

Principal Engineer, Firmware

Job Description: Microchip Technology Inc. is a leading provider of microcontrollers, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Job Responsibilities: As a member of the software development team in Hauppauge, New York and in Austin, Texas, you will develop, integrate, and maintain Ethernet device drivers and supporting software for Microchip USB- and PCIe-based network interface devices.

Principal Engineer - Software

Our current groups include: Africa, Middle East, Central Asia (AMECA), Black Employees at Lilly (BE@Lilly), Chinese Culture Network (CCN), EnAble, Evolve, Lilly Indian Network (LIN), Organization of Latinx at Lilly (OLA), Pride (LGBTQ+ Allies), Veterans Leadership Network (VLN) and Women's Initiative for Leading at Lilly (WILL). Upon the start of commercial production, the role's objectives shift to maintaining the validated state of applicable processes, monitoring metrics to ensure a state of control and capability, harmonizing control strategies across process teams, driving continuous improvement, and serving as an escalation point for day-to-day packaging operations issues.

Eli Lilly and Co

Principal Engineer - TSMS Packaging

The Slate mobile app covers a wide technical surface: a React Native / TypeScript product layer, a custom native module for vehicle communication, a dedicated mobile backend-for-frontend, platform-level security and encryption, and integrations spanning EV charging, service scheduling, account management, and over-the-air update delivery. The compensation for this position is the range Slate reasonably and in good faith expects to pay for the position taking into account the wide variety of factors that are considered in making compensation decisions, including job-related knowledge; skillset; experience, education and training; certifications; work location; and other relevant business and organizational factors.

Re:Car

Principal Engineer, Mobile

Total Rewards at TD includes base salary and variable compensation/incentive awards (e.g., eligibility for cash and/or equity incentive awards, generally through participation in an incentive plan) and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off (including Vacation PTO, Flex PTO, and Holiday PTO), banking benefits and discounts, career development, and reward and recognition. More than 95,000 TD colleagues bring their skills, talent, and creativity to foster deeper relationships, ensure disciplined execution, and build a simpler, faster banking experience.

The Toronto-Dominion Bank

Principal Engineer, Architecture & Compound Engineering (US)

Conducts analyses and/or tests pertaining to the development of new designs, methods, materials, equipment or processes and completes required documentation by determining required actions, performing or directing completion of tasks and publishing findings and/or results. Provides expert technical information concerning manufacturing or processing techniques, materials, properties, and process advantages and limitations which affect long range plant and product engineering planning by carefully analyzing and applying advanced engineering principles.

NR Consulting LLC

jobdiva

The successful candidate will serve as the senior technical leader for the Customer domain, driving the technical strategy, architecture, and modernization of Customer Central and related customer data products while ensuring platform scalability, reliability, security, governance, and alignment with enterprise analytics, AI/ML, and customer data initiatives. Data strategy: Partner with business and data leaders to define customer data products, improve data quality, expand capabilities, support Customer 360, and enable self-service analytics and AI/ML use cases.

PROLIM Global Corporation

Principal Engineer - Customer Domain & Customer Central

The ideal candidate should possess strong hands-on Salesforce development expertise, deep understanding of platform architecture, enterprise integrations, and technical governance, along with the ability to lead distributed teams and collaborate with business and technical stakeholders. Provide hands-on technical leadership in Apex, Lightning Web Components (LWC), Triggers, Flows, Batch Apex, SOQL, and Salesforce APIs.

Sumeru Solutions

Associate Principal Engineer - Salesforce Architect

Ceipal

Identify and mitigate systemic technical risks, reliability gaps, integration complexity, platform constraints, AI governance needs, and technical debt that could impact store operations, guest experience, or enterprise scale.qualificationsBachelor's degree in Computer Science, Information Systems, Information Technology, or equivalent experience; Master's degree preferred.11+ years of progressive software engineering experience, with demonstrated expertise in large-scale system design, technical architecture, and cross-functional leadership across multiple technology domains. You will influence across multiple teams without relying on formal authority, building consensus around technical direction, surfacing trade-offs, and acting as a thought partner to technology leadership on how AI, engineering practices, and platform strategy can drive meaningful retail business outcomes.select responsibilities include:Define the technical vision, system design, and implementation approach for major retail systems initiatives that support global store, guest, educator, and omni-channel experiences.

Lululemon Athletica Inc

Principal Engineer - Retail Systems

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. 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

The Inference Platform team runs frontier open models in production on a heterogeneous GPU fleet, and the gap between a model that merely runs and a model that runs well is measured in millions of dollars of GPU time and in whether a customer's SLO is met. Building the benchmarking and regression infrastructure that makes optimization claims trustworthy: agent-shaped and long-context traffic distributions, TTFT/ITL/throughput measurement, and accuracy validation that runs before anything ships.

DigitalOcean

Principal Engineer, Model Optimizations

Experience operating and migrating security analytics and detection workloads across modern platforms, along with strong working knowledge of major public cloud environments (AWS, Azure, GCP) and the identity, networking, logging, data protection, and workload-security controls required to secure them. Hands-on experience with cloud-scale data and analytics platforms supporting security operations, including distributed query, high-volume data processing, object storage, schema management, data pipelines, and the operational patterns required to run security analytics at scale (e.g., Databricks, Snowflake, etc.).

First American Financial Corp

Principal Engineer - Agentic Security Operations (remote)

ADAPTED_NOW

The successful candidate will serve as the Engineering Department's subject matter expert for consultant services program administration and task order workflows, ensuring consistency, compliance, and operational excellence throughout the procurement and program lifecycle. The Senior Project Engineer will lead a multidisciplinary team responsible for managing consultant service agreements and task order programs that provide engineering support across all Engineering divisions.

Port Authority of New York and New Jersey

Senior Principal Engineer

Finally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. Thomson Reuters is seeking a hands-on Principal Software Engineer with deep, recent C#/.NET Core and AWS experience building large-scale distributed systems and cloud-native platforms , along with experience applying AI/ML, Generative AI, large language models (LLMs), retrieval-augmented generation (RAG), or agentic AI capabilities in production environments.

Thomson Reuters provides professionals with the intelligence, technology and human expertise they need to find trusted answers.

Thomson Reuters

Principal Software Engineer – .NET, AWS & AI

This position leads the development of fire protection engineering designs, studies, specifications, calculations, and drawings; coordinates with multidisciplinary and global project teams; manages specialty study subcontractors; and interfaces with clients and contractors. The Principal HSED Engineer - Fire Protection provides technical leadership and subject-matter expertise in fire protection engineering for oil and gas projects through Pre-FEED, FEED, and Detailed Design phases.

Technip Energies NV

Principal Engineer HSED - Fire Protection

Agile Methodology, Algorithms, Automation, Big Data Processing, Business Strategies, Cloud Based Services, Cloud Platform, Collaboration, Communication, Data Architecture Development, Data Systems, Distributed Systems, Distributed Systems Technologies, End-to-End Testing, Leadership, Mentorship, Problem Solving, Software Architectures, Strategic Planning, System Designs, Technical Leadership, Thought Leadership They shape how industries uncover critical insights, ensure compliance, advance access to justice and continuously evolve our platform using the latest technologies, including cloud-native architectures, AI capabilities, and modern developer tooling.

Principal Engineer Jobs in the United States

Principal Engineer, Electronic Hardware Design Ayar Labs

Principal Engineer – TSMS Packaging Eli Lilly and Company

Principal Engineer-Design Microchip Technology Inc

Principal Engineer Stanley Black & Decker, Inc.

Principal Engineer, Firmware Ayar Labs

Principal Engineer - Software Microchip Technology Inc

Principal Engineer - TSMS Packaging Eli Lilly and Co

Principal Engineer, Mobile Re:Car

Principal Engineer, Architecture & Compound Engineering (US) The Toronto-Dominion Bank

Principal Engineer NR Consulting LLC

Principal Engineer - Customer Domain & Customer Central PROLIM Global Corporation

Associate Principal Engineer - Salesforce Architect Sumeru Solutions

Principal Engineer - Retail Systems Lululemon Athletica Inc

Associate Principal Engineer, Systems Architecture Flex

Principal Engineer, Model Optimizations DigitalOcean

Principal Engineer - Agentic Security Operations (remote) First American Financial Corp

Senior Principal Engineer Port Authority of New York and New Jersey

Principal Software Engineer – .NET, AWS & AI Thomson Reuters

Principal Engineer HSED - Fire Protection Technip Energies NV

Principal Engineer Relativity

Similar Job Searches

See More Jobs

Stand out to leading employers.