Principal Engineer Jobs

Lead design and implementation of high-volume, low-latency API services for a public-cloud, multi-tenant security management platform at Palo Alto Networks.

Lead development of advanced image processing, detection, and tracking algorithms for novel airborne infrared sensors on Anduril’s Lexington imaging team.

Senior Principal Manufacturing Engineer needed to lead advanced manufacturing research, provide technical direction, and support prototype-to-production efforts for JLG, an Oshkosh company.

Lead personalization strategy and build production-scale ML systems at Launch Potato to drive measurable advertising and content conversion improvements.

Lead personalization strategy and architecture at Launch Potato, building large-scale ML systems and driving technical innovation that improves user discovery and conversion.

Lead Launch Potato’s personalization vision as a Principal ML Engineer, architecting and shipping large-scale recommender systems that serve billions of predictions and directly impact business KPIs.

Lead Launch Potato’s personalization strategy and architecture as a Principal ML Engineer, designing and shipping large-scale recommender systems that drive billions of predictions and measurable business impact.

DTEX Systems is hiring a Senior/Principal OpenSearch Engineer to design and optimize large-scale, cloud-hosted search clusters and drive performance improvements for IRM and DLP products.

Northrop Grumman is hiring a Logistics/Principal Logistics Engineer to oversee lab asset management, material procurement, and supply-chain coordination for defense programs in Linthicum, MD.

Lead technical direction and delivery for full‑stack, large‑scale Search applications at Yahoo, driving architecture, performance and team excellence.

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Senior technical leader role building and scaling enterprise SaaS cloud applications with hands-on full-stack development, architecture influence, and engineering mentorship at Veeva Systems.

Senior Principal Mechanical Engineer needed to lead mechanical design, hardware development, and project coordination for Cubic Defense's secure communications systems in San Diego.

Principal Engineer to drive architecture and hands-on development of scalable energy software platforms (PPC/HEMS/SCADA) for a leading global engineering and technology firm.

Lead software systems engineering efforts for the C2BMC missile defense program, producing system and software artifacts and delivering integrated software solutions on-site in Colorado Springs.

Lead end-to-end board hardware architecture and validation for high-speed semiconductor platforms at Marvell’s Multimarket Business Group in Santa Clara.

Streamline Healthcare Solutions seeks a Senior Principal Software Engineer to architect and implement scalable EHR data, ETL, and EDI solutions using SQL Server, SSIS, and Azure Data Factory to support behavioral health and RCM workflows.

Lead the technical direction for personalization at Launch Potato as a Principal ML Engineer, designing large-scale, real-time ML systems and driving cross-functional ML strategy.

Lead the technical vision for personalization and optimization as Principal ML Engineer at a fast-growing, performance-driven digital media company.

Lead and mature AbbVie's ISRM metrics platform as a Principal Data Engineer, building cloud ELT pipelines, analytics, and Power BI reporting to deliver trusted security insights.

Lead the design and implementation of Linux-based control and data software for laboratory instruments at AbbVie, collaborating with scientists and engineers to deliver validated, production-ready solutions.

Experienced advanced energy engineering leader needed to drive ultrasonic and RF device design and integration for Intuitive's robotic surgical systems.

Senior/Principal Software Engineer needed to lead cloud-native architecture, implement robust AI/data retrieval platforms, and be the division's go-to technical expert in Raleigh, NC.

Western Digital seeks an experienced Principal Process Engineer - Thin Film to lead deposition process optimization, failure analysis, and production support at its Fremont wafer fabrication facility.

AbbVie is hiring a Principal Instrumentation Software Engineer to lead design and development of Windows- and Linux-based software that controls and integrates laboratory instrumentation in their Madison facility.

Tendo seeks a Principal Data Engineer to architect and implement robust ETL pipelines and data warehouses that power analytics and machine learning for healthcare products.

Lead design and deployment of advanced conveyance and sortation systems at GE Appliances’ Louisville campus to ensure efficient, scalable material flow between manufacturing and warehousing.

Lead the engineering effort to convert state‑of‑the‑art AI research into production‑ready open‑source components and platform integrations for Red Hat's AI offerings.

Lead cross-functional engineering teams to define technical vision, deliver scalable cloud-native systems, and drive adoption of modern development practices at Planet Fitness.

Lead the design and delivery of scalable, cloud-native data platforms and pipelines at CVS Health to power analytics and data science across the organization.

Lead QA strategy and a team of engineers at a fast-scaling digital product engineering firm to ensure robust testing, automation, and high-quality releases.

Lead delivery of large-scale Agile projects as an Associate Principal Engineer — Project Manager at a global digital product engineering company.

Palo Alto Networks seeks a Principal Software Engineer to design and implement scalable backend services for the cloud-native Prisma Access security platform.

Lead the architecture and build the core stablecoin treasury and settlement platform at an early-stage AI-native financial institution, owning technical strategy and delivery.

SpruceID is hiring an experienced Principal Forward Deployed Engineer to lead architecture, delivery, and customer-facing technical strategy for digital identity projects across U.S. state governments.

Lead architecture and delivery of large-scale ML and LLM systems at Provectus, driving infrastructure design, presales engagement, and practice growth for enterprise clients.

Experienced hardware leader to drive design, validation, and manufacturing of Arable's next-generation environmental sensing platforms while building long-term hardware capability.

Lead AI-driven test automation and design agentic features to accelerate validation and reliability of Prisma SASE at Palo Alto Networks.

CesiumAstro is hiring a Principal Systems Engineer I to lead systems engineering for space-based communication payloads, from requirements and CONOPS to architecture and risk mitigation.

Lead test strategy and execution for Anduril’s Connected Warfare programs, managing multi-site developmental and operational test campaigns to validate integrated hardware/software system performance.

Drive a global DevOps migration and engineering excellence program at Unum as Principal Software Engineer, delivering scalable CI/CD, automation, and GenAI-enabled solutions across the enterprise.

Lead and operationalize comprehensive safety strategies for SPARC and ARC at Commonwealth Fusion Systems to ensure safe design, construction, and operation of advanced fusion projects.

Lead design and implementation of scalable backend services and real-time data pipelines for IoT security at a market-leading cybersecurity company.

Lead the creation and validation of scalable cloud and hybrid security reference architectures that make Wiz’s platform easy to adopt across enterprise customers.

Lead architecture and implementation of resilient DevOps tools and internal platforms for Palo Alto Networks' Cortex organization, driving performance, security, and operational excellence.

Palo Alto Networks is hiring a Sr Principal Software Engineer to lead backend and model-serving infrastructure development for ATP Cloud services in Santa Clara, focusing on scalable, high-performance cloud-native systems.

CesiumAstro is hiring a Principal Software Cyber Security Engineer I to lead anti-tamper and embedded cybersecurity design and implementation for DoD-focused satellite and RF systems.

Lead cross-functional engineering projects at CesiumAstro as Principal Responsible Engineer I, driving development and delivery of advanced satellite communication payloads.

Principal Founding Full Stack Software Engineer needed to lead full-stack development and architecture for Voker’s LLM-focused developer platform in-office in Woodland Hills, Los Angeles.

Skydance Interactive is hiring a Principal Gameplay Engineer to lead architecture and implementation of major gameplay systems using C++, Blueprints, and Unreal Engine.

Lead development and optimization of next-node 3D NAND dry etch processes at Solidigm, delivering manufacturable, cost-effective process technology and measurable yield improvements.