Top Principal Engineer Jobs in Boston, MA

This role involves designing and developing core modules for an enterprise-level clinical data platform, ensuring compliance with quality standards, and collaborating with teams for software development and testing.

Lead design and implementation of VaiDA mobile experiences: own architecture, build secure and performant native iOS/Android apps, integrate with AI/back-end services, ensure usability and accessibility, manage signing/provisioning and enterprise deployments (Intune), define testing and release standards, and collaborate across product, design, and engineering teams.

Design, implement, and validate DSP algorithms for licensable audio technologies (noise reduction, voice pickup, spatial audio, speech enhancement). Ensure algorithm robustness, portability, and scalability across embedded real-time platforms and partner products. Support integration, tuning, testing on hardware, evaluate third-party tech, and collaborate with systems, software, and product teams to enable partner delivery.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Lead high-leverage technical work across teams: define architecture and patterns, drive end-to-end delivery and operational excellence, ship AI-enabled systems, mentor engineers, set AI guardrails, and represent technical leadership internally and externally.

Design and implement music and voice processing algorithms in MATLAB/Simulink and deploy them as embedded real-time DSP software across multiple DSP platforms. Develop unit and system tests, collaborate with research and audio engineers, provide technical leadership and mentorship, and use lab tools (oscilloscopes, logic analyzers, emulators) to verify functionality.

Lead architecture, development, and delivery of high-performance embedded audio and DSP platforms. Define system-level design, translate audio algorithms (ANC/ANR, speech) to production, optimize real-time performance on DSPs and multi-core SoCs, enforce testing and best practices, and mentor engineering teams to deliver portable, reliable audio software.

Lead platform and system architecture for advanced audio and sound management across consumer and automotive products. Define system requirements, develop scalable architectures, guide trade studies, mitigate technical and safety risks, and drive cross-functional delivery from concept through launch using MBSE, analytical methods, and systems thinking.

The Senior Principal Engineer will architect digital data paths for high-speed CMOS ICs, develop calibration algorithms, and lead design integration for broadband communication systems.

Lead long-term strategy and architecture for cloud and on‑prem platform infrastructure, driving Kubernetes and multi‑cloud reliability, IaC/GitOps automation, observability, SLO/SLI/error‑budget practices, incident leadership, AI‑augmented tooling adoption, and mentorship of senior engineers to improve platform resilience and developer experience.

Lead DevEx strategy and execution across inner-loop and outer-loop developer experiences. Align platform, CI/CD, IDP, and SRE teams, define productivity metrics (DORA/DX), drive AI-enabled SDLC adoption, improve CI/CD reliability and predictability, and mentor engineering teams to scale developer productivity.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Lead design, build, deployment, and operation of highly resilient, high-throughput configuration and publishing systems. Define long-term architecture and strategy, mentor senior engineers, diagnose and fix performance bottlenecks, and leverage AI tools to improve engineering productivity and platform capabilities.

As a Principal Engineer - Steam Turbine, you will lead steam turbine engineering activities, mentor junior engineers, and support business development efforts while participating in client meetings and conferences.

Lead semiconductor laser testing and Burn-In operations, focusing on capacity planning, equipment development, and cross-functional collaboration. Oversee die-level optoelectronic testing, manage vendor relationships, and define operational strategies for high-volume manufacturing.

The Principal Engineer provides technical leadership for engineering productivity, influences platform direction, and improves developer experience through assessment and implementation of solutions across teams.

As a Principal Engineer, you will set the engineering vision, lead technical direction, and drive strategy across enterprise platforms, focusing on developer experience and scalability. Responsibilities include designing solutions, collaborating across teams, establishing engineering standards, and mentoring other engineers, all while ensuring alignment with broader business goals.

The Principal Engineer will architect and develop scalable AI-driven data platforms, mentoring engineers and aligning technical strategies with business goals.

The Senior Kubernetes Engineer will manage and enhance Kubernetes clusters, automate deployments, ensure security, and collaborate with teams to deliver reliable containerized applications.

Lead technical direction with the CTO, architect and build high-scale distributed systems, mentor engineers, ship product roadmap, manage cloud infrastructure and orchestration, enforce CI/CD, testing and fault-tolerance, and collaborate with product and business teams while leveraging AI/ML frameworks.

As a Principal Mixed Signal Design Engineer, you lead the design of complex mixed-signal integrated circuits, drive architecture decisions, mentor engineers, and influence technology direction at ADI.

Serve as technical authority for mixed-signal IC architecture and design, lead complex projects from concept to production, integrate analog and digital IP, drive methodology innovation, mentor engineers, and influence product and technology roadmaps.

Senior individual contributor owning system integration and operational readiness for fiber and wireless product launches. Leads ORT, defines end-to-end BSS/OSS integrations, drives automation and vendor coordination, presents business cases to leadership, and ensures scalable subscriber transitions and platform migrations.

As a Principal Engineer, you'll lead large projects, design architecture, debug production issues, and mentor staff while shaping future-proof interfaces.

Lead design and delivery of flight-critical power electronics for the X-BAT aircraft, including inverters, DC-DC converters, and battery management. Own full hardware development cycle, drive PCB layout, harden designs for harsh environments, mentor engineers, lead reviews, and manage program timelines through production.