Top Principal Engineer Jobs in Boston, MA

Own validation strategy and end-to-end testing for robotic hardware, including PCBAs, actuators, grippers, and robotic arms. Design automated test equipment, fixtures, and reusable infrastructure; execute functional, environmental, stress, and reliability testing; investigate failures; and drive corrective actions. Lead certification activities, documentation, and cross-functional testability improvements while mentoring engineers and informing hardware release decisions.

Staff and Principal Software Engineers will own large technical domains end to end, making architecture decisions, building scalable backend systems, improving reliability and performance, and collaborating with product, leadership, and customers. Responsibilities include mentoring engineers, driving cross-team technical decisions, and shipping production solutions. Potential areas include AI telemetry, billing ingestion, cloud data infrastructure, integrations, identity, cost optimization, and customer-facing applications.

Leads systems engineering for a safety-critical surgical robotic platform across its product lifecycle. Defines system architecture, requirements, interfaces, risk management, verification strategies, and design controls. Coordinates hardware, software, controls, mechanical, clinical, quality, manufacturing, and V&V teams. Supports regulatory submissions, reliability, design transfer, product launches, nonconformance investigations, CAPA, and post-market activities while applying MBSE and UML methods.

Leads software test development, algorithm design, system architecture, requirements analysis, technical documentation, and risk mitigation for mission-oriented projects. The role independently solves complex customer problems, communicates with stakeholders, serves as a subject matter expert, and leads a multidisciplinary engineering team through design, testing, deployment, and delivery in an Agile environment.

Own the architecture, roadmap, security, and operation of Lila’s global multi-site network spanning corporate, laboratory, and OT environments. Design SD-WAN/SASE, firewalls, segmentation, remote access, monitoring, and IT/OT convergence. Lead migrations, incident escalations, vendor and MSP management, technical standards, runbooks, and network engineering capability development. Mentor engineers and advise leadership on reliability, security, cost, and delivery tradeoffs.

Build scalable AI capabilities for Fidelity Wealth, partnering with business, product, architecture, data, and platform teams. Develop secure, reliable, production-ready solutions; apply modern software architecture, cloud platforms, testing, and design patterns; lead technical discussions; mentor engineers; and deliver end-to-end full-stack systems.

Build and maintain content ingestion pipelines, migrate legacy Perl systems to Python and containerized services, implement durable workflows, troubleshoot production issues, and apply AI, ML, NLP, and LLMs to content processing. The role also spans backend services and customer portals using PHP and React/TypeScript, requiring strong production engineering judgment, operational skills, collaboration, and ownership from problem discovery through deployment.

Lead analog and mixed-signal circuit design for semiconductor chips, owning major architecture areas from concept through fabrication. Design circuits, create physical layouts, perform DRC, ERC, and LVS checks, and collaborate across engineering disciplines. Characterize returned silicon using bench test equipment. The role requires CMOS expertise, Cadence simulation proficiency, multiple fabricated chips, and a master’s or PhD in Electrical Engineering.

Leads complex infrastructure migrations, systems integration, enterprise troubleshooting, security tool deployments, infrastructure-as-code automation, and performance engineering. Investigates outages using packet analysis, log correlation, and kernel debugging across Windows, Linux, and Cisco environments. Requires advanced network and systems expertise, federal or defense experience, high-level certifications, a technical degree, and Secret or potentially Top Secret clearance.

Design and simulate advanced digital ASICs from architecture and RTL through synthesis, optimizing performance, power, and cost. Lead complex chip designs, evaluate algorithm feasibility, guide physical layout and design-for-test activities, and contribute to system-level design and proposals. Develop specifications, solve ambiguous technical problems, mentor engineers, and lead multidisciplinary teams. The role requires advanced semiconductor design expertise, successful tape-out experience, and an active U.S. Secret clearance with onsite work in Cambridge, Massachusetts.

Build and operate scalable AWS cloud infrastructure for GenAI investment research products. Responsibilities include managing containerized applications, developing infrastructure as code, optimizing CI/CD pipelines, monitoring reliability and security, automating operations, establishing disaster recovery and service objectives, participating in incident response, and contributing to Python/FastAPI microservices. The role collaborates across engineering, data science, and product teams and requires on-call participation.

Leads backend software design and delivery for a healthcare revenue cycle product. Owns system architecture, technical decisions, reliability, testing, observability, and production readiness across an enterprise monolith and newer platform services. Establishes engineering standards, mentors engineers, collaborates with product and architecture teams, and guides responsible adoption of AI-assisted development tools.

Develop and maintain automated build, testing, packaging, and deployment processes for Java applications. Manage CI/CD pipelines, dependencies, containers, cloud infrastructure, and configuration management. Troubleshoot build and deployment failures, integrate quality checks, optimize release processes, and collaborate with development, QA, and operations teams to deliver reliable software releases.

Owns VM and fleet test strategy, performance quality gates, and hypervisor validation for an IaaS platform. Designs reproducible bare-metal-like test environments, develops automated performance benchmarks and regression gates, validates SLOs and deployment safety, and builds test harnesses and analysis pipelines in Go, Python, and Perl. The role requires deep expertise in virtualization, Linux systems, performance engineering, statistical analysis, and cross-architecture debugging.

Lead end-to-end technical initiatives for an IoT cloud platform, shaping architecture, strategy, and roadmap. Build and scale React/TypeScript frontends, Python backends, cloud infrastructure, databases, and data systems. Improve developer experience, operate production systems, establish engineering standards, mentor engineers, and influence technical direction across teams. Collaborate closely with product and design while delivering reliable systems for monitoring, debugging, and updating connected devices.

Design and develop ruggedized electro-mechanical systems through concept exploration, trade studies, prototyping, testing, and delivery. Collaborate with multi-disciplinary teams, produce technical reports, and ensure designs meet harsh-environment and performance requirements.

Lead the design and implementation of a distributed compute control plane for managing virtual machines across Akamai’s cloud fleet. Own database partitioning and sharding, placement reconciliation, asynchronous operations, consistency guarantees, idempotency, fencing, and saga-style workflows. The role requires deep distributed systems, database, containerization, Kubernetes, and controller-pattern expertise, along with strong Python or Go development skills.

Develops and prototypes analog and digital hardware for advanced medical technologies. Translates customer and system needs into hardware requirements, creates electrical designs, supports hardware/software integration, develops verification plans, and transitions feasible prototypes into product development. Provides technical leadership, identifies engineering risks, collaborates cross-functionally with clinical, regulatory, quality, manufacturing, and product teams, and recommends solutions for complex electronics challenges.

Provide technical direction for GitLab Dedicated, a managed single-tenant SaaS platform. Lead architecture and transformation across resilience, failover, tenant orchestration, change management, automation, and platform integrations. Identify systemic reliability and scalability risks, establish reusable platform patterns, strengthen service ownership, and guide cross-team technical decisions. Mentor senior engineers and advance engineering excellence across the organization.

Develop and advance ServiceNow ITSM workflows, automations, scoped applications, service catalogs, CMDB structures, integrations, and platform governance. Configure and troubleshoot REST/SOAP APIs, IntegrationHub, MID Servers, data imports, upgrades, cloning, and Automated Test Framework execution. Collaborate with product owners and technical stakeholders in Agile/Scrum environments, contribute to solution design and proposals, lead ceremonies, mentor staff, estimate work, and improve delivery methodologies.

Lead as a customer‑embedded principal engineer to design, build, and ship production-grade solutions. Translate business needs into technical approaches, influence senior stakeholders, accelerate delivery in ambiguous environments, and transition work to FDE crews while driving long-term account impact.

Leads software design and development for Windows Core OS services and platforms. Partners with stakeholders to define requirements, identifies dependencies, creates design documents, and mentors engineers in producing maintainable code. Drives cross-product project and release planning, serves as a designated responsible individual, participates in on-call operations, and improves system availability, reliability, observability, efficiency, and performance.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Leads enterprise-wide quality engineering and automation strategy, designing scalable test frameworks, reusable automation platforms, CI/CD integrations, and AI-powered testing capabilities. Establishes standards, architectures, and best practices while supporting web, mobile, API, microservices, cloud-native, and distributed applications. Provides technical mentorship, partners with engineering and DevOps teams, improves testing effectiveness and reliability, and drives adoption of intelligent automation, predictive quality analytics, and continuous testing practices.

Leads architecture, development, testing, and deployment of hyperscale distributed storage systems optimized for AI and machine learning workloads. Drives innovations in scalability, performance, security, durability, and efficiency; collaborates with AI and cloud infrastructure teams; mentors engineers; and evaluates emerging technologies for AI-native storage.