Top Principal Engineer Jobs in Boston, MA

Provides principal-level engineering support for Air Force network and communications systems. Responsibilities include planning, designing, integrating, testing, operating, and maintaining wired, wireless, and Private 5G infrastructure. The role supports RF, 5G Core, gNodeB, network architecture, switching, routing, NAC interoperability, capacity and performance monitoring, backup and recovery, operating system maintenance, and cybersecurity policy implementation in a DoD environment.

Principal Frontend Engineer responsible for defining and governing large-scale frontend architecture across clinical applications. Leads modernization from fragmented systems to a React-based platform using JavaScript, TypeScript, Node.js, GraphQL, and shared component standards. Drives migration strategy, technical governance, performance improvements, AI-assisted development tooling, and cross-team alignment while mentoring engineers. Advises on CI/CD, AWS infrastructure, Oracle integrations, legacy Perl utilities, security, hiring, and long-term workforce planning.

Designs, develops, and optimizes embedded firmware for microcontroller-based motion control systems. Responsibilities include bare-metal and RTOS development, motor and sensor interfaces, low-level drivers, hardware bring-up, board-level debugging, peripheral integration, performance optimization, documentation, design reviews, and mentoring junior engineers.

Leads electrical engineering projects from concept through production, designing PWM amplifiers, power converters, power supplies, and embedded hardware/software. Develops microprocessor and FPGA solutions, performs circuit simulation and validation, oversees PCB design, and tests prototypes using laboratory equipment. Ensures manufacturability, reliability, and performance while collaborating with cross-functional engineering teams.

Leads architecture, technology strategy, and execution for FMI’s CRM and Ordering Management transformation. The role directs migration from Microsoft Dynamics 365 to Salesforce, defines transition and future-state architectures, oversees integrations, data migration, governance, security, and platform roadmaps, and establishes modern engineering practices. It also mentors engineering teams, drives DevSecOps, CI/CD, automated testing, AI-assisted development, and reliable delivery across enterprise platforms including LIMS, billing, and medical reporting systems.

Leads the strategy, architecture, and operation of Kubernetes-based cloud and on-premise infrastructure. Drives reliability engineering, Infrastructure as Code, GitOps, observability, automation, incident response, capacity planning, and cost optimization. Leads cross-functional platform initiatives, establishes SLOs and error budgets, mentors engineers, and advances AI-enabled engineering practices across the organization.

Develop and enhance Onshape’s full-stack collaborative CAD platform, including user interface, backend services, modeling workflows, performance optimization, and large-scale data handling. Collaborate with product, UX, and QA teams, participate in code reviews, resolve defects, and provide technical guidance on system design and implementation.

Leads systems engineering and mission engineering for complex integrated hardware/software and system-of-systems programs. Explores architectures and design trade spaces, performs simulation-based performance analysis, defines architectures using digital engineering and MBSE, manages technical risks, leads teams, briefs sponsors, develops R&D proposals, establishes best practices, and mentors engineers.

Owns resilience, performance, scalability, and operational cost improvements for a cloud-native platform. Designs and delivers full-stack solutions, builds monitoring and analysis capabilities, performs architectural and code reviews, and resolves complex production issues. The role requires pragmatic modernization judgment, AI-assisted development experience, customer or user accountability, and participation in a weekend on-call rotation.

Lead design and delivery of high-voltage substation and SCADA systems for datacenter projects. Oversee specifications, consultant management, utility interconnection, equipment procurement, testing/commissioning, and EMT modeling support. Collaborate with global teams, vendors, and operations to ensure compliance with Microsoft technical standards.

Lead architecture and hands-on development for Microsoft's virtualization platform, focusing on hypervisor and VMM capabilities. Design, implement, and optimize systems software across Windows, Linux, macOS, Azure, and containers. Improve performance, security, reliability, testing, and operational readiness; diagnose low-level hardware/software issues; enable virtualization on new silicon; mentor engineers; and influence platform strategy across teams and hardware partners.

Design and operate large-scale, AI-native cloud infrastructure (especially Kubernetes/AKS). Improve service quality, automate incident prevention/remediation, accelerate engineering productivity, and integrate AI tools into development workflows.

Designs, deploys, maintains, and secures cloud solutions across AWS, Azure, GCP, and OCI. Develops automation using Bash, PowerShell, and Python; monitors and tunes cloud platforms; maintains documentation and operating procedures; advises implementation teams; supports migrations and infrastructure buildouts; resolves escalations; and collaborates with internal and external stakeholders.

Lead architecture and hands-on development of Azure Kubernetes Service capabilities for AI workloads. Design secure, reliable, scalable distributed systems; coordinate engineering teams; define testing and deployment strategies; improve observability and operational readiness; investigate production issues; and mentor engineers while advancing engineering practices.

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.

Build and improve Azure Kubernetes Service capabilities for Linux and Windows containers. Develop distributed cloud infrastructure, automation, observability tooling, and reliability improvements at global scale. Support AI-native infrastructure, including GPU orchestration, model deployment, inference, and platform operations. Accelerate engineering workflows, prevent production incidents, integrate AI tools, and contribute to Kubernetes and cloud-native platform innovation.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

Leads the architecture, design, and implementation of Vertica’s core database engine. Drives innovations across query optimization, distributed execution, storage, concurrency, scalability, and performance using C++. Defines long-term technical strategy, architects complex distributed database features, guides testing, collaborates with customers and cross-functional teams, mentors engineers, and influences product roadmaps. Requires deep database internals expertise, large-scale systems experience, and strong technical leadership.

Designs and leads large-scale software subsystems, architecture, coding standards, code reviews, debugging tools, performance optimization, refactoring, and QA automation. Guides business and technical solution definition, evaluates production readiness using objective metrics, and develops web content management, workflow automation, integrations, and database solutions. The role is telecommuting eligible throughout the United States.

Develop and implement scalable software solutions for banking operations. Design distributed service-based applications with strong security, maintainability, scalability, and availability. Work with AWS, Azure, CI/CD, big data, and multiple programming languages and front-end frameworks. Improve application performance, address vulnerabilities, collaborate with stakeholders, support Agile practices, mentor junior engineers, conduct code reviews, and maintain technical documentation.

Leads architecture, technical direction, and hands-on development of robotic manipulation software. Develops motion planning, kinematics, control, multi-arm coordination, simulation, hardware integration, and distributed-system interfaces. Oversees testing, deployment, production support, troubleshooting, design reviews, and engineering standards while mentoring engineers and coordinating with multidisciplinary teams.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Provides technical leadership for Bluehost’s large-scale hosting platform. Sets architecture standards, designs Python and MySQL backend systems on Linux, modernizes Perl and cPanel integrations, and drives reliability engineering practices. Leads complex incident root-cause analysis, establishes AI-augmented delivery standards, mentors senior engineers, and shapes multi-quarter technical roadmaps across the organization.

Leads new product introduction manufacturing for complex FDA- and ISO-regulated electromechanical medical equipment. Oversees design transfer, manufacturing readiness, DFM/DFA, process development, validation, tooling, automation, testing, troubleshooting, and commercialization. Coordinates cross-functional engineering, quality, regulatory, supply chain, and manufacturing teams; establishes process metrics; and provides technical leadership and mentorship without direct people-management responsibility.