Principal Software Engineer BlitzyPrincipal Software EngineerCambridge, MassachusettsWe are hiring a Principal Engineer to take full, hands-on ownership of Blitzy's most critical production-grade systems and to deliver high-leverage features that materially improve customer outcomes and engineering velocity. We're transforming how enterprises build software, turning enterprise requirements into production-ready code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work.
Principal Simulation Engineer The Charles Stark Draper LaboratoryPrincipal Simulation EngineerCambridge, MassachusettsActivities may include developing simulation requirements, writing and automating test plans, developing real-time hardware interfaces, integrating legacy software models, developing new software models with subject matter experts, integrating 3D visualization tools, and development and maintenance of an in house real time software framework. Simulation applications range from high-level behavioral simulations for visualization and evaluation of system concepts to high-fidelity real-time simulations and Hardware-in-the-Loop infrastructure to support development, integration, test, and sustainment of systems and software.
Principal Signal Processing Engineer STRPrincipal Signal Processing EngineerBoston, MA$206,000–$284,000 / yearMachine learning tasks such as natural language processing, image recognition, semantic segmentation, reinforcement learning, approaches such as Bayesian, deep convolutional and graph neural network methods, and tools such as PyTorch, Ray, TensorFlow/board, and MLflow . We collaborate with a dynamic group of research engineers across STR, academic researchers, and industry partners to develop practical and effective solutions to RF sensing and counter-sensing challenges.
Principal Software Engineer RTXPrincipal Software EngineerWoburn, MassachusettsAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. This role requires advanced technical expertise, leadership skills, and a demonstrated ability to drive innovation and foster collaboration across cross-functional teams.
Principal Asic Verification Engineer Cornelis NetworksPrincipal Asic Verification EngineerBoston, MARemoteCornelis Networks is hiring a Principal ASIC Verification Engineer with advanced skills and knowledge in key areas required to verify world-class SoCs to be deployed in high performance computing, high performance data analytics, and artificial intelligence interconnect solutions. A preferred candidate will have 10 + years of relevant experience in networking hardware verification, proven expertise in verifying one or more of the following: 50G, 100G, 400G Ethernet MAC/PCS protocols, UDP, TCP/IP, RDMA/RoCE, IPSec.
Principal Aerospace Engineer Enigma AerospacePrincipal Aerospace EngineerBurlington, MassachusettsBy combining a novel fixed-wing aircraft design with advanced mission and flight autonomy software, Enigma enables runway-independent resupply in vast, contested theaters and dramatically reduces the cost of commercial cargo delivery. In this role, you will have primary responsibility for the aircraft design, systems architecture, significantly contribute to the development and integration efforts, establish and manage vendor relationships, and help grow a high-performing technical team.
Principal Mechanical Engineer, Process Equipment Boston Materials, IncPrincipal Mechanical Engineer, Process EquipmentBillerica, MA$160,000–$190,000 / yearDesign and requisition mechanical machinery and components using CAD (SolidWorks preferred), ensuring design specifications are met, and manage design files, revisions, and workflows within a Product Data Management (PDM) system. 8+ years designing, building, and commissioning custom capital equipment in advanced materials, semiconductor packaging, battery, display, web converting, or other environments where the fidelity of a chemical or materials process must be preserved by the equipment design.
Principal Optical Engineer QuEra ComputingPrincipal Optical EngineerBoston, Massachusetts$151,200–$236,250 / yearThe Hardware Engineering Group at QuEra Computing is seeking strong candidates for a Principal Optical Engineer to serve as a senior individual contributor to the company’s mission of building state-of-the-art, manufacturable, and deployable neutral atom quantum computers. Work with physicists to understand requirements and architect optical systems, sub-systems, modules, and components to support QuEra’s neutral atom computers through the full development lifecycle (R&D, productization, maintenance, and beyond).
Principal Data Engineer CodaMetrixPrincipal Data EngineerBoston, Massachusetts$175,000–$200,000 / yearThe Data Platform team is responsible for executing the data strategy for the organization, ensuring high-quality external data is ingested into the Lakehouse and realized in powerful insights for internal and external customers, while ensuring ML/AI, BI and customer success teams have the data they need to develop and train their models, build insightful dashboards and design semantic layer. Cross-Functional Enablement & Mentorship - Enable ML, BI, Analytics, DevOps, and customer success and implementation teams with training data pipelines, model-ready datasets, feature store architecture, optimized views, dashboards, Tableau refreshes, infrastructure changes, and tenant onboarding.
Principal Mechanical Engineer, Process Equipment Boston MaterialsPrincipal Mechanical Engineer, Process EquipmentBillerica, MADesign and requisition mechanical machinery and components using CAD (SolidWorks preferred), ensuring design specifications are met, and manage design files, revisions, and workflows within a Product Data Management (PDM) system. 8+ years designing, building, and commissioning custom capital equipment in advanced materials, semiconductor packaging, battery, display, web converting, or other environments where the fidelity of a chemical or materials process must be preserved by the equipment design.
NewSenior Principal DevOps Engineer, Remote, Eastern or Central TimeZone Palo Alto NetworksSenior Principal DevOps Engineer, Remote, Eastern or Central TimeZoneMassachusettsRemoteFor candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below. This position is focused on accelerating developer productivity across the CI/CD lifecycle by building platform-oriented application infrastructures and tooling, focused across security, governance, and R&D efficiency.
NewPrincipal Engineer, Advanced Manufacturing Boston Materials, IncPrincipal Engineer, Advanced ManufacturingBillerica, MA$150,000–$200,000 / yearThis is a pivotal role at the intersection of materials development and production scale-up: you will work hand-in-hand with our equipment and process engineering teams to design and optimize production workflows, implement manufacturing execution systems, and build the operational infrastructure needed to take novel materials processes from the development environment into controlled, repeatable manufacturing. Working alongside leading experts in the field, you will take on new challenges, broaden your expertise, develop new capabilities, and take ownership of projects that matter - while contributing to the broader success of the organization.
NewPrincipal Engineer, Advanced Manufacturing Boston MaterialsPrincipal Engineer, Advanced ManufacturingBillerica, MAThis is a pivotal role at the intersection of materials development and production scale-up: you will work hand-in-hand with our equipment and process engineering teams to design and optimize production workflows, implement manufacturing execution systems, and build the operational infrastructure needed to take novel materials processes from the development environment into controlled, repeatable manufacturing. Working alongside leading experts in the field, you will take on new challenges, broaden your expertise, develop new capabilities, and take ownership of projects that matter – while contributing to the broader success of the organization.
Principal Software Engineer, Enterprise Scalability KlaviyoPrincipal Software Engineer, Enterprise ScalabilityBoston, MA$244,000–$366,000 / yearAI‑assisted scale engineering: AI‑driven anomaly detection reduces alert noise while improving signal; generative load testing and copilot runbooks are used in release/readiness checks for the top critical services; time‑to‑isolate regressions drops 20-30%. In addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Principal Mechanical Engineer, R&D WerfenPrincipal Mechanical Engineer, R&DBedford, Massachusetts$150,000–$185,000 / yearFull timeThe Principal Engineer brings strong experience in designing for a range of manufacturing processes and large-scale systems, contributes to product architecture decisions informed by customer and marketing inputs, and provides technical leadership by guiding project direction, influencing engineering practices, and mentoring junior engineers. This role applies advanced engineering principles, parametric CAD modeling (Creo preferred), simulation tools, and deep expertise in GD&T, tolerance analysis, and complex assemblies to deliver robust, manufacturable designs.
Principal, Industrial Engineer Waters CorporationPrincipal, Industrial EngineerMilford, MAWe collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Champion a physically and mentally safe environment for all employees and coworkers throughout ergonomics elements built-in the re-design of the manufacturing processes applying right-left hand definition and material distribution for optimal performance and employee’s safety.
Principal / Senior Principal Remediation Engineer Geosyntec Consultants, Inc.Principal / Senior Principal Remediation EngineerActon, MassachusettsFull timeGeosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. At times, job may also include fieldwork including multi-media environmental sampling, sediment sampling and characterization, drilling oversight, contractor oversight, and remediation system operations, maintenance, and construction.
Principal Process Engineer - API + OSD Barry-WehmillerPrincipal Process Engineer - API + OSDBoxborough, MA$170,000–$240,000 / yearResponsible as leading expert for Active Pharmaceutical Ingredients (APIs) and/or Oral Solid Dose (OSD) processing operations, regulatory guidance trends, evolving technology innovations, OEM supplier community partner, recognized industry expert through published/presented thought leadership and for launching and nurturing lifecycle client programs. Understanding and development of process construction documents including piping & instrument diagrams (P&IDs), equipment general arrangement drawings, piping plans inclusive of orthographic and isometric drawings, operator access platform and equipment support drawings, line lists, tie-in lists, installation specifications, bills of material (BOM), scopes of work, etc.
NewPrincipal Software Engineer - 3D Visualization (OpenGL) MedtronicPrincipal Software Engineer - 3D Visualization (OpenGL)Newton, MassachusettsYou'll lead architecture for the rendering pipeline (OpenGL, VTK, Qt/QML integration, GPU resource management, real-time performance), shape the long-term direction for how visualization scales to new clinical modalities and new hardware, and partner closely with UI/UX leaders, signals and algorithms leaders, and product to define what's possible. If you are applying to perform work for Medtronic, Inc. (“Medtronic”) in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.
Principal Software Engineer - UI/UX (Qt/QML) MedtronicPrincipal Software Engineer - UI/UX (Qt/QML)Newton, MassachusettsIf you are applying to perform work for Medtronic, Inc. (“Medtronic”) in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).