Principal Analog Mixed Signal ASIC Layout Engineer GCR Professional ServicesPrincipal Analog Mixed Signal ASIC Layout EngineerCambridge, MassachusettsRemoteContractorA successful candidate will assist ASIC development through creating custom analog layouts, floor planning entire chips, high level problem solving, and executing tape outs. ¿ Perform or guide physical layout, including floor-planning, and simulate circuits using extracted parasitic, contribute to design-for-test development.
Principal Engineer, Core Infrastructure KlaviyoPrincipal Engineer, Core InfrastructureBoston, MA$244,000–$366,000 / yearIn 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. AI‑enabled platform: Approved AI tooling is integrated into IDE/CI/CD with repo policies and auditability; ≥70% MAU among eligible engineers; MTTR down 20–30% via AI‑assisted triage; flaky‑test rate decreases through targeted, AI‑suggested fixes.
Principal Radar Systems Engineer GCR Professional ServicesPrincipal Radar Systems EngineerWoburn, MassachusettsContractorClient is focused on delivering National Defense capabilities by driving mission-focused strategies to develop advanced technology systems enabling enduring products and solutions focused on achieving the customer vision. Applicants are expected to be self-motivated, detail oriented and have a demonstrated ability to effectively communicate with all levels of management and individual contributors on the program team through strong written and verbal communication skills.
NewSystems Engineer, Principal - TS DCS CorporationSystems Engineer, Principal - TSBedford, MA$123,639–$194,000 / yearC3BM’s main efforts are Architecture and Systems Engineering (ASE), Operational Response Team (ORT), and multiple mission integration teams such as Air, Maritime, and multiple acquisitions consisting of both the Advanced Battle Management System (ABMS) and Space. The MIT is responsible for translating operational requirements into technical solutions, developing integrated architecture, assessing risks, supporting acquisition execution strategies, and coordinating test and evaluation activities to ensure capabilities are delivered to operational users.
NewCybersecurity Engineer, Principal DCS CorporationCybersecurity Engineer, PrincipalBedford, MA$142,188–$225,000 / yearThe Air Force Program Execution Office for Intelligence, Surveillance, Reconnaissance and Special Operations (PEO ISR SOF) has the collective Air Force Materiel Command (AFMC) mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the ISR SOF portfolio, which includes over 200 programs for the United States Air Force (USAF) and foreign allies. Lead development and review of system security documentation including System Security Management Plans, Program Protection Plans, Security Risk Analyses, OPSEC Plans, and security CONOPS in accordance with DoDI 5000.02,
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 Engineer (Electrical) Fresenius Kabi AGPrincipal Engineer (Electrical)North Andover, MA$115,000–$135,000 / yearThis position is a technical role within the hardware development team contributing to new and existing electrical systems in Ivenix products to achieve performance goals and business objectives. Final pay determinations will depend on various factors, including, but not limited to experience level, education, knowledge, skills, and abilities.
Principal Electrical Engineer Enel SpAPrincipal Electrical EngineerMA$161,336–$242,040 / yearEnel Green Power, the Group's renewables arm, has a total capacity of approximately 68 GW and a generation mix that includes wind, solar, geothermal, and hydroelectric power, as well as energy storage facilities, installed in Europe, the Americas, Africa, Asia, and Oceania. Enel Grids, the Group's global business line dedicated to the management of the electricity distribution service worldwide, delivers electricity through a network of 1.9 million kilometers with more than 69 million end users connected to its distribution grids.
NewPrincipal Electrical Engineer The Fountain Group LLCPrincipal Electrical EngineerWestford, MA$50–$71 / hourBy applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from and its affiliates, and contracted partners. May conduct design analysis on components and/or assemblies to assist in the development process by ensuring designs are cost efficient, manufacturable, and reliable.
Principal Engineer Yield & Product Infineon Technologies AGPrincipal Engineer Yield & ProductMAKnowledge of silicon product manufacturing process, including wafer fabrication, wafer probe testing, device assembly, and final electrical testing as they pertain to meeting datasheet specifications, yields, and PPM. As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT.
Lead Principal Engineer Applications Infineon Technologies AGLead Principal Engineer ApplicationsMAAs a Lead Principal Engineer Applications in our Customer Collaboration and Technical Marketing team, you work hand-in-hand with our customers, enabling them to transform our products into cutting-edge designs, all while building longlasting partnerships that thrive on success. BSEE or MSEE preferred with hands-on experience in high-frequency,high-current, high-density DC/DC designs including extensive lab skills for testing and debugging switch-mode power supplies.
Principal Engineer, Transmission System Planning (Hybrid Schedule) Eversource EnergyPrincipal Engineer, Transmission System Planning (Hybrid Schedule)MA$150,890–$167,660 / yearThe Principal Engineer must have extensive experience with modeling and planning the bulk electric power system, exhibit strong technical skills to apply to long-range load forecasting, testing and planning, and leverage company and industry data to anticipate optimal design for infrastructure improvements such as AC transmission lines, battery storage, FACTS devices, Inverter-Based Resources (IBR), etc. departments, such as: UG and OH engineering, Substation Technical, Distributed Energy Resource (DER), Operations, and other departments to understand and mitigate electric system needs, challenges, and enable reliable future growth.
Principal Engineer Transmission System Planning (Hybrid) Eversource EnergyPrincipal Engineer Transmission System Planning (Hybrid)MA$146,500–$162,780 / yearThe Principal Engineer must have extensive experience with modeling and planning the bulk electric power system, exhibit strong technical skills to apply to long-range load forecasting, testing and planning, and leverage company and industry data to anticipate optimal design for infrastructure improvements such as AC transmission lines, battery storage, FACTS devices, Inverter-Based Resources (IBR), etc. • Interface with ISO-New England, area transmission owners, and Eversource departments, such as: UG and OH engineering, Substation Technical, Distributed Energy Resource (DER), Operations, and other departments to understand and mitigate electric system needs, challenges, and enable reliable future growth.
Principal Electrical Engineer Evolv Technologies IncPrincipal Electrical EngineerWaltham, MA$148,000–$240,000 / yearIn accordance with state and local pay transparency laws-including those in California, Colorado, Massachusetts, New York, New Jersey, and others-we disclose salary ranges in all job postings and provide additional information upon request. This role is ideal for an engineer who thrives at the intersection of analog, highspeed digital, mixed signal, and system integration, and who enjoys solving ambiguous problems by turning constraints into clear, robust designs.
Principal Electrical Engineer SharkNinja Operating LLCPrincipal Electrical EngineerNeedham, MA$131,300–$185,000 / yearPowered by two trusted, global brands, Shark and Ninja, the company has a proven track record of bringing disruptive innovation to market and developing one consumer product after another has allowed SharkNinja to enter multiple product categories, driving significant growth and market share gains. You will play a critical role in shaping electrical and embedded system architecture, driving engineering excellence, and guiding cross-functional teams to deliver innovative consumer products from concept through high-volume production.
Principal Electrical Engineer Thales Defense & Security IncPrincipal Electrical EngineerBillerica, MA$149,988–$191,652 / yearLead small digital engineering teams and/or work independently to define requirements, conceive, document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, oversee PCB layouts, perform verification testing, debug, and optimize digital circuit designs to meet requirements at the circuit, card, and product levels. With over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities.
Energy Regulations and Standards Senior Principal Engineer Dell Technologies IncEnergy Regulations and Standards Senior Principal EngineerHopkinton, MA$138,400–$190,300 / yearFacilitation skills to lead meetings and achieve consensus with multi-stakeholder groups inside and outside the company; Ability to build effective teams, lead extended teams, and meet deadlines. Regularly review the business factors associated with your product energy programs including competitive environment, product features, positioning in the portfolio & in the market, financials, supply/demand environment, quality, schedule, and program risks.
NewPrincipal Electrical Engineer ICONMA, LLCPrincipal Electrical EngineerWestford, MA$59.15–$63.38 / hourResponsibilities: May conduct design analysis on components and/or assemblies to assist in the development process by ensuring designs are cost efficient, manufacturable, and reliable. Communicates with the other engineering personnel to coordinate the interrelated design and assure project completion.
Senior Principal Engineer, Systems Design/Architecture Engineering Analog Devices IncSenior Principal Engineer, Systems Design/Architecture EngineeringWilmington, MA$184,030–$266,485 / yearSenior Principal Engineer, Systems Design/Architecture Engineering About the Role: The ADI Industrial Architecture Team is seeking an experienced Senior Principal Engineer, Systems Design/Architecture Engineering with mixed signal and RF CMOS IC design and architecture experience. #LI-CC1 For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
Principal Engineer, State Estimation (R4602) Shield AI IncPrincipal Engineer, State Estimation (R4602)Boston, MA$270,000–$400,000 / yearThis role requires deep expertise in state estimation theory, extensive practical experience implementing ownship navigation systems in the aerospace domain, and strong software development skills for production-quality navigation code. The engineer will design and implement a unified navigation architecture that supports traditional GNSS/IMU fusion while being extensible to all-source navigation strategies incorporating diverse sensing modalities for GPS-degraded and denied environments.
Principal Electrical Engineer - Failure Analysis RTX CorpPrincipal Electrical Engineer - Failure AnalysisMAOperate the available laboratory equipment such as microscopes, oscilloscopes, power supplies, multimeters, LCR analyzers, curve tracers, semiconductor parameter analyzers, spectrum analyzers, network analyzers, frequency generators, signal generators, power meters, hi-pot testers, megohmmeters, laser millers, plasma etchers, chemical jet etchers, bond puller, etc. The position requires the ability to work through each step of an analysis, which may include external visual photo-documentation, electrical test, non-destructive troubleshooting, environmental testing, x-ray evaluation, destructive testing, decapsulation, cross-sections, internal visual photo-documentation, scanning electron microscope (SEM) evaluation, and writing a detailed final report.
Senior Principal Engineer, Digital Design Engineering Analog DevicesSenior Principal Engineer, Digital Design EngineeringWilmington, MassachusettsThe ADI Industrial Architecture Team (Wilmington, MA) is seeking an experienced Senior Principal Digital Design Engineer with extensive experience architecting digital data paths for high speed, mixed-signal CMOS ICs. A demonstrated track record of driving industry-leading performance and innovation, as manifested through patents, peer-reviewed publications and/or industry-leading product leadership, is required.
NewSenior Principal Engineer, Systems Design/Architect Analog DevicesSenior Principal Engineer, Systems Design/ArchitectWilmington, MassachusettsADI combines analog, digital, AI, and software technologies into solutions that combat climate change, reliably connect humans and the world, and help drive advancements in automation and robotics, mobility, healthcare, energy and data centers. For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
NewPrincipal Electrical Engineer IconmaPrincipal Electrical EngineerWestford, MA$59.15–$63.38 / hourResponsibilities: May conduct design analysis on components and/or assemblies to assist in the development process by ensuring designs are cost efficient, manufacturable, and reliable. Communicates with the other engineering personnel to coordinate the interrelated design and assure project completion.
Mechanical Principal Engineer - AI Technologies Dell Technologies IncMechanical Principal Engineer - AI TechnologiesFranklin, MA$145,000–$187,000 / yearThermal / Mechanical Engineering leads and delivers the development of innovative and compliant mechanical design solutions, as well as cross-functional interfaces for datacenter and server computer systems and peripherals. Collaborate with cross-functional teams (electrical, systems, manufacturing, and field engineering) to ensure end-to-end thermal solution delivery; influence product design by incorporating customer feedback and field learnings into next-generation solutions.
Sr. Principal Electrical Engineer Mercury Systems IncSr. Principal Electrical EngineerMAYou will lead and mentor engineering teams developing mission-critical embedded computing, high-speed digital systems, advanced FPGA solutions, secure processing and rugged electronics supporting operations across air, land, sea, and space. Job Summary: Mercury Systems is offering a Senior Principal Electrical Engineer a fulfilling career where you will be able to see the direct impact of your designs in deployed systems with true end-to-end ownership, operating in a smaller, highly technical team.
Principal Engineer, Power Systems Engineering Analog Devices IncPrincipal Engineer, Power Systems EngineeringWilmington, MA$157,080–$227,460 / yearThis Principal Engineer, Power Systems Engineering position is a fast-paced role involving using ADI's portfolio of high-performance power products to solve engineering challenges in the industry by developing system-level solutions and references for a wide variety of applications. ADI combines analog, digital, AI, and software technologies into solutions that combat climate change, reliably connect humans and the world, and help drive advancements in automation and robotics, mobility, healthcare, energy and data centers.
Principal Avionics Electrical Engineer The Charles Stark Draper LaboratoryPrincipal Avionics Electrical EngineerCambridge, MassachusettsExample designs performed under this position may include single-slot flight computers including FPGAs and processors, memory support modules, communication interface designs, backplane interconnect designs, along with common power and timing circuits used in these scenarios. Draper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities.
Principal Engineer, Systems Design/Architecture Engineering Analog DevicesPrincipal Engineer, Systems Design/Architecture EngineeringWilmington, MassachusettsADI combines analog, digital, AI, and software technologies into solutions that combat climate change, reliably connect humans and the world, and help drive advancements in automation and robotics, mobility, healthcare, energy and data centers. For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
Principal Electrical Engineer Brooks Automation US LLCPrincipal Electrical EngineerChelmsford, MA$132,456.81–$179,206.28 / yearBrooks is a leading provider of automation solutions with over 40 years of experience in the semiconductor industry, offering precision robotics, integrated automation systems, and contamination control solutions that empower chip manufacturers worldwide. The Principal Electrical Engineer - Power Electronics will lead the design and development of low-cost, high-efficiency coil driver amplifiers for distributed motion control architectures.
Job Posting Title Principal Radar Processing and Network System Design Electrical Engineer - Onsite Tewksbury/Marlborough, MA RTX CorpJob Posting Title Principal Radar Processing and Network System Design Electrical Engineer - Onsite Tewksbury/Marlborough, MATewksbury, MAThe Principal Electrical Engineer will work with Product Leads and other team members on a variety of tasks related to the design and development of systems using Commercial-Off-The-Shelf (COTS) computing and networking products. Minimum of 8 years of professional experience in the following areas (an advanced degree in a related field may be substituted for two additional years of experience): Experience with emerging and legacy hardware and software, including Unix and Linux operating systems.
NPD Principal Electrical Engineer - Marlborough, MA Hologic IncNPD Principal Electrical Engineer - Marlborough, MAMarlborough, MALeads design responsibilities such as design, analysis or trouble shooting of printed circuit assemblies, cable and harnessing design, power conversion circuits, analog conversion, filtering circuits, power distribution, and developing CAD schematics for electrical assembly or PCB design. Driven by our purpose to enable healthier lives everywhere, every day, we are seeking a talented and experienced Electrical Engineer to join a growing R&D department in our Surgical Division to contribute to new product development of both Capital and Disposable products.
Principal Engineer, Design For Test Marvell Technology IncPrincipal Engineer, Design For TestWestborough, MA$148,500–$219,780 / yearThe execution involves Design-for-Test architecture definition, implementation of various DFT/DFX features, validation, IP-DFT, STA, pattern generation & post-silicon bring-up and debug for various designs/IPs in Custom/Compute space. Highlights include an employee stock purchase plan with a 2-year look back, family support programs to help balance work and home life, robust mental health resources to prioritize emotional well-being, and a recognition and service awards to celebrate contributions and milestones.
Principal Electrical Engineer Milpower SourcePrincipal Electrical EngineerManchester, NHThis role is critical in driving innovation, ensuring regulatory compliance, and mentoring junior engineers while collaborating across cross-functional teams including R&D, manufacturing, sales and supply chain. Milpower Source in Manchester, New Hampshire is seeking a highly skilled Principal Electrical Engineer to lead the design, development, and implementation of complex electrical systems for our global product lines.
Principal Electrical Engineer-Digital Electronics Circuit Design RTX CorpPrincipal Electrical Engineer-Digital Electronics Circuit DesignTewksbury, MAAt RTX, the world 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. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Principal Electrical Engineer - Proposal Lead RTX CorpPrincipal Electrical Engineer - Proposal LeadMarlborough, MAExperience adjusting and aligning bids to meet the requirements of various contract types, such as Firm Fixed Price (FFP) and Cost-Plus Fixed Fee (CPFF). As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Manager & Principal Electrical Engineer together.Manager & Principal Electrical EngineerWilmington, MassachusettsGoddard is seeking a highly motived Manager & Principal Electrical Engineer to join the electrical engineering team designing state-of-the-art medical devices and robotic systems. This is a player-coach role, you’ll lead a small team internally while also staying hands-on and driving engineering excellence in your own client work.
Principal Electrical Engineer - Test Equipment Maintenance Support RTX CorpPrincipal Electrical Engineer - Test Equipment Maintenance SupportAndover, MARaytheon is seeking a motivated 1st shift Principal Electrical Engineer to fill key Maintenance, Repair and Engineering support role within the Metrology & Test Equipment Maintenance (MTEM) Department, located in Andover MA. Candidate must be able to effectively operate in a high tempo operations environment and capable of multi-tasking and prioritizing complex activities, often with actions requiring coordination across multiple support areas.
Generator Systems Principal Electrical Engineer RTX CorpGenerator Systems Principal Electrical EngineerMarlborough, MAThe department is responsible for design engineering, product and production support in the following areas: Electric Generator controls & operation engineering for wound-field synchronous generators and excitation controls for both stationery and mobile applications in the range of 30 kW to 3000 kW. Control Systems - Servo Control Systems, Motor/Power/Process Control, Digital Feedback Systems, Design of systems using MATLAB Simulink for power system simulations.
NewPrincipal Electrical Engineer Generis Tek Inc.Principal Electrical EngineerWestford, MAMay conduct design analysis on components and/or assemblies to assist in the development process by ensuring designs are cost efficient, manufacturable, and reliable. Our philosophy is based on delivering long-term value and build lasting relationships with our clients, consultants and employees.
Principal Engineer, SCADA Engineering (BESS) Invenergy LLCPrincipal Engineer, SCADA Engineering (BESS)MA$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
Principal Electrical Engineer Mercury Systems IncPrincipal Electrical EngineerMALead challenging projects including the worlds most secure processing and storage hardware, advanced FPGA RF and signal processing systems, Digital Radio Frequency Memory (DRFM) devices, advanced display technologies, and extreme environment electronics that power operations across Space, Air, Land, and Sea. This position will play a key role as a hardware engineering team member developing and sustaining data storage and transfer systems for the Data Systems Product Line while contributing directly to hardware development efforts on programs.
Principal Engineer, Mixed Signal Design Engineering Analog Devices IncPrincipal Engineer, Mixed Signal Design EngineeringWilmington, MA$157,080–$227,460 / yearYour deep expertise will enable you to make critical technical tradeoffs across analog and digital domains, devise innovative solutions to complex problems, and provide technical leadership that influences ADIs technology direction and methodology. #LI-PG1 For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
Principal Engineer, Mixed Signal Designer Analog DevicesPrincipal Engineer, Mixed Signal DesignerWilmington, MassachusettsYour deep expertise will enable you to make critical technical tradeoffs across analog and digital domains, devise innovative solutions to complex problems, and provide technical leadership that influences ADI's technology direction and methodology. For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
NewPrincipal Engineer (Electrical Planning and Design), Electrical Engineering National Grid PlcPrincipal Engineer (Electrical Planning and Design), Electrical EngineeringWaltham, MA$173,000–$203,000 / yearNational Grid Ventures' diverse portfolio of energy businesses across the US, UK and Europe includes sub-sea electricity interconnectors, liquefied natural gas, battery storage, as well as conventional and renewable generation assets. Familiarity with recent trends and technologies in electric transmission, on-shore and off-shore wind, other large-scale renewable generation, energy storage, conventional generation and emerging technologies such as green hydrogen.
Power Electronics - Principal Electrical Engineer Shield AI IncPower Electronics - Principal Electrical EngineerBoston, MA$211,125–$316,687 / yearCross-functional collaboration: Work closely with Mechanical, CAD, Embedded, Software, Supply Chain, Test Automation, Production and various aircraft teams throughout the product lifecycle. Full-cycle hardware development: Own the entire flow - concept, modeling, worst case analysis, schematic capture, simulation, prototyping, design reiteration for improving design maturity, testing and validation.
Principal Electrical Engineer-FPGA Verification RTX CorpPrincipal Electrical Engineer-FPGA VerificationTewksbury, MAAt RTX, the world 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. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Principal Electrical Engineer - FPGA Design RTX CorpPrincipal Electrical Engineer - FPGA DesignTewksbury, MAAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Principal Electrical Engineer Evolv Technologies HoldingsPrincipal Electrical EngineerWaltham, MassachusettsDeep expertise in analog and mixed-signal design, with a strong focus on sensors and electromagnetics – including circuit design, simulation, and validation of subsystems such as signal conditioning, ADC/DAC, PLL, power supplies, RF, and amplifiers. You will work closely with a small, highly collaborative group of senior engineers to make critical architecture decisions, evaluate tradeoffs, reduce technical risk, and move early-stage concepts into scalable production designs.