Principal Software Development Engineer in Test (SDET) Onto InnovationPrincipal Software Development Engineer in Test (SDET)Wilmington, MassachusettsOnto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. The ideal candidate will lead a team of SDETs, define testing strategies, and collaborate closely with engineering, product, and DevOps teams.
Principal AI Platform Engineer - AI Center Of Excellence MasterCardPrincipal AI Platform Engineer - AI Center Of ExcellenceBoston, MA$195,000–$323,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Lead RFI and RFP processes for AI infrastructure components, including CPU, GPU, storage, and networking, defining technical and commercial evaluation criteria, reviewing vendor responses, and driving fact based selection decisions in partnership with sourcing and finance teams.
NewSenior Principal Hardware Design Engineer RTXSenior Principal Hardware Design EngineerTewksbury, MassachusettsThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Ability 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.
Principal Asic Test Development Engineer Hewlett Packard EnterprisePrincipal Asic Test Development EngineerWestford, MA$153,500–$291,500 / yearVoice of test authority with ASIC suppliers -- working closely with their product/test teams, quality, design engineering and technologists to correlate and eradicate ASIC failures in our systems with their wafer test, package test and BLCT-1. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge any candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process.
Sr Principal C++ Software Engineer CadenceSr Principal C++ Software EngineerBurlington, MA$140,000–$260,000 / yearThe team brings a unique focus to quality and innovation while designing state-of-the-art Cadence emulation products for use in developing today's multi-billion gate designs. You will work closely with a small team of exceptional engineers that are heavyweights in Cadence and EDA while developing the next generation Palladium emulation platform.
Principal, Systems/Mechanical Engineering HDSPrincipal, Systems/Mechanical EngineeringBoston, MassachusettsHDS is led by a top-tier team with an impressive track record and backed by prominent investors (see HDSGlobal.com ) and industry leaders (see our recent partnerships with Ingram Micro and Toyota ). Autonomy, mastery, purpose : We provide a clear mission so that you can self-direct your work, provide exceptional challenges to hone your skills, and provide an opportunity to transform the supply chain function into a huge competitive advantage.
Principal Integration Engineer MaximusPrincipal Integration EngineerBoston, MAFull timeDrive adoption of modern integration patterns, including API-first design, event-driven architectures, microservices-aligned integrations, and reusable integration components. • Proven experience designing scalable enterprise integration architectures across cloud services, SaaS platforms, enterprise applications and APIs.
Principal Power Electronics Engineer The Charles Stark Draper LaboratoryPrincipal Power Electronics EngineerCambridge, MassachusettsA Principal Precision Analog/Power Electronics Engineer designs, specifies, develops, and tests analog/ power electronics for a wide array of applications, such as switched-mode power conversion, battery management circuitry, distributed power architectures, wireless power transfer, radiation hardened designs, motor controllers, low noise power conditioning for precision instrumentation, analog front ends, signal conditioning, analog-to-digital conversion, precision feedback systems, and dc/dc conversion. 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 Software Engineer CadencePrincipal Software EngineerBurlington, MA$117,600–$218,400 / yearPlease note that the salary range is a guideline and compensation may vary based on factors such as qualifications, skill level, competencies and work location. BS with a minimum of 8 years of experience OR MS with a minimum of 5 years of experience OR PhD with a minimum of 3 years of experience.
Principal Software Engineer, UX – Asset Management Technology Foundations FidelityPrincipal Software Engineer, UX – Asset Management Technology FoundationsBoston, MassachusettsRemotePlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.
Principal Full Stack AI Engineer Vertex PharmaceuticalsPrincipal Full Stack AI EngineerBoston, MassachusettsThe ideal candidate is a versatile engineer who is comfortable across the stack including backend services and APIs, agent frameworks and orchestration, data and retrieval pipelines, and lightweight front-end experiences with real depth in enterprise integration design, MCP/A2A protocols, event-driven architectures, and authentication patterns. In this role you will develop AI agents and the services, APIs, and interfaces around them, and connect the platform to the systems, tools, and data sources that make AI valuable in real enterprise workflows.
C5I Principal Platform Engineer RTXC5I Principal Platform EngineerConcord, MassachusettsActive and existing security clearance required after day 1 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 deep DevSecOps expertise, technical leadership and the ability to influence architecture and engineering strategy across multiple teams.
Sr Principal SW Development Engineer UKGSr Principal SW Development EngineerBoston, MA$163,900–$235,550 / yearOperating at a principal level, this role goes well beyond traditional requirements gathering—serving as a trusted advisor, systems strategist, and transformation leader across large, multi-phase programs involving D365 Finance & Operations, and integrated enterprise platforms. This role partners closely with Finance and Go To Market teams and IT leadership to translate complex business objectives into scalable, compliant, and future-ready system solutions.
Principal Mechanical Engineer - Air Traffic Solutions (Onsite) RTXPrincipal Mechanical Engineer - Air Traffic Solutions (Onsite)MassachusettsTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience. 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 Modeling And Simulation Engineer Berkshire Grey Inc.Principal Modeling And Simulation EngineerBedford, MAIn the role of Principal Modeling and Simulation Engineer, you will lead the development of high-fidelity simulation platforms and digital twins that drive system design, validation, and deployment. This role blends advanced software engineering with modeling and simulation, enabling rapid development, testing, and optimization of complex robotic systems.
Principal Radar Software Engineer MatrixSpacePrincipal Radar Software EngineerBurlington, MA$175,000–$210,000 / yearYou'll work alongside world-class engineers, tackle challenging multidisciplinary problems, and have the opportunity to make a lasting impact on the future of sensing technology. Candidates must be legally authorized to work in the United States without employer sponsorship and maybe required to obtain and maintain a U.S. government security clearance in the future.
Principal Manufacturing Engineer - Implantable Device Unit Biogen IdecPrincipal Manufacturing Engineer - Implantable Device UnitCambridge, MA$159,000–$219,000 / yearRegular employees are eligible to receive both short term and long-term incentives, including cash bonus and equity incentive opportunities, designed to reward recent achievements and recognize your future potential based on individual, business unit and company performance. In addition to compensation, Biogen offers a full and highly competitive range of benefits designed to support our employees' and their families physical, financial, emotional, and social well-being; including, but not limited to: Medical, Dental, Vision, & Life insurances.
Principal Hardware Design Engineer RTXPrincipal Hardware Design EngineerTewksbury, MassachusettsThese design efforts will include collaboration with systems engineers, mechanical engineers, manufacturing engineers, and other electrical engineers to perform design trades and requirements flow down, perform electrical analysis, develop test plans, and ultimately to deliver working hardware that meets program requirements. Ability 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.
Principal Electrical & Compliance Engineer VEIRPrincipal Electrical & Compliance EngineerWoburn, Massachusetts$180,000–$200,000 / yearVEIR’s initial focus is AI data centers behind the meter, with solutions engineered for repeatable deployment through reference designs and integrated controls, designed to incorporate learnings as deployments scale. Own the electrical integration interface designs between VEIR system and datacenter distribution systems, from medium-voltage (MV) switchgear and transformers through low-voltage (LV) switchgear, busway, PDUs, power sidecars, and rack busbars.
Principal Optical Engineer The Charles Stark Draper LaboratoryPrincipal Optical EngineerCambridge, MassachusettsDraper 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. • Interacts with device, hardware and software design teams to develop optical systems; specifying, selecting and qualifying active and passive optical components, developing and benchmarking system performance models.