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.
Principal Software Engineer, Onsite RTXPrincipal Software Engineer, OnsiteMassachusettsActive and existing security clearance required on 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. Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place.
Principal Hardware Integration, Analysis & Test Engineer RTXPrincipal Hardware Integration, Analysis & Test EngineerTewksbury, 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. Build data analysis tools that give engineers and technicians answers faster — and eventually, building Artificial Intelligence/Machine Learning tools do some of the heavy lifting.
Principal Electrical Engineer - Digital Circuit Card Design RTXPrincipal Electrical Engineer - Digital Circuit Card DesignTewksbury, 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. 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 Embedded Software Engineer Third PolePrincipal Embedded Software EngineerWaltham, MassachusettsThe Principal Software Engineer provides expertise in the design, development, characterization, and testing of complex software/firmware used to drive and manage complex electromechanical medical devices. 10+ years Software Engineering experience in the design and development of complex, real time software driven electromechanical Class II medical devices in C and C++; Class III experience preferred.
NewPrincipal Radar Receiver / Exciter Integration & Test Engineer RTXPrincipal Radar Receiver / Exciter Integration & Test EngineerTewksbury, 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. May require up to a one (1) year assignment at a different location, such as shipyard locations (i.e. Huntington Ingalls Industries (HII) Shipyard in Pascagoula, MS; Navy’s Land Based integration facility in Mount Laurel, NJ).
Principal Civil Engineer Barry-WehmillerPrincipal Civil EngineerBoxborough, MA$170,000–$240,000 / yearBy blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology.