Principal Airworthiness Engineer Applied Research SolutionsPrincipal Airworthiness EngineerBedford, Massachusetts$170,000–$190,000 / yearMaintains specialized education and experience to advise and assist the Government with securing and maintaining USAF/FAA airworthiness certification for the assigned aircraft; supports design and implementation of safe, effective, and USAF/FAA-compliant aircraft operational processes, and manages implementation and execution of a Continuous Airworthiness Management Program that complies with USAF/FAA requirements. Applies appropriate engineering discipline and broad engineering knowledge in interpreting and flowing-down capability needs/requirements, evaluating design approaches/trades and test/verification and modification strategies to delivery of operational capability within limitations imposed by life cycle cost, schedule, and performance priorities, to include and support objectives.
Principal Acquisition Program Manager Applied Research SolutionsPrincipal Acquisition Program ManagerBedford, Massachusetts$175,000–$195,000 / yearApplied Research Solutions (ARS) is respected as a world-class provider of technically integrated solutions as we deliver premier talent and technology across our focused markets for unparalleled, continuous mission support. Apply knowledge of and expertise with acquisition management, program management, budget/finance principles and methodologies, modernization planning, and the Planning, Programming, Budgeting, and Executing (PPBE) process.
Principal Product Manager OnRampPrincipal Product ManagerBoston, MassachusettsYou'll also be the PM owner of Aero AI's customer-facing agent capabilities: the intelligence embedded in the portal that surfaces contextual guidance, nudges stalled users, answers questions in the moment, and escalates to a human when it matters. Work closely with engineering and design to build agents that understand where a customer is in their journey, take proactive action to keep them moving, and hand off to humans with the right context when needed.
Principal Computational Engineer, 3D CAD & Geometric Intelligence XometryPrincipal Computational Engineer, 3D CAD & Geometric IntelligenceWaltham, MA$200,000–$230,000 / yearDFM & Sub-Process Intelligence: Drive the methodology for combining classical computational geometry (B-Rep traversal, parametric surface analysis, medial axis, geodesic distance, curvature analysis) with modern learning-based approaches (graph neural networks on B-Reps, point-cloud and voxel encoders, differentiable geometry, neural implicit representations) to detect manufacturability risk across 12+ CNC sub-processes and the broader process catalog. AI/ML Fluency: Familiarity with ML/AI methods relevant to geometry — graph neural networks on B-Reps (BRepGAT, BRepFormer, AAGNet, UV-Net), point-cloud / voxel / SDF encoders, neural implicit representations, NURBS-aware learning — and clear judgment about when classical methods beat learned ones.
Sr. Principal Lead Health & Benefits Consultant Marsh McLennanSr. Principal Lead Health & Benefits ConsultantBoston, Massachusetts$150,000–$225,500 / yearWe aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. Mercer is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries.
Principal Scientist Galois, Inc.Principal ScientistBoston, MAWith clients including NASA, DARPA, AWS, and the DoW, we leverage our cutting-edge research to deliver high assurance solutions and tools that enhance security, reliability, and operational efficiency across sectors including aerospace & defense, healthcare, semiconductors, and fintech. Who We Are: From building digital engineering tools that make space exploration safer to verifying cryptographic libraries that protect some of the world’s most valuable data, Galois develops technology to guarantee the trustworthiness of systems where failure is unacceptable.
Principal Software Reverse Engineer STRPrincipal Software Reverse EngineerWoburn, Massachusetts$204,000–$284,000 / yearBachelors Degree in Computer Science, Computer Engineering, Cybersecurity or related field plus a minimum of 15 years relevant experience(MS or PhD with equivalent work experience may also be considered). Reverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems.
Principal Compensation Consultant PTC, Inc.Principal Compensation ConsultantBoston, MA$131,750–$178,250 / yearThis role will lead the design, implementation, and governance of compensation programs that support business objectives, talent strategy, market competitiveness, internal equity, and pay-for-performance principles across a global workforce. Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow - all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible.
Principal Technical Staff (CLEARANCE REQUIRED) STRPrincipal Technical Staff (CLEARANCE REQUIRED)Woburn, Massachusetts$220,000–$260,000 / yearThe Signals Exploitation and Tracking (SET) Group in the Analytics and C2 Division focuses on applying machine learning, statistics, estimation theory, and information theory algorithms for signals exploitation, target tracking, predictive analytics, and system resource management. This position requires leading continued development of relevant technology products, as well as leading a portfolio of research and development programs, specifically focused on delivering advanced algorithm and software solutions for the Intelligence Community and Department of Defense.
Principal Product Manager - Asset Platform (Hybrid) CrowdStrikePrincipal Product Manager - Asset Platform (Hybrid)Boston, MA$160,000–$250,000 / yearIn this role, you will own the strategy and roadmap for the Asset Platform, with a particular focus on expanding asset coverage breadth, enrichment depth, and API surface to support a growing set of internal consumers and external customers. You will apply deep knowledge of security data architectures and asset management markets to drive alignment across teams and deliver a platform that serves as a durable competitive advantage for CrowdStrike.
Principal Product Marketing Manager, PLM PTC, Inc.Principal Product Marketing Manager, PLMBoston, MA$131,000–$170,500 / yearThis is a high-impact individual contributor role for someone who combines deep PLM domain expertise with the strategic marketing instincts to influence how enterprise buyers evaluate, adopt, and expand their use of PLM technology - and who embraces emerging tools and approaches, including AI, to continuously sharpen how they research, create, and go to market. Working alongside teammates across the product marketing organization, you'll help craft cross-portfolio solution stories that connect PLM to CAD, ALM, SLM, and IoT - translating integrated product engineering into compelling value propositions for discrete manufacturers.
Principal Model-Based Systems Engineer STRPrincipal Model-Based Systems EngineerWoburn, Massachusetts$206,000–$284,000 / yearThe ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals.
Principal Defense Systems Analyst STRPrincipal Defense Systems AnalystWoburn, Massachusetts$220,000–$260,000 / yearWe focus on the capability and limitations of ground, air, and space sensing and counter-sensing platforms (both crewed and uncrewed) and the resource management of these assets in the service of the survivability and capability of US air and space assets (e.g., the F-35 Joint Simulation Environment) using the methods of operational and systems analysis. You will lead and advise fellow researchers, scientists, and engineers on multi-disciplinary teams spread across multiple STR campuses to understand customer objectives, craft strategic plans, lead proposal efforts, and develop innovative solutions to complex and challenging national security problems.
Principal Radar Systems Engineer STRPrincipal Radar Systems EngineerWoburn, Massachusetts$204,000–$284,000 / yearSTR 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.
Principal Algorithm & Signal Processing Engineer STRPrincipal Algorithm & Signal Processing EngineerWoburn, Massachusetts$206,000–$284,000 / yearOur engineers are empowered to pursue innovative technical ideas, engage directly with customers, lead multidisciplinary teams, and transform advanced research into prototype capabilities that address the nation's most challenging RF sensing and electronic warfare problems. We investigate cutting-edge technologies and collaborate with engineers across STR, academic researchers, and industry partners to develop practical solutions to RF sensing and counter-sensing challenges.
Principal, Design unispacePrincipal, DesignBoston, MALeading high-stakes bid/pitch presentations, effectively communicating the value of Unispace's design methodology to win new business and grow the client portfolio. Leading the development and implementation of the Design strategy for your studio, driving innovation and elevating the design approach to meet the evolving needs of clients and the market.
Principal Product Lead (TL2) STRPrincipal Product Lead (TL2)Woburn, Massachusetts$206,000–$275,000 / yearAs a Principal Product Lead in the SET group, you will work with SET leadership to craft, drive, and execute a product development and marketing strategy that will integrate, test, and demonstrate SET capabilities to achieve (1) more efficient re-use on new B2G (Business-to-Government) Research and Development opportunities, (2) integrated system offerings for B2G system acquisition opportunities, and (3) component and sub-system offerings for B2B (Business-to-Business) supply chain opportunities. The Signals Exploitation and Tracking (SET) Group in the Analytics and C2 Division focuses on applying machine learning, statistics, estimation theory, and information theory algorithms for signals exploitation, target tracking, predictive analytics, and system resource management.
Principal Product Designer, Supply (Remote) ezCaterPrincipal Product Designer, Supply (Remote)Boston, MARemoteWe're looking for a Principal Product Designer to serve as the strategic design lead across our entire Supply ecosystem: the complex, interconnected set of products and experiences that power how our catering partners operate, fulfill orders, and grow their businesses on ezCater. Demonstrated ability to frame high-leverage problems, not just solve them and shifting teams from shipping tickets to solving clearly defined, outcome-driven challenges.
Principal Partner Technical Strategist PTC, Inc.Principal Partner Technical StrategistBoston, MA$150,000–$170,000 / yearThis position will ensure partners receive consistent, high‑quality technical engagement, provide clear visibility into who is receiving support and why, and coordinate closely with Customer Success, Product Management, and R&D to accelerate partner success and improve overall field efficiency. Ownership end to end for each discrete Partner Request, starting at qualifying the request to ensure the right mix and quantity of PTC resources are leveraged, and then running our closed loop process to ensure incremental improvement in future requests.
Principal Full Stack AI Engineer ValidityPrincipal Full Stack AI EngineerBoston, MAValidity is a truly unique company - massive revenue growth, top-tier investors, 5-star product ratings, proven ability to acquire and integrate top tech companies and welcome them into the Validity family, a winning culture, and a work environment that fosters hard work, trust, and fun. For over 20 years, tens of thousands of organizations across the world have relied on Validity solutions to target, contact, engage, and retain customers - using trustworthy data as a key advantage.