Principal, Market & Reference Data Partner's CapitalPrincipal, Market & Reference DataBoston, Massachusetts$120,000–$170,000 / yearThis is a hands-on leadership role at the center of the firm’s investment, operations, risk, and technology workflows which involves owning the integrity of reference data that powers trading, portfolio management, performance, valuation, and reporting firmwide. The role combines deep subject matter expertise in financial instrument and market reference data with strong commercial discipline and the relationship-building skills needed to operate as a trusted partner to functional leaders across the firm.
Principal Thermal Mechanical Engineer FlexPrincipal Thermal Mechanical EngineerLittleton, MassachusettsThe Principal Mechanical Engineer will provide technical leadership, mentorship, and hands-on expertise in mechanical design, fluid dynamics, and heat transfer but also work closely with customers in communicating the art of the possible with JetCool technology and building a strong customer relationship on a technical level. Lead the initial design, analysis, and optimization of complex fluid systems from concept initial CAD to final detailed CAD and drawing for liquid cooling, including cold plates, pumps, fluids, tubing, and heat exchangers, for the latest computer processing chipsets.
Principal or Senior Principal Scientist, Peptide & Bioconjugate Drug Discovery Zealand PharmaPrincipal or Senior Principal Scientist, Peptide & Bioconjugate Drug DiscoveryCambridge, MassachusettsThe role reports to the Head of Molecular Platform Development and partners closely with computational research, protein sciences, biology, translational research, pharmacology, bioanalysis, and CMC colleagues to accelerate discovery and deliver high-quality peptide- and bioconjugate-based candidates. Drive peptide and bioconjugate discovery programs from concept through lead-candidate selection, partnering closely with cross-functional stakeholders in computational chemistry, protein engineering, biology, pharmaceutical development, and project stakeholders.
Principal, Data Engineer American Tower CorpPrincipal, Data EngineerWoburn, MAAmerican Tower is a global digital infrastructure company serving customers through tower sites and other real estate solutions that support connectivity and opportunity, focused on achieving our vision of Building a More Connected World. Deep experience with major cloud platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform, and with modern data platforms such as Databricks or Snowflake.
Investment Principal, Public Markets Partner's CapitalInvestment Principal, Public MarketsBoston, MassachusettsThe primary goal of the Public Markets Research Team is to deliver high absolute and relative returns over the long-term by partnering with of top-tier managers and select direct investments. In addition to the above, you will, for variety, take on other activities and projects, which might include researching and improving our portfolio construction knowledge and approach, assisting with business development, or helping to develop our technological capabilities.
Principal Front Office Engineer, Investment Innovation, Integration & Trading Liberty Mutual Holding Company IncPrincipal Front Office Engineer, Investment Innovation, Integration & TradingBoston, MAAs a Principal Front-Office Engineer, you will serve as the technical lead embedded within the Investment Innovation, Integration & Trading (I3T) team, driving design and implementation of small-scale proofs of concept and prototypes that support the fixed income portfolio, improve investment analysis, develop AI-enabled workflows, and enhance reporting systems & processes. You will partner closely with analysts and investment teams to enhance their day-to-day use of AI, helping them build artifacts in a more technically sound manner and building robust systems and tools that scale those prototypes into production-ready applications.
Principal Software Engineer Vets HiredPrincipal Software EngineerBoston, MassachusettsThe ideal candidate brings deep technical expertise, strong leadership, and a hands-on approach to building high-impact systems in a fast-paced, collaborative environment. This role plays a critical part in shaping technology strategy, driving architectural excellence, and mentoring engineering teams to support evolving business platforms.
Principal Security Engineer - AI Seven AI IncPrincipal Security Engineer - AIBoston, MARequirements: 15+ years of experience in cybersecurity, including significant experience in SOC, Blue Team, Detection Engineering, Threat Hunting, or Incident Response roles, with strong experience in Security Orchestration, Automation, and Response (SOAR) platforms and security automation frameworks. Our Principal Security Engineers are at the forefront of the Agentic Security revolution - combining deep technical expertise with strategic leadership to help organizations modernize their security operations through intelligent automation.
Principal Interconnect Design Engineer SiFive IncPrincipal Interconnect Design EngineerBoston, MA$231,444–$282,876 / yearSiFive's unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. Job Description: The Role: SiFive is looking for a principal-level hardware engineer who is passionate about designing industry-leading CPU and interconnect IP to help drive the tidal wave of adoption of RISC-V as the architecture of choice for SOC designs across a broad variety of vertical applications.
Principal Hardware Electrical Engineer Mercury Systems IncPrincipal Hardware Electrical EngineerMAIn this role, our team is looking for a Principal Electrical Engineer who will architect and lead the development of ruggedized board‑level hardware for advanced embedded computing, high‑speed digital systems, advanced FPGA solutions, secure processing for extreme‑environment electronics across air, land, sea, and space. Architect advanced electrical circuit board solutions incorporating secure processing, storage, networking, FPGA technologies, high‑speed interfaces, and electronics designed for extreme environments.
Principal Software Engineer - Frontend, Developer Experience Palo Alto Networks IncPrincipal Software Engineer - Frontend, Developer ExperienceBoston, MAYou will collaborate directly with Product, Design, and engineering peers to build interfaces that help developers navigate complex environments with petabytes of telemetry data, turning that data into actionable, easy-to-understand visualizations and workflows. For 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.
Principal Electrical Engineer Gentex CorporationPrincipal Electrical EngineerManchester, NHYou'll work at the intersection of high-bandwidth, low-latency video distribution for enhanced night vision devices and next-generation smart battery pack design - shaping the electrical backbone of our helmet-mounted platforms to ensure efficient power delivery, robust data pathways, and seamless integration across mission-critical technologies. Located in the heart of New England, Manchester is also conveniently located within an hour's drive of Boston, an hour from the Atlantic Ocean and less than two hours from New Hampshire's scenic White Mountains, Lake Winnipesaukee and the many other well-known vacation destinations in Maine, Vermont and Massachusetts.
Principal FPGA Engineer Ayo SemiconductorPrincipal FPGA EngineerBoston, MassachusettsOur photonic processors will provide orders of magnitude improvement in speed and power efficiency in comparison to conventional digital compute platforms by taking advantage of the natural parallelism, speed and energy efficiency of light. Support the hardware team by performing FPGA trade studies and assessing the viability of proposed pin mappings on developmental circuit card assemblies.
Principal Embedded Software Engineer RISE RoboticsPrincipal Embedded Software EngineerSomerville, MassachusettsAs a pivotal member of the RISE Robotics Engineering organization, your contributions will shape the future of our company, spearheading the engineering effort to implement electronic controls of truly massive machines. Collaboration: Work closely with cross-functional teams, including mechanical engineers, electrical engineers, and application specialists, to achieve project goals.
Senior/Staff/Principal Mechanical Engineer EkaSenior/Staff/Principal Mechanical EngineerCambridge, Massachusetts7+ years of experience designing and building robotic systems—preferably robotic hands. Eka Robotics is on a mission to build intelligence for the physical world - robots that are fast, general, and reliable.
Principal Engineer, Core Infrastructure KlaviyoPrincipal Engineer, Core InfrastructureBoston, MAIn 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 Program Scheduler Torch TechnologiesPrincipal Program SchedulerHanscom AFB, Massachusetts$145,000–$160,000 / yearBy enabling aircrews to electronically receive and process tasking orders, intelligence inputs, target coordinates, and mission‑critical flight and weapons data, MPS enhances combat effectiveness, increases sortie generation rates, and improves aircrew readiness and survivability across the Combat Air Forces (CAF) and Mobility Air Forces (MAF). Several factors can influence the salary for a position including but not limited to, Federal Government contract labor categories and contract wage rates, geographic location, business considerations, scope and responsibilities of the position, local or other applicable market conditions, and internal equity.
Client Service Principal, Taxable Partners Capital Investment Group LLPClient Service Principal, TaxableBoston, MA$115,000–$160,000 / yearPart timeHands-on experience servicing US taxable clients (HNW families and family offices), including multi-entity household structures, tax-aware investment operations, and coordination with external CPAs and trust & estate counsel. Proactively identify and mitigate potential risks related to client accounts, working internally to identify, assess, and mitigate risks associated with client accounts and operational processes.
Principal Biostatistician Prometrika LLCPrincipal BiostatisticianCambridge, MAPROMETRIKA considers several factors when extending and offer, including but not limited to the role, the function and associated responsibilities, the candidate's work experience, education/training background and parity with current employees in the same or similar positions. This may include vision (near, far, color, glare control), hearing (auditory attention, sound localization), speech, strength, agility, dexterity flexibility, steadiness or reaction time.
Principal, Fund Controller Partners Capital Investment Group LLPPrincipal, Fund ControllerBoston, MA$120,000–$170,000 / yearPart timeStrategic Partnership and Other: You will serve as a trusted advisor to global client CIOs, fund PMs, and research teams, ensuring fund finance considerations are integrated into broader strategic decisions. The Firm designs bespoke investment policies reflecting each client’s unique circumstances and implements investment solutions that aim to deliver strong returns with resilience across market cycles.