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.
Principal Application Scientist Revvity, Inc.Principal Application ScientistHopkinton, MA$120,000–$155,000 / yearWorking with key commercial entities, you will craft automation methods & workflows that will be disseminated globally, allowing Revvity specialist to support internal sales specialists and customers with novel and well annotated automation methods, allowing Revvity to continue to lead the field. The individual is expected to support the global Revvity automation business by expanding instrument capabilities, working as necessary with technical support to troubleshoot complex customer issues, and providing training and marketing material for new application capabilities that will be used to support the sales of automation instruments globally.
Principal Engineer - Security Products, Security Visibility DigitalOceanPrincipal Engineer - Security Products, Security VisibilityBoston, MARemote$235,200–$294,000 / yearEvolve the Audit Logging Platform: Lead the redesign of DigitalOcean's audit log infrastructure to support immutable, tamper-evident, compliance-grade event records with fine-grained retention controls, cross-account federation, and real-time streaming access for customers and internal security teams. Core Experience: You possess over 10 years of software engineering expertise, including 4+ years dedicated to audit logging, security telemetry, SIEM integration, or managing high-throughput data pipelines within cloud or IaaS ecosystems.
Principal Software Engineer Boston Human Capital PartnersPrincipal Software EngineerBoston, MassachusettsRemoteThis role centers on building high-performance distributed systems, powering data-intensive services, and enabling seamless, secure integrations across modern IT and security ecosystems. only) and best suited for engineers who excel in fast-moving startup environments where autonomy, rapid iteration, and strong technical judgment are essential.
Principal Scientist, Antibody Discovery and Engineering ModernaTXPrincipal Scientist, Antibody Discovery and EngineeringCambridge, MassachusettsThis individual will operate with a high degree of independence, scientific judgment, and cross-functional influence while partnering with antigen design, structural and computational biology, Immuno-oncology and Autoimmune Therapeutics research leadership, project teams, and external CRO partners. We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities.
Principal Engineer, Data Infrastructure KlaviyoPrincipal Engineer, Data 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‑augmented data operations: Semantic discovery and auto‑documentation cover the majority of high‑value datasets; AI‑assisted DQ monitors reduce data incidents on top pipelines by 25–40%; pipeline authoring and review times drop 15–25% with AI in the loop.
Principal Scientist, Protein Design ModernaTXPrincipal Scientist, Protein DesignCambridge, MassachusettsThis role will lead the design, execution, and continuous advancement of high-throughput mammalian cell–based screening platforms that interrogate broadly applicable design principles for glycoprotein antigens, enabling antigen optimization, improved expression and durability across multiple programs, and rapid maturation of computationally designed candidates. The candidate in this position will work closely with and report to the Senior Director, Computational Design and In Vitro Selection, and will also work closely with the VP, Protein Design, as well as other members of Research, to advance novel candidates to the clinic, drive exploratory trials to inform the generation of improved vaccine antigens and explore new concepts for mRNA medicines.
Principal AI/ML Researcher WhoopPrincipal AI/ML ResearcherBoston, MassachusettsDeep expertise in modern deep learning (transformers, state space models), multimodal training, self-supervised and representation learning, RL-based post-training (PPO/DPO/GRPO), and large-scale distributed training (data, model, and context parallelism). At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.
Principal Software Engineer, Platform Engineering ModernaTXPrincipal Software Engineer, Platform EngineeringCambridge, MassachusettsThis is a senior individual contributor role that combines deep technical execution with cross-functional technical leadership across developers ("Builders"), Cybersecurity, Architecture, AI platform teams, and broader teams to provide scalable, secure, and user-focused capabilities that make the right path the easiest path for Moderna’s engineering teams. We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities.
Principal Client Partner, Enterprise Sales - New England T-MobilePrincipal Client Partner, Enterprise Sales - New EnglandMassachusettsYou will be responsible for driving new business acquisition and deepening strategic relationships within the Fortune 1000, including multinational and internationally headquartered corporations navigating complex, large-scale technology decisions. 2–4+ years of experience as a lead salesperson selling wireless solutions and/or technology products and services, with a dedicated focus on new logo acquisition and pure prospect pursuit (Preferred).
Principal RA Associate Devices Fresenius Medical CarePrincipal RA Associate DevicesWaltham, MassachusettsResponsible for preparing FDA submissions necessary for new product approvals/clearances which include Premarket norifictoins-510(k)s, Premarket Approval Applications (PMAs) and supplements, Investigational Device Exemptions (IDEs) submissions. Serves as the primary regulatory resource for change to and prioritization of projects, resource assignment and efficient management of the development and change processes.
Principal Product Designer MoonpigPrincipal Product DesignerManchester, NHWe’re proud to have a number of employee-led groups driving this forward, including our LGBTQ+, Gender Balance, Neurodiversity and EMBRACE (Educating Myself for Better Racial Awareness and Cultural Enrichment) communities, plus our Group-wide EDI committee. Wellbeing First: Private healthcare (UK) and mental health support ️ Flexible Working & Time Off: Generous holidays, hybrid working (1-3 days in office, depending on role/team) & up to 20 days of international working.
Senior/Principal Scientist Cell Based Potency Assay 3316 Takeda Development Center AmericasSenior/Principal Scientist Cell Based Potency AssayLexington, MassachusettsD. in cell biology, molecular biology, immunology, biochemistry, bioengineering, pharmaceutical sciences, statistics, biostatistics, or a related discipline with 3+ years of relevant experience for Senior Scientist or 7+ years for Principal Scientist; MS with 9+ years for Senior Scientist or 13+ years for Principal Scientist; or BS with 11+ years for Senior Scientist or 15+ years for Principal Scientist. Plan and coordinate work with departmental, cross-functional, and external stakeholders, including Process Development, Quality Control, contract testing laboratories, Analytical Sciences, Quality Assurance, Regulatory, and other Analytical Development teams.
Principal Scientist, mRNA-tLNP Analytical Development Kernal BiologicsPrincipal Scientist, mRNA-tLNP Analytical DevelopmentBoston, MassachusettsDevelop and qualify methods to characterize antibody–lipid bioconjugates and targeted LNPs, including conjugation efficiency, antibody-to-particle ratio and surface ligand density, free/unconjugated antibody, conjugate identity and integrity, and antigen-binding activity. Demonstrated expertise in developing analytical methods to test and characterize mRNA and LNP products, spanning both biophysical and biochemical techniques (particle size measurement, HPLC, LC-MS, CE, ELISA, qPCR, protein analysis, and in vitro potency assays).
Principal Carelon Research Biostatistician Elevance HealthPrincipal Carelon Research BiostatisticianNewton, MassachusettsThis researcher partners with investigators, research sponsors, academic institutions, and cross-functional project teams to design studies, develop statistical methodologies, oversee analytical execution, and communicate scientific findings that advance externally funded clinical research programs. The Principal Carelon Research Biostatistician is responsible for serving as the statistical lead for complex clinical research studies and represents an analytical thought leader across Carelon Research's clinical research portfolio.
Principal Engineer, CMC Development Pilot Operations ModernaTXPrincipal Engineer, CMC Development Pilot OperationsNorwood, MassachusettsThe Principal Engineer will partner closely with CMC Dev Quality, analytical testing laboratories, Process Development, Engineering, Safety, Digital, and the GMP manufacturing facility to ensure seamless material delivery, technical readiness, operational excellence, and robust transfer of product and process knowledge across the manufacturing network. We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities.
Principal Specialist, Quality Assurance Cardinal HealthPrincipal Specialist, Quality AssuranceMansfield, MassachusettsCross-functional Collaboration: Leads complex cross-functional projects to identify root causes of significant quality issues, educates stakeholders on quality requirements, and develops sustainable solutions to minimize future risks. The Principal Specialist, Quality Assurance, is a highly experienced individual contributor who applies advanced knowledge of quality assurance concepts and technical capabilities to drive uncompromised laboratory integrity and minimize risks.
Client Service Principal, Taxable Partner's CapitalClient Service Principal, TaxableBoston, Massachusetts$115,000–$160,000 / yearProactively identify and mitigate potential risks related to client accounts, working internally to identify, assess, and mitigate risks associated with client accounts and operational processes. Hands-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.
Principal C# Engineer / Technical Lead Integrated Computer SolutionsPrincipal C# Engineer / Technical LeadWaltham, MassachusettsICS blends the art of visual design and agile engineering to help our clients develop their products into devices that delight in a wide range of technologies. As a Principal Engineer / Technical Lead, you will be responsible for the design, development, and testing of software products in the Microsoft stack in the MedTech and industrial space.
Principal Scientist SanofiPrincipal ScientistWaltham, MA$122.25–$176.58 / hourThe Genomic Medicine Unit (GMU) CMC group at Sanofi is dedicated to the establishment of best-in-class manufacturing platforms to support development of life-changing advanced cell and gene therapy products, including recombinant AAV vectors, lentiviral vectors and cell therapy products. Main responsibilities: Lead scale-up activities from bench scale to pilot scale (200L-2000L), applying engineering principles (mixing, mass transfer, shear stress, dissolved oxygen control) to ensure process comparability at large scale.