Principal Software Engineer - Python Veeva Systems IncPrincipal Software Engineer - PythonBoston, MARemote$150,000–$300,000 / yearAs Principal Software Engineer for a new product within Veeva, you will be a founding member of a team building our next major AI-driven platform one that will transform how Life Sciences companies manage safety, regulatory, and clinical development. The team will be AI-first in two meaningful ways: using AI to drive engineering productivity and strong engineering discipline, and building a product that applies AI in genuinely innovative ways to problems that matter.
Principal Software Systems Quality Engineer onsite Marlborough, MA RTXPrincipal Software Systems Quality Engineer onsite Marlborough, MAMassachusettsLADS programs include Global Patriot, Ghost-Eye / Lower Tier Air & Missile Defense, National Advanced Surface-to-Air Missile, Stinger, Next Generation Short-Range Interceptor, TOW, Javelin, Excalibur, and counter unmanned aerial systems. Active 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.
Principal Embedded Software Engineer 10BeautyPrincipal Embedded Software EngineerBurlington, MassachusettsThis is a highly impactful position for an engineer who thrives at the intersection of hardware and software, is passionate about robotics, and is energized by solving complex real-world problems in a fast-paced startup environment! 8+ years of proven experience in software development, with a track record of successfully shipping multiple complex hardware products, most ideally within robotics.
Senior/Principal Scientist, Small Molecule Therapeutics Lila SciencesSenior/Principal Scientist, Small Molecule TherapeuticsCambridge, Massachusetts$148,000–$208,000 / yearFull-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program. Automation-forward mindset: experience operating in automation- and robotics-enabled labs, including liquid handling integration, assay automation, and designing scalable, reproducible experimental workflows.
Principal Software Engineer, Frontend - Design Systems HubSpot IncPrincipal Software Engineer, Frontend - Design SystemsMA$266,200–$425,900 / yearDefine and develop the migration tooling that moves HubSpot''s Canvas applications to Trellis at scale, codemods, automated refactoring pipelines, and coding agent workflows that make the right path the easy path for product engineers. Work closely with Trellis team and Product teams to build and expose a world class component library where the default experience sets a high visual bar, beautiful, fast, consistent, and intentional.
Principal Firmware Verification Engineer - UVM (Onsite) RTXPrincipal Firmware Verification Engineer - UVM (Onsite)MassachusettsAs a Principal Firmware Verification Engineer , you will play a key role on an Integrated Program Team (IPT), developing sophisticated verification solutions for complex digital systems including Field Programmable Gate Arrays (FPGAs), Systems on Chip (SoCs), and Complex Programmable Logic Devices (CPLDs). Collins Aerospace, an RTX company, is seeking talented engineers to support critical programs for the U.S. military and allied international partners, helping deliver advanced technologies that safeguard national security and protect against evolving global threats.
Principal Analyst, Enterprise Architecture Forrester Research, Inc.Principal Analyst, Enterprise ArchitectureCambridge, MA$141,000–$229,000 / yearA Principal Analyst is expected to: Lead the Enterprise Solutions Architecture practice area, working across Forrester research teams, including the Technology Strategy and Executive Partner teams as well as Sales and Product to develop a complete research portfolio that drives customer delight and revenue. Job Requirements: At least 10 years of experience in a mix of roles as a director-level and above practitioner, enterprise architect, principal sales engineer, principal solutions architect, managing consultant, Director/Manager of Sales Engineering, or research analyst in an industry vertical or technology services.
Principal Solution Architect Cyber Security Bain & Co IncPrincipal Solution Architect Cyber SecurityBoston, MA$168,500–$206,000 / yearWorking alongside business and technology leaders, you'll design secure, resilient, and scalable architectures across cloud, identity, data, AI, and enterprise platforms while helping organizations balance innovation, risk, and regulatory requirements. Assess, select, and integrate security technologies, cloud-native capabilities, and vendor platforms (AWS, Azure, GCP and leading cyber security vendors) into enterprise architectures to maximize business value while reducing cyber risk.
Principal, Services Business Development-Co-Brand Mastercard IncPrincipal, Services Business Development-Co-BrandBoston, MA$221,000–$349,000 / 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. This role is an individual contributor who will directly influence a Services team supporting an assign set of co-brand accounts and partner daily with the Account Management teams, issuer team, and client stakeholders.
Principal Product Manager – Agentic Media Measurement Newton ResearchPrincipal Product Manager – Agentic Media MeasurementBoston, Massachusetts$180,000–$230,000 / yearYou will lead the product direction for Newton's Marketing Mix Modeling (MMM), Multi-Touch Attribution (MTA), and cross-channel measurement capabilities, working hand-in-hand with our data science team to translate advanced statistical and causal AI techniques into intuitive, scalable products. Partner closely with data science to shape modeling approaches—including Bayesian MMM, causal inference (e.g., PCMCI+), adstock modeling, and incrementality frameworks—ensuring methodological rigor translates into usable, trustworthy products.
NewPrincipal Signal Processing Engineer STRPrincipal Signal Processing EngineerWoburn, Massachusetts$206,000–$284,000 / yearMachine learning tasks such as natural language processing, image recognition, semantic segmentation, reinforcement learning, approaches such as Bayesian, deep convolutional and graph neural network methods, and tools such as PyTorch, Ray, TensorFlow/board, and MLflow . We collaborate with a dynamic group of research engineers across STR, academic researchers, and industry partners to develop practical and effective solutions to RF sensing and counter-sensing challenges.
Principal Hardware Design Engineer Kforce Inc.Principal Hardware Design EngineerAndover, MA$160,000–$200,000Kforce has a client that is seeking a Principal Hardware Design Engineer in Andover, MA to play a key role in the development of complex digital hardware systems from initial concept through production. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs.
Principal HR Technology Consultant PTC IncPrincipal HR Technology ConsultantBoston, MA$115,000–$140,000 / yearToday, 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. Support the evaluation, planning, testing, and implementation of Workday enhancements, leading test strategy, execution, validation, and user acceptance testing to ensure solutions meet business requirements.
Principal System Administrator, LADS, Tewksbury, MA Onsite RTXPrincipal System Administrator, LADS, Tewksbury, MA OnsiteTewksbury, MassachusettsServe as a Principal Systems Administrator supporting Windows and Linux enterprise environments, responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows Server, Windows 11, RHEL 7/8/9, and virtualized infrastructure within a large-scale, mission-critical environment operating 24x7x365. Experience with Windows and Linux patching, vulnerability remediation, and compliance activities, including STIG/EVAL STIG implementation, SCAP/ACAS support, log collection, and close coordination with Cyber Security teams to maintain continuous compliance with DoD and regulatory requirements.
Principal Scientist, Biology (Immunology) C4 Therapeutics IncPrincipal Scientist, Biology (Immunology)Watertown, MA$187,632–$207,383 / yearC4T's degrader medicines are designed to harness the body's natural protein recycling system to rapidly degrade disease-causing proteins, offering the potential to overcome drug resistance, drug undruggable targets and improve patient outcomes. The base pay range for this position at commencement of employment is expected to be between $187,632.00 and $207,383.00 annually; however, base pay offered may vary depending on multiple individualized factors, including job-related knowledge, skills, and experience.
Principal Systems Engineer – Quantum Computing Systems QuEra ComputingPrincipal Systems Engineer – Quantum Computing SystemsBoston, MassachusettsThe ideal candidate brings extensive experience building complex hardware–software systems (e.g., aerospace, EVs, robotics, advanced instrumentation) and is motivated to apply systems engineering rigor in a learning-driven R&D environment , pairing closely with internal quantum experts. We are seeking a Principal Systems Engineer to play a critical role in aligning engineering execution with scientific and machine-level progress in the development of large-scale quantum computers.
Staff/Principal DevOps Engineer, AI Inference Lila Sciences IncStaff/Principal DevOps Engineer, AI InferenceCambridge, MA$192,000–$272,000 / yearFull-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program. This role bridges platform engineering, site reliability, and ML infrastructure, building the systems that power low-latency, high-throughput inference across GPU clusters and cloud accelerators.
Qatar Early Warning Radar Principal Financial Analyst RTXQatar Early Warning Radar Principal Financial AnalystWoburn, MassachusettsThe selected candidate will have exposure to various functional senior leaders and will work closely with the QEWR Program Manager, Integrated Product Team Leads, Engineering Business Analysts, Planning & Scheduling, and functional support leads on making sound financial, contractual, and resource decisions for the program. Analyze key financial data that will enable sound program decision making; this includes earned value cost and schedule metrics, estimates at complete (EACs), program investments, and manpower planning.
Principal Acquisition Program Manager Axient LLCPrincipal Acquisition Program ManagerBedford, MA$165,000–$195,000 / yearAstrion has an exciting opportunity for a Principal Acquisitions Program Manager located at the Hanscom AFB in Bedford Massachusetts supporting the USAF Special Programs Division (AFLCMO/HNJ). 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 Aerospace Engineer Enigma AerospacePrincipal Aerospace EngineerBurlington, MassachusettsBy combining a novel fixed-wing aircraft design with advanced mission and flight autonomy software, Enigma enables runway-independent resupply in vast, contested theaters and dramatically reduces the cost of commercial cargo delivery. In this role, you will have primary responsibility for the aircraft design, systems architecture, significantly contribute to the development and integration efforts, establish and manage vendor relationships, and help grow a high-performing technical team.