Principal Software Engineer Jobs in Massachusetts

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PRINCIPAL AI ENGINEER, IS&T Applications

Boston University

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Boston, Massachusetts, USA

Full-time

Job Description Are you ready to challenge the status quo and help shape the future of higher education and beyond? At Boston University, we are assembling a world-class AI Engineering team to transform operations, drive innovation, and deliver innovative AI applications and agents. You will join as the Principal AI Engineer where you will work on cutting-edge technologies Agentic AI frameworks, LLMs, RAG, MCP, scalable AI architectures and develop solutions at the forefront of modern artificia
Posted 5 days ago | Updated 7 hours ago

Principal Engineer - Electrical Power System Analytics (Remote Eligible, U.S.)

GE Vernova

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Remote

Full-time

Job Description Summary Makes decisions and recommendations recognized as fact based, reasonable, and authoritative with impact on designs, analysis, reports, etc. Demonstrates creativity, foresight, and mature judgment in anticipating and solving challenging Discipline specific and cross- Discipline problems. Defines technical strategy, plans, objectives, requirements, work scope, nuclear regulations and industry standards, guides, etc. Assesses staff competencies. Provides mentorship and overs
Posted 10 days ago | Updated 7 hours ago

Principal Engineer

MRoads

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Remote

Contract

Bethesda-Chevy Chase, MD / Remote We are seeking a highly experienced Principal Engineer / Fullstack Architect with deep expertise in Node.js, GraphQL, and ReactJS, combined with a strong background in Artificial Intelligence, particularly in building and integrating Large Language Models (LLMs). You will play a pivotal role in architecting scalable, intelligent fullstack solutions, driving innovation, and mentoring engineering teams on cutting-edge AI integration. Key Responsibilities: Lead the
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Posted 28 days ago

EAF Solution Engineer Senior- Principal

American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-14-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.
Posted 3 days ago | Updated 7 hours ago

Principal Guidance & Control Engineer

Draper

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Remote or Huntsville, Alabama, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 5 days ago | Updated 7 hours ago

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 10 days ago | Updated 7 hours ago

Principal Test Development Engineer - Onsite Tewksbury, MA

RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: MA132: Tewksbury, Ma Bldg 2 Sudbury 50 Apple Hill Drive Sudbury - Building 2, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t
Posted 5 days ago | Updated 7 hours ago

Principal Engineer - Developer Tooling

CVS Health

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Minnesota, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 10 days ago | Updated 7 hours ago

Hardware Principal Engineer

Dell Technologies

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Hopkinton, Massachusetts, USA

Full-time

Principal Hardware Engineer The reputation of Dell Technologies for delivering award-winning hardware is legendary and our Hardware Engineering team is at the heart of it. We design and develop analogue as well as digital hardware products - not just computer or network hardware devices but peripherals too. Recognized for our high level of technical expertise in a variety of engineering disciplines, we're involved across the development lifecycle - from research to the building, testing and del
Posted 23 days ago | Updated 7 hours ago

Propulsion Subsystem Principal Engineer Delegate

Lockheed Martin Corporation

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Remote or Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 12 days ago | Updated 6 hours ago

Associate Principal AI/ML Engineer , Data Science

Merck & Company Inc

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Remote or Cambridge, Massachusetts, USA

Full-time

Job Description Associate Principal AI/ML Engineer Our Artificial Intelligence Machine Learning (AI/ML) capabilities are critical accelerators to our mission to delivering towards inventing new medicines that save and improve lives. Core to the Data, AI, and Genome Sciences (DAGS) function is an AI/ML-first approach to improving target and biomarker discovery, validation and selection and elucidating complex disease mechanisms. As Associate Director, AI/ML Engineering, you will build state-of-
Posted 4 days ago | Updated 7 hours ago

Principal Engineer

Constellation Energy

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Everett, Massachusetts, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 37 days ago | Updated 2 hours ago

Principal Engineer

POWER Engineers, Inc

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Remote or Meridian, Idaho, USA

Full-time

Principal Engineer Job Summary POWER Engineers, Member of WSP is seeking a senior-level electrical engineer to work as a Principal Engineer in the Power Delivery Substation Specialty Services Department in our Substation Business Unit (SBU). This individual is expected to independently develop and apply advanced engineering techniques, concepts, and approaches to unique engineering problems. This principal technical advisor role will lead in assimilating and disseminating complex engineering co
Posted 44 days ago | Updated 7 hours ago

Principal Engineer

Constellation Energy

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Everett, Massachusetts, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 40 days ago | Updated 16 hours ago

Senior Principal Engineer - Safety Compliance - Remote, US

Johnson Controls, Inc.

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Remote or Milwaukee, Wisconsin, USA

Full-time

Build your best future with the Johnson Controls team As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries across the globe. You will have the opportunity to develop yourself through meaningful work projects and learning opportunities. We strive to provide
Posted 18 days ago | Updated 7 hours ago

Principal Platform Engineer, Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Principal Platform Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Principal Platform Engineer, you will lead the design, development, and evolution of our next-generation cloud-native platforms. You will drive technical strategy, foster engineering excellence,
Posted 27 days ago | Updated 7 hours ago

Principal Snowflake Engineer + DBT and claims data/Patient data experience - W2 only - 14+ years canidates

Empower Professionals

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Remote

Contract

Role: Principal Snowflake Engineer + DBT Location: Remote Duration: 6+ Months CTH W2 only We are looking for principal level. Very senior. Hands-on coding and can-do architecture as well. We need them to have extensive snowflake experience, as well as DBT and Healthcare experience. Hospital experience would be ideal with EPIC systems, or something similar. The healthcare experience is very important. JD: Senior Engineer Project Scope (dig into details here): Supporting the population health se
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Posted 1 day ago | Updated 5 hours ago

IT Principal Embedded Tactical Engineer

Rose International

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Boston, Massachusetts, USA

Full-time

Date Posted: 06/25/2025 Hiring Organization: Rose International Position Number: 484649 Industry: Insurance Job Title: IT Principal Embedded Tactical Engineer Job Location: Boston, MA, USA, 02116 Work Model: Hybrid Work Model Details: 2 days per week in office Employment Type: Temp to Hire FT/PT: Full-Time Estimated Duration (In months): 3 Min Hourly Rate($): 60.00 Max Hourly Rate($): 80.00 Must Have Skills/Attributes: GIT, Python, SQL Experience Desired: Knowledge of financial systems
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Posted 14 days ago | Updated 3 hours ago

Senior Principal Engineer - Aerothermal Fluids (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted r
Posted 8 days ago | Updated 7 hours ago

Senior/Principal Blockchain Engineer

Eliassen Group

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Boston, Massachusetts, USA

Contract

Description: **Hybrid remote | 2 weeks per month onsite in Boston, MA, Jersey City, NJ, or Merrimack, NH** Collaborate with engineers in a fun and dynamic environment and work closely with technical leaders and Architects to build a secure crypto platform utilizing modern software development practices. As a senior member of the team, you will mentor engineers on the best practices for Software development. Pay: $75 - $85/hr W2 Due to client requirement, applicants must be willing and able t
Posted 36 days ago | Updated 6 hours ago