Principal, Software Engineer Jobs in Boston, MA

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Staff Software Engineer, Embedded Applications (R3331)

Shield AI Inc

Boston, Massachusetts, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Principal Mechanical Design Engineer - Tewksbury, MA (On-site)

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-06 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Staff Robotics Software Engineer

Analog Devices, Inc.

Boston, Massachusetts, USA

Full-time

About Analog Devices Analog Devices, Inc. (NASDAQ: ADI ) is a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. ADI combines analog, digital, and software technologies into solutions that help drive advancements in digitized factories, mobility, and digital healthcare, combat climate change, and reliably connect humans and the world. With revenue of more than $9 billion in FY24 and approximately 24,000 people globally, ADI

Lead / Staff Software Engineer Series A grow to Director quickly as team scales

Motion Recruitment Partners, LLC

Boston, Massachusetts, USA

Full-time

About Us: We're a high-growth Fintech/AI SaaS startup that just closed a $110M Series A from top-tier investors. Our platform is transforming how financial data is analyzed and acted upon using cutting-edge AI-helping institutions automate decisions, reduce risk, and scale with confidence. Our founding CTO is a proven technologist with prior successful exits, and the current team includes a strong bench of junior engineers. We're now looking to bring on a hands-on Lead or Staff Software Enginee

Lead Software Engineer

Boeing Company

Remote or Nashua, New Hampshire, USA

Full-time

Lead Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information systems. A career with the Tapestry Solutions team brings the best of both worlds: access to the incredible depth of resources and opportunities of Boeing while working in a company having a small business, family-oriented culture. We have over 500 employees worldwide supporting our customer

Antenna and Microwave Senior Principal Engineer

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-04-28 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, 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

Principal Hardware Design & Test Engineer

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-18 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Principal Firmware Engineer

Schneider Electric

Foxborough, Massachusetts, USA

Full-time

Schneider Electric Systems USA, Inc. seeks a Principal Firmware Engineer in Foxboro, MA. Job Description: Design, develop, and test firmware for Foxboro DCS Embedded Controllers and Gateways using modern protocols Profinet, OPC UA, EtherNet/IP, Modbus and others with special focus on security aspects such as use of certificates for authentication. Contribute to detailed system architecture, functional and design specifications. Collaborate with offshore development team and QA test team. Eligib

Senior Principal Hardware Engineer

Dell Technologies

Hopkinton, Massachusetts, USA

Full-time

Senior 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 a

Principal Hardware Optomechanical Design Engineer

Draper

Cambridge, Massachusetts, 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

Senior Principal Engineer, Research Science Engineering

Analog Devices, Inc.

Wilmington, Massachusetts, USA

Full-time

About Analog Devices Analog Devices, Inc. (NASDAQ: ADI ) is a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. ADI combines analog, digital, and software technologies into solutions that help drive advancements in digitized factories, mobility, and digital healthcare, combat climate change, and reliably connect humans and the world. With revenue of more than $9 billion in FY24 and approximately 24,000 people globally, ADI

Lead Software Engineer

UKG Careers

Lowell, Massachusetts, USA

Full-time

Company Overview With 80,000 customers across 150 countries, UKG is the largest U.S.-based private software company in the world. And we're only getting started. Ready to bring your bold ideas and collaborative mindset to an organization that still has so much more to build and achieve? Read on. At UKG, you get more than just a job. You get to work with purpose. Our team of U Krewers are on a mission to inspire every organization to become a great place to work through our award-winning HR tec

Software Engineer: Generative AI. AEC Revit API

Autodesk Inc.

Boston, Massachusetts, USA

Full-time

Job Requisition ID # 25WD88925 Software Engineer: Generative AI. AEC Revit API. Remote US or Hybrid Position Overview Autodesk is leading the transformation of the AEC industry, integrating AI technology into our products. We're enhancing our applications with cloud-native capabilities, including data at scale, edge computing, AI-based solutions, and advanced 3D modeling and graphics. This innovation is happening across our flagship products-AutoCAD, Revit, Construction Cloud-and Forma, our n

SPY-6 Principal Radar Integrator Engineer (Shipyard or Test Site) Onsite

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-07-28 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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 - to help our nation a

Principal Cybersecurity Engineer

NuLeap

Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP

Research Software Engineer, Formal Methods

RTX Corporation

Cambridge, Massachusetts, USA

Full-time

Date Posted: 2025-07-08 Country: United States of America Location: MA105: BBN Headquarters 10 Moulton Street , Cambridge, MA, 02138 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 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and gover

Lead, Embedded Software Engineer

Harris Corporation

Wilmington, Massachusetts, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Principal Systems Security Engineer (ONSITE)

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-04-16 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Secret - Current Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly skilled Principal Systems Security Engineer (PSSE) to drive cybersecurity initiatives, ensure compliance with securi

Principal Systems Engineer (Cyber Engineer) SPY6 - (On-site Marlborough, MA) P4

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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 - to help our nation a

Principal Digital Electronics Design Engineer

Draper

Remote or Cambridge, Massachusetts, 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