Principal Software Engineer Jobs in Washington

381 - 400 of 1,023 Jobs

Staff, Software Engineer, IOSJob Title - Staff, Software Engineer, IOS

Walmart Inc.Company Name - Walmart Inc.

•

Remote or Sunnyvale, California, USA

Full-time

Position Summary What you'll do About our team: As a Staff Software Engineer, you will be a key member of the iOS Walmart Plus team which owns responsibility for Walmart subscription, Customer Acquisition, Retention, and Payments that affect the entire Walmart Plus subscription; a foundational component in the support of our 265 million customers. We are looking for someone who has excellent experience in developing iOS apps, able to innovate, collaborate, and would like to make a difference

Staff, Software Engineer - People.AIJob Title - Staff, Software Engineer - People.AI

Walmart Inc.Company Name - Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary People.AI is seeking a highly skilled and experiencedStaff Machine Learning Engineer. You will be responsible for leading the development of innovative Machine Learning and Generative AI systems, as well as architecting enterprise-grade Machine Learning platform, microservices, and pipelines. About Team: The Enterprise People Technology team supports the successful deployment and adoption of new People technology across the enterprise. As a Fortune #1 company, our work impacts

Principal Engineer, Machine Learning OpsJob Title - Principal Engineer, Machine Learning Ops

Harman InternationalCompany Name - Harman International

•

California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role Join our team as a Principal MLOps Engineer and help build the infrastructure and deployment systems for a rev

Principal Communications EngineerJob Title - Principal Communications Engineer

DraperCompany Name - 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

Principal FPGA Engineer (Hybrid-Puerto Rico)Job Title - Principal FPGA Engineer (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-07-10 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid 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 Collins Aerospace has an exciting opportunity for an experienced Principal FPGA Verification

Principal Network Operation Engineer - GNOC (Remote)Job Title - Principal Network Operation Engineer - GNOC (Remote)

Oracle CorporationCompany Name - Oracle Corporation

•

Texas, USA

Full-time

Job Description We are seeking a skilled and proactive engineers with 6+ years of experience to join our Global Network Operations Center (GNOC) team. The GNOC is our front-line for addressing physical network issues and operates 24x7x365 to ensure the reliability and efficiency of our physical network infrastructure. The team is responsible for performing data collection, triage, technical analysis, incident mitigation, and redirection as necessary to maintain and optimize operations. This ons

Principal, Development Engineer - RemoteJob Title - Principal, Development Engineer - Remote

Constellation EnergyCompany Name - Constellation Energy

•

Remote or Raleigh, North Carolina, 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

Principal Propulsion System Performance Engineer (P4) - HybridJob Title - Principal Propulsion System Performance Engineer (P4) - Hybrid

RTX CorporationCompany Name - RTX Corporation

•

Remote or East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 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 refugee or a

Principal Engineer - Steam TurbineJob Title - Principal Engineer - Steam Turbine

ENTRUST Solutions GroupCompany Name - ENTRUST Solutions Group

•

Remote or Greenville, South Carolina, USA

Full-time

Join ENTRUST's Power Generation group as a fulltime-Principal Engineer - Steam Turbine focused on supporting steam turbines engineering activities. This position offers remote and hybrid schedule options with minimal travel required. ENTRUST Solutions Group Power Generation offers independent third-party engineering solutions to global power providers and plant operations. Power Generation's service offerings cover conventional and renewable power, as well as compliance, encompassing plant conc

Lead Full Stack Engineer (Bank Tech)Job Title - Lead Full Stack Engineer (Bank Tech)

Capital OneCompany Name - Capital One

•

McLean, Virginia, USA

Full-time

Lead Full Stack Engineer (Bank Tech) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Le

Principal Information Security EngineerJob Title - Principal Information Security Engineer

Fifth Third BankCompany Name - Fifth Third Bank

•

Remote

Full-time

Make banking a Fifth Third better We connect great people to great opportunities. Are you ready to take the next step? Discover a career in banking at Fifth Third Bank. Position not available for immigration sponsorship GENERAL FUNCTION: The Principal Information Security Engineer (ISE) is responsible for defining, architecting, delivering, and supporting enterprise security tools in collaboration with the IS and IT teams. This role also involves contributing to a wide range of Information Se

ARCS Solution Engineer Senior - PrincipalJob Title - ARCS Solution Engineer Senior - Principal

American Electric PowerCompany Name - American Electric Power

•

Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-25-2025 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.

Principal RF EngineerJob Title - Principal RF Engineer

Kratos Defense and Security Solutions, Inc.Company Name - Kratos Defense and Security Solutions, Inc.

•

Remote

Full-time

Job Description Kratos Microwave, Inc., a Kratos' company, is looking for a Principal RF Engineer. Kratos Defense & Security Solutions, Inc. (NASDAQ:KTOS) develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and commercial enterprises. At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees and families. Recognized as thought l

Principal Substation P&C EngineerJob Title - Principal Substation P&C Engineer

ENTRUST Solutions GroupCompany Name - ENTRUST Solutions Group

•

Remote

Full-time

Join Our Team as a P&C Engineer! Are you passionate about power systems and looking to make a significant impact in the field of protective relaying and control systems? We have an exciting opportunity for you to join our dynamic team! What You'll Do: Stay Ahead: Keep up to date with NERC and NPCC protection and control standards.Innovate: Engineer protective relay and control systems, calculate relay settings, create relay control logic, and analyze relay operations for transmission/distribut

Staff Software Engineer, Secure Development EngineeringJob Title - Staff Software Engineer, Secure Development Engineering

AirbnbCompany Name - Airbnb

•

Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Airbnb is built on trust. The Secure Software Development Engineering team is dedicated to ensuring the sec

Principal ASIC Verification Engineer (32625)Job Title - Principal ASIC Verification Engineer (32625)

Myticas LLCCompany Name - Myticas LLC

•

Remote or Ottawa, Ontario, Canada

Contract

Our client is seeking a Principal ASIC Verification Engineer to join a high-performing team developing leading-edge technology for next-generation optical networks and data centers. Responsibilities: Drive the development of verification infrastructure using SystemVerilog and UVM. Create protocol/traffic generators, checkers, and testbenches aligned with functional and standards-based requirements. Define and implement test plans at the block and sub-chip levels for advanced digital ASICs. De

Principal FPGA Design EngineerJob Title - Principal FPGA Design Engineer

DraperCompany Name - Draper

•

Remote or Cambridge, Massachusetts, USA

Full-time

Staff, Software Engineer - Front-End UIJob Title - Staff, Software Engineer - Front-End UI

Walmart Inc.Company Name - Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the

Principal Kernel EngineerJob Title - Principal Kernel Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

•

Remote

Full-time

Principal Kernel Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Writes high-quality multithread-safe code in C++ in both kernel-mode and user-modeDevelops high-quality code in Rust or a strong desire and capacity to learn quickly (Rust)Has shipped at least one production quality driver for Windows NTStrong knowledge of Win32 APIs and NT kernel internalsDebugs memory corruption issues and improves end-to-end syste

Principal Infrastructure EngineerJob Title - Principal Infrastructure Engineer

Memorial Sloan Kettering Cancer CenterCompany Name - Memorial Sloan Kettering Cancer Center

•

Remote or New York, New York, USA

Full-time

Pay Range $164,100.00-$270,900.00 Company Overview The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disea