Principal Software Engineer Jobs

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Principal C++ Software Engineer (Onsite)

RTX Corporation

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St. Petersburg, Florida, USA

Full-time

Date Posted: 2025-05-14 Country: United States of America Location: FL915: St. Petersburg - Bldg D 7401 22nd Ave N. Building D, St. Petersburg, FL, 33710 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 Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologica
Posted 52 days ago | Updated 5 hours ago

Principal Software Development Engineer - OCI (Austin-TX or Nashville-TN)

Oracle Corporation

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Austin, Texas, USA

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly l
Posted 54 days ago | Updated 5 hours ago

Sr Principal Engineer Software (ATP Cloud Service)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 35 days ago | Updated 5 hours ago

Principal Platform Engineer - Software Engineer

Truist

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Atlanta, Georgia, USA

Full-time

The position is described below. If you want to apply, click the Apply Now button at the top or bottom of this page. After you click Apply Now and complete your application, you'll be invited to create a profile, which will let you see your application status and any communications. If you already have a profile with us, you can log in to check status. Need Help? If you have a disability and need assistance with the application, you can request a reasonable accommodation. Send an email to Acce
Posted 46 days ago | Updated 5 hours ago

Principal Signals Software Engineer (Onsite)

RTX Corporation

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State College, Pennsylvania, USA

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: PA602: 302 Science Park Road, Bldg 5C 302 Science Park Road Building 5C, State College, PA, 16803-2214 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: TS/SCI with Polygraph **This position is eligible for a Sign-On Bonus** At Raytheon, the foundation of everything
Posted 59 days ago | Updated 5 hours ago

Sr Principal Engineer Software (Front End Engineer)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 37 days ago | Updated 5 hours ago

Principal Software Cyber Engineer

Draper

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Boston, Massachusetts, USA

Full-time

Job Description Summary: A Cybersecurity Engineer (PMTS) leverages an understanding of hardware, firmware/software, and existing or custom tooling to evaluate systems for vulnerabilities and/or to develop software to exploit and alter the behavior of a system. Offensive Security Engineers are responsible for both identifying and defeating modern defensive security techniques in both hardware and software to deliver software that can withstand environmental scrutiny. Works independently, in conju
Posted 24 days ago | Updated 23 hours ago

Principal Embedded Software Engineer (Onsite)

RTX Corporation

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Richardson, Texas, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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 Are you looking to make a meaningful, positive impact while advancing your career? Embark on a journey where your expertise in
Posted 59 days ago | Updated 5 hours ago

Principal, Software Development Test Engineer

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

Hybrid, 3 days onsite, 2 days remote We are unable to sponsor as this is a permanent full-time role Responsibilities: Develop and execute integration test strategy for assigned productsDevelop and execute test plans, develop test automationLead the testing and automation function in collaboration with other team membersExecute test plans and prepare clearly documented results, demonstrate the results to the product teams and managementReview release notes of delivered functionality and create te
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Posted 24 days ago | Updated 19 days ago

Principal DevSecOps Software Engineer (Onsite)

RTX Corporation

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State College, Pennsylvania, USA

Full-time

Date Posted: 2025-06-05 Country: United States of America Location: PA602: 302 Science Park Road, Bldg 5C 302 Science Park Road Building 5C, State College, PA, 16803-2214 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: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher call
Posted 33 days ago | Updated 5 hours ago

Principal Deep Learning Software Engineer, LLM Performance

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are now looking for a Principal Deep Learning Software Engineer, LLM Performance! NVIDIA is seeking an experienced Deep Learning Engineer passionate about analyzing and improving the performance of LLM inference! NVIDIA is rapidly growing our research and development for Deep Learning Inference and is seeking excellent Software Engineers at all levels of expertise to join our team. Companies around the world are using NVIDIA GPUs to power a revolution in deep learning, enabling breakthroughs
Posted 54 days ago | Updated 5 hours ago

Principal Software Safety Engineer

RTX Corporation

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Huntsville, Alabama, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: AL218: 315 Bob Heath Drive,Huntsville 315 Bob Heath Drive , Huntsville, AL, 35806 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 our nation and al
Posted 59 days ago | Updated 5 hours ago

Sr Principal Cyber Systems/Software Engineer (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 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 Are you big into Crypto? We're not talking currency. Our Crypto team in the creates cutting edge embedded cryptographic capabilit
Posted 48 days ago | Updated 5 hours ago

Principal Software Design Engineer

Iridium Satellite LLC

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Chandler, Arizona, USA

Full-time

Company Overview Iridium is an award-winning and innovative satellite communications company with bragging rights to the only network that offers voice and data connectivity anywhere in the world. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things. At Iridium, we understand the importance of staying connected and the limitations of traditional communications networks. People across
Posted 60+ days ago | Updated 2 hours ago

Principal Full Stack Software Engineer

Toyota Motor North America

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Plano, Texas, USA

Full-time

Overview Who we are Collaborative. Respectful. A place to dream and do. These are just a few words that describe what life is like at Toyota. As one of the world's most admired brands, Toyota is growing and leading the future of mobility through innovative, high-quality solutions designed to enhance lives and delight those we serve. We're looking for talented team members who want to Dream. Do. Grow. with us. An important part of the Toyota family is Toyota Financial Services (TFS), the finan
Posted 57 days ago | Updated 2 hours ago

Principal R&D Software Engineer - Shockwave

Johnson & Johnson

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Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 60+ days ago | Updated 18 hours ago

Principal Generative-AI Software Engineer

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

At NVIDIA, we're not just building the future-we're generating it. Our Cosmos generative AI engineering team is pushing the boundaries of what's possible across multimodal learning, video generation, synthetic data, and intelligent simulation. We welcome hard-working engineers and applied scientists with deep experience in generative modeling to help define the next era of AI computing. What you'll be doing: Design, post-train, and optimize novel world models (e.g., diffusion video models, VLM
Posted 56 days ago | Updated 5 hours ago

Principal Software Development Engineer

Splunk Inc.

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Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 60+ days ago | Updated 5 hours ago

Principal Embedded Software Engineer- Boot Firmware

Qualcomm Technologies

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San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: You will be part of the Core Platform bootloader team enabling diverse Qualcomm SoCs to boot all the way from ROM firmware till OS entry. Areas this team works on, but not limited to, include several stages of system initialization, secure boot and authentication, platform and device configurations, execution environment enablement across new emerging CPU architectures,
Posted 60+ days ago | Updated 5 hours ago

Principal Engineer Software (UI Cloud Platform Management)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 48 days ago | Updated 5 hours ago