Principal Engineer Jobs in Los Angeles, CA

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Principal Full Stack Software Engineer (Starshield)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL FULL STACK SOFTWARE ENGINEER (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial
Posted 60+ days ago | Updated 1 hour ago

Principal Process Engineer

Parsons Services Company

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Pasadena, California, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Principal Process Engineer - Wastewater Systems - Los Angeles, CA OPPORTUNITY : Th
Posted 60+ days ago | Updated 1 hour ago

Principal Full Stack Software Engineer (Starshield) - Top Secret Clearance

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL FULL STACK SOFTWARE ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for c
Posted 60+ days ago | Updated 1 hour ago

Engine Systems & Test Team- Principal Engine Systems Development Engineer

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 1 hour ago

Principal Kernel Ransomware Engineer

Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Kernel Ransomware Engineer. Candidate will contribute to the Windows agents ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains. This development will allow the product to better protect customers from the threat of ransomware. Responsibilities: Develops
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Posted 47 days ago | Updated 13 days ago

Software Engineer V / Sr. Principal Engineer

Medifast, Inc.

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Remote or Baltimore, Maryland, USA

Full-time

About the Opportunity At Medifast, our team members are relentless in our mission of driving Lifelong Transformation, Making a Healthy Lifestyle Second Nature . When you join Medifast, you become part of a dynamic, fast-growing community of highly motivated, like-hearted people who share a passion for promoting health and wellness. Just as OPTAVIA Coaches inspire Clients to reach their personal wellness goals, at Medifast, we inspire each other to bring our best to work each day to further our s
Posted 44 days ago | Updated 10 hours ago

Principal Software Engineer

Fifth Third Bank

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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. GENERAL FUNCTION: Designs and implements technology and software solutions as a member of an agile squad. Being assigned to an agile squad means this role also participates in all agile ceremonies driving activities from architecture and design to delivery. Models software development best practices and leads communities of prac
Posted 1 day ago | Updated 1 hour ago

Principal Software Engineer - Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 1 hour ago

Principal Software Engineer

General Motors

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Remote

Full-time

Job Description Remote: This role is based remotely but if you live within a 50-mile radius of [Atlanta, Austin, Detroit, Warren, or Mountain View ], you are expected to report to that location three times a week, at minimum. The Role: As a Principal Software Engineer, you will be responsible for executing the plan for design, development and testing of automotive infotainment application software using C/ C++ . Work cross functionally with design, product, systems, and program teams to ensure
Posted 5 days ago | Updated 10 hours ago

Principal, Software Engineer - Full-Stack

Walmart Inc.

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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
Posted 1 hour ago

Principal Integration Engineer

Rivago infotech inc

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Remote

Third Party, Contract

Role: Principal Integration Engineer Location: New York (Remote and willing to visit customer location based on business needs) Experience : 15+ Job Description: We are seeking a highly skilled and experienced Principal Engineer specializing in integration systems to join our Engineering team with 15+ years of experience. As a Principal Engineer, you will lead the design, development, and implementation of highly integrated brokerage systems. You will collaborate closely with our engineering tea
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Posted 11 days ago

Principal Software Engineer / Ruby

Decisiv

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Remote

Full-time

REMOTE Position Decisiv is seeking a Principal Software Engineer to lead the architecture, scalability, and interoperability of our growing platform. As technology landscapes shift, our platform must evolve to handle increasing data demands, automation, and intelligent decision-making while maintaining reliability and flexibility. As a Principal Engineer, you will define long-term technical strategy, guide cross-team architecture, and mentor engineers, ensuring our platform continues to adapt to
Posted 13 days ago | Updated 13 days ago

Principal, Software Engineer - Front-End UI Engineer

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmarts 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
Posted 1 hour ago

Principal Software Engineer - JVM Ecosystem

ServiceNow, Inc.

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Remote or Santa Clara, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 11 days ago | Updated 1 hour ago

Principal Linux Engineer

Kforce Technology Staffing

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Remote or Draper, Utah, USA

Contract

RESPONSIBILITIES: Kforce's client in Draper, UT is seeking a Principal Linux Engineer to take full ownership of their enterprise Linux environment across on-premises and cloud infrastructure. Summary: Working alongside other principal-level engineers, you will be the most senior Linux specialist on the team. This is a hands-on role focused on standardizing, automating, and securing the Linux fleet. Architecture experience is a plus, but this is not an architecture or leadership role - it's about
Posted 2 days ago | Updated 1 day ago

Principal Mechanical Project Engineer - Hybrid

Johnson Controls, Inc.

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Remote or York, Pennsylvania, USA

Full-time

Hybrid work opportunity - Consideration given to applicants within a commutable distance from York, PA. or must be willing to relocate. Build your best future with the Johnson Controls team! Who We Are: 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
Posted 2 days ago | Updated 1 hour ago

Principal, Software Engineer

Walmart Inc.

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Remote or Bellevue, Washington, USA

Full-time

Position Summary Are you passionate about applying cutting-edge GenAI technology to revolutionize customer service? Do you dream of playing a technical leadership role that will shape the future of the customer service experience at Walmart's scale? If you possess exceptional technical expertise, curiosity, and a desire to build scalable products with GenAI, this opportunity may be for you. As a Principal Software Engineer with the Customer Care Technology team, you will play a pivotal role in
Posted 29 days ago | Updated 1 hour ago

Principal Software Engineer - Cloud Engineering (Remote)

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 9 days ago | Updated 2 hours ago

Principal Software Engineer, Virtual Economy Platform

Roblox

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Remote or San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 10 days ago | Updated 1 hour ago

Principal Software Engineer

Quest Diagnostics Inc.

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Remote or Schaumburg, Illinois, USA

Full-time

Overview The principle engineer works as part of an agile team to design and implement new features and technologies. The goal is to use, evaluate, and learn exciting new technologies that keep our products and teams on the cutting edge. Please note this position is based in Chicago, IL. The work requirement is 3 days in the office and 2 days can be work from home. Pay Range: $150K - $170K/ year Salary offers are based on a wide range of factors including relevant skills, training, experience
Posted 30 days ago | Updated 1 hour ago