Principal Mechanical Engineer Platform Integration jobs in Hawthorne – Browse 226 openings on RoboApply Jobs

Principal Mechanical Engineer Platform Integration jobs in Hawthorne

Open roles matching “Principal Mechanical Engineer Platform Integration” with location signals for Hawthorne. 226 active listings on RoboApply Jobs.

226 jobs found

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CHAOS Industries logo
Full-time|$175K/yr - $175K/yr|On-site|Hawthorne, California, United States

CHAOS Industries is at the forefront of modern defense technology, developing advanced systems tailored for today's challenges. Our products, crafted by a team of distinguished U.S. military veterans and innovative minds from Silicon Valley, harness the power of Coherent Distributed Networks (CDN™). These solutions empower warfighters, commercial aviation op…

Mar 11, 2026
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CHAOS Industries logo
Full-time|$205K/yr - $205K/yr|On-site|Hawthorne, California, United States

CHAOS Industries is revolutionizing the landscape of modern defense with innovative systems meticulously crafted for the complexities of today's world. Our products, developed by elite U.S. military veterans alongside Silicon Valley pioneers, leverage Coherent Distributed Networks (CDN™) technology to equip warfighters, commercial air operators, and border security teams with the necessary tools to respond swiftly, adapt seamlessly, and stay ahead of swiftly evolving threats. In an era where technological challenges escalate at an unprecedented pace, CHAOS Industries stands at the forefront, delivering cutting-edge sensing and detection solutions that provide the invaluable advantage of time.Role Overview:We are on the lookout for a Senior Principal Mechanical Engineer specializing in Platform Integration. In this pivotal role, you will act as the mechanical authority, offering hands-on mechanical expertise to ensure the successful integration of ruggedized electronics, effectors, and mission-critical hardware into ground and sea-mobile platforms tailored for aerospace and defense applications. You will be responsible for the complete design process for military electronics and effector systems, focusing on critical platform structures and mechanisms. The design challenges may range from compact electronic enclosures to larger structural or mechanism assemblies, dictated by platform and mission specifications.You will manage the entire product lifecycle, from initial concept development and architecture through detailed design, analysis, prototyping, qualification testing, production, and the sustainment of deployed systems.The ideal candidate will possess strong hands-on mechanical CAD and system integration experience, proven prototyping abilities, a profound understanding of ruggedized hardware design, and a demonstrated capability to work independently while leading cross-disciplinary engineering initiatives.This is a full-time, on-site position located in Hawthorne, California.

Mar 11, 2026
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SpaceX logo
Full-time|On-site|Hawthorne, CA

Role Overview SpaceX seeks a Mechanical Integration & Test Engineer for User Products to join the Starshield team in Hawthorne, CA. This role focuses on assembling, testing, and validating mechanical systems for user-facing products. The work supports high standards for performance and reliability. What You Will Do Integrate mechanical systems for user products, ensuring proper fit and function Plan and execute tests to validate system performance and reliability Work closely with engineers from multiple disciplines to solve technical challenges Support efforts that contribute directly to SpaceX's mission in space technology

Apr 15, 2026
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CHAOS Industries logo
Full-time|$205K/yr - $205K/yr|On-site|Hawthorne, California, United States

CHAOS Industries is at the forefront of modern defense innovation, engineering omniscient systems specifically designed to tackle the challenges of today's complex landscape. Our cutting-edge products, developed by elite U.S. military veterans and visionary Silicon Valley innovators, leverage Coherent Distributed Networks (CDN™) technology. This empowers military personnel, commercial aviation operators, and border security teams to respond swiftly, adapt seamlessly, and maintain an edge over emerging threats. In an era where technological threats evolve rapidly, CHAOS Industries provides advanced sensing and detection solutions that deliver a critical advantage: time.Role Overview:We are in search of a Senior Principal Mechanical Engineer to act as the mechanical authority within our team. This role focuses on delivering high-value, hands-on expertise in integrating ruggedized electronics, effectors, and mission-critical hardware into land and sea-based mobile platforms tailored for aerospace and defense applications. You will be responsible for the comprehensive design of military electronics and effector systems, addressing both critical platform structures and mechanisms. Design challenges will vary, from compact electronics enclosures to larger structural and mechanism assemblies, based on specific platform and mission criteria.This position encompasses the entire product lifecycle, including early concept development, architectural design, detailed engineering, prototyping, qualification testing, production, and the ongoing support of deployed systems.The ideal candidate will possess robust hands-on mechanical CAD and system integration experience, demonstrated prototyping capabilities, and a profound understanding of ruggedized hardware design, coupled with the ability to work independently while guiding interdisciplinary engineering projects.This is a full-time, on-site role based in Hawthorne, CA.

Mar 12, 2026
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CHAOS Industries logo
Full-time|$175K/yr - $175K/yr|On-site|Hawthorne, California, United States

At CHAOS Industries, we are at the forefront of modern defense technology, crafting sophisticated systems tailored to meet the dynamic challenges of today. Our team comprises elite U.S. military veterans and visionary Silicon Valley innovators, dedicated to developing products that leverage Coherent Distributed Networks (CDN™). These technologies enable warfighters, commercial air operators, and border protection teams to respond swiftly, adapt seamlessly, and maintain a strategic advantage against evolving threats. In an era of rapid technological advancement, CHAOS Industries delivers cutting-edge sensing and detection solutions that prioritize the critical advantage of time.Role Overview:CHAOS Industries is on the lookout for a Principal Mechanical Engineer to bring exceptional mechanical expertise to the integration of ruggedized electronics, effectors, and mission-critical hardware within ground and sea-mobile platforms for aerospace and defense applications. This pivotal role involves leading the design process for mechanical integration of military electronics and effector systems with essential platform structures and mechanisms. Challenges may encompass everything from compact electronic enclosures to larger structural assemblies, tailored to specific platform and mission requirements.You will engage throughout the entire product lifecycle, guiding projects from early concept development and architecture to detailed design, analysis, prototyping, qualification testing, production, and ongoing support of fielded systems.The ideal candidate possesses extensive hands-on mechanical CAD and system integration experience, strong prototyping abilities, a comprehensive understanding of ruggedized hardware design, and a proven track record of working independently while leading cross-disciplinary engineering initiatives.This is a full-time, on-site opportunity based in Hawthorne, CA.

Mar 12, 2026
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CHAOS Industries logo
Full-time|On-site|Hawthorne, California, United States

At CHAOS Industries, we are revolutionizing modern defense through an innovative portfolio of products designed for ultimate domain dominance. Our solutions, powered by Coherent Distributed Networks (CDN™), enable warfighters, commercial air operators, and border protection teams to respond swiftly, adapt to changing circumstances, and stay ahead of emerging threats. Founded in 2022, CHAOS Industries has successfully secured $1 billion in funding from top-tier investors, including 8VC, Accel, and Valor Equity Partners. Our headquarters is located in Los Angeles, with additional offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit www.chaosinc.com. Role Overview: We are on the lookout for a highly skilled Principal or Senior Principal Mechanical Engineer to spearhead the design, development, and integration of cutting-edge missile and UAV launcher systems. This pivotal role encompasses the complete mechanical design lifecycle—from initial concept development through to production and ongoing support—of launcher systems that cater to solid rocket motor effectors, turbine-powered UAVs, and electrically powered UAV systems across mobile ground and maritime platforms. You will work closely with cross-functional teams and oversee the technical management of subcontracts. This position is ideal for engineers who excel in fast-paced, hands-on environments and are adept at managing hardware from concept to field deployment. The successful candidate will possess robust hands-on mechanical CAD and system integration experience, a proven track record in launcher design and integration, a deep understanding of ruggedized hardware design, and the capability to work independently while guiding multidisciplinary engineering teams.

Apr 9, 2026
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SpaceX logo
Full-time|On-site|Hawthorne, CA

Join SpaceX as a Mechanical Integration & Test Engineer for the Starshield program, where you will contribute to the development and testing of innovative mechanical systems. In this role, you will work closely with interdisciplinary teams to ensure high-performance integration and testing of mechanical components in our cutting-edge spacecraft.

Apr 10, 2026
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CHAOS Industries logo
Full-time|$130K/yr - $160K/yr|On-site|Hawthorne, California, United States

CHAOS Industries is at the forefront of modern defense, offering a diverse product portfolio designed to ensure domain superiority. Our cutting-edge products leverage Coherent Distributed Networks (CDN™), equipping military personnel, commercial aviation operators, and border security teams with the tools they need to respond swiftly, adapt with agility, and remain ahead of emerging threats.Founded in 2022, CHAOS Industries has successfully raised $1 billion in funding from top-tier investors, including 8VC, Accel, and Valor Equity Partners. Our headquarters are located in Los Angeles, with additional offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For further details, please visit www.chaosinc.com.Role Overview:We are in search of a skilled Integration & Test Engineer to enhance the development, integration, verification, and validation processes for effector systems and subsystems utilized in air defense applications. This hands-on role is pivotal in ensuring that our hardware and software components meet stringent system requirements.As an Integration & Test Engineer, you will facilitate the integration, verification, and validation of effector systems at various levels, ranging from bench setups to full systems. Your work will encompass direct interaction with hardware, software, and firmware, troubleshooting issues throughout the entire stack—from embedded software to physical hardware.We seek individuals who thrive in hands-on environments and are passionate about learning through practical experience. The ideal candidate will possess robust prototype hardware integration skills and experience in configuring embedded subsystems, including GPS receivers, telemetry radios, and flight controllers. Additionally, this role involves developing and executing test procedures, which also encompass automated testing, calibration, and post-test data analysis scripting. Experience with drones or UAS platforms is highly desirable.

Mar 11, 2026
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SpaceX logo
Full-time|$200K/yr - $285K/yr|On-site|Hawthorne, CA

At SpaceX, we are driven by a vision of a future where humanity explores the cosmos. Our mission is to develop groundbreaking technologies that will enable human life on Mars and beyond.Principal Software Engineer, Continuous Integration (Starship)In the role of Principal Software Engineer on the Starship Continuous Integration team, you will take the lead in developing the tools that fuel Starship's software engineering efforts. Your responsibilities will include designing, maintaining, and scaling systems that empower hundreds of engineers to seamlessly integrate their code changes and ensure the delivery of reliable software for all Starship vehicles and launch facilities. This position offers significant autonomy, and we seek individuals who thrive in collaborative environments, can identify key challenges, and drive solutions from inception to completion!Aerospace experience is not a prerequisite for success in this position; we prioritize smart, motivated engineers who excel at problem-solving and wish to amplify the impact of our software development efforts, contributing to SpaceX’s mission of making life multiplanetary.

May 2, 2026
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SpaceX logo
Full-time|On-site|Hawthorne, CA

As a Mechanical Engineer specializing in Facilities at SpaceX, you will play a critical role in designing, analyzing, and improving our facility systems. Your expertise will be crucial in ensuring the efficiency and reliability of our operations as we strive to reach ambitious goals in aerospace innovation.

Apr 6, 2026
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Space Exploration Technologies Corp. logo
Mission Integration Engineer (Starshield)

Space Exploration Technologies Corp.

Full-time|$100K/yr - $135K/yr|On-site|Hawthorne, CA

At SpaceX, our vision is to enable humanity’s exploration of the cosmos, making a future where we venture into the stars a thrilling reality. We are at the forefront of developing the technologies necessary for human life on Mars.MISSION INTEGRATION ENGINEER (STARSHIELD)Starshield utilizes our advanced Starlink technology and launch capabilities to support vital national security initiatives. While Starlink serves commercial and consumer markets, Starshield is tailored for government applications, with a focus on Earth observation, communications, and hosted payloads.As a key member of the Mission Management team, you will act as the primary liaison for customers from the initial stages of capability studies through successful launch and on-orbit activation. You will also assist in developing new business proposals, guiding them from initial requirements negotiation to final handoff and validation.Your role will include leading and integrating system trades across various launch vehicles, spacecraft, and sensors, while analyzing diverse solutions to meet mission objectives. You will play a crucial role in crafting operational concepts and interfaces at multiple levels, including mission, segment, system, and sub-system. Expect to employ your creativity and engineering expertise to devise and test innovative approaches to achieve technical and programmatic goals.The ideal candidate possesses a solid technical background in space vehicle design, integration, and verification throughout the program lifecycle. We seek engineers who thrive on tackling complex challenges, excel in a dynamic environment, and are committed to advancing the space industry.

Mar 5, 2026
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Oligo logo
Full-time|$140K/yr - $140K/yr|On-site|Hawthorne

Oligo is pioneering a manufacturing-in-the-loop foundation model designed to revolutionize spacecraft design and production on a global scale. We empower our clients to concentrate on their technology and mission goals while we expertly manage all aspects from design and manufacturing to launch and operational execution. Our talented team, comprised of ex-MIT, Harvard, and NASA JPL experts, leverages state-of-the-art AI-driven generative design and automated manufacturing techniques to deliver the most sophisticated payload-specific spacecraft in mere weeks instead of months.Supported by an exceptional board of advisors and backed by prominent investors like Lux Capital, we are constantly seeking out innovative builders, quick learners, and driven engineers. If your interests lie in spacecraft systems, avionics, machine learning, artificial intelligence, or advanced manufacturing, you will collaborate across various disciplines on real missions that launch, operate in orbit, and scale globally.At Oligo, we merge top-tier AI/ML talents with leading satellite engineers under a single roof to redefine the construction of space systems from the ground up. Experience a workplace free of bureaucracy and traditional constraints.If you believe you are the right fit, we are eager to meet you!As a Manufacturing Engineer, you will play a crucial role as a primary builder of our flight hardware—transforming raw materials into precision components destined for space. You will operate CNC equipment, manual machines, and fabrication tools to produce spacecraft components with stringent tolerances and unmatched reliability. Close collaboration with mechanical engineers, avionics teams, and integration technicians will be essential to ensure hardware transitions smoothly from design to reality.This position is ideal for individuals passionate about machining, who can work swiftly without compromising precision, and who thrive in environments where craftsmanship directly contributes to mission success.

Feb 3, 2026
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Oligo logo
Full-time|$110K/yr - $164K/yr|On-site|Hawthorne

Oligo is revolutionizing spacecraft design and production with our innovative manufacturing-in-the-loop foundation model. We empower clients to concentrate on their technology and mission goals while we manage the entire spectrum from design to launch and operations. Utilizing advanced AI-driven generative design and automated manufacturing, our highly skilled team, comprised of ex-MIT, Harvard, and NASA JPL professionals, delivers cutting-edge payload-specific spacecraft in mere weeks instead of months.With world-class advisors and robust funding from prestigious investors like Lux Capital, we seek exceptional builders, quick learners, and ambitious engineers. Whether your interests lie in spacecraft systems, avionics, ML/AI, or advanced manufacturing, you will collaborate across disciplines on real missions that are launched, operational in orbit, and scalable worldwide.We unite top-tier AI/ML talent with leading satellite engineers in a bureaucracy-free environment, allowing us to reimagine how space systems are constructed, starting from first principles. If you believe you are a fit, we are eager to meet you.As a Mechanical Generative Spacecraft Engineer, you will be a key architect of our flight systems—designing, integrating, and testing spacecraft within a small, highly capable team. You will connect mechanical and electrical disciplines, drive systems-level decisions, and physically construct what you design.Your ResponsibilitiesIn this role, you will take ownership of significant spacecraft components and facilitate communication between mechanical and electrical subsystems. You will lead the systems engineering efforts throughout the spacecraft's entire lifecycle. Your duties will include:Mechanical & Structural DesignSpearhead the design of spacecraft mechanical subsystems: primary structures, mechanisms, enclosures, mounts, and deployables.Develop detailed 3D models, drawings, and assemblies utilizing GD&T (Geometric Dimensioning and Tolerancing).

Oct 30, 2025
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SpaceX logo
Full-time|$160K/yr - $225K/yr|On-site|Hawthorne, CA

SpaceX was founded on the vision that exploring the stars is a more exciting future for humanity. Currently, SpaceX is pioneering technologies that aim to make this vision a reality, with the ultimate goal of establishing human life on Mars.SENIOR SOFTWARE ENGINEER, CONTINUOUS INTEGRATION (STARSHIP)As a Senior Software Engineer on the Continuous Integration team for Starship, you will take charge of the tools that power the development of Starship software. Your role will involve designing, maintaining, and scaling systems that enable hundreds of engineers to seamlessly integrate their changes and deliver robust software to Starship vehicles and launch pads continuously. This position offers a high degree of autonomy, and we are seeking individuals who are eager to collaborate with teammates, identify significant challenges, and lead solutions from inception to completion!Aerospace experience is not mandatory for success in this role; we prioritize intelligent, motivated, and collaborative engineers who are passionate about problem-solving and want to significantly contribute to creating world-class software that is vital to SpaceX's mission of making life multiplanetary.

May 2, 2026
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Space Exploration Technologies Corp. logo
Software Engineer, Continuous Integration for Starship

Space Exploration Technologies Corp.

Full-time|$125K/yr - $175K/yr|On-site|Hawthorne, CA

At SpaceX, we believe that a future where humanity explores the stars is infinitely more thrilling than one where we remain Earthbound. We are at the forefront of developing technologies that will make interplanetary life a reality, with the ultimate goal of enabling human existence on Mars.SOFTWARE ENGINEER, CONTINUOUS INTEGRATION (STARSHIP)As a vital member of the Starship Continuous Integration team, you will take charge of the tools that drive software development for Starship. Your role will involve designing, maintaining, and scaling systems that empower hundreds of engineers to seamlessly integrate their changes and deliver reliable software for all Starship vehicles and launch pads continuously. This position allows for a high degree of autonomy, and we are looking for individuals who thrive in collaborative environments, eager to identify significant challenges and implement solutions from inception to completion!Aerospace experience is not mandatory for success in this role; instead, we seek intelligent, driven, and collaborative engineers who have a passion for problem-solving and aspire to be instrumental in creating exceptional software critical to SpaceX’s mission of making life multi-planetary.

May 2, 2026
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SpaceX logo
Full-time|$95K/yr - $130K/yr|On-site|Hawthorne, CA

At SpaceX, we believe that a future where humanity explores the stars is far more exhilarating than one where we do not. Our mission is to develop the technologies that will make interplanetary travel a reality, ultimately enabling human life on Mars.MECHANICAL ENGINEER - COMPONENTS BUILD ENGINEER FOR STARSHIPThe Starship Components Manufacturing team is responsible for the assembly, testing, troubleshooting, and delivery of vital flow control devices and mechanisms that empower the capabilities of Starship and Super Heavy. We engineer and manufacture critical components such as valves, regulators, and actuators designed for maximum reliability in extreme conditions, with temperatures ranging from +900°F to -400°F and pressures exceeding 10,000 psig. As a mechanical engineer at SpaceX, you will leverage your expertise, experience, and innovative spirit to create cutting-edge solutions in aerospace technology. You will introduce groundbreaking products to our manufacturing processes, optimize factory layouts, implement rigorous testing protocols, conduct detailed root cause analyses, and drive the achievement of unprecedented component build rates at SpaceX.

Feb 27, 2026
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Oligo logo
Internship|On-site|Hawthorne

Oligo is pioneering a transformative manufacturing-in-the-loop foundation model designed to automate the design and production of spacecraft on a global scale. Our innovative approach empowers clients to concentrate on their own technological advancements and mission goals while we manage everything from design and manufacturing to launch and operational support. Utilizing state-of-the-art AI-driven generative design and automated manufacturing, our accomplished team, featuring alumni from MIT, Harvard, and NASA JPL, is dedicated to producing sophisticated, payload-specific spacecraft in weeks instead of months.With distinguished advisors and substantial backing from leading investors such as Lux Capital, we are continuously seeking outstanding builders, quick learners, and ambitious engineers. Whether your interests lie in spacecraft systems, avionics, machine learning, artificial intelligence, or advanced manufacturing, you will collaborate across various disciplines on genuine missions that launch, perform in orbit, and scale globally.We integrate elite AI/ML experts with top satellite engineers under one roof to redefine the construction of space systems, starting from foundational principles. Expect a dynamic, bureaucratic-free environment that fosters innovation.If you believe you are a strong match, we are eager to connect with you.Mechanical Spacecraft Engineering InternAs a Mechanical Spacecraft Engineering Intern, you will be responsible for the deliverables related to our spacecraft design and testing. This role will involve bridging mechanical and electrical disciplines, influencing systems-level decisions, and bringing your designs to life through hands-on building.This position is ideal for students who prefer working in a machine shop over a library, thriving where creativity and accountability intersect, and are eager to tackle complex problems with practical solutions.Your ResponsibilitiesIn the role of Mechanical Spacecraft Engineering Intern, you will take ownership of specific mechanical sub-assemblies and assist in the integration of spacecraft components. You will receive mentorship from experienced engineers while being encouraged to independently advance your projects. Your key tasks will include:Mechanical & Structural Design: Take charge of sub-system designs, contributing to the design of essential structures, mechanisms, enclosures, and mounts.CAD & Documentation: Develop detailed 3D models and technical drawings utilizing GD&T principles to ensure manufacturability.

Feb 4, 2026
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Space Exploration Technologies Corp. logo
Full-time|$100K/yr - $135K/yr|On-site|Hawthorne, CA

About the Role SpaceX is developing technologies to support human life beyond Earth, with a focus on enabling missions to Mars. The Starship team in Hawthorne, CA, is at the center of this mission. What You Will Do Design and build critical flight hardware for Starship, including primary structures, propellant tanks, integration interfaces, and structural subassemblies. Make fast, high-impact decisions and solve complex engineering problems in real time. Take full ownership of the hardware development process, from concept through hands-on fabrication and integration. Develop expertise in design for manufacturability, with emphasis on sheet metal and subassembly design and fabrication. Work closely with production teams on the shop floor to bring designs into reality. Location This position is based in Hawthorne, CA.

Apr 17, 2026
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CHAOS Industries logo
Full-time|$110K/yr - $220K/yr|On-site|Hawthorne, California, United States

CHAOS Industries is revolutionizing modern defense through the development of omniscient systems specifically designed for the challenges of today's world. Our innovative products, crafted by elite U.S. military veterans and pioneering Silicon Valley experts, leverage Coherent Distributed Networks (CDN™) technology. This empowers military personnel, commercial aviation operators, and border security teams to respond swiftly, adapt efficiently, and stay ahead of emerging threats. In an era where technological threats evolve at breakneck speed, CHAOS Industries provides advanced sensing and detection solutions that deliver the critical advantage of time.Founded in 2022, CHAOS Industries has successfully secured $1 billion in funding from prominent investors, including 8VC, Accel, and NEA. Our headquarters are located in Los Angeles, with additional offices in Washington, D.C., San Francisco, and London. To learn more about us, please visit www.chaosinc.com.

Mar 11, 2026
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Space Exploration Technologies Corp. logo
Full-time|On-site|Hawthorne, CA

As a Mission Integration Engineer specializing in User Products at SpaceX, you will play a pivotal role in ensuring seamless integration of our advanced user interfaces and systems. You’ll collaborate closely with cross-functional teams to enhance product capabilities, streamline processes, and ensure user-centric designs that meet our ambitious goals. This position demands a passion for innovative engineering and a commitment to excellence in mission-critical environments.

Apr 10, 2026

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