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Engineer Jobs (On-site work)

17849 Job Offers

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Member of Technical Staff - AI/ML Infrastructure Engineer, RL Post-training
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Build scalable ML infrastructure for RL post-training at a superintelligence data research company in San Francisco. Requires deep LLM inference/training expertise (vLLM, PyTorch, distributed systems) plus strong software engineering fundamentals.
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Preference Model
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Distributed Systems Engineer
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Relace seeks a Distributed Systems Engineer in San Francisco to build a globally distributed inference cloud on Kubernetes. Requires 5+ years in production systems with Rust, C++ or Go. Own entire systems and directly impact performance and revenue.
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Relace
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GPU Kernel Engineer
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Relace seeks a GPU Kernel Engineer in San Francisco to optimize low-level performance on a global inference cloud. Requires 5+ years in C/C++, concurrency, and a proven track record of making systems significantly faster.
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Relace
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AI Engineer
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Twin Prime seeks AI Engineers in New York or Athens to build real-time reasoning systems for defense and security. Requires Python, PyTorch, deep learning expertise, and strong software engineering skills.
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Twin Prime
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Software Engineer - Core Platform
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Join a well-funded AI lab in Palo Alto as a Software Engineer building distributed systems for frontier multimodal models. Requires 3+ years with C++/Python, Kubernetes, and fault-tolerant design.
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Elorian
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Infrastructure & Security Engineer
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Join Engram as an Infrastructure & Security Engineer in San Francisco. Build secure AWS cloud infrastructure, ensure multi-tenant isolation, and lead security operations. Requires 4+ years of software engineering experience.
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Engram Lab
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Principal Mechanical Engineer / Systems Engineer
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Lead mechanical architecture for HaloBraid, a first-of-its-kind robotic braiding device in Cambridge, MA. Requires 10+ years in electromechanical product development, CAD review, DFM/DFA, and pilot-to-production delivery. Equity, full benefits, unlimited PTO.
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HaloBraid
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Forward Deployed Engineer
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Join Sola as a Forward Deployed Engineer in NYC, solving complex customer workflow challenges with AI agents. Requires strong technical skills, curiosity, and excellent communication. Build integrations and shape enterprise automation.
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Sola
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Polymer Process Engineer
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Kunin Technologies seeks a Polymer Process Engineer in Chattanooga, TN to develop ion-exchange media production. Requires polymer synthesis expertise and continuous coating experience. U.S. citizenship required.
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Kunin Technologies
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Silicon Photonics Systems Test Engineer – Optical Circuit Switches (OCS)
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Join Voyant Photonics as a Silicon Photonics Systems Test Engineer in NYC, building and automating OCS test benches for AI data centers. Requires 4+ years of optical test experience and Python skills.
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Voyant Photonics
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Embedded Firmware Engineer, Hardware Bring-up & Controls
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Embedded Firmware Engineer role in NYC for silicon photonics LiDAR and AI data center tech. Requires 2+ years embedded C/C++, ARM Cortex-M, control theory (PID, state-space), and hands-on board bring-up with scopes and schematics.
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Voyant Photonics
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Principal ASIC Engineer (Mixed-Signal)
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Voyant Photonics seeks a Principal Mixed-Signal ASIC Engineer in NYC to lead its custom IC program. Requires 7+ years analog/mixed-signal design, TIA expertise, and multiple tapeouts. Ground-floor role delivering silicon in 9-12 months.
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Voyant Photonics
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Silicon Photonics Control & Calibration Engineer - Optical Circuit Switches (OCS)
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Voyant Photonics seeks a Silicon Photonics Control & Calibration Engineer in NYC to design calibration algorithms and closed-loop control for optical circuit switches. Requires MS/BS in EE, Physics or Optics, 4+ years experience, and strong Python skills.
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Voyant Photonics
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Sensor Verification & Characterization Engineer (LiDAR)
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Voyant Photonics seeks a Sensor Verification & Characterization Engineer in NYC to test and validate chip-scale FMCW LiDAR systems. Requires 4+ years in sensor testing, Python automation, and hands-on lab expertise.
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Voyant Photonics
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Build Engineer, Castings
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Build Engineer, Castings role in Torrance, CA. Requires 5+ years of casting engineering experience, metallurgical or mechanical degree, and expertise in large steel castings, NDT methods, and DFM. Competitive benefits and equity offered.
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Hadrian Automation
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Manufacturing Engineer, Welding
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Join Hadrian as a Manufacturing Engineer, Welding in Torrance, CA. Use CAD, GD&T, and tooling expertise to support weld development and automation. 2+ years experience required. Great benefits, equity, and flexible vacation.
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Hadrian Automation
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Manufacturing Engineer, Factory Development
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Join Hadrian as a Manufacturing Engineer in New Boston, driving factory development through project execution, root cause analysis, and system building. Requires engineering degree, hands-on manufacturing experience, and up to 35% travel.
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Hadrian Automation
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Software Engineer, Cell Orchestration
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Join Hadrian as a Software Engineer in Torrance, CA, building software to orchestrate mechatronic devices and automate manufacturing cells. Requires 4+ years with Python, TypeScript, C#, or C++ and hands-on hardware work.
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Hadrian Automation
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Founding Engineer
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Founding Engineer role in Berlin to build AI procurement software. Requires 3+ years full-stack experience with TypeScript, Python, Next.js, and production LLM applications. Competitive salary and equity offered.
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Clera
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Founding Engineer
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Founding Engineer role in Berlin (hybrid) to build AI-powered freight tools. Requires 2+ years full-stack experience with Node.js, TypeScript, React and Python, plus hands-on LLM and agent development. Visa sponsorship available.
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Clera
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About the Engineer role

Engineer jobs represent a cornerstone of the operational and technical workforce, focused on the application of scientific and mathematical principles to design, develop, maintain, and improve systems, structures, and processes. While the field is incredibly diverse, spanning disciplines from civil and software to mechanical and electrical engineering, the core mission remains consistent: to solve complex problems and ensure functionality, efficiency, and safety. Professionals in these roles are the backbone of infrastructure, technology, and innovation, turning theoretical concepts into practical, working solutions that power our modern world.

Individuals in these positions typically engage in a wide array of responsibilities. A primary function involves the installation, maintenance, and preventative care of tools, equipment, and complex systems. This includes routine inspections, calibrating controls and gauges, and performing diagnostic tests to ensure everything operates within specified parameters. Troubleshooting is a daily activity, requiring engineers to identify the root cause of malfunctions and execute repairs, whether it's a mechanical failure, an electrical issue, or a problem with plumbing and HVAC systems. For those in supervisory engineer jobs, responsibilities expand to include leading teams, which involves hiring, training, scheduling, and mentoring other engineering staff to ensure a high standard of work and team cohesion.

The skill set required for engineer jobs is both broad and technical. A strong foundation is typically built through vocational, technical, or trade school education, providing essential knowledge in relevant engineering principles. Practical, hands-on experience is highly valued, often requiring several years in a related field. Key technical skills include proficiency in reading blueprints and schematics, a solid understanding of mechanical, electrical, and plumbing (MEP) systems, and the safe operation of hand and power tools. Many roles also require specific certifications, such as universal CFC handling licenses, to comply with safety and environmental regulations.

Beyond technical prowess, successful candidates for engineer jobs possess strong problem-solving abilities, acute attention to detail, and a steadfast commitment to safety protocols. They must be able to communicate clearly with team members and other departments, document their work accurately, and manage inventory of parts and supplies. Physical stamina is often necessary, as the role can involve standing for extended periods, lifting heavy objects, and working in confined spaces. A methodical and proactive approach is essential, focusing not just on fixing current issues but on implementing preventative measures to avoid future problems. For those seeking stable, hands-on, and critically important careers, engineer jobs offer a rewarding path with opportunities for continuous learning and advancement into leadership positions.