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<h3>Job Description</h3>
⚡ Role: Senior Engineering Manager/Director
&amp;#x1F30E; Location: San Francisco Bay Area (On-Site)
&amp;#x1F4B0; Salary: $210,000-$250,000
 
 
⚡ Company Overview:
This is an exciting opportunity to join a cutting-edge early-stage technology company at the forefront of transforming energy storage and battery management. Operating in the rapidly growing grid-scale and electric vehicle battery sectors, the company is backed by strong intellectual property and visionary leadership. Their breakthrough technologies are addressing some of the most pressing safety and performance challenges in the industry, making a significant impact on the transition to clean and renewable energy. They are now actively looking for a Senior Engineering Manager/ Director for the Hardware Engineering Team.
 
⚡ Position Summary:
<ul>
<li>Lead the design and development of high-efficiency power conversion solutions (e.g., DC-DC converters), exploring innovative architectures and control techniques to optimize performance.</li>
<li>Define the Battery Management System (BMS) product roadmap for both grid-scale energy storage and electric vehicle applications.</li>
<li>Provide hands-on support during product field deployment and offer technical assistance to key customers as needed.</li>
<li>Play a key role in the team’s expansion and overall success.</li>
</ul>
 
 
⚡ What You Bring:
<ul>
<li>BS, MS, or PhD in Electrical Engineering, Computer Engineering, or a closely related field.</li>
<li>10+ years of experience in relevant roles.</li>
<li>Strong knowledge of Battery Management System (BMS) design principles and characterization methodologies.</li>
<li>Solid foundation in both analog and digital circuit design, as well as microprocessor-based system architecture.</li>
<li>Proven experience in the design, integration, and testing of firmware- and software-controlled hardware systems.</li>
<li>Hands-on experience working with high-power and high-voltage electronic systems.</li>
</ul>
 
⚡ Compensation and Benefits:
<ul>
<li>Competitive salary with growth potential.</li>
<li>Opportunity to contribute to transformative advancements in battery safety and energy storage technologies.</li>
<li>Collaborative and innovative work environment within a rapidly growing startup.</li>
</ul>
 
 
&amp;#x1F4E7; Sounds like you? Please click on the ‘Easy Apply’ button. You can also send your resume directly to <a href="mailto:sean.suen@storm4.com" target="_blank">sean.suen@storm4.com</a> or message me directly!
 
⚡ Storm4 is a specialist GreenTech recruitment firm with clients across Europe, APAC and North America. To discuss open opportunities or career options, please visit our website at <a href="http://www.storm4.com" target="_blank">www.storm4.com</a> and follow the Storm4 LinkedIn page for the latest jobs and information

Director of Hardware Engineering

<h3>Job Description</h3>
Senior Machine Learning Engineer (Senior/Staff/Principal)
 
Location - &gt; SF Bay Area (Preferrable)
Package - &gt; $250k base + Equity &amp; Benefits
 
A Startup operating at the intersection of Generative AI &amp; Gaming are looking to bring a new Senior ML Engineer into their team to work alongside their Research Lead. 
 
The org are pioneering interactive experiences where players can go anywhere, be anyone, and do anything – all powered by cutting edge language models. 
 
With millions of regular monthly players, the team are backed by the top VCs and boast a team from the likes of Riot Games, Unity, &amp; Nvidia. 
 
The Role 
This is true 0 to1 and 1 to 10 phase work - you’ll own major pieces of the core product, be a key contributor to future releases, and see your impact in real-time through player engagement and experience.
 
You’ll work on cutting-edge LLMs, design experiments, train models, and evaluate performance. If you thrive on solving open-ended problems and want to push the boundaries of AI in games, this is your playground.
 
Requirements 
<ul>
<li>Relevant CS / ML degree or similar </li>
<li>Relevant experience in LLM focused ML positions </li>
<li>Experience with Evaluation, Inference, and Optimization </li>
<li>Background in Gaming (Not essential) </li>
</ul>
 
Get in touch for more details!

Machine Learning Engineer

<h3>Job Description</h3>
Research Engineer – Post Training Reinforcement Learning
Location: San Francisco (Hybrid)
 
About TensorStax
TensorStax is building fully autonomous AI systems to manage and maintain mission-critical data infrastructure and pipelines. We leverage reinforcement learning to enhance language models' ability to reason over large-scale data lakes and warehouses, detect pipeline failures, construct new pipelines with high precision, and enable agentic behavior—allowing systems to proactively identify and resolve issues autonomously.
 
What You’ll Do
As a Research Engineer specializing in Reinforcement Learning, you will:
 
<ul>
<li>Develop and refine reward functions to optimize agent behavior for complex data engineering tasks.</li>
<li>Create RL gym environments for language model agents.</li>
<li>Fine-tune language models using reinforcement learning techniques such as PPO, DPO, and KTO.</li>
<li>Stay at the forefront of research on RL for language models, incorporating advancements like GRPO, SWE-Gym, and SWE-RL into practical applications.</li>
<li>Curate and build high-quality datasets for supervised fine-tuning (SFT) and RLHF.</li>
<li>Design experiments to evaluate and improve the agentic capabilities of language models in data environments.</li>
</ul>
 
What We’re Looking For
<ul>
<li>Deep understanding of reinforcement learning, reward shaping, and optimization strategies.</li>
<li>Strong familiarity with LLM fine-tuning techniques (PPO, DPO, KTO) and their applications in reinforcement learning.</li>
<li>Knowledge of recent advancements in RL for language models (GRPO, SWE-Gym, SWE-RL).</li>
<li>Experience curating and constructing high-quality datasets for fine-tuning.</li>
<li>Strong problem-solving skills and a history of working on complex ML projects.</li>
<li>High agency—ability to work independently, experiment proactively, and drive research initiatives forward.</li>
</ul>
 
Bonus Points
<ul>
<li>Experience with distributed training in PyTorch (DDP, FSDP).</li>
<li>Hands-on experience designing RL environments for traditional RL problems.</li>
<li>Contributions to open-source projects in RL, LLMs, or ML infrastructure.</li>
<li>Familiarity with data lakes and warehouses (Snowflake, BigQuery, Redshift).</li>
</ul>
 
Benefits
<ul>
<li>100% employer-covered health, dental, and vision insurance.</li>
<li>401(k) with company match.</li>
<li>Access to Bay Club or Equinox in San Francisco.</li>
</ul>

Research Engineer, Post Training RL

<h3>Job Description</h3>
⚡ Job Title: Lead Composite Design Engineer
&amp;#x1F4BC; Industry: eVTOL
&amp;#x1F30E; Location: San Francisco Bay Area (Onsite, 5 days)
&amp;#x1F4B0; Salary: $180,000+
 
⚡ Company Overview:
Our client is a trailblazing eVTOL aircraft company, pioneering electric vertical flight for consumer, public service, and defense markets. With over a decade of development and the announcement of their next-generation aircraft, they are positioned to lead scalable production in 2025 and beyond.
 
⚡ Position Summary:
An exceptional opportunity for an experienced and driven Lead Composite Design Engineer to play a vital role in the development of advanced composite structures for eVTOL aircraft. In this role, you’ll lead the design and innovation of lightweight, high-integrity composite components to ensure optimal performance, manufacturability, and compliance with aerospace standards. You will work cross-functionally with top-tier teams and contribute directly to the success of revolutionary aircraft systems.
 
⚡ Key Responsibilities:
<ul>
<li>Lead the design and development of composite structures and components with a focus on weight, strength, and operator experience</li>
<li>Create accurate CAD models and engineering drawings for composite, plastic, and metal parts</li>
<li>Collaborate with stress, manufacturing, and aerodynamic teams to optimize performance and manufacturability</li>
<li>Conduct feasibility studies, material trade-offs, and process evaluations for advanced composite technologies</li>
<li>Innovate with emerging materials, design tools, and advanced manufacturing processes</li>
<li>Perform structural validation and work with stress engineers to meet safety and certification requirements</li>
<li>Mentor junior engineers and promote a culture of technical excellence and continuous improvement</li>
</ul>
 
⚡ Experience/Qualifications:
<ul>
<li>Bachelor’s or Master’s degree in Mechanical, Aerospace, or a related Engineering discipline</li>
<li>8+ years of experience in composite design within aerospace, aviation, or automotive industries</li>
<li>Proficient in CATIA 3DEX and composite modeling tools</li>
<li>In-depth understanding of composite materials, laminate theory, and structural analysis</li>
<li>Strong knowledge of manufacturing methods and aerospace design best practices</li>
<li>Demonstrated ability to collaborate across engineering functions and clearly communicate complex ideas</li>
</ul>
 
&amp;#x1F4E7; Does this sound like you? If so then click on the ‘Easy Apply’ button.
 
⚡ Storm4 is a specialist GreenTech recruitment firm with clients across Europe, APAC and North America. To discuss open opportunities or career options, please visit our website at <a href="http://www.storm4.com" target="_blank">www.storm4.com</a> and follow the Storm4 LinkedIn page for the latest jobs and intel.

Lead Composite Design Engineer

<h3>Job Description</h3>
This is an opportunity to join a high-growth start-up that is revolutionising automotive perception technology. With next-generation sensing technology, they are redefining the capabilities of imaging radar, delivering unprecedented resolution and performance. 
 
 
Role &amp; Responsibilities
 
In this role, you will lead the validation and characterization of RFICs and packages across the product lifecycle, from prototype through high-volume production at the wafer level and packaged die. You will have strong knowledge and experience in wafer-level probe tests, RF measurements, automated test development and a deep understanding of silicon validation, test hardware design, and manufacturing yield optimization. 
 
ATE Development &amp; Production Ramp
<ul>
<li>Translate bench tests to automated test equipment (ATE) platforms (i.e., Advantest, Teradyne, NI).</li>
<li>Develop test hardware (load boards, sockets, fixtures) and software for high-volume production.</li>
<li>Reduce test time, improve yield, and ensure test coverage</li>
</ul>
 
Prototype Evaluation &amp; Characterization
<ul>
<li>Elicit test requirements from designers</li>
<li>Collaborate with design and systems teams to define detailed test plans (test list, test equipment and measurement algorithms, etc.)</li>
<li>Develop and execute RFIC validation tests for key performance parameters (i.e., gain, noise figure, linearity, phase noise, S-parameters).</li>
<li>Use lab equipment (VNAs, spectrum analyzers, signal generators, etc.) to verify and debug new designs.</li>
</ul>
 
 
Skills &amp; Experience
 
<ul>
<li>Bachelor’s degree in Electrical Engineering or an equivalent </li>
<li>10+ years of relevant experience in semiconductor ATE for RF, Analog, and Mixed Signal circuits</li>
<li>Experience using electrical test instrumentation</li>
<li>Experience developing high-volume automated testing for silicon wafers</li>
<li>Experience in developing high-volume socket testing of silicon packages</li>
<li>Ability and desire to work on rapidly paced projects with several design tasks</li>
<li>Excellent interpersonal, problem-solving, and communication skills</li>
</ul>
 
 
Locations
 
Bay Area CA or Boston MA

686 Engineering Jobs in San Lorenzo, CA, USA