Senior Product Manager

The posting, as SirenOpt wrote it

About SirenOpt

At SirenOpt®, we are building the manufacturing intelligence layer for advanced materials. We help manufacturers visualize, understand, and control the material behavior that determines yield, performance, and safety across energy, aerospace, automotive, electronics, and semiconductor applications.

We are working on this problem because advanced materials are becoming more critical and more complex, but the tools used to manufacture them have not kept pace. Manufacturers still lack real-time visibility into the small variations that shape quality on the line. We care because those invisible variations cause scrap, waste energy and materials, create higher costs, inconsistent product performance, and introduce avoidable safety risks.

We developed PlasmaSens™, our manufacturing intelligence platform, to close that visibility gap and to lay the foundation for truly autonomous manufacturing.

We are uniquely suited to solve this problem because our expertise and our platform connect material science, plasma physics, machine learning, and manufacturing in one system. The same core technology works in-line, at-line, and off-line, and across form factors ranging from electrodes and wafers to 3D components. That flexibility lets us meet manufacturers where they are and carry insight from the lab into mass production.

We have deployed multiple PlasmaSens products with customers and collaborators across the United States, Japan, Germany, and Taiwan. We pair that real-world experience with support from leading US, European, and Japanese venture investors, the National Science Foundation, the California Energy Commission, and the Department of Energy. Our combination of differentiated technology, manufacturing experience, and global scientific and industry partnerships gives us the foundation to solve material variability at scale.

About the job

Job Title: Senior Product Manager

Location: On-Site (San Leandro, CA)

Job Type: Full-Time

Role Overview

SirenOpt is looking for a Senior Product Manager to own the product experience through which our customers understand their materials. This is a customer-obsessed, hands-on product role. You will spend significant time in the field with process engineers, technicians, and quality managers, mapping their workflows in detail, understanding where our product creates value, and translating that understanding into a complete hardware and software experience that is intuitive, reliable, and genuinely delightful to use.

Our software is how customers get their answers. Making it simple, clear, and sticky is the core of this role. You will lead the design of user workflows and interfaces, prototype and test them directly with users, and define the product experience across our standalone and inline offerings. You will work closely with engineering, data science, and commercial teams, and partner directly with the Head of Product on roadmap and product direction.

What You'll Do

Customer & Use
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Partner with data science and machine learning teams to shape how the analytics layer serves non-expert users, including reducing manual model training as a user-facing step.

Contribute customer and product insight to the roadmap and product direction led by the Head of Product.

Prioritize Jira tickets for product workstreams and facilitate planning with engineering, and commercial teams.

What We're Looking For

BS or MS in Human-Computer Interaction, Interaction Design, physical sciences or engineering

5 to 10 years in software product management or UX/product design, with at least 3 years owning a software product experience end to end

Hands-on UX and UI design ability: a portfolio of interface work you personally produced and tested in Figma or equivalent tools

A track record of deep customer and user research - spending time in the field, mapping workflows, and translating observation into shipped product decisions

Demonstrated ability to take complex or technical products and make them simple and intuitive for non-expert users

Experience with ML or analytics platform products: presenting model outputs to non-expert users and managing features with non-deterministic behavior

Proficiency with Jira and Agile practices

Nice to have

Experience designing software for industrial, scientific instrumentation, or non-destructive testing applications

Background in or exposure to battery manufacturing, aerospace coatings, or semiconductor materials

Experience with software deployed in industrial or manufacturing environments

Willingness to travel to customer sites in North America, the United Kingdom, Europe, and Asia

Prior experience at an early-stage deep-tech startup

Base Pay Range
$155,000 — $190,000 USD

Benefits

• Equity and Salary compensation depends on experience
• Health, Dental, Vision plans provided
• 401k matching provided
• Time off: 20 days of PTO per year, plus approximately 15 paid US holidays per year