Sr. Product Design Engineer

Ironsite is building the intelligence layer for the physical world. We design our own wearable hardware, deploy it alongside craft workers, and transform a shift's footage into a next-morning report. Our internal team and purpose-built models label the data overnight and deliver actionable insights to superintendents by 5 AM.

We are accelerating the speed, efficiency, and predictability of construction, especially for complex, mission-critical infrastructure projects, including data centers, LNG facilities, sports stadiums, hospitals, and other large-scale developments, by training AI models on egocentric construction footage and labor productivity data. We are built with a pro-worker philosophy at our core: we believe technology should empower the workforce, not replace it. We're working to give craft workers and project leaders better visibility into what's happening on-site, while creating a system where the reality of construction and the chaos of each day are finally available to the people running the project.

Ironsite is deployed across several of the largest active construction projects in the country. To date, we've captured more than 100,000 hours of construction footage across seven states, now process thousands of hours of site activity every day, and maintain a worker opt-out rate below two percent. This is enabled by a workforce-first architecture that anonymizes devices, captures no audio, and never releases raw video.

Ironsite is backed by leading investors (8VC, South Park Commons, Saga Ventures) and prominent operators across technology and construction, including Eric Schmidt, Jeff Dean, Jeff Rothschild, Mark Leslie, Scott Wu, Eric Glyman, Karim Atiyeh, Russell Kaplan, and others, alongside over a dozen construction industry operators who have joined us as partners in building this.

Longer term, we believe Ironsite is the foundation for what construction becomes in the next decade. The systems we're building will be the operating system for how the physical world gets built. We see a future where craft workers are more valued, more visible, and better paid for the skill they bring, and where the industry finally has the intelligence layer that makes autonomous construction possible. Both start with the same foundation.

We're hiring a Senior Product Design Engineer to own the mechanical design and product architecture of Ironsite's wearable hardware.

This is a foundational role on the hardware team. You'll design the enclosures, mechanisms, mounts, and thermal systems that let Ironsite's cameras and electronics survive on active jobsites, on ruggedized wearables that spend all day exposed to dust, moisture, impact, temperature extremes, and the kind of abuse most consumer wearables never see. Fit, ergonomics, sealing, thermal performance, drop and vibration resilience, and manufacturability are all important for this role. If the mechanical design doesn't hold up, nothing else does.

You'll work directly with electrical, firmware, and manufacturing engineering across the full product lifecycle, from initial concept through volume production. You'll own enclosure design, camera mounting and alignment, mechanism design, sealing and gasketing, thermal management, and DFM partnership with our contract manufacturer. This is one of the most technically demanding roles in the company, and one of the highest-leverage.

Final compensation is determined by experience, location, and level.

Every category-defining wearable company has a product design engineer who was the reason the device actually worked in the real world. Not because they had the fanciest CAD model, but because they cared obsessively about the last 5% of fit, the sealing edge case that would have caused fleet failures, and the manufacturing detail that separates a product that ships from a product that gets recalled.

Ironsite is at that moment. We have the product, the customers, the funding, the manufacturing partnerships, and a hardware roadmap that scales into hundreds of thousands of units. What we need is the product design engineer who is going to make sure the devices actually deliver on what our workforce and our AI depend on.

If you've spent your career designing wearables and camera hardware at scale, and you're ready to do it again on a product that matters more than most, we want to talk.

The base pay range for this role is $180,000 – $260,000 per year.