Design Engineer - Built

AI for the Built World:
Build has created the agentic AI stack for institutional real estate, automating complex development and acquisitions workflows 90% faster than humans to accelerate the world's most important built projects - digital infrastructure, energy, industrial - from concept to completion.

Our mission is to accelerate and amplify the world's most important built projects - inventing a better way to build through a collaboration between human experts and agentic AI. We envision a future where the world's buildings are driven from concept to completion, autonomously. Without delays, cost, and complexity. Enabling people to deliver a magnitude more deals. To make decisions, build relationships and create.

To start, we're partnering with the world's biggest built world institutions from $T alternative assets investors, prolific developers and even governments to push the frontier of what's possible. We're backed by c-suite from Blackstone and OpenAI alongside the world's best venture capital firms.

Join us in shaping the future of the Built World and exponentially accelerate your career in the process. We welcome you to do your life's work here.

This role exists to make sure Build designs the way the best engineers do. The Design Engineer brings an engineering lens to data centers, power and energy infrastructure, and the wider built environment, and takes projects through design: from concept and feasibility to a coordinated, buildable scheme.

You are the source of truth for how a project actually gets engineered when the loads are large, the timelines are tight and the stakes are high.

You can expect to:

• Take live projects through design: site and capacity studies, concept design, MEP, electrical and mechanical systems, and critical facilities design.

• Size and lay out power, cooling and resilience systems for data centers and energy infrastructure, and pressure-test them against cost, schedule and constructability.

• Work alongside Build's domain experts and engineers to turn design judgment into workflows, rules and checks that can be encoded into software.

• Run proofs-of-concept for new design workflows by doing the work yourself, with an engineer supporting you on Build's systems.

• Own design quality from an engineering perspective. If an output wouldn't survive review by a serious design firm, it's your job to surface and fix it.

• Act as a credible peer to developers, operators, utilities and design consultants, speaking their language.

• Feed what you learn on projects back into the core product.

• Hands-on design experience on data centers, mission-critical facilities, or power and energy infrastructure.

• Strong grounding in MEP: electrical distribution, mechanical and cooling systems, redundancy (N+1, 2N) and critical facilities design.

• Experience at a leading engineering or design firm (e.g. Arup, Jacobs, Burns & McDonnell, Corgan, HDR, Syska Hennessy), or on a hyperscaler or colocation design team.

• Taken projects from concept through detailed design, coordinating across disciplines and with contractors.

• Comfortable with numbers and tools: load calcs, single-line diagrams, BIM/Revit, and spreadsheets or scripts to move fast.

• Bias to ownership and speed. You'd rather ship a working answer today than a perfect one next month.

• PE licence (or on track), or chartered engineer status.

• Exposure to utility interconnection, on-site generation, BESS or grid-scale energy projects.

• Experience with design automation, generative design, or scripting (Python, Dynamo, Grasshopper).

• A degree in mechanical, electrical or civil engineering, or architectural engineering.

Growing Build requires a radically different approach to company building. As a company we're focused on one outcome: winning. That means we move fast, work with intensity, and demand excellence from ourselves. We operate with intensity but create an environment that allows for a lot of fun together. The result is that we're one of the fastest shipping teams in vertical AI, partnering with the best to automate the world around us.

Performance and teamwork are the core of Build's operation. We look for those who are able to do both, who often exhibit a particular ability for;

Velocity:
You are relentless in asking the right questions to set direction. Once you find the right direction you go all-in.

Excellence:
You obsess with being the best. For you, excellence is a non-negotiable standard rather than an…