Building Modeling Engineer

Do you want to apply your building simulation skills in a fast-paced environment with global impact? Are you excited to see your models come to life in real buildings around the world? PassiveLogic is looking for a Building Modeling Engineer who is ready to jumpstart their career by deploying cutting-edge technology into real-world applications.

About PassiveLogic®

PassiveLogic is the first fully autonomous platform for buildings. We’ve reinvented the fundamental principles of automation to democratize technology, optimize buildings, and reduce the world’s carbon footprint. We are a team of technologists, engineers, and creatives dedicated to making a sustainable impact through real-world solutions.

We are looking for team members who have a passion for technology and who want to work on cutting-edge problems with real-world solutions. Our culture is built on bringing together the most talented engineers, thinkers, and creatives—backed by the world’s leading investors—working together to make the future a reality.

About the Role

This is a career-defining opportunity to play a crucial role in a hyper-scale AI company that is transforming the future of autonomous systems, energy, and the built environment.

As a Building Modeling Engineer, you’ll work alongside a multidisciplinary team to build, validate, and optimize digital building models and system simulations, contributing to real project implementations and helping transform buildings into smart, responsive systems.

What you’ll do

Building and systems modeling: Generate and validate building site and HVAC system digital twins under the PassiveLogic Quantum standard for all customer facing deployments.

Test and validation of the PassiveLogic technology ecosystem: Identify and log bugs throughout PassiveLogic’s technology ecosystem while synchronously working around those bugs to deliver the site model digital twin.

Project deployment: Support our fast-paced rollout of customer-facing implementations and on-site deployments.

Cross-collaboration: Collaborate with multidisciplinary teams on a daily basis, including Customer Success, User Software, Quantum & Digital Twins, AI/Controls, Formal Methods, and more.

Energy optimization and accurate forecasting: Audit client buildings by ensuring the physics-based digital twin models are accurate and adaptable for real-time energy optimization and consumption forecasting.

Contribute to innovation: Participate in refining modeling methodologies and deploying digital twins that drive predictive control and optimization.

What you’ll bring

If your experience does not meet all our posted requirements below, we’d still love to hear from you. We are looking for practitioners who are passionate about understanding people, committed to lifelong learning, and driven by the love of what they do. If that’s you, please apply!

Specific to this role, we want to hear from driven individuals ready to turn modeling expertise into meaningful global change. Whether you’re coming from academia or have been in industry for a few years, we’re interested in your passion and skills.

You must have

• Proven experience:
• Building energy modeling tools experience, including EnergyPlus, DOE-2, eQuest, etc.
• System-level modeling expertise using tools like EnergyPlus, TRNSYS, Modelica, etc.
• Either a master’s degree in engineering, physics, or related field, or, 3-5 years of relevant industry experience
• Exceptional communication skills: Extraordinary teammate skills with a collaborative, interpersonal communication style. Strong customer-facing skills with an ability to clearly communicate complex technical concepts to both technical and non-technical audiences.
• Organized and strategic: Creative thinker and strong problem solver with meticulous attention to detail.
• Collaborative mindset: Experience working across teams to drive customer success. Strong self-motivation towards PassiveLogic’s mission to “empower people through generative autonomy to solve the world’s largest climate challenges.”
• Adaptability: Comfortable in a fast-paced startup environment, eager to learn, iterate, and innovate.
• Problem solving: You own this role. When issues arise, be the empowered force that solves them, rolling-up.

You should have

• An understanding of HVAC sequences of operation
• Practical experience with HVAC controls
• Familiarity with GIT or version control systems
• A strong understanding of energy-efficient building systems and sustainability initiatives.

It’s helpful to have

• Familiarity with AI-driven control platforms, smart building technology, or automation industry standards.

This role moves beyond theoretical modeling. With PassiveLogic, you’ll see your work brought to life in real buildings across the globe. Here, we’re conducting live deployments of advanced automation systems. Your models will directly contribute to energy optimization and sustainable infrastructure, enabling smart cities everywhere we work.

Compensation, Benefits & Perks:

• Competitive compensation
• Generous equity share package
• Medical, dental and vision coverage
• Disability and life insurance options
• Flex PTO
• Team-building events
• Free catered lunch in the office Monday-Friday
• Free ski pass (We are at the base of Big Cottonwood Canyon)
• Free National Parks pass

When applying, include:

• A cover letter telling us why you're the perfect candidate for PassiveLogic
• A resume
• Extra mile — include a description of a project (of any type) you personally created, devised, built, managed, organized, or designed that was of your own self-initiative

Diversity and inclusion

Diversity, inclusion, and belonging is woven into our values and everything we do. We welcome all—come as you are and bring your whole self. We are proud to be an Equal Opportunity Employer. We celebrate diversity every day by maintaining a safe and inclusive environment for our employees at every stage of their careers.