About Assembly OSM

Assembly is on a mission to make urban growth scalable, sustainable, and inclusive. Novel technology, enabling aerospace levels of precision, allows us to design and deliver high-rise buildings quickly, at less cost, and more efficiently than ever before. Assembly buildings are custom, imaginative, green, and peerless in quality—all while creating market-driven affordability, enabling diverse participation in building delivery, and bringing design excellence to more and more communities.  We’re currently a tight-knit group of 30 with plans to scale both our team and impact substantially this year. If our mission speaks to you, we encourage you to read more from our leadership team and to apply to join us.

About the Role

As Assembly’s Director of Sustainability, you will develop the culture, strategies and structures to guide our organization toward a more sustainable future. You’ll roll up your sleeves and collaborate with architects, manufacturing engineers, software engineers, and suppliers to develop sustainability-driven innovations for the systems, solutions, tech, and processes that generate our prefabricated high-rise buildings. You’ll also serve as a strategic partner to leadership, forging solutions that lead to greener decision-making and design in every aspect of our work. This is an unique opportunity to shape the growth and direction of an industry-disrupting company.

You Will:

  • Set company-wide sustainability goals through collaboration with leadership, with feedback and support from external consultants
  • Act as project manager and primary expert for sustainability-related scopes of work
  • Develop strategies to mitigate the “green premium” for sustainability recommendations with respect to:
    • environmental design
    • sustainable strategies
    • healthy buildings
    • passive building design including energy, water, and daylight design
    • Performance modeling and optimization
    • Circular economy, including carbon, energy, water, waste and other resource flows
    • Sustainability and wellness benchmarking and implementation
  • Underpin recommendations with sound research, data analysis and monitoring of measurable targets
  • Enhance the flexibility of our building systems through studying, testing and improving how different assemblies work together in various climates
  • Facilitate knowledge sharing across the company so that sustainability goals are clear, actionable and directly engage every team member
  • Propose innovative technology- based design solutions, working with R&D team to strategize, study, and devise paths toward implementation
  • Present sustainability reports, ideas, and plans in a way that can be understood by both technical and non-technical audiences.
  • Manage company-wide and project based benchmarking and auditing efforts with a focus on driving year-over-year improvements

You Are:

  •  A leader in environmental design and engineering with a track record of consistently delivering environmental design at the forefront of sustainability ambitions.
  • A proven strategic innovator who is  ready to build towards a more efficient, exciting, and inclusive future.
  • An expert communicator whose first instinct is to jump in and build clarity for yourself and others.
  • Ready to revolutionize our industry with novel technology in a mission-centric way.
  • A passionate advocate for the environment who can engage with and influence peers outside of formal management relationships
  • Committed to staying at the leading edge of sustainability discourse
  • Excited to work in a high-growth startup where everyone wears many hats

You Have:

  • Experience in the design and engineering of building systems with sustainability priorities
  • Specialist knowledge in a discipline of engineering relevant to sustainability and climate positive solutions
  • Ability to perform or coordinate technical analyses addressing various aspects of sustainability, such as thermal and building systems modeling; daylight, energy, water and waste modeling; climate resilience; life cycle analysis; and greenhouse gas accounting
  • Knowledge of climate change policies, code standards and strategies for compliance
  • Ability to use basic theoretical knowledge of engineering principles to analyze, interpret, and provide guidance for decision making in response to design and operational challenges
  • Effective project management skills, ability to forecast task complexities and resources while proactively guiding multi-disciplinary teams toward viable solutions
  • Experience managing diverse stakeholders and guiding teams from strategy to implementation
  • Fluency in digital modeling for simulations and performance optimization
  • Working knowledge of local and national building codes and industry standards
  • Experience with modular construction and prefabricated systems a plus
  • Experience with certifications such as LEED, Well Building Standard, Green Star, BREEAM, Passive House, etc. Certifications such as LEED, CPHD/C a plus 


At Assembly, we aim for genuine inclusion and belonging, not just the absence of toxicity. We are proud to be an equal opportunity employer and have zero tolerance for harassment or discrimination. We seek out employees of all races, colors, religions, ages, gender identities and presentations, LGBTQ+ identities and orientations, family and parental statuses, veteran and disability statuses, and ancestries and national origins. 


  • Medical, Dental, and Vision Benefits
  • 20 PTO days per year, plus holidays
  • Free One Medical and virtual healthcare services, including Health Advocate and Teladoc 
  • Commuter Benefits
  • FSA and HSA
  • 401k
  • Summer Fridays

* Please note that being authorized to work in the United States is a precondition of employment for this role. We are not sponsoring work visas, such as H-1B visas, at this point in time.*

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