Senior Mechanical Engineer, Hvac & Piping

About UsAll across the world, from the azure pools of Turkey and Oman to the travertine terraces of Yellowstone, our planet quietly pulls carbon dioxide from the air and turns it to stone. For eons, Earth has relied on this process to balance its carbon cycle. What if it could be harnessed? What if we could do it faster, in larger quantities, and at a low enough cost to make it an effective tool in the fight against climate change?

At Heirloom, we are turning that into reality. We use the natural carbon capture properties of abundant minerals to pull CO2 from the air, and store it permanently underground. We come to work every day to slow climate change, and are united behind a single, common goal - to remove 1 billion tons of CO2 from the sky by 2035, and to not stop before we get there.

We bring together the precise recipe of science, technology, know-how, and strategy necessary to make low cost, high quality carbon removal a reality. If we're successful, we will directly mitigate climate change, build a world we can proudly hand over to our children and grandchildren, and catalyze an industry that will rival the largest the world has ever seen. If you want to change the planet, come join us.

Our Commitment to Diversity, Equity, and InclusionAs temperatures continue to rise, individuals from marginalized communities will face the harshest impacts of climate change. We believe wholeheartedly that building a diverse company is critical to Heirloom's success. To accomplish this, we've put recruiting, hiring and retaining individuals from underrepresented groups at the top of our priority list.

We encourage you to apply if you identify as Black, Native Hawaiian or Pacific Islander, American Indian or Alaskan Native, Hispanic or Latino, LGBTQ+ – or with any other underrepresented group – even if you don't tick all the boxes in the description below.
About the RoleAs a Senior Mechanical Engineer on our Building Infrastructure team, you will be responsible for creating innovative and efficient building and industrial infrastructure mechanical systems tailored to diverse needs. Collaborating closely with the team, you will integrate your mechanical concepts seamlessly into holistic infrastructure design solutions. You will bring experience managing multi-disciplinary projects within A/E firms, and a proven record in delivery of IFB, IFP and IFC packages. You rely on first principle thinking to develop design concepts on the building infrastructure team, which is the integration point between technology and project deployment teams. You will bring experience managing multi-disciplinary projects within A/E firms, and a proven record in delivery of IFB, IFP and IFC packages. Additionally, you have experience in managing external stakeholders, vendors, and consultants, particularly in the context of manufacturing, factory, and process/industrial projects. PE license preferred.You will be joining a team working on cutting-edge infrastructure design for our never been done before direct air capture technology!
Design HVAC and mechanical piping that are code complaint, cost-effective, and meet quality and schedule requirements
Manage the development of mechanical design packages for permitting and construction
Manage high quality BIM (Revit) models, engineering drawings, and PIDs for all mechanical systems
Supervise engineers/designers to develop equipment datasheets, construction documents and specifications
Produce high level cost estimates and decision matrices for concept decision making
Maintain, lead, and develop/write design standards, mechanical details, specifications, and sequences of operations
Communicate effectively and collaboratively to stakeholders
Mentor and be a technical resource for engineers/designers, may require managing outside consultants to meet project design schedules
What you will bringYou are a highly motivated senior mechanical design engineer with a Bachelors and 5+ years of professional experience managing complex MEP projects, process piping and strong mechanical HVAC background. In addition to your experience managing multi-disciplinary projects within A/E firms, and proven record in delivery of IFB, IFP and IFC packages, you will use your industry experience to design bespoke and efficient mechanical systems that can be scalably integrated within our structures. You rely on first principle thinking to develop design concepts on the building infrastructure team, which is the integration point between technology and project deployment teams. Your expertise encompasses HVAC building design, the selection of airflow systems, and proficiency in humidification/dehumidification. Additionally, you have experience in managing external stakeholders, vendors, and consultants, particularly in the context of manufacturing, factory, and process/industrial projects. PE license preferred.
Bachelor's Degree in Mechanical Engineering, or closely related discipline
5+ years experience on large-scale projects; PE preferred
Extensive knowledge of building and infrastructure design
Proficient in the use of: Revit, Navisworks, AutoCAD
Familiar with the following design and calculations: duct sizing & static pressure, axial fan sizing, piping and duct pressure drop, pump selection, and pipe sizing. Process piping experience a plus
Design experience with equipment including: cooling towers, packaged and custom HVAC units, air-source & water-source heat pumps, dust collectors, dehumidifiers, humidification systems, axial fans, pumps, control valves and associated instrumentation
Experience in designing HVAC systems for: industrial, warehouse, manufacturing or data center type facilities
Direct knowledge and experience in writing engineering specifications, developing mechanical details, and writing sequences of operation for HVAC systems
Expert in: IECC, IMC, IPC/UPC, IFC, NFPA, SMACNA, ACGIH, and ASHRAE 62 and 90.1
You don't have to have every listed requirement and skill to be a great fit - you may even teach us something about what we should be looking for! If you are passionate about this opportunity and think you have the skills to succeed, please apply!
Our PrinciplesRadical Honesty means we are open, transparent, and inclusive in everything we do. We aren't scared to challenge each other, but bring clear motives and our best intentions when we do.
Persistent Optimism means we carry an infinite amount of optimistic energy with us on our journey, constantly chipping away at what may seem insurmountable.
Maximize our learning ratemeans we're always in discovery mode. Compounding knowledge is our key to victory - we continuously hone our crafts, seek the fastest paths to new learning, and are quick to absorb new knowledge.
Why you should join HeirloomWe are solving the engineering problem of our generation. Climate change is an existential threat, and we need as many of the world's motivated minds as possible to help. There is no greater challenge or opportunity than fighting climate change.
We have done this before. We're engineers, scientists, and concerned humans from a variety of backgrounds and experiences who are pooling our knowledge and skills to collectively build a more equitable, prosperous future for all.
We are a united, resilient, and optimistic bunch. We are all here for the same reason - to slow climate change. We recognize the magnitude of the challenge ahead of us, and believe we can solve it. We can see a hopeful future where we eventually reverse climate change. It won't be easy, but we won't quit.
We are backed by the best climate partners in the world. We're well funded by investors from Breakthrough Energy Ventures, Ahren Innovation Capital, Carbon Direct, Microsoft, Lowercarbon Capital, ARPA-e and the National Science Foundation. Our early customers include Stripe, Shopify, and Klarna, and we're building durable partnerships that enable us to tackle this decades-long problem.
Perks and BenefitsRobust health coverage. Excellenthealth, dental and vision insurance covered up to 100% by Heirloom. FSA option.
Generous parental leave. 16 weeks paid leave for all Heirloom employees, regardless of primary/secondary caregiver status.
Generous stock options. Flexible time off. Unlimited PTO for exempt (salaried) employees & 80 hours for full time non-exempt (hourly) employees.
401(k). Stay healthy. Monthly health and wellness reimbursement.
Learn on the job. Robust annual education and conference budget, including airfare and hotel costs.


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