Sr. Heat Exchanger Engineer
Arbor Energy · El Segundo, CA
Posted about 3 months ago · $165,000 - $180,000
or apply directly on Arbor Energy's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 82 days Arbor Energy's roles stay open a median of 83 days
- Reposted
- No
- Salary listed
- Yes 95% of Arbor Energy's roles list one
- Ghost-job risk at Arbor Energy
- high 15 stale, 0 reposted of 19 open
- Hiring momentum
- 24 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-25
Measured from postings appearing on and disappearing from Arbor Energy's own greenhouse board since 2026-08-03. Full hiring picture for Arbor Energy.
About this role
The Sr. Heat Exchanger Engineer at Arbor Energy will be responsible for the design, specification, and development of compact heat exchangers integral to the company's supercritical CO₂ power system. This role involves leading technical engagements with suppliers, developing additively manufactured designs, and conducting performance testing, all within a collaborative R&D environment focused on clean energy technology.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Arbor Energy as an employer.
What you need
- Bachelor's degree in Mechanical, Chemical, Aerospace, or related Engineering field
- 6+ years of experience designing, building, and testing high-performance thermal-fluid hardware
- Demonstrated thermal-hydraulic design of compact heat transfer hardware
- Hands-on manufacturing experience with processes that form internal flow passages
- Track record of taking full-scale hardware from design through fabrication and test
- Ability to build first-principles thermal-hydraulic models in Python, MATLAB, or similar
Nice to have
- Experience with supercritical CO₂ or other supercritical or dense-phase fluids
- Experience designing or qualifying printed circuit or other diffusion-bonded heat exchangers
- Experience qualifying AM parameter sets, HIP and heat treatment
- Experience specifying conventional heat exchangers per TEMA and API 661
- Familiarity with ASME Boiler and Pressure Vessel Code Section VIII
What you get
- Pre-IPO stock options
- Medical, dental, and vision insurance (Arbor covers 90% for employees)
- Basic life insurance fully covered
- Health savings account (HSA) with matching
- Flexible savings account (FSA)
- Unlimited PTO
Worth weighing
- Onsite opportunity in El Segundo, CA
- Power-industry background not required; experience in aerospace or advanced manufacturing preferred
- Salary range provided, but dependent on applicant's skills and experience
Summarised from Arbor Energy's posting. Read the full original.
Listed by Arbor Energy on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.
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