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Day Combustion Jobs (NOW HIRING)

Vast

Combustion Devices Engineer II

Hawthorne, CA · On-site

$110K - $155K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Vast is looking for a Combustion Devices Engineer II , reporting to the Senior Manager of E-2 ... days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ...

Arbor Energy

Design Engineer (Combustion Devices)

El Segundo, CA

$130K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You'll collaborate closely with combustion engineers, analysts, and test engineers to develop ... Unlimited PTO * 12+ company holidays, including Earth Day! * 401(k) * Commuter benefits * Annual ...

Daikinapplied

Boiler Combustion Technician

Washington, DC

$37.90 - $68.39/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Daikin Applied is seeking a full-time Boiler Combustion Technician. In this role, you will be ... OSHA 10 within 90 days of hire (Daikin provides this training during onboarding process) * Current ...

Arbor Energy

Sr. Combustion Engineer (Syngas Oxyfuel)

El Segundo, CA · On-site

$150K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal ... Unlimited PTO * 12+ company holidays, including Earth Day! * 401(k) * Commuter benefits * Annual ...

Arbor Energy

Design Engineer (Combustion Devices)

El Segundo, CA · On-site

$130K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal ... Unlimited PTO * 12+ company holidays, including Earth Day! * 401(k) * Commuter benefits * Annual ...

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As of Aug 12, 2026, the average yearly pay for day combustion in the United States is $88,214.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,500.00 and $90,000.00 per year, depending on experience, location, and employer.
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Sr. Combustion Engineer (Syngas Oxyfuel)

Arbor Energy

El Segundo, CA

$150K - $175K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago

Job description

Role Overview

The Sr. Combustion Engineer (Syngas Oxyfuel) helps pioneer our rocket-derived, high-pressure combustion systems for carbon-negative power cycles, burning our biomass-produced syngas in a high efficiency combustor.  In this role, you'll take syngas oxy-combustion from lab-scale characterization to implementation running off of gasifier syngas within a year and carry what you learn into the development of fuel-flexible combustors at the heart of our commercial product. You will partner closely with test engineers, analysts, and designers to push boundaries-delivering breakthrough performance that powers a sustainable future. 

From conceptual design and modeling to hands-on testing and rapid iteration, you'll own the full hardware lifecycle.

This is an onsite opportunity in our El Segundo, CA office. 
Responsibilities
  • Develop the kinetics that the envelope demands: reduced H/CO/CO mechanisms, flame-speed, autoignition and blowout limits across composition; anchor models to hot-fire data
  • Plan, execute, and analyze high-pressure and temperature test campaigns, delivering actionable insights to accelerate progress
  • Own rapid hardware development cycles-from manufacturing and assembly through testing and iterative improvements
  • Leverage additive manufacturing and state-of-the-art simulation tools to accelerate innovation and reduce development timelines
Requirements
  • Bachelor's degree in Mechanical, Aerospace, Chemical engineering, or related field
  • 5+ years of experience in combustion system design, analysis, and testing
  • Strong understanding of thermodynamics, fluid mechanics, and heat transfer
  • Comfort in high-pressure / real-fluid combustion (supercritical reactants, CO dilution) and/or a demonstrated track record of ramping into an unfamiliar regime fast
  • Curious, inventive, and entrepreneurial mindset comfortable driving progress
Preferred Qualifications
  • Advanced degree (M.S. or Ph.D.) in Mechanical, Aerospace or Chemical engineering
  • Hands-on experience with hot-fire testing and high-pressure systems in rocket or gas turbine environments
  • Programming or scripting skills for data reduction and automation (Python, MATLAB, etc.)
  • Background in startup environments or agile hardware development cycles
Benefits & Compensation
  • 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 
  • 12+ company holidays, including Earth Day! 
  • 401(k)
  • Commuter benefits
  • Annual learning and development stipend
  • And more!
Base Pay: $150,000 - $175,000 USD/year. The salary is subject to the applicant's skills, qualifications, experience, and geographic location.

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