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Advanced Engineer, Combustion

Cincinnati, OHOnsiteFull TimePosted 1 month agoVisa sponsorship available

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Required skills

  • combustion aerodynamics
  • reactor
  • oxidation system
  • test campaigns
  • instrumentation setup
  • experiment execution
  • data collection
  • fuel/air mixing
  • emissions measurement
  • heat release analysis

Nice to have

  • power generation
  • industrial combustion
  • test rigor
  • data quality
  • regulatory reporting standards
  • 3D CAD software

Role summary

Hyliion is seeking an Advanced Engineer, Combustion Aerodynamics to join their KARNO generator research, testing, and development program. This hands-on role involves executing combustion aerodynamics test campaigns, analyzing experimental and simulation data, and supporting the development and validation of combustion hardware. You will collaborate with cross-functional engineering teams, translate test data into design decisions, and support emissions testing for regulatory certification. The position requires a Bachelor's degree in Aerospace, Mechanical, or Chemical Engineering, 5-10 years of relevant experience, and proficiency in combustion fundamentals, laboratory instrumentation, 1D reactor modeling (CANTERA/CHEMKIN), and CFD tools (ANSYS Fluent/CFX). Experience with emissions testing and regulatory standards is preferred. This onsite role is based in Milford, OH.

Hyliion is committed to creating innovative solutions that enable clean, flexible and affordable electricity production. The Company’s primary focus is to develop distributed power generators that can operate on various fuel sources to future-proof against an ever-changing energy economy.

Job Purpose

The Advanced Engineer, Combustion Aerodynamics is a hands-on technical contributor to the research, testing, and development program for the KARNO generator's reactor and oxidation system. This position executes combustion aerodynamics test campaigns, analyzes experimental and simulation data, and supports development and validation of combustion hardware. The position works closely with mechanical, thermal, and performance engineering to translate combustion test data into system design decisions and supports emissions testing in connection with regulatory certification requirements.

AI at Hyliion

At Hyliion, AI is core to how we work. We equip every team member with leading AI tools and count on you to use them — to move faster, solve harder problems, and help us realize the full potential of KARNO technology for the world.

Duties and Responsibilities

  • Execute combustion aerodynamics test campaigns, including instrumentation setup, experiment execution, data collection, and documentation of results.
  • Support development and validation of the reactor and oxidation system, including fuel/air mixing characterization, emissions measurement, and heat release analysis.
  • Operate and maintain laboratory facilities used for combustion aerodynamics system development, and support expansion of lab capability as the program grows.
  • Apply 1D reactor network models (CANTERA or CHEMKIN) to finite-rate chemistry analysis and correlate simulation predictions with experimental results.
  • Use CFD tools (ANSYS Fluent or CFX) to support aerodynamic and thermal analysis of combustion and oxidizer geometry.
  • Support emissions testing and data reporting for regulatory certification efforts, including EPA, CARB, and SCAQMD requirements.
  • Collaborate with mechanical, thermal, and performance engineering teams, providing combustion data and analysis that informs broader system design decisions.
  • Participate in technical reviews, including preparation of data summaries, presentation of findings, and contribution to design trade-off discussions.
  • Support design review of combustion-relevant hardware, including print review for tolerance and material alignment.
  • Support supplier interactions and procurement of laboratory and prototype hardware as needed.
  • Additional duties and responsibilities as assigned, needed, or required for the business.

    • Qualifications

    Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

    Qualifications include:

  • Education, Experience and Certifications
  • Bachelor's degree in Aerospace, Mechanical, or Chemical Engineering required; Master's degree in a related engineering discipline preferred.
  • 5 to 10 years of engineering experience, including hands-on work in combustion testing, laboratory instrumentation, or combustion system development.
  • Experience in aerospace, power generation, industrial combustion, or a comparable technical environment where test rigor and data quality are critical.
  • Skills and Abilities
  • Working knowledge of combustion fundamentals, including flame chemistry, fuel/air mixing, emissions formation (NOx, CO, UHC), and heat release characteristics across multiple fuel types.
  • Hands-on laboratory experience with instrumentation setup, calibration, and operation for pressure, temperature, flow, and chemical species measurement, including gas analyzers for O2, CO, CO2, NOx, and UHC.
  • Ability to run, interrogate, and interpret 1D reactor network models using CANTERA or CHEMKIN.
  • Experience using CFD tools (ANSYS Fluent or CFX) for combustion or fluid aerodynamic applications.
  • Experience with fluid and thermal systems beyond the combustor, including how oxidizer system behavior interacts with the broader thermal architecture.
  • Proficiency with 3D CAD software, NX preferred, for reviewing combustion hardware and supporting design work.
  • Familiarity with emissions testing conventions and regulatory reporting standards preferred.
  • Strong attention to data quality, test repeatability, and interpretation of measurement results.
  • Effective written and verbal communication skills, including the ability to present technical results to engineers across disciplines.
  • Ability to own a test campaign from planning through reporting while working within a research program led by senior combustion engineers.

    • Role Classification and Working Conditions

    This is a salaried, exempt-level position based in Milford, OH. This position typically works in a production/assembly/engineering lab environment.

    Physical/Other Requirements

  • Ability to lift and/or move up to 50 pounds.
  • Ability to travel up to 10%, as needed, by plane, automobile, etc., including travel to engineering providers and hardware suppliers.

    • We are not accepting candidates who require sponsorship for this role at this time.

    Benefits:

  • Medical Plans, with PPO or HDHP options
  • Dental Plans, with buy-up option
  • Vision Plan
  • Life Insurance and Accidental Death & Dismemberment Plans, with buy-up options
  • Short Term Disability, paid for by the company
  • Long Term Disability, paid for by the company
  • Flexible Spending Accounts (FSA)
  • Health Savings Account (HSA)
  • 401k/Roth 401k
  • Voluntary Accident Plans
  • Voluntary Critical Illness Plans
  • Hospital Indemnity Plan

    • Hyliion is proud to be an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, age, disability, veteran status. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to otherwise participate in the employment selection process, please direct your inquires to Hyliion’s human resources department at HR@hyliion.com.

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