Senior Technician, Mechanical

Cincinnati, Ohio


About Hyliion 

Are you ready to “Change the World?” Does “Succeed as One Team” meet your definition of a key component to an amazing company culture? If “Acting with Integrity” and pursuing “Excellence in All We Do” motivate you to do your best work, then Hyliion may be the right fit for you.

Job Purpose:

The Senior Technician, Mechanical is responsible for engine prototype and early engine production building including assembling, fabricating, and tuning our new KARNO generator to precise specifications. This role requires the ability to work both with and without schematics/drawings. The Senior Technician will work closely with the engineering team, operations, and other functions to collaborate and develop solutions together. This role may also train and develop others in their area of expertise.


Duties and Responsibilities:


  • Assemble engines according to specifications, including precision installation and alignment of pistons, bearings, and fluids management components.
  • Work without schematics/drawings and instructions as needed in early development programs.
  • Perform precision measurements and adjustments to ensure proper engine test and performance.
  • Diagnose and troubleshoot engine issues and implement corrective actions as necessary.
  • Train and coach peer technicians in best practice engine assembly techniques.



  • Fabricate custom engine and assembly parts using various machine shop tools and equipment, including welding, machining, and cutting.
  • Interpret technical drawings, blueprints, and specifications as needed, and/or create designs based on previous experience and perspective to produce precise, high quality fabricated products.
  • Collaborate with design and engineering teams to develop innovative solutions and prototypes.



  • Perform general assembly tasks, including installing, fitting, and adjusting components and systems.
  • Follow assembly procedures and quality standards to ensure product integrity and reliability.
  • Conduct final inspections and quality checks to verify compliance.
  • Additional job responsibilities as needed or required by the business.


Skills and Abilities:

  • Knowledge of additive manufacturing preferred.
  • Strong mechanical aptitude and understanding of engine systems and components.
  • Proficient in welding, machining, and other fabrication techniques.
  • Experience in aerospace or other high precision manufacturing environment.
  • Proficiency in interpreting technical drawings, blueprints, and specifications.
  • Excellent problem-solving skills and attention to detail.
  • Ability to work independently and collaboratively in a fast-paced environment.
  • Effective communication skills, both verbal and written.
  • Knowledge of safety protocols and procedures in a workshop environment.
  • Able to maintain records of assembly processes, modifications, and test results.
  • Collaborative player across a broad cross-functional team
  • Ability to lift and/or move up to 50 pounds.
  • Ability to travel, as needed.


Education, Experience and Certifications:

  • High School Diploma / GED
  • Associates or Technical degree and certifications in a related trade beneficial
  • 5+ years of hands-on experience in engine building, fabrication, and general assembly




  • 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 committed to diversity, equity, inclusion, and is proud to be an equal opportunity 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, disability, age, or veteran status.