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Engine Development Engineer Jobs (NOW HIRING)

LiquidPiston

Engine Performance Engineer

Suffield, CT · On-site

As Senior Engineer - Performance & Calibration you will be a key contributor to engine performance development activities aimed at bringing LiquidPiston's rotary engines to production. You will work ...

Weekday AI

Software Engineer - Open 3D Engine

Software Engineer - Open 3D Engine (O3DE) Job Type: Contractor Location: Remote Job Summary: In ... fully developed 3D scenes and dynamic simulations using O3DE. • Work closely with customer ...

Stellantis

Engine Test Methods Lead

Auburn Hills, MI · On-site

$45 - $61.25/hr

... engineering, validation, and test operations teams. This position serves as the central authority for engine test methods, supporting product development, validation, and warranty reduction ...

Vast

Electrical Engineer, E-2 Development

Hawthorne, CA · On-site

$86K - $120K/yr

Responsible Engineer for the flight engine controller and instrumentation. * Work with test team to integrate engine controller with test stand. * Design, build, and test circuit boards and write ...

LiquidPiston

Senior Engine Performance Engineer

Suffield, CT · On-site

$101K - $139K/yr

Senior Engine Performance Engineer This role is fully onsite in Bloomfield, CT, five days per week ... LiquidPiston is an advanced engine development company focused on revolutionizing internal ...

HKAA

Senior Repair Development Engineer

East Hartford, CT · On-site

$103K - $142K/yr

Support repair development projects for gas turbine engine components * Collaborate with engineering, program management, and validation teams to ensure successful project execution * Develop and ...

Pae

Engine Lab Test Engineer

Detroit, MI · On-site

Test categories include engine development and durability, powertrain calibration, heavy-duty gas ... The Engine Laboratory Department's Test Engineer interacts with requesting activities to ensure ...

Amentum

Engine Lab Test Engineer

Detroit, MI · On-site

Test categories include engine development and durability, powertrain calibration, heavy-duty gas ... The Engine Laboratory Department's Test Engineer interacts with requesting activities to ensure ...

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Engine Development Engineer information

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$49K

$96.2K

$153.5K

How much do engine development engineer jobs pay per year?

As of Jun 7, 2026, the average yearly pay for engine development engineer in the United States is $96,155.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,500.00 and $106,500.00 per year, depending on experience, location, and employer.

What is the difference between Engine Development Engineer vs Mechanical Design Engineer?

AspectEngine Development EngineerMechanical Design Engineer
Required CredentialsBachelor's or Master's in Mechanical, Automotive, or Aerospace Engineering; relevant certificationsBachelor's or Master's in Mechanical Engineering; relevant certifications
Work EnvironmentAutomotive or aerospace R&D labs, manufacturing plantsDesign studios, manufacturing facilities, R&D labs
Employer & Industry UsageAutomotive, aerospace, heavy machinery industriesManufacturing, product design, engineering firms
Common Search & Comparison IntentUnderstanding roles in engine development, career pathsDesign processes, engineering responsibilities

Engine Development Engineers focus on designing, testing, and refining engines, often working closely with automotive or aerospace companies. Mechanical Design Engineers have a broader scope, working on various mechanical components and systems. While both roles require mechanical engineering credentials and share work environments, their specific responsibilities differ, with Engine Development Engineers specializing in engine performance and development.

What are some common challenges faced by Engine Development Engineers during prototype testing?

Engine Development Engineers often encounter challenges such as unexpected performance deviations, thermal management issues, and meeting stringent emission regulations during prototype testing. These challenges require quick problem-solving, close collaboration with simulation experts, and iterative adjustments to engine design or calibration. Effective communication with cross-functional teams, such as controls engineers and test technicians, is crucial to rapidly diagnose issues and implement solutions. Being adaptable and detail-oriented helps ensure prototypes meet performance and reliability targets before moving to production stages.

What does an Engine Development Engineer do?

An Engine Development Engineer is responsible for designing, testing, and improving engines for vehicles or machinery. They work on optimizing engine performance, efficiency, and reliability, often using simulation tools and real-world testing. Their tasks can include developing prototype engines, analyzing data, diagnosing issues, and collaborating with other engineers to meet regulatory and performance standards. This role requires strong knowledge of thermodynamics, fluid mechanics, and materials science, as well as practical engineering skills.

What are the key skills and qualifications needed to thrive as an Engine Development Engineer, and why are they important?

To thrive as an Engine Development Engineer, you need a strong background in mechanical or automotive engineering, with expertise in thermodynamics, fluid dynamics, and combustion processes, usually supported by a relevant engineering degree. Familiarity with CAD software, engine simulation tools, and data acquisition systems, as well as knowledge of industry standards, is typically required. Strong problem-solving skills, attention to detail, and effective teamwork set top performers apart in this field. These skills ensure high-quality engine performance, compliance with regulations, and successful collaboration on complex engineering projects.
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What job categories do people searching Engine Development Engineer jobs look for? The top searched job categories for Engine Development Engineer jobs are:
Engine Development Engineer jobs near you
Infographic showing various Engine Development Engineer job openings in the United States as of May 2026, with employment types broken down into 3% As Needed, 45% Full Time, 51% Part Time, and 1% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $96,155 per year, or $46.2 per hour.
Engine Performance Engineer

Engine Performance Engineer

LiquidPiston, Inc.

Suffield, CT • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 18 days ago

Job description

Senior Engineer - Performance & Calibration
This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.
About LiquidPiston:
LiquidPiston is redefining the internal combustion engine through its innovative rotary X-engine architecture. Our mission is to deliver compact, fuel-efficient, high power-density engines for a wide range of applications. We are seeking a highly motivated Senior Engineer - Performance & Calibration to help bring our advanced rotary engines to production.
Position Summary:
As Senior Engineer - Performance & Calibration you will be a key contributor to engine performance development activities aimed at bringing LiquidPiston's rotary engines to production. You will work closely within a team of Test Engineers, Technicians, and Performance Engineers as you develop engine calibration strategies and methodologies to meet performance targets. In addition, you will collaborate with Chief Engineers, Design Engineers, and other cross-functional team members to help define critical data and insights needed to inform engine architecture and design decisions.
A broad range of experience and skills, along with the ability to adapt quickly from one task to another, will be essential for success. This role places strong emphasis on engine calibration supported by deep knowledge of engine performance, efficiency, testing, and data analysis. The position requires a solid foundation in thermal sciences and engineering principles, and the ability to work collaboratively with analysts using tools such as GT Power and combustion CFD platforms. You will also contribute to continuous improvement initiatives aimed at increasing the efficiency and effectiveness of simulation and development work.
Responsibilities:
  • Perform engine calibration to meet targets for power, efficiency, emissions, transient response, and off-nominal operating conditions.
  • Develop efficient processes and methods for engine calibration tailored to the rotary X-engine platform.
  • Document and communicate results of calibration efforts clearly and effectively.
  • Design and execute engine test plans for performance development, including analysis and reporting of results.
  • Collaborate with analysts running GT Power, combustion CFD, or other simulation tools to support holistic, model-based development approaches.
  • Work closely with cross-functional design and test teams to drive engine improvements and support design decisions.
  • Develop and follow standardized test and calibration procedures specific to LiquidPiston's engine architecture.
  • Contribute to continuous improvement efforts that enhance testing efficiency, simulation accuracy, and overall development effectiveness.
  • Stay current with emerging engine technologies, calibration strategies, and simulation tools through self-directed learning and formal training.
Requirements:
  • PhD or MS in Mechanical Engineering (BS with significant relevant experience will also be considered).
  • Strong grasp of thermodynamics, physics, combustion, and engine efficiency principles.
  • Demonstrated engine testing and calibration experience.
  • Proficiency with MATLAB, CAN communication tools, Python, or other scripting languages.
  • Strong problem-solving and analytical skills.
  • Strong team player with the ability to be self-directed in a fast-paced development environment.
Beneficial:
  • Experience with simulation tools including GT Power, CONVERGE, and ANSYS Fluent.
  • Familiarity with optimization methods, especially as applied to engine development and calibration.
Benefits & Perks:
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • Health & Wellness: Comprehensive medical, dental, and vision coverage. You choose what works best for you.
  • Equity Participation: Permanent employees receive RSUs to share in our success.
  • 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%
  • Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.
Our Culture:
At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk and we're not afraid to fail forward.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
All offers of employment at LiquidPiston are contingent upon the successful completion of a pre-employment background check and drug screening.

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