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Senior Engine Performance Engineer Jobs (NOW HIRING)

LiquidPiston

Senior Engine Performance Engineer

Suffield, CT · On-site

$101.50K - $139.40K/yr

Senior Engine Performance Engineer 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

Engine Performance Engineer

Suffield, CT · On-site

Senior Engineer - Performance & Calibration This role is fully onsite in Bloomfield, CT, five days ... About LiquidPiston: LiquidPiston is redefining the internal combustion engine through its ...

Kratos Defense

Performance Engineer

Auburn Hills, MI

... of the engine. This role supports propulsion system performance analysis and validation by ... Reporting to the Senior Performance Engineer, the role focuses on execution, analytical rigor, and ...

Generac

Senior Engine Code Engineer

Waukesha, WI

$104.60K - $143.60K/yr

The Senior Engine Code Engineer plays an important role in advancing the design and performance of internal combustion engines (ICE), through code creation, embedded software, and code validation.

thatgamecompany

Senior Engine Programmer

Los Angeles, CA · Remote

$164.50K - $222.50K/yr

Senior Engine Programmer Remote US & Canada only We're looking for an exceptional Senior Engine ... Performance (CPU and GPU), Cross-platform support, Netcode, Multithreading, Audio, and Rendering ...

Thatgamecompany

Senior Engine Programmer

$164.50K - $222.50K/yr

Senior Engine Programmer Remote US & Canada only We're looking for an exceptional Senior Engine ... Performance (CPU and GPU), Cross-platform support, Netcode, Multithreading, Audio, and Rendering ...

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$59.5K

$126.6K

$183.5K

How much do senior engine performance engineer jobs pay per year?

As of May 31, 2026, the average yearly pay for senior engine performance engineer in the United States is $126,557.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Engine Performance Engineer, and why are they important?

To thrive as a Senior Engine Performance Engineer, you need a deep understanding of thermodynamics, combustion, and engine calibration, typically supported by a degree in mechanical or automotive engineering. Proficiency with simulation software (like GT-Power), data acquisition systems, and engine management tools is essential, along with knowledge of industry standards such as ISO or SAE. Analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and presenting technical findings. These skills and qualifications are vital for optimizing engine performance, meeting regulatory requirements, and driving innovation in competitive automotive environments.

What are some of the main challenges a Senior Engine Performance Engineer faces when working on new engine designs?

One of the main challenges in this role is balancing competing requirements such as power output, fuel efficiency, emissions compliance, and durability. Senior Engine Performance Engineers often need to collaborate closely with calibration, validation, and design teams to optimize engine parameters while adhering to project timelines and regulatory standards. Additionally, keeping up with rapidly evolving technologies and integrating new components or control strategies can add complexity to the development process. Strong problem-solving skills and effective cross-functional communication are critical to successfully navigating these challenges.

What does a Senior Engine Performance Engineer do?

A Senior Engine Performance Engineer is responsible for analyzing, developing, and optimizing engine systems to ensure they meet performance, efficiency, and emissions standards. They work on testing and calibrating engines, interpreting data, and making recommendations for design improvements. These engineers often lead teams, collaborate with other departments, and use advanced tools and simulation software to achieve project goals. Their expertise is crucial in the automotive, aerospace, and manufacturing industries where engine performance is critical.

What is the difference between Senior Engine Performance Engineer vs Engine Calibration Engineer?

AspectSenior Engine Performance EngineerEngine Calibration Engineer
Required CredentialsBachelor's/Master's in Mechanical or Automotive Engineering, certifications like SAE or OEM-specific trainingBachelor's in Mechanical or Automotive Engineering, calibration-specific certifications often preferred
Work EnvironmentDesign labs, testing facilities, vehicle development teamsEngine control units (ECU) calibration, testing labs, vehicle integration
Employer & Industry UsageAutomotive OEMs, Tier 1 suppliers, motorsport teamsAutomotive OEMs, ECU calibration firms, aftermarket tuning companies

The Senior Engine Performance Engineer focuses on optimizing engine performance through testing and analysis, while the Engine Calibration Engineer specializes in ECU tuning and calibration to meet performance and emissions standards. Both roles require similar technical backgrounds but differ in their specific focus areas within engine development.

More about Senior Engine Performance Engineer jobs
What cities are hiring for Senior Engine Performance Engineer jobs? Cities with the most Senior Engine Performance Engineer job openings:
What are the most commonly searched types of Engine Performance Engineer jobs? The most popular types of Engine Performance Engineer jobs are:
What states have the most Senior Engine Performance Engineer jobs? States with the most job openings for Senior Engine Performance Engineer jobs include:
What job categories do people searching Senior Engine Performance Engineer jobs look for? The top searched job categories for Senior Engine Performance Engineer jobs are:
Senior Engine Performance Engineer jobs near you
Infographic showing various Senior Engine Performance Engineer job openings in the United States as of May 2026, with employment types broken down into 95% Full Time, 3% Part Time, and 2% Contract. Highlights an 83% Physical, and 17% Remote job distribution, with an average salary of $126,557 per year, or $60.8 per hour.
Senior Engine Performance Engineer

Senior Engine Performance Engineer

LiquidPiston, Inc.

Suffield, CT • On-site

$101.50K - $139.40K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 13 days ago

Job description

Senior Engine Performance Engineer
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 an advanced engine development company focused on revolutionizing internal combustion technology through its innovative rotary engine design. By rethinking traditional engine architecture, LiquidPiston is developing compact, efficient, and high power-density engines for a wide range of applications. The team operates in a fast-paced, engineering-driven environment focused on innovation, collaboration, and bringing cutting-edge technology to production.
Role Overview:
As a Senior Engine Performance Engineer, you will play a key role in advancing the development of LiquidPiston's rotary engines toward production. Working closely with Chief Engineers, Design Engineers, and cross-functional teams, you will help define the data needed to guide engine architecture, design features, and calibration strategies. You will develop and execute test and analysis plans in collaboration with Test and Simulation Engineers, while occasionally performing high-level analyses or basic GT-Power simulations to support decision-making.
This role is heavily focused on data analysis and insight generation. You will review and interpret large datasets, draw conclusions, and make data-driven recommendations to stakeholders through presentations and detailed technical reports. You will also collaborate with Modeling and Simulation teams to integrate analytical results into your recommendations, while contributing to continuous improvement efforts that enhance the efficiency and effectiveness of engine performance development.
Key Responsibilities:
  • Develop a deep understanding of the data required to inform engine architecture, design features, and calibration strategies that meet performance goals
  • Partner with Test Engineers to create and execute test plans that generate critical experimental data
  • Collaborate with Modeling and Simulation Engineers to define and execute simulation plans. Review analytical outputs and incorporate insights into recommendations
  • Perform rough order-of-magnitude analyses and basic GT-Power simulations as needed
  • Take ownership of the quality and reliability of test and analysis results, including understanding assumptions and uncertainties
  • Analyze experimental data in detail and present findings, recommendations, and supporting evidence to stakeholders
  • Prepare comprehensive technical reports documenting test objectives, results, conclusions, and next steps
  • Apply sound engineering judgment to balance aggressive timelines with risk and uncertainty
  • Contribute to continuous improvement initiatives to enhance performance development processes
  • Ensure compliance with safety standards and regulatory requirements
  • Follow company policies related to data management, time reporting, IP protection, and compliance
  • Communicate clearly and professionally with cross-functional teams
  • Demonstrate ownership, maintain a positive and open-minded attitude, and adapt effectively to challenges and setbacks
Requirements:
  • Bachelor's degree in Mechanical Engineering or a related field (Master's preferred)
  • 5+ years of experience in engine performance development, testing, or calibration
  • Strong understanding of internal combustion engines (rotary engine experience is a plus)
  • Experience developing and executing engine test plans and analyzing performance data
  • Familiarity with engine simulation tools such as GT-Power (or similar)
  • Hands-on experience with engine testing equipment and measurement tools
  • Strong analytical and problem-solving skills with the ability to interpret complex datasets
  • Experience working in cross-functional engineering teams, including test and simulation
  • Ability to clearly communicate technical findings to both technical and non-technical stakeholders
  • Experience in an R&D or prototype environment is highly preferred
  • Self-starter with strong attention to detail and a proactive, ownership-driven mindset
Benefits & Perks:
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you.
  • Equity Participation: Permanent employees receive RSUs (Restricted Stock Units).
  • 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 as we move forward.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. Qualified applicants will not be discriminated against, and receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status or disability.
All offers of employment at LiquidPiston are contingent upon successful completion of a pre-employment background check and drug screening.

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