Senior Engine Performance Engineer

About the role

This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.

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