LiquidPiston · 1 month ago
Senior Engine Sealing Engineer
Bloomfield, CT
Full-time
Onsite
Senior Level
5+ years expLiquidPiston is redefining internal combustion with its innovative X-Engine architecture. The Senior Engine Sealing Engineer will lead the design and validation of rotary engine sealing systems, utilizing advanced principles of tribology and materials science to optimize performance and reliability.
Industrial EngineeringManufacturingMechanical Engineering
Responsibilities
Lead the design and refinement of the rotary engine sealing system, including Apex Seals and Face Seals
Contribute to the design, material selection, and optimization of journal bearings. Analyze bearing loads, clearances, oil flow, and housing deflection to ensure hydrodynamic stability and durability
Apply advanced principles of tribology to minimize friction, optimize lubrication, and predict/mitigate wear on seals and housing surfaces
Develop and utilize 1D/3D dynamic models to analyze seal motion, contact pressure, leakage, and flutter under various operating conditions (speed, temperature, load)
Specify and qualify materials appropriate for high-temperature, high-pressure sliding contact, and collaborate with manufacturing partners on component specifications
Utilize Finite Element Analysis (FEA) to assess thermal distortion, structural integrity, and mechanical stress on sealing components and their supporting structures (rotor, housing)
Design, execute, and analyze engine test plans focused on seal performance, durability and friction
Diagnose and resolve complex sealing-related engine performance issues identified during dyno testing and field trials
Communicate findings clearly and effectively to stakeholders
Qualification
Required
Bachelor's degree in Mechanical Engineering, Materials Science, or a related field
5+ years of experience in the design, development, and validation of ICE power cylinder ring packs and cylinder bores
Proficiency with advanced engineering simulation tools (e.g., FEA/CFD, and specialized Ring Dynamics software)
Programming languages: Matlab (MUST), Python/C++
Deep understanding of high-temperature materials science and their application in severe engine environments
Experience with advanced surface treatments or coatings for friction reduction and wear resistance
Proven ability to work independently and collaboratively in a fast-paced R&D environment
Preferred
Master's degree in Mechanical Engineering, Materials Science, or a related field
Benefits
Flexible PTO
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%
Ongoing training, mentorship, and learning opportunities to accelerate your growth.
Company
LiquidPiston
LiquidPiston develops advanced internal combustion engines through its patented thermodynamic cycle and engine technologies.
11-50 employees
H1B Sponsorship
LiquidPiston has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (1)
2022 (1)
2021 (2)
Funding
Current Stage
Growth StageTotal Funding
$25.97MKey Investors
Adams Capital Management
2021-10-01Equity Crowdfunding
2020-11-01Series Unknown
2020-01-12Equity Crowdfunding· $1.07M
Leadership Team
Nikolay Shkolnik
Co-Founder & Principal
Vincenzo Perrone
VP of Engineering
Recent News
LiquidPiston
2025-10-29
Company data provided by crunchbase