Engine Performance Technician - Engine Testing (Temporary)

LiquidPiston; Suffield (CT); On-site; USD 60,000 - 75,000; Full time

Job summary

LiquidPiston, based in Bloomfield, CT, is hiring an Engine Performance Technician for an onsite, temporary role. You will work with engineers to run engine tests, collect and analyze data, and support calibration and control development in our state-of-the-art test facilities.

The role emphasizes hands-on test cell operations, instrumentation, and data-driven development using MATLAB/Simulink and Python. The company plans relocation to Suffield, CT later in 2026, with a collaborative,

Qualifications

• Understanding of internal combustion engine fundamentals and test cell operation.
• Experience with engine testing, dynamometers, or test cells.
• Familiarity with ECU communication protocols (CAN/XCP).
• Experience with MATLAB, Simulink, and Python for data analysis or controls work.

Responsibilities

• Set up, operate, and troubleshoot engine performance test cells for prototype and production engines.
• Execute test plans including durability testing, performance mapping, emissions measurement, and transient testing.
• Assist with engine performance calibration, including feed-forward and closed-loop control strategies.
• Perform mechanical setup, fixturing, and instrumentation of engines and test rigs.
• Install and configure instrumentation to measure flow, temperatures, pressures, loads, and other parameters.
• Operate and troubleshoot high-speed data acquisition systems for combustion and performance data collection.
• Validate sensor accuracy, wiring integrity, and signal quality.
• Support development and implementation of ECU communication protocols such as CAN and XCP.
• Assist in control software development and controller configuration.
• Perform PID control tuning for actuators, fuel systems, airflow systems, and thermal control systems.
• Use Matlab, Simulink, and Python for data analysis, test automation, and model-based development tasks.
• Support PLC logic development for test cell automation, interlocks, and safety systems.

Skills

Engine testing

Data acquisition

MATLAB/Simulink

Python

CAN/XCP

PID tuning

Tools

MATLAB

Simulink

Python

CAN

XCP

Job description

Engine Performance Technician - Engine Testing (Temporary)

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 developing advanced rotary engines that are compact, efficient, and capable of running on multiple fuels. Our team is pioneering next-generation combustion technology used in applications from drones to generators to defense systems. We are seeking a hands-onEngine Performance Technicianto support engine testing, calibration, and performance development in our state-of-the-art test facilities.

Position Summary

TheEngine Performance Technicianwill work closely with engineers to execute engine tests, collect and analyze data, configure instrumentation, and support control system and calibration development. This role is ideal for individuals with strong fundamentals in internal combustion engines, test cell operation, and engine data acquisition systems.

Responsibilities

• Set up, operate, and troubleshoot engine performance test cells for prototype and production engines.

• Execute test plans involving durability testing, performance mapping, emissions measurement, and transient testing.
• Assist with engine performance calibration, including feed-forward and closed-loop control strategies.
• Perform mechanical setup, fixturing, and instrumentation of engines and test rigs.
• Install and configure instrumentation to measure flow, temperatures, pressures, loads, and other performance-related parameters, including flow meters, thermocouples, RTDs, pressure transducers, load cells, and strain gauges.
• Operate and troubleshoot high-speed data acquisition systems for combustion and performance data collection.
• Validate sensor accuracy, wiring integrity, and signal quality.
• Support development and implementation of ECU communication protocols such as CAN and XCP.
• Assist in control software development and controller configuration.
• Perform PID control tuning for actuators, fuel systems, airflow systems, and thermal control systems.
• Use Matlab, Simulink, and Python for data analysis, test automation, and model-based development tasks.

• Support PLC logic development for test cell automation, interlocks, and safety systems.

Requirements

• Understanding of internal combustion engine fundamentals, including thermodynamics, combustion, performance metrics, fueling, and air handling.
• Experience with engine testing, dynamometers, or engine test cell operations.
• Familiarity with ECU communication protocols such as CAN or XCP.
• Experience with Matlab, Simulink, and Python for data analysis or controls work.
• Ability to configure and troubleshoot engine instrumentation and high-speed data acquisition systems.
• Understanding of control systems and PID tuning.
• Ability to read wiring diagrams, assemble electrical harnesses, and diagnose electrical issues.
• Strong mechanical aptitude and hands-on problem-solving skills.
• Experience with PLC logic programming and automated test systems (preferred).
• Experience with model-based calibration workflows or engine control development (preferred).
• Experience working with prototype engines, R&D test environments, or advanced combustion systems (preferred).
• Knowledge of safety practices for fuel systems and rotating machinery.

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.