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Prototype Tester Jobs in Connecticut (NOW HIRING)

Deloitte

Workday Financials Sr Consultant

Stamford, CT · On-site

Experience defining systems strategy, developing systems requirements, designing and prototyping, testing, training, defining support procedures, and implementing practical business solutions under ...

Deloitte

Workday Financials Sr Consultant

Hartford, CT · On-site

Experience defining systems strategy, developing systems requirements, designing and prototyping, testing, training, defining support procedures, and implementing practical business solutions under ...

Eurofins

Associate Formulations Scientist

Groton, CT · On-site

... testing services to clients across multiple industries, to make life and our environment safer ... Preparation of prototype formulations (solutions, suspensions, tablets, capsules, powder blends ...

LEE SPRING COMPANY INC

Design Engineer

Bristol, CT · On-site

$70K - $80K/yr

Guide new product ideas through prototyping, testing, and customer approval * Refine designs collaboratively with customers to balance performance, cost, and manufacturability Production Support

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Prototype Tester information

What is a prototype tester?

Prototype testers are professionals who evaluate early versions of products, known as prototypes, to identify issues, gather user feedback, and ensure the product meets design and functionality expectations. They play a crucial role in the development process by testing usability, durability, and performance, and providing recommendations for improvements. Their feedback helps companies refine products before mass production or public release, reducing the risk of costly errors and enhancing customer satisfaction.

What are the key skills and qualifications needed to thrive as a prototype tester?

To thrive as a Prototype Tester, you need a solid understanding of product development processes, attention to detail, and problem-solving abilities, often supported by a background in engineering, design, or quality assurance. Familiarity with testing tools, data collection systems, and relevant documentation software is typically required. Strong communication, critical thinking, and adaptability help Prototype Testers collaborate with cross-functional teams and provide clear feedback. These skills ensure accurate evaluation of prototypes, supporting product improvement and successful launches.

What are some common challenges prototype testers face when evaluating new products, and how can they overcome them?

Prototype Testers often encounter challenges such as incomplete documentation, rapidly evolving product designs, or limited testing resources. Navigating these issues requires strong problem-solving skills, adaptability, and clear communication with design and engineering teams. Collaborating closely with developers and providing detailed, constructive feedback helps ensure that potential issues are identified and addressed early in the process. Additionally, staying organized and maintaining thorough testing records can help manage changes and provide valuable insights for future iterations.

What is the difference between Prototype Tester vs Product Tester?

AspectPrototype TesterProduct Tester
Required CredentialsBasic technical skills, sometimes a background in engineering or designMinimal; often no formal credentials needed
Work EnvironmentDesign labs, manufacturing facilities, or client sitesHome, retail stores, or online testing environments
Industry UsageProduct development, engineering, manufacturingConsumer goods, electronics, food products
Common Search IntentTesting prototypes for functionality and usabilityEvaluating finished products for quality and satisfaction

Prototype Testers focus on evaluating early-stage models to identify design flaws, while Product Testers assess finished products for quality and user experience. Both roles involve testing but differ in scope, environment, and credentials required.

How do you become a prototype tester?

To become a prototype tester, you typically need to have good attention to detail, basic technical skills, and the ability to follow instructions. Many companies look for individuals who can provide clear, constructive feedback on product designs and usability, often requiring familiarity with testing tools or software. Some roles may require prior experience or certifications in quality assurance or product testing, and flexible schedules are common for testing sessions.

What are popular job titles related to Prototype Tester jobs in Connecticut?

For Prototype Tester jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Prototype Tester jobs in Connecticut look for?

The top searched job categories for Prototype Tester jobs in Connecticut are:

What cities in Connecticut are hiring for Prototype Tester jobs?

Cities in Connecticut with the most Prototype Tester job openings:

Prototype Tester jobs near you
Infographic showing various Prototype Tester job openings in Connecticut as of August 2026, with employment types broken down into 80% Full Time, 15% Part Time, 1% Temporary, and 4% Contract. Highlights an 71% Physical, 1% Hybrid, and 28% Remote job distribution.

Engine Performance Technician - Engine Testing

LiquidPiston, Inc.

Suffield, CT • On-site

$18.25 - $24.75/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 24 days ago

Job description

Engine Performance Technician - Engine Testing
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-on Engine Performance Technician to support engine testing, calibration, and performance development in our state-of-the-art test facilities.
Position Summary
The Engine Performance Technician will 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.
Benefits & Perks
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • We value work-life balance and encourage time to rest and recharge. Our benefits include 3 weeks of PTO (which covers vacation and sick time) plus 10 paid holidays.
  • Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you.
  • Equity Participation: Employes may 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% after 1 year of employment.
  • 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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