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Prototype Engineer Jobs in Connecticut (NOW HIRING)

LiquidPiston

Mechanical Engineer

Suffield, CT · On-site

Mechanical Engineer This role is fully onsite in Bloomfield, CT, five days per week, and the ... Support prototype fabrication by working with in-house machinists and external vendors

LiquidPiston, Inc.

Mechanical Engineer

Suffield, CT · On-site

Mechanical Engineer This role is fully onsite in Bloomfield, CT, five days per week, and the ... Support prototype fabrication by working with in-house machinists and external vendors

Skylimit Systems

Electrical Engineer

Granby, CT

$85K - $110K/yr

The Electrical Engineer is responsible for the development, testing, and support of high ... Support products through the full development lifecycle including concept, design, prototyping ...

LiquidPiston Inc.

Chief Engineer

Suffield, CT · On-site

$120 - $160/hr

Collaborating closely with company leadership, cross‑functional engineering teams, and external partners, you will lead the technical execution of a major engine development program from prototype ...

II-VI Incorporated

R&D Engineer

Monroe, CT

Engineering prototyping with advanced composite materials, including design input, equipment programming, equipment operation, assembly and inspection * Develop and improve production methods for ...

Coherent Corp.

R&D Engineer

Monroe, CT · On-site

Engineering prototyping with advanced composite materials, including design input, equipment programming, equipment operation, assembly and inspection * Develop and improve production methods for ...

II-VI Aerospace & Defense

R&D Engineer

Monroe, CT · On-site

Engineering prototyping with advanced composite materials, including design input, equipment programming, equipment operation, assembly and inspection * Develop and improve production methods for ...

Coherent

R&D Engineer

Monroe, CT · On-site

Engineering prototyping with advanced composite materials, including design input, equipment programming, equipment operation, assembly and inspection * Develop and improve production methods for ...

LiquidPiston

Chief Engineer

Suffield, CT · On-site

Collaborating closely with company leadership, cross-functional engineering teams, and external partners, you will lead the technical execution of a major engine development program from prototype to ...

Actalent

Mechanical Design Engineer

Old Saybrook, CT

$35 - $45/hr

Support prototype development, evaluation, and testing activities. * Create production-ready drawings, models, and supporting technical documentation. * Work collaboratively with engineering, quality ...

Actalent

Mechanical Design Engineer

Old Saybrook, CT

$41 - $44/hr

Support prototype development, evaluation, and testing activities. * Create production-ready drawings, models, and supporting technical documentation. * Work collaboratively with engineering, quality ...

LiquidPiston, Inc.

Chief Engineer

Suffield, CT · On-site

Collaborating closely with company leadership, cross-functional engineering teams, and external partners, you will lead the technical execution of a major engine development program from prototype to ...

Prophecy Technologies

AI/ML Engineer

Hartford, CT · On-site

Experience building rapid prototypes and APIs using FastAPI/Flask and/or Streamlit. Qualifications: * 6+ years of overall experience in software development focusing on AI/ML engineering. * 2+ years ...

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All JobsPrototype Engineer JobsPrototype Engineer Jobs in Connecticut

Prototype Engineer information

See Connecticut salary details

$27

$34

$36

How much do prototype engineer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for prototype engineer in Connecticut is $34.70, according to ZipRecruiter salary data. Most workers in this role earn between $32.69 and $36.59 per hour, depending on experience, location, and employer.

What are some common challenges prototype engineers face when transitioning designs from concept to functional prototypes?

Prototype Engineers often encounter challenges such as interpreting incomplete or evolving design specifications, sourcing unconventional materials, and working within tight deadlines. Close collaboration with design, engineering, and manufacturing teams is essential to resolve technical issues quickly and ensure the prototype aligns with the intended functionality. Flexibility and creative problem-solving are key, as unexpected obstacles frequently arise during the rapid iteration and testing phases.

What is a prototype engineer?

A Prototype Engineer is a professional who designs, builds, and tests early versions of products or components to evaluate their functionality and performance before mass production. They collaborate with designers, engineers, and product managers to turn concepts into tangible prototypes, using a variety of fabrication techniques and materials. Their work helps identify potential design improvements, troubleshoot issues, and ensure that the final product meets technical and user requirements.

What are the key skills and qualifications needed to thrive as a prototype engineer, and why are they important?

To thrive as a Prototype Engineer, you need strong skills in mechanical or electrical engineering, rapid prototyping techniques, and a relevant engineering degree. Familiarity with CAD software, 3D printing technologies, and hands-on fabrication tools is typically required, along with knowledge of prototyping standards. Creativity, problem-solving, and effective communication are essential soft skills to excel in cross-functional teams and adapt to evolving project requirements. These abilities enable successful design iteration, effective collaboration, and efficient transition from concept to functional prototype.

What does a prototype engineer do?

A prototype engineer is part of a product development team that designs prototypes for new kinds of industrial products. Many companies employ design engineers to perform numerous technical duties, such as drawing up schematics and blueprints, overseeing the production of prototypes, and testing those prototypes to decide whether they should enter mass production. The career requires significant educational qualifications and a variety of skills and experience. You should have an engineering degree in the field you wish to enter, strong analytical problem-solving, and the ability to work as part of a large team.

More about Prototype Engineer jobs
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What job categories do people searching Prototype Engineer jobs in Connecticut look for? The top searched job categories for Prototype Engineer jobs in Connecticut are:
What are popular job titles related to Prototype Engineer jobs in CT? For Prototype Engineer jobs in CT, the most frequently searched job titles are:
Prototype Engineer jobs near you
Infographic showing various Prototype Engineer job openings in Connecticut as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $72,172 per year, or $34.7 per hour.

Engineer-Integration and Testing (REQ 326)

Applied Physical Sciences and General Dynamics

Groton, CT

Full-time

Re-posted 26 days ago

Job description

Overview:
Applied Physical Sciences (APS) is seeking an engineer with 2+ years' experience testing integrated systems to join our Systems Design Department in Groton, CT. Applicants will be responsible for supporting engineering teams during development, integration, and testing of prototype systems in a collaborative, multidisciplinary engineering environment. This position offers applicants exposure to all parts of the R&D process, from first-principle analysis through prototyping and testing of integrated systems. By working closely with mechanical, electrical, software, and systems engineers, applicants will create and execute test plans, collect and analyze data, and help validate prototype system performance against design requirements.
APS works on exciting, technically challenging, research & development programs where multidisciplinary teams work closely to address difficult national security needs. At APS, you will work in a small company environment where technical and administrative excellence are rewarded, and an entrepreneurial spirit is encouraged. This position will allow applicants to make meaningful contributions to the APS mission.
Job Functions and Responsibilities
  • Establish and execute test procedures for prototype maritime systems
  • Support integration and checkout of multidisciplinary systems including mechanical assemblies, electronics, instrumentation, and software in Pawcatuck, CT and offsite locations
  • Support cross-functional teams to verify and validate design requirements
  • Document test logs, configuration records, and test results
  • Develop, analyze, assemble, and test specialized test beds and prototype systems
Required Skills and Attributes
  • BS in Engineering or related Science, Technology, or Mathematics field
  • 2+ years job-related experience, including internships
  • Ability to work under supervision on engineering tasks, with the intent to take on more responsibilities and work independently
  • Ability to understand and communicate complex design requirements
  • Ability to create and detailed test procedures and document results
  • Ability to work in a hands-on environment with prototype systems and test equipment
  • Ability to clearly express ideas and findings to team members
  • Must be able to obtain Department of Defense Secret security clearance
Preferred Skills and Attributes
  • Familiarity in data acquisition systems and instrumentation
  • Experience with MIL-STD test procedures and reporting
  • Experience with data analysis tools such as LABVIEW, Python, MATLAB, etc.
  • Strong analytical and troubleshooting skills
  • Strong written and verbal communication skills
  • Background working in rapid prototyping or R&D environments
  • Experience integrating hardware and software systems
  • Basic knowledge of systems engineering and requirements verification methods
APS, a wholly owned subsidiary of the General Dynamics Corporation, offers competitive salaries, excellent benefits, and comfortable working conditions. Candidates must possess or be able to obtain a DoD security clearance. Please note, obtaining a security clearance is a condition of employment which typically requires US citizenship and a thorough background investigation.
EOE: Vet/Disability
Invitation to Self-IdentifyIn keeping with our commitment to Equal Employment Opportunity (EEO), Applied Physical Sciences invites all applicants to self-identify pre-offer as a protected veteran and/or an individual with a disability.
Invitation to Self-Identify as Protected Veteran
Online Form
Invitation to Voluntary Self-Identification of Disability
Online Form
Job Category: Engineering
Job Type: Full Time
Job Location: Groton CT

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