Senior Mechanical Engineer (Thermal)

Aspen Systems, Inc.; Marlborough (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Aspen Systems, Inc. seeks an experienced engineer to design, develop, and verify miniature cooling systems for critical industries. You will follow good engineering practices, document system designs, and participate in transitioning designs to manufacturing and production support.

The role emphasizes collaboration with customers, internal teams, and suppliers to minimize cost while ensuring performance. Strong CAD skills and hands-on testing are essential for success.

Qualifications

• BS or MS in mechanical engineering or equivalent field.
• Experience designing and detailing refrigeration or cooling systems.
• Experience generating and reviewing engineering documentation (specs, schematics, test reports).
• Experience with hands-on lab testing of mechanical and electrical systems.

Responsibilities

• Design compact refrigeration systems to meet customer requirements.
• Develop thermal solutions from concept through manufacturing release.
• Interface with customers to define system requirements and deliverables.
• Conduct design reviews and verification testing.

Skills

Mechanical engineering

Documentation

SolidWorks

Heat transfer

Data analysis

Independent work

Gantt charts

ISO 9001

MS Office

Education

BS or MS in mechanical engineering or equivalent

Tools

SolidWorks

Job description

At Aspen Systems, we design and manufacture miniature cooling systems that power critical industries like medical, defense, electronics, and industrial manufacturing. Working here means being part of a collaborative, supportive team dedicated to engineering excellence. Your expertise is valued, your ideas make an impact, and your work directly contributes to innovative products that solve real-world challenges.

Aspen Systems, LLC is looking for a motivated engineer to work on the design, development, and verification of miniature cooling systems. The candidate is expected to follow good engineering practices in the documentation of system designs. Candidates must be willing to expand their function beyond engineering development – Aspen engineers are frequently involved with transitioning designs to manufacturing and support of production.

Responsibilities

• Design of compact refrigeration systems to meet customer-driven product requirements
• Develop custom thermal solutions from concept phase through manufacturing release, working with the customers as well as Aspen’s internal manufacturing and quality teams.
• Interact with customers to define system requirements and interface
• Conduct design reviews throughout the development process in an efficient and timely manner
• Develop and execute design verification protocols in accordance with engineering best practice
• Generate detailed engineering documentation (drawings of parts, subassemblies, etc.)
• Manage project schedules and budgets with internal and external resources
• Conduct data analysis and generate written test reports summarizing system performance
• Design systems with attention to ease of manufacturability and minimization of system cost
• Work with suppliers to minimize component cost and complexity

Requirements

Qualifications

• BS or MS in mechanical engineering or equivalent field
• 10 – 20 years of experience working in an engineering environment
• Excellent communication, organization, and interpersonal skills
• Experience generating and reviewing engineering documentation, such as product specifications, system schematics, test procedures, and test reports
• Experience with hands-on laboratory testing of electrical and mechanical systems
• Proficient in SolidWorks (or other CAD software), including creating engineering drawings for sheet metal, machined parts, plastics, or other parts and assemblies
• Fundamental knowledge of refrigeration systems and heat transfer
• Self-motivated: able to work independently as well as part of a product development team
• Basic knowledge of engineering planning activities through use of Gantt charts
• Experience working in an ISO 9001-compliant environment
• Proficient in MS Office

Certain positions with Aspen Systems, LLC require access to controlled goods and technologies subject to ITAR or EAR compliance. Applicants for these positions may need to be “U.S. Persons,” as defined in these regulations. Generally, a “U.S. Person” is a U.S. citizen, lawful permanent resident, or an individual who has been admitted as a refugee or granted asylum.