Sales Engineer

Flextronics - The Flex Company; Littleton (MA); On-site; USD 110,100 - 151,400; Full time

Benefits offered by this job

Medical, dental, and vision plans

Life Insurance

Short-term and Long-term Disability

Matching 401(k) Contributions

Vacation and Paid Sick Time

Tuition Reimbursement

Job summary

Flextronics - The Flex Company is seeking a Sales Engineer to join JetCool in Littleton, MA. This role supports a collaboration with OEM partners like Dell and includes responsibilities such as leading technical discovery, mapping cooling architectures, and serving as the technical interface for customer engagements.

The ideal candidate will have 3+ years in pre-sales engineering, strong communication skills, and experience with thermal systems. The position offers a full range of benefits and a competitive salary between $110,100 and $151,400 annually.

Qualifications

• 3+ years in pre-sales engineering or customer-facing technical roles.
• Ability to interpret and communicate complex engineering analyses.
• Strong communication and presentation skills.

Responsibilities

• Lead technical discovery with OEM customers.
• Map JetCool’s cooling architectures to OEM server designs.
• Serve as the primary technical interface for customer engagements.
• Support sales cycles with quotes and technical documentation.
• Collaborate with Engineering to define cooling solutions.

Skills

Pre-sales engineering

Customer-facing skills

Communication

Presentation

Fluid-based mechanical designs

Tools

ANSYS

Icepak

FloTHERM

Job description

Job Posting Start Date: 05-22-2026

Job Summary

JetCool, a Flex company, seeks a Sales Engineer (Littleton, MA or Austin, TX) to support our OEM group, primarily focused on partnerships with Dell and other global system manufacturers. Reporting to the Vice President of Marketing and Partnerships, this role bridges our engineering teams and OEM customers, translating technical requirements into actionable server and rack‑level architectures, and ensuring our SmartPlates, CDUs, and full‑stack cooling solutions meet thermal, mechanical, and integration needs.

Typical Day

• Lead technical discovery with OEM customers to understand system‑level thermal requirements for AI and HPC platforms.
• Map JetCool’s liquid‑to‑liquid and liquid‑to‑air cooling architectures to OEM server designs, rack‑level strategies, and customer deployment models.
• Serve as the primary technical interface for customer engagements, guiding feasibility, integration, and performance expectations.
• Support sales cycles by contributing to quotes, configuration analysis, RFP/RFQ responses, technical documentation, and customer‑facing content.
• Gather and interpret OEM requirements, specifications, and system documentation for JetCool Engineering.
• Collaborate with Engineering to define, refine, and communicate cooling solutions (cold plates, manifolds, CDUs, rack‑level integration).
• Evaluate server and rack architectures (Dell PowerEdge, GPU platforms, AI accelerators) for compatibility.
• Develop and deliver technical presentations highlighting differentiation in thermal performance, efficiency, and sustainability.
• Present thermal analyses in a clear, consumable format for both engineering and business stakeholders.
• Adapt technical depth and messaging in real time based on audience, context, and customer priorities.

Qualifications

• 3+ years in pre‑sales engineering, OEM engagement, or customer‑facing technical roles.
• Ability to interpret and communicate complex engineering analyses.
• Strong communication, presentation, and customer‑facing skills.
• Experience with fluid‑based mechanical designs or thermal systems is preferred.
• Exposure to CFD tools (ANSYS, Icepak, FloTHERM) is a plus.
• Experience applying heat‑transfer and fluid‑mechanics fundamentals to real‑world cooling solutions is preferred.
• Familiarity with server architectures, AI accelerators, and OEM design cycles (Dell experience strongly preferred).

Benefits

• Full range of medical, dental, and vision plans.
• Life Insurance.
• Short‑term and Long‑term Disability.
• Matching 401(k) Contributions.
• Vacation and Paid Sick Time.
• Tuition Reimbursement.

Pay Range (Applicable to Massachusetts)

$110,100.00 USD - $151,400.00 USD annually.

Job Category

Design, Process & Technology Engineering

Equal Opportunity Employer

JetCool is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [e-mail] and we'll discuss your specific situation and next steps. (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at JetCool, you must complete the application process first).