Principal Thermal Mechanical Engineer

Flex•Littleton, MA

About The Position

At JetCool, a Flex company, we’re at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what’s possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we’re not just advancing technology — we’re redefining cooling standards to create a more sustainable tomorrow.

Requirements

Typically requires bachelor's degree in engineering or related field or equivalent experience and training.
Typically requires 10 years of industry experience.
Demonstrates advanced operations, technical and people and/or process skills as well as customer (external and internal) relationship skills.
Demonstrates detailed expertise in very complex functional/ technical area or broad breadth of knowledge in multiple areas; understands the strategic impact of the function across sites
Demonstrates mastery of expertise in multiple areas and industry
Impacts the medium-term (semi-annual/annual) direction and financial or operational success of the function.
Approves and/or creates functional processes or technologies.
Executes and provides input to functional strategic plans and objectives for site.
Assists in developing plans for structuring and implementing major initiatives.
Defines/ determines and approves functional methods, standards, policies and procedures.
Makes decisions for sections/sub-functions. Decisions may affect multiple sections/sub-functions. Decisions may affect the site.

Responsibilities

Defines system specifications, input/output processes and working parameters for hardware/software compatibility.
Coordinates design of subsystems and integration of total system.
Identifies, explores, and resolves program deficiencies.
Provides complex software development and consultation to prospective users.
Tracks customer/project issues and drives resolution.
Serves as main Project Development Engineer.
Develops and maintains project schedule.
Prepares and maintains Engineering NRE estimates.
Interfaces with and guides customer product development calls and meetings.
Acknowledges customer inquiries concerning complex system software and applications.
Accountable for systems level development and testing requirements involving finalizing approved Vendor Lists and design of components which are unavailable.
Provides complex technical assistance for sales presentations, product demonstrations, installation, and maintenance of company products to ensure that the system is functioning according to specifications.
Provides technical direction, as required, for the implementation of industry regulations and best practices as they apply to product/systems.
Develops product specifications where applicable.
Develops and/or approves test plans and test reports.
Defines pre-production system build logistics and deployment schedules.
Develops engineering release documentation.
Builds mini applications, as required, based on customer requirements to demonstrate feasibility of an application, often requiring rapid prototyping.
Ensures ISO process conformance.