Test Engineer

Flex is the diversified manufacturing partner of choice that helps market‑leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Test Engineer located in Littleton, MA
.

Reporting to the Product Manager
, the Test Engineer will execute and analyze the data of experiments driving performance improvements and demonstrating reliability. The position will be responsible for the development of test plans, leading the assembly of test beds and execution and analysis of the planned test sequences. Successful candidates will be comfortable taking on tasks as an individual contributor as well as working together with the team as required to meet project deadlines.

• Apply first principles in fluid dynamics and heat transfer to design rigorous experiments to verify product specifications and design features / performance
• Document detailed test plans to ensure test and product evaluation goals are met
• Lead design and manufacture of test beds
• Perform test assembly and instrumentation of designed experiments
• Execute test sequences and analyze the resulting data
• Effectively document and communicate results
• Provide DFM (design for manufacture), DFA (design for assembly) and performance design optimization feedback to design and manufacturing teams
• Bachelor of Science (B.S. in mechanical or aerospace engineering)
• Ability to balance and prioritize multiple simultaneous projects
• Comfortable with basic plumbing and assembly techniques
• Familiarity with sensors and instrumentation and their data acquisition
• Good first principles knowledge in fluid dynamics, thermodynamics, and heat transfer
• Demonstrated ability with hands‑on builds/projects
• Ability to work independently and on small teams
• Proficiency in a CAD and drawing package
• Comfortable with data analysis using MS Excel, Matlab (Octave), or similar tools

• 3 years of experience in mechanical engineering or aerospace engineering
• Comfortable with data acquisition hardware programming (e.g. Labview, Python / Labjack, etc.)
• Proficiency in Solidworks
• Industry experience in fluid system, compute, or electric vehicle applications
• Six Sigma certification(s) (Green belt, etc.)
• Savvy with electronics systems and/or electronics packaging
• Experience with product development cycles involving environmental and reliability test campaigns
• Comfortable in a fast‑paced, technology startup
• Industry experience in aerospace/defense, automotive, or data centers

Flex 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  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 Flex, you must complete the application process first).