Principal Systems Engineer

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USA, CA, San Josetime type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
May 25, 2026 (30+ days left to apply) job requisition :
WD215248

Job Posting Start Date 02-06-2026 Job Posting End Date 05-25-2026

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.##

Job Summary To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a/an
** Principal Systems Engineer
** located in
** San Jose, CA.
** Reporting to the
** Director, Field Applications
** the
** Principal Systems Engineer
** will be accountable for providing partnership and collaboration to customers (senior engineering/architect roles) in understanding and developing systems requirements and architectural considerations.
** What a typical day looks like:
*** Interface with external (senior engineering, systems, architect roles) and internal (CTO, R&D, Product Marketing, FAE’s) stakeholders with the goal of understanding and then articulating customer systems and architectural considerations.
* Travels to customer sites for in-person discussions on technology and products.
* Travels to trade shows and other company events to represent Flex technologies.
* Travel will range from 20%-40% of the time.
* Work closely with the Sales and the FAE teams to coordinate customer activities.
* Develop and maintains external and internal stakeholder relationships.
* Lead complex conversations with customers to understand requirements and articulate design possibilities, and internally to relay this information and understand design capabilities, initiatives and priorities.
* Lead internal conversations to understand present postures and limitations, and articulate possibilities helping with setting technology direction.
* Works with all parties involved, including ODM’s, etc. to create and maintain clarity.
* Develop technology roadmaps for customers (by gathering information from them) and present them internally.
* Co-develop technology roadmap for Flex (with design) and present them to the customers.
* Help define new products with customer requirements and new technology knowledge..
** The experience we’re looking to add to our team,
*** Bachelor’s degree in electrical engineering (or equivalent), Master’s preferred
* 8+ years of experience in Technical Marketing or Architecture or Applications or Design or Systems Engineering of DC/DC converters
* Good understanding of the DC/DC conversion market as well as design considerations
* Experience interfacing with Engineering management at Tier 1 customers
* Excellent verbal and written communication skills.

EC37
** What you'll receive for the great work you provide:
*** 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 California)### ### $ USD - $ USD Annual## ## Job Category Design, Process & Technology Engineering## No

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).
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