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USA, Remote, United States of America
Remote only
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 (remote)
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 tradeshows 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:
Application Deadline:
Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.
Job Posting Start Date 07-09-2026 Job Posting End Date

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.
$153,500.00 USD - $211,000.00 USD AnnualIs Sponsorship Available?
NoFlex 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 accessibility@flex.com 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).