Principal Systems Engineer

Job Posting Start Date 02-06-2026 Job Posting End Date 05-25-2026<p style="text-align:inherit"></p><p style="text-align:inherit"></p>Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.<p style="text-align:inherit"></p><p style="text-align:inherit"></p>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.<p style="text-align:inherit"></p><p style="text-align:inherit"></p><h2>Job Summary</h2><p><span>To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a/an </span><b>Principal Systems Engineer  </b><span>located in </span><b><span>San Jose, CA.</span></b></p><p></p><p><span>Reporting to the </span><b><span>Director, Field Applications </span></b><span>the </span><b>Principal Systems Engineer </b>will be accountable for providing partnership and collaboration to customers (senior engineering/architect roles) in understanding and developing systems requirements and architectural considerations.</p><p></p><p><b><span>What a typical day looks like:</span></b></p><ul><li>Interface with external (senior engineering, systems, architect roles) and internal (CTO, R&amp;D, Product Marketing, FAE’s) stakeholders with the goal of understanding and then articulating customer systems and architectural considerations.</li><li>Travels to customer sites for in-person discussions on technology and products. </li><li>Travels to tradeshows and other company events to represent Flex technologies.</li><li>Travel will range from 20%-40% of the time.</li><li>Work closely with the Sales and the FAE teams to coordinate customer activities.</li><li>Develop and maintains external and internal stakeholder relationships.</li><li>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.</li><li>Lead internal conversations to understand present postures and limitations, and articulate possibilities helping with setting technology direction.</li><li>Works with all parties involved, including ODM’s, etc. to create and maintain clarity.</li><li>Develop technology roadmaps for customers (by gathering information from them) and present them internally.</li><li>Co-develop technology roadmap for Flex (with design) and present them to the customers.</li><li>Help define new products with customer requirements and new technology knowledge..</li></ul><p></p><p><b>The experience we’re looking to add to our team, </b></p><ul><li>Bachelor’s degree in electrical engineering (or equivalent), Master’s preferred</li><li>8&#43; years of experience in Technical Marketing or Architecture or Applications or Design or Systems Engineering of DC/DC converters</li><li>Good understanding of the DC/DC conversion market as well as design considerations</li><li>Experience interfacing with Engineering management at Tier 1 customers</li><li>Excellent verbal and written communication skills.</li></ul><p></p><p></p><p>EC37</p><p style="text-align:inherit"></p><p style="text-align:left"><b>What you&#39;ll receive for the great work you provide:</b></p><ul><li>Full range of medical, dental, and vision plans</li><li>Life Insurance</li><li>Short-term and Long-term Disability</li><li>Matching 401(k) Contributions</li><li>Vacation and Paid Sick Time</li><li>Tuition Reimbursement</li></ul><p style="text-align:inherit"></p>Pay Range (Applicable to California)<h3></h3><h3></h3>$150,000.00 USD - $206,300.00 USD Annual<p style="text-align:inherit"></p><p style="text-align:inherit"></p><h2></h2><h2>Job Category</h2>Design, Process &amp; Technology Engineering<p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><h2></h2><p style="text-align:inherit"></p><p style="text-align:left">Is Sponsorship Available?</p>No<p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:inherit"></p>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 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).