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Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward.
The Product Marketing Manager- Renewables, Datacenter & BESS leads system-level solution development and go-to-market execution across solar, wind, utility-scale battery energy storage systems (BESS), microgrids, and mission-critical datacenter power architectures. Blend deep engineering expertise with market strategy to position Littelfuse as the preferred partner for inverters, power conversion, ESS safety, switchgear, surge protection, and reliability engineering. Influence specifications, shape customer architectures, and secure multi-product design-in wins across OEMs, EPCs, integrators, and hyperscale facility operators.
Key Responsibilities:
• System Solution Development: Architect end-to-end solutions for PV, BESS (DC stings, PCS, containerized ESS) microgrids, and mission-critical datacenter power distribution using Littelfuse protection, switching, sensing, and semiconductor portfolios.
• BESS Safety & Compliance: Define protection coordination, isolation/ground fault strategies, thermal/runway mitigation, and monitoring aligned to NEC/UL/IEEE requirements and site practices.
• Customer Engagement & Design -In Influence: Partner with inverter/PCS OEMs, ESS integrators, EPCs, and facility operators to shape specifications, run on-site demos, and lead risk-reduction workshops that translate to design-ins.
• Segment Marketing & Positioning: Own segmentation, messaging, and campaigns for Renewables, Datacenter & BESS; prioritizing events, road shows, and distributor programs tied to measurable pipeline impact.
• Sales & Channel Enablement: Deliver reference designs, one-line diagrams, protection / surge coordination guides, and field tools (selectors, ROI calculators, training).
• Thought Leadership: Publish application notes, white papers, and case studies on BESS safety, PV+Storage architecture, and datacenter power reliability; speak at industry forums.
• Market Intelligence: Track standards, interconnection rules, and competitive architectures to guide positioning and portfolio roadmaps.
Qualifications:
• Education: Bachelor's degree in electrical engineering or Power Systems Engineering.
• Experience:7+ years in renewables, energy storage, power electronics, inverter / PCS design, or datacenter electrical systems; demonstrated success converting technical engagements into commercial outcomes.
• Technical Expertise: Protection coordination, LV /MV distribution, surge/EMC mitigation, power semiconductors, switching, grounding/bonding, thermal management, and reliability engineering.
• Communication:Clear technical writing, executive- ready presentations, and storytelling for engineering, procurement, and operations audiences.
• Attributes:Customer- facing, systems thinker, collaborative,
and comfortable in field environments and standards discussions.
Success Metrics
• Growth in qualified design-ins and specification inclusions across Renewables, BESS, and Datacenter accounts.
• Incremental pipeline and revenue attributable to system-solution initiatives and events.
• Multi-product adoption per account and closed-loop follow-up from VoC
insights and enablement asset usage.
• Travel up to 30% for customer visits, and industry events.
#LIOB1
Littelfuse is an equal opportunity employer committed to empowering every associate to make a difference - everywhere, every day.
We offer a comprehensive benefits package, including:

• Medical, dental, and vision coverage
• 401(k) with company match and annual contribution
• Paid time off and 11 holidays
• Flexible and remote work options
• $900 Lifestyle Spending Account
• Tuition reimbursement (up to $20,000)
• Lean Six Sigma certification and career development opportunities
• Life, disability, and voluntary insurance options.

Artificial intelligence (AI) tools may be used in some portions of the candidate review process for this position, however, all final employment decisions will be made by a person.
Salary Range:
$104,400 - $161,760
The salary offered will vary depending on your location, job-related skills, knowledge, and experience.
At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities.