Technical Sales Engineer / Manager (w/m/d) - BESS

PHENOGY AG seeks a Technical Sales Engineer/Manager in Luzern to drive BESS sales, bridging technical expertise with commercial strategy for sodium-ion battery solutions.

As PHENOGY transitions from a dynamic start-up to a scale-up phase, this position serves as the technical anchor for the sales team. The role focuses on positioning sodium-ion battery technology in the market by acting as the primary technical liaison for customers and partners, ensuring that complex energy storage needs are met with viable, high-value solutions.

Responsibilities

• Serve as the technical authority during all stages of the sales cycle for Battery Energy Storage Systems (BESS).
• Evaluate client needs and convert them into solution concepts that are both technically sound and commercially attractive.
• Deliver technical presentations to stakeholders, clearly articulating the value proposition of PHENOGY’s products.
• Engineer tailored BESS configurations and assist in drafting technical and commercial proposals.
• Perform load profile analysis, business case evaluations, and return on investment (ROI) modeling.
• Assist in managing tender processes, responding to Requests for Proposals (RFPs), and handling customer qualification steps.
• Work closely with Engineering, R&D, Product Management, and Operations teams to align sales efforts with technical capabilities.
• Share market and customer feedback to help drive ongoing product enhancements.

Requirements

• A Bachelor’s degree in Electrical Engineering, Energy Technology, Mechanical Engineering, Industrial Engineering, Physics, Chemistry, Materials Science, or a closely related discipline.
• Minimum of three years of professional experience in technical sales, solution engineering, application engineering, project engineering, or a comparable customer-facing technical role.
• Deep technical knowledge of battery systems, power electronics, energy storage, renewable energy infrastructure, or similarly complex industrial products.
• Prior exposure to customers or applications in sectors such as BESS, PV/solar systems, EV charging, UPS, switchgear, power electronics, grid infrastructure, or industrial energy systems.
• Ability to simplify and clearly communicate intricate technical concepts to clients, sales staff, and internal engineering teams.
• A strong commercial acumen that allows for linking technical specifications to customer value, business cases, and purchasing decisions.
• Full professional proficiency in both German and English.

Nice to have

• Hands-on experience with battery technologies, including sodium-ion, lithium-ion, power conversion systems, or grid-connected storage.
• Background in technical solution selling for industrial, commercial, utility, or grid operator clients.
• Understanding of energy markets, grid regulations, compliance frameworks, or commercial and industrial (C&I) energy use cases.
• Proven track record in preparing technical proposals, RFP responses, feasibility studies, load profile analyses, or ROI calculations.
• Experience working in early-stage, high-growth, or scale-up technical environments.
• An established professional network within renewable energy, e-mobility, energy infrastructure, or industrial power systems.

What the company offers

• An environment that encourages taking ownership, shaping the role, and reaching full professional potential.
• The opportunity to contribute to PHENOGY’s growth and support the global shift toward sustainable energy.
• Joining a dedicated team of experts passionate about environmental impact.
• Flexible working hours with a hybrid model combining remote work and on-site presence in a modern, sustainable office.
• Team events, high-quality coffee facilities, and occasional coffee served by the CEO.

About the company

PHENOGY AG is an environmentally and socially conscious organization dedicated to fostering prosperity for both people and the planet. Circularity is a core principle in the design of their battery systems. The company champions diversity, equality, and inclusion, viewing these values as essential to strengthening the organization. Their guiding philosophy is 'one mindset, many minds,' emphasizing collaborative innovation.

• Commitment to environmental and social responsibility.
• Circularity as a central design principle for battery systems.
• Strong emphasis on diversity, equality, and inclusion.
• Collaborative culture described as 'one mindset, many minds.'