BESS Product & Technical solutions Engineer

Act as a technical interface to battery, BMS, and system suppliers; support evaluation and selection of BMS technologies and vendors

Conduct testing, validation, and performance analysis of products and components; support root cause analysis and corrective actions

Ensure compliance with applicable safety, regulatory, and industry standards (IEC, UL, ISO, CE, EU Battery Regulation)

Contribute to the Europeanization of the BMS and broader BESS product platform, including adaptation to EU regulatory, grid code, and certification requirements

Interface with suppliers and partners for material selection, manufacturability, and cost optimization

Prepare and maintain technical documentation, datasheets, application notes, calculations, and configuration records

Respond to technical queries from internal teams and customers; escalate technical risks, limitations, and deviations in a timely manner

Support continuous improvement of engineering tools, templates, and technical workflows

Collaborate with Sales, Project Management, and external partners as required

Maintain up-to-date knowledge of industry trends, emerging technologies, and competitive solutions in the energy storage space

Požiadavky

Hard skills

• BESS system design & sizing (energy/power, efficiency, losses, degradation)
• BMS architecture, parameterization & protection (SOC/SOH, balancing)
• BMS–PCS–EMS integration & communication (Modbus TCP, CAN, IEC 61850)
• Standards & compliance (IEC 62619, IEC 62933, UL 9540/9540A, EU Battery Regulation, grid codes)
• Safety & risk analysis (FMEA, thermal runaway, thermal management)
• Testing, validation, commissioning & BMS data/log analysis
• Technical documentation (SLDs, layouts, datasheets, tender documentation)
• Pre-sales / tender technical support

Soft skills

• Customer & supplier communication
• Cross-functional teamwork
• Analytical problem solving
• Self-organization & prioritization

Benefity

• Enjoy 5 extra days of paid holiday! We value work-life balance and understand the importance of spending quality time with family and friends.
• Transportation allowance – Commuting made easy! At our company, we support our employees by covering a portion of their transportation costs, whether they travel to work daily or only occasionally.
• Enjoy daily meal vouchers worth €4.29 to support your healthy eating habits at work!
• A company culture that is based on trust, openness, meritocracy and heart-centered leadership, that we shape together and every opinion matters.
• Diversity! We are a cultural melting pot!
• Co-creation of the company processes and organization. Your ideas are what we need.
• Professional growth
• Fast career growth. We believe in the internal promotion.
• Personal and professional growth through various learning opportunities, especially through work with top industry experts and the international management team.
• Exposure to a fast-developing, disruptive project that will shape the future of mobility;
• Possibility to support Company scale-up towards Giga factories securing strategic customers;
• Access to a broad network of experienced colleagues and clients from a variety of industries across the globe.

Požiadavky na zamestnanca

• University education (Bachelor's degree)
• Master’s degree in Electrical Engineering, Renewable Energy Enginering, Mechatronics, Energy Engineering, or related field;
• Slovak - Proficiency (C2)
• English - Upper intermediate (B2)
• Driving licence B

Experience requirements

• Minimum 2 years of Experience in energy storage, battery systems, or related power solutions;
• Knowledge of system-level integration for energy storage and power systems;
• Experience with product testing, validation, and lifecycle management;
• Familiarity with relevant safety and industry standards;
• Strong analytical, problem-solving, and technical communication skills;
• Technical documentation skill
• Experience supporting technical sales or business development is an advantage.
• Familiarity with relevant safety and industry standards is an advantage

Other requirements

• §22 or §23 for HV is an advantage
• Strong teamwork and interpersonal skills to collaborate effectively across functions and with external partners.
• Ability to work independently and manage multiple tasks in a fast-paced, dynamic environment.
• Proactive mindset with a focus on continuous learning and improvement.
• Flexibility to adapt to evolving technologies and product requirements.
• Excellent written and verbal communication skills for technical documentation and customer interaction.
• Willingness to travel occasionally to customer sites, suppliers, or manufacturing facilities.
• Strong organizational skills with attention to detail and quality.