Energy storage is the missing link in the power grid of the future. At TWAICE, we're on a mission to transform how BESS are developed and operated—making them more reliable, efficient, and successful.
As a leader in BESS Analytics, we empower industry front-runners with the insights they need to maximize performance, reduce risk, and accelerate the energy transition. We're now looking for a driven solution engineer to join our growing team and scale our impact across the U.S. energy storage landscape. If you're passionate about BESS tech, clean tech, and thrive in a fast-paced environment where customer success is the goal—this role is for you.

As a Sales Engineer at TWAICE, you’ll play a pivotal role in the commercial cycle—bridging the gap between customer needs and TWAICE’s analytics capabilities. You will own technical pre-sales engagements with energy storage customers and ensure that proposed solutions are robust, scalable, and tailored to customer challenges.
This is a high-impact role for someone who combines deep technical knowledge of BESS systems with strong communication skills and a consultative mindset.

• Lead technical discovery and requirements gathering with customers and prospects (IPPs, utilities, asset managers, integrators)
• Translate customer use cases into viable solution designs using TWAICE’s Energy Storage Analytics Suite
• Deliver high-quality product demos, technical deep-dives, and scoping engagements
• Serve as a trusted advisor to stakeholders from engineering to executive level
• Collaborate with Product and Engineering to communicate customer feedback and influence roadmap
• Support AE team in proposal development, RFP responses, and technical documentation
• Guide new customers through technical onboarding and integration planning
• Represent TWAICE at industry events and contribute to thought leadership content such as blogposts and webinars

• 5+ years in sales engineering, pre-sales, or technical customer success in energy, grid, or battery software, or industrial SaaS
• Strong knowledge of battery energy storage systems (BESS), grid operations, or asset management
• Ability to explain technical concepts clearly to both engineering and business stakeholders
• Familiarity with analytics, battery degradation, EMS platforms, or data infrastructure (SCADA, API integrations)
• Background in energy markets (e.g., CAISO, ERCOT, PJM) beneficial

TWAICE offers a competitive compensation package designed to reward your contributions and invest in your future. This includes a competitive salary that reflects your experience and skills, alongside the opportunity to directly participate in TWAICE's success through virtual company shares (VSOP). We further support your growth and well-being with a comprehensive benefits package.

• Flexible working hours and work-from-home policy. You decide when and where you work. We provide you with state-of-the-art IT hardware
• 401 (k) savings plan
• Health insurance for you and your family
• 17 vacation and 5 sick days
• A high degree of personal responsibility, creative freedom, and opportunities
• A strong team culture with regular team events and off-sites (Summer and Christmas party, at least one big off-site, Oktoberfest event)

Would you like to find out more about TWAICE as an employer? Then take a look at Facebook, Instagram, ​LinkedIn or Kununu​.

The world is transitioning towards renewable energy generation and sustainable transportation to counteract global climate change. Batteries are both the key and the achilles heel of this transition. Our mission is to enable efficient development and long lifetime of stationary energy storage systems and electric vehicles with our Predictive Battery Analytic Software based on Digital Twins. Join us on our way to an emission free future. We are a fast growing venture capital financed start-up of about 120 employees – Become part of the family!