Powertrain/Battery Management Engineer

About Manna

At Manna , we’re changing how the world receives things — by taking delivery to the skies.

Our mission is simple but ambitious: to make high-speed suburban delivery affordable, green, and safe . We design and build our own aviation-grade drones that deliver food, coffee, groceries, and more directly from local stores and vendors to people’s doors in just a few minutes.

We’re a team that Drive with Impact , are Safety Focused , and knows that the best ideas come from Team Players who show up as their Authentic Selves . We move fast, we are passionate about what we do, and we’re always pushing a growth mindset to be better in everything we do.

If you want to build world-changing technology with real-world impact (and have a bit of fun while doing it), you’ll love it here.

Welcome to Manna — where we deliver the future.

Role Purpose

As a Battery Management / Powertrain Engineer at Manna, you will lead the development, testing, and optimisation of our drone power systems — with a strong focus on battery evaluation, efficiency optimisation and integration. Reporting to the Head of Electronics, you’ll play a critical role in transitioning to new battery chemistries and integration technologies while ensuring safe, reliable, and scalable powertrain performance across all operational regions.

Key responsibilities of the role

• Support the transition to new safer, higher energy-density chemistries, including planning and executing comprehensive test campaigns.
• Support scaling of battery systems via collaboration with contract manufacturers using latest smart charging and integration technologies
• Manage all UAV battery-related activities across multiple geographies and environments (USA, UAE, Ireland)
• Design and maintain battery ground tests and commissioning systems, ensuring repeatability and safety.
• Define best practices for safe charging, discharging, and lifetime management of battery packs.
• Manage and develop strategic partnerships with key vendors to ensure supply chain reliability and technical quality at scale.

Requirements

• Education:
• Bachelor’s or Master’s degree in Electrical, Power, or Mechatronic Engineering (or a related field).
• Experience:
• Minimum 3+ years’ hands-on experience in battery systems, power electronics, or related energy storage applications.
• Battery Expertise:

Strong knowledge and proven track record in battery chemistry and Battery Management Systems (BMS) — including SOC/SOH monitoring, cell balancing, voltage/current protection, and thermal control.

• Technical Proficiency:
• Hands-on experience with Lithium-ion chemistries (NMC, LCO, LiPo).
• Experience with SOC/SOH monitoring, cell balancing, voltage/current protection, and thermal control.
• Skilled in performing and automating battery test procedures (capacity, energy, SOC/SOH, internal resistance [AC/DC], thermal).
• Soft

Skills

• Strong analytical mindset with excellent problem-solving, data analysis, and cross-functional communication abilities.
• Team & Culture:
• Collaborative team player, comfortable in a fast-paced, dynamic environment.
• Additional

Requirements

• Fluent English — written and verbal.
• Full driver’s license.