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Ultramax Manufacturing Ltd

Technical Sales Engineer

London, ENG, GBOn-siteIndividual contributorvia jobspy_indeed
lithium batterybmspower electronicssalesenergy storageli-ionlfp

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We are looking for a **Technical Sales Engineer** with strong knowledge of **lithium battery systems**, including **Li\-ion and LiFePO₄/LFP battery packs**, BMS, chargers, power electronics, and battery applications.

The role is a mix of **technical understanding and commercial sales**. The person must be able to speak confidently with customers, understand their technical requirements, recommend the right battery solution, prepare quotations, and help close sales.

This is not just a desk sales role. The candidate must be comfortable dealing with engineers, procurement teams, distributors, OEMs, and end\-users.

Key ResponsibilitiesSales \& Business Development

* Identify and approach new customers for lithium battery products. * Develop sales opportunities across sectors such as: * Energy storage * Mobility * Marine * Golf carts * Industrial equipment * Robotics * UPS / backup power * Telecoms * Defence and specialist applications * Build and maintain relationships with OEMs, distributors, and large commercial customers. * Follow up leads, manage the sales pipeline, and convert enquiries into orders. * Prepare commercial offers, quotations, and proposals. * Negotiate pricing, payment terms, and delivery schedules. * Attend customer meetings, exhibitions, and site visits where required.

Technical Responsibilities

* Understand customer battery requirements, including: * Voltage * Capacity * Discharge current * Charge current * Cycle life * Size and weight limits * Communication protocols * Safety requirements * Environmental conditions * Recommend suitable lithium battery solutions based on customer needs. * Work with engineering teams to develop custom battery pack solutions. * Explain BMS functions, safety features, cell chemistry, charging requirements, and battery integration. * Support customers with technical questions before and after sale. * Review datasheets, specifications, and customer technical documents. * Help prepare technical documentation, product comparisons, and application notes. * Feed customer requirements back to the product and engineering teams.

Required Experience

The candidate should have experience in at least one of the following areas:

* Lithium battery sales * Battery pack design or integration * Electrical engineering sales * Power electronics * EV, ESS, telecom power, marine power, or industrial battery systems * Technical sales of electrical or electronic products

Experience selling to OEMs or industrial customers is strongly preferred.

Required Technical Knowledge

The candidate should understand:

* Lithium\-ion and LiFePO₄ battery technology * Battery packs, cells, modules, and BMS * Voltage, Ah, kWh, C\-rate, charge/discharge rates * Battery safety and protection systems * Chargers and charging profiles * CAN, RS485, Bluetooth, UART or similar communication protocols * Basic electrical calculations * Battery applications in industrial, commercial, and mobility sectors

Skills \& Attributes

* Strong technical understanding with commercial sales ability. * Confident speaking to both technical and non\-technical customers. * Able to understand customer problems and convert them into battery solutions. * Self\-motivated and target\-driven. * Strong communication and presentation skills. * Good negotiation skills. * Organised and able to manage multiple sales opportunities at once. * Practical, hands\-on mindset. * Comfortable working in a fast\-moving company. * Able to travel for customer meetings where needed.

Qualifications

Preferred but not essential:

* Degree, diploma, or technical qualification in: * Electrical Engineering * Electronics * Mechanical Engineering * Battery Technology * Renewable Energy * Power Systems * Strong industry experience can replace formal qualifications.

KPIs / Performance Measures

The role will be measured on:

* New customer accounts opened. * Monthly and annual sales revenue. * Gross profit achieved. * Number of qualified leads generated. * Conversion rate from enquiry to order. * Speed and quality of technical quotations. * Customer satisfaction and repeat business. * Ability to identify new product opportunities.

Pay: From £50,000\.00 per year

Benefits:

* Casual dress * Free parking * On\-site parking

Work Location: In person

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