Assembly Equipment Technician
About the job
- A college diploma or above, majoring in Mechatronics, Mechanical Maintenance, Electrical Automation, or related technical disciplines.
- At least 2 years of hands-on maintenance experience in a lithium battery assembly workshop, with familiarity with Notching, Stacking, Tab Welding, or Cell Sealing automation equipment.
- Ability to independently complete daily equipment maintenance, breakdown diagnosis, and minor on-site adjustments, and understanding of basic servo, cylinder, CCD positioning, and pneumatic/hydraulic control principles.
- Ability to read simple mechanical and electrical sketches and proficiency in fixture disassembly, assembly, and replacement.
- Familiarity with workshop 5S and equipment maintenance record management, and ability to accurately complete maintenance, failure, and production shift logs.
- Basic English reading ability for equipment operation manuals and simple technical instructions.
- Ability to work shift schedules and adapt to a mass production workshop environment, with strong safety awareness and execution ability.
- Perform daily startup inspections, routine preventive maintenance, and breakdown troubleshooting for Notching, Stacking, Ultrasonic Welding, and Sealing assembly equipment to minimize unplanned downtime.
- Complete regular equipment lubrication, part replacement, fixture cleaning, and calibration.
- Record maintenance logs, equipment failure data, and spare parts consumption records completely.
- Adjust basic machine process parameters, positioning coordinates, tension, and compaction pressure on site to mitigate common defects such as stacking misalignment, tab welding voids, sealing leakage, and notching burrs.
- Assist equipment engineers in prototype debugging, on-site Factory Acceptance Testing and Site Acceptance Testing, EVT/DVT/PVT pilot tests, NPI product trials, and mass production parameter verification.
- Cooperate with production, process, and quality teams to handle on-site equipment abnormalities, follow up on improvement actions, and support CAPA implementation for recurring machine issues.
- Support minor equipment retrofits, fixture replacement, and multi-spec pouch cell product changeover; report equipment structural and functional defects to vendors and the engineering team.
- Monitor real-time equipment running status, collect abnormal data, summarize recurring failure modes, and propose simple optimization suggestions to improve line OEE and production yield.
- Follow equipment SOP, safety operation rules, and IATF 16949 on-site management requirements to standardize daily equipment operation and maintenance work.
- Basic Chinese communication capability.
- Hands-on experience maintaining a full set of assembly line equipment covering Notching, Stacking, Welding, and Sealing processes.
- Work experience at battery manufacturers with mass-production stacking and sealing line maintenance.
- Practical experience supporting silicon anode or high-expansion electrode pouch cell assembly equipment debugging and maintenance.
- Experience supporting pilot line trial production and equipment transfer from the lab to a mass-production workshop.
- Basic knowledge of IATF 16949 workshop site management, PFMEA, and equipment abnormality closed-loop management.
About the company
Factorial Energy develops FEST solid-state battery systems for the automotive market. Its solid electrolyte platform replaces liquid electrolytes to improve safety, energy density, and efficiency, and is designed for integration by OEMs and battery manufacturers for EVs. The company differentiates itself through end-to-end supply-chain collaboration and its own large-scale production capability, including a new 67,000 sq ft factory, with testing in high-spec EVs before broader rollout. Its goal is to deliver safe, high-energy-density batteries at scale to accelerate electric vehicle adoption.
Company Size
51-200
Company Stage
IPO
Headquarters
Woburn, Massachusetts
Founded
2013
Get referred to Factorial Energy
See people who can refer or advise you
Simplify's Take
What believers are saying
- Mitsui Kinzoku signed a September 17, 2026 JDA to industrialize Solstice.
- Factorial’s June 11, 2026 Dodge Charger road tests proved automotive-grade integration.
- The July 2026 aerospace order and drone tests broaden revenue beyond passenger EVs.
What critics are saying
- SK On’s July 29, 2026 MOU is non-binding, delaying scale commitments.
- Toyota and Chinese battery firms are racing solid-state commercialization, compressing Factorial’s 2027 window.
- If OEM pilots stall, Factorial loses leverage and faces existential funding pressure post-IPO.
What makes Factorial Energy unique
- Factorial runs fabless, partnering with SK On and Mitsui Kinzoku instead of building gigafactories.
- Solstice uses sulfide solid electrolyte and dry-cathode processing for higher density manufacturing.
- Mercedes, Stellantis, Hyundai, and Kia validate Factorial across automotive, aerospace, and defense programs.
Help us improve and share your feedback! Did you find this helpful?
Benefits
Health Insurance
Dental Insurance
Vision Insurance
Unlimited Paid Time Off
401(k) Company Match
401(k) Retirement Plan
Education Assistance Plan
Short-term Disability Insurance
Long-term Disability Insurance
Growth & Insights and Company News
6 month growth
0%1 year growth
-1%2 year growth
-5%Peugeot RCZ Vision concept transforms coupe into 1000-volt grand tourer with 600km of range. 3 hours ago Solid-state battery technology, 10-minute charging times and holographic displays are among some of the reasons the RCZ Vision is turning heads in Paris Peugeot has unveiled a modern-day successor to the RCZ at the Paris Motor Show, which transforms the front-driven coupe into a 1000-volt monster with grand touring built in mind. For now, it remains a concept but Peugeot has said it may go into production in the coming years, with the brand already developing key hardware for the concept, such as the 110mm solid-state battery collaboration with the US-based Factorial Energy. That battery is said to offer up to 600km of range and a 10-80 percent charging time of just 10 minutes, making the reborn RCZ Vision a long-legged EV that's quick to get back on the road. On the road, it's said to achieve an efficiency of 11.5 kWh/100km according to the WLTP standard. Both brake-by-wire and steer-by-wire (meaning there is no physical connection between the driver and the turning wheels or brakes), feature on the concept, controlled by the 'Hypersquare' steering wheel, which is joined by a series of transparent Micro LED displays to beam information into the cabin. A power output of 372 kW is cited but it's not clear how many motors or driven wheels are at play, with Peugeot putting far greater emphasis on the Level 2++ hands-free autonomous driving system. The design is clearly striking, with the brand's three-line lion's crawl styling found across the front and rear facia, joined by a double-bubble roof which is said to house up to four occupants.
Mitsui Kinzoku partners with Factorial to scale all-solid-state battery manufacturing. September 18, 2026 September 17, 2026 Factorial Energy Inc., a global leader in solid-state battery technology, announced a strategic partnership with Mitsui Kinzoku Company, Limited to support the industrialization of its Solstice(TM) all-solid-state battery platform. Mitsui Kinzoku is a leading producer of sulfide-based solid electrolytes for all-solid-state batteries, one of few companies worldwide with foundational technology in this space, and already the global leader in ultra-thin copper foil, with an estimated 90% share of the semiconductor market for that foil. That materials science expertise underpins its A-SOLiD(TM) sulfide solid electrolyte, unveiled in 2016 and advancing toward mass production at a dedicated plant in Saitama, Japan. "I am very pleased that we have been able to enter into this joint development agreement with Factorial," said Dr. Kiyotaka Yasuda, Senior Executive Officer, General Manager, Business Creation Division of Mitsui Kinzoku Company, Limited. "Batteries are a key technology for realizing an electrified society, but significant technical challenges still remain. That is precisely why we believe it is necessary to go beyond the extension of existing technologies and take on the challenge of creating new value. By leveraging Mitsui Kinzoku's long-established expertise in materials and manufacturing technologies and combining it with Factorial's advanced technological capabilities, we aim to accelerate the realization of next-generation batteries." Factorial remains the fabless innovator across the platform, leading cell design, process development, supply chain qualification, line integration, and manufacturing validation. "Battery innovation can't be done by one single company," said Siyu Huang, CEO of Factorial. "It's driven by the entire supply chain and, increasingly, by an entire industry coalition. Mitsui Kinzoku's foundational electrolyte technology brings critical materials expertise to our work to move Solstice(TM) toward commercial deployment. We're not just building a battery. We're building the connective thread that helps the whole industry move forward together." As robotics, aerospace systems, and AI-enabled infrastructure ask more of the physical world, energy is fast becoming the defining constraint on what's possible. Factorial calls this the emergence of the energy layer - the battery infrastructure needed to power the next era of mobility, aerospace and physical intelligence. Built for that layer, Solstice(TM), Factorial's sulfide-based all-solid-state battery platform, delivers high energy density and improved thermal stability, with proprietary dry-cathode processing enabling more cost-effective manufacturing. This collaboration builds on Factorial's recent momentum, including strategic investments from IQT and POSCO Future M; its first commercial orders for passenger vehicles in January and for aerospace in July; expanded automotive and industrialization partnership programs; and its June 2026 Nasdaq listing under the ticker symbol FAC.
Factorial Energy has partnered with Mitsui Kinzoku to accelerate the industrialisation of its Solstice all-solid-state battery platform. The companies signed a Joint Development Agreement to scale up production. Mitsui Kinzoku is a leading producer of sulfide-based solid electrolytes and holds an estimated 90% share of the semiconductor market for ultra-thin copper foil. The company operates a dedicated plant in Saitama, Japan, advancing its A-SOLiD sulfide solid electrolyte towards mass production. Factorial will lead cell design, process development, supply chain qualification, line integration and manufacturing validation. The partnership combines Mitsui Kinzoku's materials and manufacturing expertise with Factorial's battery technology capabilities. "We're building the connective thread that helps the whole industry move forward together," said Siyu Huang, Factorial's chief executive officer.
Factorial and Tulip Tech partner on solid-state batteries for drones. Factorial Energy and Dutch battery specialist Tulip Tech have entered a strategic partnership to commercialise solid-state and lithium-metal batteries for drones. The goal is to accelerate the commercial deployment of solid-state and lithium-metal batteries in unmanned aerial vehicles (UAVs). By Carla Westerheide 05.08.2026 - 13:30 The agreement follows successful flight tests in which the partners say the battery technology increased flight range by more than 30 per cent compared to conventional lithium-ion cells. The partners now want to set up a commercialisation framework covering joint customer engagement and a roadmap towards volume production. The collaboration marks Factorial's expansion into aerospace applications after focusing primarily on the automotive sector. "Last year our automotive cell platform powered a historic 1,200+ kilometre drive on a single charge. This year it's the sky," said Siyu Huang, CEO of Factorial. Tulip Tech, based in Den Bosch in the Noord-Brabant province in the Netherlands, develops high-density battery systems for drones and supplies more than 250 customers across the defence, security and commercial sectors. The company says it manufactures more than 100,000 battery packs per month and specialises in customised battery systems designed for specific mission requirements. According to the official statement, the partners see growing demand for longer-range UAVs in commercial, industrial and defence applications, where higher energy density can extend flight times, increase payload capacity and improve mission flexibility. They cite energy storage as one of the main constraints on further advances in unmanned aviation. Factorial says its solid-state and lithium-metal battery platforms offer higher energy density while reducing weight, making them suitable for applications ranging from road vehicles to aircraft and space systems. The US battery specialist is backed by several automotive groups including Mercedes-Benz, Stellantis, and Hyundai-Kia. All three automotive groups plan to use Factorial's high-performance, lightweight solid-state batteries in future electric vehicles, which are expected to enable a range of over 1,200 kilometres.metres. 0 comments. about "Factorial and Tulip Tech partner on solid-state batteries for drones"
Factorial Energy and SK On Partner to explore large-scale solid-state battery production. Factorial Energy, a leading U.S. battery innovator, has signed a Memorandum of Understanding with South Korea's SK On to investigate mass production of advanced solid-state batteries. The collaboration could accelerate the adoption of next-generation battery technology across the electric vehicle industry. Factorial and SK On join forces. Factorial Energy and SK On have entered into a Memorandum of Understanding (MoU) to explore the technical and manufacturing feasibility of Factorial's FEST solid-state batteries. SK On, known for its extensive lithium-ion battery manufacturing footprint, could provide the scale needed to bring Factorial's technology to market. The partnership will focus on integrating Factorial's solid-state battery technology into existing manufacturing infrastructure, rather than building new, dedicated facilities. This approach aims to streamline the path to commercialization and leverage SK On's global production expertise. Solid-State batteries: The next step for evs. Solid-state batteries are widely regarded as a major advancement for electric vehicles, promising higher energy density and improved safety compared to conventional lithium-ion cells. Factorial's FEST solid-state batteries are already being tested by major automakers, including Mercedes-Benz, Stellantis, and Karma. In addition to automotive applications, Factorial is developing these batteries for use in mobility, high-performance markets, and energy storage systems. Competitor comparison. While Factorial and SK On are advancing solid-state technology, several Chinese automakers and Japanese firms, such as Toyota, are also nearing large-scale production of solid-state cells. This global race highlights the increasing competition to commercialize solid-state batteries and reshape the EV industry. Historical context. Factorial Energy's revenue reached $263M (~AUD 377.1M) in 2025, up from $100M (~AUD 143.4M) in 2024. This rapid growth underscores the rising demand and investment in next-generation battery technologies. Why this matters. The collaboration between Factorial and SK On could help overcome one of the main barriers to solid-state battery adoption: scalable manufacturing. By leveraging SK On's existing facilities, the partnership aims to accelerate the commercialization of advanced batteries that could benefit a wide range of electric vehicles and energy storage solutions. What this means for buyers. For consumers, the progress in solid-state battery technology could eventually translate into electric vehicles with longer range, faster charging, and enhanced safety. Buyers should watch for announcements from automakers like Mercedes-Benz, Stellantis, and Toyota, as these companies are actively testing or developing vehicles with solid-state batteries. Key specs. * Partnership Type: Memorandum of Understanding (MoU) * Battery Technology: FEST solid-state batteries * Testing Partners: Mercedes-Benz, Stellantis, Karma * 2025 Factorial Revenue: $263M (~AUD 377.1M) * 2024 Factorial Revenue: $100M (~AUD 143.4M) * Manufacturing Partner: SK On Sharing is caring. Sam Evans. Independent EV news commentator and founder of The Electric Viking. Covering the electric vehicle revolution for a global audience of 350K+ on YouTube. Viking merchandise. T-shirts, mugs, hoodies, bags Discover more Energy & Utilities Company News Never miss an update!!! Want expert advice on electric vehicles, battery tech, solar energy, or the future of emerging technologies? You can now book a 1-on-1 consultation with Sam Evans - The Electric Viking. Discover more electric vehicles Automotive Industry