Sr. Mechanical Engineer
Alsym Energy·Thrive Capital (Getro)
Malden, MAPosted Jun 26, 2026
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Sr. Mechanical Engineer
Alsym Energy
Malden, MA
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Sr. Mechanical Engineer
Alsym Energy
Malden, MA
2 days ago
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Alsym Energy provided pay range
This range is provided by Alsym Energy. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
$125,000.00/yr - $190,000.00/yr
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Jessica Colbert
Jessica Colbert
HR and Recruitment Associate
Job Title: Sr. Mechanical EngineerJob Summary: Alsym Energy is looking for a self-driven and motivated mechanical engineer with a passion in the field of energy storage. In this position, the candidate will have an opportunity to drive rapid and innovative advancements in materials and processes for next-generation energy storage systems. The successful candidate will be responsible for active product development efforts and will work closely with a team of engineers and scientists to deliver Sodium-ion systems with demanding performance requirements.Industry Background: Energy storage systems is a rapidly emerging field. Over the last few years, supply-chain constraints and significant safety incidents arising from lithium-ion batteries globally have resulted in a dramatic increase in costs and reduced confidence in the reliability of the technology. Alsym is working on an exciting proprietary battery technology that is expected to compete with state-of-the-art lithium-ion batteries while offering the technology at a fraction of the cost and with inherent non-flammability.Key Qualifications:· BS in Mechanical Engineering, or a related field· 6+ years industry experience with demonstrated success in mech. design, product development, prototyping· Direct experience with lithium or sodium-ion battery design and manufacturing is required· Strong competence and handling of GD&T (ASME Y14.5)· Strong competency with engineering software tools is required (CAD, layout tools etc.)· Experience with finite -element analysis (ANSYS, COMSOL etc.) is highly preferred· Experience with a wide variety of cell form factors (pouch, cylindrical, prismatic) is highly preferred· Experience with battery production equipment (sealer, winders, coaters etc.) is preferred· Strong team player, excellent communicator, self-motivated individual with a problem-solving mindset· Professional demeanor towards suppliers and partners as well as colleagues· Detail-oriented individual with a quality mindset for product design and deliveryRoles & Responsibilities:· Own the prototyping and design for Alsym’s large format cells· Produce detailed designs and drawings for Alsym’s large format prismatic cells· Support Alsym’s external cell prototyping events (5-10% travel)· Assist process engineers in the commissioning of battery equipmentWhy Join Us?At Alsym, we believe in equitable compensation and a healthy work-life balance. Beyond a competitive salary, we offer a benefits package designed to support you both inside and outside the office.Perks & Lifestyle· Prime Location: We are within easy walking distance of the train station.· Commuter Friendly:...