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7.2. Mechanical Engineer II- Design Burlington, MAPhoenix Tailings – 7. Downstream Engineering /Full Time /On-Site APPLY FOR THIS JOB About Phoenix Tailings  Phoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. Why Phoenix Tailings  At Phoenix Tailings, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation, and are excited about working with some of the top innovators in the world, then this is the place for you. Our Values: ● You are only crazy if you are wrong, it’s ok to be wrong ● Lead with Compassion ● Be Resourceful ● Listen ● Hustle Who We Are Looking For:  Phoenix Tailings is looking for a Mechanical Engineer II to support the design, build, and scale-up of industrial systems used in clean metals manufacturing. This role is ideal for an engineer who enjoys hands-on mechanical design, working close to hardware, and solving real-world problems in high-temperature, industrial environments. You will work directly with senior engineers, operators, and cross-functional teams to turn concepts into functioning equipment that operates at scale. Key Responsibilities: Develop, design, and implement mechanical systems to improve facility processes at our Exeter site and Burlington R&D operations. Lead design-for-manufacture efforts for new equipment and facility upgrades, ensuring buildability and operational safety. Conduct testing and validation of mechanical systems, analyzing performance data to recommend design improvements. Create detailed engineering drawings, bills of materials, and specifications for fabrication and assembly. Perform mechanical and thermal calculations to ensure designs meet process and safety requirements. Oversee installation, commissioning, and troubleshooting of new or modified equipment and systems. Drive continuous facility improvement projects to increase system reliability and process efficiency. Collaborate with process engineers and metallurgists to integrate mechanical solutions into critical metals production workflows. Maintain thorough documentation of designs, tests, and changes for knowledge transfer and operational excellence. Qualifications: Bachelor’s or Master's degree in Mechanical Engineering or a related field  2–6 years of experience in mechanical design for industrial, manufacturing, or process equipment  Strong proficiency with 3D CAD tools (e.g., SolidWorks, Inventor, Creo, or similar)  Experience designing or supporting large industrial systems or equipment  Exposure to high-temperature systems, thermal processes, or industrial materials preferred  Hands-on mindset with experience supporting equipment build, installation, or commissioning  Ability to work effectively in a fast-paced, startup manufacturing environment  Strong problem-solving skills and attention to detail  We offer a competitive compensation package that is based on expertise. We also offer the following benefits: This pay range reflects best estimate for the total cash compensation which includes salary + discretionary bonus for this role. Total package  may vary based on experience and qualifications. Pay Range: $90,000- $130,000 total cash compensation plus equity Healthcare: 100% Medical, dental, and vision coverage for employee Stock Options: Ownership in a fast-growing venture-backed company.  Time Off: Unlimited PTO.  Learning: Learning and development opportunities to grow your skills and career.  At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining. Phoenix Ta ... (truncated, view full listing at source)