4.2. Mechanical Engineer II

Phoenix Tailings; Exeter; On-site; GBP 60,000 - 80,000; Full time

Job summary

A clean mining startup in Exeter is seeking a Mechanical Engineer II to enhance facility infrastructure and production capabilities. The ideal candidate has a B.S. in Mechanical Engineering, 3-5 years of relevant experience, and strong proficiency in CAD software, particularly SolidWorks. Responsibilities include developing mechanical systems, leading equipment design, and conducting performance testing. This role offers a competitive compensation package and flexible working culture focused on innovation and sustainability.

Benefits

100% Medical, dental, and vision coverage

Ownership in a fast-growing venture-backed company

Flexible vacation policy

Learning and development opportunities

Regular team events and celebrations

Qualifications

• 3-5 years of Mechanical Engineering experience in manufacturing, industrial, or production environments.
• Proven expertise in designing, building, and testing mechanical systems.
• Hands-on experience with facility upgrades and machinery commissioning.

Responsibilities

• Develop and implement mechanical systems to improve facility processes.
• Lead design-for-manufacture efforts for new equipment.
• Conduct testing and validation of mechanical systems.

Skills

Mechanical Engineering

CAD software proficiency

Problem-solving skills

Analytical skills

Education

B.S. in Mechanical Engineering or related field

Tools

SolidWorks

Job description

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 driven Mechanical Engineer II with hands-on engineering experience to design, build, and test systems that will improve our facility infrastructure and enable next-generation critical metals production. This role will directly enhance our operational capabilities by implementing mechanical solutions that advance our mission of creating a fully clean mining and metals industry.

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

• B.S. in Mechanical Engineering or related field.
• Be able to work in both our Burlington, MA and Exeter locations.
• 3-5 years of Mechanical Engineering experience in manufacturing, industrial, or production environments.
• Proven expertise in designing, building, and testing mechanical systems, assemblies, or equipment.
• Strong proficiency with CAD software (SolidWorks preferred) for part, assembly, and fabrication drawings.
• Experience with mechanical calculations including thermal, fluid, and structural analyses.
• Hands-on experience with facility upgrades, system installations, or machinery commissioning.
• Demonstrated ability to analyze test data and translate findings into actionable design improvements.
• Excellent problem-solving skills and the ability to drive projects from concept to operational readiness.

We offer a competitive compensation package that is based on expertise. We also offer the following benefits

• Healthcare, we care about you and your family:100% Medical, dental, and vision coverage
• Stock:Ownership in a fast-growing venture-backed company.
• Family Focus:Parental leave and flexibility for families.
• Time Off:Flexible vacation policy to encourage people to get out and see the world.
• Team Fun:Regularly scheduled events, and celebrations.
• Learning:Learning and development Opportunities to grow your skills and career.
• Great team:Working with fun, hard-working, kind people committed to making a difference!
• Flexible culture:We are results-focused. We don’t work at the office every day.

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 Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline).