Principal Mechanical Engineering Lead (Particle Labs USA)

STEM Boomerang; Albuquerque (NM); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Equity in company

Paid holidays

Job summary

STEM Boomerang in Albuquerque seeks a Principal Mechanical Engineering Lead to guide the design, build, and integration of an electron accelerator system. You will manage a small engineering team and coordinate RF, vacuum, cooling subsystems to meet program milestones.

You bring 12+ years in particle accelerators or related vacuum devices, with strong CAD, fabrication knowledge, and a track record of large-system integration. Competitive benefits and equity offered for a mission-driven lab.

Qualifications

• Bachelor’s and 12 years’ experience in particle accelerators or related devices.
• Proven track record with large systems integration.
• Ability to lead a small to mid-size technical team.
• Experience writing specs and reviewing drawings with vendors.
• Deep knowledge of accelerating structures, brazing, machining, vacuum and cooling systems.

Responsibilities

• Lead mechanical design, build, and integration of accelerator system.
• Manage day-to-day mechanical engineering activities and scheduling.
• Oversee integration of RF, beam, vacuum, cooling subsystems.
• Coordinate cross-discipline teamwork.
• Identify risks and mitigation plans with Chief Scientist alignment.

Skills

Accelerator systems

Team leadership

Technical specs

CAD tools

Vacuum systems

Cooling systems

Fabrication knowledge

Education

Bachelor's degree in engineering

Master's degree in engineering

Job description

Principal Mechanical Engineering Lead (Particle Labs USA)

Albuquerque, United States

We are an advanced technology company at the forefront of next-generation particle and accelerator science, building transformative solutions with real-world impact. Our founding team brings deep expertise in physics, engineering, and commercialization, with a proven track record of translating complex scientific innovation into scalable technologies. Backed by leading venture capital firms, we have successfully raised significant funding to accelerate our mission and growth.

As part of our strategic expansion, we are establishing operations in New Mexico—one of the most concentrated ecosystems for advanced physics and accelerator science in the country. With proximity to world-renowned national laboratories, research universities, and a highly specialized technical workforce, New Mexico offers unparalleled access to talent and infrastructure in high-energy physics and related fields.

This expansion represents a major investment in building a hub for cutting-edge research, development, and commercialization. We are actively assembling a world-class team to lead this effort—bringing together experts in accelerator physics, engineering, and operations to shape the future of the industry.

Why Join Us:

• Build from the ground up: directly shape our Albuquerque lab and R&D test environment
  
• Make an impact: Your systems will enable critical research in various accelerator applications
  
• Grow with us: Work alongside leading researchers, operators, and investors in a mission-driven environment
  
• Competitive pay, full benefits, and equity in a company shaping the future of energy
  

The Principal Mechanical Engineering Lead will have overall responsibility for executing the mechanical design, build, and integration of a complete electron accelerator system. This person will manage the mechanical engineers and technicians and oversee the mechanical design and integration of the accelerator’s major subsystems. The role requires experience and a proven track record in accelerators and/or coupled cavity vacuum electronic devices.

What You’ll Do:

Lead the mechanical design, development, build, and integration

Manage day-to-day mechanical engineering activities, includingschedule, planning, prioritization, resource allocation.

Oversee the development, documentation, and integration of key subsystems, includingRF systems, electron beam-related systems, high-power, vacuum, cooling, and other supportingtechnologies.

Ensure effective coordination and teamwork between engineering disciplines.

Identify technical risks, develop mitigation plans, and drive problem-solvingacross the program.

Work closely with theChiefScientistto ensure that program execution remains aligned with the company’s scientific objectives.

Requirements

Bachelor’s and 12 years’ experience or Master’s and 10 years’ experience in particle accelerator or coupled cavity vacuum electronic devices.

Proven track record of working with large systems.

Ability to run a small to medium sized technical team.

Ability to write specifications, create and review technical drawings, and communicate with subcontractors, vendors, and suppliers.

Deep knowledge of accelerating structures, brazing, precision machining, design CAD tools, modeling CAD tools, vacuum systems, cooling systems, and related technical disciplines.

Strongunderstandingof build, integration, and the practical challenges involved in developinga full accelerator platform.

Full range of competitive benefits including medical, dental, vision, retirement plans, holiday and paid vacations, and parental leave.