Fabri · 1 day ago
Principal Mechanical Systems Engineer
Boston, MA
Full-time
Onsite
Senior Level, Lead/Staff
5+ years expFabri is an early-stage investment casting startup building a fully integrated digital foundry. They are seeking a Principal Mechanical Systems Engineer to architect, design, and deliver in-house equipment that defines their manufacturing capabilities, working closely with the executive team to shape the technical roadmap and own mechanical systems across their processes.
MiningSoftwareManufacturingPrecious Metals
No H1B
U.S. Citizen Only
Responsibilities
Lead the architecture and design of custom, first-of-kind manufacturing equipment across all process steps
Make and execute build vs. buy decisions based on physics, economics, scalability, and long-term roadmap impact
Work closely with process engineers to translate process needs into mechanical systems and use mechanical design to unlock new process regimes
Apply a systems-engineering mindset to track linked requirements, interfaces, and downstream consequences of design decisions
Drive rapid iteration: prototype, test, fail, learn, and deploy on short timelines
Define equipment architectures that support automation, reliability, maintainability, and future facility scale-out
Communicate complex, multidisciplinary technical decisions clearly to engineers and executive leadership
Help establish best practices for in-house equipment development, CAD practices, documentation, and commissioning
Over time, help recruit, mentor, and lead a growing mechanical engineering and equipment team
Qualification
Required
Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a closely related field
Strong CAD, GD&T and DFM skills
5+ Years of designing and building complex equipment or vehicle systems
Deep first-principles understanding across multiple physics domains, including: Thermodynamics, heat transfer, and fluid mechanics; Mechanics, dynamics, and machine design; Control systems and basic programming; Materials science (metals, polymers, ceramics), fracture mechanics, surface engineering, and wetting
Strong physics intuition and the habit of questioning assumptions and requirements
Systems-level thinking with the ability to reason across tightly coupled disciplines
Comfort working in fast-moving startup environments with high ownership and ambiguity
Strong written and verbal communication skills
Candidates for this role must be US nationals (i.e., US citizens or lawful permanent residents) to be considered
Preferred
Experience designing systems that have to operate at ultra high temperatures, high pressures, high vacuum levels, and/or handle corrosive, molten, or cryogenic fluids
Background in manufacturing equipment, or alternatively aerospace systems such as propulsion, turbomachinery, vacuum systems, or flight structures
Experience scaling hardware systems for throughput, reliability, and cost
Demonstrated ability to move from concept to working hardware quickly
Experience using meshing and simulation tools to validate equipment designs
Benefits
Competitive salary
Meaningful equity
Significant growth potential
Company
Fabri
Fabri is a software based investment casting startup that offers precision metal castings.
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$5.2MKey Investors
Lavrock Ventures
2024-12-05Seed· $5.2M
Company data provided by crunchbase