🕒 9 days ago
Design and integrate precision opto-mechanical systems for photonic applications, leading analysis and validation of wavefront sensors, adaptive optics, and assemblies for ground and space platforms.
Senior Opto-mechanical Engineer
🕒 2 days ago
Opto-mechanical DesignPrecision Mechanical DesignOptical MountsWaveguide Assemblies
📜 Description
- Lead design close-out for SPARC long-wavelength diagnostic subsystems through design review, release, procurement, and build.
- Design mounts, enclosures, and packaging for optical and waveguide assemblies along diagnostic beamlines.
- Develop active and passive alignment systems and maintain alignment through thermal and mechanical disturbances.
- Create tolerance and alignment budgets and perform or direct structural, thermal, and vibration analyses.
- Coordinate with scientists, engineers, CAD designers, technicians, vendors, and integration teams to deliver manufacturable designs.
- Support assembly, installation, alignment, calibration, and commissioning; mentor engineers and contribute to opto-mechanical standards.
🛠️ Requirements
- At least a bachelor’s degree in mechanical engineering, optical engineering, engineering physics, or a related field
- 8+ years of experience in opto-mechanical or precision mechanical design (or 6+ years with an advanced degree)
- Led the opto-mechanical design of precision optical instruments or systems from concept through build, test, and deployment (e.g., scientific instrumentation, aerospace, defense, semiconductor, or laser systems)
- Designed optical mounts and packaging, including kinematic and semi-kinematic mounts, flexures, optic bonding, and athermal design
- Designed and implemented alignment mechanisms and alignment procedures for multi-element optical systems
- Performed tolerance analysis and error budgets, and used structural/thermal FEA to predict optical performance
- Proficiency with 3D CAD and producing drawings to GD&T (ASME Y14.5)
- Hands-on lab experience assembling and aligning optical systems
- Strong communication skills to gather inputs and share information across several partner teams.
- First-principles approach and the ability to understand tradeoffs that bridge engineering and physics
Full job description
About Commonwealth Fusion Systems:
Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.
Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.
We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.
Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.
If that’s you and this role fits, we want to hear from you.
Join the power movement as a Senior Opto-mechanical Engineer
Commonwealth Fusion Systems is currently assembling the SPARC tokamak, which aims to be the first magnetic fusion device to produce more fusion power than it consumes (Q>1). Achieving this mission depends on the diagnostic systems that deliver the scientific and controls data needed for successful
operation and provide valuable learning for ARC design. The Photonics Engineering department is seeking a Senior Opto-mechanical Engineer who will be embedded with the Long Wavelength Diagnostics team, helping to deliver diagnostic capabilities such as Laser Interferometry, Thomson Scattering, UV/VIS/IR Imaging and Spectroscopy, Electron Cyclotron Emission Radiometry, and Edge Scanning Reflectometry.
As SPARC moves from design into assembly and commissioning, this engineer will work with a cross- disciplinary team of diagnosticians, scientists, engineers, CAD designers, and technicians to close out the remaining designs and bring these systems from the tokamak, through the Tokamak Hall, and into the Diagnostic Labs. They will work to package optical and waveguide assemblies and the design of active and passive alignment systems that keep long beam paths aligned through thermal cycles, machine motion, and harsh environments expected during the operation of SPARC (high magnetic fields, vacuum, and radiation). As a senior member of the team, they will lead opto-mechanical work on medium to long-term problems, mentor other engineers, and help build CFS’s core competency in opto-mechanics for future CFS project work.
What you'll do:
Lead the opto-mechanical design and close-out of remaining SPARC long wavelength diagnostic sub- systems (Laser Interferometry, Thomson Scattering, UV/VIS/IR Imaging and Spectroscopy, ECE, and Edge Scanning Reflectometry), carrying designs through final design review, release, procurement, and build
Design mounts, enclosures, and packaging for optical and waveguide assemblies (mirrors, lenses, windows, fiber bundles, metallic and corrugated waveguide, and quasi-optical components) along beamlines from the tokamak, through the Tokamak Hall, to the Diagnostic Labs
Design and implement active and passive alignment systems (kinematic and flexure mounts, motorized stages, alignment references, and position or beam-pointing sensing) to establish and maintain alignment over long paths and through thermal and mechanical disturbances
Develop tolerance and alignment error budgets, perform or direct structural, thermal, and vibration (FEA / STOP) analyses, feeding results back into the optical and microwave designs
Work side-by-side with diagnosticians, scientists, and optical/microwave engineers to turn measurement requirements into detailed, cost-effective, manufacturable designs, and manage interfaces with the tokamak, building, and mechanical integration teams
Work with CAD designers to produce models and drawings (GD&T), prepare specifications and design review packages; work with vendors and machine shops on build, inspection, and cost/lead-time tradeoffs
Plan and provide hands-on support for assembly, installation, alignment, calibration, and commissioning in the Tokamak Hall and Diagnostic Labs; resolve technical issues found during manufacturing and installation
Provide technical leadership and mentorship; review the work of other engineers, designers, and contractors, and contribute to Photonics Engineering opto-mechanical standards, workflows, and best practices
Contribute to a strong safety culture, including laser, microwave, vacuum, and high magnetic field safety practices, while helping commission and operate SPARC diagnostics
What we’re looking for:
Bonus points for:
Must-have Requirements:
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