Optical Engineer Level 4
- Salary
- $150,000 - $200,000
- Level
- Senior
- Work type
- Not stated
- Visa
- Not stated
Open. First seen 7 October 2026.
The team: Engineering HIRES STEADILY
This role is one of 57 open in Engineering. 35 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Embedded Systems (17 of 57), Python (15 of 57), ANSYS (9 of 57), C++ (7 of 57), SolidWorks (7 of 57), Agile (6 of 57), Git (6 of 57)
OTHER ROLES ON THIS TEAM
- Senior Laser Scientist - New Product Introduction posted Oct 16
- Robotics Process Engineer 3 posted Oct 13
- Robotics Process Engineer 1 posted Oct 13
- Robotics Process Engineer 2 posted Oct 13
- Principal Photonic Systems Architect posted Oct 13
- Principal Optical Process Engineer posted Oct 9
- Photonic Systems Engineering Program Manager posted Oct 8
- Photonic Systems Program Lead posted Oct 8
- Electrical Engineering Manager posted Oct 6
- Senior Reliability Project Engineer posted Oct 6
- Principal Project Engineer, Photonic System Development posted Sep 30
- NPI Manufacturing Engineer 4 posted Sep 30
- Optical Engineer Level 2 posted Sep 29
- Senior Robotics Software Engineer posted Sep 28
- Software Engineer 3 posted Sep 28
- Senior Principal Multi‑Disciplinary Engineer (Electro‑Optics‑Lasers) posted Sep 24
- Senior Integration and Test Engineer posted Sep 23
- Mechanical Engineer 4 posted Sep 23
- Firmware Engineer 2 posted Sep 22
- Firmware Engineer 4 posted Sep 22
- Manager Software Engineering posted Sep 22
- Principal Software Engineer posted Sep 22
- Senior Principal Robotics Software Engineer posted Sep 22
- Senior Principal Software Engineer posted Sep 22
- Mechanical Engineer 2 posted Sep 21
- Manager of Mechanical Engineering posted Sep 19
- Senior Photonics Process Development Engineer Packaging and Tooling posted Sep 18
- Principal Build Project Engineer posted Sep 18
- Electrical Engineer 3 posted Sep 18
- Electrical Engineer 4 posted Sep 18
- Mechanical Engineer 3 posted Sep 18
- Principal Product Engineering Program Manager posted Sep 18
- Opto-Mechanical Engineer 2 posted Sep 18
- Senior Build Project Engineer posted Sep 18
- Photonics Process Development Engineer 2 Packaging and Tooling posted Sep 18
- Senior Mechanical Engineer - Optical Alignment Machines posted Sep 17
- Senior Principal Opto-Electronics Test Engineer posted Sep 17
- Senior Principal Quantum Photonics Systems Engineer posted Sep 17
- Project Engineer 4 - Quantum Photonics Modules posted Sep 9
- Photonic Systems Project Engineer 3 posted Sep 2
- Multi‑Disciplinary Engineer 3 (Electro‑Optics‑Lasers) posted Aug 28
- Multi‑Disciplinary Engineer 4 (Electro‑Optics‑Lasers) posted Aug 28
- Manager of Robotic Process Development Engineering posted Aug 28
- Senior Electrical Project Engineer posted Aug 20
- Senior Principal Supplier Quality Engineer posted Aug 6
- Photonics Engineer 2 Components posted Aug 3
- Photonics Engineer 3 Components posted Jul 28
- Senior Project Engineer Product Integration posted Jul 23
- Photonics Module Test Engineer 3 posted Jul 12
- Technical Program Manager 4 posted Jul 9
- Senior Electro-Mechanical Engineer posted Jul 8
- Senior Principal Project Engineer, Photonic System Development posted Jun 26
- Optical Engineer Level 3 posted Jun 26
- Project Engineer Photonic Modules posted Jun 23
- Senior Photonics Process Development Engineer posted Jun 15
- Senior Quantum Photonics Systems Engineer posted Jun 15
From the team and dates on Monarch Quantum's own job board.
About the role
Join our fast-paced and passionate team as a Principal Optical Engineer. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You'll have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows:
- Work independently and in a team while overcommunicating with the manager, project engineer, and teammates.
- Execute complex engineering tasks involving planning, preparation, data/information collection, and analysis and decision-making in a process involving peer reviews and documentation of the results.
- Use tenacity, patience, self-discipline, and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication, and documentation
- Use every opportunity to grow competency through mentorship, curiosity, communication, exposure, and initiative
- Drive innovation in modeling, design, analysis, and alignment methods to support product roadmap
- Support project engineering with project scope, schedule, and risk analysis
Requirements
- This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. § 1324b(a)(3).
Experience:
- A bachelor’s degree in Optical Engineering, Physics, or a related field
- Minimum of 9 years of relevant experience, ideally within a startup or technology company.
Skills:
- Deep understanding of laser beam propagation: how optic movement and rotation impact a beam’s near-field, far-field, beam quality, and fiber coupling efficiency
- Fluency applying ray-equivalent methods of laser propagation to guide architecture and debug layout questions
- Fluency determining the best way to answer a design problem, including combinations of design software, macros, external code, and manual calculations
- Ability to use paraxial raytracing and ABCD matrices to derive analytical expressions for trends, sensitivities, and scaling factors in various optical layouts
- Fluency in applying first-order imaging and the overlap integral of Gaussian beams to interrogate the design space of a laser module
- Understanding of how component properties impact alignment sensitivity (e.g. collimation lens focal length)
- Ability to take a novel optical design question, distill it to an algebraic method, and validate the analysis using a second calculation method (e.g. optical design software).
- Ability to turn exotic optical requirements into concrete analysis tasks (e.g. acousto-optic modulator RF tuning range, impact of thermal lensing)
- Fluency in applying first-order imaging and the overlap integral of Gaussian beams to derive component fabrication and alignment requirements
- Ability to derive quantitative requirements for optic prescriptions (surface roughness, scratch/dig, surface power, surface irregularity, aspheric sag error, material properties)
- Understanding of different tolerancing methods for conventionally polished, sub-aperture polished, and precision glass molded components
- Ability to engage vendors to understand capabilities and drive clarity to get quotes for components, accounting for supplier yield, risk, and schedule
- Understanding of optical metrology methods and how to specify a drawing congruent with a vendor’s measurement facilities
- Fluency creating efficient layout optimization workflows in non-sequential design software for nontrivial architectures
- Understanding of polarization ray tracing and how to analyze polarization through optic trains with dozens of surfaces
- Understanding of polarization components within both Jones and Mueller models
- Deep understanding of fiber optics for high power CW laser systems: multi-mode, single mode, polarization maintaining, step index, photonic crystal, endcaps
- Understanding of stray light analysis in the context of a laser system
- Demonstrated successful execution of engineering tasks including use of design software (Ansys Zemax OpticStudio, Photon Engineering FRED, and/or Lambda Research OSLO preferred) and quantitative analysis/programming tools (Python), instrumentation and measurement, part fabrication or procurement, integration and test, data collection, and documentation
Startup Mindset:
- You're creative, flexible, and eager to wear multiple hats.
- You're passionate about building systems from the ground up and comfortable with ambiguity and change.
Benefits
The expected annual salary range for this position is $150,000-$200,000.
As a full-time employee, you will be eligible for Monarch’s comprehensive benefits package, which includes:
- Medical, Dental, and Vision insurance
- Fidelity 401(k) plan with 4% employer matching
- 20 paid time off (PTO) days per year
- 13 paid company holidays
- 9/80 work schedule (every other Friday off)
Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.
#LI-JM1
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