Principal Optical Engineer

MKS Instruments • Irvine, CA

1d • $175,000 - $195,000 • Onsite

About The Position

The MKS Systems Business Unit develops and manufactures advanced optics, optical assemblies, subsystems, and full laser‑based production systems that enable high‑value solutions for our customers. As a Principal Optical Engineer in our Central Engineering organization in Irvine, CA, you will play a key role in designing and developing complex optical systems across a fast‑paced, highly collaborative, multidisciplinary environment. In this role, you will drive projects from initial concept through detailed design, integration, and successful product implementation.

Requirements

• Bachelor's degree in Optical Engineering, Physics, or equivalent discipline; advanced coursework preferred
• 8+ years of experience functioning at a principal or senior technical level in optical design and optical system development
• Demonstrated expertise in optical design and analysis, especially complex multi-element optics such as scan lenses, objective lenses, or high-performance imaging systems
• Advanced proficiency with optical design software (e.g., Zemax, CODE V)
• Strong practical experience in optical assembly, precision alignment, and integration of complex optical systems.
• Strong communication skills and problem-solving skills to operate effectively in multi-disciplinary environment
• Eligible to work in the United States

Nice To Haves

• Experience with lasers and laser measurements is highly desired

Responsibilities

• Leading the design, development, and validation of optics and optical systems with full consideration of performance, tolerancing, and manufacturability
• Translating customer and product requirements into robust optical architectures and specifications, balancing performance, cost, risk, and schedule
• Performing optical modeling and trade studies that balance high precision performance with opto-mechanical constraints
• Driving the hands-on realization of designs, including supplier engagement, prototype builds, precision alignment, metrology development, and performance verification
• Collaborating with cross‑functional teams and providing technical leadership through design reviews, feasibility assessments, cost evaluations, and data-driven recommendations

Benefits

• health insurance coverage (medical, dental and vision)
• 401(k) with company match
• life and disability insurance
• 12 paid holidays
• sick time
• 15 paid vacation days
• 6 weeks fully paid parental leave
• adoption assistance
• tuition reimbursement
• participation in any stock programs
• signing bonus

What This Job Offers

• Job Type: Full-time
• Career Level: Principal