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Level 4 Jobs in California (NOW HIRING)

Optical Engineer Level 4

San Diego, CA ยท On-site

$150K - $200K/yr

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 ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

PCB Designer - Level 4

Pasadena, CA ยท On-site

$122K - $181K/yr

Collaborate on circuit-level analysis and simulation, supporting signal-integrity, power-integrity, and basic SPICE-based validation to ensure schematic intent is preserved through layout. * Apply ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

Optical Engineer Level 4

San Diego, CA ยท On-site

$150K - $200K/yr

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 ...

To reflect this, we practice a "default together" approach and expect our team members to work in an office 4+ days per week. At Snap, we believe that having a team of diverse backgrounds and voices ...

Optical Engineer Level 4

San Diego, CA ยท On-site

$150K - $200K/yr

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 ...

Showing results 41-60

Level 4 information

See California salary details

$10.9K

$85.5K

$111.5K

How much do level 4 jobs pay per year?

As of Aug 6, 2026, the average yearly pay for level 4 in California is $85,531.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,200.00 and $106,100.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Level 4 IT Support Technician, and why are they important?

To thrive as a Level 4 IT Support Technician, you need advanced technical troubleshooting skills, in-depth knowledge of operating systems and networks, and relevant IT certifications such as CompTIA A+, Network+, or Microsoft Certifications. Familiarity with ticketing systems, remote management tools, and system administration platforms is typically required. Strong problem-solving abilities, patience, and excellent communication skills help you resolve complex issues and support end-users effectively. These competencies are vital to ensure minimal downtime, maintain system reliability, and deliver superior technical support in demanding environments.

What are Level 4 jobs?

Level 4 jobs typically refer to positions that require specialized skills or experience, often involving some supervisory or advanced technical responsibilities. The exact duties and requirements can vary by industry and organization, but Level 4 roles are generally above entry-level and may involve managing small teams, overseeing projects, or handling complex tasks. These positions usually require a higher degree of autonomy, problem-solving abilities, and sometimes specific certifications or education. Level 4 is often used in job grading systems within companies to categorize roles based on responsibility and expertise. It is important to check the specific company's job framework to understand what Level 4 entails in their context.

What is the difference between Level 4 vs Level 3?

AspectLevel 4Level 3
Required credentialsCertifications, diplomas, or licenses depending on industrySimilar credentials, often a prerequisite for Level 4
Work environmentMore complex tasks, greater responsibility, independent workLess complex, supervised tasks, team collaboration
Employer usageEntry to mid-level roles with increased responsibilitiesEntry-level or support roles
Search intentJobs seeking Level 4 qualifications or experienceJobs suitable for Level 3 candidates

Level 4 roles typically require more advanced skills and certifications than Level 3 positions. They involve handling more complex tasks, greater responsibility, and often operate with more independence. Employers use Level 4 to denote roles that are a step above entry-level, while Level 3 positions are more support-oriented. Understanding these differences helps job seekers target the right opportunities based on their qualifications and experience.

What are some common challenges faced by professionals in Level 4 roles, and how can they be addressed?

Professionals in Level 4 roles often encounter challenges such as managing increased responsibility, leading projects or small teams, and adapting to higher performance expectations. Balancing hands-on tasks with supervisory duties can be demanding, especially when transitioning from more junior positions. To address these challenges, it's helpful to seek mentorship, prioritize time management, and actively communicate with colleagues and supervisors to clarify expectations and share workload. Building leadership and delegation skills will also support success and prepare you for further advancement.
What are popular job titles related to Level 4 jobs in California? For Level 4 jobs in California, the most frequently searched job titles are:
What cities in California are hiring for Level 4 jobs? Cities in California with the most Level 4 job openings:
Infographic showing various Level 4 job openings in California as of July 2026, with employment types broken down into 1% As Needed, 66% Full Time, 26% Part Time, and 7% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $85,531 per year, or $41.1 per hour.

Optical Engineer Level 4

Monarch Quantum

San Diego, CA โ€ข On-site

$150K - $200K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 16 days ago


Job description

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.ย You'llย have the opportunity to work onย cutting edgeย technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows:ย 

  • Work independently and in a team while overcommunicating with the manager, project engineer,ย and teammates.ย ย 
  • Execute complex engineering tasks involving planning, preparation, data/information collection,ย and analysis and decision-making in a process involving peer reviews and documentation of the results.ย ย 
  • Use tenacity, patience, self-discipline,ย and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication,ย and documentationย 
  • Use every opportunity to grow competency throughย mentorship, curiosity, communication, exposure,ย and initiativeย 
  • Drive innovation in modeling, design, analysis, and alignment methods to support product roadmapย 
  • Support project engineering with project scope, schedule, and risk analysisย 

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 rotationย impactย a beam's near-field, far-field, beam quality, and fiber coupling efficiencyย 
    • Fluency applying ray-equivalent methods of laser propagation to guide architecture and debug layout questionsย 
    • Fluencyย determiningย the best way to answer a design problem, including combinations of design software, macros, external code, and manual calculationsย 
    • Ability to use paraxial raytracingย andย ABCD matrices to derive analytical expressions for trends, sensitivities, and scaling factors in various optical layoutsย 
    • Fluency in applying first-order imaging and the overlap integral of Gaussian beams to interrogate the design space of a laser moduleย 
    • Understanding of howย componentย properties impact alignment sensitivity (e.g. collimation lens focal length)ย 
    • Ability to take a novel optical design question, distill it to an algebraic method, andย validateย the analysis using a second calculation method (e.g. optical design software).ย 
    • Ability to turn exotic optical requirements into concrete analysis tasks (e.g. acousto-optic modulator RF tuning range, impact of thermal lensing)ย 
    • Fluency in applying first-order imaging and the overlap integral of Gaussian beams to deriveย componentย fabrication and alignment requirementsย 
    • Ability to derive quantitative requirements for optic prescriptions (surface roughness, scratch/dig, surface power, surface irregularity, aspheric sag error, material properties)ย 
    • Understanding of different tolerancing methods for conventionally polished, sub-aperture polished, and precision glass molded componentsย 
    • Ability to engage vendors to understand capabilities and drive clarity to get quotes for components, accounting for supplier yield, risk, and scheduleย 
    • Understanding of optical metrology methods and how to specify a drawing congruent with a vendor's measurement facilitiesย 
    • Fluency creating efficient layout optimization workflows in non-sequential design software for nontrivial architecturesย 
    • Understanding of polarization ray tracing and how to analyzeย polarization through optic trains with dozens of surfacesย 
    • Understanding of polarization components within both Jones and Mueller modelsย 
    • Deep understanding of fiber optics for high power CW laser systems: multi-mode, single mode, polarizationย maintaining, step index, photonic crystal, endcapsย 
    • Understanding of stray light analysis in the context of a laser systemย 
    • Demonstrated successful execution of engineering tasks including use of design software (Ansysย Zemaxย 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 documentationย 

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.

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