Semiconductor Laser Device Engineer (mid to senior level)

  • Livermore, CA, USA
  • Full-time
  • Job Code 1: SES.3 Science & Engineering MTS 3
  • Job Code 2: SES.4 Science & Engineering MTS 4
  • Organization: Engineering
  • Category: Engineering
  • Security Clearance: Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation)
  • Pre-Employment Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)
  • Pre-Placement Medical Exam: Not applicable
  • Position Type: Career Indefinite
  • Referral Bonus: $1500

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is essential to innovation and creativity for continued success of the Laboratory’s mission.

Job Description

We have an opening for a mid-to-senior level Semiconductor Laser Device Engineer with expertise in semiconductor laser diodes. You will define, develop, and deploy high power laser diode arrays.  You will have an advanced understanding of semiconductor optoelectronics to specify, design, and oversee deployment of high-power laser diode arrays and work to determine requirements, set specifications and address array technology options including thermal management and electronic drivers.  You will work with LLNL team members to expand the vision for continued development of diode laser technology. This position is in the Laser Systems Engineering & Operations (LSEO) Division of the Engineering Directorate.

This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

In this role you will 

  • Design, build, and commission advanced semiconductor laser characterization tools and experiments
  • Design and lead complex experiments to characterize laser diode components.
  • Develop or use advanced data analysis and simulation software to support experimental goals.
  • In conjunction with both university and industrial partners, conduct advanced research into novel approaches for enhancing laser diode technology.
  • Specify, procure, evaluate, and deploy commercially available laser diode arrays on LLNL systems.
  • Perform other duties as assigned.

Additional job responsibilities, at the SES.4 level: 

  • Provide technical guidance, mentorship, and leadership to team members in the execution of their work scope with a focus on defining, developing, and deploying complex high-power diode laser pump arrays.
  • Provide significant technical expertise to fulfill research/project vision and strategy while leading technical direction for self and others. 
  • Lead and mentor on technical activities as needed to specify, procure, evaluate, and deploy commercially available laser diode arrays on LLNL systems.

Qualifications

  • Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
  • Master’s in Electrical Engineering or Physics, or the equivalent combination of education and previous relevant experience.
  • Knowledge of and significant experience with the theory and use of laser diodes.
  • Advanced knowledge of and experience with laser diode micro-optics, opto-electronic device packaging and knowledge of complex reliability engineering principles.
  • Significant experience with  complex opto-electronic device simulation, laser diode characterization, and/or optical simulation.
  • Communication, facilitation, and collaboration skills necessary to present, explain, and advise senior management.
  • Experience interacting and cooperating with all levels of technical staff, managers, and vendors.

Additional qualifications at the SES.4 level

  • Leadership skills for leading and managing small, multi-disciplinary teams.
  • Expert knowledge of and substantial experience with current state-of-the-art laser diodes, including highly complex semiconductor device physics (gain, cavity design, heterostructure charge transport) and device reliability physics.
  • Expert communication, facilitation, and collaboration skills necessary to effectively present, explain, influence, and advise senior management and/or external sponsors.

 Qualifications We Desire

  • PhD in Electrical Engineering or Physics. Experience with high power laser diode arrays, laser diode simulation software, laser diode current driver requirements, III-V semiconductor fabrication and materials technologies, and/or opto-electronic component packaging.
  • Expert knowledge of and experience with characterization of compound semiconductor optoelectronic devices and materials such as GaAs, InP, and/or GaN.
  • Working knowledge of epitaxial growth and material characterization techniques such as MOCVD, MBE, XRD, PL, ECV, AFM, SEM. Hall effect, and/or SIMS
  • Working knowledge of semiconductor fabrication processes such as PECVD, RIE, ICP, wet etch, photolithography, and/or evaporation.
  • Familiarity with the high-power laser diode industry or employment experience at an industrial manufacturer or end-user of laser diode components.
  • Experience in writing technical specifications and statements of work.

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Additional Information

All your information will be kept confidential according to EEO guidelines.

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Position Information

This is a Career Indefinite position. Lab employees and external candidates may be considered for this position.

Why Lawrence Livermore National Laboratory?

  • Included in 2022 Best Places to Work by Glassdoor!
  • Work for a premier innovative national Laboratory
  • Comprehensive Benefits Package
  • Flexible schedules (*depending on project needs)
  • Collaborative, creative, inclusive, and fun team environment

Learn more about our company, selection process, position types and security clearances by visiting our Career site

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance.  If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship.  For additional information, please see DOE Order 472.2

Pre-Employment Drug Test

External applicant(s) selected for this position will be required to pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Equal Employment Opportunity

LLNL is an equal opportunity employer that is committed to providing candidates and employees with a work environment free of discrimination and harassment. We value and hire a diverse workforce as it is a vital component of our culture and success. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

LLNL invites you to review the Equal Employment Opportunity posters which include EEO is the Law and Pay Transparency Nondiscrimination Provision.

Reasonable Accommodation

At LLNL, our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please submit a request via our online form

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