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Lawrence Livermore National Laboratory · 1 week ago

Semiconductor Laser Device Engineer

Livermore, CA

Full-time

Onsite

Mid, Senior Level

$141K/yr - $214K/yr

Lawrence Livermore National Laboratory (LLNL) is seeking a Semiconductor Laser Device Engineer to define, develop, and deploy high power laser diode arrays. The role involves working with a team to advance diode laser technology and providing engineering support for laboratory experiments.

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Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Work under limited direction with moderate responsibility, use comprehensive knowledge, and exercise independent judgment to determine methods and recommend improvements within established frameworks and contribute to the fulfillment of project and organizational goals

Provide engineering support for the design, build, and execution of laboratory experiments for characterizing high power semiconductor diode lasers

Assist in maintaining test instrumentation cross-calibration, documenting test procedures, archiving test results, updating analysis software, and defining appropriate database reports

Perform data analysis of test results and write analysis codes in support, as needed

Participate in performing optical, electronic, and thermal modeling in support of experimental efforts

Contribute to the LLNL technical team on diode laser pump development and procurement contracts; collaborate closely with the laser team to ensure successful on-time deployment of the diode pump subsystem

Prepare and author moderately complex technical documents and presentations

Support engineering operations and participate in defining process improvements

Contribute to research into new approaches to record high power semiconductor diode lasers

Select methods, techniques, and evaluation criteria to recommend improvements and conduct moderately complex experiments to characterize subcomponents

Participate in the fielding of these new systems on Inertial Confinement Fusion (ICF) physics platforms and other high-energy laser platforms

Perform other duties as assigned

Qualification

Semiconductor laser diodesLaser physicsOptoelectronicsData analysisOptical modelingTechnical documentationCommunication skillsProblem solvingTeam collaboration

Required

Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship

Bachelor's degree in Electrical Engineering or Physics, or a relevant technical field, or the equivalent combination of education and previous relevant experience

Comprehensive level knowledge of semiconductor devices, laser physics, and optics

Demonstrated practical experience utilizing optics and laboratory instrumentation to conduct experiments in the area of optoelectronic devices

Comprehensive knowledge of and experience with the theory and use of laser diodes

Comprehensive knowledge of and experience with laser diode micro-optics, opto-electronic device packaging, and moderately complex reliability engineering principles

Experience identifying, defining, and solving multi-disciplinary problems in a timely, cost-effective manner

Proficient verbal and written communication skills necessary to effectively collaborate in a team environment, including the ability to prepare technical reports, deliver presentations, and explain technical information

Preferred

Master's degree or 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

Experience with characterization of compound semiconductor optoelectronic devices and materials such as GaAs, InP, and/or GaN

Familiarity with epitaxial growth and material characterization techniques such as MOCVD, MBE, XRD, PL, ECV, AFM, SEM. Hall effect, and/or SIMS

Familiarity with 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