Senior Semiconductor Laser Device Engineer at LLNL

We have an opening for a Senior Semiconductor Laser Device Engineer with expertise in semiconductor laser diodes. You will define develop and deploy high power laser diodes and diode arrays.  You will have an advanced understanding of semiconductor optoelectronics micro-optics and thermal management 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.In this role you willOperate under consultative direction with substantial authority using in-depth analysis and subject matter expertise in highly advanced concepts to resolve a diverse range of highly complex problems independently determine strategies modify approaches and pursue actions that impact organizational operations or directions and achieve long-term goals.Provide technical guidance to team members leadership and external customers on defining developing and deploying highly complex high-power diode laser pump arrays.Serve as the primary technical contact providing input and applying highly advanced technical knowledge  for high power laser diodes and optoelectronic components.  Set broad research/project vision and strategy and influence technical direction for self and others serving as liaison between stakeholders to align priorities goals and resources and to foster collaboration.  Direct technical activities as needed to specify procure evaluate and deploy commercially available laser diode arrays on LLNL systems.Build and sustain strategic relationships with universities and industrial partners to conduct highly advanced research into novel approaches for enhancing laser diode technology.Design and direct highly complex experiments to characterize laser diode components.Assess novel pump laser concepts using optoelectronic optical and or thermal simulations.Provide highly advanced technical guidance training mentoring and coaching to technical staff.Utilize highly advanced technical expertise and analytical skills to prepare present and explain formal and complex reports and written and verbal presentations of technical work.Perform other duties as assigned.Qualifications : Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.Bachelors degree in Electrical Engineering or Physics or related technical field or the equivalent combination of education and previous relevant experience.Highly advanced knowledge of and significant experience with current state-of-the-art laser diodes including laser diode metrology semiconductor device physics (gain cavity design heterostructure charge transport) and device reliability physics.Expert knowledge of and significant experience with laser diode micro-optics optoelectronic device packaging and thermal management and knowledge of highly complex reliability engineering principles.Significant experience with highly complex optoelectronic device simulation and laser diode characterization.Expert communication facilitation and collaboration skills necessary to prepare present and explain highly complex reports and effectively deliver highly advanced technical presentations as well as influence and advise senior management and/or external sponsors.Significant experience with demonstrated ability to successfully lead and manage small multi-disciplinary teams in achieving project objectives.Significant experience interacting and cooperating with all levels of technical staff managers and vendors.Qualifications We DesireMasters 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.Demonstrated experience leading a project and/or managing project budget and schedule.Expert knowledge of and experience with characterization of compound semiconductor optoelectronic devices and materials such as GaAs InP and/or GaN.Familiarity with the high-power laser diode industry or employment experience at an industrial manufacturer or end-user of laser diode components.Familiarity with compound semiconductor growth characterization and fabrication processes such as MOCVD MBE XRD PL ECV AFM SEM. Hall effect and/or SIMS PECVD RIE ICP wet etch photolithography and/or evaporation.Experience in writing technical specifications and statements of work.Additional Information : #LI-OnsitePosition InformationThis is a Career Indefinite position open to Lab employees and external candidates.Why Lawrence Livermore National LaboratoryIncluded in 2025 Best Places to Work by Glassdoor!Flexible Benefits Package401(k)Relocation AssistanceEducation Reimbursement ProgramFlexible schedules (*depending on project needs)Our values - visit  ClearanceThis 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. Also all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. Pre-Employment Drug TestExternal applicant(s) selected for this position must 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.Wireless and Medical DevicesPer the Department of Energy (DOE) Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession.  This includes but not limited to cell phones tablets fitness devices wireless headphones and other Bluetooth/wireless enabled devices.  If you use a medical device which pairs with a mobile device you must still follow the rules concerning the mobile device in individual sections within Limited Areas.  Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas Secure Space and Transit/Buffer Space within buildings.How to identify fake job advertisementsPlease be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under Find Your Job of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent we strongly recommend you do not respond.To learn more about recruitment scams:  Employment OpportunityWe are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. 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.Reasonable AccommodationOur 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 use our online form to submit a request. California Privacy NoticeThe California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants employees and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.Remote Work : NoEmployment Type : Full-time Key Skills APIs,C/C++,Computer Graphics,Go,React,Redux,Node.js,AWS,Library Services,Assembly,GraphQL,High Voltage Experience: years Vacancy: 1