Laser Electro-Optical Engineer / Scientist

InertiaLivermore

On-site Full-time

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Experience Level

Experience

Qualifications

Master's degree or PhD in Optical Engineering, Physics, or a related field. Proven experience in laser systems design and electro-optics. Strong analytical and problem-solving skills. Ability to work effectively in a team-oriented environment. Excellent communication skills, both written and verbal.

About the job

Join our dynamic team at Inertia as a Laser Electro-Optical Engineer / Scientist, where you will engage in cutting-edge research and development activities in laser technology. You will work collaboratively on innovative projects that push the boundaries of optical engineering, contributing to the advancement of various applications across multiple industries.

About Inertia

Inertia is a leader in the field of optical engineering, dedicated to innovation and excellence. Our mission is to develop advanced technologies that enhance productivity and efficiency across various sectors. We pride ourselves on fostering a collaborative work environment that encourages creativity and professional growth.

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Project Engineer at Inertia | Livermore

Inertia

Full-time|On-site|Livermore

Join Inertia as a Project Engineer, where you will play a crucial role in spearheading innovative engineering projects. You will work collaboratively with cross-functional teams to ensure the successful execution of engineering initiatives, from conception through to implementation.We are looking for individuals who are passionate about engineering and posse…

Apr 13, 2026

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Optical Engineer at Inertia | Livermore

Inertia

Full-time|$140K/yr - $215K/yr|On-site|Livermore

Overview:Join our dynamic team at Inertia as an Optical Engineer, where you will play a pivotal role in enhancing the design and testing capabilities of high-power laser systems within our cutting-edge fusion energy program. You will be instrumental in developing the world’s most advanced average power pulsed lasers, which serve as the foundational element of our innovative power plant. Collaborating with industry leaders, government entities, and academic institutions, we aim to build a state-of-the-art demonstrator beamline capable of delivering 10 kJ at 10 Hz with an impressive 10% wall-plug efficiency utilizing diode-pumped solid-state laser technology (DPSSL).In this role, you will initially focus on designing optical test facilities and subsequently engage in the collaborative design of integrated beamline systems.

Nov 5, 2025

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Part-Time Firearm Specialist at Inertia | Livermore

Inertia

Part-time|On-site|Livermore

Overview:Join Inertia, a pioneering company at the forefront of developing fusion energy aimed for future integration into the electrical grid. We are currently seeking a part-time Firearm Specialist who will play a crucial role in the selection and operation of gas guns designed to propel targets into our innovative fusion development system. This position requires a comprehensive understanding of ballistics, ammunition specifications, and pertinent legal regulations surrounding firearm ownership and operation. You will be tasked with characterizing the installation of conventional gas guns and collaborating with engineers on the development of custom gas guns. This on-site role in Livermore, CA, reports directly to the lead engineer for the Injector subsystem of our fusion power plant, allowing you to leverage your expertise in firearms to contribute to groundbreaking technology.

Apr 3, 2026

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Mechanical Engineer - Thermal and Structural Analysis at Inertia | Livermore

Inertia Enterprises

Full-time|$125K/yr - $225K/yr|On-site|Livermore

OverviewInertia Enterprises is at the forefront of innovative technology, developing the first fusion energy power plant in the world. Located in a state-of-the-art 48,000 sq.ft. facility in Livermore, CA, we are looking for a Mechanical Engineer specializing in Thermal and Structural Analysis. This pivotal role involves spearheading the analysis and supporting the mechanical design of essential components and structures for our integrated power plant.In this position, you will engage in designing and analyzing components and structures that must endure the most extreme engineering conditions—intense x-ray and neutron flux, high temperatures, severe thermal gradients, high pressures, and powerful laser beams, among others. Your expertise will be crucial in analyzing our fusion engine structures, including the first wall and breeding blanket structures, while also supporting the design and fabrication of high-power laser delivery components and fusion target materials.Primary ResponsibilitiesLead the mechanical design and 3D modeling of key fusion engine systems, structures, and components, including the chamber, first wall, blanket, vacuum chamber, and piping.Direct thermal-structural analysis of critical components such as the engine first wall and tritium breeding blanket under both steady-state and transient conditions. Focus on optimizing structures for effective heat removal, thermal longevity, and manufacturability.Assess the impact of cyclic heat flux, creep loading, and fatigue loading on chamber components using relevant models and standards to predict the operational lifespan of the fusion core. Account for irradiation effects in thermal mechanical analyses.Perform thermal and structural analyses and parametric studies to validate and refine material selections and mechanical designs, documenting insights and results in technical reports.Actively engage in design reviews and risk assessment, identifying technical gaps, tracking action items, and integrating feedback from stakeholders into the design process.Conduct finite element analysis and thermal-mechanical analysis on additional key structures and components, including stress analysis of helium-cooled high-power laser optics and thermal stability of fusion target sub-structures.

Feb 19, 2026

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Senior Controls Engineer

Inertia

Full-time|On-site|Livermore

Role Overview Inertia is hiring a Senior Controls Engineer in Livermore. This role focuses on designing, developing, and implementing control systems for advanced engineering projects. The work blends a strong foundation in control theory with hands-on application to solve real-world challenges.

Apr 15, 2026

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Senior Laser Scientist at Inertia | Livermore

Inertia

Full-time|$185K/yr - $275K/yr|On-site|Livermore

Overview:Inertia is on the forefront of fusion energy research, and we are looking for a highly skilled Laser Scientist to lead the design and testing of high-power laser systems integral to our fusion energy initiatives. This role is pivotal in the creation of the most advanced average power pulsed lasers, which will serve as the foundational 'unit cell' of our future power plant. Collaborating with industry leaders, government entities, and academic experts, you will play a key role in developing a demonstrator beamline capable of delivering 10 kJ at 10 Hz with an impressive 10% wall-plug efficiency utilizing diode-pumped solid-state laser technology (DPSSL).Primary Responsibilities:Conduct comprehensive modeling and simulation for high-energy, high-average power laser systems.Evaluate various architectural solutions in collaboration with industrial partners and national laboratories to identify the most effective approach.Lead a team dedicated to the design, installation, commissioning, and optimization of cutting-edge laser systems and testing facilities.Collaborate with engineering and optical testing teams to ensure the timely design and delivery of intricate laser systems.Qualifications and Experience:PhD in Laser Physics or a related field with a minimum of 5 years of experience.Proficient in laser system design utilizing simulation software such as Miro or Rsoft, as well as laser energetics models and non-linear optical system analysis (SNLO or equivalent).Experience in the modeling and operation of diode-pumped solid-state laser systems and their components.

Nov 5, 2025

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Global Supply Manager

Inertia

Full-time|On-site|Livermore

As a Global Supply Manager at Inertia, you will play a crucial role in streamlining our supply chain operations and ensuring the quality and efficiency of our products. You will collaborate with various teams to identify supplier needs, negotiate contracts, and implement cost-saving measures. Your expertise in logistics and supply chain management will contribute significantly to our company's growth and success.

Apr 13, 2026

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Mechanical Engineer - Target Fabrication

Inertia

Full-time|$105K/yr - $200K/yr|On-site|Livermore

Overview:Inertia is on the lookout for talented Mechanical Engineers passionate about revolutionizing target fabrication for our cutting-edge fusion program. This role entails the design and optimization of precise assembly, bonding, and alignment processes for high-strength target components.Primary Responsibilities:Design and engineer tooling and fixtures aimed at precision target fabrication and assembly.Collaborate closely with materials scientists and process engineers to enhance target integrity and production efficiency.Conduct mechanical testing and reliability evaluations of bonding and assembly techniques.Assist in the development of automation systems for the mass production of fusion targets.Engage with vendors, external partners, and internal stakeholders to qualify materials and components.

Oct 27, 2025

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Laser Electro-Optical Engineer / Scientist

Inertia

Full-time|On-site|Livermore

Apr 8, 2026

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Laser Diode Manufacturing Engineer

Inertia

Full-time|On-site|Livermore

Join Inertia as a Laser Diode Manufacturing Engineer, where you will play a pivotal role in the production and optimization of advanced laser diode systems. This position is ideal for innovative engineers who are passionate about cutting-edge technology and thrive in a dynamic manufacturing environment.

Apr 10, 2026

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Cryogenics Engineer – IFE Target Systems

Inertia

Full-time|$125K/yr - $200K/yr|On-site|Livermore

Overview:Inertia is on the lookout for a talented Cryogenics Engineer to spearhead the design and advancement of systems dedicated to layering deuterium-tritium (DT) fuel in inertial fusion energy (IFE) targets. This role encompasses the complete spectrum from prototyping to mass production systems, achieving target throughput rates of a few Hertz. The engineer will be responsible for transitioning targets from room temperature to cryogenic conditions for efficient fuel condensing and layering, ultimately passing them to a target injector (launcher) for acceleration into the power plant chamber. The development will also encompass the cryogenics systems necessary for housing the injector, making these elements vital for fueling the Inertia fusion power plant.Primary Responsibilities:Lead the design and development of cryogenics systems for effective fuel layering in IFE targets.Create and refine cryogenic systems for target injector housing, contributing to injector design efforts.Develop and implement tests to assess the performance of cryogenic systems and analyze resultant data.Support additional cryogenic projects related to power plants, including tritium recovery, purification systems, and chamber gas recirculation.Qualifications:Required:Ph.D. or Master’s degree (or equivalent experience) in Engineering, Applied Physics, Physics, or a related field.Proven experience in designing and developing sophisticated cryogenics systems.Demonstrated capability in modeling static heat loads and transient cooldowns in cryogenic environments.Exceptional analytical skills with a focus on data measurement and analysis.Preferred:Experience with cryogenic mechanical and fluid handling systems.Background in designing systems for handling deuterium-tritium (DT).Familiarity with fusion cryogenic systems.Experience with various closed-loop cryogenic plant equipment.Proficiency in FEM or FDM codes.Salary & Benefits:The base salary range for this role is $125,000 - $200,000; actual compensation may vary based on skills, experience, and education.

Jan 1, 2026

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Innovative Controls Engineer for High-Power Laser Systems

Inertia

Full-time|$135K/yr - $185K/yr|On-site|Livermore

Overview:We are looking for forward-thinking Controls Engineers to enhance our high-power laser system design and testing capabilities within Inertia's groundbreaking fusion energy program. Join a dynamic team focused on developing the world's most advanced average power pulsed lasers, which will serve as the foundational 'unit cell' of our future power plant. Collaborating with industry leaders, government entities, and academic institutions, we aim to construct a demonstrator beamline capable of delivering 10 kJ at 10 Hz with a remarkable 10% wall-plug efficiency, utilizing cutting-edge diode-pumped solid state laser technology (DPSSL).The role will involve the design of high-power test facilities, co-designing integrated beamline systems, and coupling these systems to high-velocity targets.

Nov 5, 2025

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Laser Engineer at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

We are excited to announce an opportunity for a Laser Engineer to contribute to the National Ignition Facility (NIF) laser engineering, operations, and maintenance at one of the world's most advanced laser facilities. In this pivotal role, you will oversee the operation and upkeep of intricate laser systems and supporting hardware for the largest laser installation globally, comprising 192 beams. Your efforts will ensure seamless planning, coordination, and execution of laser operations to facilitate high-stakes experiments in High Energy Density Physics, Laser Fusion and Ignition, and National Security initiatives.Your responsibilities will also include leading innovative projects aimed at enhancing laser technology and integrating new capabilities to boost NIF's power, energy, and precision. You will engage collaboratively with scientists, engineers, and technicians across various NIF sections to establish clear objectives, deliverables, and interfaces.As a vital member of the Laser Systems Engineering and Operations (LSEO) Division within the Engineering Directorate, your contributions will drive the ongoing success of this flagship experimental facility under the National Nuclear Security Administration, part of the Department of Energy.Please note that this position requires full-time, on-site presence due to the hands-on nature of the work.

Mar 5, 2026

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Data Science Engineer at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

Lawrence Livermore National Laboratory (LLNL) is hiring a Data Science Engineer based in Livermore, California. This role supports scientific research by creating data-driven solutions that contribute to national security and scientific progress. Key responsibilities Develop data science solutions for a range of research projects using strong analytical skills. Collaborate with multidisciplinary teams working on scientific and security-related initiatives. Provide technical expertise to projects that align with LLNL's mission. Location This position is located in Livermore, California.

Apr 21, 2026

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Electrical Engineer at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

Lawrence Livermore National Laboratory (LLNL) is seeking an innovative Electrical Designer/Engineer to create construction documents for the development, renovation, and upgrades of facilities and infrastructure. This position is part of the Design & Engineering Division within the Project Management Office (PMO).Your role will involve planning, designing, and constructing electrical systems across diverse facilities, ensuring they are reliable, compliant, and efficient. Based on your experience and qualifications, you will be classified as either a TSS.2 Electrical Designer or TSS.3 Electrical Engineer, with opportunities for increased independence, leadership, and technical responsibilities.Your Responsibilities Include:Designing electrical systems for construction projects, which encompass power distribution, lighting, grounding, and related systems.Applying the National Electrical Code (NEC), California Building and Electrical Codes, and institutional standards to develop effective design solutions for LLNL’s electrical infrastructure.Creating detailed technical drawings, specifications, and calculations such as load flow, branch, short circuit, and arc flash analyses.Defining functional electrical requirements for new or modified specialized equipment and support systems.Providing engineering support during construction by reviewing submittals and shop drawings, answering contractor inquiries, resolving field issues, and conducting inspections.Utilizing AutoCAD and Revit to prepare electrical construction packages.Performing additional duties as assigned.Additional Responsibilities for TSS.3 Level:Leading moderate to complex electrical design projects, overseeing technical criteria, schedules, and deliverables.Exercising independent judgment in applying NEC and LLNL design standards to major infrastructure upgrades and modifications.Facilitating the procurement of LLNL-furnished electrical equipment by developing specifications and coordinating with vendors and project stakeholders.Reviewing designs prepared by external engineers to ensure compliance, constructability, and adherence to LLNL standards.

Feb 23, 2026

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Production Engineer at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

Join the team at Lawrence Livermore National Laboratory as a Production Engineer, where you will be a crucial part of our dynamic operations. In this role, you will leverage your engineering expertise to enhance production processes, ensuring efficiency and quality in our innovative projects.

Apr 30, 2026

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Senior Mechanical Design Engineer

inertia

Full-time|On-site|Livermore

Join inertia as a Senior Mechanical Design Engineer and be a pivotal part of our innovative team. In this role, you will leverage your expertise in mechanical design to develop cutting-edge solutions for our projects. You will work closely with cross-functional teams to ensure the successful execution of design processes, from concept to production.

Mar 13, 2026

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Mechanical Cognizant Systems Engineer at Lawrence Livermore National Laboratory | Livermore, CA

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

Lawrence Livermore National Laboratory seeks a Mechanical Cognizant Systems Engineer to join its team in Livermore, CA. This entry-level position focuses on supporting mechanical systems within nuclear facilities that play a critical role in national security projects. Role overview This role centers on ensuring the safe and reliable operation of mechanical systems. Responsibilities include monitoring system performance, assisting with maintenance activities, and supporting compliance with safety protocols. Key responsibilities Support day-to-day operation of mechanical systems in nuclear facilities Assist with troubleshooting and resolving technical issues Help maintain safety and operational standards Requirements Entry-level engineering experience or education Interest in mechanical systems and facility operations Commitment to safety and national security objectives

Apr 23, 2026

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BIM Specialist at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|$129.2K/yr - $196.5K/yr|On-site|Livermore

We are excited to announce an opportunity for a highly skilled and detail-oriented BIM Specialist to join our team. In this pivotal role, you will be responsible for the development, coordination, and maintenance of Building Information Modeling (BIM) models and construction documents for various facility design projects. This position is particularly focused on BIM and design technology.You will collaborate closely with architects and engineers, leveraging your expertise in building systems and construction practices to produce precise, coordinated, and multi-disciplinary drawings and 3D models. The ideal candidate will possess the ability to manage multiple projects simultaneously while demonstrating exceptional attention to detail.This role is situated within the Project Management Office (PMO), which provides LLNL with a comprehensive range of engineering, design, estimating, construction, demolition, and project management services. PMO plays a crucial role in supporting groundbreaking research and development across various fields such as defense technologies, global security, laser science, and biosciences. We prioritize safety, collaboration, and the delivery of high-quality completed projects.

Feb 11, 2026

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Senior Mechanical Engineering Analyst at Lawrence Livermore National Laboratory | Livermore

Lawrence Livermore National Laboratory

Full-time|On-site|Livermore

Join the dynamic team at Lawrence Livermore National Laboratory (LLNL) as a Senior Mechanical Engineering Analyst. In this pivotal role, you will leverage your expertise to support advanced mechanical engineering projects that contribute to national security and scientific discovery.

May 1, 2026

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