Top Tech Jobs & Startup Jobs

Operate, maintain, troubleshoot, repair, fabricate, and assemble high-vacuum systems, mechanical components, fixtures, and laboratory equipment. Perform leak detection, pump-down diagnostics, equipment installation, commissioning, maintenance, and system upgrades. Use CAD, machine-shop equipment, hand tools, and joining processes such as welding and brazing. Maintain technical records and collaborate with engineers and scientists while following security, quality, and environmental requirements. Senior-level duties include leading complex troubleshooting, designing fixtures, developing procedures, and mentoring technical staff.

Develops physics-informed machine-learning methods for computational mechanics and scientific simulation. Responsibilities include integrating physical laws into neural networks, building surrogate and reduced-order models, analyzing scientific data, performing finite-element or finite-volume simulations, conducting independent research, collaborating across disciplines, and publishing and presenting findings. The role requires a doctorate earned within five years and eligibility for a DOE Q-level security clearance.

Oversee Enterprise Secure Network connectivity and IT deployments for Mission Partner Sites. Coordinate site onboarding, technical implementation schedules, documentation, deliverables, compliance, hardware deployment, and integration status reporting. Serve as a liaison and provide technical customer support while administering field service and ServiceNow asset records. The role requires full-time onsite work, up to 25% travel, and eligibility for a DOE Q-level clearance.

Leads IT integration projects for Enterprise Secure Network connectivity at Mission Partner Sites. Responsibilities include coordinating site onboarding, serving as a liaison, developing integration documentation and processes, tracking deployment status, ensuring NNSA network compliance, traveling to customer sites for hardware deployment, and serving as a traveling Local Registration Authority. The role requires on-site work, up to 50% travel, technical project knowledge, network or system administration experience, and eligibility for a DOE Q clearance.

Supports business processes, workflow coordination, document control, change-control proposals, project tracking, and operational reporting for strategic deterrence programs. Maintains SharePoint and Teams sites, tracks documentation and approvals, prepares reports and dashboards, gathers requirements, monitors project status, and recommends process improvements. The role may support classified program websites and requires eligibility for a U.S. DOE Q-level security clearance.

Develop and maintain Python-based geospatial data workflows, analysis tools, GIS applications, web services, and data products. Perform spatial analysis and QA/QC for geospatial data, code, and automated workflows. Support database, web application, and enterprise GIS integrations while documenting processes, testing solutions, and communicating technical results. The role collaborates with GIS professionals, developers, scientists, and stakeholders and requires eligibility for a DOE Q-level clearance.

Analyze industrial control and SCADA networks to identify vulnerabilities and indicators of compromise. Test and validate network characterization tools and cyber-physical simulations, collaborate with multidisciplinary teams, automate system deployment and data collection, and communicate technical findings to stakeholders. Higher-level responsibilities include leading complex project planning, directing cross-disciplinary teams, presenting proposals, and developing research and development initiatives.

Leads risk management and systems engineering for complex National Ignition Facility projects. Responsibilities include risk identification, assessment, mitigation, requirements development and traceability, system architecture analysis, failure-mechanism evaluation, verification planning, project controls, scheduling, budgeting, stakeholder coordination, and technical leadership. The role requires full-time onsite work and supports multidisciplinary engineering programs in a national security research environment.

Designs secure, integrated technology architectures supporting enterprise applications, scientific research, and mission-critical operations. Responsibilities include analyzing requirements, selecting technologies, developing reference architectures and deployment methodologies, integrating applications and infrastructure, assessing technical risks and costs, and guiding implementation, testing, deployment, and continuous improvement. The role collaborates with application owners, developers, stakeholders, vendors, and project teams, with occasional travel and potential responsibilities for workflows, application onboarding, and enterprise network promotion.

Supports nuclear weapons engineering experiments by designing, fabricating, assembling, testing, troubleshooting, upgrading, and maintaining complex electro-mechanical systems and instrumentation. Collaborates with scientists and engineers, develops procedures, analyzes and presents test data, provides technical direction, and may lead technical teams. Work is conducted on-site across LLNL and Nuclear Security Enterprise locations and requires eligibility for a DOE Q-level clearance.