Top Tech Jobs & Startup Jobs in Los Angeles, CA

Develop and extend PX4 firmware and embedded systems for drone autonomy. Implement custom flight behaviors, support simulation (Gazebo, HITL, SITL), perform flight test support, log analysis, and debugging across sensing, power, and peripherals.

Provide direct operational and communications support to the CEO: manage complex calendars, coordinate internal/external meetings, plan domestic and international travel, and act as a liaison across stakeholders. Maintain confidentiality, prioritize executive time, and ensure smooth executive workflows through strong organization, communication, and relationship management.

Design and analyze aerodynamic configurations for UAS operating in extreme weather using CFD (Ansys preferred), CAD (SolidWorks preferred), wind‑tunnel testing, and composite manufacturing; collaborate with multidisciplinary teams to translate designs into manufacturable prototypes and validate performance.

Lead state-focused business development in Nevada for precipitation enhancement and water resource programs. Own revenue targets, identify funding pathways (appropriations, grants, contracts), build legislative and agency relationships, shape policy, coordinate public/private partnerships, support proposals with cross-functional teams, organize demonstrations and events, and track market intelligence to convert opportunities into funded programs.

Own and build customer-facing geospatial and data-visualization products: interactive campaign visualizations, GIS proposal tooling, demo environments, component library, and instrumentation to drive sales and customer trust. Full-stack ownership from frontend (React/TypeScript) to backend (Python/Node), architecture, and product design.

Support AR and AP functions including invoice entry, vendor/customer account maintenance, cash application, reconciliations, month-end close support, reporting, and discrepancy resolution. Partner with cross-functional teams, improve workflows, and provide ad hoc support to the Accounting Manager.

Lead business development with California state government for Rainmaker's water and precipitation programs. Own revenue targets, build pipelines across appropriations, grants, and contracts, cultivate legislative and agency relationships, shape policy and budget engagement, coordinate public/private partnerships, support cross-functional pursuits, and run events and market intelligence to secure funded work.

Lead Rainmaker's Arizona state business development by identifying and pursuing state-funded opportunities (appropriations, grants, contracts, pilots), building legislative and agency relationships, shaping policy and budgets, coordinating public/private partnerships, supporting cross-functional proposal efforts, organizing demonstrations and events, and reporting market intelligence and pipeline forecasts to leadership.

Lead architecture, PCB design, and rapid prototyping of electrical systems for UAS and payloads. Perform board bring-up, testing, documentation, and cross-functional integration. Mentor engineers and drive designs from concept through manufacturing and flight validation.

Lead and build Rainmaker’s People operating system: org design, workforce planning, HR operations, performance management, compensation, onboarding, employee relations, compliance, and people analytics. Partner with executives to scale structure, manager effectiveness, and culture while implementing practical, scalable HR systems and processes for a fast-moving technical organization.