Jobs at Redwood Materials

Leads the software and controls organization developing grid-scale battery energy storage systems. Oversees advanced power-conversion controls, grid-forming and grid-following algorithms, bare-metal Rust and C firmware, safety-critical architectures, hardware-software co-design, simulation, validation, manufacturing transition, field diagnostics, and fleet maintenance. The role also owns technical roadmaps, regulatory compliance, program delivery, hiring, and team development.

Develop and integrate software and controls for grid-scale battery energy storage systems using second-life EV battery packs. Responsibilities include hands-on pack bring-up, reverse-engineering proprietary BMS systems, validating state estimation algorithms, integrating Redwood’s battery controls, building embedded telemetry gateways, and conducting SIL/HIL and hardware verification. The role also leads technical engagements with automotive OEMs and BMS suppliers while ensuring safe high-voltage operation and reliable PCS and site-controller interfaces.

Industrialize mechanical component suppliers for high-volume energy products. Responsibilities include supplier audits, capacity analysis, process approvals, PPAP and FAI, part qualification, NPI builds, dimensional and quality reviews, nonconformance resolution, 8D investigations, supplier scorecards, DFM/DFA feedback, sourcing strategy, and supplier performance improvement. The role is fully onsite in San Francisco with 30% international travel to supplier sites.

Leads global sourcing and supplier relationships for mechanical components, including injection-molded plastics, stamped parts, fasteners, connectors, and harnesses. Responsibilities include RFx execution, supplier selection, should-cost modeling, commercial negotiations, supplier performance management, production readiness, capacity and lead-time planning, and stakeholder presentations. The role supports new product development and manufacturing ramp, with approximately 25% domestic and international travel.

Owns integrated supply chain program management across Energy Storage commodities, coordinating suppliers, Engineering, Manufacturing, Finance, and leadership. Builds schedules, tracks milestones and risks, drives supplier readiness for new product introduction and production ramp, analyzes cost and delivery metrics, resolves cross-functional issues, and improves program management processes. This fully on-site San Francisco role includes approximately 10% international travel to supplier sites.

Design and execute validation tests for high-voltage energy storage power electronics. Diagnose hardware failures to the component level, develop custom PCBAs and electrical test infrastructure, automate testing and data analysis with Python, and collaborate on FMEAs, test plans, and design improvements.

Build and maintain project finance models for energy storage deployments, including scenario analysis, sensitivity testing, IRR and NPV calculations. Support deal screening, term sheet evaluation, contract negotiation, financial diligence, executive approvals, pricing frameworks, and commercial strategy. Partner with Business Development, sales, executives, and investors across multiple live transactions.

Develops software infrastructure for large-scale battery characterization, including time-series data pipelines, cloud storage, cycler control services, testing APIs, anomaly detection, and digital twin simulation. Partners with battery and algorithm engineers to automate workflows and build deterministic tool layers and AI agent evaluation suites. The role is fully on-site and supports battery modeling, qualification, and production-site testing.

Industrialize PCBA suppliers for high-volume energy products by supporting audits, capacity analysis, PPAP/FAI, NPI builds, process approvals, quality investigations, supplier scorecards, and sourcing strategies. The role partners with engineering, supply chain, manufacturing, finance, and global suppliers to ensure dimensional, functional, reliability, quality, and production-readiness targets. It is fully on-site in San Francisco and requires 30% international travel to supplier and contract manufacturing sites.

Serves as the senior technical authority for extractive metallurgy across battery recycling and refining operations. Owns flowsheet design, evaluates process alternatives, defines product specifications, diagnoses impurity and recovery issues, and guides scale-up from bench and pilot stages to commercial deployment. Directs mineral processing, mechanical separation, pyrometallurgical and hydrometallurgical strategies, equipment selection, vendor testing, and plant performance improvements while advising executives and mentoring engineering teams.

The Senior HR Business Partner advises leaders and managers on employee relations, performance management, engagement, workforce issues, and organizational needs. The role independently develops HR solutions, coaches leaders, collaborates with Legal, Talent, Total Rewards, and HR Operations, and ensures decisions comply with company policies and San Francisco and California employment requirements.

Own sourcing strategy and top-of-funnel recruiting for difficult technical, operational, scientific, and supply chain roles. Build market maps, identify and engage passive candidates through multiple channels, conduct initial screens, and transfer qualified candidates to recruiters. Maintain accurate Greenhouse pipelines, measure sourcing performance, identify market challenges, and collaborate with hiring managers across time zones. Share sourcing methods and help improve qualification standards.

Own end-to-end delivery of battery energy storage and microgrid projects, from commercial scoping through engineering, procurement, construction, commissioning, and operations handoff. Manage schedules, budgets, risks, change control, permitting, interconnection, deliverables, commissioning readiness, and project documentation. Coordinate Business Development, Product Engineering, EPC partners, customers, and internal teams while developing repeatable execution processes and forecasting inputs. The role is based in San Francisco with travel to project sites and occasional after-hours work.

Leads global sourcing for PCBAs, custom transformers, and related electronics used in high-voltage energy products. Owns supplier identification, qualification, negotiations, RFQs, agreements, supplier performance, cost optimization, inventory readiness, make-versus-buy analysis, dual sourcing, localization, and contract manufacturing strategy. Partners with engineering and operations teams to support new product introduction, production ramp, and sustained manufacturing. Requires international supplier travel of 10–25%.

As a Solutions Engineer, you will serve as a technical resource, support customer engagement on system design, ensure technical specifications are met, and collaborate with engineering teams on customer feedback and project needs.

The Site Reliability Engineer will design and implement scalable systems, automate IT infrastructure management, and support deployed systems, ensuring high availability and performance.

Lead the electrical engineering efforts for utility-scale lithium-ion BESS projects, ensuring compliance and producing technical specifications while mentoring junior engineers.

Lead enterprise-wide planning, forecasting, and financial analysis. Own the annual operating plan, maintain a consolidated three-statement model, drive monthly/quarterly reforecasts, partner with business unit leaders, deliver executive and board-ready reporting, build FP&A infrastructure and KPI frameworks, and support ad hoc analyses and special projects for the CFO/VP Finance.

Design, build, test, deploy, and operate warehouse management, procurement, ERP integration, and operational applications. Write Python and React code, design APIs, debug production issues, and collaborate with stakeholders while traveling quarterly.

The Staff Design Manager will lead engineering and design efforts for construction and infrastructure projects, ensuring alignment with stakeholders and managing multi-disciplinary teams for successful project execution.