Top Tech Jobs & Startup Jobs in Boston, MA

Act as the CTO's right hand for R&D and Technology, owning program management, roadmaps, milestone tracking, dependency management across chemistry and engineering workstreams, translating between technical teams and business stakeholders, preparing executive/investor materials, and building operating cadence and decision processes without adding bureaucracy.

Lead hands-on development, optimization, and scale-up of hydrometallurgical processes (leaching, purification, solvent extraction, filtration, crystallization). Translate lab results to pilot/commercial designs, size equipment, troubleshoot process issues, develop pilot test plans and operating procedures, and mentor junior engineers and technicians.

Design, build, test, validate, and commission mechanical systems for high-temperature electrolysis, furnace, and electrochemical processes. Create 3D CAD models and drawings in SolidWorks, select mechanical components, develop and run V-Model-based verification/validation and DOE-driven test plans, and perform hands-on prototype assembly, troubleshooting, and commissioning in lab and pilot environments.

Design, program, and commission PLC and Ignition SCADA systems for large-scale manufacturing. Perform panel and field wiring, integrate sensors/VFDs, troubleshoot controls, and produce control documentation while collaborating with mechanical, electrical, and operations teams to stabilize and scale production.

Own post-award grant administration for federal awards (DOE, ARPA-E, etc.): manage compliance calendars, reporting, drawdowns, deliverables, audits, and agency relationships while coordinating R&D, finance, and legal teams to ensure timely, accurate submissions and milestone achievement.

Hands-on Controller to build and scale finance operations: implement accounting systems, internal controls, and ERP; manage payroll, treasury, AR/AP; deliver GAAP-compliant reporting, budgeting, and forecasts; support fundraising and strategic financial planning while working with external accountants.

Drive commercial growth by originating, negotiating, and closing multi‑million-dollar offtake agreements and partnerships across defense, automotive, clean tech, and advanced manufacturing. Build pipeline, engage Tier 1 OEMs and supply‑chain partners, structure complex commercial deals, translate technical capabilities into customer value, and inform production and go‑to‑market strategy.

Lead cost accounting, inventory valuation, month-end close, reconciliations, and financial reporting for a growing manufacturing startup. Improve internal controls and processes, support audits and tax filings, collaborate with operations, and scale financial systems. Oversee job costing, overhead rates, and grant-related cost accounting.

Identify and qualify sales opportunities in Defense, Automotive, and Industrial sectors; create proposals, pitch decks, and presentations; perform market and competitive research; manage CRM and pipeline reporting; coordinate meetings and follow-ups; build long-term customer and partner relationships.

Build and maintain detailed financial and economic models, conduct scenario and sensitivity analyses, develop forecasts and long-term plans, analyze KPIs, collaborate with business units, and present insights and recommendations to senior leadership and investors to support strategic decision-making.