Phoenix Tailings · 1 day ago
Senior Chemical Engineer
Burlington, MA
Full-time
Onsite
Mid, Senior Level
$120K/yr - $160K/yr
5+ years expPhoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. They are seeking a Senior Chemical Engineer to lead the scaling of critical metals recovery processes, ensuring the transition of chemistry into efficient systems.
Advanced MaterialsCleanTechIndustrialManufacturingMiningSustainabilityWaste Management
Responsibilities
Translate lab-scale chemical processes into scalable unit operations
Design and develop process flowsheets for pilot systems across hydrometallurgical and metallurgical operations
Lead scale-up efforts for new processes, including equipment specification, system integration, and risk analysis
Analyze and optimize process performance to improve recovery rates, efficiency, and sustainability metrics
Work closely with R&D, mechanical engineering, and production teams to ensure seamless handoff from lab to pilot and pilot to production
Identify bottlenecks and troubleshoot technical challenges in early-stage systems
Support data collection and process modeling to guide decision-making and future system design
Drive continuous improvement in process safety, environmental impact, and overall performance
Qualification
Required
BS, M.S., or Ph.D. in Chemical Engineering or related discipline
5+ years of experience in chemical process development and scale-up
Proven experience applying mass and energy balances to develop and optimize process flows
Background in hydrometallurgy, separations, chemical recovery, or related high-complexity systems
Familiarity with chemical simulation/modeling tools (e.g., HSC Chemistry, Aspen Plus, MATLAB)
Strong experimental design and data analysis skills
Track record of delivering chemical processes from lab concept to pilot or production scale
Passion for clean technology, resource sustainability, and building systems from the ground up
Benefits
Healthcare, we care about you and your family: 100% Medical, dental, and vision coverage
Stock: Ownership in a fast-growing venture-backed company.
Family Focus: Parental leave and flexibility for families.
Time Off: Flexible vacation policy to encourage people to get out and see the world.
Team Fun: Regularly scheduled events, and celebrations.
Learning: Learning and development Opportunities to grow your skills and career.
Great team: Working with fun, hard-working, kind people committed to making a difference!
Flexible culture: We are results-focused. We don’t work at the office every day.
Company
Phoenix Tailings
Phoenix Tailings is a metals-refining company that transforms mining waste (“tailings”) into usable rare earth and critical metals.
51-200 employees
H1B Sponsorship
Phoenix Tailings has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (3)
2023 (1)
2022 (1)
Funding
Current Stage
Growth StageTotal Funding
$104.24MKey Investors
ARPA-EEnvisioning PartnersMassVentures
2025-12-25Series B
2025-12-04Grant· $1.6M
2025-04-30Series B· $33M
Leadership Team
Nicholas Myers
CEO & Co-Founder
Anthony Balladon
Chief Commercial Officer & Co-Founder
Recent News
2025-12-30
2025-12-29
Company data provided by crunchbase