Lead scale-up, design, deployment, and optimization of pilot-scale production processes for critical metals. Own process performance, eliminate bottlenecks, translate data into engineering decisions, mentor engineers, and support capital and facility planning while ensuring safety, quality, and environmental compliance.
About Phoenix Tailings
Phoenix Tailings is a rapidly-growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy.
Why Phoenix Tailings
At Phoenix Tailings, we believe that nothing great is ever accomplished alone or without the passion of people who push and motivate one another. If you are someone who shares our relentless pursuit of a better future, passion for innovation, and are excited about working with some of the top innovators in the world, then this is the place for you.
Our Values:
● You are only crazy if you are wrong, it’s ok to be wrong
● Lead with Compassion
● Be Resourceful
● Listen
● Hustle
Who We Are Looking For:
Phoenix Tailings is seeking a visionary Principal Production Engineer to take ownership of the scale-up and technical leadership of our pilot production systems. In this strategic role, you will serve as the technical authority on clean metals production systems, lead critical process development efforts, and directly influence how lab-scale innovations are transformed into commercial-scale operations. You will work cross-functionally with R&D, Engineering, and Operations, and have significant influence on the buildout of Phoenix Tailings’ next-generation critical metals infrastructure. Your contributions will directly accelerate our path toward a scalable, fully clean metals production platform.
This pay range reflects the expected compensation for this role and may vary based on experience and qualifications.
Salary Range: $140,000-$180,000
Key Responsibilities:
- Lead the design, deployment, and optimization of pilot-scale production processes for rare earth and critical metals
- Drive process scale-up strategies from R&D proof-of-concept through full pilot validation and production integration
- Serve as the primary technical owner of high-impact production systems, with deep understanding of process inputs, outputs, and constraints
- Identify and eliminate bottlenecks in throughput, quality, reliability, and equipment performance
- Apply advanced mechanical or chemical engineering principles to optimize process efficiency, safety, and scalability
- Translate experimental data into actionable engineering decisions and long-term production solutions
- Develop and maintain high-quality technical documentation, including process flow diagrams, equipment specs, and SOPs
- Provide technical mentorship to other engineers and foster a culture of excellence in production and process engineering
- Partner with leadership to define capital plans, facility upgrades, and infrastructure expansion based on process needs
- Ensure strict adherence to safety, quality, and environmental standards as systems scale
Qualifications:
- Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a related discipline (Master’s or PhD preferred)
- 7–10+ years of experience in process engineering, pilot-scale production, or advanced manufacturing
- Proven track record leading the scale-up of complex mechanical or chemical processes from benchtop to pilot and beyond
- Deep knowledge of production system design, operations, and process optimization in high-complexity environments
- Experience with critical metals, high-temperature systems, electrochemical, or chemical processing preferred
- Hands-on expertise with industrial equipment, instrumentation, process controls, and safety systems
- Exceptional analytical, communication, and leadership skills, with the ability to influence at all levels
- Passion for clean technology, sustainable manufacturing, and solving big industrial challenges
We offer a competitive compensation package that is based on expertise. We also offer the following 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.
At Phoenix Tailings, we have an open culture that values learning, and we are looking to grow the team with enthusiastic individuals who share our vision of sustainable mining.
Phoenix Tailings, Inc. is an Equal Opportunity Employer, and we value diversity at all levels. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age, disability or genetic information, or any other applicable protected characteristics, and these characteristics will not be a factor for consideration of any work-related decisions (including but not limited to hiring, firing, compensation, and discipline).
Similar Jobs
Healthtech • Information Technology • Security • Software • Cybersecurity
Senior Solutions Engineer provides pre-sales technical leadership: discovery, customized demos, and proof-of-concept evaluations; authors SOWs, responds to RFI/RFPs, enables channel partners, and transitions accounts to services. Works with sales teams to meet territory revenue goals and requires up to 50% travel.
Top Skills:
Active DirectoryAzureAzure Virtual DesktopCitrixDnsEnterprise Saas SecurityEntra IdGCPHTTPIdentity ManagementLdapMicrosoft Terminal ServicesWindowsMtireNistSingle Sign-OnSmtpVmware ViewVmware Workstation
Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy
Lead a CI/CD/IDP engineering team to improve release velocity, security, and compliance. Own Secure SDLC, software supply chain controls, GitOps-driven pipelines, developer self-service, pipeline performance/FinOps, and alignment with audits (FedRAMP/SOC 2). Mentor engineers, set roadmap, and deliver audit-ready release processes at scale.
Top Skills:
Artifact SigningBackstageCi/CdCloud PlatformsGitopsGoInfrastructure As CodeInternal Developer PlatformsJavaJavaScriptPythonSastSbomScaSecrets Detection
Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
Obtain blood and non-blood specimens (venipuncture, finger/heel sticks, urine, swabs), accession and process specimens, perform basic/waived testing, maintain records and supplies, support patient check-in and lab clerical tasks, follow safety/PPE protocols, and occasionally cover other sites on a per-diem basis.
Top Skills:
Electronic Medical Records (Emr)Lab Information Systems (Lis)
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
