Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

2.6. Chemical Development Engineer I

$70k - $100k

Phoenix Tailings

Job Description

Job Description

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. We are seeking a Junior Chemical Engineer to join our dynamic team and contribute to the design, development, and optimization of innovative critical metals production systems.

 

Why Phoenix Tailings:

At Phoenix, 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 looking for a Development Engineer I with a strong technical foundation and a desire to apply their knowledge to solving real-world process challenges in critical metals recovery. In this role, you’ll support the design, execution, and analysis of rare earth element processing technologies and contribute to building out the technical infrastructure that enables the future of clean manufacturing. This position is ideal for someone with early-career experience or a strong academic background in chemical process engineering, including working with mass and energy balances, PFDs, and P&IDs. 

 

This pay range reflects the expected compensation for this role and may vary based on experience and qualifications.

 

Salary Range: $70,000/year- $100,000/year

Key Responsibilities:
  • Design and execute laboratory-scale experiments across the rare earth extraction and metallization process flowsheet 
  • Build and validate process models including comprehensive mass and energy balances 
  • Optimize chloride leaching, dissolution, and filtration operations to improve efficiency and product quality 
  • Support the development of advanced separation techniques for REE purification and concentration 
  • Develop robust precipitation processes for conversion of rare earth chlorides into high-purity oxides 
  • Contribute to early-stage metallization process R&D for converting oxides into individual rare earth metals 
  • Analyze experimental data and use findings to drive iterative improvements to the process 
  • Specify and evaluate equipment required for pilot and commercial-scale implementation 
  • Document all research procedures, findings, and recommendations with technical precision 
  • Ensure all experiments and development efforts align with EH&S and sustainability standards 
Qualifications:
  • B.S. in Chemical Engineering, Metallurgical Engineering, Materials Science, or a related field 
  • 1–3 years of experience in chemical or metallurgical process development (internships and co-op experience welcome) 
  • Familiarity with mass and energy balances, process modeling, and basic process calculations 
  • Experience interpreting or developing PFDs and P&IDs 
  • Hands-on experience with laboratory or pilot-scale chemical equipment 
  • Comfortable using tools for data analysis and reporting (Excel, Python, or similar) 
  • Solid communication skills and ability to clearly document technical work 
  • Familiarity with rare earth chemistry or hydrometallurgy is a plus 
  • Driven by curiosity, mission, and a desire to help solve one of the most important resource challenges of our time 
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. 

We offer a competitive compensation package based on expertise, including healthcare coverage (100% medical, dental, and vision), stock ownership, parental leave, flexible vacation policy, learning and development opportunities, and a great team culture that values making a difference and encourages results-focused work. At Phoenix Tailings, we have an open culture that values learning and growth, and we are looking for 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, genetic information, or any other applicable protected characteristics. These characteristics will not be a factor for consideration of any work-related decisions, including but not limited to hiring, firing, compensation, and discipline.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Vacancy posted 12 days ago
Similar jobs that could be interesting for youBased on the 2.6. Chemical Development Engineer I in Burlington, MA vacancy
  •  ...including read-and-understood, skills development, and classroom training...  ...2550 lbs and stand for up to 6 hours in a production suite....  ...platforms. Ability to work around chemicals including alcohols, acids, and...  ...subject to applicable law. 1st Shift 6:00am-2:30pm Anika
    Suggested
    Full time
    Immediate start
    Flexible hours
    Day shift

    Anika

    Bedford, MA
    21 hours ago
  • $20 - $27 per hour

     ...technology. The Billerica Research & Development team is thriving and growing...  ...for performing day to day chemical/fabrication processes in a...  ...research scientists and engineers Interface with electronic...  ...High School Diploma with 6 months to 2 years of work experience... 
    Suggested
    Hourly pay
    Work experience placement
    Work at office
    Worldwide
    Flexible hours

    E Ink

    Nutting Lake, MA
    2 days ago
  • $120k - $160k

     ...Are Looking For   Phoenix Tailings is looking for a Senior Chemical Engineer with experience designing and scaling chemical processes...  ...mining or metallurgical systems. In this role, you will lead the development of separation and treatment strategies that enable the... 
    Suggested

    Phoenix Tailings

    Burlington, MA
    12 days ago
  • $70k - $100k

     ...We Are Looking For:   Phoenix Tailings is looking for a Chemical Engineer I with a strong foundation in hydrometallurgy and wet chemistry...  ...Generate high-quality experimental data to support process development, optimization, and scale-up decisions  Support equipment... 
    Suggested

    Phoenix Tailings

    Burlington, MA
    12 days ago
  •  ...Manufacturing Technician 2 | Chelmsford, Massachusetts, United...  ...- Operate and monitor chemical batch manufacturing equipment...  ...working rotating night shifts (6:00 pm - 6:30 am, every other...  ...with opportunities for skill development How to Apply Ready to advance... 
    Suggested
    Contract work
    Work at office
    Night shift
    Rotating shift
    Weekend work

    Indotronix International Corporation

    Chelmsford, MA
    1 day ago
  • Manufacturing Technician 2 Chelmsford, MA Work Shift 6:00 pm to 6:30 am Rotating Every Other Weekend 2-2-3 rotating day shift schedule (4...  ...equipment, according to written SOP's/UOP's in a large-scale, chemical batch manufacturing process. Performs and trains new... 
    Work experience placement
    Work at office
    Monday to Friday
    Shift work
    Rotating shift
    Day shift

    Integrated Resources

    Chelmsford, MA
    2 days ago
  •  ...Paid Materials Chemistry/Chemical Engineering Intern – Location: Waltham, MA – Part or Full Time:...  ...Folia’s POU Water Filters are on‑sale at 2,500 grocers in Bangladesh. Folia’s paper...  ...records and reports of product development activities is preferred We Offer You Professional... 
    Full time
    Part time
    Work experience placement
    Internship
    Local area

    Folia Materials

    Waltham, MA
    4 days ago
  • $84.9k - $127.3k

     ...Product Validation Engineer 2 Work Your Magic with us! Start your next chapter and join...  ...participate on filtration product development teams to understand the new product and...  ...Qualifications: ~ Bachelor's degree in Chemical Engineering, Biomedical Engineering,... 

    EMD Group

    Bedford, MA
    1 day ago
  • $60k - $80k

     ...generation of our economy. We are seeking a Junior Chemical Engineer to join our dynamic team and contribute to the design, development, and optimization of innovative critical...  ...aligned with EHS standards  Qualifications: ~2+ years of hands-on experience in chemical... 
    Flexible hours
    Night shift

    Phoenix Tailings

    Burlington, MA
    12 days ago
  • $10k

     ...Job Description - Materials Manufacturing Engineer III (340495) Job Number 340495 Who We Are...  ...from day one to fuel your growth. Talent development is a big part of who we are. Don't just...  ...Fridays off work! Paid Time Off: Enjoy over 6 weeks of total paid time off (PTO) that... 
    Temporary work
    Casual work
    Work at office
    Flexible hours

    Cessna

    Wilmington, MA
    3 days ago
  • $20 - $25 per hour

     ...Massachusetts Category: Manufacturing Salary: Apply for details Country: United States Employment: Contract Worksite: On-Site 1st shift: M-F 6 am – 2:30 pm Job Description Daily production of Lava embolic subassemblies and final product. Other duties as assigned. Qualifications... 
    Contract work
    Day shift

    Planet Pharma

    Wilmington, MA
    4 days ago
  • $90k - $130k

     ...Phoenix Tailings is looking for a Chemical Process Engineer II who is excited to solve some of the...  ...role, you’ll focus on supporting the development, optimization, and scale-up of solvent...  ...Metallurgical Engineering, or related field with 2–5 years of relevant industry... 
    Work at office
    Flexible hours

    Phoenix Tailings

    Burlington, MA
    12 days ago
  • $72.08k - $108.12k

     ...Responsibilities Assembly & Build Perform mechanical, electrical, and optical assembly of semiconductor equipment and subassemblies. Interpret engineering drawings, schematics, BOMs, and work instructions. Support integration of major subsystems (motion stages, optics, EFEMs,... 
    Permanent employment

    Onto Innovation

    Wilmington, MA
    3 days ago
  •  ...gauges). # Troubleshoot machining issues and collaborate with engineering or maintenance teams to resolve problems. # Maintain...  ...Ability: Ability to monitor machine sounds to identify and diagnose changes in order to take appropriate action 6:00AM - 2:45PM EST
    Work at office

    Boston Centerless

    Woburn, MA
    21 hours ago
  • $82.3k - $220k

     ...independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle...  ...space exploration to biomedical engineering, lives often depend on the...  ...Biology, Mechanical Engineering, Chemical Engineering, Physics or related... 
    Full time
    Work at office
    Local area
    Shift work

    Inuplands

    Cambridge, MA
    3 days ago
  •  ...support project and organizational needs. Qualifications M.S. or Ph.D. in Immunology, Cell Biology, Pharmacology, or related field with 2-5 years of relevant experience (CRO/biotech preferred). Proven hands-on experience with multicolor flow cytometry (≥10-color panels)... 
    Full time

    MEDICILON USA CORP

    Lexington, MA
    1 day ago
  • $130k

     ...Senior Product Development Engineer – Manufacturing & Process Billerica, MA - US Citizens only Gabriele & Company is working with an established manufacturer of custom engineered systems and precision mechanical assemblies serving the aerospace, defense, alternative energy... 
    Immediate start

    Gabriele & Company

    Billerica, MA
    3 days ago
  • Senior Scientist / Skin Tissue Engineering Cambridge, MA WHO WE ARE ODDITY is a consumer tech...  .../MS in Bioengineering or Biology with 6+ years of industry experience, with a proven...  ...your team’s personal and professional development while delivering strong performance. You... 
    Work at office
    Shift work

    Oddity Labs, Llc.

    Cambridge, MA
    1 day ago
  • $120k - $160k

     ...Tailings is looking for a Senior Process Engineer with deep experience scaling mining or...  ...foundational to Phoenix Tailings’ transition from development-stage technology to full commercial...  ...: ~ Bachelor’s or Master’s degree in Chemical Engineering, Metallurgical Engineering,... 

    Phoenix Tailings

    Burlington, MA
    12 days ago
  • $28 - $40 per hour

     ...our clients. We provide process development, produce GMP viral vectors,...  ...collaboration with MSAT, QC, QA, Engineering and Validation. With...  ...requires a high school diploma and 2-4 years related cGMP industry...  ...plan with company match up to 6% of salary ~ Share Appreciation... 
    Hourly pay
    Work experience placement
    Flexible hours
    Shift work
    Day shift

    Genezen

    Lexington, MA
    4 days ago
  • $25 per hour

     ...) 3rd shift - Sunday - Thursday 10:00pm to 6:30am Responsibilities Your afternoon...  ...of ambiguity Ability to engage closely with engineers to communicate daily production needs and...  ...production floor Ability to lift 50lbs with 2 hands Ability to stoop, kneel, crouch and/... 
    Permanent employment
    Contract work
    Shift work
    Night shift

    Nesco Resource

    Burlington, MA
    1 day ago
  • $206k - $284k

     ...realize the value, the team develops both engineering and operational prototypes to...  ...and leadership skills Drive business development initiatives and support proposal writing...  ...and verification of system performance ~2+ years experience in two or more of the... 
    Full time
    For subcontractor
    Local area
    Immediate start
    Night shift

    STR

    Woburn, MA
    12 days ago
  • $105k - $130k

     ...our clients. We provide process development, produce GMP viral vectors,...  ...Process Development, Manufacturing, Engineering, Quality, and Regulatory...  ...ON-THE-JOB EXPERIENCE 3-6 (BS) or 1-4 (MS) years of relevant...  ...~10 observed holidays + 2 floating holiday + 1 volunteer... 
    Live in
    Visa sponsorship
    Flexible hours

    Genezen

    Lexington, MA
    23 days ago
  •  ...Leveraging over a decade of innovation, we have engineered a novel neural interface using microscale,...  ..., or equivalent hands‑on experience. ~2–5 years as a manufacturing/assembly...  ...contamination control). Lean Manufacturing or 6 Sigma training. What we offer Mission‑driven... 
    Worldwide
    Flexible hours

    Neurobionics

    Somerville, MA
    2 days ago
  • $102.5k - $113.5k

    Title: Senior Process Development Scientist III Date: Mar 27, 2026 Company: Sun Pharmaceutical...  ...to noise, hazardous and non-hazardous chemicals, syringes and needles, toxic metals Physical...  ...field required Experience Minimum 4-6 years related experience preferred Able... 
    For contractors
    Work at office
    Flexible hours

    Sun Pharmaceutical Industries, Inc.

    Billerica, MA
    3 days ago
  • $84.3k - $104.2k

     ...treatments. We do this by following the science, applying a novel rapid development approach, making innovative medicines at fair and reasonable...  ...in use, and identify any safety risks. Requirements: #2 - 5 Years of industry experience with a minimum of HS Diploma.... 
    Full time
    Work at office
    Local area
    Flexible hours

    Ultragenyx Pharmaceutical

    Bedford, MA
    2 days ago
  • $70k - $90k

     ...our clients. We provide process development, produce GMP viral vectors,...  ...Genezen is hiring for an Automation Engineer in our Lexington, MA office....  ...ON-THE-JOB EXPERIENCE 2-8+ years relevant experience...  ...plan with company match up to 6% of salary ~ Share Appreciation... 
    Live in
    Work at office
    Visa sponsorship

    Genezen

    Lexington, MA
    20 days ago
  • $110k - $135k

     ...n \n This role generally requires 4 days onsite per week.  \n \n \n   \n \n \n What You’ll Do   \n \n \n As a Sr.  Process Engineer, Delivery , you will work on engineering efforts enabling the delivery of high-performance, high-quality parts to JCI’s customers... 
    Work experience placement

    Johnson Controls

    Burlington, MA
    25 days ago
  • $140k - $180k

     ...seeking a visionary Principal Production Engineer to take ownership of the scale-up and...  ...production systems, lead critical process development efforts, and directly influence how lab-...  ...performance Apply advanced mechanical or chemical engineering principles to optimize... 
    Work at office
    Flexible hours

    Phoenix Tailings

    Burlington, MA
    12 days ago
  • $97k - $162k

     ...n   \n \n \n What You’ll Do   \n \n \n As a  Sr. Process Engineer, New Product Introduction , you will work on engineering efforts...  ...teams that blend hardware, software, and manufacturing development. \n \n \n \n \n ~\n A "get it done" attitude, demonstrating... 
    Immediate start
    Flexible hours
    Shift work

    Johnson Controls

    Burlington, MA
    25 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to 2.6. Chemical Development Engineer I. Be the first to apply!