Metallurgical Engineer Jobs for OPT Students
Metallurgical Engineer jobs on OPT are available across aerospace, automotive, steel production, and defense industries. Most roles require a materials science or metallurgy degree, which maps cleanly to specialty occupation requirements. STEM OPT extension eligibility gives you up to three years of work authorization to build U.S. industry experience.
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Get Access To All JobsINTRODUCTION
Founded in 2019, Brimstone is an innovative industrial startup with a proprietary, efficient, and deeply decarbonized process for producing Ordinary Portland Cement. We’re now growing our all-star team of sharp, mission-driven, collaborative professionals as we continue to refine our process and move towards construction of our first production facilities.
ROLE OVERVIEW
We are seeking a hands-on Extractive Metallurgist to join our R&D organization in a lab-intensive, experimental role. This position is ideal for someone who thrives in the lab, enjoys getting their hands dirty, and wants to work closely with junior engineers and technicians to advance extractive metallurgy processes at bench and pilot scale. This is not a process design or desk-based role. The first 6–12 months will be heavily focused on experimental lab work.
KEY RESPONSIBILITIES
- Design and execute bench-scale and laboratory experiments in extractive metallurgy
- Perform hands-on experimental work involving:
- Hydrometallurgical processes (leaching, precipitation, solvent extraction, etc.)
- Pyrometallurgical processes (thermal treatment, roasting, smelting concepts, etc.)
- Work closely with junior engineers and technicians, providing technical guidance and day-to-day mentorship
- Develop, document, and analyze experimental results; iterate rapidly based on findings
- Support early-stage R&D programs rather than downstream process optimization
- Maintain lab equipment, ensure safe lab practices, and contribute to experimental setup and teardown
- Collaborate with cross-functional teams to translate experimental insights into development pathways
REQUIRED QUALIFICATIONS
- PhD in Metallurgical Engineering, Materials Science, or a closely related field
- Strong academic and/or professional focus in Extractive Metallurgy
- Demonstrated R&D laboratory experience with significant hands-on experimental work
- Deep technical background in Hydrometallurgy and/or Pyrometallurgy
- Comfortable working in a highly experimental, lab-driven environment
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Our Commitment to Diversity
Brimstone is an equal opportunity employer committed to diversity, equity, inclusion, and belonging in the workplace. We seek to build a unique team of individuals and create an environment where all backgrounds and experiences are respected and appreciated. We credit our success to the values that we uphold, and to the different perspectives each team member brings every day. We would never intentionally discriminate on the basis of race, color, ancestry, religion, national origin, sex, gender identity or expression, sexual orientation, age, marital status, disability status, pregnancy, veteran status, or any other status protected by federal or state law.
We strive to provide an inclusive candidate experience. If there are any reasonable accommodations that you may need during the interview process, please let us know.
INTRODUCTION
Founded in 2019, Brimstone is an innovative industrial startup with a proprietary, efficient, and deeply decarbonized process for producing Ordinary Portland Cement. We’re now growing our all-star team of sharp, mission-driven, collaborative professionals as we continue to refine our process and move towards construction of our first production facilities.
ROLE OVERVIEW
We are seeking a hands-on Extractive Metallurgist to join our R&D organization in a lab-intensive, experimental role. This position is ideal for someone who thrives in the lab, enjoys getting their hands dirty, and wants to work closely with junior engineers and technicians to advance extractive metallurgy processes at bench and pilot scale. This is not a process design or desk-based role. The first 6–12 months will be heavily focused on experimental lab work.
KEY RESPONSIBILITIES
- Design and execute bench-scale and laboratory experiments in extractive metallurgy
- Perform hands-on experimental work involving:
- Hydrometallurgical processes (leaching, precipitation, solvent extraction, etc.)
- Pyrometallurgical processes (thermal treatment, roasting, smelting concepts, etc.)
- Work closely with junior engineers and technicians, providing technical guidance and day-to-day mentorship
- Develop, document, and analyze experimental results; iterate rapidly based on findings
- Support early-stage R&D programs rather than downstream process optimization
- Maintain lab equipment, ensure safe lab practices, and contribute to experimental setup and teardown
- Collaborate with cross-functional teams to translate experimental insights into development pathways
REQUIRED QUALIFICATIONS
- PhD in Metallurgical Engineering, Materials Science, or a closely related field
- Strong academic and/or professional focus in Extractive Metallurgy
- Demonstrated R&D laboratory experience with significant hands-on experimental work
- Deep technical background in Hydrometallurgy and/or Pyrometallurgy
- Comfortable working in a highly experimental, lab-driven environment
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Our Commitment to Diversity
Brimstone is an equal opportunity employer committed to diversity, equity, inclusion, and belonging in the workplace. We seek to build a unique team of individuals and create an environment where all backgrounds and experiences are respected and appreciated. We credit our success to the values that we uphold, and to the different perspectives each team member brings every day. We would never intentionally discriminate on the basis of race, color, ancestry, religion, national origin, sex, gender identity or expression, sexual orientation, age, marital status, disability status, pregnancy, veteran status, or any other status protected by federal or state law.
We strive to provide an inclusive candidate experience. If there are any reasonable accommodations that you may need during the interview process, please let us know.
How to Get Visa Sponsorship as a Metallurgical Engineer
Target industries with high OPT hiring rates
Aerospace, automotive, and defense manufacturers regularly hire Metallurgical Engineers on OPT. These sectors file Labor Condition Applications consistently and are familiar with F-1 work authorization, making them more likely to sponsor H-1B down the line.
Verify your degree field matches the job posting
Metallurgical Engineer roles qualify as specialty occupations when the employer requires a degree in metallurgy, materials science, or a closely related field. If the posting says any engineering degree is acceptable, that can weaken your specialty occupation case.
Apply before your OPT start date whenever possible
Many manufacturers have long hiring timelines. Applying two to three months before your OPT authorization begins gives employers enough runway to process paperwork and get comfortable with your start date.
Research employers' prior visa sponsorship history
Companies that have filed H-1B petitions for materials or manufacturing engineers before are significantly more likely to do so again. Checking public Labor Condition Application disclosure data helps you prioritize applications strategically.
Emphasize specialized technical skills in your application
Competencies like failure analysis, SEM characterization, alloy development, and corrosion testing are difficult to source domestically. Highlighting niche technical expertise signals value that justifies the administrative effort of OPT and future sponsorship.
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Get Access To All JobsFrequently Asked Questions
Do Metallurgical Engineer jobs qualify for the STEM OPT extension?
Yes. Metallurgical Engineering degrees from ABET-accredited programs are on the official STEM Designated Degree Program list, which means you're eligible for the 24-month STEM OPT extension on top of your initial 12 months. You'll need an employer who meets E-Verify requirements and signs a formal training plan on Form I-983.
Do employers in manufacturing and aerospace typically sponsor OPT students for Metallurgical Engineer roles?
Many do, particularly large manufacturers in aerospace, defense, and steel production that have established immigration processes. Smaller fabrication shops may be less familiar with OPT compliance requirements. Focusing your search on employers with prior visa sponsorship history improves your odds significantly. Migrate Mate filters job listings by OPT sponsorship, so you can identify these employers directly.
Does a Metallurgical Engineer role qualify as a specialty occupation for future H-1B sponsorship?
Metallurgical Engineer is strongly positioned as a specialty occupation because the role theoretically and practically requires a bachelor's degree or higher in metallurgy, materials science, or a closely related engineering field. USCIS has historically approved H-1B petitions for this role. The key is ensuring the job description and employer requirements clearly reflect that degree-level knowledge is necessary to perform the duties.
Can I work as a Metallurgical Engineer at a government contractor or defense facility on OPT?
Yes, with some planning. OPT authorizes you to work for any employer in your field, including government contractors. However, some defense roles require security clearances that non-U.S. citizens cannot obtain. Focus on roles where clearance is preferred but not required, or where the contractor has civilian-facing projects. The job posting will typically state clearance requirements explicitly.
What happens if there is a gap between my OPT jobs as a Metallurgical Engineer?
F-1 students on OPT are allowed an aggregate unemployment period of 90 days during the initial 12-month authorization, reduced to 60 days during the STEM extension. Unemployment is tracked from your OPT start date, not from individual job end dates. Staying proactive about your job search and documenting any training, research, or consulting work can help demonstrate continuous engagement in your field.
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