San Francisco, California, United States · On-site
$40/hr–$50/hr
About Mariana Minerals Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the…
Skills: Chemical processing, Pilot plant operations, Equipment installation, Troubleshooting, Mechanical repairs
San Francisco, California, United States · On-site
JOB SUMMARY Responsible for attraction recovery, preventive and corrective maintenance, troubleshooting, and repair of Universal Kids Resort attractions, show and water play areas. Responsible for troubleshooting all rid…
Skills: Preventive maintenance, Corrective maintenance, Troubleshooting, Mechanical repair, Hydraulic systems
San Francisco, California, United States · On-site
About the Role We're looking for a Manufacturing Design Engineer to own the ongoing quality and process health of our Gen 1 product. This role is end-to-end: you identify the problem, run the failure analysis, design the…
Skills: Mechanical Engineering, Failure Analysis, Injection Molded Plastics, Sheet Metal, Production Tooling
San Francisco, California, United States · On-site
$150k–$215k/yr
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— lar…
Skills: Hardware-in-the-loop (HITL), Python, Linux, Embedded Systems, Circuit Debugging
San Francisco, California, United States · On-site
$150k–$215k/yr
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— lar…
Skills: Hardware Integration, HITL Testbeds, Python, Linux, Embedded Systems
San Francisco, California, United States · Remote Solely
$25/hr–$40/hr
Job Overview Reliable Forklift Sales is a leading distributor of machinery and equipment, specialising in the sales, rentals, and service of forklifts and other material handling products. With a strong presence across N…
Skills: Video editing, Adobe Premiere Pro, Final Cut Pro, DaVinci Resolve, Adobe After Effects
San Francisco, California, United States · On-site
$34/hr–$44/hr
Founded in 1985, ATS is a company with a presence in the United States, Mexico and the United Kingdom. We are professionals in Industrial Maintenance and we make factories run better. Fundada en 1985, ATS es una empresa …
Skills: Preventative maintenance, Break-fix maintenance, Electrical circuitry, Mechanical systems, Troubleshooting
San Francisco, California, United States · On-site
$150k–$215k/yr
Company Overview Echo Neurotechnologies is an exciting new startup in the Brain-Computer Interface (BCI) space, driving innovation through advanced hardware engineering and AI solutions. Our mission is to deliver cutting…
Skills: Mechanical Design, Rapid Prototyping, Injection Molding, Tolerance Stack-up Analysis, FEA
San Francisco, California, United States · On-site
$160k–$200k/yr
Company Overview Echo Neurotechnologies is an exciting new startup in the Brain-Computer Interface (BCI) space, driving innovation through advanced hardware engineering and AI solutions. Our mission is to deliver cutting…
Skills: Electrical Engineering, Design Verification Testing, Compliance Testing, Electromechanical Hardware Design, Data Analysis
San Francisco, California, United States · Hybrid
$163k–$203k/yr
Welcome to Planet. We believe in using space to help life on Earth. Planet designs, builds, and operates the largest constellation of imaging satellites in history. This constellation delivers an unprecedented dataset of…
Skills: Talent Operations, HR Operations, People Management, Greenhouse ATS, Process Design
San Francisco, California, United States · On-site
$105k–$165k/yr
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— lar…
Skills: Electronics testing, Python, PCBA design, Hardware validation, Electrical test equipment
San Francisco, California, United States · On-site
$105k–$165k/yr
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— lar…
Skills: Power electronics, Python, PCBA design, Electrical testing, Oscilloscopes
San Francisco, California, United States · On-site
$148k–$235k/yr
About Redwood Materials Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded …
Skills: Mechanical design, SolidWorks, Structural sizing, Mechanism design, Hardware fabrication
San Francisco, California, United States · On-site
$136k–$180k/yr
Biopharma Sales Executive – San Francisco About the Role The Biopharma Sales Executive will drive growth across biopharma accounts in North America. Acting as a technical sales specialist, this individual will collaborat…
Skills: Technical Selling, Account Planning, Consultative Sales, Relationship Management, NGS
San Francisco, California, United States · On-site
$36/hr–$40/hr
Service Technician/Mechanic - GSE/Diesel (San Francisco, CA) The opportunity TCR North America is growing fast, and we're looking for a skilled and motivated Service Technician/Mechanic – GSE/Diesel to join our San Franc…
Skills: Troubleshooting, Preventative maintenance, Corrective maintenance, Electrical systems, Hydraulic systems
San Francisco, California, United States · On-site
About Redwood Materials Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded …
Skills: Python, SQL, dbt, Dagster, Airflow
San Francisco, California, United States · On-site
$130k–$170k/yr
About the Company The datacenter buildout is the largest industrial project in human history. Gradient builds the autonomous robots that make it possible. Partnered with the world's largest AI infrastructure companies an…
Skills: Industrial automation, Electrical engineering, Instrumentation, Actuation, Power supply
San Francisco, California, United States · On-site
$100k–$131k/yr
Achieving our goals starts with supporting yours. Grow your career, access top-tier health and wellness benefits, build lasting connections with your team and our customers, and travel the world using our extensive route…
Skills: Metallurgy, Material Science, Heat Treating, Welding, Shot Peening
San Francisco, California, United States · Hybrid
Human Computer Lab is a research lab building character robots that feel alive and responsive. Our first robot, LeLamp, explores a new category of consumer robotics where everyday objects become interactive and help us r…
Skills: Supply Chain Management, Procurement, Manufacturing, BOM Management, Design for Manufacturability
San Francisco, California, United States · On-site
$84k–$109k/yr
Achieving our goals starts with supporting yours. Grow your career, access top-tier health and wellness benefits, build lasting connections with your team and our customers, and travel the world using our extensive route…
Skills: Metallography, Microstructure Analysis, Heat Treatment, Welding, Material Science
San Francisco, California, United States • On-site
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
The technician will operate and monitor chemical processes, including precipitation and filtration, while ensuring plant safety and equipment maintenance. They will also assist in the installation and commissioning of new equipment and maintain detailed operational documentation.
Candidates must have an associate degree or technical certificate and at least 3 years of experience in pilot plant or industrial equipment operations. Proficiency in plant safety protocols, HMI systems, and basic mechanical troubleshooting is required.
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Mariana Minerals is looking for a highly motivated technician to join our San Francisco Pilot Plant team. You will support the design, deployment, and operation of first-of-its-kind refining processes for critical minerals, while also supporting development of software for automated plant optimization. This position is highly hands-on and will play a critical role in bridging R&D and Operations, ensuring processes are robust, safe, cost-effective, and suitable for commercial production.
Assist engineers and other technicians to operate and monitor chemical processes such as precipitation, filtration, ion exchange, and membrane concentration.
Safely handle chemicals, raw materials, and waste streams in compliance with SOPs and regulations
Support sampling, quality checks, and basic laboratory measurements
Assist with design, install, startup, and commissioning of new equipment and processes
Take ownership of plant cleanliness and organization, ensuring work areas, tools, and equipment are well-maintained and ready for operations
Perform routine maintenance, inspections, and basic mechanical repairs; document findings & actions in a Computerized Maintenance Management System (CMMS)
Create and maintain procedures, experimental records, shift reports, and other critical operations documents
Weekend Days: Friday, Saturday, Sunday, and Monday 10 hours shifts: 6AM - 4PM
Associate degree, technical certificate, or equivalent experience in chemical technology, process technology, industrial operations, or a related field
3+ years of experience operating pilot plant or commercial scale industrial equipment in the minerals processing, chemicals, specialty materials, oil & gas, biotech, or similar industry
Prior exposure to core plant safety work processes such as Lockout/Tagout (LOTO), hot work permitting, confined space entry, and safe work permitting systems
Experience using human–machine interfaces (HMIs) and plant software systems to monitor, control, and adjust process operation
Experience with hands-on equipment installation, modification, and troubleshooting
Basic knowledge of inorganic chemistry, pH, and reaction stoichiometry a plus
Experience using engineering documents such as PFDs, control narratives, or P&IDs is a plus
Climb stairs, stand for extended periods of time, and safely lift up to 50 lbs
Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.
Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
Join us as we build the future of responsible mineral sourcing and supply.
Building a better minerals company
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
Offices: San Francisco, CA 94107, US · La Sal, UT 84530, US · 1400 Minnesota St, San Francisco, California 94107, US
Based on 471 listings with disclosed salaries, most manufacturing jobs in San Francisco, CA pay between $80k–$230k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 674 open manufacturing positions in San Francisco, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include OpenAI, Astranis Space Technologies, Otter, Atoms, Amerit Fleet Solutions, among others. Browse the listings above to see every active employer.
Yes — 149 of the 674 open manufacturing positions offer remote or hybrid work (26 remote, 123 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
