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 · Hybrid
$220k–$330k/yr
Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work…
Skills: Security engineering, SaaS security, API integrations, OAuth, eDiscovery
San Jose, California, United States · Hybrid
$169k–$277k/yr
The application window is expected to close on: 08/05/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. This is a hybrid role that can be performed …
Skills: Analog IC Design, Mixed-Signal IC Design, CMOS, FinFET, GAA Technologies
Diamond Bar, California, United States · On-site
$87k–$127k/yr
At Niagara, we’re looking for Team Members who want to be part of achieving our mission to provide our customers the highest quality most affordable bottled water. Consider applying here, if you want to: Work in an entre…
Skills: PLC programming, HMI design, Control systems, Automation design, Machine vision
Los Angeles, California, United States · On-site
$270k–$410k/yr
At Netflix, our mission is to entertain the world. Together, we are writing the next episode - pushing the boundaries of storytelling, global fandom and making the unimaginable a reality. We are a dream team obsessed wit…
Skills: Finance Technology, Workday, Oracle, SAP, NetSuite
Santa Clara, California, United States · On-site
$208k–$286k/yr
Who We Are Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design, build and service cutting-edge equipment that help…
Skills: Business development, Strategic planning, Market share analysis, Product development, Customer relationship management
Santa Clara, California, United States · On-site
$97k–$133k/yr
Who We Are Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design, build and service cutting-edge equipment that help…
Skills: Semiconductor equipment, Technical instruction, New product introduction, Mechanical troubleshooting, Electrical troubleshooting
Sunnyvale, California, United States · On-site
$114k–$171k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportuniti…
Skills: Engineering program management, Earned Value Management, Cost management, Schedule management, Technical performance
San Francisco, California, United States · Remote OK
$198k–$311k/yr
Overview Working at Atlassian Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and…
Skills: Data engineering, Data strategy, Data architecture, Data products, Team leadership
San Francisco, California, United States · On-site
What to expect This is a full-time on-site role located in San Francisco for a Distributed Systems Engineer, IoT. You will be responsible for scaling our MQTT infrastructure, owning major architecture decisions, and buil…
Skills: Distributed systems, IoT, MQTT, Cloud platform, Architecture
San Francisco, California, United States · Hybrid
$220k–$330k/yr
Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work…
Skills: Software engineering, Security engineering, Identity and access management, Secrets management, Privileged access
San Francisco, California, United States · On-site
About Broccoli At Broccoli, we're building AI teammates for the people who build and maintain our world. We partner with plumbing, HVAC, and electrical contractors, the hardworking businesses that keep homes and communit…
Skills: Software Engineering, Solutions Engineering, Forward Deployed Engineering, API Integrations, Production-quality Code
Irvine, California, United States · Remote OK
About Field AI Field AI is building risk-aware, reliable, and field-ready physical AI systems that enable autonomous robots to operate in the world's most challenging environments. Our technology is deployed across diver…
Skills: Enterprise Sales, B2B Sales, Strategic Relationship Management, Complex Deal Closing, Sales Pipeline Management
Irvine, California, United States · On-site
$130k–$200k/yr
FieldAI’s Irvine team is where embodied AI meets real robots, real sensors, and real field deployments. Based in the heart of Southern California’s robotics ecosystem, we build risk-aware, reliable, field-ready AI system…
Skills: Project management, Strategic execution, Budget management, Resource management, Cross-functional leadership
Anaheim, California, United States · Hybrid
$28/hr–$33/hr
Job Description: Pool Regional Technical Support Specialist – Southern California At Pentair, you will work alongside passionate problem-solvers who are committed to the future of our planet. We put our mission into prac…
Skills: Technical Support, Troubleshooting, Customer Service, Problem Solving, Technical Communication
San Jose, California, United States · Hybrid
$231k–$382k/yr
The application window is expected to close on: 08/31/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. This role is hybrid in San Jose, California.…
Skills: Semiconductor Reliability, Hardware Design Validation, HTOL, Burn-In Testing, JEDEC Standards
San Jose, California, United States · On-site
$211k–$351k/yr
The application window is expected to close on: 08/31/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Meet the Team Join the Cisco Silicon One tea…
Skills: Engineering Leadership, ASIC Simulation, C, C++, System Verilog
Hayward, California, United States · On-site
$26/hr–$41/hr
Are you looking to power the next leap in the exciting world of advanced electronics? Do you want to help solve problems that drive success in the rapidly evolving technology and connectivity landscape? Then bring your p…
Skills: Quality Control, Reliability Techniques, Process Reengineering, Quality Audits, Technical Support
Berkeley, California, United States · On-site
$165k–$190k/yr
About Rigetti Rigetti Computing is building the world’s most powerful computers to help solve humanity’s most pressing problems. Our quantum computing technology has the potential to transform nearly every industry over …
Skills: Quality Engineering, Quality Management System, Incoming Quality Control, Precision Machining, PCBA
San Francisco, California, United States · On-site
$206k–$259k/yr
The application window is expected to close on: 08/14/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received. Candidate must reside or be willing to reloc…
Skills: Enterprise Networking, Data Center, Collaboration, Security, Automation
San Francisco, California, United States • On-site
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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 27477 listings with disclosed salaries, most engineering jobs in California pay between $101k–$243k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 38,993 open engineering positions in California listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Northrop Grumman, Northrop Grumman Mission Systems, Inc., Apple, Google, Applied Materials, among others. Browse the listings above to see every active employer.
Yes — 9322 of the 38993 open engineering positions offer remote or hybrid work (1846 remote, 7476 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.
