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Mining Sampler Jobs in California (NOW HIRING)

MP Materials Corp.

Metallurgy Technician

Mountain Pass, CA · On-site

$32.53 - $40.34/hr

Experience in laboratory sample preparation, wet chemistry, or mineral processing tests. * College-level coursework in chemistry, geology, mining, or materials engineering. * Associate or bachelor ...

Castle Mountain Mine

... specific mining laws. This role assists the Sr Environmental Engineer to perform a variety of technical fieldwork associated with environmental equipment operation, sampling, monitoring, and ...

XPENG

Staff Machine Learning Engineer

Santa Clara, CA · On-site

Design and execute model training experiments, including data sampling, augmentation, loss tuning, class imbalance handling, and hard-case mining. * Build and maintain evaluation pipelines for TSR ...

XPENG

Staff Machine Learning Engineer

Santa Clara, CA · On-site

Design and execute model training experiments, including data sampling, augmentation, loss tuning, class imbalance handling, and hard-case mining. * Build and maintain evaluation pipelines for TSR ...

Western Mesquite Mines

Metallurgist

Brawley, CA

$102K - $117K/yr

Equinox Gold is a growth-focused Canadian mining company operation in the Americas, with projects ... Work with the Process Superintendent to ensure metallurgical samples meet required parameters (pH ...

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Mining Sampler information

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$23

$61

How much do mining sampler jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for mining sampler in California is $23.58, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $20.62 per hour, depending on experience, location, and employer.

What is a mining sampler?

A Mining Sampler is responsible for collecting and analyzing ore, rock, soil, and other geological materials from mining sites. Their work helps determine the quality and composition of mined materials, guiding extraction and processing decisions. They use specialized tools to gather samples, follow safety protocols, and may assist in documenting and reporting findings. This role is critical in ensuring efficient and profitable mining operations.

What skills and qualifications are needed to be a mining sampler?

To excel as a Mining Sampler, you need a solid understanding of geology, sampling techniques, and attention to safety, often supported by a high school diploma or relevant vocational training. Familiarity with field sampling equipment, GPS devices, and laboratory analysis tools is important, and some sites may require certifications in mine safety or hazardous materials handling. Strong observational skills, attention to detail, and clear communication help you collect accurate samples and report findings effectively. These skills are critical for ensuring the quality of mineral data, maintaining safety standards, and supporting efficient mining operations.

What does a mining sampler do, and what is the work environment like?

As a Mining Sampler, your day typically involves traveling to designated sampling sites within mines or on the surface, collecting material samples according to strict protocols, and ensuring all samples are properly labeled and documented. You may work both indoors in laboratory settings and outdoors in varying weather conditions, sometimes in remote or rugged locations. The role often requires collaboration with geologists, engineers, and laboratory technicians to ensure the quality and accuracy of samples. Safety is a major focus, so adherence to protocols and personal protective equipment is essential. Overall, it's a hands-on job ideal for individuals who enjoy fieldwork and contributing to the core functions of mining operations.

What are popular job titles related to Mining Sampler jobs in California?

For Mining Sampler jobs in California, the most frequently searched job titles are:

What job categories do people searching Mining Sampler jobs in California look for?

The top searched job categories for Mining Sampler jobs in California are:

Mining Sampler jobs near you
Infographic showing various Mining Sampler job openings in California as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, 2% Temporary, 2% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $49,053 per year, or $23.6 per hour.

Senior Staff TLM, Data Mining and Sampling for ML and Evaluation

Waymo

Mountain View, CA • On-site

$281K - $356K/yr

Full-time

Re-posted 21 days ago

Job description

Waymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver-The World's Most Experienced Driver™-to improve access to mobility while saving thousands of lives now lost to traffic crashes. The Waymo Driver powers Waymo's fully autonomous ride-hail service and can also be applied to a range of vehicle platforms and product use cases. The Waymo Driver has provided over ten million rider-only trips, enabled by its experience autonomously driving over 100 million miles on public roads and tens of billions in simulation across 15+ U.S. states.
The Waymo Driver is performing well in more and more cities, with our scale rapidly accelerating. Our team's job is to ensure that we can continue to evaluate safety and service quality across new cities and countries, each with their unique challenges. We need an experienced, technically hands-on engineering manager with strong quantitative skills to lead a small team and work with partners to scale eval and ML development by exploring new methods and delivering tools for mining and sampling data.In this hybrid role, you will report to a Senior Staff manager.
You will:
  • Develop tools for easy mining of novel situations that might impact safety from our driving logs for use in evaluation and ML datasets, using a mixture of ML and structured data
  • Advanced sampling techniques and tuning of simulations to get strong signal for metrics and models from our datasets
  • Build automation for our mining and sampling ecosystem so Waymo can rapidly scale to new cities
  • Make hands-on technical contributions to both engineering and data science-oriented projects
  • Provide strong management and technical leadership for a small team of data science-friendly engineers
  • Partner with leads and teams across Waymo to determine and execute on strategy, including product, engineering, data science, frontend, and backend

You have:
  • Strong engineering design and programming skills
  • Strong data fluency and analysis skills
  • Familiarity with statistical methods including hypothesis testing, experiment design, and sampling
  • Familiarity with foundational and contemporary ML concepts and practices
  • Experience managing teams of up to 8 people
  • BS/MS in Computer Science, Robotics, Statistics, Physics, Math, or other quantitative area
  • 7+ years of industry experience with:
    • C++, SQL, and Python experience
    • Navigating and modifying a large code base containing C++, SQL, and Python
    • Building data processing pipelines

We prefer:
  • Eval experience, such as building and validating metrics to measure quality in complex systems
  • Strong statistical background (MSc-level stats or similar expertise from work experience)
  • Strong ML background (MSc-level ML or similar expertise from work experience)
  • Experience working in the AV industry and/or with simulations

The expected base salary range for this full-time position across US locations is listed below. Actual starting pay will be based on job-related factors, including exact work location, experience, relevant training and education, and skill level. Your recruiter can share more about the specific salary range for the role location or, if the role can be performed remote, the specific salary range for your preferred location, during the hiring process.
Waymo employees are also eligible to participate in Waymo's discretionary annual bonus program, equity incentive plan, and generous Company benefits program, subject to eligibility requirements.
Salary Range
$281,000-$356,000 USD

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