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Chief Assayer Jobs (NOW HIRING)

ASARCO LLC

Chief Geologist

Sahuarita, AZ · On-site

The Chief Geologist leads all mine-site geological activities for a high-tonnage open-pit, Cu ... Own short-range ore control: manage blasthole sampling and assay QAQC (CRMs, blanks, duplicates ...

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Chief Assayer information

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$33K

$124.4K

$200.5K

How much do chief assayer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for chief assayer in the United States is $124,409.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,000.00 and $146,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Chief Assayer, and why are they important?

To thrive as a Chief Assayer, you need a solid background in chemistry, metallurgy, and analytical techniques, usually supported by a relevant science degree and extensive laboratory experience. Familiarity with advanced instrumentation such as atomic absorption spectrometers, ICP-OES, and proficiency with quality management systems like ISO 17025 are essential. Strong leadership, attention to detail, and effective communication are crucial soft skills for managing teams and ensuring accurate reporting. These skills ensure the integrity and reliability of assay results, which are critical for operational decisions in mining and metals industries.

What are some of the primary challenges faced by a Chief Assayer when overseeing a laboratory team?

A Chief Assayer often faces the challenge of maintaining consistent quality and accuracy in assay results while managing a diverse laboratory team. Balancing the demands of production schedules with strict regulatory and safety standards is a key concern. Additionally, Chief Assayers are responsible for mentoring junior staff, troubleshooting technical issues, and implementing process improvements, all of which require strong leadership and adaptability. Effective communication with geologists, metallurgists, and management is essential to ensure that all assay data supports the broader goals of mining or metallurgical operations.

What is the difference between Chief Assayer vs Assayer?

AspectChief AssayerAssayer
CredentialsTypically requires certification in assaying and management experienceRequires certification in assaying, often with less managerial training
Work EnvironmentOversees laboratory operations, manages staff, and ensures quality controlPerforms chemical analysis of ores and metals in laboratory settings
Industry UsageUsed in mining, refining, and precious metals industries for leadership rolesCommonly employed in laboratories for sample analysis and testing

The main difference between a Chief Assayer and an Assayer lies in their responsibilities and seniority. The Chief Assayer manages laboratory operations and oversees staff, while the Assayer focuses on conducting chemical analyses. Both roles require certification in assaying, but the Chief Assayer typically has additional management credentials and experience.

What are Chief Assayers?

Chief Assayers are senior professionals responsible for overseeing the process of analyzing and testing ores, metals, and minerals to determine their composition and value. They lead a team of assayers in laboratories, ensuring the accuracy and quality of test results. Chief Assayers also develop and enforce quality control procedures, manage laboratory operations, and may provide technical advice to mining or metallurgical companies. Their work ensures that materials are properly evaluated for commercial use and regulatory compliance.
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Chief Assayer jobs near you
Infographic showing various Chief Assayer job openings in the United States as of July 2026, with employment types broken down into 12% Internship, 7% As Needed, 70% Part Time, 3% Temporary, 7% Contract, and 1% Nights. Highlights an 23% Hybrid, and 77% Remote job distribution, with an average salary of $124,409 per year, or $59.8 per hour.
Associate Director, Process Engineering

Associate Director, Process Engineering

Celcuity Inc.

Minneapolis, MN • On-site

$120K - $150K/yr

Other

Re-posted 10 days ago

Job description

POSITION SUMMARY:
Reporting to the Chief Science Officer, the Associate Director, Process Engineering works within a high-complexity, cellular, and molecular testing laboratory to develop processes, procedures, and products from conception to production for clinical test products.

PRIMARY RESPONSIBILITIES AND DUTIES:

Process Development:
Lead a team of scientists and engineers to develop and optimize processes for complex biochemistry and cell biology laboratory testing

Cross-Functional Collaboration:
Work closely with Engineering and R&D teams to implement and maintain quality control of test processes

Assay Development:
Develop molecular assays and define mechanisms of action in complex cell-based systems
Establish test performance criteria and data quality standards

Statistical Design & Analysis:
Design and execute statistical studies (Design of Experiments, screening designs) to identify key factors in complex assay systems

Process Lifecycle Management:
Develop and maintain process plans from concept through validation and scale-up
Support feasibility and development phase reporting

Documentation & Regulatory Support:
Create pre-clinical documentation and support regulatory readiness

Equipment & Maintenance:
Establish and implement maintenance and calibration programs for laboratory equipment in partnership with Facilities

Quality & Compliance:
Support QA/QC programs
Ensure adherence to safety standards, quality systems, and HIPAA requirements

Scientific Collaboration:
Participate in cross-functional meetings and support translational and clinical study initiatives

QUALIFICATIONS AND SKILLS:

Education & Experience:

PhD or MS in bioengineering or related field
Extensive experience leading scientific/engineering teams in complex laboratory environments
Strong experience in process development and pre-clinical assay development
Hands-on experience with laboratory process development and scale-up

About Us:

Celcuity is a clinical-stage, publicly traded biotechnology company seeking to extend the lives of cancer patients through the development of targeted therapies for the treatment of multiple solid tumor indications. The company was founded to develop a better way to treat the cellular drivers of tumor growth.

Our lead therapeutic candidate, gedatolisib, is an intravenously administered, potential first-in-class PI3K/AKT/mTOR (PAM) pathway inhibitor. Its mechanism of action and pharmacokinetic properties are highly differentiated from other currently approved and investigational therapies that target PI3K or mTOR alone or together. Gedatolisib phase 3 clinical development programs are focused on the treatment of patients with HR+/HER2- ABC in the 1L and 2L settings. A Phase 1b/2 clinical trial evaluating gedatolisib in combination with darolutamide in patients with metastatic castration resistant prostate cancer, is on-going.

Celcuity is an Equal-Opportunity Employer.

Celcuity is committed to fair and equitable compensation practices, and we strive to provide employees with total compensation packages that are competitive. For this role, the anticipated base pay range is $120,000 - $150,000 The exact base pay offered for this role will depend on various factors, including but not limited to the candidate's geography, qualifications, skills, and experience.

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