Junior Chemist

About the Role

The Junior Chemist is an entry-level, hands-on bench role focused on ultra-trace analysis at PRECILAB. This position involves running customer samples through analytical methods from preparation to reported data. Comprehensive on-the-job training will be provided for methods, instrumentation, and the quality system.

Key Responsibilities

Sample Preparation and Analysis

• Work in clean room environments wearing required PPE, following contamination control discipline.
• Prepare ultra-pure reagents, calibration standards, and spiked samples to specification.
• Clean labware to the standard required for trace and ultra-trace work.
• Perform sample preparation and treatment, including digestions and dilutions.
• Run analyses on laboratory instrumentation: ICP-MS, ICP-OES, auto-titrator, Karl Fischer titrator, ion chromatography, gas chromatography, and new instrumentation.
• Meet customer cycle times without compromising data quality.

Instrument Performance and Maintenance

• Perform daily calibrations and continuing calibration verification.
• Identify and escalate when an instrument is drifting or out of specification.
• Carry out and assist with scheduled preventative maintenance.
• Document maintenance, repairs, and keep instrument records current.

Data, Quality, and Documentation

• Validate and report analytical data, and complete customer reports.
• Review and update standard operating procedures and instrument operating procedures.
• Support method development and validation for new instruments, methods, and analytical processes.
• Maintain electronic and paper filing systems for data, calibration, maintenance, and repair records.
• Retrieve records and evidence for internal and external audits, including ISO/IEC 17025 and customer audits.
• Retain and dispose of records in line with company and accreditation requirements.

Customer and Team Support

• Monitor and respond to customer queries from a shared inbox.
• Provide sample status updates to customers.
• Collect customer samples from local sites within 25 miles of the laboratory using your own vehicle (mileage reimbursed).
• Participate in off-hours duty phone rotation for urgent customer contact.

Laboratory Operations

• Maintain laboratory area stocking, tidiness, and functionality to 5S standard.
• Report low stock of reagents, chemicals, and consumables.
• Undertake ad hoc projects to improve lab operations.

Safety

• This role handles hazardous chemicals, including 49% hydrofluoric acid.
• Full training on safe handling, PPE, spill response, and exposure first aid is provided.
• Access to all Safety Data Sheets and proper waste disposal procedures.
• Calcium gluconate gel is held on site.
• Prescribed PPE is mandatory, including face shield, apron, and specified glove protocol.
• Work safely and make responsible decisions.

Requirements & Tech Stack

Core Competencies

• Meticulous attention to detail.
• Strong organization and ability to manage multiple samples and priorities.
• Clear, professional written and verbal communication.
• Ownership and follow-through.
• Problem-solving instinct.
• Sound judgement with confidential customer data.
• Safety-first mindset.

Work Environment And Physical Requirements

• On site in Carrollton, TX.
• Operating laboratory and clean room environment, with required PPE worn throughout.
• Regular handling of acids, solvents, and other hazardous chemicals, including 49% hydrofluoric acid.
• Standing and working at the bench for extended periods, with repetitive fine motor work.
• Occasional lifting of laboratory and supply deliveries up to 35 lbs.
• Occasional weekend and off-hours work.
• Local driving for customer sample collection.

Qualifications

Required

• Bachelor's degree in chemistry or a closely related science, or equivalent coursework.
• Working understanding of laboratory operations and safe handling of hazardous chemicals.
• Proficiency in Microsoft Office, particularly Excel, Word, and Outlook.
• Valid driver's license and ability to drive to local customer sites.

Preferred

• Hands-on experience with ICP-MS, ICP-OES, IC, GC, or titration, whether from coursework, placement, or employment.
• Experience in a laboratory, manufacturing, engineering, or other technical services environment.
• Exposure to a quality-accredited environment such as ISO/IEC 17025, ISO 9001, or similar.
• Familiarity with a LIMS or other laboratory data system.
• Experience working in a clean room or under contamination control protocols.

Training and Development

• Structured on-the-job training on PRECILAB methods and instrumentation, with documented competency sign-off.
• Hazardous chemical and HF-specific safety training before independent work.
• Exposure to method development, validation, and ISO/IEC 17025 accreditation audits.
• A clear path to Chemist and senior technical roles.