Weekend Chemist Jobs (NOW HIRING)

This Chemist role focuses on supporting chemical pilot plant work by preparing samples, performing physical and chemical analyses, and processing analytical data in a research-oriented laboratory environment. You will work with gas chromatography and a range of wet chemistry methods, maintain and troubleshoot analytical instrumentation, and document results in logbooks using PC applications. This position is ideal for someone who enjoys hands-on analytical work in an innovative lab setting rather than a manufacturing environment.

• Prepare chemical samples for analysis in support of chemical pilot plant activities.
• Perform physical and chemical analyses using gas chromatography (GC) and various wet chemistry methods.
• Operate, troubleshoot, clean, and maintain analytical instrumentation, including gas chromatographs and related equipment.
• Set up GC systems, including sample valves, calibration procedures, and method parameters.
• Process analytical data using PC applications and perform chemical and sample-related calculations.
• Record and organize analytical results, procedures, and observations in logbooks and other documentation systems.
• Apply chromatography and wet chemistry techniques to generate accurate and reliable analytical data.
• Follow established laboratory procedures and safety protocols while handling chemicals and operating equipment.
• Participate in hands-on training and shadow experienced chemical analysts to learn lab processes and best practices.
• Support weekend and varied shift work as needed to meet laboratory and pilot plant demands.

• Bachelor’s degree in chemistry with at least 1 year of experience, or a Master’s degree in chemistry with 0 years of experience.
• Experience working in an analytical laboratory setting.
• Hands-on experience with analytical instrumentation, including gas chromatography (GC).
• Experience with GC set-up, including sample valves, calibration, troubleshooting, and routine operation.
• Ability to train others or share knowledge on GC operation when needed.
• Strong proficiency with chromatography techniques.
• Practical experience with wet chemistry methods and techniques.
• Ability to process analytical data using PC applications and perform accurate chemical and sample-related calculations.
• Capacity to work flexibly across shifts between 6:00 a.m. and 10:00 p.m.
• Willingness to work some weekends as required.

• Interest in working in a research-focused laboratory environment rather than a manufacturing setting.
• Attention to detail and commitment to maintaining high-quality analytical results and documentation.
• Ability to follow detailed procedures and adapt to hands-on training and shadowing of experienced analysts.
• Comfort working with laboratory instrumentation and learning new analytical methods.
• No specific external medical requirements or professional certifications are required for this role.

This position is based in a laboratory environment that supports chemical pilot plant research, offering training and hands-on experience rather than production or manufacturing work. New team members receive comprehensive, on-the-job training and will initially shadow experienced chemical analysts to learn equipment, methods, and safety practices. The lab operates across a broad schedule, with shifts between 6:00 a.m. and 10:00 p.m., and some weekend work may be required. Casual attire is appropriate, and steel-toed boots or shoes are required for safety. Personal protective equipment (PPE) is provided to support safe laboratory operations. The environment emphasizes innovation, careful analytical work, and collaboration in a research-oriented setting.

This is a Contract position based out of San Antonio, TX.

The pay range for this position is $25.00 - $28.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in San Antonio,TX.

This position is anticipated to close on Aug 7, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.