About this role
Job Title: Stability Lab TechJob DescriptionThe R&D Senior Laboratory Testing Technician plays a crucial role in supporting the Research & Development, Product Development, Quality, and Manufacturing teams. This position involves executing stability testing, conducting compatibility studies, managing samples, and maintaining laboratory documentation. The technician is responsible for ensuring that all testing adheres to established procedures and that records are accurately maintained. Additionally, the role supports product development and manufacturing initiatives by providing reliable laboratory data. Responsibilities • Perform formal stability and compatibility studies for laboratory, pilot, and production batches. • Prepare, label, track, and document samples throughout testing programs. • Conduct informal stability evaluations to support product development and troubleshooting activities. • Monitor samples at designated intervals and document physical, chemical, and performance observations. • Escalate atypical results, trends, and stability concerns to appropriate stakeholders. • Perform fill-weight and product verification testing. • Conduct vacuum, seal integrity, or other product performance evaluations as required. • Accurately document all testing results, deviations, and observations. • Maintain organized records to support audits, investigations, and regulatory compliance. • Prepare and package samples for internal evaluations, customer requests, and third-party laboratory testing. • Ensure proper labeling, traceability, and chain-of-custody documentation. • Coordinate sample shipments and maintain shipment tracking records. • Communicate with internal stakeholders regarding testing status and timelines. • Track sample receipt, testing progress, and completion dates with external laboratories. • Ensure final testing reports are accurately filed and accessible to relevant teams. • Maintain stability logs, testing databases, and laboratory records. • Prepare reports, summaries, and data packages for internal review. • Ensure electronic and physical documentation complies with company document control practices. • Utilize spreadsheets and laboratory systems to track projects and testing activities. • Follow all applicable SOPs, safety procedures, Good Laboratory Practices (GLP), and internal quality standards. • Maintain laboratory organization, cleanliness, and readiness. • Support continuous improvement initiatives and process optimization efforts. • Participate in audits, investigations, corrective actions, and quality system activities. • Assist with equipment maintenance, calibration, and documentation as needed. • Partner with Product Development, Manufacturing, Quality, Regulatory, and Operations teams. • Provide testing updates and technical support to project stakeholders. • Participate in project meetings and cross-functional reviews. • Support product commercialization, scale-up, and manufacturing readiness activities. Essential Skills • 3+ years of laboratory experience in formulation development, product development, quality, testing, or related environments. • Experience performing stability, compatibility, verification, or analytical testing. • Proficiency with Microsoft Excel, Word, and other data management tools. • Excellent organizational skills and attention to detail. • Strong written and verbal communication skills. • Ability to manage multiple priorities in a fast-paced environment. Additional Skills & Qualifications • Experience within cosmetics, personal care, consumer products, pharmaceutical, biotechnology, food & beverage, medical device, or other regulated manufacturing environments. • Knowledge of GLP, GMP, cGMP, quality systems, and documentation practices. • Experience supporting product development and manufacturing operations. • Familiarity with laboratory information management systems (LIMS) or digital workflow platforms. Work EnvironmentThis position is based in a small cosmetic manufacturing company located in Chatsworth, CA. The work schedule is Monday through Friday, from 8:00 AM to 4:30 PM, with some opportunities for overtime. There are no weekend shifts. The work environment is collaborative, with a focus on continuous improvement and innovation in the field of custom cosmetic manufacturing. Job Type & LocationThis is a Contract to Hire position based out of CHATSWORTH, CA. Pay and BenefitsThe pay range for this position is $26.50 - $27.50/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.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) Workplace TypeThis is a fully onsite position in CHATSWORTH,CA. Application DeadlineThis position is anticipated to close on Sep 8, 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 [email protected] 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.