Sr. Lab Technician-Media / Buffer

The Opportunity :

In this role, you will report to the Onsite Supervisor and will work closely with the Avantor's Advanced Laboratory Services professionals to serve our customers by performing customized, mission-based lab work and research protocols that help return time back to science.

Location : Waltham, MA

Shift : Mon - Fri, 7 : 00 am - 3 : 30 pm

Hourly Rate : $29.00

Benefits :

Health and Wellness : Medical, Dental, Vision, and Wellness programs

Time Off : Paid Time Off (PTO), Company-paid holidays, Choice holidays, etc.

Financial Well Being : Spending Accounts : Flexible Spending Account (FSA), Health Savings Accounts (HSA), commuter benefits, 401(k), tuition assistance, employee stock purchase plan discount

Added Protection Coverage : To include critical illness, hospital indemnity, accident, legal, identity theft protection, pet, auto, and home insurance.

Recognition : Celebrate your peers and earn points to redeem for gifts and products

What we're looking for :

High School diploma or GED required; Associate or Bachelor's degree in a scientific discipline preferred.

1-2 years of laboratory experience highly desirable; undergraduate lab work will be considered.

Proficiency in Microsoft Word and Excel required.

Familiarity with ordering systems such as Coupa and Inventory manager a plus.

Experience with laboratory equipment such as balances and pH meters a plus.

Ability to lift up to 40 lbs.

Strong verbal and written communication skills for interaction with internal teams and external clients.

Experience with Standard Operating Procedures (SOPs) and Work Instructions, including drafting, is advantageous.

Demonstrated ability to work independently, prioritize tasks, and maintain high attention to detail.

Commitment to following site protocols, safety policies, and quality standards.

How you will thrive and create an impact

Avantor's Advanced Laboratory Services team is a crucial part of the Avantor Services group serving over 500 customers in biopharma, pharmaceutical, educational, industrial, and high-tech industries with customizable, flexible solutions and end-to-end laboratory operations support.

The Sr. Lab Technician-Media / Buffer is responsible for executing routine lab procedures and supporting reagent management workflows across multiple laboratory environments. Core responsibilities include preparing solvents, buffers, and media; managing inventory and supply orders; maintaining quality control logs; and assisting with lab stocking and cleanliness.

In addition to daily tasks, the Technician will provide cross-functional support to the Chemistry TLS team and Lab Resource Coordinators (LRCs). This includes cross-training in reagent management, coordinating daily responsibilities, and helping train LRCs on buffer / media quality and handoff procedures. Task assignments will be directed by the Team Lead or Supervisor based on operational needs and team priorities.

Safety, compliance, and process improvement are central to this role-you will be expected to follow all internal protocols, proactively report incidents or inefficiencies, and contribute to a culture of continuous improvement and operational excellence.

The ideal candidate brings hands-on lab experience, strong attention to detail, and a collaborative mindset focused on maintaining high standards of safety, quality, and communication. In this role, you will :

Perform routine laboratory tasks, including preparation of solvents, buffers, reagent solutions, media, and chemical mixtures.

Manage inventory by ordering and tracking lab supplies, including ethanol and water for Lab Resource Coordinators (LRCs).

Prepare aliquots for stocking and distribution across laboratories.

Assist with semi-annual cleaning of Bio Safety Cabinets.

Monitor and report Fetal Bovine Serum (FBS) usage, including generating graphs to compare current and historical consumption for ordering forecasts.

Maintain quality control logs for buffer preparation using pH meter readings.

Identify and implement safety and process improvements; communicate findings to the Team Lead or Supervisor.

Assist with reagent management and media prep tasks as assigned by the team lead

Examples include :

Unboxing and logging external chemicals

Weighing and returning chemicals to stockrooms

Picking and delivering internal chemical requests

Performing afternoon reagent delivery runs

Review, update, and assist in the revision of Standard Operating Procedures (SOPs).

Train LRCs on buffer and media quality indicators, ensuring efficient handoffs and coordination.

Perform other duties as assigned to support lab operations.

Disclaimer :

The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position. Avantor is proud to be an equal opportunity employer.

Why Avantor?

Dare to go further in your career. Join our global team of 14,000+ associates whose passion for discovery and determination to overcome challenges relentlessly advances life-changing science.

The work we do changes people's lives for the better. It brings new patient treatments and therapies to market, giving a cancer survivor the chance to walk his daughter down the aisle. It enables medical devices that help a little boy hear his mom's voice for the first time. Outcomes such as these create unlimited opportunities for you to contribute your talents, learn new skills and grow your career at Avantor.

We are committed to helping you on this journey through our diverse, equitable and inclusive culture which includes learning experiences to support your career growth and success. At Avantor, dare to go further and see how the impact of your contributions set science in motion to create a better world. Apply today!

EEO Statement :

We are an Equal Employment / Affirmative Action employer and VEVRAA Federal Contractor. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state / province, or local law.

If you need a reasonable accommodation for any part of the employment process, please contact us by email at recruiting@avantorsciences.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this email address.

For more information about equal employment opportunity protections, please view the Know Your Rights poster .

3rd Party Non-Solicitation Policy :

By submitting candidates without having been formally assigned on and contracted for a specific job requisition by Avantor, or by failing to comply with the Avantor recruitment process, you forfeit any fee on the submitted candidates, regardless of your usual terms and conditions. Avantor works with a preferred supplier list and will take the initiative to engage with recruitment agencies based on its needs and will not be accepting any form of solicitation.