The Opportunity:
Avantor is looking for a dedicated Software Engineer, to join the Masterflex organization*. This role is full-time, on site in Barrington IL.
The successful candidate will:
• Design, maintain, and optimize End-of-Line (EOL) testing software for embedded Linux devices (50%)
• Collaborate with cross-functional teams—including electronics, firmware, and production—to ensure EOL tester software meets performance requirements
• Develop software components (e.g., GUIs, communication protocols) for embedded Linux platforms
• Develop and integrate AWS-based IoT solutions for connected devices and data analysis
• Design, code, test, debug, and document software in alignment with agile development best practices
What we are looking for:
Minimum Education Requirement:
- Bachelor’s degree (Computer Science, Computer Engineering, or a related field)
Experience
Required:
- Proficiency in at least two of the following programming languages: Python, Go, JavaScript, Java, and C/C++
- Familiarity with Linux environments
Preferred:
- Familiarity with testing methods and frameworks
- Basic understanding of embedded systems
- Willingness to learn new technologies (e.g., AWS, data acquisition tools)
How you will thrive and create an impact:
We are *Masterflex, part of Avantor Sciences. Our peristaltic pumps, tubing, sensors, and single-use components are used by leading biopharma companies around the globe in the research and development of new drugs and therapeutics - such as lifesaving mRNA vaccines used to battle Covid19.
As an Engineering professional, your passion is developing world-class electro-mechanical products with advanced UX and connectivity... but you demand more... to be an integral member of a nimble and resourceful technical team where your efforts directly impact and improve the lives of people the world over.
We are a rapidly growing cross-discipline new product development team with an entrepreneurial spirit AND all the benefits/security of a Fortune 500 company. Here, every one of us makes a difference, and we all have a seat at the table.
Are you ready to take the next step?
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 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!
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!
Pay Transparency:
The expected pre-tax pay for this position is
$77,300.00 - $128,700.00Actual pay may differ depending on relevant factors such as prior experience and geographic location.
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 Equal Employment Opportunity is THE LAW Poster, EEO is the Law Poster Supplement, and Pay Transparency Non-Discrimination Provision.
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.

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