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Senior Quality Control Analyst I, Bioassay


Job Location:

Woburn, MA - USA

Monthly Salary: $ 101500 - 125400
Posted: 3 July 2026 (30+ days ago)
Application Deadline: 30 September 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

Why Join Us
Be a hero for our rare disease patients
At Ultragenyx we fundamentally believe that taking real impactful action to care for the needs of patients and our people is always the right thing to achieve this goal our vision is to lead the future of rare disease medicine. For us this means going where other biopharma companies wont go challenging the status quo and creating a new model that advances our field so more patients and caregivers can benefit from life-changing treatments. We do this by following the science applying a novel rapid development approach making innovative medicines at fair and reasonable prices and creating a collaborative ecosystem to reach patients in ways that are most meaningful for them.
Our commitment and care for patients extends to our people so culture is an essential cornerstone for Ultragenyx. We remain continuously focused on creating a supportive and inclusive environment of profound learning and growth so employees can thrive in all areas of their lives in and outside of we want to be an organization where we would be proud for our family friends and children to work.
If you want to have a meaningful impact do the best work of your career and grow a lot both professionally andpersonally come join our team.
Position Summary:

ultrainnovative Tackle rare and dynamic challenges

TheSenior QC Analystpositionwillexecute aninterdisciplinary set of testing( testing molecular biologytestingand bioassay testing)andlaboratoryoperations( management)to supportAAV-based gene therapymanufacturing operationson a incumbent willdemonstratestrengths in leadershipin the labwith a focus onsoundindependentthinking and a self-motivated mindsetto drive actions forward.

In addition the Senior QC AnalystIwill reviewenterand approveanalyticaldatagenerated internally andfrom external laboratories. Routine work includes release and stability testing critical reagent qualificationquality system ownership( investigationsdeviations CAPA change controls)method validation and transfer critical reagent qualification analyzedata and author technical documents.

The position is scheduled Wednesday Saturday as four 10 hour work days with flexibility to start between 7:00am 8:30am to support operational activities.

Work Model:

Core Lab & Ops: This role typically requires that the majority of the work be conducted on-site.

Responsibilities:
  1. Performsroutine QC testingin a GMP environment to support product release and stabilityincluding butnot limited to;cell-based assaysquantitative PCR ELISA and microbiological test methods ( testing plate reading endotoxin testing total organic carbon testing conductivity testing media growth promotion).
  2. Executes sample management in support of GMP manufacturing including but not limited to incoming sample receipt sample aliquoting sample transactions in LIMS sample distribution to testing laboratories and sample disposal.
  3. Review and approval of cGMP analytical data for release and stability testing
  4. Supports and leads QC Bioassay laboratory operations (ex. Instrumentqualification and maintenance. Passage cells qualify critical reagentsetc).
  5. Author and support quality events; Change controls Deviation CAPA OOS Investigation as needed.
  6. Support methodtransferand validation activities for development technical transfer and validation of late-stage assays for AAV-based gene therapy programs.
  7. Author analytical method performance trend reports as needed.
  8. Write prepare and present technical data technical reports and standard operating procedures (SOPs).
  9. Model leadership behaviors and mentor/train junior staff
  10. Workwith cross functional teamswith both internal and external stakeholders
Requirements:
  1. BS in Cell Biology Molecular BiologyBiochemistryor a related discipline withminimum6-8years industry experienceor MS with 4-6 years experience.
  1. 4Experiencein a GMP/GLP environment isa must.
  1. Experience in routine mammalian cell culturerequired
  1. Experience with quantitative PCR with cell-based potency assays isrequired. Experience performing immunoassays such as ELISAs strongly desired
  1. Experience with statistical analysis (SoftMax JMP)andLIMS (LabVantage)preferred
  1. Ability and desire to work in a fast-paced environment
  1. Strong collaboration team-working skills and communication skills
  1. Independently motivated and detail-oriented with good problem-solving ability
  1. Strong communication interpersonal and organizational skills

Physical Demand Requirements

  • Stand for extended periods of time with periodic stooping / bending / kneeling
  • Able to lift push pull up to 50lbs.
  • Climb ladders and stairs of various heights.
  • Work in a lab environment requiring special protective clothing over the head face hands feet and body. This role requires the ability to wear personal protective equipment.
  • Certain tasks may require use of a respirator; medical clearance will berequiredin advance.

#LI-AJ1 #LI-Onsite

The typical annual salary range for this full-time position is listed below. This range reflects the characteristics of the job such as required skills and qualifications and is based on the office location noted in this job posting. The range may also be adjusted based on applicants geographic location.


This position is eligible for annual bonus and equity incentives. Actual individual pay is determined by demonstrated experience and internal equity alignment.

Pay Range

$101500 - $125400 USD

Full Time employees across the globe enjoy a range of benefits including but not limited to:
Generous vacation time and public holidays observed by the company
Volunteer days
Long term incentive and Employee stock purchase plans or equivalent offerings
Employee wellbeing benefits
Fitness reimbursement
Tuition sponsoring
Professional development plans
* Benefits vary by region and country

Ultragenyx Pharmaceutical is an equal opportunity employer and prohibits unlawful discrimination based on race color religion gender sexual orientation gender identity/expression national origin/ancestry age disability marital and veteran status and any other status or classification protected by applicable federal state and/or local laws. Reasonable accommodation will be provided for all protected statuses or classifications protected by applicable law including individuals with disabilities disabled veterans for pregnancy childbirth and related medical conditions and based on sincerely held religious beliefs. Applicants can request an accommodation prior to accepting a job offer. If you require reasonable accommodation in completing this application or in any part of the recruitment process you may contact Talent Acquisition by emailing us at .

See ourCCPA Employee and Applicant Privacy Notice.
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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.

Note to External Recruiters: All candidate activity and open positions are managed strictly through our Human Resources Department. Our Human Resources Department kindly requests that recruiters not contact employees/hiring managers directly in an attempt to solicit business and present candidates. Please note that failure to comply with this request will be a factor in determining a professional relationship with our organization. Submission of unsolicited resumes prior to an agreement set in place between the Human Resources Department and the recruiting agency will not create any implied obligation. Inquiries on developing a recruiting relationship with us may be directed to:.

Required Experience:

Senior IC


About Company

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Ultragenyx is focused on developing first-ever approved treatments for rare and ultrarare diseases and moving the rare disease community forward.

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