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Senior Analytical Development Scientist

Date: Jun 8, 2021

Location: Philadelphia, PA, US

Company: Spark Therapeutics

Join the Spark Team


We were born of innovation, springing from the curiosity, imagination and dedication of remarkable scientists and healthcare visionaries. Our shared mission is to challenge the inevitability of genetic disease by discovering, developing, and delivering treatments in ways unimaginable – until now.


We don’t follow footsteps. We create the path.



We are seeking a highly motivated Senior Analytical Development Scientist who will be responsible for designing and conducting experiments to develop molecular based analytical methods for gene therapy programs in Analytical Development. The incumbent will provide scientific expertise on new method development and assay optimization based on in-depth knowledge and advanced experience in molecular biology including qPCR and ddPCR technologies. S/he will perform analytical experiments to support process development, process characterization and product characterization. S/he may also be involved in collaborations with internal and external partners for technical transfers and assay validation. 


The major responsibilities are as follows, but not limited to:


  • Identify and develop molecular technology based analytical methods to support rAAV based process development and platform optimization.
  • Develop and implement qPCR and ddPCR based assays for quantification of gene therapy products and impurities associated with rAAV vectors, characterization of rAAV vector purity and identity, as well as release and stability testing.
  • Provide analytical expertise to troubleshoot and resolve technical issues in a timely manner.
  • Work collaboratively with informatics and automation teams to build robust testing plan, conduct experiments to support process and formulation development.
  • Understand regulatory expectation, write, edit and review internal technical reports and SOPs.      
  • Guide junior team members on technical issues.
  • Maintain GXP compliant good documentation with high level of detail.



Describe the essential daily job functions and include % of time spent on each.

% of Time

Job Function and Description


Working in the labs to perform experiments described above in the job primary duties


Design experiments, discuss and interpret data, maintain detailed records of work.


Prepare presentation materials, literature search, etc.   


Trainings, lab meetings and administration work




  • Ph.D in Biological sciences, Analytical Chemistry or Biochemistry with at least 3 years of applicable experience; or
  • BS/MS degree in relevant scientific field with at least 6 years of applicable experience.


  • Advanced knowledge and demonstrated hands-on experience in designing, implementing molecular based assays.
  • Advanced ability to critically analyze problems, develop potential solutions and resolve technical issues.
  • Ability to assume independent ownership of work packages.
  • Demonstrated ability to provide complex direction to external vendors in alignment with previously agreed terms and conditions.
  • Advanced technical lab skills.
  • Advanced skills in synthesizing data and effectively communicating findings and recommendations to senior management with coaching leadership.
  • Demonstrates good judgment in selecting methods/techniques for obtaining solutions.
  • Demonstrates Spark values, especially Commit to Collaboration, Demonstrate the Respect you Seek, and Own your Excellence.

Nearest Major Market: Philadelphia