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Landmark Bio

Cell and gene therapy CDMO services

Downstream Associate Scientist

Bioprocess & BiomanufacturingConfirmed live in the last 24 hours
ContractWatertown, MA, USA$45 - $55 /hrIn-person

About the Job

Requirements

  • A bachelor's degree in biology, bioengineering, biotechnology, chemical engineering, or a related scientific discipline with at least six years of relevant experience, or a master's degree with at least four years of relevant experience.
  • Demonstrated hands-on experience with downstream purification technologies, including clarification, filtration, and chromatography.
  • A proven track record of success in biopharmaceutical process development.
  • Strong analytical, troubleshooting, and problem-solving skills, with attention to detail.
  • Ability to work independently and collaboratively within a multidisciplinary team.
  • Organizational and time-management skills, including the ability to manage multiple priorities.
  • Strong written and verbal communication skills and the ability to document and present technical information effectively.
  • Ability to handle confidential information and proprietary materials professionally and discreetly.
  • Flexibility to adjust working hours to meet experimental needs, including occasional weekend work.

Responsibilities

  • Plan and execute downstream process development experiments for advanced therapeutic modalities, including adeno-associated viral vectors, lentiviral vectors, and extracellular vesicles.
  • Develop, optimize, and troubleshoot purification processes, including clarification, depth filtration, tangential flow filtration, and chromatography.
  • Support the development and evaluation of continuous and intensified downstream processing technologies.
  • Perform laboratory experiments to evaluate process parameters and improve product recovery, purity, yield, and quality.
  • Operate, maintain, and troubleshoot downstream processing equipment, including ÄKTA chromatography systems and tangential flow filtration systems.
  • Collect, analyze, and interpret experimental data; document results; and communicate findings to the project team.
  • Prepare technical reports, experimental protocols, and standard operating procedures.
  • Collaborate with upstream process development, analytical development, and manufacturing teams to support project objectives and technology transfer.
  • Maintain accurate laboratory records and ensure compliance with established safety and quality procedures.
  • Support laboratory operations, including equipment maintenance, inventory management, and preparation of buffers and solutions.

Desired Qualifications

  • Experience in downstream process development for advanced therapeutic modalities, including adeno-associated viral vectors, lentiviral vectors, and extracellular vesicles.
  • Hands-on experience with tangential flow filtration, depth filtration, and chromatography techniques, including affinity, ion exchange, and size exclusion chromatography.
  • Experience operating and troubleshooting downstream processing equipment, including ÄKTA chromatography and tangential flow filtration systems.
  • Familiarity with continuous and intensified downstream purification technologies.
  • Experience with process optimization, scale-up, and technology transfer to good manufacturing practice manufacturing.
  • Understanding of analytical methods used to evaluate process performance, product recovery, purity, and quality.
  • Knowledge of Design of Experiments and statistical approaches to process development.
  • Familiarity with good manufacturing practice requirements and regulatory expectations for biopharmaceutical manufacturing.

About the Company

Landmark Bio

Cell and gene therapy CDMO services

Landmark Bio provides contract development and manufacturing services for cell and gene therapies, helping researchers and biopharma partners move concepts from idea to clinic. Its offerings include drug development consulting, process analytical development, cGMP manufacturing, and CMC regulatory consulting to support end-to-end program execution. Compared with competitors, Landmark Bio emphasizes an integrated, client-focused package and collaboration with academia, physicians, and hospitals to reduce the cost and complexity of manufacturing. The goal is to make advanced cell and gene therapies more accessible to patients by shortening development timelines, ensuring regulatory compliance, and delivering scalable manufacturing within budget.

Company size
51-200
Company stage
Not listed
Total funding
Not listed
Headquarters
Watertown, MA
Founded
Not listed

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