Proposal Manager

Posted:
6/29/2026, 1:15:55 AM

Location(s):
Milford, Massachusetts, United States ⋅ Massachusetts, United States

Experience Level(s):
Mid Level ⋅ Senior

Field(s):
Sales & Account Management

Advancing medicine to save lives. Together. 

 

Thanks to many decades of experience and our passion for what we do, we make an essential contribution to the global availability of biopharmaceuticals, especially for patients with rare and serious diseases.  

 

Rentschler Biopharma SE is a leading contract development and manufacturing organization (CDMO) focused exclusively on client projects. We offer customized full-service solutions for bioprocess development and the production of complex biopharmaceuticals. As a German family-owned company with an international footprint and global reach, we combine experts, expertise and years of experience to develop best-in-class solutions – together with our clients.

Rentschler Biopharma has approximately 1,400 employees and is headquartered in Laupheim, Germany, with a site in Milford, MA, USA. In 2024, we joined the United Nations Global Compact, underlining our commitment to sustainability.  

 

As an independent family-owned company, we live by the motto: Many hands, many minds - ONE TEAM! Open, respectful cooperation characterizes our working environment, where quality awareness, diligence and responsibility are our top priorities. With all the diversity of our talents in the Rentschler team, we pursue one vision together: advancing medicine to save lives. 

 

 

Duties and Responsibilities

  • Lead and coordinate the generation of detailed technical proposals in close collaboration with Global departments including; process development, manufacturing, business development, project management and finance
  • Act as the primary interface between the business development and technical teams to ensure interdepartmental alignment on project scopes, technical feasibility of proposed programs and competitive offers
  • Proactively engage with subject matter experts to assess the technical feasibility of client requests and translate those requirements into robust and competitive solutions
  • Participate in technical client calls, proposal review meetings, and scientific discussions, to support the positioning of Rentschler’s solutions
  • Contribute to the evaluation of process feasibility and facility fit, working closely with internal experts to define optimal manufacturing strategies for clients
  • Prepare and draft proposal content technical scope from pre-defined service packages, project timelines and service costs
  • Calculate detailed cost bases as input for market-aligned pricing strategies, in collaboration with Business Development
  • Maintain close and structured communication with all planning-relevant departments ensuring transparency and validity of key proposal assumptions
  • Contribute to the continuous improvement and standardization of service packages and proposal processes

Qualifications

  • Degree in Life Sciences, Biotechnology, Biochemical Engineering, or a related field
  • 3+ years of experience in proposal management, technical project management, or a comparable role within the biopharmaceutical or CDMO industry (a PhD or equivalent technical experience is considered a strong asset)
  • Solid understanding of biopharmaceutical development and GMP manufacturing processes
  • Strong technical mindset with the ability to assess process feasibility, operational fit, and technical risks
  • Good business acumen with a solid understanding of cost structures and pricing principles
  • Strong analytical skills and high numerical proficiency
  • Highly self-driven, structured, and able to manage multiple priorities in a fast-paced environment
  • Proficient in MS Office focusing on timeline generation tools, and experience with CRM systems

Working Conditions

  • Normal office working conditions: computer, phone, files, copier

Physical Requirements

  • PPE as required