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Mantell Associates is hiring : Proposal Writer in California

Mantell Associates is hiring : Proposal Writer in California

MediabistroCalifornia, MO, United States
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Overview

Mantell Associates is currently partnered with a leading CDMO specializing in drug product development, clinical & commercial supply, and regulatory-compliant manufacturing, who is seeking a meticulous and technically savvy Proposal Writer to join their Business Development & Commercial team.

If you have strong writing skills, an eye for detail, and a passion for connecting technical capability with client needs, this role could be a great fit.

Responsibilities

  • Develop high-quality proposals, RFP / RFI responses, statements of work (SOWs), quotes, and commercial bids that clearly communicate the CDMO’s drug product capabilities, timelines, pricing, and differentiation
  • Collaborate closely with cross-functional teams (Sales / BD, Project Management, Technical Development, Quality, Regulatory, Finance) to gather inputs - technical, operational, cost, compliance - and ensure proposals are accurate, compliant, and aligned with client expectations
  • Maintain, refine, and manage a library of proposal templates, case studies, standard content, and company offerings to improve turnaround speed and consistency
  • Review and ensure proposals meet legal, regulatory, and GMP manufacturing standards - ensuring technical content is correct, risk issues are addressed, and client deliverables are feasible
  • Track proposal progress, act as liaison between internal stakeholders and clients for clarifications and follow-ups, make sure deadlines are met
  • Analyze past proposal outcomes, capture lessons learned, and work to continuously improve processes, workflow, and content quality

Requirements

  • Bachelor’s degree (or higher) in Life Sciences, Pharmacy, Engineering, or related technical discipline
  • 3-5 years of experience writing or supporting proposals / bid responses in a pharmaceutical manufacturing, CDMO, or biotech environment, especially for drug product / dosage form services
  • Strong technical writing, editing, and proofreading skills; ability to translate complex scientific / manufacturing information into clear, persuasive proposal content
  • Excellent project coordination skills : managing timelines, working with multiple stakeholders, handling simultaneous proposals under pressure
  • Familiarity with GMP / regulatory standards for drug product manufacturing (sterile or non-sterile) is a plus
  • Proficiency in MS Office (Word, Excel, PowerPoint); exposure to CRM or proposal management tools preferred

    • Mantell Associates is a specialist Pharmaceutical and Life Science headhunting firm. For more information on this opportunity, contact us at +44 (0)20 3854 7700.

    Job Details

  • Location : Los Angeles, CA; San Francisco, CA; Irvine, CA; and related areas
  • Salary : $75,000.00-$95,000.00 (listed ranges)
  • Employment type : Full-time
  • Seniority level : Mid-Senior level
  • Job function : Writing / Editing, Legal, and Analyst
  • Industries : Biotechnology Research, Pharmaceutical Manufacturing, and Chemical Manufacturing

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    Proposal Writer • California, MO, United States