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Obsidian
Principal Medical Writer - Medical CommunicationsObsidian • City of London, London, United Kingdom
Principal Medical Writer - Medical Communications

Principal Medical Writer - Medical Communications

Obsidian • City of London, London, United Kingdom
10 days ago
Job type
  • Full-time
Job description

About Us


At Obsidian, we’re passionate about transforming scientific communications to improve healthcare outcomes for everyone. As a specialist healthcare agency, dedicated to medical & scientific communications, we partner with global healthcare organisations to share knowledge that truly makes a difference.


Our team of >70 academic scientists, strategists, and communications experts deliver cutting-edge solutions across:


  • Medical Affairs
  • Strategic Consultancy
  • Scientific Meetings and Events
  • Medical Education
  • Publications Planning and Delivery
  • Creative and Digital Services
  • Commercial Strategy



The Opportunity


This is an exciting opportunity for an experienced Principal Medical Writer to step into a pivotal role, shaping high-impact scientific and commercial projects while mentoring the next generation of talent. As a Principal Medical Writer (PMW), you will:


  • Lead editorial direction for a diverse portfolio of scientific and commercial projects, including complex multi-component deliverables across a range of therapy areas such as: oncology, biosimilars, rare diseases, cardiology, infectious diseases/vaccines, neurology and haematology.
  • Own project delivery across your accounts, ensuring the highest editorial, scientific, and strategic standards.
  • Mentor and develop junior writers, offering coaching, training, and guidance to maintain exceptional quality and support career progression.
  • Drive resource planning and workflow discussions for assigned accounts, ensuring efficiency and timely delivery.
  • Support team time management, helping junior colleagues prioritize effectively and work collaboratively.


Our expertise will directly influence the success of client projects and strengthen our reputation for scientific excellence—making a real impact on healthcare communications worldwide



What You’ll Do


  • Lead the charge on projects, driving timelines, resources, and flawless delivery.
  • Shape strategy as the go-to therapy area expert, ensuring scientific precision and impact.
  • Craft compelling content that challenges briefs and elevates client expectations.
  • Inspire and mentor junior writers, building a culture of excellence.
  • Own client relationships, instilling confidence and creating long-term partnerships.
  • Champion compliance and editorial quality at every stage.
  • Master budgets and resources, keeping projects on track and profitable.
  • Spot growth opportunities and help win new business with standout proposals.
  • Drive innovation, sharing ideas that improve processes and strengthen the team.



What We’re Looking For


  • Ideally a degree in biological sciences (BSc/MSc/PhD or equivalent).
  • Proven experience within medical communications agencies, ideally as a Principal Medical Writer or equivalent
  • Strong leadership and mentoring skills with a track record of managing editorial team members.
  • Ability to deliver high-quality scientific content and strategic counsel
  • Strong commercial acumen



What We Offer


  • Hybrid working: Only 2 anchor days a week in the office from our vibrant London office (just off Fetter Lane, EC4).
  • 25 days’ holiday + bank holidays, plus gifted days at Christmas and your birthday off.
  • AXA Private Healthcare (with family options), Aviva pension scheme, income protection, life assurance.
  • Enhanced parental leave, cycle-to-work scheme, season ticket loan.
  • Bonus schemes and employee referral rewards.
  • Learning and Development: Comprehensive training programmes, annual performance reviews, and opportunities to join working groups.
  • Wellbeing Support: EAP, mental health first aiders, AXA wellbeing calendar, and a dedicated wellbeing room.
  • Social Connection: Regular social events, and a friendly, collaborative culture.


Ready to lead, inspire, and make an impact?

Join us at Obsidian and help shape the future of scientific communications.


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Principal Medical Writer - Medical Communications • City of London, London, United Kingdom

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