[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Bayer jobs](https://jobs.opennash.com/companies/bayer/) · [Search jobs](/search/) Bayer · 大阪府, JP # Senior Scientific Expert (GU Oncology) 大阪府, JP Senior individual contributor Listed on Bayer ’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on Bayer ’s careers site →](https://jobs.bayer.com/job/%E5%A4%A7%E9%98%AA%E5%BA%9C-Senior-Scientific-Expert-%28GU-Oncology%29-%E5%A4%A7%E9%98%AA%E5%BA%9C/1441670833/) [OpenNash Jobs](https://jobs.opennash.com/) / [Bayer ](https://jobs.opennash.com/companies/bayer/) / Senior Scientific Expert (GU Oncology) ## Job description Senior Scientific Expert (GU Oncology) ### YOUR TASKS AND RESPONSIBILITIES - Lead or shape integrated evidence generation and publication plans, including company-sponsored studies, investigator-initiated research, database studies, and real-world evidence. - Serve as a key member of the multidisciplinary brand team, providing medical and scientific leadership. - Help shape strategic direction within assigned therapeutic areas. - Translate complex scientific data into clear, compelling medical content and communication strategies. - Partner with Marketing and external stakeholders to develop effective communication concepts and promotional materials. - Review and approve promotional materials to ensure scientific accuracy and compliance. - Build and maintain relationships with key opinion leaders (KOLs) and external experts. - Provide medical support by responding to product-related inquiries and training the sales force on scientific and medical topics. - Lead scientific advisory boards and expert meetings. - Monitor, review, and communicate relevant scientific publications and emerging evidence. - Contribute to digital engagement strategies and innovative medical communication approaches. - Support commercial success by providing scientific expertise that enables marketing and sales activities. ### WHO YOU ARE University Degree or above (PHD and above is preferred) At least 3 years experience in a MSL/ Senior Scientific Expert or R&D role in Oncology TA is preferred Experience in driving and managing the medical strategy for various brands in the pharmaceutical industry Clinical research and trial management experience, and be able to interact authoritatively with key stakeholders and investigators. Excellent presentation and teaching skills and to represent the company in a professional manner at medical, scientific and public events. Independent, self-driven, pro-active, extrovert and dynamic Ability to form relationships quickly and have demonstrable persuasive abilities Highly effective communicator both orally and in writing; can get ideas across one-on-in, in group settings as well as in presentations Exceptional leadership capabilities; ability to motivate. ### Highly organized with attention to detail - Strong team player and know how to collaborate and engage many stakeholders across a large organization - Solid negotiation and decision making skills Good analytical and numerical abilities Adaptability Innovative and pro-active Strategic thinking Results-oriented attitude Resource management and financial skills to control budgets Experience in working with MS office in a Windows environment Willing to travel Fluency in Japanese and a good command of English (TOEIC 730 or above as a guide) ### WHAT BAYER CAN OFFER YOU We offer a competitive a salary package consisting of an annual basic salary and Short-Term Incentive (STI) bonus and top performance award and so on, tailored to your role at Bayer We provide various special paid day-offs on top of given annual paid vacation days. Also, we promote work-life balance by offering employees flexible working hours and home-office arrangements depending on your job nature in alignment with your manager We support your professional growth by providing learning and development opportunities through training programs, regular feedback and project participations At Bayer, our employees are welcomed, supported, and encouraged to reach their full potential. We also embrace and respect diversity by providing an inclusive and fair work environment for all employees We provide various attractive corporate benefit programs for all of our valuable employees such as DC pension plan, health and medical support by Bayer Health Insurance Association, Benefit Club membership, and life insurance 採用予定日: ASAP 部門: 医療用医薬品 勤務地: Tokyo / Osaka 職務領域: メディカルアフェアーズ＆ファーマコビジランス ポジションの職務等級: V1.1 社員区分: 正社員 勤務時間: 09:00 - 17:30 連絡先 E-Mail recruiter_jp@bayer.com ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days - Location: 大阪府, JP[Apply on Bayer ’s careers site →](https://jobs.bayer.com/job/%E5%A4%A7%E9%98%AA%E5%BA%9C-Senior-Scientific-Expert-%28GU-Oncology%29-%E5%A4%A7%E9%98%AA%E5%BA%9C/1441670833/) ## More jobs at Bayer ### [HEOR Lead](https://jobs.opennash.com/companies/bayer/jobs/bf17c2fd184fabc8c971/) 大阪府, JP ### [Associate Manager / Medical Lead Radiology, Japan & APAC](https://jobs.opennash.com/companies/bayer/jobs/069cf0caa53e57b4af52/) 大阪府, JP ### [Field Service Engineer Kansai](https://jobs.opennash.com/companies/bayer/jobs/6ba7f22301a50ae72547/) 大阪府, JP ### [Senior Medical Expert](https://jobs.opennash.com/companies/bayer/jobs/512dcf62c2dbd5bf4f49/) 大阪府, JP ### [Warehouse Transportation Last Mile Manager](https://jobs.opennash.com/companies/bayer/jobs/85069e2a03299dac6b99/) 大阪府, JP ## Similar jobs at other companies ### [Medical Affairs Oncology Scientific Content & Medical Information, Specialist](https://jobs.opennash.com/companies/merck-co/jobs/cdf086a185782d9656cd/) Merck & Co. · JPN - Tokyo - Chiyoda ### [Scientific Associate Biochemistry Oncology](https://jobs.opennash.com/companies/novartis/jobs/08c3f2dd57e3fb24d9b6/) Novartis ### [Senior Medical Scientific Liaison – Oncology](https://jobs.opennash.com/companies/pfizer/jobs/3c7968f45f8ed1a430c4/) Pfizer · Taiwan - Taipei ### [Medical Scientific Liaison (MSL) - Oncology (Pipeline)](https://jobs.opennash.com/companies/abbott-laboratories/jobs/08f23a53759d074c2bba/) Abbott Laboratories · Hong Kong ### [Expert Manager, Scientific Communications](https://jobs.opennash.com/companies/amgen/jobs/f51a1d02edd1aef8b0f9/) Amgen · India - Hyderabad OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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