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HomeCompaniesTreeline BiosciencesDirector/Sr Director, Chemical Development

Director/Sr Director, Chemical Development

Treeline Biosciences · Watertown, Massachusetts, United States · Active · $229,978–$277,846 / year · Greenhouse

Job facts

FieldValue
CompanyTreeline Biosciences
TitleDirector/Sr Director, Chemical Development
Normalized title-
Department / teamCMC
LocationWatertown, MA, United States
Work model-
Employment type-
Salary$229,978–$277,846 / year
Statusactive
ATS providerGreenhouse
Posted / first seen2026-05-28 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-18

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PageWhat it containsOpen
Company jobsActive postings from Treeline Biosciences.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Greenhouse.Open
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City jobsActive postings in Watertown.Open
Department jobsActive postings in CMC.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyTreeline Biosciences
Sourcee82854c6-8617-4dbc-b540-607e4a14d849
ATS providerGreenhouse

Description

Treeline Biosciences, a clinical-stage biotechnology company advancing precision medicines, is seeking an experienced Director/SD, Chemical Development to drive the development, scale-up, manufacturing, and regulatory readiness of our small-molecule portfolio. This role will be central to establishing a robust supply chain for our portfolio compounds About the Position The Director/SD, Chemical Development will have overall responsibility for leading and managing development and manufacturing activities for drug substance, DS intermediates, and starting materials for one or more Treeline programs. The scope of the role encompasses process development, scale-up, and characterization/design space mapping of the manufacturing process of a drug candidate, up to and including process performance qualification (PPQ). Operating within a virtual (100% outsourced) business model, the incumbent will have accountability for CDMO selection and the development of strong and enduring business partnerships supporting assigned programs. The successful candidate will also assume a key leadership role in the development, review, and approval of Module 3 sections of CTD regulatory submissions, written responses to regulatory authorities, and TPP/QTPPs. The successful candidate will be an experienced process chemist with significant experience in CMC development and commercialization of small molecules and an in-depth understanding of critical-path activities and interdisciplinary connections associated with late-phase development and product registration. S/he will possess strong leadership, management and communication skills, ensuring that internal and external business partners understand and respect program goals, objectives, priorities, and timelines. Responsibilities Lead and manage cross-functional teams engaged in external cGMP manufacturing of drug substance, DS intermediates, and starting materials. Provide technical and functional project leadership on drug substance process development, manufacturing, and CDMO partner management. Lead and manage process transfers and associated site implementation to support supply chain expansion activities and continuous improvement initiatives. Monitor, track and trend process performance. Develop and implement data analytics to support investigations and provide an historical baseline for future operational and process-related improvements. Support investigations, root cause identification and CAPA implementation associated with manufacturing deviations and associated quality events. Work closely with Analytical Development/QC, Quality Assurance, Regulatory CMC, Supply Chain and external manufacturing operations to ensure operational excellence with respect to timelines, budgets, and attainment of technical, regulatory and business goals/milestones. Lead the selection of drug substance CDMOs based upon core capabilities, capacity and track record of regulatory compliance; establish KPIs to monitor site technical, quality and business performance. Develop and maintain strong relationships with CDMO business partners and participate in Steering Committees as appropriate. Review/approve technical reports, controlled GMP documents and CMC content for Module 3 CTDs. Develop and manage scope, milestones, interdependencies, budgets and timelines associated with drug substance program deliverables. Ensure cross-functional alignment of drug substance program deliverables with overall program strategy. Continuously monitor external business and regulatory environments; identify risks and establish mitigation plans and/or best practices to proactively address Drug Substance and supply chain risk. Represent the Technical Operations organization in meetings with FDA, EMA and related regulatory authorities. Qualifications Ph.D. in Organic Chemistry, Chemical Engineering, or related discipline with a minimum of 12+ years of experience, or Master’s with a minimum of 15+ years of experience in small molecule drug substance development. Track record of success in leading and managing small-molecule drug substance programs in a 100% outsourced environment. Strong vendor/supplier management skills and excellent communication and cross-functional collaboration skills. Competency in developing, implementing and delivering CMC project plans (milestones, timelines, resources, etc.) to successful endpoints. Expertise in authoring and reviewing technical documents including, but not limited to, development reports, master batch records, analytical testing methods, and specifications. Thorough knowledge of the drug development process and ICH requirements for NDA and MAA registration. Extensive experience in working with regulatory authorities. Track record of authoring and defending Module 3 CTD content through regulatory approval and commercialization. Ability to articulate complex issues and ideas with clarity to enable understanding and decision making. Pragmatic, solution-oriented thinker who possesses a “can do” and “whatever it takes” attitude, coupled with excellent organizational and communication skills. Strong interpersonal and decision-making skills with the ability to motivate and influence others, negotiate during situational conflict, and establish the best forward path in the face of competing points of view. Understanding of industry trends, practices, techniques and standards, and associated impact on program strategy and execution. Ability to travel (20%) to CDMO domestic and international sites. Fluency with standard computer software packages (MS Word, Excel, PowerPoint, and Project) and JMP (or similar statistical tools). High level of personal integrity, commitment to excellence and to our patients. Experience in developing and commercializing drugs for oncology is preferred This position is classified as exempt. The anticipated annual base salary range for candidates who will work in Watertown is $229,978 to $277,846. The final base salary offered to the successful candidate will be dependent upon several factors that may include but are not limited to the type and length of experience within the job, and other factors. Treeline Biosciences is a multi-state employer, and this salary range may not reflect positions that work in other cities or states. Recruitment fraud statement Please be aware of recruitment fraud and related job scams, where scammers present themselves as recruiters but are seeking to steal money or personal information. Keep the following in mind to protect yourself: Treeline Biosciences will never ask for money from you as part of our recruitment process. Do not provide bank details or pay somebody for the promise of a job at Treeline. We do not conduct interviews through RingCentral, Skype or Telegram. Our job openings are first posted to treeline.bio/careers. If you locate a listing for a Treeline job on another site, please ensure it is also posted on our careers website. You can find more information about job scams at consumer.ftc.gov/articles/job-scams. To report job scams, head to ReportFraud.ftc.gov. Notice to Search Firms/Third-Party Recruitment Agencies (Recruiters) The Human Resources team manages the recruitment and employment process for Treeline Biosciences. To protect the interests of all parties involved, Treeline Biosciences will only accept resumes from a recruiter if an executed search agreement directed to the particular position or positions is in place at the start of the recruitment effort. Unsolicited resumes sent to Treeline Biosciences from recruiters do not constitute any type of relationship between the recruiter and Treeline Biosciences and do not obligate Treeline Biosciences in any way to pay fees should we hire from those resumes. Recruiters are requested not to contact or present candidates directly to our hiring manager or employees.

Full job record

Job IDe79729a28a92dd0e2896265545794059b6b7e8c0
Org ID2cc1f50b-18fb-4999-b127-402343bd360e
Source IDe82854c6-8617-4dbc-b540-607e4a14d849
Board IDe82854c6-8617-4dbc-b540-607e4a14d849
Providergreenhouse
Provider Job Key6008073004
TitleDirector/Sr Director, Chemical Development
Normalized Title
Statusactive
Activeyes
Location TextWatertown, Massachusetts, United States
DepartmentCMC
Team
Employment Type
Workplace Type
Remote Policy
CountryUnited States
RegionMA
CityWatertown
Salary Rawsalary range for candidates who will work in Watertown is $229,978 to $277,846. The final base salary offered to the successful candidate will be dependent upo
Salary Min229,978
Salary Max277,846
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://job-boards.greenhouse.io/treelinebiosciences/jobs/6008073004
Apply URLhttps://job-boards.greenhouse.io/treelinebiosciences/jobs/6008073004
First Seen At2026-05-29 23:04:08Z
Last Seen At2026-06-18 07:37:59Z
Last Checked At2026-06-18 07:37:59Z
Last Changed At2026-05-29 23:04:08Z
Inactive At
Source Posted At2026-05-28 14:24:18Z
Source Updated At2026-05-28 14:24:18Z
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=treelinebiosciences/date=2026-06-18/2026-06-18T07-37-59-219Z-3718677cbdc7390be6322814a8ebc7fd2cff41cf08ed6f4dfb963c004d2f39e3.json
Event Fields
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Parsed Structured
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Extensions
{}
Native Structured
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  "first_published": "2026-05-28T10:24:18-04:00",
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