Join the best radiopharmaceutical company in the world!

If you’re looking to make an impact while building a meaningful career in a specialized, fast-growing field, NorthStar Medical Radioisotopes is the place to do it. NorthStar Medical Radioisotopes is a growing, commercial-stage company focused on advancing patient care by providing therapeutic radioisotopes and novel radiopharmaceuticals to detect and treat cancer.

At the forefront of NorthStar’s technological innovation is scientific excellence, using first-in-kind electron accelerator technology and integrated campus capabilities to drive progress in radiopharmaceutical manufacturing. Our work is driven by a meaningful mission—advancing life-saving radiopharmaceutical development and ensuring a reliable supply of critical medical isotopes for patients in need. As a rapidly growing organization operating on the cutting edge of science, we offer exceptional career growth and professional development opportunities, supported by world-class facilities and a competitive benefits package.

The Key Account Manager, Established Accounts owns the commercial success of NorthStar’s current, existing Contract Development and Manufacturing Organization (CDMO) customer relationships within the radiopharmaceutical therapy (radioligand therapy / targeted radiotherapeutics) space. This individual serves as the primary commercial point of contact for an assigned portfolio of active biopharma and biotech customers across the development, clinical, and commercial lifecycle of radiotherapeutic and radiodiagnostic programs — from existing clinical-supply agreements through commercial launch and long-term supply.

The Key Account Manager, Established Accounts is accountable for retaining and growing NorthStar’s existing accounts: building executive-level trust, expanding the scope of work within current customer relationships, leading commercial and contract negotiations, and ensuring existing customers experience NorthStar as a strategic, reliable partner for isotope supply, drug substance/drug product manufacturing, and radiopharmaceutical development services. This role is focused on NorthStar’s current CDMO customer base; identifying and closing new-logo customers is owned by the Business Development function.

This role works in close partnership with Program Management, which owns operational execution of customer programs. The Key Account Manager, Established Accounts owns the commercial relationship and growth trajectory of each existing account; Program Management owns delivery against contractual commitments. This role reports to the Senior Director, CDMO.

• Serve as the primary commercial lead for assigned CDMO customer accounts, building and maintaining executive-level relationships while acting as the customer's advocate across internal functions.
• Develop and execute strategic account plans that align NorthStar's radiopharmaceutical manufacturing, isotope production, development, and commercial capabilities with customer objectives.
• Drive customer retention, satisfaction, and revenue growth by identifying expansion opportunities, managing account pipelines, and forecasting revenue across existing accounts.
• Lead commercial negotiations for contracts, pricing, statements of work, renewals, and scope changes in partnership with Finance, Program Management, and senior leadership.
• Partner cross-functionally with Operations, Quality, Regulatory, Technical, and Program Management teams to ensure successful customer onboarding, project execution, and delivery of commercial commitments.
• Lead executive business reviews and support proposal development by providing customer insights, competitive intelligence, and growth strategies.
• Maintain expertise in the radiopharmaceutical therapy market, industry trends, isotope supply dynamics, and competitive landscape while representing NorthStar at customer meetings, industry conferences, and commercial forums.

After 3 months you will:

• Develop a working understanding of NorthStar’s radiopharmaceutical CDMO capabilities, customer programs, contractual commitments, and key technical, quality, regulatory, and supply-chain considerations.
• Establish effective working relationships with Program Management, Operations, Manufacturing, Quality, Regulatory, Supply Chain, Finance, and Business Development to clarify responsibilities, handoffs, and escalation pathways.
• Review assigned customer accounts, including current agreements, program status, revenue expectations, relationship history, risks, and near-term expansion opportunities.

After 6 months you will:

• Begin developing account plans and customer engagement strategies that support retention, relationship health, and organic growth within the existing CDMO customer base.
• Build familiarity with NorthStar’s pricing, proposal, change-order, forecasting, and contract-renewal processes to support consistent commercial execution.
• Participate in customer meetings and Executive Business Reviews to understand customer priorities, strengthen relationships, and identify opportunities to improve the customer experience.

MINIMUM EDUCATION/EXPERIENCE

• Bachelor’s degree in life sciences, business, or a related field required.
• Seven years of experience in key account management or strategic customer relationship management within a CDMO, CMO, pharmaceutical, or biotech environment, with a focus on managing and growing existing customer relationships.
• Demonstrated track record of retaining and growing revenue within an existing strategic account base and negotiating complex, multi-year commercial agreements.

PREFERRED QUALIFICATIONS

• Advanced degree such as an MBA or MS preferred.
• Prior experience in radiopharmaceuticals, nuclear medicine, radioligand therapy, or a related regulated manufacturing environment strongly preferred.
• Working knowledge of radiopharmaceutical development and manufacturing, isotope supply chains, GMP requirements, and the regulatory pathway from IND through commercial approval.

Please note the company cannot provide immigration-related sponsorship (including H-1B status, O-1 status, Optional Practical Training support, etc.) for this position.  Each successful applicant will be required to complete the Form I-9, Employment Eligibility Verification, demonstrating both identity and employment authorization, on or before the first day of employment.  Under federal law, only truthful information may be provided on the Form I-9.

• Medical, dental, and vision insurance
• Healthcare Flex Spending Account (FSA) and Dependent Care FSA
• Company-paid short-term and long-term disability
• Company-paid life insurance & AD&D coverage
• Pet insurance
• 401(k) match
• Paid holidays and paid time off (PTO)
• Paid parental leave
• Bonus plan
• Equity Incentive Program

This role may involve working in a controlled cleanroom environment, general office setting, or specific manufacturing areas. Conditions may include:

• Exposure to varying temperatures, both indoors (heated/air-conditioned spaces) and outdoors
• Noise levels range from quiet to loud, depending on the work area
• Specific vision abilities, including near vision, visual acuity, and color discrimination

Personal Protective Equipment (PPE) is required and may include:

• Respirators, gloves, safety glasses, and full protective clothing
• Compliance with cleanroom gowning protocols (e.g., removal of all jewelry, including piercings)
• Prohibition of cosmetics, fragrances (perfume, aftershave), and nail products, including polish, artificial nails, or extensions

As a radiopharmaceutical manufacturing site, radiation may be present in the laboratory and production areas. Employees in this role may be required to:

• Follow strict radiation safety procedures
• Participate in dosimetry monitoring and bioassay testing as part of the company protocol
• Inform leadership of any health conditions that may affect product integrity, by cleanroom standards

NorthStar Medical Radioisotopes is proud to call Beloit, Wisconsin home. Our headquarters and primary manufacturing facility are located in this vibrant, growing community that combines the charm of a small city with the advantages of a central Midwest location. Beloit features a lively, revitalized downtown filled with local restaurants, shops, and cultural events, and is just a short drive from major metropolitan areas including Madison, Milwaukee, Chicago, and Rockford.

Situated in the heart of the South Central Wisconsin and Northern Illinois region, Beloit offers a rare blend of urban amenities and scenic natural surroundings. Whether you’re drawn to outdoor recreation, educational institutions, the arts, or historic landmarks, the area provides rich and diverse experiences for all interests. A variety of nearby communities, ranging from rural towns to suburban neighborhoods, offer flexible housing options and access to multiple school districts, making Beloit an excellent choice for individuals and families considering relocation.

NorthStar Medical Radioisotopes is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.