Minor League Strength & Conditioning Coordinator

Seattle Mariners

Peoria, Arizona · MLB · Posted October 12, 2026

$70K – $80K /year

Primary Objective: The Minor League Strength and Conditioning Coordinator will be an integral part of a dynamic team within a high-performance professional baseball environment. This role involves educating and mentoring affiliate staff to elevate the overall strength and conditioning program. Primary responsibilities also include overseeing, developing, and implementing rehabilitation and return-to-play programs at the Minor League Complex in Peoria, AZ. We are seeking a motivated individual who is eager to build strong relationships, foster interdepartmental collaboration, and maintain consistent, effective communication. The ideal candidate will contribute to a culture of progressive thinking and innovation.

Essential Functions:

  • Hold the gym environment to a high standard and in line with current cultural expectations.
  • Create and develop program design models for use in daily preparation, lifting, and conditioning in a rehab setting.

  • Assist in the creation and development of player performance screens and assessments.
  • Monitor daily, weekly, and monthly reports on all minor league athletes.
  • Communicate with Athletic Training, Rehab, PT staff daily to provide a team first approach.
  • Collaborate with field staff coordinators to maximize player performance.
  • Act as a support system for the S&C coaches for questions and clarifications.
  • Evaluate S&C coaches, assess player progress, and ensure high quality work performance.
  • Communicate with the Director of Player Performance to maintain uniformity throughout the organization to provide a seamless transition for all return-to-play athletes under 40-man regulations.
  • Management of MiLB budget and financial reporting.

Education and Experience:

  • CSCS and RSCC certifications
  • Previous experience in baseball (preferred)
  • Previous exposure to rehab and return-to-play environment (preferred)

Competencies, Knowledge, Skills and Abilities (KSA’s):

  • Must be a committed professional, with strong analytic focus. 
  • Ability to relate to athletes and generate program buy-in.

Physical Activities and Working Conditions:

  • Maximum lifting of up to 100 pounds with frequent lifting of weights up to 50 pounds; typically standing and walking for most of the day
  • Position will require non-traditional work schedule including evenings and weekends.
  • Position may require travel.
  • Position is based out of Peoria, Arizona 

Compensation Rate/Range:

The anticipated salary range for this role is $70,000-80,000 annually. The Mariners also provide a robust and unique offering of perks and benefits including paid public transportation, merchandise discounts, special access to baseball games and other public events, and a number of exclusive employee incentives. All perks are subject to eligibility requirements and availability and may be modified or amended from time to time.

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Posted by Seattle Mariners. SportsCareers is a job board, not the employer. Applying takes you to their official careers page.

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