Part-Time Baseball Strength & Conditioning Coach

5 Tool Performance • Westwood, MA

23h • Onsite

About The Position

5 Tool Performance is seeking a knowledgeable, motivated Strength & Conditioning Coach to help youth, middle school, and high school baseball athletes develop their strength, speed, movement, and overall athletic performance. The role is based in person at the facility in Westwood, Massachusetts, which has approximately 18,000 square feet of training space, including a dedicated strength and conditioning area. The facility uses an individualized, data-informed approach that combines baseball instruction, physical performance training, and sports technology.

The coach will lead individual and small-group sessions, design age-appropriate training programs, conduct movement assessments and performance testing, and track and adjust athlete progress. The coach will also collaborate with baseball instructors and communicate with athletes and parents. The schedule is part-time, primarily weekday afternoons and evenings (3–9 PM) and/or weekends (9 AM–3 PM). Compensation is listed as an hourly range to be inserted based on qualifications and experience. Additional hours, expanded responsibilities, or full-time employment may become available as programs expand.

Requirements

• Current nationally recognized personal training or strength and conditioning certification, such as NSCA-CPT, CSCS, NASM-CPT, ACSM-CPT, NCSF-CPT, or equivalent.
• Strong understanding of strength training principles, exercise physiology, biomechanics, and proper movement technique.
• Ability to confidently lead and supervise individual and small-group training sessions.
• Understanding of age-appropriate athletic development and safe training practices for younger athletes.
• Strong interest in baseball and the physical demands of the sport.
• Excellent communication skills and ability to motivate and connect with athletes of different ages and abilities.
• Interest in using sports technology, performance metrics, and objective data to improve training outcomes.
• CPR/AED certification or willingness to obtain it before beginning coaching.

Nice To Haves

• Degree in Exercise Science, Kinesiology, Strength and Conditioning, Sports Performance, or a related field.
• Previous experience coaching youth, high school, collegiate, or competitive athletes.
• Baseball playing, coaching, or strength and conditioning experience.
• Experience designing individualized athletic development programs.
• Familiarity with performance testing technologies, including force plates, velocity-based training, or athlete management software.
• Knowledge of rotational biomechanics, throwing-related physical demands, and baseball-specific movement patterns.
• Additional certifications or continuing education in sports performance, speed development, mobility, or related disciplines.

Responsibilities

• Lead individual and small-group strength and conditioning sessions for youth, middle school, and high school baseball athletes.
• Develop and implement age-appropriate programs targeting strength, power, speed, agility, mobility, stability, and overall athletic performance.
• Conduct movement assessments and performance testing to identify athletes’ strengths and areas for improvement.
• Teach proper exercise techniques, movement mechanics, and safe training practices.
• Monitor athlete progress, document results, and adjust programs based on performance and development goals.
• Collaborate with hitting, pitching, and player development coaches to support athletes’ on-field performance.
• Use sports science, technology, and performance data to inform training decisions.
• Communicate with athletes, parents, and fellow coaches to provide feedback and reinforce development goals.
• Maintain a safe, organized, positive, and motivating training environment.

Benefits

• Professional development through collaboration, continuing education, and exposure to different approaches to athlete development.
• Potential for additional hours, expanded coaching responsibilities, or future full-time employment as programs expand.

What This Job Offers

• Job Type: Part-time
• Education Level: No Education Listed