Boost Baseball
Bellevue, WA

Job Description

Boost Baseball is a premier select baseball organization based in Factoria, Washington, founded by former professional players Andre Marshall and Sean White. Our mission is to develop youth athletes through elite-level training, a deep respect for the game, and a strong emphasis on character. Serving players from 11U through high school, Boost Baseball combines professional-level instruction with a team-first culture that prepares athletes for success both on and off the field.

Co-founder Andre Marshall, a former Philadelphia Phillies draft pick and University of Washington standout, brings over 20 years of hitting instruction experience and a track record of sending hundreds of players to college and professional baseball. Co-founder Sean White, a former Seattle Mariners pitcher and Mercer Island native, brings deep knowledge in pitching development and a passion for helping young players grow through structured, intentional coaching.

Position Overview:

Boost Baseball is seeking passionate, committed coaches to lead teams in our youth baseball program for the upcoming season! This part-time position runs from October 2025 to July 2026, and features competitive pay, up to $8,000 for the season for highly qualified coaches.

What to expect:

• 2-3 practices per week
• Tournaments on weekends
• Coaching players ages 8-14
• Opportunities to grow with a dedicated and supportive staff
• Access to indoor training facility and equipment

Qualifications:

• Have baseball playing or coaching experience
• Great communicators with kids and families
• Can bring energy, structure, and leadership to the field
• Must pass a background check

Why Join Boost Baseball?

At Boost, you’ll join a coaching staff rooted in integrity, experience, and mentorship. You’ll be part of a high-level training environment led by seasoned professionals like Andre Marshall and Sean White, with the opportunity to make a lasting impact on the next generation of players—all while working in a flexible and supportive setting.