The Seattle Mariners Baseball Club Careers

JOB DESCRIPTION

Job Title:2026 Seasonal Grounds Crew

Department:Ballpark Operations

Reports To:Manager of Groundskeeping

Status:Seasonal, Nonexempt

**This position is expected to last the duration of the regular baseball season or subject to change due to business needs. This position may have a start date as early as the middle of January 2026 and may end as late as early November 2026. Any applicants with a Turf Management Degree or currently in process to obtain such a degree will receive additional attention**

Apply now for the Mariners 2026 Event Staff Team!

At the Seattle Mariners, you will find a diverse, passionate, innovative team of people who work to live our mission every day. We play in an iconic ballpark – T-Mobile Field – in one of the most beautiful, vibrant, and dynamic cities in the world.

We are looking for candidates with exceptional customer service skills to work the season at T-Mobile Park in an exciting and inclusive working environment. T- Mobile Park will host 81 Mariners games in 2025 and a variety of concerts and special events.  We offer a fun, flexible, part time schedule, and you will have the opportunity to discuss your availability commitment with the hiring team.

Event Staff Team Members enjoy free ORCA Cards, 30% Employee Discount, Meal Discount, Complimentary Tickets and Subsidized Parking & Free Shuttle Service.

Applications will be reviewed in January 2026

Primary Objective: Responsible for support, coordination, and assistance of groundskeeping for baseball games and other events. A strong ability to work well with co-workers and supervisors in a team environment is expected. 

Essential Functions:

• Assist with cultural practices to the playing field: mowing, aeration, topdressing, sodding, edging, etc.
• Assist with fertilizer calibrations to efficiently apply foliar and granular products to the field.
• Maintain all dirt areas to MLB Specifications: Game mound, home plate, bullpen mounds, infield dirt, baselines, and warning track.
• Assist in field painting: foul lines, coaches' boxes, logos, etc.
• Maintain a well-organized, clean shop as well as maintain all field equipment.
• Maintain all exterior flowers and landscape: includes watering, fertilizing, and weed control.
• Assist with a wide-range of non-baseball events on field throughout the year.
• Will Perform any other duties as assigned.

Education and Experience:

• Must be 18 years or older. 
• Experience in turf management preferred.
• Previous experience working on baseball fields preferred. 

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

• Authentic and Aware: Exemplifies the highest standards of professionalism and ethics, demonstrating a dedication to doing the right thing and treating everyone with respect. Is self-aware and open to feedback, ability to speak the truth with a positive intent, foster a culture of honesty and builds trust with the team. Commitment to the organization's mission is evident in both words and actions, aligned to actively contribute to the fulfillment of organizational goals.
• Communicate and Collaborate: Values others and their views, actively engaging and partnering with team members. Seeks clarity and shares information transparently, fostering a collaborative environment while influencing others and aligning support. Excels in seeking out and leveraging the right resources, engaging in teamwork with a positive and productive approach. Whether verbally or in writing, communicates in a clear and constructive manner, contributing to an engaged and efficient workplace.
• Execute with Purpose: Takes action and demonstrates accountability, leading with a sense of urgency and dedication to achieving results. Sets and meets challenging expectations for themselves and others, making timely, data-driven decisions and taking ownership of outcomes. Approachable, engaged, and committed; sets a positive tone and cares deeply about the organization. Manages time, priorities, and resources effectively, aiming for and achieving excellence.
• Adapt and Innovate: Acts boldly, fosters innovation, and supports transformational change. Leveraging analysis and insights, develops new directions and solutions, identifying opportunities for improvement and displaying a commitment to fixing them. With an ongoing commitment to learning and self-development, overcomes challenges constructively and adjusts effectively to shifting priorities and rapid change. This approach contributes to a dynamic work environment focused on progress and continuous improvement.

Physical Activities and Working Conditions:

• Ability to lift, carry and transport up to 50 lbs.
• Available to work flexible hours including days, nights, holidays, and weekends.

The Mariners are committed to providing competitive pay, perks, and benefits packages for our valued Team Members. The anticipated starting pay for this seasonal role is between $23.50 - $24.00 per hour.  

All perks are subject to eligibility requirements and availability and may be modified or amended from time to time.

This information is being provided in accordance with the Washington State Equal Pay and Opportunity Act.