AeroCareers Job Posting: Just Posted Opening:Maintenance Assistant(Antioch,CA,USA) | Hiring at Costco Wholesale Corporation. This is a Full Time role in Antioch, CA, USA, CA. Salary: Negotiable.

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Just Posted Opening:Maintenance Assistant(Antioch,CA,USA) | Hiring

Posted on October 24, 2025

Antioch, CA, USA, CA Full Time Negotiable

Your Next Step in Antioch, CA, USA

Primary Details

  • Posted: Recently.
  • Job Title: Maintenance Assistant
  • Location: Antioch, CA, USA, CA
  • Employer: Costco Wholesale Corporation (Hiring in Antioch, CA, USA)
  • This Antioch, CA, USA-based role is an excellent opportunity for professionals skilled in relevant skills.
  • Our Costco Wholesale Corporation team in Antioch, CA, USA, CA is growing.
  • Benefit from working in Antioch, CA, USA, a key hub for the a dynamic industry.

Salary and Benefits

  • Compensation:
  • Benefits: Eligible team members receive standard benefits.
  • Impactful work with supportive local leadership.

Position Scope

  • Core objectives involve your professional skills in a dynamic.


Costco Wholesale Corporation is a multinational corporation known for operating a chain of membership-only warehouse clubs. Established in 1976, Costco has grown into one of the largest retailers globally, offering a wide range of products including groceries, electronics, clothing, and household goods at competitive prices. Catering primarily to members, Costco focuses on providing quality products in bulk quantities, making it a favorite for both families and businesses. The company is recognized for its commitment to employee welfare, offering a comprehensive benefits package that includes paid time off, health benefits like medical, dental, vision, hearing aid, pharmacy, behavioral health, and an employee assistance program. Additionally, employees have access to health care reimbursement accounts, dependent care assistance plans, short-term and long-term disability insurance, accidental death and dismemberment (AD&D) insurance, life insurance, a 401(k) plan, and an employee stock purchase plan. This robust benefits program highlights Costco’s dedication to its workforce, ensuring competitive compensation and support for personal and professional growth. The role in question is for a Janitorial and Maintenance position within one of Costco’s warehouse locations. This role is crucial to maintaining the cleanliness and general upkeep of the warehouse facilities and surrounding grounds. Those employed in this position will be responsible for delivering high-quality janitorial services, ensuring that the environment is safe, clean, and well-maintained for both employees and customers. The position includes routine cleaning tasks, handling waste disposal, upkeep of restrooms, floors, and general warehouse areas, as well as basic maintenance duties that support the smooth operation of the facility. Being a key part of the operational team, this role demands reliability, attention to detail, and the ability to work independently and as part of a team. The janitorial and maintenance staff also contributes to the overall safety and appearance of the warehouse, which directly influences customer satisfaction and operational efficiency. Given that Costco emphasizes employee well-being, this role comes with a comprehensive benefits package, underlining the company’s commitment to creating a supportive and rewarding work environment. Although the listing notes that specific positions may not be currently open, applicants can expect a standard pay range reflective of similar roles in this industry, competitive with local market standards.
  • high school diploma or equivalent
  • prior experience in janitorial or maintenance work preferred
  • ability to lift heavy objects
  • availability to work flexible hours including weekends
  • ability to follow safety guidelines
  • basic English proficiency