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Materials Assistant Jobs in Puerto Rico (NOW HIRING)

AES Corporation

Outage & Material Planner

Guayama, PR · On-site

$80 - $100/hr

The primary responsibility is to assist and work with the maintenance team to coordinate AES Puerto ... Create requisitions for stock items, material and services related to routine, major maintenance ...

A&W Canada

Assistant Manager

Medicine Hat, AB · On-site

The Restaurant Manager/Assistant Manager duties include, but are not limited to: * Managing the ... Working with cleaning materials and chemicals * Working in a noisy environment * Working with sharp ...

Acelero Learning

Teacher Assistant

San Juan, PR · On-site

$13.75 - $17.50/hr

Serve as an Assistant Teacher for a Head Start classroom. Share responsibility for a Head Start ... d. the materials needed to support the implementation of the curriculum towards achieving the ...

Acelero Learning

Teacher Assistant

San Juan, PR · On-site

$13.75 - $17.50/hr

Head Start Teacher Assistant Esta oportunidad de empleo es para contratacion directa con nuestro ... d. the materials needed to support the implementation of the curriculum towards achieving the ...

Shine Early Learning

Teacher Assistant

San Juan, PR · On-site

$13.75 - $17.50/hr

Serve as an Assistant Teacher for a Head Start classroom. Share responsibility for a Head Start ... d. the materials needed to support the implementation of the curriculum towards achieving the ...

Shine Early Learning

Teacher Assistant

San Juan, PR · On-site

$13.75 - $17.50/hr

Head Start Teacher Assistant Esta oportunidad de empleo es para contratacion directa con nuestro ... d. the materials needed to support the implementation of the curriculum towards achieving the ...

AES

Outage & Material Planner

San Juan, PR · On-site

The primary responsibility is to assist and work with the maintenance team to coordinate AES Puerto ... Create requisitions for stock items, material and services related to routine, major maintenance ...

C-Axis

Secondary Operations 1

Caguas, PR · On-site

... process to treat surfaces. * Assist with de-greasing and sonic cleaning of metallic and non ... Wash and Pack(MN&PR)/Tube Cutting (PR) * Load the material into the machine * In-feeding and out ...

Costco

Maintenance Assistant

San Juan, PR · On-site

$15.50 - $19.50/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

Caguas, PR · On-site

$15.75 - $20/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

Bayamon, PR · On-site

$13 - $16.25/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

San Juan, PR · On-site

$15.50 - $19.50/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

Bayamon, PR · On-site

$13 - $16.25/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

San Juan, PR · On-site

$11 - $14/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

Costco

Maintenance Assistant

Bayamon, PR · On-site

$13.75 - $17.25/hr

Ensures proper cleanup and disposal of hazardous materials. * Ability to operate vehicles, equipment or machinery. * Assists with department duties as necessary. * Assists in other departments of the ...

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Materials Assistant information

What is a materials assistant?

Materials Assistants are professionals who support the management and movement of materials within an organization, typically in manufacturing, warehousing, or supply chain environments. Their duties often include receiving, storing, and distributing materials, maintaining inventory records, and ensuring materials are available for production or shipment. They work closely with other team members to ensure efficient operations and may use inventory management software to track stock levels. Attention to detail, organizational skills, and physical stamina are important qualities for this role.

What are the key skills and qualifications needed to thrive as a materials assistant?

To thrive as a Materials Assistant, you need strong organizational skills, attention to detail, and a high school diploma or equivalent, with experience in inventory management being advantageous. Familiarity with warehouse management systems (WMS), inventory tracking software, and barcode scanners is typically required. Effective communication, teamwork, and time management are vital soft skills for collaborating with various departments and ensuring timely material handling. These skills ensure efficient inventory control, minimize errors, and support smooth operations within supply chain and production environments.

How does a materials assistant typically collaborate with other departments within a company?

Materials Assistants often work closely with procurement, production, and warehouse teams to ensure that materials are available when needed and inventory levels are maintained. They may coordinate with procurement to track orders and resolve discrepancies, communicate with production staff about material requirements or shortages, and assist warehouse personnel with inventory management. Effective communication and teamwork are essential for Materials Assistants to facilitate smooth operations and prevent delays in the supply chain.

What is the difference between Materials Assistant vs Warehouse Worker?

AspectMaterials AssistantWarehouse Worker
Required CredentialsHigh school diploma, basic inventory knowledgeHigh school diploma, forklift certification often preferred
Work EnvironmentOffice and warehouse settings, assisting with inventory managementPrimarily warehouse, handling physical goods and stock
Employer & Industry UsageManufacturing, construction, logistics companiesDistribution centers, retail, manufacturing facilities
Common Search & ComparisonOften compared for inventory and supply chain rolesRelated but more physically demanding

The Materials Assistant typically focuses on inventory management, documentation, and supporting supply chain operations, often working in office-warehouse hybrid environments. Warehouse Workers handle physical tasks like stocking, moving goods, and operating equipment. While both roles are essential in logistics and manufacturing, the Materials Assistant emphasizes administrative support, whereas Warehouse Workers focus on physical handling of materials.

What are the most commonly searched types of Materials jobs in Puerto Rico?

The most popular types of Materials jobs in Puerto Rico are:

What cities in Puerto Rico are hiring for Materials Assistant jobs?

Cities in Puerto Rico with the most Materials Assistant job openings:

Materials Assistant jobs near you
Infographic showing various Materials Assistant job openings in Puerto Rico as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 12% Part Time, 2% Temporary, 3% Contract, and 1% Nights. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution.

Outage & Material Planner

AES Corporation

Guayama, PR • On-site

$80 - $100/hr

Other

Posted 6 days ago

AES Corporation rating

7.5

Company rating: 7.5 out of 10

Based on 37 frontline employees who took The Breakroom Quiz

37th of 53 rated energy and utility

Job description

The primary responsibility is to assist and work with the maintenance team to coordinate AES Puerto Rico outages in the Guayama power plant, while maintaining system integrity and reliability.

Responsibilities
  • Coordinate all planned transmission, generation and interconnection system maintenance and construction projects/outages with both internal and external entities.
  • Collaborate across multiple groups and departments as necessary to resolve operational and outage planning issues.
  • Look for opportunities to combine outages to optimize system availability, reliability, safety and economy.
  • Communicate outage information in accordance to Standards and Procedures.
  • Maintain a comprehensive 5-year outage plan/schedule.
  • Develop, maintain and present outage management data analysis tools and key performance indicators.
  • Create and manage maintenance plans for both routine and maintenance activities.
  • Create requisitions for stock items, material and services related to routine, major maintenance and CapEx tasks.
  • Participate in CapEx Committee meetings review and support in providing updates of investments.
  • Lead the annual review and improvement of outage management roles and responsibilities.
  • Lead the development of tools to increase the efficiency of outage planning, scheduling, reporting and data entry.
  • Prepare the purchase requirements related to Opex budget for plant maintenance, in accordance with the specifications of the internal customer and assign them to the corresponding work order for subsequent management.
  • Create work orders for capital investments and requirements for services or parts, in accordance with the requirements of the internal client.
  • Estimate the costs of the activities considered in the project portfolio, as well as of the activities in the reconditioning of equipment of high importance in the plant.
  • Control the budget allocated to capital projects, major or annual maintenance (whether Opex or Capex), to estimate the costs of planning the activities.
  • Participate in emergency response efforts as needed.
  • Perform other duties as assigned.
Qualifications
  • Bachelor's Degree in Engineering.
  • 1–3 years of experience in Planning and/or Maintenance.
  • Professional Engineer (PE) License or equivalent professional certification.
  • OSHA Certification.
  • Computerized Maintenance Management System (CMMS) Certification.
  • (Preferred) Project Management Professional (PMP) Certification issued by the Project Management Institute (PMI).
  • (Preferred) Intermediate to Advanced English proficiency.
Skills
  • Computerized Maintenance Management Systems (CMMS).
  • Corrective Maintenance.
  • Maintenance Planning.
  • Outage Planning.
  • Performance Analysis.
  • Physical Asset Management.
  • Predictive Maintenance.
  • Proactive Maintenance.
  • Project Management.
  • Drawing Interpretation.
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