Information Systems Student | Marketing Minor

Celso Gramajo

celso@gramajo.email Hidden CA hire.celsogramajo.com

Customer-focused professional with over two years of experience in high-volume quick-service restaurant operations. Experienced in customer service, cashiering, point-of-sale (POS) systems, food preparation, drive-thru operations, delivery order management, and guest experience. Cross-trained across nearly every operational area of the restaurant, demonstrating strong leadership support, adaptability, operational efficiency, and attention to detail. Currently pursuing a Bachelor of Science in Information Systems Software Technology with a Minor in Marketing at California State University, Northridge.

View Experience

Work Experience

Crew Member (Grill Regular Menu)

McDonald's, Van Nuys & Glenoaks
July 2024 - July 2026
  • Cross-trained across all core restaurant operations, including front counter, drive-thru, kitchen, food preparation, order fulfillment, cashier, POS, delivery services, and guest experience, providing operational support wherever needed.
  • Delivered fast, accurate, and friendly customer service in a high-volume environment while processing cash, credit, and digital transactions with accuracy.
  • Prepared food according to company quality, food safety, and sanitation standards while assisting with food preparation, inventory stocking, workstation organization, and overall restaurant cleanliness.
  • Coordinated with kitchen, front-of-house staff, and management to ensure efficient order fulfillment, smooth daily operations, and an exceptional guest experience.
  • Managed in-store, mobile, and third-party delivery orders while maintaining speed, accuracy, and customer satisfaction.
  • Proactively resolved customer concerns, promoted a welcoming dining environment, and supported initiatives that enhanced overall service quality.
  • Provided guidance and support to team members, assisted with operational coverage and break coordination, and contributed to maintaining productivity during peak business hours.
  • Demonstrated adaptability by performing virtually every operational position within the restaurant, quickly responding to changing business demands while consistently meeting performance expectations.

Cashier

Pollo Campero
February 2026 - April 2026
  • Delivered friendly, efficient customer service while accurately processing cash, credit, and digital transactions using POS systems.
  • Assisted guests with menu selections, order customization, and issue resolution to ensure a positive dining experience.
  • Maintained order accuracy while coordinating with kitchen staff to support timely preparation and fulfillment of dine-in, takeout, and delivery orders.
  • Applied previous quick-service restaurant experience to quickly learn and support multiple front-of-house operations as business needs required.
  • Assisted with food preparation, stocking, workstation organization, and restaurant cleanliness while following food safety and sanitation standards.
  • Collaborated with managers and team members to maintain efficient daily operations and high service standards during busy periods.
  • Demonstrated adaptability by supporting multiple operational areas beyond cashier responsibilities, contributing to overall restaurant performance and guest satisfaction.

Education

Bachelor of Science in Information Systems - Software Technology

California State University, Northridge (Minor in Marketing)
Aug 2024 - Present

High School Diploma

John H. Francis Polytechnic HS, Sun Valley
Graduated: 2024

Technical & Operational Skills

Technical & Software

HTML CSS JavaScript SQL Microsoft Excel Microsoft Word Microsoft PowerPoint Google Workspace Windows macOS Point-of-Sale (POS) Systems

Core Operations

Fast-Paced Restaurant Operations Food Service Operations Food Preparation & Order Accuracy Food Safety & Sanitation Cash Handling & Payment Processing Drive-Thru & Front Counter Operations Delivery & Mobile Order Management Inventory Stocking & Organization Break Coordination & Team Coverage Quality Assurance & Attention to Detail Order Coordination & Workflow Management

Leadership & Soft Skills

Adaptability & Cross-Functional Support Multitasking Under Pressure Customer Service Excellence Leadership & Team Support Team Collaboration Guest Experience Management Customer Satisfaction & Retention Time Management & Prioritization Problem Solving & Conflict Resolution Operational Efficiency Communication & Interpersonal Skills Reliability & Accountability

Projects

Slam Poem Podcast

Digital Audio Architecture
August 2021 - June 2024 (Spring)
  • Slam Poem is an online podcast I am currently working on; it has taken me since 2023 just to plan how it would be released.
  • Currently establishing the architecture to ensure that by 2028, Slam Poem will be fully ready for everyone online.
  • Core philosophy of the project: "Poetry isn't just words but weapons we need to know how to use."