Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Caty Lizama-Diaz

Manassas Park

Summary

As a highly motivated and adaptable young professional, I bring a strong blend of organizational abilities and hands-on experience across diverse roles from customer service to field-based operational tasks. I thrive in fast-paced environments and consistently demonstrate quick learning, effective multitasking, and reliable execution. As a dedicated college student eager to broaden my expertise, I am committed to continuous personal and professional growth. I aim to leverage my skills and experiences to make meaningful contributions while embracing new challenges and opportunities.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Routing Operations Cordinator

AMERI-CANS
Manassas Park
12.2023 - 10.2025
  • Independently managed all route scheduling and daily operational planning, creating and adjusting service routes based on job type, distance, security requirements, staffing levels, and real-time operational needs.
  • Optimized route efficiency by analyzing driver habits, performance patterns, and time usage to identify areas for improvement, redesigning route maps to reduce drive time, and balance workloads across teams.
  • Coordinated with the dispatch team, who interfaced directly with clients, to convey service availability, scheduling limitations, and workload considerations, ensuring accurate client expectations and efficient operational planning.
  • Managed workload distribution by assigning jobs to the appropriate drivers, determining ideal service days for recurring clients, and adjusting schedules for holidays, call-outs, last-minute changes, and real-time emergencies making immediate dispatch decisions.
  • Oversaw the full operational routing process, including assessing new service areas, determining route capacity, and making decisions that supported daily field operations and long-term efficiency.

Office Administrative & Marketing Specialist

Turners Service Co.
Bristow
12.2022 - 12.2023
  • Handled dispatched and scheduling for HVAC/ plumbing technicians for residential and commercial projects, ensuring efficient routes and full workloads.
  • Served as the main liaison between customers, technicians, and part departments to coordinate service calls, track parts, and resolve issues quickly.
  • Managed customer contracts, follow-up calls, billing, invoicing, payment reminders, and collections to maintain accurate financial records and long-term client retention.
  • Took independent ownership of marketing initiatives, creating and executing campaigns, managing social media, and coordinating local advertising.
  • Collaborated with ownership on administrative operations, streamlining office procedures, and improving overall workflow efficiency.

Dispatcher / Scheduling Coordinator

Arminco Air, Inc
Sterling
08.2022 - 11.2022
  • Managed day-to-day operations of the department, including scheduling tasks and assigning duties.
  • Managed communication between crew members and different departments in order to resolve issues quickly.
  • Prioritized tasks and managed project adjustments to successfully manage high-volume service dispatching.
  • Utilized scheduling software to manage shifts and track employee hours effectively.
  • Utilized computer systems to locate addresses, calculate estimated arrival times, and provide directions when necessary.

Customer Service Representative (CSR)

ARS Rescue Rooter HVAC Residential Services
Manassas
06.2022 - 08.2022
  • Handled inbound calls, sent emails, and faxes per day, addressing customer inquiries, solving problems, and providing product information.
  • Made outbound customer calls to schedule appointments, collect payments, and arrange invoices for billing.
  • Entered or updated customer information and key details into a computer system for maintenance agreements and equipment inspections.
  • Performed follow-up calls as necessary to ensure satisfactory resolution of customer inquiries.
  • Followed standard processes and procedures for proper escalation of unresolved issues to appropriate internal teams.

Company Representative

G&D Contractors INC
Manassas Park
04.2021 - Current
  • Prepare and generate invoices and estimates based on data provided by company leadership, ensuring accuracy and timely distribution to clients.
  • Facilitated communication between contractors and clients to ensure clarity.
  • Process and issue company checks for business operations and obligations in accordance with established financial procedures.
  • Maintain comprehensive and organized financial records, including expense reports, receipts, and supporting documentation.
  • Advertised services to the general public via networking, brochures, ads, and multiple listing services to maximize exposure.

Warehouse Unloader

Walmart
Manassas Park
03.2021 - 06.2022
  • Performed physical demanding tasks throughout an entire shift, including lifting and moving heavy items.
  • Operated forklifts, lift gates and pallet jacks with focus on safety and efficiency.
  • Assisted in unloading and loading outbound shipments for delivery by wrapping packages securely with plastic wrap, packing slips, and labels.
  • Receive and verify deliveries: count cartons, scan UPCs or boxes, report discrepancies, track inventory, and damaged goods.
  • Participated in inventory management activities, including stock replenishment and organization.

Assistant Sales Manager

Edge
Fairfax
06.2020 - 03.2021
  • Daily operations of the store, including inventory receiving, supply restocking, cash handling, and assisting customers.
  • Performed daily opening and closing duties such as counting cash drawers and reconciling tills.
  • Processed returns, exchanges, and refunds in accordance with company policies.
  • Arranged new merchandise with signage and appealing displays to encourage customer sales and move overstock items.
  • Performed customer service duties such as greeting customers, answering questions, and resolving complaints.

Education

High School Diploma -

Manassas Park High School
12.2021

Associate of Applied Science - Cyber Security

Northern Virginia Community College
Annandale, VA

Skills

  • Bilingual (English and Spanish)
  • Multitasking Abilities
  • Self-Motivated and Independent
  • Problem solving
  • Computer and electronics skills
  • Providing Customer and Operation Support
  • Operations management
  • Scheduling and Dispatching
  • Logistics coordination
  • Administrative management
  • Warehousing operations
  • Inbound & Outbound Call
  • Microsoft Office Suite
  • Marketing

Certification

• VA Drivers License

• VA Commercial Learner’s Permit - Class A (CLP)

• DOT MEC

Timeline

Routing Operations Cordinator

AMERI-CANS
12.2023 - 10.2025

Office Administrative & Marketing Specialist

Turners Service Co.
12.2022 - 12.2023

Dispatcher / Scheduling Coordinator

Arminco Air, Inc
08.2022 - 11.2022

Customer Service Representative (CSR)

ARS Rescue Rooter HVAC Residential Services
06.2022 - 08.2022

Company Representative

G&D Contractors INC
04.2021 - Current

Warehouse Unloader

Walmart
03.2021 - 06.2022

Assistant Sales Manager

Edge
06.2020 - 03.2021

High School Diploma -

Manassas Park High School

Associate of Applied Science - Cyber Security

Northern Virginia Community College
Caty Lizama-Diaz