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, VASkills
- 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
• 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