Mario A Guerrero

Safely and efficiently operated heavy earthmoving equipment—including hydraulic excavators, dozers, motor graders, backhoes, scrapers, wheel loaders, and vibratory rollers—for large-scale site preparation and infrastructure projects. Executed site clearing, grubbing, rough and finish grading, trenching, excavation, and soil compaction in support of roads, staging areas, structures, and drainage systems. Interpreted engineering blueprints, site plans, cut/fill stakes, and elevation markers to execute precise grade control according to project specifications.

Horizontal Construction Engineer (12N) - Army National Guard

• Safely and efficiently operated heavy earthmoving equipment—including hydraulic excavators, dozers, motor graders, backhoes, scrapers, wheel loaders, and vibratory rollers—for large-scale site preparation and infrastructure projects.
• Executed site clearing, grubbing, rough and finish grading, trenching, excavation, and soil compaction in support of roads, staging areas, structures, and drainage systems.
• Interpreted engineering blueprints, site plans, cut/fill stakes, and elevation markers to execute precise grade control according to project specifications.
• Performed comprehensive Preventative Maintenance Checks and Services (PMCS) and pre-operation safety inspections on heavy equipment, ensuring 100% operational readiness and full compliance with strict safety protocols.
• Loaded, secured, and transported heavy machinery and construction materials using heavy transport vehicles and lowboy trailers in dynamic work environments.
• Coordinated with site supervisors, survey teams, and ground crews to execute daily work plans safely, meeting strict deadlines under demanding conditions.

Director of Operations - Sentry Maintenance Solutions - Santa Barbara, CA

(2025-05 - 2026-03)

• Directed end-to-end maintenance operations, serving as the primary point of contact for service requests and emergency calls.
• Vet, onboarded, and managed a diverse network of subcontractors, ensuring all specialized trades met company standards and safety protocols.
• Streamlined scheduling and dispatching workflows to ensure 100% of maintenance tasks were completed on time and within budget.
• Conducted final reviews of completed work to maintain high-quality service delivery and client satisfaction.

Contract Specialist - Integrated Procurement Technologies - Santa Barbara, CA

(2023-01 - 2025-05)

• Provide exceptional customer service
• Accurately input orders and collaborate with both inside and outside customers on order details
• Become familiar with contract terms and conditions, including government requirements
• U.S. Government contracts under the Federal Acquisition Regulations (FAR), and / or Defense Federal Acquisition Regulations Supplement (DFARS)
• Communicate accurate delivery information and act accordingly when deliveries are not on track
• Partner with other team members to make business decisions on order requirements

Maintenance Coordinator - Ronald R. Wolfe & Associates - Santa Barbara, CA

(2021-01 - 2023-01)

• Assign and route work orders to in-house technicians based on their specific skill sets (plumbing, electrical, HVAC) and current location to optimize daily drive time.
• Coordinate with third-party contractors for specialized repairs, ensuring they have property access and necessary work authorizations.
• Build and maintain a master maintenance schedule that balances daily "fix-it" tickets with long-term preventative maintenance tasks and apartment "turnovers."
• Facilitate "Permission to Enter" agreements with residents, ensuring technicians can access units legally and safely during scheduled windows.
• Track the lifecycle of Every maintenance ticket from initial entry to final completion and resident sign-off using CMMS software (Appfolio)
• Conduct follow-up calls or digital surveys with residents post-repair to ensure the work was completed to satisfaction and the area was left clean.
• Monitor maintenance supply levels based on incoming request trends and order necessary parts to ensure technicians have the "truck stock" needed to complete repairs on the first visit.
• Maintain detailed logs of all resident interactions and maintenance history to assist in identifying recurring property issues or preparing for inspections.

Property Manager - Melendez investments - Santa Barbara, CA

(2018-12 - 2020-12)

• Managed daily operations for a diverse portfolio of properties, acting as the sole point of contact for tenants, owners, and vendors.
• Oversaw the full lifecycle of property repairs, from diagnosing issues and sourcing local contractors to verifying the quality of completed work.
• Streamlined the leasing process, including marketing vacancies, conducting screenings, and managing lease renewals to maintain high occupancy rates.
• Handled essential documentation, including service contracts, insurance compliance, and maintenance logs, ensuring all records were audit-ready.

Bachelor's degree - Construction Management - Indiana State University (2025-01)

Associate's degree - Business Management - Santa Barbara City College (2015-02 - 2017-12)

Bachelor of Business Administration