Brandon Castro
Staten Island
Summary
Dependable U.S. Marine Corps Administrative Specialist with extensive experience managing personnel and travel programs. Led training initiatives for Marines, processed over 500 travel authorizations, and maintained inspection-ready records. Honored with Navy and Marine Corps Achievement Medal for exceptional contributions to command readiness.
Overview
8
8
years of professional experience
Work History
Construction Worker
CASTRO REALITIES, INC.
St. Petersburg
08.2021 - Current
- Operated heavy machinery during site preparation for construction projects. for efficient site preparation and safe material transport.
- Supported framing, roofing, and finishing tasks on residential projects to ensure timely project completion.
- Performed painting, flooring, demolition, wiring, property maintenance, and cleanup duties in a fast-paced environment while maintaining a zero-accident safety record.
- Exhibited reliability and strong work ethic while collaborating with team to uphold job-site safety and meet completion standards.
- Followed safety protocols to maintain a secure work environment.
Administrative Specialist (0111 / S-1)
UNITED STATES MARINE CORPS
11.2022 - 07.2026
- Administered, reviewed, and processed 500+ Defense Travel System (DTS) authorizations and vouchers supporting official government travel.
- Managed Government Travel Charge Card (GTCC) programs for 120 personnel, ensuring compliance and reducing delinquency rates.
- Trained Marines on DTS, GTCC, and postal operations and conducted peer inspections to improve program compliance and operational readiness.
- Coordinated official travel, schedules, meetings, administrative requirements, records, awards, evaluations, and executive support functions.
- Coordinated travel arrangements and logistics for personnel and equipment mobilization.
- Led, trained, and supported Marines in daily administrative operations, reinforcing accountability, accuracy, professional standards, and mission readiness.
- Processed approximately 82 Electronic Personnel Action Requests (EPARs) and managed personnel accountability through check-in/check-out procedures in SharePoint.
- Processed 45 inbound and 37 outbound personnel interviews, supporting accurate accountability and smooth transitions for Marines.
- Reviewed and processed 38 military awards, 20 SNCO promotion warrants, and 8 junior enlisted promotion warrants.
- Managed 140+ pieces of official correspondence while meeting strict administrative timelines and maintaining accurate records.
- Coordinated official travel, schedules, meetings, and administrative requirements, supporting efficient operations and executive functions.
- Scheduled and coordinated meetings and travel arrangements for staff.
- Organized meetings, preparing agendas and minutes for effective information sharing.
- Organized meetings, prepared agendas and minutes to facilitate effective communication and information sharing.
- Monitored office supplies inventory, placing orders to maintain adequate stock levels.
- Greeted visitors to the office, answered phone calls, and directed inquiries appropriately.
- Processed incoming mail on a daily basis; sorted mail into appropriate categories for distribution or filing purposes.
- Developed and maintained filing systems for both paper and electronic records.
- Arranged domestic and international travel, hotel, and transportation needs for staff.
- Automated office operations by managing internal and external customer correspondence, record tracking and data communications.
- Conducted 12+ postal inspections, including quarterly and CGRI inspections, with minimal to zero discrepancies; supported multiple command inspections resulting in zero findings or minimal discrepancies.
- Processed and distributed 100+ pieces of official and personal mail, completed 36 postal runs, and executed 30 CitiManager reports in support of command operations.
- Managed administrative tasks for operations, ensuring smooth communication across departments.
Delivery Assistant
RANCHERS
Staten Island
07.2020 - 03.2021
- Organized delivery schedules to ensure efficient route planning and execution.
- Delivered products safely and on time while maintaining delivery logs and adhering to lifting and safety protocols, fostering strong customer relationships.
- Assisted in loading and unloading delivery vehicles for timely dispatch.
- Communicated with drivers regarding delivery updates and customer requests.
Summer Youth Park Maintenance Worker
NYC PARKS AND RECREATION
Staten Island
07.2018 - 08.2018
- Maintained park facilities and equipment to ensure cleanliness and safety.
- Maintained beaches, lawns, trees, shrubs, picnic areas, and public facilities to ensure a clean and welcoming environment for visitors.
- Assisted in landscaping tasks, including planting and pruning trees and shrubs.
- Operated power tools for various maintenance projects across park locations.
Education
Path To Graduation -
GED Program
Staten Island, USA 04.2022 - 06.2022
Skills
- Construction Leadership
- Safety and Compliance
- Inspection & Audit Readiness
- Team Coordination
- Travel Coordination
- Records Management
- Data management
- Microsoft Office Suite
- SharePoint
- Problem analysis
- Time optimization
- Client Interaction
- Client relations
Awards Recognition
Navy and Marine Corps Achievement Medal (NAM), Awarded for exceptional administrative performance and contributions supporting successful command/IGMC inspection readiness.
Timeline
Administrative Specialist (0111 / S-1)
UNITED STATES MARINE CORPS
11.2022 - 07.2026
Path To Graduation -
GED Program
04.2022 - 06.2022
Construction Worker
CASTRO REALITIES, INC.
08.2021 - Current
Delivery Assistant
RANCHERS
07.2020 - 03.2021
Summer Youth Park Maintenance Worker
NYC PARKS AND RECREATION
07.2018 - 08.2018