Network Administrator with 5+ Years in IT Operations

ADALBERTO AQUINO

Jacksonville, FL 915-***-**** ***************@*******.*** linkedin.com

IT Professional

Results-driven IT professional with 10+ years of experience in telecommunications, network operations, and technical support within fast-paced, service-driven environments. Proven expertise in Tier 1/2 support, network troubleshooting, and user account management across LAN/WAN infrastructures. Skilled at diagnosing complex hardware and connectivity issues while maintaining high availability, security, and compliance standards. Recognized for strong analytical problem-solving, leadership capabilities, and the ability to deliver reliable, customer-focused technical solutions.

•Network Diagnostic Tools

•Remote Collaboration Platforms

•LAN/WAN Network Support

•TCP/IP Network Protocols

•Virtual Private Networks (VPNs)

•Leadership and Mentorship

•Team Collaboration

•Asset Management

•Customer Service

•Cybersecurity Awareness

•Microsoft 365

•Problem-Solving

•Help Desk Software

•Fiber Optic Network Support

•Wireless Communications

CERTIFICATIONS

•CompTIA A+ 03/2026

•ITIL 4 Foundation 10/2023

TECHNICAL PROFICIENCIES

Operating Systems: Windows

Microsoft Office Suite: Office 365

EDUCATION AND TECHNICAL TRAINING

Star V Learning Centers Jacksonville, FL 02/2026 – 04/2026

CompTIA Career Development Program

Objectives: CompTIA A+, Network+, Server+, Security+, Linux+, Cloud+, and CySA+.

Park University Parkville, MO 03/2019 – 03/2023

Bachelor of Science

Program: Computer Science, Network and Cybersecurity

PROFESSIONAL EXPERIENCE

Star V Learning Centers Networking and Cybersecurity Student Jacksonville, FL 02/2026 – 04/2026

•Completed hands-on labs in network configuration, troubleshooting, and server management, gaining practical skills in designing, securing, and maintaining IT infrastructure for various environments.

•Provided end-user support during lab sessions and group projects, assisting with hardware and software troubleshooting, and improving user experience through practical problem-solving.

•Introduced to Active Directory management and Microsoft Office 365 administration, learning to manage user accounts, permissions, and system resources to ensure secure and efficient operations.

•Gained comprehensive knowledge in IT fundamentals, including hardware, operating systems, and network security, through hands-on training, preparing to troubleshoot real-world IT issues.

•Developed strong technical documentation skills, maintaining accurate records of configurations, processes, and troubleshooting steps to streamline future IT operations and support.

AT&T Wire Technician Jacksonville, FL 02/2024 – Present

•Installed, configured, and maintained telecommunications systems, including copper and fiber optic infrastructure, wireless networks, and customer premises equipment (CPE).

•Performed preventative maintenance and repairs to ensure network reliability, signal integrity, and optimal system performance.

•Diagnosed and resolved network connectivity issues, signal degradation, and hardware failures using industry-standard testing tools and troubleshooting methodologies.

•Provided on-site and remote technical support, clearly communicating issues and solutions to customers and ensuring high service satisfaction.

•Executed installations and service tasks in compliance with company safety standards, quality control procedures, and federal/local regulations.

•Utilized testing equipment (e.g., signal meters, OTDR, cable testers) to validate network performance and infrastructure integrity.

•Documented service activities, troubleshooting steps, and resolutions within internal systems to support operational tracking, reporting, and knowledge management.

•Collaborated with network and operations teams to escalate complex issues and improve service delivery processes.

Spectrum Field Technician EL Paso, TX 03/2019 – 11/2020

•Installed, configured, and troubleshot internet, voice, and cable television services across coaxial and fiber optic networks, ensuring reliable connectivity and service quality.

•Performed signal level analysis, pressure testing, and electrical diagnostics using specialized tools to identify and resolve service disruptions.

•Maintained 100% accountability of equipment and materials, managing inventory tracking and ensuring availability for service operations.

•Served as a designated Safety Driver, enforcing adherence to company policies and regulatory safety standards during field operations.

•Delivered high-quality customer service, achieving and maintaining 98%+ customer satisfaction ratings through effective communication and timely issue resolution.

•Diagnosed and resolved network and hardware issues using structured troubleshooting techniques, minimizing downtime and repeat service calls.

•Documented installation procedures, service activities, and test results to support operational reporting and continuous improvement efforts.

U.S. Army Lead Aircraft Mechanic El Paso, TX 02/2015 – 03/2019

•Performed aircraft maintenance inspections in accordance with technical manuals, ensuring compliance with safety and regulatory standards.

•Removed, installed, and configured aircraft subsystem assemblies, including engines, gearboxes, transmissions, landing gear, rotor blades, hydraulic systems, flight controls, and generators.

•Conducted preventative maintenance, including servicing, lubrication, and system checks to ensure optimal aircraft performance and reliability.

•Executed corrosion control inspections and mitigation procedures, preserving airframe integrity and extending component lifecycle.

•Performed detailed airframe and component inspections, identifying discrepancies and initiating corrective maintenance actions.

•Completed operational checks and system testing to verify functionality and ensure mission readiness.

•Documented maintenance actions, inspections, and discrepancies using standardized forms to support compliance and audit readiness.

•Conducted helicopter teardown and rebuild operations, ensuring proper reassembly and adherence to technical specifications.

•Executed scheduled phase maintenance inspections (125-hour, 250-hour, 500-hour), maintaining aircraft airworthiness and operational readiness.

•Collaborated with maintenance teams to troubleshoot complex mechanical issues and improve maintenance efficiency and turnaround times.

Liberty Communications Support Specialist San Juan, PR 09/2013 – 01/2015

•Delivered technical support to residential, business, and VIP clients via phone and remote access tools, ensuring timely resolution and high customer satisfaction.

•Diagnosed and resolved router, software, and network connectivity issues across WAN, LAN, and wireless environments.

•Analyzed coaxial signal levels and network performance metrics to identify service disruptions and determine appropriate remediation or escalation.

•Escalated complex or unresolved issues to Tier II/III support teams, providing detailed troubleshooting data to expedite resolution.

•Maintained accurate and detailed documentation of incidents, troubleshooting steps, and resolutions within ticketing systems.

•Applied structured troubleshooting methodologies to minimize downtime and improve service reliability.

•Communicated technical concepts clearly to non-technical users, improving customer understanding and overall experience.

Claro Network Operations Center Supervisor San Juan, PR 01/2008 – 09/2013

•Supervised Tier 1 call center operations supporting network and video services, ensuring consistent service delivery and adherence to SLAs.

•Implemented and enforced incident response and escalation procedures, reducing service disruptions and improving outage resolution times.

•Monitored data and video transmission systems across multiple network endpoints, identifying and addressing performance issues proactively.

•Supported high-visibility events, including Pay-Per-View (PPV) and Video on Demand (VOD), ensuring service continuity during peak demand and blackout scenarios.

•Developed and standardized operational procedures and workflows, driving process improvements adopted across the organization.

•Trained and mentored 100+ employees on technical troubleshooting, system operations, customer service standards, and compliance requirements.

•Analyzed operational metrics and incident trends to implement preventative measures and improve network reliability.

•Collaborated with cross-functional teams to resolve complex technical issues and enhance overall service performance and customer experience.

REFERENCES

Available Upon Request.

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