Edgardo Lopez
Kingsville,TX
Summary
Proactive tech-savvy innovator with hands-on experience in emerging technologies and passion for continuous improvement. Skilled in identifying opportunities for technological enhancements and implementing effective solutions. Adept at leveraging new tools and methods to solve problems and enhance productivity. Excels in adapting to fast-paced environments and driving technological advancements.
Overview
5
5
years of professional experience
1
1
Certification
Work History
IT Manager/Security Engineer
Heil Law Firm
04.2025 - Current
- Cybersecurity Role
- Consolidated and reorganized GoDaddy’s Azure tenant through a process called defederating, removed unnecessary global admin permissions, and established a secure, company-controlled administrative account.
- Configured attack surface reduction rules, initially as audit mode to get a baseline and then later in block mode to adhere to zero trust policies.
- Configured DMARC and SPF records for company email domain increasing email security and trust. Set up rules and alerts to flag potentially malicious emails, phishing scams and mitigate email spoofing.
- Enrolled all company-owned devices into Microsoft Intune; deployed EDR solutions for protection and monitoring, including tuning detection rules to reduce false positives.
- Integrated all endpoints and the firewall into a SEIM, enabling centralized monitoring for company owned devices. After implemented daily duties were monitoring for any intrusion, suspicious logins and malware.
- Collaborated with management to get the entire organization from no MFA to every user having MFA enabled and logins monitored, with evidence blocking unknown logins from threat actors.
- Reduced attack vectors by designing and deploying VLAN segmentation, isolating personal and IoT devices from critical company systems containing sensitive information.
- General IT responsibilities
- Configured and maintained core network hardware such as switches, routers, and VoIP systems.
- Implemented network-attached storage (NAS) solutions to improve data accessibility and reliability.
- Secured new network deployments by configuring gateways with IPS/IDS, strengthening overall cybersecurity posture.
- Implemented and managed a help desk ticketing system ensuring timely issue resolution and generating daily ticket reports.
- Diagnosed and repaired hardware issues, including hard drive swaps and migrations, laptop battery replacements, desktop motherboard replacements, and printer connectivity/driver troubleshooting.
- Implemented and managed cloud PBX platforms (Unifi Talk, GoToConnect, RingCentral) by configuring users, groups, call flows, and deploying a range of endpoints including IP desk phones, softphones, and conference systems.
- Performed inventory management by tracking serial numbers, MAC addresses, and associated employees for all deployed devices, while maintaining documentation of static IP allocations to ensure accurate network mapping and troubleshooting.
- Installed security cameras to monitor areas with sensitive information, and IT infrastructure.
Lead Structured Cabling Technician
Communication Construction Services
07.2023 - 08.2025
- Worked on a variety of military bases assisting deployment of secured wireless networks.
- Installed cabling , both copper and fiber between NECs and nodes for new networks.
- Programming and deploying ethernet extenders (Actelis) to connect building using legacy infrastructure such as 110 blocks.
- Installing Wi-Fi access points (APs)
- Tested copper/fiber after installation to ensure they were working correctly.
- Performed troubleshooting and repair of existing structured cabling problems.
- Performed other troubleshooting for personnel on barracks, including issues with phones (VoIP), television, and camera systems.
- Programmed and deployed Aruba equipment in segmented networks for various branches of the US military. Equipment includes Distro switches, controllers, firewalls, routers and switches.
- Conducted surveys with costumers to begin work order, go over the scope of work and plan deployments.
- End of installation walk throughs with costumers to ensure equipment is working properly and customer is satisfied, as well as conducting heatmaps to ensure Wi-fi coverage is optimal.
- Managed IT asset inventory by documenting serial numbers, MAC addresses, and static IP assignments for deployed equipment and employee-issued devices.
Network Technician
Net Sync/IPS Staffing
09.2023 - 04.2025
- Worked with Network/Audio Engineers to deploy new and update existing wireless networks.
- Installing Wi-Fi access points, switches on server racks, UPS to existing and new switches.
- Deploying IP phones.
- Installed Data retention system at Data centers.
- Installed Digital signage, TVs, cameras and speakers.
- Ran cabling (Cat6) for equipment meeting BICSI standards
- Managed IT asset inventory by documenting serial numbers, MAC addresses, and static IP assignments for deployed equipment and employee-issued devices.
Service Technician
WillScot | Mobile Mini
10.2020 - 02.2023
- Carpentry, worked as a team to repair/modify mobile office units. Including floor rot, installing new walls/doors and windows, as well as roofing.
- Certified to operate company vehicles, would often work in the field installing furniture, cabinets, cubicles, ADA compliant ramps etc. According to customer blueprints.
- Data packages, installed hubs inside offices for internet connectivity, installing CAT6 data cable ports.
- Installing APs for Wi-Fi connectivity
- Mounting TV’s according to customers needs.
Education
Cybersecurity (Certificate) -
02.2023
Skills
- SIEM Integration & Monitoring (centralized logging, alert triage, intrusion detection)
- Endpoint Detection & Response (EDR) – Microsoft Defender, Intune enrollment & management
- Threat Detection Tools – Microsoft Attack Surface Reduction (ASR) rules, Defender suite
- Email Security – DMARC, SPF, phishing/spoofing mitigation & alerting
- Identity & Access – MFA enforcement, Azure AD/Entra ID hardening, privileged access reduction
- Network Security – VLAN segmentation, firewall IPS/IDS configuration
- Incident Response Basics – Suspicious login investigation, malware detection, alert correlation
- Tools/Platforms – Microsoft 365 Security, Azure tenant management, help desk ticketing
- Soft Skills – Analytical troubleshooting, cross-functional collaboration, documentation & reporting
- Network infrastructure - Installing switches, firewalls, APs, fiber and copper
Accomplishments
Significantly improved organizational security posture by increasing Microsoft Secure Score from the low 20s to 74% through targeted Azure/M365 configurations. Proven in implementing zero-trust controls (MFA, Conditional Access), hardening environments, reducing attack surfaces, and performing daily monitoring to detect intrusions, phishing, and unauthorized access.
Certification
- TWIC Card October 2022 to October 2027
- CompTIA Security+ June 2023 to June 2026
Languages
Spanish - Intermediate
Bilingual
English - Fluent
Timeline
IT Manager/Security Engineer - Heil Law Firm
04.2025 - Current
Network Technician - Net Sync/IPS Staffing
09.2023 - 04.2025
Lead Structured Cabling Technician - Communication Construction Services
07.2023 - 08.2025
Service Technician - WillScot | Mobile Mini
10.2020 - 02.2023
UTSA - Cybersecurity (Certificate),