William Costa
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William Costa Email & Phone Number

Consulting Systems Engineer | Cyber Security Specialist | Instructor | Writer | Speaker | Researcher at Fortinet
Location: São Paulo, Brazil 8 work roles 2 schools
1 work email found @fortinet.com 1 phone found area 196 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email w****@fortinet.com
Direct phone (196) ***-****
LinkedIn Profile matched
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Current company
Role
Consulting Systems Engineer | Cyber Security Specialist | Instructor | Writer | Speaker | Researcher
Location
São Paulo, Brazil
Company size

Who is William Costa? Overview

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Quick answer

William Costa is listed as Consulting Systems Engineer | Cyber Security Specialist | Instructor | Writer | Speaker | Researcher at Fortinet, a with 7689 employees, based in São Paulo, Brazil. AeroLeads shows a work email signal at fortinet.com, phone signal with area code 196, and a matched LinkedIn profile for William Costa.

William Costa previously worked as Consulting Systems Engineer at Fortinet and Systems Engineer at Fortinet. William Costa holds Information Security Postgraduate, Information Security from Senac.

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Email format at Fortinet

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{first_initial}{last}@fortinet.com
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Profile bio

About William Costa

Speaking Engagements:Delivered presentations on advanced topics such as XSS vulnerabilities, CSRF Token Bypass techniques, and exploiting security appliance web consoles.Presented insightful talks on emerging security threats and defensive strategies, offering actionable insights to enhance organizational security.Professional Experience:With over 16 years of experience in Information Security and 19 years in Information Technology, I have a demonstrated track record of managing complex security infrastructures, including IPS/IDS, firewalls, content filters, and antivirus solutions. My expertise extends beyond operational management to include conducting thorough vulnerability assessments and log analysis.I have successfully led and delivered multiple high-impact information security projects, showcasing my ability to design, plan, and execute effective security strategies. My experience also involves team leadership, where I have trained and mentored professionals in various network security solutions such as firewalls and web filtering. Additionally, I foster a culture of continuous learning, encouraging research and development in the information security domain.This diverse background reflects my holistic approach to information security, combining deep technical expertise with strong leadership and strategic planning capabilities.Certifications and Specializations:CISSP, CEH, ECSA, CEPT, CPT, CompTIA Security+, EXIN ISFS 27002, NSE (levels 1-5, 7, 8), XTREME.I specialize in information security, penetration testing, and network administration.Publications:Authored a book on implementing security with FortiOS (ISBN 9788539909049).Shared knowledge and insights through presentations available on Slideshare.

Listed skills include Firewalls, Network Security, Cissp, Ips, and 41 others.

Current workplace

William Costa's current company

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Fortinet
Fortinet
Consulting Systems Engineer | Cyber Security Specialist | Instructor | Writer | Speaker | Researcher
sunnyvale, california, united states
Website
Employees
7689
AeroLeads page
8 roles

William Costa work experience

A career timeline built from the work history available for this profile.

Consulting Systems Engineer

Current

São Paulo, Brasil

In my current role, I drive technical engagement with customers and resellers, showcasing Fortinet's products and solutions. I provide strategic pre-sales support to Fortinet Sales teams, resellers, and distributors across Latin America and the Caribbean, boosting sales and client satisfaction.I maintain expertise in Fortinet's product line and key technology disciplines: Security Infrastructure, Security Enforcement, Security Management, and Security Intelligence. I act as a subject-matter expert in pre-sales design reviews, providing guidance to Field Systems Engineers.I lead product demonstrations, proof-of-concept sessions, and technical workshops that accelerate the sales cycle and highlight Fortinet's competitive advantages. I assist resellers in designing security solutions, ensuring high-quality products and services that meet customer needs. I also participate with SE peers to design secure IP networks, leveraging Fortinet's product line for superior solutions.My responsibilities include conducting performance tests, analyzing results, and creating reports that drive product improvement and provide insights for our sales and technical teams.I deliver training to enhance knowledge of Fortinet solutions among partners, resellers, and distributors. I mentor System Engineers within Virtual Teams, serve as a Virtual Team Leader, and represent the International Sales Organization in meetings and committees. I work with Product Management and Engineering to identify, qualify, and develop critical product features, contributing to Fortinet's success.I create technical documentation and interface with business and technology partners, sharing knowledge with field Systems Engineers. My experience spans international projects, driving technical excellence that impacts business outcomes.

May 2022 - Present

Systems Engineer

Aug 2020 - May 2022

It Network Security Engineering Manager

Along with managing the Engineering team, where our focus is on discovering new technologies and fostering innovation in connectivity and security, I also oversee Capex management, ensuring strategic and efficient allocation of capital expenditure funds. My responsibilities extend to Datacenter management, involving the maintenance and optimization of data storage and processing facilities.I play a vital role in managing contracts and maintaining robust relationships with suppliers, which includes negotiating and ensuring compliance with various contracts to support our operational and strategic objectives. Additionally, I provide high-level support to the sales and support teams as a Level 3 contributor, offering expert guidance and solutions to complex challenges, thereby enhancing customer satisfaction and driving sales performance.

Mar 2019 - Jul 2020

Cyber Security Engineer

São Paulo E Região, Brasil

Oct 2018 - Mar 2019

Cyber Security Coordinator | Senior Consultant In Cyber Security.

São Paulo E Região, Brasil

I lead the deployment, configuration, and support of network security products, including firewalls, content inspection (IPS/AV/Anti-Spam), and VPN solutions. This involves knowledge transfer, establishing rules and access policies, and diagnosing network infrastructure faults.As a project coordinator, I manage resources and teams, demonstrating deep problem-solving skills. I engage in security projects, designing solutions that meet client needs, and work across pre-sales and post-sales phases. My expertise spans network and application security, internet infrastructure projects, firewalls, intrusion detection and prevention systems, anti-spam, VPNs, and unified threat management (UTM).I am also responsible for designing and implementing security architectures, deploying infrastructure components like operating systems, access points, routers, and switches. As a trainer, I have delivered over 70 sessions on security solutions to more than 700 participants from diverse sectors.My skills extend to vulnerability analysis, pentesting, exploit and payload creation, and information security management. I have successfully led a team of four, overseeing the delivery of over 500 Information Security projects.

Mar 2014 - Oct 2018

Information Security Consultant

São Paulo Area, Brazil

DEPLOYMENT, CONFIGURATION AND SUPPORT NETWORK SECURITY PRODUCTS, FIREWALLSYSTEMS, CONTENT INSPECTION (IPS/AV/ANTISPAM AND OTHER), VPN SOLUTIONS,KNOWLEDGE TRANSFER, CREATING RULES, ACCESS POLICIES, VERIFICATION OF FAILURES INNETWORK INFRASTRUCTURE, DOMAINS• DEEP TROUBLESHOOTING NETWORKS KNOWLEDGE. • WORK IN SECURITY PROJECTS: DESIGN AND PROPOSE THE BEST SOLUTION THAT FITS ONCUSTOMER NEEDS. PRODUCT PRE-SALES AND POS-SALES, NETWORK SECURITY DESIGNS ANDIMPLEMENTATION, PROJECTS FOR INTERNET INFRASTRUCTURE, FIREWALLS, INTRUSIONDETECTIONS/PREVENTIONS, ANTI-SPAM, VIRTUAL PRIVATE NETWORKS, THREADMANAGEMENT (UTM) SOLUTIONS. • DESIGN AND IMPLEMENTATION OF SECURITY ARCHITECTURE.• IMPLEMENTATION OF INFRASTRUCTURE COMPONENTS: OPERATING SYSTEMS, ACESS POINT, ROUTERS AND SWITCHES. • TRAINING INSTRUCTOR OF NETWORK SECURITY SOLUTIONS (FIREWALL, IPS, WEB FILTERING,ANTIVIRUS, NETWORK). MORE THAN 40 TRAINING APPLIED AND MORE THAN 300 ATTENDEESFROM DIFFERENT REGIONS AND COMPANIES.

Mar 2009 - Oct 2018

Trainee Information Security,

São Paulo

CONSULTANT AND SUPPORT: FIREWALL, IDS/IPS, WEB FILTER, EMAIL FILTER. DESIGNTOPOLOGY, MEET WITH CUSTOMER TO DEFINE THE BEST SECURITY SCENARIO.CONFIGURATION SUCH AS ACCESS POLICIES, ACCESS CONTROL IN GATEWAY OF VPN,VERIFICATION OF FAILURES IN INFRASTRUCTURE NETWORK, INSTALLATION ANDCONFIGURATION SERVER OPERATING SYSTEMS (WINDONS, LINUX), SUPPORTINFRASTRUCTURE IN CUSTOMER AND REMOTE.

Mar 2007 - Mar 2008
Team & coworkers

Colleagues at Fortinet

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2 education records

William Costa education

Information Security Postgraduate, Information Security

Senac

The postgraduate course is designed to cultivate experts in information security, focusing on developing methodologies to safeguard.

Redes De Computadores, Informática

Faculdade Sumare
FAQ

Frequently asked questions about William Costa

Quick answers generated from the profile data available on this page.

What company does William Costa work for?

William Costa works for Fortinet.

What is William Costa's role at Fortinet?

William Costa is listed as Consulting Systems Engineer | Cyber Security Specialist | Instructor | Writer | Speaker | Researcher at Fortinet.

What is William Costa's email address?

AeroLeads has found 1 work email signal at @fortinet.com for William Costa at Fortinet.

What is William Costa's phone number?

AeroLeads has found 1 phone signal(s) with area code 196 for William Costa at Fortinet.

Where is William Costa based?

William Costa is based in São Paulo, Brazil while working with Fortinet.

What companies has William Costa worked for?

William Costa has worked for Fortinet, Linx, Xerpa, Trtec, and Trtec Informática.

Who are William Costa's colleagues at Fortinet?

William Costa's colleagues at Fortinet include Cheick Omar Tidiani Koita, Christin Oster, Tieu Poh Ling, Andrew Cooper, and Aathi Aathi.

How can I contact William Costa?

You can use AeroLeads to view verified contact signals for William Costa at Fortinet, including work email, phone, and LinkedIn data when available.

What schools did William Costa attend?

William Costa holds Information Security Postgraduate, Information Security from Senac.

What skills is William Costa known for?

William Costa is listed with skills including Firewalls, Network Security, Cissp, Ips, Security, Linux, Fortinet, and Ceh.

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