Marcus Silva

Cyber Security Intern | CySA+ | Security+ | CSAP | Azure Certified | DCPT | Computer Science Student

Greater Boston

About

Aspiring SOC Analyst with CompTIA Security+ and CySA+ certifications, bringing hands-on experience in threat detection, SIEM (Splunk), SOAR (Shuffle), and automated incident response. Currently supporting a 60,000+ user healthcare enterprise environment at Lahey Health, maintaining a 75% first-contact resolution rate while applying a security-first mindset to large-scale operations. Strong foundation in network security and red/blue team operations. Fluent in Portuguese and English.

Experience

  • Cyber Security Intern at Clean Harbors
    May 2026 - Present · 2 mos

  • Beth Israel Lahey Health (Boston, Massachusetts, United States · Hybrid)
    • Service Desk Analyst Tier 1
      Nov 2025 - May 2026 · 7 mos

      - Handled an average of 120 tickets per week in ServiceNow, supporting a user base of 60,000 and more than 100,000 devices––resolving an average of 75% of my tickets. - Analyzed Rapid7 InsightIDR authentication reports to investigate recurring account lockouts and determine root causes. - Managed passwords resets and account unlocks with Microsoft Entra and Active Directory. - Provided hardware/software support to desktops, laptops, and peripherals. - Troubleshoot Citrix and Microsoft applications, including Epic Hyperdrive and Office 365. - Supported secure remote access by diagnosing and resolving Palo Alto GlobalProtect VPN issues. - Collaborated with multiple teams including network, cybersecurity, and IAM to ensure quality of service.

    • Service Desk Analyst Tier 1
      Sep 2025 - Nov 2025 · 3 mos

      - Handled an average of 120 tickets per week in ServiceNow, supporting a user base of 60,000 and more than 100,000 devices––resolving an average of 75% of my tickets. - Managed passwords resets and account unlocks with Microsoft Entra and Active Directory. - Provided hardware/software support to desktops, laptops, and peripherals. - Troubleshoot Citrix and Microsoft applications, including Epic Hyperdrive and Office 365. - Supported secure remote access by diagnosing and resolving Palo Alto GlobalProtect VPN issues. - Collaborated with multiple teams including network, cybersecurity, and IAM to ensure quality of service.

  • Revere Cars Group (Revere, Massachusetts, United States · On-site)
    • Automotive Finance and Insurance Manager
      Jun 2024 - Aug 2025 · 1 yr 3 mos

      -Managed financial transactions and loan approvals, ensuring compliance. -Gained experience in data security, fraud detection, and secure transactions.

    • Sales Consultant
      May 2024 - Jul 2024 · 3 mos

      -Drove vehicle sales by building strong customer relationships, identifying client needs, and delivering tailored financing and product solutions. -Managed the full sales cycle from prospecting to closing, consistently exceeding monthly sales targets while maintaining high customer satisfaction ratings.

  • Retail Sales Consultant at AT&T
    Jul 2023 - May 2024 · 11 mos

    -Sales expertise: exceptional sales skills by effectively promoting products, understanding customer needs, and closing sales to achieve targets. -Provided technical troubleshooting and cybersecurity guidance for mobile devices, tablets, and smartwatches. -Configured network settings, VPNs, and security features on mobile devices. -Recognized for strong technical skills and customer service, leading to a promotion within 6 months.

  • Max Cellular - Boost Mobile (Massachusetts, United States)
    • Retail Sales Supervisor
      Dec 2021 - Jul 2023 · 1 yr 8 mos

      -Provided technical troubleshooting and cybersecurity guidance for mobile devices, tablets, and smartwatches. -Configured network settings, VPNs, and security features on mobile devices. -Supervised seven stores in Massachusetts and New Hampshire. -Trained employees.

    • Retail Sales Consultant
      Aug 2021 - Dec 2021 · 5 mos

      -Provided technical troubleshooting and cybersecurity guidance for mobile devices, tablets, and smartwatches. -Configured network settings, VPNs, and security features on mobile devices.