Josmary Feliz

From Confetti to Cybersecurity | GRC | Threat Detection & Incident Response | Risk Mitigation

New York, New York, United States

About

Cybersecurity subject matter expert in incident response, vulnerability management, and IT governance.- delivering 99%+ SLA compliance while managing high-volume ticket queues. I am an expert at triaging security incidents, assessing risks, and implementing mitigation strategies that protect systems and data. Outside of my technical career, I channel my creativity and problem-solving skills through my part-time event planning business. This venture sharpens my skills in strategic planning, rapid problem-solving, and resource management. Whether stopping a cyber threat or pivoting mid-event to meet client expectations, I bring the same precision, creativity, and operational focus to ensure exceptional outcomes. Committed to continuous learning, I bridge technical expertise with resource management, adaptability, and stakeholder collaboration, making me a versatile asset to any security-focused organization.

Experience

  • Guidepoint ()
    • Senior IT Technician - Cybersecurity SME
      Mar 2026 - Present · 5 mos

    • IT Technician - Cybersecurity SME
      Sep 2024 - Jun 2026 · 1 yr 10 mos

      Cybersecurity Subject Matter Expert (SME): • Triage 25% of helpdesk tickets, prioritizing 20% cybersecurity-related incidents while maintaining 99.04% SLA compliance • Deliver global Security Awareness Training and phishing simulations via KnowBe4, significantly enhancing user vigilance • Analyze quarantined emails using Microsoft Defender and Avanan; validate threats through VirusTotal and MXToolbox • Monitor endpoint security with SentinelOne and Capture Client; assess third-party risk posture • Support deployment and operational validation of Tenable Vulnerability Management and Nessus vulnerability scans • Collaborate with Legal and Compliance teams to ensure ongoing adherence to GDPR and ISO 27001 standards • Develop and maintain detailed incident triage workflows and documentation within Atlassian Confluence IT Support & Systems Administration • Deliver technical support for hardware, software, mobile devices, and network issues, consistently meeting SLA targets using Freshdesk and ManageEngine • Manage mobile device and application deployments through Microsoft Intune and JAMF, enforcing security compliance • Coordinate onboarding and offboarding workflows with HR and IT, ensuring accurate account provisioning and IT asset tracking • Troubleshoot and maintain Microsoft Teams Rooms hardware and software, optimizing hybrid collaboration experiences

    • IT Specialist
      May 2018 - Sep 2024 · 6 yrs 5 mos

      Projects: Office Moves & Infrastructure Setup: • Orchestrated multiple office relocations and expansions including NY HQ, NJ, CT, and SF • Traveled onsite to each location to verify network configurations and oversee workstation setups, ensuring smooth transitions and minimal disruption • Engineered VLAN configurations, Netgear switch stacking, and SonicWall firewall setups to enhance network resilience and security • Directed workstation deployments and managed temporary staffing to ensure efficient setup with minimal downtime • Crafted employee communication plans and documentation to support seamless transition during moves • Leveraged Microsoft Planner for detailed project scheduling and stakeholder coordination, ensuring on-time delivery Vendor & Budget Management: • Managed 28+ third-party vendor relationships, including license administration and account distribution • Negotiated procurement and renewal contracts, achieving cost-effective agreements and service continuity • Delivered monthly vendor usage reports to leadership, driving informed decision-making • Directed IT budgeting efforts with Senior VP, CTO, CFO, achieving 10% cost savings via service replacements and contract optimization IT Asset Management: • Developed and enforced ITAM policies managing lifecycle of 2,000+ assets, improving compliance and asset utilization • Managed full PO lifecycle via PO management system, improving cost tracking and budget transparency • Maintained real-time asset inventories reducing risks of unauthorized/untracked devices • Collaborated cross-functionally to optimize workflows, reducing redundant purchases and improving audit readiness

  • Mobile Expert at T-Mobile
    Apr 2014 - Jul 2018 · 4 yrs 4 mos

    ● Built strong relationships with customers, making expert recommendations and helping new customers onboard with their technology needs. ● Delivered the ultimate one-to-one coaching experience to customers as I demonstrate products and accessory functionality. ● Contributed to the overall health and performance of my retail store by supporting daily business operations, including selling technology solutions, stocking inventory, and processing customer transactions when needed. ● Ensured that all interactive displays are operational.

  • Mercy University ()
    • Computer Science Teaching Assistant
      Oct 2016 - Aug 2017 · 11 mos

      • Supported a class of 25+ students by holding weekly office hours and providing targeted assistance, helping several improve from failing grades to B or higher. • Guided students through core programming concepts including problem solving, data representation, algorithm design, and object-oriented programming using Python. • Collaborated with the instructor to develop and improve course materials and lab exercises for enhanced student learning.

    • Coding for Fun (Summer Program) - Python Teaching Assistant
      May 2017 - Jul 2017 · 3 mos

      • Supported 10-session Python programming course teaching high school students, with emphasis on coding fundamentals and computational thinking. • Guided students through project-based coding exercises to strengthen problem-solving, algorithm design, and debugging skills. • Assisted with curriculum delivery focused on core computer science concepts such as data structures, control flow, and functions. • Helped troubleshoot technical challenges, enhancing student understanding of programming logic and syntax.

    • Girls for Coding (After School Program) - Python Programming Teacher/Co-Founder
      Feb 2017 - May 2017 · 4 mos

      • Delivered afterschool sessions teaching basic Python programming to high school girls in Westchester, fostering interest in STEM fields. • Provided mentorship and shared insights on women’s experiences in tech to encourage female participation in technology careers. • Enhanced students’ understanding of technology and STEM concepts through interactive lessons and discussions.