Kyle De Jesus

• Managed AWS and Azure cloud environments to enhance scalability, enforce robust security measures, and integrate Salesforce systems seamlessly, enabling uninterrupted service delivery and supporting organizational initiatives.
• Proactively monitored infrastructure performance, swiftly diagnosing and resolving critical issues to sustain high
  availability, minimizing downtime, and ensuring continuous operational efficiency.
• Administered enterprise IT infrastructure, managing Cisco Meraki networks, endpoints, and routers, streamlining
  operations, and strengthening network reliability across the organization.
• Led collaboration with cybersecurity teams to identify, prioritize, and remediate vulnerabilities using Qualys, Zscaler, Microsoft Defender, and Palo Alto firewalls, reducing organizational risk and improving defensive posture.
• Developed and implemented PowerShell scripts to automate repetitive IT tasks, significantly enhancing operational efficiency and reducing manual workload for the IT team.
• Facilitated seamless integration and support for Salesforce platforms including Copado, and Blackline, optimizing workflows and enabling Salesforce platform collaboration for end-users.
• Applied ITIL best practices for service management via ServiceNow and MS Teams, standardizing processes,
  improving incident response times, and elevating overall service delivery quality.
• Collaborated with cross-functional teams to audit infrastructure health and optimize AWS and Azure resources, achieving a 25% cost reduction while maintaining optimal performance and secure configuration standards.
• Supported clients in maintaining compliance-aligned environments by implementing best practices modeled after SOC 2 controls, emphasizing access management, change control, logging, and incident response readiness.
• Investigated cybersecurity incidents in ServiceNow, monitoring login activity and access events to detect and escalate potential unauthorized access.
• Supported secure remote connectivity and Zero Trust web filtering using Zscaler, and monitored email/messaging
  threats using Microsoft Defender.

Key Skills:
Palo Alto Networks | AWS | Azure | Cisco Meraki | PowerShell | Salesforce | ITIL | Zscaler | Qualys | ServiceNow

• Provided remote and on-call technical support for former Department of Defense colleagues, offering expert guidance on network administration, virtualization, and cybersecurity hardening for Azure and on-premises environments.
• Acted as the primary subject-matter expert (SME) for legacy Windows/Linux systems and mission-critical
  applications, supporting troubleshooting, configuration issues, role-based access questions, and secure user access workflows.
• Advised junior and mid-level administrators on best practices aligned with NIST 800-53, DoD STIGs, SOC
  readiness, and ITIL service operations, strengthening their ability to execute secure configuration, change control, and incident handling.
• Supported security initiatives by recommending improvements to patching cadence, identity management, MFA enforcement, and secure authentication workflows across virtualized and physical systems.
• Assisted teams in monitoring and analyzing security events using baseline log sources and host-level telemetry, helping them interpret indicators of compromise and strengthen local detection/response procedures.
• Ensured continuity of operations by preserving institutional knowledge, documenting system behaviors, and resolving escalated issues no longer supported internally after organizational transitions.
• Served as a trusted technical advisor, providing leadership, mentorship, and training to DoD colleagues navigating personnel turnover, legacy infrastructure limitations, and evolving cybersecurity requirements.
• Continued professional development, completing a Bachelor’s degree while balancing family responsibilities and supporting spouse’s military commitments.

• Managed 24/7 IT operations for multiple unclassified and classified networks supporting 3,000+ users, achieving
  99.99% system uptime through proactive monitoring, rapid incident response, and coordinated support across
  network, systems, and cybersecurity teams.
• Oversaw all IT departments—including network engineering, cybersecurity, systems administration, and service desk ensuring operational readiness and continuity for mission-critical systems.
• Oversaw enterprise cybersecurity operations, including SIEM/SOAR monitoring, detection engineering, incident
  response, vulnerability remediation, and enforcement of DoD-aligned security controls and compliance frameworks.
• Applied federal cybersecurity standards (NIST 800-53, NIST RMF, DoD IA policies) to guide secure configuration,
  authorization, documentation, and risk-based decision-making across enterprise systems.
• Managed cryptographic security operations by supervising key generation, rotation, distribution, and safeguarding for Top Secret and below communication systems, while directing secure message center procedures ensuring integrity and confidentiality of all classified and unclassified traffic.
• Led secure messaging operations governing the flow of unclassified, secret, and top-secret communications, ensuring confidentiality, integrity, and availability of critical intelligence and operational data.
• Collaborated globally with NCTAMS LANT, NCTAMS PAC, and naval forces across Japan to coordinate enterprise communications, cybersecurity posture, and network service continuity across geographically dispersed operations.
• Trained and supported multiple joint and naval units—including Task Force 76, Expeditionary Unit 7, the 31st Marine Expeditionary Unit, and Tactical Air Control Squadron 12—on secure communications, cybersecurity best practices, and operational IT readiness.
• Led a cross-functional team of 25 personnel with targeted training programs and mentorship, increasing productivity
  by 20% and improving incident resolution speed by 40%.
• Enhanced cybersecurity posture by implementing hardened configurations, compliance controls, and layered security defenses, reducing security incidents by 35% and meeting certification requirements within six months.
• Reduced MTTD and MTTR by 45% by implementing automated alerting, SIEM tuning, and enrichment workflows, significantly improving detection and response performance across all networks.
• Achieved and sustained 95–98% enterprise patch compliance by establishing structured remediation cycles, KPI tracking dashboards, and cross-team coordination to eliminate vulnerabilities before exploitation.
• Conducted formal internal zone inspections (internal IT audits) across multiple network enclaves, reviewing system baselines, access controls, patching status, and overall cybersecurity compliance; delivered remediation plans that strengthened operational readiness.
• Supported external audits with the Naval Audit Service (NAVS) and Board of Inspection and Survey (INSURV) by
  gathering evidence, demonstrating established technical and security procedures, and walking auditors through
  operational workflows — resulting in successful assessments with no major findings.

Key Skills:
Team Management | IT Operations | Security Policies | Virtualization | Incident Response | ITIL

• Managed and maintained enterprise network and system infrastructure supporting 2,500+ users across multiple
  classified and unclassified domains, ensuring high availability, secure configurations, and adherence to DoD
  cybersecurity requirements.
• Administered core IT services—including LDAP/Active Directory, Exchange, DNS, SQL, and PKI—for globally
  distributed users, ensuring identity integrity, directory synchronization, and secure messaging between cross-domain environments.
• Led advanced security hardening initiatives by implementing Cisco Secure configurations, firewall rule baselines, McAfee IDS/IPS tuning, and continuous SIEM monitoring, significantly reducing unauthorized access attempts and threat exposure.
• Configured and optimized Cisco Catalyst switches, Dell EMC storage arrays, and VMware/Hyper-V virtualization
  platforms, improving resource utilization and enabling rapid recovery during maintenance or contingency operations.
• Directed and mentored a team of 25 IT professionals across network, system, cybersecurity, and messaging functions establishing role-based workflows, enforcing change-control discipline, and improving response readiness.
• Collaborated with national and global Navy communication hubs—including NCTAMS LANT and NCTAMS PAC—to synchronize communication plans, troubleshoot WAN outages, and maintain reliable fleet connectivity.
• Supported tactical and expeditionary units (TF-76, Expeditionary Unit 7, 31st MEU, TACRON-12) by providing expert guidance on secure communications, cross-domain messaging, and mission-critical network services during high-tempo operations.
• Achieved and sustained 95–98% enterprise patch compliance by implementing structured remediation cycles, KPIdriven dashboards, and coordinated maintenance windows, reducing exploitable vulnerabilities across all enclaves.
• Enhanced operational governance by improving documentation standards, updating continuity-of-operations procedures, and implementing log review and threat-triage processes aligned with NIST, DoD IA, and ITIL service management principles.

Key Skills:
Network Security | VMware | Hyper-V | Cisco Networking | Team Leadership | Cybersecurity | ITIL