Senior It Hybrid Cloud

HAMILTON O BIECUNAS

California, ***** United States +1-818-***-**** ********.**********@*****.*** LinkedIn

PROFESSIONAL SUMMARY

I am a results-driven Senior IT Infrastructure, Network Security Architect, and Security Leader with over 20 years of experience designing, implementing, and optimizing secure, high-performing hybrid cloud environments for mid-sized to enterprise organizations. I excel in driving digital transformation, leading cloud migrations, modernizing infrastructure, and strengthening cybersecurity posture, with a proven record of reducing risks, improving system reliability, and delivering cost-efficient, scalable solutions aligned with business goals.

Expert in Azure security architecture, firewalls, zero trust, and hybrid cloud design, with advanced knowledge of Azure Firewall, VNets, NSGs, Application Gateway, Load Balancers, ExpressRoute, VPN Gateway, and Microsoft Defender for Cloud. Skilled in TCP/IP, DNS, VPNs, BGP, IPSec, SSL/TLS, and designing secure enterprise and cloud-native networks.

TECHNICAL SKILLS

Cloud Platforms & Virtualization: Microsoft Azure (VNets, NSGs, Azure Firewall, Application Gateway, Load Balancers, ExpressRoute, VPN Gateway, Defender for Cloud, Azure Policy, Azure Security Center, Arc, Monitor, Sentinel, Key Vault, DevOps, Machine Learning), AWS (EC2, IAM, Organizations, S3, RDS, CloudFormation, SageMaker), Google Cloud Platform (GCP, Vertex AI), Microsoft 365 (Exchange Online, SharePoint, Teams), VMware vSphere/ESXi, Hyper-V, Citrix, Azure Active Directory, Azure Site Recovery, Azure Key Vault, Azure Automation

Security & Compliance: Firewalls (Azure Firewall, Palo Alto, Cisco ASA, Fortinet, SonicWALL), IDS/IPS, SIEM (Splunk, QRadar, Azure Sentinel, Elastic SIEM), Endpoint Protection (CrowdStrike, Defender ATP, SentinelOne), Zero Trust Architecture, SASE, MFA/SSO, PKI, NAC, Conditional Access, Penetration Testing, Vulnerability Management (Qualys, Nessus), DLP, Threat Intelligence, AI-driven Threat Detection (Splunk ML Toolkit, Microsoft Defender AI, QRadar AI Security Analytics), NIST, ISO 27001, GDPR, CCPA, HIPAA, SOX, CIS Controls, SOC 2

Networking & Infrastructure: TCP/IP, DNS, DHCP, VLAN, VPN, SD-WAN, BGP, OSPF, IPSec, SSL/TLS, Load Balancing (Azure Application Gateway, Azure Load Balancer, F5, Citrix Netscaler), Routing & Switching (Cisco, Juniper, Arista), Network Segmentation, VoIP, QoS, Wireless Networking (Aruba, UniFi, Meraki), PoE, LAN/WAN Optimization, Network Monitoring (SolarWinds, PRTG, Nagios, Prometheus, Grafana with ML anomaly detection)

Backup, Recovery & Storage: Veeam Backup & Replication, Commvault, Acronis, Windows Server Backup, SAN, NAS, iSCSI, NetApp, Dell EMC, HPE 3PAR, Immutable Backups, Disaster Recovery Planning (DRP), Business Continuity Planning (BCP), Backup Encryption, Data Archiving Solutions

Automation, DevOps & Scripting: PowerShell, Bash, Python, Ansible, Terraform, Azure CLI, AWS CLI, Git, GitHub, GitLab, Jenkins, CI/CD Pipelines, Infrastructure as Code (IaC), Packer, ARM Templates, YAML Automation, AI Ops (ServiceNow AI, Azure Monitor AI Insights, AWS DevOps Guru)

IT Operations & Monitoring: ITIL Framework, Incident & Problem Management, Change Management, Asset & License Management, SCCM, Microsoft Endpoint Manager, SNMP, Syslog, SCOM, ServiceNow, BMC Remedy, Zabbix, PagerDuty, Predictive Analytics & AI Monitoring (Grafana ML, Elastic Anomaly Detection, SolarWinds AI Ops)

Collaboration & Productivity Tools: Microsoft 365, Google Workspace, Jira, Confluence, Trello, Asana, Miro, Lucidchart, RingCentral, Zoom, Webex, Proofpoint Email Security, Microsoft Copilot, Google Duet AI, ChatGPT Enterprise

Leadership & Soft Skills: Executive IT Strategy, Team Leadership & Mentoring, Cross-Functional Collaboration, Vendor & Contract Management, Risk Assessment & Mitigation, Strategic Planning & Execution, Stakeholder Engagement, Decision-Making & Problem-Solving, Change Management, Communication & Negotiation

PROFESSIONAL EXPERIENCE

EXPATIATE COMMUNICATION Dec 2024 – Apr 2025

Senior System Administrator (Contract)

Led a full-scale cloud migration, moving 100% of on-premises infrastructure to Microsoft Azure, integrating Microsoft 365, and replacing Google Drive with SharePoint Online, improving collaboration efficiency by 25%.

Designed secure hybrid cloud architectures leveraging Azure Firewall, NSGs, Application Gateway, VPN Gateway, and ExpressRoute.

Implemented Microsoft Intune and AI-driven endpoint management across 400+ devices, achieving 100% compliance and proactively identifying potential security risks.

Developed PowerShell and Python scripts leveraging AI/ML for automation of server provisioning, patch deployment, and compliance monitoring, reducing manual workloads by 50%.

Integrated Zero Trust Architecture principles, combining multi-factor authentication (MFA), conditional access, and Microsoft Defender for Cloud to strengthen security posture.

Deployed AI-enabled monitoring tools to detect anomalous system behavior and predict potential failures, minimizing downtime and improving incident response times.

Created detailed IT documentation, SOPs, and disaster recovery runbooks to enhance team readiness, onboarding, and adherence to NIST and ISO 27001 security standards.

JUNIPER NETWORKS May 2024 – Oct 2024

Network & Operations Manager (Contract)

Directed end-to-end network operations across multiple field offices, optimizing Microsoft 365, SharePoint, and Exchange services to improve document control and workflow efficiency by 30%.

Configured and deployed secure Azure-connected networks with VLAN segmentation and advanced firewall policies.

Standardized LAN architecture using structured cabling and PoE-only switches, increasing network reliability by 45% and enabling centralized device management for 200+ endpoints.

Implemented AI-based network analytics to detect unusual traffic patterns, anticipate potential security breaches, and proactively mitigate risks.

Established firewall and VPN architectures for hybrid cloud and IoT environments.

Delivered comprehensive technical documentation and conducted training sessions to upskill junior IT staff on network operations, cloud integration, and AI-enabled monitoring tools.

Oversaw vendor procurement and service contracts, ensuring timely, cost-effective delivery of IT resources while leveraging AI-driven analytics for vendor performance tracking.

ANASTASIA BEVERLY HILLS INC. May 2022 – Mar 2024

Network & System Administrator Manager

Led consolidation and optimization of IT infrastructure across three global data centers, improving server utilization, reducing operational costs by 28%, and integrating AI-based performance monitoring.

Deployed Veeam Backup & Replication and predictive AI analytics to ensure SLA-compliant recovery for mission-critical systems, achieving 100% backup success.

Reduced system downtime by 30% by resolving 90% of incidents within a four-hour SLA through AI-driven monitoring, alerting, and predictive issue resolution.

Implemented and maintained cybersecurity measures with Azure Firewall, Application Gateway, Defender for Cloud, and Security Center.

Coordinated with cross-functional teams to deploy new systems, troubleshoot technical issues, and implement AI-assisted operational efficiency tools.

Mentored and guided IT support staff, introducing AI-driven troubleshooting and automation techniques to enhance problem-solving and team efficiency.

Negotiated vendor contracts, managed service agreements, and leveraged AI-based analytics to optimize procurement and service delivery performance.

WIRELESS WATCH DOGS Mar 2018 – Feb 2021

Senior Network & System Administrator

Administered enterprise network infrastructure including switches, routers, firewalls, and wireless access points, maintaining 99.9% uptime with AI-based monitoring support.

Designed secure VPN solutions and BGP routing to support hybrid environments and remote access.

Managed Windows Server and Linux environments, Active Directory, DNS, DHCP, and Group Policy, supporting over 500 users with AI-assisted account provisioning.

Oversaw server virtualization using VMware vSphere and Hyper-V, optimizing resource utilization, reducing hardware costs by 20%, and automating maintenance with AI scripts.

Deployed enterprise wireless networks with AI-driven performance monitoring, ensuring seamless connectivity across all operational areas.

Developed and maintained detailed system documentation, network diagrams, and SOPs, and conducted AI-powered end-user training sessions for improved security and operational efficiency.

SL POWER Aug 2017 – Mar 2018

Network Administrator & System Administrator (Contract)

Maintained enterprise network infrastructure including switches, routers, firewalls, and VPNs, achieving 99.9% uptime using AI-driven monitoring tools.

Managed Windows Server and Linux-based environments for over 250 employees, including user account creation, group policy management, and access permissions.

Monitored system performance with Nagios and SolarWinds, implementing AI-assisted predictive maintenance to reduce downtime by 25%.

Managed LAN, WAN, VPN, and firewall configurations, enabling secure, reliable connectivity for on-site and remote employees.

Maintained detailed documentation of network topology, system configurations, and administrative procedures for operational efficiency.

Coordinated with vendors and third-party service providers to procure hardware, software, and network services aligned with business needs.

Implemented AI-driven scripts to automate repetitive administrative tasks, improving workflow efficiency and reducing manual errors.

ZIDE & O'BIECUNAS Sep 1998 – Dec 2018

System Administrator

Administered Windows Server and Linux environments, ensuring optimal performance and security for over 150 on-premises and remote workstations with AI-assisted monitoring.

Managed Active Directory, DNS, DHCP, and Group Policy, streamlining account provisioning and reducing access issues by 40%.

Oversaw hardware and software upgrades, improving system efficiency and reducing downtime incidents by 25% year-over-year.

Implemented firewalls, VPN, and hybrid cloud readiness for secure enterprise connectivity.

Coordinated with vendors and third-party service providers for procurement, maintenance, and support activities.

Developed and documented IT procedures, policies, and standard operating guidelines to improve team efficiency and onboarding.

Assisted in IT infrastructure planning, capacity management, and integration of AI-based automation for monitoring and maintenance.

EDUCATION

Bachelor of Science in Information Technology

Woodbury University, California

Magna Cum Laude, Honor Society, Delta Mu Delta

CERTIFICATIONS

PMP: Project Management Professional

Certified Scrum Master (CSM)

SAFe 5.1 Certified Agile Practitioner

CompTIA Security+

Cisco Certified Network Associate (CCNA)

Network+, A+, MCITP (Windows 7 Support)

Dell Certified Systems Expert (DCSE)

SonicWALL Administrator Certified

SELECTED ACCOMPLISHMENTS

Reduced average system downtime by 30% through improved monitoring, patching, and redundancy.

Cut security incidents by 40% using advanced IAM protocols, Azure Firewall, and MFA.

Increased junior staff proficiency by 30% via structured mentoring and documentation.

Recovered from critical infrastructure failures with zero data loss, maintaining 99.9% uptime.

Eliminated $15K in annual communication costs by deploying VOIP and consolidating tools.

Maintained SLA adherence with 90%+ first-time resolution rate across multiple engagements.

Drove operational excellence through centralized asset tracking, backup automation, and proactive threat detection.

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