Rooein Faghieh Nasiri

• Led full lifecycle design, implementation, and troubleshooting of enterprise, data center, and multi-site network infrastructures across education, healthcare, government, and retail sectors.
• Served as Project Lead, managing technical teams and overseeing complex deployments from planning through delivery.
• Acted as a Tier 3 escalation engineer, resolving high-severity incidents and mentoring junior staff.
• Provided day-to-day operational support including advanced troubleshooting, change requests, upgrades, and performance monitoring.
• Designed secure, scalable network topologies using core, distribution, access, and data center spine-leaf architectures.
• Extensive hands-on experience with routing protocols such as EIGRP, OSPF (multi-area), and BGP, including route redistribution, summarization, and policy-based routing.
• Deployed and supported MPLS, VPLS, and VXLAN overlays in multi-tenant and hybrid environments.
• Used Python for network automation tasks including bulk configuration, compliance checks, device inventory, and CLI template generation.
• Conducted vulnerability assessments and penetration testing; implemented mitigation strategies in coordination with security teams.
• Created detailed network documentation: physical and logical diagrams, IP schemas, ACLs, VLANs, and firewall rules.
• Managed backups, patching, firmware upgrades, and disaster recovery planning.
• Supported and integrated multi-vendor environments: Cisco, Meraki, Palo Alto, Check Point, Juniper, Arista, HP, Aruba.
• Worked with various professional network monitoring systems and applications (e.g., SolarWinds, PRTG, Cisco Prime, NetFlow analyzers, LogicMonitor) for proactive performance monitoring, alerting, and capacity planning.

• List of the Projects:
  
  1. Transbay Cable Project
  2. University of San Francisco
  3. Peet’s Coffee
  4. Town of Windsor
  5. Sonoma Marin Area Rail Transit (SMART)
  6. Mountain View–Los Altos High School District
  7. Northern California Medical Associates
  8. City of Healdsburg
  9. Sonoma Valley Hospital
  10. Sonoma County Fire District
  11. Sacramento City Unified School District
  12. Roseville Joint Union High School District
  13. Grammarly
  14. Fastly Inc.

San Francisco International Airport – Terminals T1/T2/T3

• Served as part of the core design team responsible for architecting the network infrastructure across SFO terminals.
• Designed and configured core, distribution, access, and firewall devices to support mission-critical airport operations.
• Configured and maintained routers, switches, firewalls, and load balancers to ensure high availability and performance.
• Monitored performance and availability using enterprise-grade tools and conducted log reviews to identify and resolve inefficiencies.
• Evaluated emerging networking technologies to enhance system reliability and performance.
• Ensured compliance with SLAs and fulfilled all client network requirements.
• Provided technical support to users and mentorship to junior engineers to improve team capacity and knowledge.
• Implemented and validated networking services according to detailed solution designs and change control processes.

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• Designed and configured a Cisco ACI spine-and-leaf architecture for high-performance and scalable data center networking.
• Troubleshot complex issues in ACI environments, significantly reducing downtime and improving network responsiveness.
• Monitored system metrics to ensure speed, availability, and reliability across environments.
• Configured and installed routers, switches, and firewalls to enhance overall security posture and operational performance.
• Implemented secure remote access using firewalls and VPNs, strengthening network perimeter defenses.

Alameda Unified School District

• Designed, deployed, and maintained LAN and WAN infrastructure across multiple campuses and administrative offices.
• Configured Cisco ASA firewalls to provide advanced security, antivirus protection, and remote access capabilities.
• Collaborated with cross-functional teams to align network infrastructure with district-wide educational and administrative initiatives.
• Deployed and maintained wireless access points and controllers to ensure robust connectivity in high-density environments.
• Met with stakeholders to advise on hardware/software decisions and deliver project updates.
• Used network monitoring tools to optimize and upgrade infrastructure, ensuring minimal disruption and proactive maintenance.
• Conducted scheduled maintenance during off-hours to preserve service availability.

• Designed, implemented, and maintained a secure multi-branch MPLS intranet network, enabling seamless and encrypted interoffice communication and collaboration.
• Configured and managed over 30 Cisco routers, 20 Catalyst switches, and 4 VPN routers, ensuring reliable WAN and LAN connectivity across all sites.
• Maintained and monitored 3 Cisco ASA firewalls in collaboration with the Network Security team, enhancing security posture and enforcing access control policies.
• Delivered 24x7 support, consistently achieving >99% network uptime across all critical business locations.
• Actively participated in network redesign projects to improve segmentation, redundancy, scalability, and encryption.
• Configured and supported WAN links including MPLS, Point-to-Point, and Point-to-Multipoint topologies.
• Consolidated legacy routing protocols (RIP, IGRP, EIGRP) into a unified OSPF domain, improving route convergence and network scalability.
• Deployed redundant network architectures using HSRP, VRRP, and dual-homed switches to ensure high availability and fault tolerance.
• Designed and installed robust enterprise networks with Cisco routers, Catalyst 6509 switches, and Firewall Services Module (FWSM) in HA mode with OSPF.
• Used SolarWinds for network monitoring and performance optimization, proactively resolving latency and throughput issues.
• Collaborated with cross-functional teams to plan and implement new networks or modify existing designs based on evolving business needs.
• Identified, analyzed, and resolved network performance bottlenecks, ensuring consistent and secure connectivity.

• Designed and implemented customized network solutions for new clients, ensuring scalability, performance, and alignment with business needs.
• Worked closely with the sales team to scope technical requirements, propose solutions, and deliver successful post-sales implementations.
• Installed and configured Cisco routers and switches across small to mid-sized customer environments, following project-specific topology and security guidelines.
• Configured network services and infrastructure including DHCP, DNS, and Active Directory on Microsoft Server 2003 platforms.
• Installed, configured, and supported network monitoring tools such as SolarWinds, enabling visibility into performance metrics and alerts.
• Provided hands-on support for Huawei routers in client environments where alternative vendor solutions were required.
• Applied OS and firmware updates across servers, routers, switches, and firewalls to maintain stability and security.
• Replaced or upgraded faulty hardware components to restore and enhance network performance with minimal disruption.