Open To Work
Sevan Aghasarian
Reston
Summary
Accomplished IT professional with over 24 years of experience in strategic design and implementation of enterprise and hybrid cloud solutions. Expertise in architecture and management of large-scale enterprise security and AI data center networks. Proven ability to develop hybrid cloud strategies and lead network design for high-performance RDMA and computing solutions.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Lead Consultant Prof Services
AT&T
Reston
05.2025 - Current
- Upgrading of critical hardware components and modernization of FAA network architecture and implementing advanced network security posture
- Provided expert guidance in formulating strategic solutions for cyber security, hybrid cloud, data center, and WAN environments.
- Act as a bridge between technical architecture and business decision-makers to ensure technical and business clarity and alignment
- Configuring and managing network security, including ZTNA (Zero Trust Network Access), SWG (Secure Web Gateway), and FWaaS (Firewall-as-a-Service).
- Deploying highly secure encrypted tunneling protocols and advanced encryption technologies to develop impermeable pathways for all inter-data center traffic
- Deployed and maintained network security protocols to ensure compliance with government regulations and standards.
- Develop and maintain secure and highly efficient network architectures for both classified and unclassified systems.
- Experience designing Cisco UCS-X series for AI/ML
- Networking experience with Cloud systems, on-premises systems, Kubernetes, Containers, and CI/CD.
- Troubleshot and monitored network, diagnosing issues and implementing solutions using performance monitoring tools.
- Experience with RDMA networking (RoCE), including congestion control, reliability and performance tuning
- Experience with Nexus switches management and automation through Cisco Nexus Dashboard Fabric controller
- Developing and implementing complex network architecture to encrypt multicast traffic
- Implement BGP, OSPF, VRF, and MP-BGP for EVPN control planes to extend Layer 2 and Layer 3 connectivity between different network sites and segments
- Deployment of operation, networking and troubleshooting tool for AI solutions on Cisco Infrastructure
- Network architect for building AI fabrics and GPU clustering
- Collaborated with network architecture and security teams to identify and assess security risks.
Sabbatical leave traveling overseas
08.2024 - 04.2025
Senior Network and Security Engineer
07.2017 - 07.2024
- Supported federal/public sector government contracts for Judiciary, Department of Homeland Security, and Department of Defense, ensuring compliance and security standards.
- Design and implement SDWAN (Viptela) routing, security and WAN optimization of SDWAN fabric for supporting government agencies
- Implementing Cisco ISE .1X security posture for secure network remote and corporate access
- Implementing and configuring Cisco ACI fabric for Leaf and Spine Switches
- Design and implement WAN technologies using IGP and EBGP routing protocols such as BGP, OSPF, ISIS for hybrid cloud and peering with service providers
- Implemented and deployed zero trust components using Zscaler, including Zero Trust Network Access (ZIA, ZPA)
- Spearheaded design, implementation, and operational deployment of Cisco Prime Infrastructure to enhance network management capabilities.
- Successfully spearheaded the comprehensive design, implementation and operational deployment of Cisco CSPC Solutions
- Implement BGP, OSPF, VRF, and MP-BGP for EVPN
- Deployed pivotal network monitoring and configuration management solutions.
- Implementing and meticulously configuring network flow technologies (NetFlow and sFlow) across diverse network infrastructure components
- Collaborated with AT&T NetBond and Microsoft ExpressRoute to establish routing for O365 services, facilitating cloud connectivity.
Senior Network, Cloud and Security Engineer
CSS/Aitheras
01.2017 - 07.2017
- Configured and managed Cisco and Fortinet firewalls to enhance network security and performance
- Implemented security postures and firewall policies on the FortiGate platform using Fortinet Manager
- Managed Cisco routers and switches across data centers to ensure reliable connectivity and optimal performance
- Design and implement WAN technologies using IGP and EBGP routing protocols such as BGP, OSPF for cloud peering and peering with service providers
- Deployed security and routing instances in AWS cloud for direct connect and remote access between on-prem and cloud networks
Technology Consultant
HCL America and TCS
08.2016 - 01.2017
- Provided technology consulting to Fortune 500 companies, including Facebook and Microsoft, enhancing network systems and infrastructure reliability.
- Assisted in maintaining Facebook's global networking infrastructure by ensuring optimal performance and reliability.
- Experience working with Juniper routers such as MX-960, MX 480
- Experience working with Juniper switches EX-8200, EX-4200
- Worked with F5 load balancers to provide support of application load balancing for Microsoft Global network
- Managed vendor technical projects for network migrations, ensuring alignment with performance benchmarks and project scope.
- Working knowledge of IP network security support including Firewalls and NAT implementations.
- Configuration and troubleshooting of OSPF and BGP layer 3 routing protocols
- Implementing Layer 2, Layer 3 design for Data Center architects
- Implementing Layer 2, Layer 3 and collapsed Data Center architects
- Supporting Microsoft Global networking infrastructure
- Interaction with a variety of proprietary tools which include ticketing, configuration maintenance, automation and altering documentation
- Providing recommendations to lead managers to deliver continuous improvement and development
- Worked with F5 load balancers to provide support of application load balancing for Microsoft Global network
- Developed functional specifications and requirements for network elements to support project objectives.
- Collaborated with vertical teams in Microsoft Global Foundation Services to implement projects.
- Set up layer 3 devices such as Nexus and Juniper.
- Provided technology consulting to Fortune 500 companies, including Facebook and Microsoft, enhancing network systems and infrastructure reliability.
Education
Bachelor’s Degree - Network and Communication Management
DeVry University
Skills
- Cisco Data Center (ACI, VXLAN)
- MP-BGP EVPN
- AVPN/MPLS
- Zero-Trust
- Automation (Python, Ansible)
- Palo Alto, Juniper, Cisco NextGen Firewalls
- Cisco Viptela SD-WAN
- Cisco SDA (Software-Defined Access)
- Public/Private and Hybrid Cloud
- AI/ML
- GPU Cluster
- Complex and hybrid network design and management
- SD-WAN
- Cisco Prime
- Cisco Next generation Firewall
- Palo Alto firewalls
- Data center
- Software Defined networks
Certification
- CCIE Enterprise Infrastructure
- Cisco Certified Network Professional (CCNP) Enterprise
- Cisco Certified Specialist – Enterprise Advanced Infrastructure
- Cisco Certified Specialist – Enterprise Core
- Cisco Certified Specialist – Enterprise Design
- Cisco Certified Network Associate (CCNA)
- Microsoft Certified System Engineer (MCSE)
- Microsoft Certified System Administrator (MCSA)
- Microsoft Certified Professional (MCP)
Product Knowledge
- SD-WAN
- Cisco Prime
- Cisco Next generation Firewall
- Palo Alto firewalls
- Zero Trust
- Data center
- Software Define networks
Leadership Experience
Successful in leading a variety of tier 1 and tier 2 engineers for network development technologies and high-level network design projects.
Work Preference
Job Search Status
Open to workWork Type
Full TimeLocation Preference
RemoteHybridSalary Range
$141000/yr - $200000/yrTimeline
Lead Consultant Prof Services
AT&T
05.2025 - Current
Sabbatical leave traveling overseas
08.2024 - 04.2025
Senior Network and Security Engineer
07.2017 - 07.2024
Senior Network, Cloud and Security Engineer
CSS/Aitheras
01.2017 - 07.2017
Technology Consultant
HCL America and TCS
08.2016 - 01.2017
Bachelor’s Degree - Network and Communication Management
DeVry University