• Professionally, accurately and efficiently handle customer requests including technical and non-technical inquiries to any Granite provided services. • Remotely troubleshoot managed service-related issues on support calls with Granite customers and/or field technicians • Troubleshoot, monitor and repair Granite provided networks: Granite MPLS Network WAN- Metro-Ethernet via Fiber and Granite Grid Network. • Troubleshoot VLAN and STP issues on Layer-2 Access switches; confirm VLAN propagation on intermediate switches. • Confirm VRFs, IGP (EIGRP or OSPF) and EGP (BGP) routing at main distribution router and WAN router. • Troubleshoot carrier outages with WAN carrier and BGP peering issues with carrier engineers. • Configure and Troubleshoot Granite VOIP customers: Work with Granite META Switch, MetaView Explorer, SAS and Comportal on a daily basis; confirm SIP binding is active. • Troubleshoot CPE (Cisco or Adtran router, Cisco Meraki, Blue Socket and analog converter) to confirm cust

• Plan and appraise ongoing assessment of antivirus, application control, firewall, SIEM, VPN, SSL, intrusion detection or intrusion prevention and other network component policies • Analyzing, connectivity requests to insure compliance with NIST standards, Mass 201 CMR 17, PCI and other policies • Collaborate with upper management, network engineering team and other departments on security-related items to ensure Granite policy and security requirements are met • Project, configure, implement, and maintain all security platforms and any other related software, such as anti-virus, routers, Anti-SPAM, switches, intrusion detection or intrusion prevention, firewalls, cryptography systems, SIEM • Guarantee network security best practices are executed through auditing: router, change control, switch, firewall configurations, and monitoring

• Secured the Network devices (Fortigate Firewalls, Cisco Routers/Switches, Brocade load balancers) • Successfully deployed 700 registration units to biometrically capture face photographs and the full 10 fingerprints from Haitian citizens • Assist the Haitian government in the process of upgrading its Civil Registration and National ID • Performed Hardening on all Linux servers • Configured SIEM Server (SNORT NIDS, Prelude, Samhain HIDS) in the Primary Datacenter • Configured LDAP Servers in all Datacenters to centralize users accounts • Configured PKI Server for authenticate servers with digital certificates • Configured VPN with OpenVPN servers in all Datacenters for allowing access to foreign users (Panama, Venezuela, USA…) • Performed penetration testing on all network and system devices