San Pablo, Heredia, Costa Rica
Telematics engineer with 14 years of experience in networking, servers, virtualization and end-user device troubleshooting. Great experience at Citrix, Juniper, Cisco and Microsoft technologies, over data center infrastructure, to ensure user connectivity and reliability for applications, software and data transfer. Very organized and proactive engineer, always open to learn new technologies. • Citrix virtualization, hypervisor, servers, apps and desktops • Unix FreeBSD • Cisco IOS configuration • Advanced Legacy Junos configuration • TCP/IP and Wireshark troubleshooting • VLANS, STP, Subnetting, Static Routing, OSPF, ACL’s and NAT • Load balancing, VPN, SSL/TLS and network security • Check Point Firewalls • Microsoft Domain Controller, Active Directory, DHCP, DNS and NTP • MS Office/Exchange support • Teamwork • Proactive task solving • Document-oriented • 10 years of customer service experience • Work under pressure • Proactive, patience, very organized and methodic engineer
Administrate, configure, change, troubleshoot, update, and implement new projects and network devices at 87 company data centers around the world. Several configuration standards are implemented with Aryaka ANAP SD-WAN tunnels, DMVPN, BGP, EIGRP, route-maps, NAT, ACLs, VLANs, Aruba APs, VC, MM, NAC, and AAA ClearPass with 802.1X. All routers are Cisco. Core and access switch models vary from Aruba 2930, 5400, 6200, or 6300 VSF stacks, 6400 or 8300 VSXs, and 5120 or 5130 HPE/Comware IRFs. Some sites use Kemp load balancers, Palo Alto, Prisma, or Check Point firewalls, with our team having only review or monitoring rights. Every site has 2 ISPs for high availability and redundancy, handled with HSRP. I work every day with internal users to solve their tickets and requests. We work alongside the PM in the Philippines, completing extensive improvements to the site infrastructure, replacing EOL and EOS devices, reviewing all device configurations, and expanding the company for new or existing sites.
Configure and troubleshoot issues to all Cisco infrastructure device related to WAN & SDWAN routers with BGP, EIGRP, VRF´s & standard ACL´s, Layer 3 & 2 switches with SVI´s, VLANs & spanning tree, WLC´s, AP´s and ISE, Palo Alto firewall & IPSEC support over Panorama, Load Balancing F5 VIP´s, and monitor the network with SolarWinds, with ServiceNow Incidents, Tasks and Changes complying SLA´s and ITIL standards.
Support for Network and Firewall security, of 11 Data Centers in the Azure cloud and with around 7 SBB's (Site Building Blocks) per Data Center, working with on premise L3 Cisco Switch Stacks, Cisco WLC's, Cisco ISE's, Cluster Checkpoint Firewalls, A10 Load Balancers and SD-WAN devices. Manage Incidents and changes with corresponding ITIL and SLA policies, fixing issue of Domain Controllers, Active Directory, DNS, DHCP, LAN security, AAA, taking virtual servers snapshots in VMWare, managing Site 24x7 monitoring tool and Windows/Linux server’s functionalities.
Troubleshoot issues for NetScaler VPX, MPX, SDX, SD-WAN and ADM devices, related to Licensing, High Availability, Subnetting, Syslog, SNMP, Channel Links, VLANs, ARP/Bridge Table, VMAC, Routing, DNS/ADNS, Hardware, Crash/Core files, BUG fixes, Logs review for root cause, OS Upgrades, Backup and Restore, Wireshark Packet captures, TCP/IP traffic, SSL/TLS, Ciphers, RSA/FIPS keys, Server Certificates, Security Vulnerabilities, Frontend and Backend traffic, GSLB VIPs, Load Balancing VIPs, Monitors, TCP/SSL/HTTP profiles, HTTP Request and Response, Content Switching VIPs, AAA with LDAP/RADIUS/SAML for Basic/Advanced/nFactor/MFA, Authentication, AAA Groups/Users, UDP over DTLS, VIPs for Full VPN with Split Tunnel Intranet IPs or Applications, Gateway VIPs StoreFront/XenApp/XenDesktop/XenMobile Integration for Virtual Apps/Desktops and Mobile resources, Virtual Paths, WAN links, Internet break out, Rewrite/Responder/Redirect/Traffic/Transformation/Session Policies and Actions with Expressions, SDX with virtual VPXs and processes over shell.
In charge of troubleshoot physical and logical topology, of 20 data centers that the company have around the world. We reviewed the configuration and monitor the status of all the Routers, L3/L2 Switches, HP Server Enclosures, F5 Load Balancers, Check Point Firewalls, VIPs, Routing instances, VLANs, VPN tunnels, Aggregate links, Policy and NAT rules that are part of each site.