Cristian Manzanares
Heredia
Summary
Experienced Network Cyber Security Engineer with 7 years of hands-on experience in resolving hardware and software implementation, configuring, troubleshooting, infrastructures, and security issues. Utilizing technical expertise, security knowledge, and language skills to drive improvements in technical support and advance security services. Dedicated to maintaining a full-time position that offers professional challenges and always seeking personal growth and new experiences. Strong interpersonal skills, excellent time management, and problem-solving abilities are ready to contribute to the success of any organization.
Overview
10
10
years of professional experience
Work History
Palo Alto Cyber Security Engineer
Movate
11.2021 - 07.2024
- Managing hundreds of firewalls (Palo Alto, Panorama) and other security devices and making necessary changes as per customer requirement
- Using firewall management tools such as ACC/Data Correlation Engine, System and Traffic
- Panorama management Palo Alto firewalls, rules and policies
- Upgrading security equipment's to latest and stable versions to mitigate venerability's and bugs as a best practice
- Involved in new installations and guiding field setup when the customer requested since Palo Alto is break and fix so, whenever the customer ran into any issues we must help with the Firewall Setup
- Perform fault isolation steps to include Wireshark for network traffic analysis, identifying and mitigating latency issues; pcap & flow basics debugging and firewall status; repeat procedures as needed and escalate to the Team Lead and higher resources when appropriate
- Configuring security features on routers, firewalls and switches such as Security rules, APP-ID, User-ID (Syslog), IPSec VPN/tunnel, GlobalProtect VPN, Captive Portal, High Availability (Active-Passive/Active-Active, LACP, AD groups, API Automation, Radius, LDAP, DUO, Okta, MFA, Authentication, SD-WAN, Slowness network issues, Traffic related issues, Panorama commit issues, Hardware issues, performance Management plane/Dataplane issues, AIOps, DoS, Cookies, Cientless VPN, CPU/Memory Utilization, Certificates, OSPF, BGP, NAT, ECMP, DHCP, Multicast, QoS, Zone/DoS protection, URL Filtering, SSL Decryption, HTTP2, Syslog/Netflow, Reporting, Log Forwarding (Log Collector), Log Forwarding (ElasticSearch), Log Forwarding (Firewall), LSVPN, port security, /WildFire, Content Management, VoIP, SNMP, Logging, Dynamic Updates, , General Packet Flow, DotW Issues with Asymmetric Routing, SSH and other access policies
- Configured IKEv2 for enhanced security and features
- Working with problem management team to identify vulnerabilities in security devices and planning remediation
- Creating lab scenarios using Velocity infrastructure to test new software codes and configurations as well as to reproduce the customer issues in case to escalate with higher resources
- Use extensive knowledge of the OSI model and how data packets move in the network/Firewall inspection to troubleshoot, VLAN's use ARP tables to verify L2/L3 mapping and MAC to IP interfaces
- Configured and maintained high-performance networks, increasing operational efficiency
- Engineered BGP and OSPF routing solutions
- Identify possible OSFP adjacency reachability issue, dead intervals match, checked routed logs to validate if it was receiving any OSPF Hellos or any mismatches seen in logs by running the CLI/Linux command: tail follow yes mp-log routed.log/less mp-log routed.log as well as enhancing network scalability and troubleshooting
- Getting Linux root access to fix MongoDB issues
- Initiate ping and trace routes; analyze TCP headers; 3-way handshakes; sequence numbers; SSL/TLS; buffer capacity; Work from CLI; GUI and/or CMD prompt interface to resolve customer issues
- Certification: Cisco Certified Network Professional Routing (CCNP)
Professional Services Consultant
PERICON SOLUTIONS (Contract)
02.2022 - 08.2022
- Contribute to Network infrastructure design and build as well as to mitigating DDOS attacks
- Contributed to the design network infrastructure for new office premises
- Experience with PBX, (Elastix), Ubiquiti Switches, PowerEdge server platforms, VMware ESXI and vCenter administration, Windows Servers, LDAP, Active Directory, Aruba Switches as well as MikroTik Routers as well as Cisco Switches
- Monitoring the system resource utilization, trending, and capacity planning configuring and supporting monitoring tools such as SolarWinds and NAGIOS
Senior Network Engineer Cisco TAC
SYKES/SITEL
04.2017 - 01.2022
- Worked in the Voice team in installation, testing, implementation, design and maintenance of enterprise Cisco Attendant Console, Cisco CUCM, Cisco Unity, Jabber as well as WebEx
- Configure, deploy, and operate Cisco Wired/Wireless devices and debugging alarms, Syslog, SNMP traps, Wireshark
- Investigated and resolved network outages
- Performed traffic analysis
- Worked in the Routing & Switching team as a level 2 Engineer helping cases related to Routing protocols, switching protocols STP, EIGRP, OSPF, BGP, ACL, NAT, QoS, VRF, VLAN/VTP and SPAN/RSPAN
- Managed and escalate support tickets with higher resources to ensure minimum network downtimes
- Assisted in network maintenance and upgrade assistance
- I have also experience on certain platforms such as: Firepower, ASA, Nexus OS, IOS
Help Desk Agent
Hewlett Packard Enterprise
02.2016 - 04.2017
- In coordination with team members in India and New York offering technical support and resolve issues in a timely manner, responding to calls and emails and keeping track of records on technical issues
- Documented support interactions for future reference
- Provided exceptional support by consistently meeting service level agreements and performance metrics
Customer Service Agent
The Results Company
01.2015 - 04.2016
- Provided excellent customer service support to resolve the issues
- Communicated with customers over the phone, via email, and/or online chat
- Resolved any customer issues while providing exceptional customer experience
- Demonstrated empathy in handling difficult situations, fostering trust and loyalty among customers
Education
Palo Alto Prisma Access SASE - SD-WAN - Prisma Access SASE Cloud Security Engineer
Peason VUE
Beacon Palo Alto, Udemy, Pluralsight, O'Reilly10-2024
Cisco Viptela SD-WAN - SASE - Cisco Viptela SD-WAN - SASE
Pearson VUE
Costa Rica10-2024
Certification - Palo Alto Networks Certified Network Security E
Latina University
02.2023
Certification -
Latina University
06.2019
Certification - Linux Essentials
Linux Professional Institue
05.2018
Certification - Cisco Certified Network Associate (CCNA)
Latina University
Heredia, Costa Rica07.2016
High School Diploma -
Autonomous Institute Experimental Center Mexico
Managua, Nicaragua05.2011
Skills
- Cisco CCNA Routing & Switching/ Cisco CCNP Routing & Switching/BGP/OSPF
- Cisco CUCM/VoIP/Issabel PBX
- Cisco CCNP Security
- Cisco Viptela SD-WAN
- Linux Ubuntu Server implementations and configuration of networking services, Kali Linux advance tool utilization for Pen Testing, Basics of Programming and scripting (Python/Ansible)
- IPSEC/SSL VPN
- HTTP/S/ DHCP/ DNS
- Palo Alto Global Protect VPN/Configuration And Management/Reliable High Availability/Protection Profiles/Zone Security
- Cloud Computing: Prisma Access SASE-SD-WAN Palo Alto Cloud Security Engineer
- Firewall Administration/PAN-OS Palo Alto/JunOS/FortiOS/pfSense/Cisco ASA
- CompTIA PenTest
- AWS with Terraform; Essentials/Azure Essentials/Docker and Kubernetes fundamentals
- Automate Linux SysAdmin tasks with Ansible and Python Network Automation/API
- Windows Server
- Linux LPIC 1 - 2/Security-Enhanced Linux (SELinux)/iptables
- MacOS
- Unix
- Wireshark
- VMware NSX/EXSI
Personal Information
ID Number: 800950695
Timeline
Professional Services Consultant
PERICON SOLUTIONS (Contract)
02.2022 - 08.2022
Palo Alto Cyber Security Engineer
Movate
11.2021 - 07.2024
Senior Network Engineer Cisco TAC
SYKES/SITEL
04.2017 - 01.2022
Help Desk Agent
Hewlett Packard Enterprise
02.2016 - 04.2017
Customer Service Agent
The Results Company
01.2015 - 04.2016
Certification -
Latina University
Certification - Linux Essentials
Linux Professional Institue
Certification - Cisco Certified Network Associate (CCNA)
Latina University
High School Diploma -
Autonomous Institute Experimental Center Mexico
Palo Alto Prisma Access SASE - SD-WAN - Prisma Access SASE Cloud Security Engineer
Peason VUE
Cisco Viptela SD-WAN - SASE - Cisco Viptela SD-WAN - SASE
Pearson VUE
Certification - Palo Alto Networks Certified Network Security E
Latina University
Similar Profiles
Fayas AhamedFayas Ahamed
Technical Support Engineer - 2 at MovateTechnical Support Engineer - 2 at Movate
Andrieth BustamanteAndrieth Bustamante
Team Leader at MovateTeam Leader at Movate
Luis PaniaguaLuis Paniagua
Customer Service Representative at MovateCustomer Service Representative at Movate