Firewall Engineer with 6+ Years of Network Security Experience

DAVID LADEJI

Phone: 717-***-****

************@*****.***

I am a firewall engineer, I have more than 7 years’ experience in designing and implementing robust firewall solutions. I have expertise in network security, threat detection and risk assessment. I can analyze and troubleshoot network issues, ensuring the highest level of protection. I work extremely well under pressure; I enjoy collaborating with my teammates as well as working independently. I am looking forward to the opportunity to develop my career in the IT sector.

EDUCATION

• Palo Alto Networks Accredited Configuration Engineer (ACE)

• Palo Alto Networks Certified Network Security Engineer (PCNSE)

• Palo Alto Networks Certified Network Security Administrator (PCNSA) Tai Solarin University of Education, Nigeria

RELEVANT EXPERIENCE

PALO-ALTO NETWORK SECURITY ENGINEER

QPSI, Pennsylvania May 2021 - June 2023

• Perform PAN OS Upgrade to Firewalls.

• Configure Firewalls to Perform Dynamic Security Updates by schedule.

• Troubleshoot firewall/access issues and resolve or escalate to proper operational teams.

• Configure ASA with Access Lists to Allow or Deny Traffics per business requirement.

• Configure Source NAT, Destination NAT, Port Address to direct traffic between different servers Palo Alto.

• Configure and troubleshoot Site to Site VPN tunnels on Palo Alto Between LabCorp business offices and Partners, Customers.

• Monitor network flows for network anomalies and access failure.

• Serves as an escalation point for IPS/Cybersecurity issues within IT.

• Develop Integration of Palo Alto Into the network for IPS.

• Configured Security profiles to Mitigate Attacks on the network.

• Creation of technically detailed reports on firewall block lists, device status, change management, and software upgrades.

• Ensures standards are maintained for firewalls and other network edge device version updates.

• Configured Best Practice Firewall Security Policies in accordance with the company’s objectives, goals, and regulations.

NETWORK SECURITY ENGINEER.

KBR, TEXAS April 2018- March 2021

• Implemented necessary controls and procedures to protect information system assets from intentional or inadvertent modification, disclosure, or destruction.

• Participated in the deployment, configuration and maintenance of a multiple data center infrastructure consisting of over 50 Palo-alto firewall clusters and 10 Panorama devices along with supporting routers and switches.

• Participate in an established on-call rotation to respond to service tickets every 2 weeks.

• Configured and Troubleshoot High Availability for all firewalls in the network, preventing single point of failure.

• Configured and Troubleshoot Site to Site IPsec VPN between HQ and branches, partnering offices.

• Consults with customers to identify data and network security requirements.

• Configured and Troubleshoot Source NAT for Internet Bound Traffics specifying Required oversubscription rate as needed.

• Configured Destination NAT for all Servers located in the DMZ Zone.

• Configuration and Deployment of the WF-500 wildfire appliance to Monitor, Identify and contain new network security threats to consistently update the firewalls with the latest threat updates.

• Configured Firewalls to Perform Dynamic Updates by schedule.

• Continuously updates and improves skills and networking knowledge through training and self-study. JNR NETWORK ENGINEER

WEMA BANK January 2017- February 2018

• Recommended network security standards and upgrades to management

• Created and maintained network topology documentation as new branch offices were created.

• Deployment, Installation, Configuration, and administration of switching at branch Offices and routing to Data Centers, Other Branches, Head Office using Cisco Appliances/Hardware.

• Provided router configuration and troubleshooting, correcting networking connectivity issues in routing, and switching using a layered model approach as needed working on new site integrations.

• Manually updated and installed services packs, drivers, and applications to improve computer efficiency and performance.

• Worked as a team member with other technical Staffs to ensure connectivity and compatibility between systems.

• Documented network problems and resolutions for future reference. SKILLS & TECHNICAL TOOLS

• PAN NGFW VPN Deployment and troubleshooting

• PAN NGFW High Availability (HA) Deployment and troubleshooting

• PAN NGFW NAT Configuration and Troubleshooting

• Zone Protection, Denial of Service (DOS) Protection

• Access Lists, Network Address Translation

• Panorama Administration

• PAN NGFW IPS and IDS

PROFESSIONAL CERTIFICATIONS

• PAN NGFW Traffic Monitoring

• SSL Decryption / Certification Management

• Protocol knowledge of IPSEC, TCP/IP, UDP, HTTP(S), DNS, TELNET, SSH, RIP, OSPF, DHCP, LAN/WAN, LDAP, NAT, SSL, VPN

• Windows, Linux OS

• PAN NGFW Routing and Switching

• OSI Model and Application

• PA3200, PA5220

• CISSP

LANGUAGES

English: Fluent

Yoruba: Native Language

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