Security Engineer Senior

Segun Oyedara

Atlanta GA *****

Phone: 470-***-****

Email: **************@*****.***

TECHNICAL SUMMARY

A Network Security Engineer with over 8 years of experience, specializing in managing and designing Firewall Deployments, Network Security Implementation, Policy Pushes, and Rules. Review, Troubleshooting, Performance Testing, Problem mitigation and supporting critical environments. Ability to manage all phases of installation, configuration and administration of Palo Alto, Checkpoint, Fortinet, F5 and Cisco Firewall. Extensive experience in troubleshooting VPN, LAN, WAN, and IPS/IDS.

EDUCATION

WGU: BSc Cybersecurity and Information Assurance In Progress

Atlanta Metropolitan State College: Diploma Computer Science 2018

Ekiti State University: BSc Science Laboratory Technology 2012

CERTIFICATIONS

Accredited Configuration Engineer Palo Alto Networks (ACE)

Palo Alto Networks Certified Network Security Engineer (PCNSE)

Checkpoint Certified Security Administrator (CCSA)

AWS Certified Cloud Practitioner (CCP)

ITIL 4 Foundation

CompTIA A+

TECHNICAL SKILLS

Firewall: Palo Alto, Checkpoint, Cisco Asa, Cisco FTD, Cisco FMC, F5 and Fortinet

Networking: Wireshark, Packet Capture.

Operating System: Windows, Linux, Unix

Monitoring Tools: IDS/IPS, Splunk, Algosec

Proxy Tools: WSA, Symantec

ITSM: ServiceNow, Remedy, Jira, Cherwell

CLOUD: AWS

Scripting: Python, PowerShell

SOFT SKILLS

Problem-Solving skills

Communication skills

Time management skills

Decision making

Interpersonal skills

EXPERIENCE

SIARAA TECHNOLOGY Sep 2021 – Present

Sr. Security Engineer

Deployment of Palo Alto Networks VM-Series firewall in the Microsoft Azure and AWS to provide visibility and protection for inbound and outbound traffic.

Configure the firewall VM-Series plugin to enable the integration with Azure Application insight.

Modifying the existing firewall configuration to control the behavior of the Facebook application.

Enable sanctioned SaaS applications for business efficiency and flexibility

Configuration of Global Protect portal to allow Global Protect clients to connect to the Global Protect Gateway.

Using policy optimizer to convert port-based to application-based policy.

Automating blocking of IP/URLs in the perimeter firewall.

Securing network systems by establishing and enforcing access control policies in firewalls such as FTD and FMC.

Good knowledge of firewalls such as Palo Alto, Cisco FTD, FMC and Fortinet.

Configure branch /remote network to establish IPsec tunnel to Prisma Access

Ensured resolution to the customer tickets is provided within the SLAs.

Modify the existing file-blocking, antivirus policy to enable Wildfire service

OS Upgrade for Palo Alto firewalls and Panorama appliance

Setup and enable DNS sinkhole with Anti-spyware security profile.

Develop and Implement Firewall security rules based on requirement.

Monitoring security environment, identifying security gaps, evaluating, and implementing enhancements related to the Client's environment.

Investigate and remediate cloud service configuration alerts.

Prisma cloud to alert on suspicious network traffic and analyze networks in the Prisma cloud console.

Create a URL filter to block all malware sites and enforce safe search.

DHL Nov 2019 – Sep 2021

Sr. Network Security Engineer

Install, configure, deploy, manage and document firewall infrastructures.

Managed Prisma Access to deliver consistent security to remote networks and mobile user.

Administer over 100 enterprise Palo Alto firewall from panorama M-500 and M-600.

Develop and implement App-ID, User-ID and Content-ID on Palo Alto firewalls.

Implementation and administration of PAN-OS & Security Policy Management.

Manage and maintain Palo Alto NG Firewalls, encryption VPN, TLS, and SSH technologies.

Creating policy and procedure documentation structure to ensure proper controls in logging, access and auditing.

Manage and troubleshoot site to site VPN for the organization’s business partners.

Configure URL filtering to enable and/or disable user traffic access to unauthorized web sites.

Backup, Restore and upgrade on Palo Alto firewalls from 9.0 to 10.0 code.

Configure, monitor and troubleshoot firewalls using CLI commands and GUI.

Using python to run a script, to check and create rules on panorama.

High-availability configuration for security management reliability for PAN-OS.

Expertise in AWS Tools (VPCs, EC2, S3, RDS, IAM).

Validate and maintain firewall duplicate rules using Tufin, Algosec.

Good knowledge of firewalls such as Palo Alto, Cisco FTD, FMC and Fortinet.

Managing Firewall Rules with PowerShell in Windows.

Externetworks Nov 2018 – Nov 2019

Senior Security Engineer

Managed Firewall Deployments, Rule and Policy Implementation

Managed firewall/security systems by establishing and enforcing policies, defining, and monitoring access.

Creating policy and procedure documentation structure to ensure proper controls in logging, access and auditing.

Experience managing Pan-OS, Panorama configuration and installation.

Made recommendations on existing project to improve network security.

Work closely with colleagues to meet team goals and improve processes and practices.

Identifying, Collecting and Analyzing security relevant logs for reporting and compliance purposes.

Contribute to formulation of policies and best practices for network security management.

Managing checkpoint and palo alto firewall deployments, upgrades, backup, troubleshooting, rule implementation and monitoring.

Review firewall configuration and other infrastructure-related processes and implementations.

Managed network intrusion detection/intrusion prevention systems.

Configured SNMPv3 to encrypt the communication and identity verification from both sending and receiving workstation.

Kalkey Solutions Apr 2017 – Nov 2018

Network Security Engineer

Managed Firewall Deployments, Rule and Policy Implementation.

Managed firewall/security systems by establishing and enforcing policies, defining, and monitoring access.

Reviewed firewall configurations and other infrastructure-related processes and implementation.

Managed PAN-OS version 7.0 to 8.1 version and Panorama M-100 and M-500 to manage multiple palo alto firewalls.

Worked with other vendors/contractors to analyze firewall rules and policy as part of pre-upgrade project.

Managed firewall using FortiGate to allow or block IPs, created policies added to different interfaces and VLANs.

Provided after hours, on-call and escalation support on 24x7 for network and voice environment, including system outages and incident response.

Configured and administered security rules and policies to permit and/or deny user traffics based on company security policy.

Created and maintained standard operating procedures and guides for new and/or existing perimeter hardware and software.

Planning, testing, and implemented new palo alto firewall installations, firewall upgrades.

Supported company’s global network and voice environments (including firewalls devices, switches, routers and WAN optimization appliances) from layer 1 through 7, using ticketing systems to track progress.

KLLM LLC Jan 2015 – Mar 2017

Network Security Engineer

Installed, configured, and maintained Palo Alto PA220, PA500, and PA3220.

Installed new Fortinet firewalls to increase security and network control setup IPS, and Application control.

Palo Alto Management server HA for fail-over to ensure network reliability.

Performed network monitoring, block or allow traffic on the firewall based on rules.

Configured, maintained and analyzed firewall logs using various monitoring features such as traffic logs, threat logs and Splunk for viewing data and analysis logs.

Performed firewall rule audit and advice on improvement and optimization.

Comprehensive understanding of routing and switching configuration.

Monitored, troubleshot, configured and deployed LAN/WAN solution.

Network assessment and documentation (including technical, operational assessment).

Remotely connected to end-user computers to troubleshoot network issues and VPN.

Drafted documents to outline procedures for IP addressing scheme and network subnet.

Maintained and monitored routers, switches bandwidth control through VLAN configuration and routed network with the use of routing protocol.

Configured, administered and document firewall infrastructures - Check Point, Palo Alto.

Installed, configured and troubleshooted Fortinet firewalls.

RCCG GLOBAL Jan 2013 – Aug 2014

Network Administrator

Developed and maintained working relationship with clients.

Assist in analyzing design and network models as needed.

Assign and update user security permissions on the network.

Installed, configured and troubleshoot network routers, switches and security devices.

Document network configuration and operational procedures.

Performed daily monitoring of the network health status.

Proactive manage, maintain, and optimize server, network and firewall systems to ensure high availability and SLA’s.

Make timely upgrades and repairs to ensure systems are operating optimally.

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