Summary
Overview
Work History
Education
Skills
Publications
Timeline
Generic

WILL TOLBERT

Farmers Branch,TX

Summary

Senior Network Security professional with over 9 years of in supporting and assisting complex enterprise Firewalls, Security and Vulnerability assessment. Skilled in directing multiple tasks effectively and managing complex Linux based networks work technologies and security protocols. Proven record of accomplishment of providing technical support and handling equipment and upgrades; monitoring, configuring, and administering network security operations. Strong team player

Overview

23
23
years of professional experience

Work History

Network Systems Architect

First American
Fort Worth, TX
10.2021 - Current
  • Experience in deployment/configuration of Cisco switches, Cisco routers, firewalls, Cisco Wireless LAN Controllers, and Cisco Access Points.
  • Ability to design and integrate virtual networks and hybrid cloud architectures.
  • Familiarity with virtualization technologies (e.g., VMware, Hyper-V) and cloud networking concepts (e.g., AWS, Azure).
  • In-depth knowledge of network protocols such as TCP/IP, DNS, DHCP, SNMP, SMTP, HTTP, and others. Understanding of how these protocols function and interact within a network environment.
  • Strong knowledge with hands on experience in configuring BGP, OSPF, EIGRP, STP, PVST+, IPSEC site to site VPN, VoIP, HSRP, GLBP, Natting, Policies
  • Knowledgable of configuration management and quality assurance concepts and guidelines regarding Information Technology Infrastructure Library (ITIL),
  • Proficient in network monitoring tools and techniques to identify and resolve performance issues, bottlenecks, and outages. Knowledge of packet analysis and troubleshooting methodologies.
  • Knowledge of monitoring tools including Wireshark as well as expert level documentation skills using Visio to detail all facets of the network and remote locations
  • Ability to analyze network traffic patterns, forecast future needs, and plan network capacity accordingly. Understanding of network performance optimization techniques.
  • Proficient in designing scalable, high-performance network architectures that meet business requirements. This includes designing LANs, WANs, VLANs, VPNs, and network security systems.
  • Outstanding analytical and problem-solving skills, including the ability to meet a business requirement with a technical solution
  • A commitment to staying up-to-date with the latest networking technologies, industry trends, and best practices.

Information Security Analyst

Rice University
Houston, TX
01.2021 - 10.2021
  • Audit and review detailed production reports. Determine security breaches, unusual accesses and inadequacies in rule sets. Ensure maintenance and integrity of data. Prevent inappropriate disclosure of data and use of computing resources.
  • Design and implement moderately complex networking and operating system security. Conduct detailed analysis of new releases of operating system security software.
  • Review and analyze metadata in Splunk application indexes.
  • Addressed security alerts from Proofpoint and Tenable scanning tool.
  • Work with the Chief Information Security Officer on intrusion detection and prevention, policies and procedures, security event monitoring and incident response, audit, compliance (PCI-DSS, HIPAA, GLB, etc.), anti-malware, and policy violations.
  • Adhere to security procedures and methods necessary to ensure the safety of information systems and to protect the systems from intentional or unauthorized and accidental or inadvertent access or destruction. Work with users, management and staff to identify and implement security plans for data, software applications, hardware, telecommunications and computer installations. Evaluate security exposures and threats to determine the level of security necessary to protect the information systems. Implement and configure security measures such as firewalls, intrusion prevention systems and other security software or devices as required.
  • Prepare system documentation and specifications of system security procedures. Prepare periodic activity reports. Assist in preparation of and issue new and revised computing security standards and procedures.
  • Resolve access problems and consult with users to determine if access is appropriate.

Senior Security Network Engineer

Huntsman Corp.
The Woodlands, TX
01.2020 - 01.2021
  • Researched newly developed IDS (Claroty/CyberX) application security solutions including direct interactions with vendor representatives
  • Reviewed security architecture blueprints, methods, and frameworks in Microsoft 360 environment
  • Ensures architecture solutions align with business requirements, compliance mandates, and security policies
  • Participates in security consultation during M&A activity for direct changes during management of change procedures
  • Helps update security strategy and roadmap to enhance security posture planning using Microsoft Visio
  • Assists leadership in determining resource requirements necessary to support technologies for Cisco next-generation firewalls
  • Leads and advises implementation of security technologies and processes for operational/IoS network environments
  • Serves as a security interface between infrastructure and application teams
  • Assist in maintaining the security posture of the organization through regular review and refresh of technology and infrastructure
  • Test security solutions using industry standard criteria
  • Provides technical supervision for and guidance to the rest of the security team
  • Assists in updating and upgrading security systems as necessary
  • Provide architecture standards and review architecture changes to ensue they still adhere to architecture requirements
  • Provide requirements for baseline of operations at a strategic level through standards and policy
  • Assists in the selection and maintenance of technology controls for data at rest and data in transit
  • Defines technical requirements to facilitate the implementation of policies, procedures, and standards
  • Designs processes for collection logs across geographic location and develops architecture for solution deployment
  • Security subject matter expert utilizing current information security technology disciplines and industry standards to ensure confidentiality, integrity and availability of information assets
  • Develop reference security architecture (including requirements, design patterns, and other artifacts) for the use throughout the company
  • Deliver “hands-on” security architecture expertise in information security disciplines in support of the environment
  • Simulate complex customer issues in house in the TAC LAB to ascertain root cause, validate product's expected behavior for undocumented test cases and bugs..
  • Assisted with Panorama Channel Partners and Enterprise customers to reinstate critical network impacting applications and features.
  • Identified security incidents and recertified Palo Alto 4020 firewall related network issues, security vulnerabilities, and ensure optimum firewall performance for government and private institutions. Advised industries to maintain compliance with to their industry standards.

Information Security Engineer

ComTec Information Systems
Irving, TX
05.2019 - 01.2020

(Entergy - Contractor)

•Support with implementation of the strategy and delivery plans for Network Security in coordination with the Network Planning and Engineering occupations
• Sustain network security devices and technologies such as firewalls, VPNs, Intrusion Detection Systems (IDS), certificate management, DNS, DHCP and software defined networks (SDN) and network technologies
• Maintain Certificate Authorities and Certificate validation infrastructures
• Assist with implementation of email security & monitoring solutions
• Assist with compliance efforts for network security and operations, specifically requirements of North American Electric Reliability Corporation Critical Infrastructure Protection (NERC CIP) and Nuclear Regulatory Commission (NRC) Nuclear Cyber (10 CFR 73.54)
• Troubleshoot across the length and breadth of network security issues across the diverse portfolio
of Palo Alto Networks Security Products- PAN NextGen firewalls - VM and Hardware models
(PAN-200/500/2k/3k/4k/5k and 7k), Panorama- VM and M-100 hardware model, Wildfire Cloud
and WF 500 hardware model
• Troubleshoot live over remote desktop sessions with Channel Partners and Enterprise customers
to reinstate critical network impacting applications and features
• Performed management using HMI systems in PLC Languages in Triconix and Siemens
• Serve as gateway maintenance support for grid facility SCADA and CMS Systems and their data interfaces including OSI PI, EMS, and third-party systems
• Maintain a configuration database and a management of change program for SCADA and Control software

  • Designed, implemented and maintained security systems and controls in Microsoft Azure VPC networks.
  • Built firewalls and encrypted data to secure confidential information in Amazon AWS environments.

Tier 3 Support Engineer

Check Point Technologies
Irving, TX
11.2014 - 05.2019
  • Worked with large accounts ranging from 10K to 23M in identifying security holes and adjusting firewall configurations to minimize security threats
  • Extensive troubleshooting (firewalls, IDS/IPS, VPN, systems, etc.) Assist in running scans and validating/correcting reports for vulnerabilities
  • Interfaced with clients in strategic design process translating security requirements into technical solution
  • Systems, databases and appliances
  • Analyzed DDoS attacks, botnets, malwares, and provide mitigation and countermeasure techniques false positives false negatives
  • Troubleshooting with technologies such as site2site VPN, mobile access, DHCP, SSL inspection, DLP, Identity Awareness, ISP redundancy, Threat products, URL filtering & Application Control, Voip thru Inspection, CLustering, NAT Multiportal firewall, Logging (SmartReporter, SmartEvent), database updates, light licensing ð
  • Analyzing data such as packet captures, debugs ð
  • Assist with routing configuration ð
  • Write documentation, as well as create troubleshooting guides for specific bugs or configuration ð
  • Lab/Replicate clients environment for complex troubleshooting Assist onsite engineers with deployment, configuration, and troubleshooting

Senior Network Technician / Wingspan

Portfolio Holdings Inc
Dallas, TX
04.2010 - 04.2014
  • Ensured customer satisfaction by effectively communicating with all cross-functional teams
  • Accomplished building, upgrading and maintaining an IP telephony system hosting over 1000 users in our main location and SIP trunks to multiple partner sites
  • Fluent in Cisco IP telephony, SIP, contact center technologies, as well as an understanding of local and wide area networks
  • Create and maintain documentation as it relates to voice configuration, call routing, processes, and service records
  • Develop, implement and maintain policies, procedures, and associated training plans for voice administration, usage, and disaster recovery
  • Assists in the development and maintenance of network communications
  • Uses advanced knowledge of LAN/WAN systems to help design and install internal and external networks

Junior Network Technician / Wingspan

Portfolio Holdings Inc
Dallas, TX
01.2008 - 01.2010
  • Maintained and publishes reports on IT metrics
  • Assists Supervisor with data entry, data verification, notification, escalation and facilitation
  • Analyzed operations and their adherence to standards and guidelines

Medical/Clerical Specialist

UNITED STATES ARMY
01.2000 - 11.2006
  • Assured that all information is correctly input and completed
  • Responded to internal and external telephone inquiries
  • Responsible for the proper handling of all call related appointments and payments
  • Maintain a work queue for target date and goals
  • Responsible for negotiating payment arrangements or securing collateral on delinquent medical accounts Designed patient matrix for appointments
  • Make outbound and received inbound calls in a call center environment

Education

Bachelor of Science - Information Technology

Some College (No Degree) - CCNA

MyComputerCareer.com
Raleigh, NC

Skills

  • Network, Linux, Check Point/Palo Alto Firewalls
  • Cisco Maintenance documentation
  • Clustering Firewall configuration/Routing
  • Clients, SSL patch management
  • IDS/IPS Configuration
  • Network Traffic Inspection
  • WAN/LAN Network management
  • Logging/Monitoring Security Alerts
  • Security Remote Access
  • OSPF/BGP network configuration
  • Enterprise Network troubleshooting
  • Emerson Delta V systems experience
  • SCADA monitoring
  • Design and Implantation of Enterprise network security processed
  • Network configuration and support
  • New technology and product research
  • Data connectivity
  • Linux specialist
  • Cloud computing

Publications

A+, Security+, Network+, CCSE, CCSM, CCSA, CCNA, CISSP

Timeline

Network Systems Architect

First American
10.2021 - Current

Information Security Analyst

Rice University
01.2021 - 10.2021

Senior Security Network Engineer

Huntsman Corp.
01.2020 - 01.2021

Information Security Engineer

ComTec Information Systems
05.2019 - 01.2020

Tier 3 Support Engineer

Check Point Technologies
11.2014 - 05.2019

Senior Network Technician / Wingspan

Portfolio Holdings Inc
04.2010 - 04.2014

Junior Network Technician / Wingspan

Portfolio Holdings Inc
01.2008 - 01.2010

Medical/Clerical Specialist

UNITED STATES ARMY
01.2000 - 11.2006

Bachelor of Science - Information Technology

Some College (No Degree) - CCNA

MyComputerCareer.com
WILL TOLBERT