Summary
Overview
Work History
Education
Skills
Training
Affiliations
Certification
Timeline
Generic

Tracy Nickleson

Beebe,AR

Summary

Proficient in network security management with a proven track record at Acxiom LLC, demonstrating expertise in developing and maintaining secure network architectures. Recognized for significant contributions to firewall management and security incident response, complemented by strong mentoring abilities. Experience in safeguarding digital assets across diverse environments ensures a comprehensive approach to security. Career aspirations include leading initiatives that enhance organizational resilience against cyber threats.

Overview

23
23
years of professional experience
1
1
Certification

Work History

Senior Network Security Engineer

Acxiom LLC
Conway, AR
07.2017 - 02.2025
  • Supported development of secure network frameworks aligning with organizational needs.
  • Deployed security protocols, including firewalls and VPNs, to enhance data security.
  • Provided recommendations for corrective action plans.
  • Conducted analysis of system logs to uncover threats.
  • Utilized intrusion prevention systems to scrutinize network activity for suspicious patterns.
  • Developed and implemented network security policies, procedures and standards to ensure system integrity and reliability.
  • Maintained documentation of security and disaster recovery policies and procedures.
  • Implemented authentication protocols such as RADIUS, TACACS+, Kerberos to manage user access rights.
  • Provided technical support on network security issues related to hardware, software, operating systems, applications, databases.
  • Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
  • Worked successfully with diverse group of coworkers to accomplish goals and address issues related to our products and services.

Security Engineer

ENSONO
Conway, AR
01.2015 - 01.2017
  • Provided firewall support, including policy management, configuration, and troubleshooting for multiple clients across enterprise platforms, including Checkpoint, Cisco, and Palo Alto solutions
  • Played integral role in network split from parent company when Ensono was formed by installing and configuring multiple firewalls for new core network
  • Primary security engineer on new client projects, responsible for building and configuring new firewalls and policy for each customer environment
  • Performs hardware and software refresh for Ensono and clients
  • Provided assistance and training to team members when needed
  • Provided consulting and direction for firewall solutions for new and existing customers

Security Engineer

ACXIOM CORPORATION
Conway, AR
01.2006 - 01.2015
  • Provided security for >100 firewalls and proxy servers supporting enterprise and client networks
  • Played a major role in company-wide Nexpose security scanning migration by providing firewall management and support throughout the process, including devising the plan on how to allow specific scanners to scan specific environments and drop all traffic from other scanners
  • Installed hardware and software, including network configuration for Checkpoint and Palo Alto firewalls
  • Migrated with a team from a predominantly Checkpoint environment to a Palo Alto global solution
  • Showed the willingness to work outside of normal hours by volunteering for migrations and firewall installations
  • Awarded Acxiom IMPACT Award in 2012 for assisting in a highly visible client acquisition
  • Participated in projects for new network build-outs, configuring vlans and applying firewall policy based on designs from the Network Solutions team
  • Installed and configured the first Checkpoint GAIA firewall cluster for one of Acxiom’s largest clients, and was the primary point-of-contact for the client and the firewalls for their migration project
  • Trained and mentored incoming engineers in security and firewall management procedures
  • Helped define Global Firewall policy by instituting new process in which initial firewall policy was applied to new networks, both for Acxiom’s Marketing Data Services clients as well as internal Acxiom networks

Senior HP-UX Systems Support Engineer

HEWLETT-PACKARD
Bentonville, AR
01.2002 - 01.2006
  • Engineered support for >4,000 servers for Wal-Mart Stores / Sam’s Club, Distribution Center, and Home Office environments
  • Provided troubleshooting and solutions for production impaired systems remotely
  • Investigated panics and applied hardware / software fixes
  • Identified hardware issues on >4,000 HP servers, including A/D/G/H/L/N/V/rp54xx/Matterhorn class servers as well as 12/12H AutoRAID, EMC, XP512/1024 and other disk enclosures, DLT, LTO Tape Arrays as well as network connectivity (Ethernet, Gigabit, Fibre Card, Token Ring)
  • Operated as escalations point-of-contact, as well as being the Senior Engineer responsible for HP-UX systems in Wal-Mart stores, Supercenters, and Sam’s Clubs
  • Coordinated installations of new servers, including setting the system up on the Wal-Mart WAN
  • Performed daily proactive maintenance on all HP (UNIX) servers owned by Wal-Mart

Education

Computer And Information Systems

University of Central Arkansas
Conway, AR

Information And Computer Systems

North Arkansas Community And Technical College
Harrison

Skills

  • HP Servers
  • Security training
  • Network security management
  • Firewall installation
  • Firewall management
  • Data loss prevention
  • Network security design
  • Network troubleshooting
  • HP-UX
  • SPLAT
  • GAiA
  • TCP/IP
  • RAID
  • Token Ring
  • FTP
  • 12H Autoraid
  • Fortinet Firewall Management
  • Checkpoint Firewall Management
  • Palo Alto Firewall Management
  • Experience with Juniper Netscreen Solutions
  • Sun Servers
  • Solaris
  • Windows Servers
  • Cisco 4000 Routers
  • Intrusion detection
  • Secure network architecture
  • Security incident response
  • Scripting languages
  • Xterm
  • Network Cards
  • BGP routing protocol
  • Cisco ASA and PIX
  • Tcpdump

Training

  • AWS Technical Professional, 03/17
  • Checkpoint Training, 04/2007
  • CISSP Training, 10/2014
  • Palo Alto Firewall Installation, Configuration, and Management Training, 04/2013
  • Palo Alto Advanced Firewall Troubleshooting Training, 05/2013
  • Cisco Ironport Proxy Training, 02/2010
  • Practical UNIX and Network Security (HP provided), Bentonville, AR
  • JDISS System Administration Course, UNIX, and Windows NT, Virginia Beach, VA
  • Windows NT 4.0 System Administration, Everett, WA
  • PC Repair Course, San Diego, CA
  • Data Systems Advanced Digital School, Great Lakes, IL
  • Advanced Electronics Technical Core School, Great Lakes, IL

Affiliations

  • Hiking and Backpacking
  • Sports enthusiast

Certification

  • Fortinet Certified Associate in Cybersecurity
  • Cisco Certified Entry Networking Technician (CCENT)

Timeline

Senior Network Security Engineer

Acxiom LLC
07.2017 - 02.2025

Security Engineer

ENSONO
01.2015 - 01.2017

Security Engineer

ACXIOM CORPORATION
01.2006 - 01.2015

Senior HP-UX Systems Support Engineer

HEWLETT-PACKARD
01.2002 - 01.2006

Computer And Information Systems

University of Central Arkansas

Information And Computer Systems

North Arkansas Community And Technical College

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Tracy Nickleson