Network Security Active Directory

JASON M. DIXON

Murfreesboro, Tennessee 615-***-**** **********@*****.*** linkedin.com/in/j-dixon-cybersecurity-2a21a2295

Summary

Enthused professional with a proven ability to implement and maintain secure network infrastructures. Knowledgeable in network security, troubleshooting, and optimization. Hands-on experience through multiple projects with a variety of technologies including Cisco, Azure, and various security tools. Eager to apply comprehensive knowledge of networking protocols and security principles to contribute to a dynamic team and enhance network performance. CCNA, Security+, and Network+ certified.

Core Competencies

Network Security

Cisco Routing and Switching

Firewall Management

Network Monitoring and Analysis

Vulnerability Assessment and Management

TCP/IP Networking

Cloud Networking (Azure)

Troubleshooting and Problem Solving

Wireless Networking (WLAN, WLC)

Technical Skills

Networking: TCP/IP, DHCP, DNS, VLAN, Subnetting, Routing Protocols (OSPF, BGP, EIGRP), Switching, Wireless Networking, LAN, WAN, SD-WAN, ACLs, Port Security, CDP, LLDP, Spanning Tree Protocol (STP), EtherChannel, NAT, PAT

Security: Firewalls (Cisco ASA), Intrusion Detection/Prevention Systems (IDS/IPS), VPN, Network Security Groups (NSGs), Security Information and Event Management (SIEM)

Cloud: Microsoft Azure (Virtual Networks, NSGs, Azure Private Link, Azure Monitor, Microsoft Sentinel, Azure Active Directory)

Tools: Wireshark, Splunk, Nmap, Intune, Jamf, MobileIron, PCAP Analysis, ServiceNow

Protocols: SSH, SSL/TLS, GRE Tunneling, IPsec

Operating Systems: Windows Server, Linux (Ubuntu, CentOS)

Scripting/Automation: PowerShell, Bash, Python

Experience

Professional Fleet Driver Walmart Transportation Shelbyville, TN Dec 2021 - 2025

Worked closely with upper management and IT team to develop more efficient processes and software updates to driver-related software.

Managed time-sensitive issue resolution as a Walmart ambassador, improving delivery times and operational efficiency by reducing regional delivery costs by 8%.

Demonstrated adherence to safety regulations and compliance with ever-evolving government policies.

Mentored and trained new employees on work-related software, assisted in their onboarding and integration.

Transferable Skills: Problem-Solving, Efficiency, Time Management, Compliance, IT Training

Projects

Azure Security Operations Center (SOC) and Honeynet Deployment

Designed and deployed a honeynet in Microsoft Azure to simulate a live environment, leveraging Log Analytics workspace and Microsoft Sentinel for security monitoring and incident response.

Implemented security controls based on NIST 800-53, including Network Security Groups (NSGs), IP whitelisting, built-in firewalls, and Azure Private Endpoints.

Analyzed metrics demonstrating a significant reduction in security events and incidents.

Active Directory Environment Implementation

Deployed Active Directory environment using a Windows Server 2019 VM, configuring DNS, DHCP, and NAT for centralized network management.

Integrated Windows 10 Pro and Linux Ubuntu client machines into Active Directory.

Incident Response in Azure Sentinel Following NIST 800-61

Conducted incident response activities following the NIST 800-61 framework.

Investigated and resolved security incidents, including brute force attempts, privilege escalation, and malware detection.

Linux System Hardening

Enhanced Linux Ubuntu system security to meet enterprise-level standards.

Implemented a comprehensive security strategy covering physical security, boot loader protection, password policy enforcement, and user account management.

Cisco Switch and Router Configuration

DHCP, GRE Tunneling, VLANS, WLCs, ACLs, Port Security, CDP, LLDP, Spanning Tree Protocol (STP), EtherChannel, NAT, PAT, ACLs

Deployed Kubernetes Cluster using Terraform, Docker, ECR, DynamoDB

Install, configure and deploy Kube cluster on AWS instance, Install and configure Terraform on AWS instance, S3 buckets, DynamoDB tables.

Installed and configured Docker on AWS instance, pushed Docker images via AWS ECR.

Education

Currently pursuing Bachelors in Cybersecurity and Information Assurance WGU Expected graduation 2026

Cybersecurity Operations – Masterclass Leveld Jan 2024

Cyber Security Program CHEGG 2022-2023

Certifications

CCNA Certification Issued Aug 2023

CompTIA Security+ Certification Issued October 2023

CompTIA Network+ Certification Issued Dec 2022

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