SEAN MICHAEL ELGGREN

IT Professional | SOC Analyst | NOC | IT Helpdesk

Denver, CO | 720-380-8355 | seanmichael2436@gmail.com

seanelggren.com | github.com/Kermit9909 | linkedin.com/in/sean-elggren

PROFESSIONAL SUMMARY

Motivated IT professional transitioning into cybersecurity and network operations, backed by three industry certifications and a fully operational homelab environment. Hands-on experience building enterprise-grade infrastructure including Active Directory, IIS web servers, osTicket helpdesk systems, and Cisco network topologies. Proven ability to troubleshoot complex technical issues, document findings professionally, and communicate clearly across technical and non-technical audiences. Seeking a Tier 1 SOC Analyst, NOC, or IT Helpdesk role to apply real-world skills to production environments.

CERTIFICATIONS

✦ CompTIA A+ (2024)

✦ CompTIA Security+ (2025)

✦ Cisco Certified Network Associate — CCNA (2026)

TECHNICAL SKILLS

Networking

TCP/IP, VLANs, ACLs, OSPF, BGP, STP, Port Security, BPDU Guard, pfSense, Cisco IOS

Security

MITRE ATT&CK, Cyber Kill Chain, Pyramid of Pain, Wireshark, Splunk SPL, VirusTotal, Cisco Talos, Windows Sysinternals

Systems

Windows Server 2019/2016, Active Directory, Group Policy, RSAT Tools, DNS, DHCP, IIS, Linux (Kali, Ubuntu)

Helpdesk

osTicket, Quick Assist, Remote Support, Account Management, Network Drive Mapping, Printer Setup, User Profile Recovery

Scripting

PowerShell, Python, Markdown Documentation

Tools

VirtualBox, Wireshark, Splunk, Metasploit, Nmap, Packet Tracer, GitHub, Obsidian, VSCode

Web Stack

IIS, PHP 8.2, MySQL, osTicket — full WIMP stack deployment on Windows Server 2019

IT PORTFOLIO — SEANELGGREN.COM

Homelab & Portfolio Projects | Self-Directed | 2025–2026

• Built multi-VM homelab running Windows Server 2019 (DC), Windows 11 workstations, Kali Linux, pfSense, and Ubuntu — fully operational enterprise-grade environment

• Deployed Active Directory with OU structure, Group Policy Objects, account lockout policies, and RSAT remote administration — demonstrated in video portfolio

• Configured and deployed osTicket helpdesk system on a full WIMP stack (Windows Server 2019, IIS, PHP 8.2, MySQL) — resolved three complete helpdesk tickets on camera

• Built Cisco WAN topology in Packet Tracer connecting San Francisco and New York sites via eBGP — configured security hardening including SSH, ACLs, port security, and BPDU Guard

• Mapped network drives via Group Policy and manual methods — demonstrated enterprise deployment vs. helpdesk troubleshooting workflows

• Configured Quick Assist remote support between domain-joined workstations — resolved software installation and network connectivity tickets

• Analyzed real-world malware pcap using Wireshark — investigated a fake Google Authenticator campaign, identifying C2 communication patterns and malicious HTTP objects from live capture data

• Conducted full SOC investigation using Splunk Enterprise on Ubuntu — correlated IIS, Suricata, Windows Event, and network stream logs to reconstruct a web application attack kill chain using the Boss of the SOC v1 dataset

• Performed threat analysis of a real phishing email delivering a known malware payload — traced bulletproof hosting infrastructure, decoded obfuscated JavaScript attachment, and confirmed malicious verdict via SHA256 hash triage

• Mapped a real-world ransomware attack to the MITRE ATT&CK framework — documented adversary TTPs across the full kill chain using threat intelligence reporting

• Documented all projects with professional video walkthroughs

WORK EXPERIENCE

Career Transition — IT Self-Study | Full-Time Denver, CO | 02/2026 – Present

• Pursuing IT certifications and building hands-on homelab portfolio targeting SOC, NOC, and helpdesk roles

• Passed Cisco CCNA examination February 2026 after intensive preparation including Boson practice exams and 63-day structured study program

Goodwill Industries | Material Handler Aurora, CO | 09/2025 – 02/2026

• Operated forklift in fast-paced warehouse environment — maintained safety protocols and zero incident record

• Managed inventory flow from receiving to production floor, coordinating with multiple departments simultaneously

ShiftSmart | Independent Contractor Murrieta, CA | 10/2023 – 09/2025

• Provided operational assessments for retail clients — evaluated customer relations, inventory management, and store performance

• Delivered detailed written reports to management, demonstrating strong documentation and communication skills

In Spades Trucking LLC | Owner / Operator Murrieta, CA | 01/2021 – 12/2023

• Founded and operated small business — managed billing, customer service, scheduling, and day-to-day operations independently

• Demonstrated entrepreneurial problem-solving, self-direction, and accountability under pressure

BSI Designs | Inventory Control Denver, CO | 11/2019 – 08/2020

• Designed and implemented Excel-based inventory management system adopted across subsidiary Colorado Custom Stone

• Collaborated directly with accounting and sales teams — strong cross-functional communication in a technical environment

Hast & Company | Resident Manager Boulder, CO | 06/2012 – 06/2017

• Managed leasing operations, contractor relationships, maintenance work orders, and billing for Villa del Prado Apartments

• Five-year tenure demonstrating reliability, professional communication, and operational management

EDUCATION

Associate of Arts — Front Range Community College Longmont, CO

Focus: Business and Philosophy

Portfolio videos and lab documentation available at seanelggren.com | github.com/Kermit9909