Oles Maiovskyi

Systems Administrator

Summary of Qualifications:

IT professional with experience as a sole IT Administrator managing security operations, infrastructure, and incident response for a law firm. I hold multiple industry-standard certifications across security, networking, and cloud platforms. To complement this background, I independently developed a security application that analyzes Exchange mailbox activity logs to detect malicious behavior, isolate compromised emails, and identify sensitive data for breach disclosure. My formal education provides a strong foundation in security principles, network architecture, and IT infrastructure.

Education:

BAS, Cybersecurity and Networking

Green River College

Sep 2018 - Aug 2022

Auburn Mountainview High School

Auburn, WA

Sep 2016 - Aug 2018

Experience:

Porter Foster Rorick, Seattle, WA

Oct 2022 - Present

Systems Administrator

Sole IT administrator responsible for all technology infrastructure and support operations for a law firm:

  • Monitor and respond to system alerts and tickets, prioritizing issues based on business impact and urgency to maintain operational continuity
  • Manage Windows and Linux systems including OS deployment, system updates, user account administration, and baseline configurations to ensure stable operations
  • Maintain comprehensive documentation of network topology, device inventories, configuration files, and standard operating procedures
  • Oversee network infrastructure upgrades, including successful transition to fiber connectivity with minimal downtime
  • Coordinate with vendors and service providers for hardware procurement, software licensing, and technical support escalations
  • Manage Exchange Online environment including user provisioning, mailbox configuration, transport rules, and eDiscovery operations using Microsoft Purview
  • Implement automated solutions to improve operational efficiency and reduce manual administrative overhead

Skills:

Linux, Windows, Mac,
Nginx, Caddy, Docker
AWS, Azure, GCP

HTML, CSS, JS
Python, Bash, Ansible
Exchange, Purview, O365

VLANs, DNS, IPSec
VPN, Wireshark, Entra ID
Forensics, Automation

Certified:

Microsoft:

  • - Azure Administrator (AZ-104)
  • - Azure Fundamentals (AZ-900)

CompTIA:

  • - Security +
  • - Networking +

Projects:

Mayo's Outlook Forensics. Independently developed an app for analyzing Microsoft Exchange logs for malicious activity, then extracting and analyzing affected emails for sensitive information. The app creates interactive reports that make it easy to share and cooperate with others throughout investigation.

Visit: https://forensics.mayos.dev

MailConverter. Independently developed a Python desktop application that converts PST, MBOX, EML, and MSG emails (with attachments) into a single chronologically ordered PDF while preserving original formatting; adopted for daily use in production at workplace.

Bidding Game. A simple multiplayer auction game. Hosted on Azure Web App service with custom domain enabled by Cloudflare worker proxy.

Visit: https://bid.mayos.dev