Edrick Tamayo

Resume

System administrator and software developer

[email protected] · github.com/edrickt

Experience

System Administrator

October 2025 to Present

Veterans Affairs Medical Center (Kentro)

  • Built a ServiceNow dashboard to help technicians, site leads, and district managers nationwide meet and track performance
  • Administered government-furnished equipment (GFE) in Active Directory with precise, audit-ready access controls
  • Configured and managed Oracle Cerner EHR training environments with close attention to detail under stringent requirements
  • Diagnosed and resolved issues during the VA's Cerner transition, troubleshooting associated devices to minimize downtime
  • Installed and maintained IP phone devices and voicemail accounts in Cisco Call Manager and Unity for end users
  • Tracked and managed government equipment in IBM Maximo for enterprise asset accounting
  • Documented service tickets in ServiceNow with clear, detailed resolutions for reporting and operational transparency
  • Managed user accounts and distribution groups in Microsoft 365, Exchange Admin Center, and Windows Active Directory
  • Extended network infrastructure to a new telecommunications room, including switch provisioning and VLAN verification
  • Rapidly learned government proprietary systems to independently diagnose and resolve end-user technical issues
  • Serve as primary IT contact for Battle Creek VA leadership, providing clear communication and strong customer service

Senior System Administrator and Graduate Assistant

February 2021 to August 2025

Western Michigan University, Computer Aided Engineering Center

  • Supervised and trained a team of five system administrators and six lab attendants as SME across a range of systems
  • Managed server setup, maintenance, and lifecycle for the WMU engineering campus using VMware ESXi
  • Built and maintained specialized lab environments, including autonomous vehicle Linux labs and remote access setups, supporting end users
  • Set up a Linux backup system to protect CAE Center server data from emergencies and accidental loss
  • Led annual campus-wide computer imaging and other major technical projects, coordinating timelines across stakeholders
  • Conducted interviews and made final hiring decisions, evaluating candidates' technical and communication skills
  • Identified and resolved Tenable security vulnerabilities across Windows and Linux systems through careful analysis
  • Troubleshot and provided guidance on networking issues across IP, VPN, DNS, firewalls, SSL certificates, and related areas

Achievements, projects, and volunteering

Scouting America Merit Badge Educator

November 2024 to Present

Scouting America

  • Educate Scouts in programming and basic computer science
  • Create a single-day course with lectures and projects that engages Scouts regardless of age and background
  • Provide quality education to Scouts to aid them in attaining the programming merit badge

Classical/Quantum Machine Learning Researcher

September 2024 to August 2025

Western Michigan University with Dr. Robert Makin

DOI: 10.1557/s43580-025-01420-7, published October 2025

  • Analyzed a technical scientific dataset, identifying and addressing class imbalance and other data quality issues
  • Cleaned and preprocessed raw datasets for model training and optimization
  • Improved model accuracy using Bayesian hyperparameter optimization and bootstrap aggregation
  • Built a hybrid classical-quantum ML solution and compared performance across methodologies
  • Designed a custom ensemble model using a variational quantum classifier with PennyLane
  • Used SHAP values and other feature analysis techniques to interpret model behavior and feature insights
  • Automated Python workflows and data pipelines using Docker, Woodpecker CI, and Forgejo
  • Documented model architecture and results; presented findings at a research poster session

Capstone Project Full-Stack Software Developer

August 2022 to April 2023

Western Michigan University, Senior Design Project

  • Co-led full-stack development on a five-member team, handling both architecture decisions and day-to-day coordination
  • Built UI/UX and back-end features using JavaScript, React Native, and multiple APIs
  • Wrote thorough documentation to support maintainability and knowledge transfer to new developers
  • Developed and ran test cases for front-end and back-end components
  • Operated in an agile-based development process

Education

Master of Science, Computer Science

August 2023 to June 2025

Western Michigan University

3.89 GPA

Bachelor of Science, Computer Science

January 2021 to June 2023

Western Michigan University

3.95 GPA

Associate of Science, Computer Science

September 2018 to December 2020

Kalamazoo Valley Community College

3.80 GPA

Skills

Programming languages

Python, C#, JavaScript, C/C++, SQL, HTML, CSS, PHP, Bash, R

Frameworks and libraries

React Native, Torch, Scikit-learn, PennyLane, Pandas, NumPy, Expo, Jupyter, Node.js, LangChain, OpenCV, YOLOv3, MySQL, Django, PyTorch, various APIs

Platforms and technologies

Windows Server, Linux (Debian), macOS, VMware ESXi/vCenter/vSphere, Oracle VirtualBox, Docker, Windows Active Directory, Group Policies, LDAP, DNS, DHCP, VPN, NAC, VLAN, Routers, Firewalls, SSH, VNC, SSL Certificates, Nagios, Snipe-IT, ServiceNow, IBM Maximo, Redmine, Git, Woodpecker, PowerShell, Microsoft Azure, Amazon AWS S3, Cisco Collaboration Suite, Microsoft Office, Microsoft Exchange Admin Center, Microsoft Entra