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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Ryhan Uddin | Experience</title>
  <link rel="stylesheet" href="styles.css" />
</head>
<body>
  <header class="topbar">
    <div class="container nav">
      <a href="index.html" class="brand">Ryhan Uddin</a>
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          <li><a href="index.html">Home</a></li>
          <li><a href="about.html">About</a></li>
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          <li><a href="experience.html" class="active">Experience</a></li>
          <li><a href="skills.html">Skills</a></li>
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    <section class="page-hero">
      <div class="container">
        <div class="eyebrow">Experience</div>
        <h1 class="page-title">Academic, technical, and professional <span class="highlight">experience</span></h1>
      </div>
    </section>

    <section class="section">
      <div class="container">
        <div class="experience-list">

          <article class="experience-card">
            <div class="exp-logo-box">
              <img src="icons/csu.png" alt="Cleveland State University logo" class="exp-logo" />
            </div>
            <div class="exp-content">
              <h3 class="exp-role">Research Assistant</h3>
              <p class="exp-company">Cleveland State University</p>
              <p class="exp-meta">Jan 2022 – Present • Full-time</p>
              <p class="exp-location">Ohio, United States</p>
              <ul class="exp-list">
                <li>Conduct cybersecurity research, contributing to funded projects, academic publications, and conference presentations.</li>
                <li>Administer and maintain ISCAR Lab servers, including Linux and Windows systems, to support availability, performance, and security.</li>
                <li>Develop and automate system administration tasks using Python and Bash scripting to improve operational efficiency.</li>
                <li>Collaborate with faculty and graduate students on experimental design, data analysis, and technical documentation for research workflows.</li>
              </ul>
            </div>
          </article>

          <article class="experience-card">
            <div class="exp-logo-box">
              <img src="icons/csu.png" alt="Cleveland State University logo" class="exp-logo" />
            </div>
            <div class="exp-content">
              <h3 class="exp-role">Graduate Assistant / Teaching Assistant</h3>
              <p class="exp-company">Cleveland State University</p>
              <p class="exp-meta">Academic Role</p>
              <p class="exp-location">Ohio, United States</p>
              <ul class="exp-list">
                <li>Supported teaching, student guidance, technical labs, and research-related academic activities in cybersecurity and computing courses.</li>
                <li>Helped students with course material, practical exercises, and applied problem-solving in systems and security topics.</li>
              </ul>
            </div>
          </article>

          <article class="experience-card">
            <div class="exp-logo-box">
              <img src="icons/gcl.png" alt="Grameen CyberNet Limited logo" class="exp-logo" />
            </div>
            <div class="exp-content">
              <h3 class="exp-role">System Engineer</h3>
              <p class="exp-company">Grameen CyberNet Limited</p>
              <p class="exp-meta">Nov 2015 – Feb 2021 • Full-time</p>
              <p class="exp-location">Dhaka, Bangladesh • On-site</p>
              <ul class="exp-list">
                <li>Managed and supported Linux-based enterprise systems, including mail servers, DNS, web hosting, and FTP services.</li>
                <li>Worked with VMware vSphere and virtualized infrastructure to support provisioning, maintenance, and operational continuity.</li>
                <li>Supported Microsoft 365, Azure-related environments, user administration, and infrastructure operations across client environments.</li>
                <li>Provided technical troubleshooting and multi-environment support for systems, applications, and infrastructure services.</li>
              </ul>
            </div>
          </article>

          <article class="experience-card">
            <div class="exp-logo-box">
              <img src="icons/gcl.png" alt="Grameen CyberNet Limited logo" class="exp-logo" />
            </div>
            <div class="exp-content">
              <h3 class="exp-role">Support Engineer</h3>
              <p class="exp-company">Grameen CyberNet Limited</p>
              <p class="exp-meta">Dec 2014 – Oct 2015 • Full-time</p>
              <p class="exp-location">Dhaka, Bangladesh • On-site</p>
              <ul class="exp-list">
                <li>Delivered client-facing support for system, network, and service-related issues across enterprise environments.</li>
                <li>Assisted with monitoring, troubleshooting, and escalation of infrastructure incidents to maintain service reliability.</li>
                <li>Supported server operations, end-user issues, and routine technical administration tasks.</li>
              </ul>
            </div>
          </article>

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