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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>Keith Casko | IT Support, Systems Administration & Cloud Operations</title>
<meta
name="description"
content="Keith Casko portfolio featuring IT support, Windows Server, Active Directory, Linux, AWS, Docker, networking, troubleshooting, and cloud operations projects."
/>
<style>
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.experience {
margin-top: 18px;
padding-top: 18px;
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.contact {
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}
.contact-card {
padding: 46px;
text-align: center;
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background:
radial-gradient(circle at top, rgba(57, 216, 255, 0.11), transparent 40%),
var(--panel);
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.contact-card h2 {
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.contact-card p {
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footer {
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color: var(--muted);
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.footer-inner {
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flex-wrap: wrap;
}
@media (max-width: 850px) {
.nav-links {
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.stats,
.skills,
.case-grid {
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.section-heading,
.education-card {
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.project-card.featured {
grid-template-columns: 1fr;
}
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@media (max-width: 620px) {
.hero {
min-height: auto;
padding-top: 75px;
}
.stats,
.project-grid,
.skills,
.case-grid {
grid-template-columns: 1fr;
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.project-card.featured {
grid-column: auto;
}
.contact-card {
padding: 30px 20px;
}
.btn {
width: 100%;
}
}
</style>
</head>
<body>
<nav class="nav">
<div class="container nav-inner">
<a href="#top" class="brand">
<span class="brand-mark">K</span>
<span>Keith Casko</span>
</a>
<div class="nav-links">
<a href="#projects">Projects</a>
<a href="#skills">Skills</a>
<a href="#troubleshooting">Troubleshooting</a>
<a href="#background">Background</a>
<a href="#contact">Contact</a>
</div>
</div>
</nav>
<main id="top">
<header class="hero">
<div class="grid-glow"></div>
<div class="container hero-content">
<span class="eyebrow">Kalamazoo, Michigan</span>
<h1>
IT Support.<br />
Systems Administration.<br />
<span class="hero-title-accent">Cloud Operations.</span>
</h1>
<p class="hero-subtitle">
Hands-on experience with Windows Server, Active Directory,
Linux, AWS, networking, Docker, monitoring, remote administration,
and technical troubleshooting.
</p>
<p class="hero-copy">
I build practical infrastructure labs and cloud projects to solve
real technical problems while completing my B.S. in Software
Engineering at Western Governors University.
</p>
<div class="actions">
<a class="btn btn-primary" href="#projects">View Projects</a>
<!-- Replace # with your actual resume file -->
<a class="btn" href="#" target="_blank">Resume</a>
<!-- Replace # with your GitHub profile -->
<a class="btn" href="#" target="_blank">GitHub</a>
<!-- Replace # with your LinkedIn profile -->
<a class="btn" href="#" target="_blank">LinkedIn</a>
</div>
<div class="stats">
<div class="stat">
<div class="stat-label">Systems</div>
<div class="stat-value">
Windows 10/11<br />
Server 2022<br />
Ubuntu
</div>
</div>
<div class="stat">
<div class="stat-label">Cloud</div>
<div class="stat-value">
AWS<br />
Serverless<br />
IAM
</div>
</div>
<div class="stat">
<div class="stat-label">Infrastructure</div>
<div class="stat-value">
Docker<br />
Networking<br />
Monitoring
</div>
</div>
<div class="stat">
<div class="stat-label">Focus</div>
<div class="stat-value">
Support<br />
Sysadmin<br />
Cloud Ops
</div>
</div>
</div>
</div>
</header>
<section id="projects">
<div class="container">
<div class="section-heading">
<div>
<div class="section-kicker">Selected Work</div>
<h2>Infrastructure built by doing.</h2>
</div>
<p class="section-description">
My projects focus on the same areas used in real IT environments:
user administration, Windows Server, networking, troubleshooting,
cloud services, permissions, monitoring, remote administration,
and service reliability.
</p>
</div>
<div class="project-grid">
<article class="card project-card featured">
<div>
<div class="project-num">01 // FEATURED PROJECT</div>
<h3>ByteGeist Windows Server Lab</h3>
<div class="tag-row">
<span class="tag">Windows Server 2022</span>
<span class="tag">Active Directory</span>
<span class="tag">DNS</span>
<span class="tag">Windows 11</span>
</div>
<p>
Built a Windows domain environment to practice common help desk
and junior systems administration workflows.
</p>
<ul class="bullet-list">
<li>
Built and configured a Windows Server 2022 domain controller.
</li>
<li>
Configured Active Directory Domain Services and DNS.
</li>
<li>
Created organizational units, users, and security groups.
</li>
<li>
Joined Windows 11 workstations to the domain.
</li>
<li>
Created departmental file shares and configured access permissions.
</li>
<li>
Practiced user administration, domain joins, permissions,
and DNS troubleshooting.
</li>
</ul>
</div>
<div class="terminal">
<div class="terminal-bar">
<div class="terminal-dot"></div>
<div class="terminal-dot"></div>
<div class="terminal-dot"></div>
</div>
<div>
<span class="prompt">PS C:\&gt;</span>
<span class="cmd"> Get-ADDomain</span>
</div>
<br />
<div class="out">DomainMode : Windows2016Domain</div>
<div class="out">DNSRoot : ad.bytegeist.lab</div>
<br />
<div>
<span class="prompt">PS C:\&gt;</span>
<span class="cmd"> Get-ADOrganizationalUnit -Filter *</span>
</div>
<br />
<div class="out">ByteGeist</div>
<div class="out">Servers</div>
<div class="out">Workstations</div>
<div class="out">IT</div>
<br />
<div class="ok">[ OK ] Domain services operational</div>
<div class="ok">[ OK ] DNS resolution verified</div>
<div class="ok">[ OK ] Client joined to domain</div>
</div>
</article>
<article class="card project-card">
<div class="project-num">02 // CLOUD SUPPORT</div>
<h3>ByteGeist Support Lab</h3>
<div class="tag-row">
<span class="tag">AWS</span>
<span class="tag">Lambda</span>
<span class="tag">API Gateway</span>
<span class="tag">DynamoDB</span>
<span class="tag">Amplify</span>
</div>
<p>
Interactive IT troubleshooting application built around realistic
support incidents and command-line diagnosis.
</p>
<ul class="bullet-list">
<li>Designed realistic technical support scenarios.</li>
<li>Built troubleshooting and incident-resolution workflows.</li>
<li>Developed AWS Lambda backend functions.</li>
<li>Connected API Gateway endpoints and DynamoDB data.</li>
<li>Deployed the frontend through AWS Amplify.</li>
<li>Managed source control using Git and GitHub.</li>
</ul>
</article>
<article class="card project-card">
<div class="project-num">03 // HOMELAB</div>
<h3>Linux & Docker Homelab</h3>
<div class="tag-row">
<span class="tag">Ubuntu</span>
<span class="tag">Docker</span>
<span class="tag">Docker Compose</span>
<span class="tag">Grafana</span>
<span class="tag">Prometheus</span>
</div>
<p>
Linux infrastructure environment used to deploy, administer,
monitor, and troubleshoot self-hosted services.
</p>
<ul class="bullet-list">
<li>Administered Ubuntu and WSL2 environments.</li>
<li>Deployed services with Docker and Docker Compose.</li>
<li>Configured DNS, TLS, SSH, VPN connectivity, and firewalls.</li>
<li>Configured reverse proxies and remote administration.</li>
<li>Monitored services with Grafana, Prometheus, Loki, and Uptime Kuma.</li>
<li>
Troubleshot networking, authentication, permissions,
DNS, and service availability.
</li>
</ul>
</article>
<article class="card project-card">
<div class="project-num">04 // SERVERLESS</div>
<h3>AWS Cloud Study Tracker</h3>
<div class="tag-row">
<span class="tag">AWS Amplify</span>
<span class="tag">API Gateway</span>
<span class="tag">Lambda</span>
<span class="tag">DynamoDB</span>
<span class="tag">IAM</span>
</div>
<p>
Cloud-based application built to practice full serverless
application deployment and AWS service integration.
</p>
<ul class="bullet-list">
<li>Built CRUD functionality backed by DynamoDB.</li>
<li>Developed Lambda functions.</li>
<li>Created API Gateway endpoints.</li>
<li>Configured IAM service permissions.</li>
<li>Deployed the frontend with AWS Amplify.</li>
</ul>
</article>
<article class="card project-card">
<div class="project-num">05 // SUPPORT PRACTICE</div>
<h3>Remote Administration & Troubleshooting</h3>
<div class="tag-row">
<span class="tag">RDP</span>
<span class="tag">Parsec</span>
<span class="tag">Tailscale</span>
<span class="tag">RealVNC</span>
</div>
<p>
Hands-on practice remotely accessing, diagnosing, and administering
systems across Windows and Linux environments.
</p>
<ul class="bullet-list">
<li>Used multiple remote administration tools.</li>
<li>Diagnosed connectivity and access problems.</li>
<li>Worked with VPN-based remote connectivity.</li>
<li>Practiced permissions and authentication troubleshooting.</li>
</ul>
</article>
</div>
</div>
</section>
<section id="skills">
<div class="container">
<div class="section-heading">
<div>
<div class="section-kicker">Technical Skills</div>
<h2>Built around support and infrastructure.</h2>
</div>
<p class="section-description">
These are technologies and concepts I have worked with through
technical projects, labs, coursework, and hands-on infrastructure work.
</p>
</div>
<div class="skills">
<div class="skill-group">
<h3>Operating Systems</h3>
<p>
Windows 10/11, Windows Server 2022, Ubuntu Linux, WSL2
</p>
</div>
<div class="skill-group">
<h3>Systems Administration</h3>
<p>
Active Directory, user and group management, organizational units,
domain joins, file shares, permissions, DNS
</p>
</div>
<div class="skill-group">
<h3>AWS</h3>
<p>
EC2, S3, IAM, Lambda, API Gateway, DynamoDB, Amplify,
Systems Manager, KMS
</p>
</div>
<div class="skill-group">
<h3>Networking</h3>
<p>
TCP/IP, DNS, DHCP, SSH, HTTP/HTTPS, TLS, VPNs,
IPv4/IPv6, reverse proxies, firewalls
</p>
</div>
<div class="skill-group">
<h3>Troubleshooting</h3>
<p>
ping, nslookup, curl, connectivity testing, DNS troubleshooting,
authentication, permissions, service availability
</p>
</div>
<div class="skill-group">
<h3>Infrastructure</h3>
<p>
Docker, Docker Compose, VirtualBox, Portainer,
Grafana, Prometheus, Loki, Uptime Kuma
</p>
</div>
<div class="skill-group">
<h3>Remote Support</h3>
<p>
RDP, Parsec, Tailscale, RealVNC
</p>
</div>
<div class="skill-group">
<h3>Scripting & Tools</h3>
<p>
PowerShell, Bash, Git, GitHub
</p>
</div>
<div class="skill-group">
<h3>Development</h3>
<p>
Java, JavaScript, React
</p>
</div>
</div>
</div>
</section>
<section id="troubleshooting">
<div class="container">
<div class="section-heading">
<div>
<div class="section-kicker">Troubleshooting</div>
<h2>How I approach technical problems.</h2>
</div>
<p class="section-description">
Good support work is less about memorizing fixes and more about
narrowing the problem, validating assumptions, and confirming
the resolution.
</p>
</div>
<div class="case-grid">
<article class="card case">
<div class="case-label">Case 01</div>
<h3>DNS Resolution Failure</h3>
<div class="case-row">
<strong>Symptom</strong>
<p>
A Windows system cannot resolve an expected hostname.
</p>
</div>
<div class="case-row">
<strong>Investigation</strong>
<p>
Verify TCP/IP configuration, inspect DNS settings, use ping
and nslookup, and compare hostname and IP connectivity.
</p>
</div>
<div class="case-row">
<strong>Approach</strong>
<p>
Isolate whether the failure is network connectivity,
DNS configuration, or name resolution.
</p>
</div>
</article>
<article class="card case">
<div class="case-label">Case 02</div>
<h3>Docker Service Unreachable</h3>
<div class="case-row">
<strong>Symptom</strong>
<p>
A container appears to be running but the service cannot be reached.
</p>
</div>
<div class="case-row">
<strong>Investigation</strong>
<p>
Check container state, logs, ports, Docker networks,
DNS resolution, firewall rules, and HTTP connectivity.
</p>
</div>
<div class="case-row">
<strong>Approach</strong>
<p>
Work layer by layer from application state to container
networking and host connectivity.
</p>
</div>
</article>
<article class="card case">
<div class="case-label">Case 03</div>
<h3>Access & Permissions Issue</h3>
<div class="case-row">
<strong>Symptom</strong>
<p>
A user or service cannot access a resource it should be able to use.
</p>
</div>
<div class="case-row">
<strong>Investigation</strong>
<p>
Check identity, group membership, permissions, authentication,
service configuration, and network accessibility.
</p>
</div>
<div class="case-row">
<strong>Approach</strong>
<p>
Validate the identity first, then move through authorization
and connectivity instead of changing random settings.
</p>
</div>
</article>
</div>
</div>
</section>
<section id="background">
<div class="container">
<div class="section-heading">
<div>
<div class="section-kicker">Background</div>
<h2>Technical growth backed by real work experience.</h2>
</div>
<p class="section-description">
My technical experience comes from hands-on infrastructure projects,
cloud labs, software development, and formal coursework, supported by
years of professional experience working with customers and teams in a
demanding production environment.
</p>
</div>
<div class="card education-card">
<div>
<div class="section-kicker">Education</div>
<h3>Western Governors University</h3>
<p>
Bachelor of Science, Software Engineering
<br />
In Progress
</p>
</div>
<div>
<strong>Relevant study</strong>
<p>
Cloud Computing, Networking, IT Operations,
Software Development, Java, Web Development,
and Security Fundamentals.
</p>
<div class="experience">
<strong>Professional Experience</strong>
<p>
Costco Wholesale, Baker
</p>
<p>
Experience working in a high-volume environment requiring
accuracy, prioritization, troubleshooting, process discipline,
teamwork, training, communication, customer service,
and problem solving.
</p>
</div>
</div>
</div>
</div>
</section>
<section id="contact" class="contact">
<div class="container">
<div class="card contact-card">
<div class="section-kicker">Contact</div>
<h2>Looking for an IT support or infrastructure opportunity.</h2>
<p>
I am currently targeting IT Support, Help Desk, Desktop Support,
Junior Systems Administration, Cloud Support, Cloud Operations,
NOC, and Junior Infrastructure roles.
</p>
<div class="actions" style="justify-content:center;">
<a
class="btn btn-primary"
href="mailto:keith.casko@gmail.com"
>
Email Me
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<a class="btn" href="#" target="_blank">GitHub</a>
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IT Support · Systems Administration · Cloud Operations
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