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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>Jaco du Preez — RF, Radar & Microwave Engineering</title>
<meta name="description" content="Technical Design Authority: Radar Warning Systems at Saab Grintek Defence. RF & Microwave engineering, high-speed digital design, and embedded systems." />
<meta property="og:title" content="Jaco du Preez — RF, Radar & Microwave Engineering" />
<meta property="og:description" content="Technical Design Authority: Radar Warning Systems at Saab Grintek Defence. Specialising in RF & Microwave engineering, radar systems, and high-speed digital design." />
<meta property="og:type" content="website" />
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📡</text></svg>" />
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link href="https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,400&family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
<style>
:root {
--bg: #121110;
--surface: #1a1816;
--surface-hover: #22201d;
--border: #2e2a26;
--accent: #d4742c;
--accent-dim: rgba(212, 116, 44, 0.12);
--accent-light: #e89450;
--accent-deep: #b85910;
--text: #e6e2dd;
--muted: #8a847c;
--mono: 'DM Mono', monospace;
--sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
--max-w: 860px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
background: var(--bg);
color: var(--text);
font-family: var(--sans);
font-size: 15px;
line-height: 1.65;
}
::selection { background: rgba(212, 116, 44, 0.25); color: var(--text); }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
.container {
max-width: var(--max-w);
margin: 0 auto;
padding: 0 1.5rem;
}
nav {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 100;
transition: background 0.25s, border-color 0.25s;
background: transparent;
border-bottom: 1px solid transparent;
}
nav.scrolled {
background: rgba(18, 17, 16, 0.92);
border-bottom-color: var(--border);
}
nav .container {
display: flex;
align-items: center;
justify-content: space-between;
padding-top: 0.9rem;
padding-bottom: 0.9rem;
}
.nav-logo {
font-weight: 700;
font-size: 1rem;
color: var(--text);
text-decoration: none;
letter-spacing: -0.01em;
}
.nav-links {
display: flex;
gap: 1.75rem;
list-style: none;
}
.nav-links a {
color: var(--muted);
text-decoration: none;
font-size: 0.78rem;
transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-toggle {
display: none;
flex-direction: column;
gap: 4px;
background: none;
border: none;
cursor: pointer;
padding: 4px;
}
.nav-toggle span {
display: block;
width: 22px;
height: 1.5px;
background: var(--text);
transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
@keyframes fadeUp {
from { opacity: 0; transform: translateY(18px); }
to { opacity: 1; transform: translateY(0); }
}
#hero {
min-height: 100vh;
display: flex;
align-items: center;
padding: 7rem 0 5rem;
}
.hero-title {
font-size: clamp(2.2rem, 6vw, 4rem);
font-weight: 800;
line-height: 1.08;
letter-spacing: -0.02em;
margin-bottom: 0.5rem;
animation: fadeUp 0.5s ease both;
}
.hero-title .surname {
display: block;
color: var(--accent);
}
.hero-sub {
font-size: 1rem;
color: var(--muted);
max-width: 520px;
margin-bottom: 0.5rem;
line-height: 1.5;
animation: fadeUp 0.5s 0.1s ease both;
}
.hero-sub strong {
color: var(--text);
font-weight: 500;
}
.hero-role {
font-size: 0.82rem;
color: var(--muted);
margin-bottom: 2rem;
animation: fadeUp 0.5s 0.15s ease both;
}
.hero-cta {
display: flex;
gap: 1rem;
flex-wrap: wrap;
animation: fadeUp 0.5s 0.2s ease both;
}
.btn {
display: inline-flex;
align-items: center;
gap: 0.4rem;
padding: 0.6em 1.4em;
font-family: inherit;
font-size: 0.85rem;
text-decoration: none;
transition: all 0.2s;
cursor: pointer;
border: none;
font-weight: 500;
}
.btn-primary {
background: var(--accent);
color: #fff;
}
.btn-primary:hover {
background: var(--accent-light);
}
.btn-ghost {
background: transparent;
color: var(--text);
border: 1px solid var(--border);
}
.btn-ghost:hover {
border-color: var(--accent);
color: var(--accent);
}
section { padding: 5rem 0; }
.section-number {
font-size: 0.7rem;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--accent);
display: block;
margin-bottom: 0.3rem;
}
.section-title {
font-size: clamp(1.5rem, 3vw, 2.2rem);
font-weight: 700;
line-height: 1.15;
margin-bottom: 0.5rem;
}
.section-desc {
font-size: 0.9rem;
color: var(--muted);
margin-bottom: 2.5rem;
max-width: 500px;
}
.skills-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 1px;
background: var(--border);
}
.skill-card {
background: var(--surface);
padding: 1.75rem;
transition: background 0.2s;
}
.skill-card:hover {
background: var(--surface-hover);
}
.skill-icon {
font-size: 1.1rem;
margin-bottom: 0.75rem;
display: block;
}
.skill-title {
font-weight: 600;
font-size: 0.95rem;
margin-bottom: 0.4rem;
color: var(--text);
}
.skill-desc {
font-size: 0.82rem;
color: var(--muted);
line-height: 1.6;
}
.timeline {
border-left: 1px solid var(--border);
padding-left: 1.5rem;
}
.timeline-item {
margin-bottom: 2.5rem;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-company {
font-weight: 600;
font-size: 1rem;
margin-bottom: 0.1rem;
color: var(--text);
}
.timeline-range {
font-size: 0.75rem;
color: var(--accent);
margin-bottom: 0.5rem;
}
.timeline-role {
font-size: 0.88rem;
color: var(--text);
margin-bottom: 0.05rem;
}
.timeline-role-date {
font-size: 0.72rem;
color: var(--muted);
margin-bottom: 0.35rem;
}
.timeline-desc {
font-size: 0.82rem;
color: var(--muted);
line-height: 1.65;
margin-bottom: 0.4rem;
}
.timeline-role-group {
margin-bottom: 0.7rem;
}
.timeline-role-group:last-child { margin-bottom: 0; }
.tags {
display: flex;
flex-wrap: wrap;
gap: 0.4rem;
}
.tag {
font-size: 0.65rem;
letter-spacing: 0.06em;
padding: 0.15em 0.55em;
border: 1px solid var(--border);
color: var(--muted);
font-family: var(--mono);
}
.timeline-footer { margin-top: 2rem; }
.timeline-footer a {
font-size: 0.82rem;
color: var(--accent);
text-decoration: none;
}
.timeline-footer a:hover { color: var(--accent-light); }
.publications-list {
display: flex;
flex-direction: column;
gap: 1px;
background: var(--border);
}
.publication-item {
display: flex;
gap: 1rem;
padding: 1.2rem 1.5rem;
background: var(--surface);
transition: background 0.2s;
}
.publication-item:hover {
background: var(--surface-hover);
}
.publication-num {
font-size: 0.78rem;
color: var(--accent);
font-weight: 500;
flex-shrink: 0;
min-width: 1.5rem;
padding-top: 0.05rem;
font-family: var(--mono);
}
.publication-title {
font-weight: 600;
font-size: 0.92rem;
margin-bottom: 0.15rem;
color: var(--text);
text-decoration: none;
transition: color 0.2s;
display: inline-block;
}
.publication-title:hover {
color: var(--accent);
}
.publication-venue {
font-size: 0.75rem;
color: var(--muted);
}
#contact {
text-align: center;
padding: 6rem 0;
}
.contact-intro {
color: var(--muted);
max-width: 440px;
margin: 0 auto 2rem;
font-size: 0.9rem;
}
.contact-links {
display: flex;
justify-content: center;
gap: 2rem;
flex-wrap: wrap;
}
.contact-link {
display: inline-flex;
align-items: center;
gap: 0.4rem;
color: var(--muted);
text-decoration: none;
font-size: 0.85rem;
transition: color 0.2s;
}
.contact-link:hover { color: var(--accent); }
.contact-link svg {
width: 16px;
height: 16px;
fill: currentColor;
}
footer {
border-top: 1px solid var(--border);
padding: 2rem 0;
text-align: center;
font-size: 0.75rem;
color: var(--muted);
}
.reveal {
opacity: 0;
transform: translateY(18px);
transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
opacity: 1;
transform: none;
}
@media (max-width: 768px) {
.container { padding: 0 1.25rem; }
section { padding: 3.5rem 0; }
.nav-links {
display: none;
position: absolute;
top: 100%;
left: 0;
right: 0;
flex-direction: column;
gap: 0;
background: rgba(18, 17, 16, 0.96);
border-bottom: 1px solid var(--border);
padding: 1rem 1.5rem;
}
.nav-links.open { display: flex; }
.nav-links li { padding: 0.4rem 0; }
.nav-toggle { display: flex; }
.skills-grid { grid-template-columns: 1fr; }
.hero-title { font-size: clamp(2rem, 10vw, 3.2rem); }
.contact-links { gap: 1.25rem; flex-direction: column; align-items: center; }
.publication-item { flex-direction: column; gap: 0.2rem; }
}
@media (max-width: 480px) {
.hero-cta { flex-direction: column; }
.btn { justify-content: center; }
}
@media (min-width: 769px) {
.nav-links { display: flex !important; }
}
</style>
</head>
<body>
<nav id="nav" role="navigation" aria-label="Main navigation">
<div class="container">
<a class="nav-logo" href="#">Jaco du Preez</a>
<button class="nav-toggle" id="navToggle" aria-label="Toggle navigation menu" aria-expanded="false">
<span></span>
<span></span>
<span></span>
</button>
<ul class="nav-links" id="navLinks">
<li><a href="#skills">Skills</a></li>
<li><a href="#experience">Experience</a></li>
<li><a href="#publications">Publications</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
</div>
</nav>
<section id="hero">
<div class="container">
<h1 class="hero-title">
Jaco
<span class="surname">du Preez</span>
</h1>
<p class="hero-sub">
<strong>Technical Design Authority: Radar Warning Systems</strong> at Saab Grintek Defence.
RF & Microwave engineering, high-speed digital design, embedded systems, and radar systems.
</p>
<p class="hero-role">Centurion, South Africa</p>
<div class="hero-cta">
<a class="btn btn-primary" href="#contact">Get in touch</a>
<a class="btn btn-ghost" href="https://www.linkedin.com/in/jaco-du-preez-5906877b/" target="_blank" rel="noopener">
LinkedIn ↗
</a>
<a class="btn btn-ghost" href="https://github.com/striderZA" target="_blank" rel="noopener">
GitHub ↗
</a>
</div>
</div>
</section>
<section id="skills">
<div class="container reveal-group">
<span class="section-number reveal">01 — Expertise</span>
<h2 class="section-title reveal">Core competencies</h2>
<p class="section-desc reveal">RF & microwave engineering, radar systems, and hardware design spanning simulation through manufacturing.</p>
<div class="skills-grid reveal">
<div class="skill-card">
<span class="skill-icon">⚡</span>
<div class="skill-title">RF & Microwave Engineering</div>
<div class="skill-desc">High-performance RF and microwave module design up to 18 GHz. Antenna front-ends, microwave circuit simulation, and measurement.</div>
</div>
<div class="skill-card">
<span class="skill-icon">📡</span>
<div class="skill-title">Radar & EW Systems</div>
<div class="skill-desc">Radar warning systems engineering, electronic warfare, signal processing, and software-defined radio architecture and implementation.</div>
</div>
<div class="skill-card">
<span class="skill-icon">🖥</span>
<div class="skill-title">High-Speed Digital Design</div>
<div class="skill-desc">PCI Express, DDR3/4 memory, SATA, HDMI, DisplayPort. Signal integrity and power integrity analysis with HyperLynx.</div>
</div>
<div class="skill-card">
<span class="skill-icon">🔧</span>
<div class="skill-title">Hardware Design & PCB</div>
<div class="skill-desc">SPICE simulation, schematic capture, PCB layout including post-routing analysis, manufacturing, and XJTAG boundary scan testing.</div>
</div>
<div class="skill-card">
<span class="skill-icon">⚙</span>
<div class="skill-title">FPGA & Firmware</div>
<div class="skill-desc">Intel and Xilinx FPGA design with Vivado, Quartus Prime, HDL Designer, and Modelsim. RTL development, constraint management, IP integration, and hardware-software co-design.</div>
</div>
<div class="skill-card">
<span class="skill-icon">💻</span>
<div class="skill-title">Software & Automation</div>
<div class="skill-desc">Performance-critical C/C++, Python, and bash. Agentic engineering workflows with OpenCode and Claude Code — MCP server integration, AI-assisted development, and CI/CD pipelines with GitLab and BitBucket.</div>
</div>
</div>
</div>
</section>
<section id="experience">
<div class="container reveal-group">
<span class="section-number reveal">02 — Career</span>
<h2 class="section-title reveal">Experience</h2>
<p class="section-desc reveal">Engineering career spanning defence, commercial RF, and research.</p>
<div class="timeline">
<div class="timeline-item reveal">
<div class="timeline-company">Saab</div>
<div class="timeline-range">Jan 2023 — Present · 3 yr 5 mo</div>
<div class="timeline-role-group">
<div class="timeline-role">Technical Design Authority: Radar Warning Systems</div>
<div class="timeline-role-date">Feb 2025 — Present · 1 yr 4 mo</div>
<div class="timeline-role">Engineer: Microwave Design</div>
<div class="timeline-role-date">Jan 2023 — Feb 2025 · 2 yr 2 mo</div>
</div>
<div class="timeline-desc">
Technical authority for radar warning systems at Saab Grintek Defence. Microwave design engineering, hardware development, and systems engineering for electronic warfare and defence applications in Centurion, South Africa.
</div>
<div class="tags">
<span class="tag">Radar</span>
<span class="tag">EW</span>
<span class="tag">RF</span>
<span class="tag">Microwave</span>
<span class="tag">Defence</span>
</div>
</div>
<div class="timeline-item reveal">
<div class="timeline-company">Poynting Antennas</div>
<div class="timeline-range">Jun 2021 — Dec 2022 · 1 yr 7 mo</div>
<div class="timeline-role-group">
<div class="timeline-role">Senior Electronic Engineer</div>
<div class="timeline-role-date">Jul 2022 — Dec 2022 · 6 mo</div>
<div class="timeline-role">Radio Frequency Design Engineer</div>
<div class="timeline-role-date">Jun 2021 — Jun 2022 · 1 yr 1 mo</div>
</div>
<div class="timeline-desc">
Senior electronic and RF design engineering for antenna systems and wireless products. Located in Centurion and Johannesburg.
</div>
<div class="tags">
<span class="tag">RF Design</span>
<span class="tag">Antennas</span>
<span class="tag">Microwave</span>
<span class="tag">PCB</span>
</div>
</div>
<div class="timeline-item reveal">
<div class="timeline-company">Etion Create</div>
<div class="timeline-range">Jan 2017 — May 2021 · 4 yr 5 mo</div>
<div class="timeline-role-group">
<div class="timeline-role">Design Engineer</div>
<div class="timeline-role-date">Mar 2019 — May 2021 · 2 yr 3 mo</div>
<div class="timeline-role">Junior Design Engineer</div>
<div class="timeline-role-date">Jan 2017 — Mar 2019 · 2 yr 3 mo</div>
</div>
<div class="timeline-desc">
Design engineering spanning RF, digital, and embedded systems. Growth from junior to mid-level engineer over four years.
</div>
<div class="tags">
<span class="tag">Hardware Design</span>
<span class="tag">FPGA</span>
<span class="tag">Embedded</span>
<span class="tag">PCB Layout</span>
</div>
</div>
<div class="timeline-item reveal">
<div class="timeline-company">University of Johannesburg</div>
<div class="timeline-range">Jul 2015 — Jul 2017 · 2 yr 1 mo</div>
<div class="timeline-role">Research Associate</div>
<div class="timeline-desc">
Research in microelectronic engineering, contributing to millimeter-wave technologies and integrated circuit design. Based in Johannesburg.
</div>
<div class="tags">
<span class="tag">Research</span>
<span class="tag">mm-Wave</span>
<span class="tag">Microelectronics</span>
</div>
</div>
<div class="timeline-item reveal">
<div class="timeline-company">University of Pretoria</div>
<div class="timeline-range">Jan 2016 — Jul 2016 · 7 mo</div>
<div class="timeline-role">Assistant Lecturer</div>
<div class="timeline-desc">
Assistant lecturer for electrical and electronics engineering courses. Delivered instruction and practical sessions.
</div>
<div class="tags">
<span class="tag">Education</span>
<span class="tag">Electrical Engineering</span>
</div>
</div>
<div class="timeline-item reveal">
<div class="timeline-company">Alaris Antennas</div>
<div class="timeline-range">Jan 2015 — Aug 2015 · 8 mo</div>
<div class="timeline-role">Junior Electronic Engineer (Part Time)</div>
<div class="timeline-desc">
Part-time junior engineer responsible for the design and layout of an 8-way RF switch and control PCB.
</div>
<div class="tags">
<span class="tag">RF</span>
<span class="tag">PCB Layout</span>
<span class="tag">Antennas</span>
</div>
</div>
</div>
<div class="timeline-footer reveal">
<a href="https://www.linkedin.com/in/jaco-du-preez-5906877b/" target="_blank" rel="noopener">
View full profile on LinkedIn →
</a>
</div>
</div>
</section>
<section id="publications">
<div class="container reveal-group">
<span class="section-number reveal">03 — Research</span>
<h2 class="section-title reveal">Publications</h2>
<p class="section-desc reveal">Peer-reviewed research in millimeter-wave technology, microwave engineering, and engineering education.</p>
<div class="publications-list">
<div class="publication-item reveal">
<span class="publication-num">01</span>
<div>
<a class="publication-title" href="https://link.springer.com/book/10.1007/978-3-319-35068-4" target="_blank" rel="noopener">Millimeter-Wave Antennas: Configurations and Applications ↗</a>
<div class="publication-venue">Springer · Book</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">02</span>
<div>
<a class="publication-title" href="https://link.springer.com/book/10.1007/978-3-031-14655-8" target="_blank" rel="noopener">State-of-the-Art of Millimeter-Wave Silicon Technology ↗</a>
<div class="publication-venue">Springer · Book</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">03</span>
<div>
<a class="publication-title" href="https://ieeexplore.ieee.org/document/6562981/" target="_blank" rel="noopener">Inactivating Pathogenic Micro-organisms Through Microwave Sterilization Technology ↗</a>
<div class="publication-venue">IEEE · Conference Paper</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">04</span>
<div>
<a class="publication-title" href="https://ieeexplore.ieee.org/document/9375030/" target="_blank" rel="noopener">A Paradigm Shift in Higher Education in the Context of the Fourth Industrial Revolution ↗</a>
<div class="publication-venue">IEEE · Conference Paper</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">05</span>
<div>
<a class="publication-title" href="https://link.springer.com/book/10.1007/978-3-319-62166-1" target="_blank" rel="noopener">Millimeter-Wave Power Amplifiers ↗</a>
<div class="publication-venue">Springer · Book</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">06</span>
<div>
<a class="publication-title" href="https://spectrum.ieee.org/how-chatgpt-could-revolutionize-academia" target="_blank" rel="noopener">How ChatGPT Could Revolutionize Academia ↗</a>
<div class="publication-venue">IEEE Spectrum · Online Article · June 2023</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">07</span>
<div>
<a class="publication-title" href="https://ieeexplore.ieee.org/document/10143544" target="_blank" rel="noopener">SiGe and CMOS Technology for State-of-the-Art Millimeter-Wave Transceivers ↗</a>
<div class="publication-venue">IEEE · Journal Paper</div>
</div>
</div>
<div class="publication-item reveal">
<span class="publication-num">08</span>
<div>
<a class="publication-title" href="https://journals.uj.ac.za/index.php/The_Thinker/article/view/221" target="_blank" rel="noopener">Higher Education Leadership in the Era of the Fourth Industrial Revolution ↗</a>
<div class="publication-venue">The Thinker · Magazine Article · Vol. 83 No. 1 (2020)</div>
</div>
</div>
</div>
</div>
</section>
<section id="contact">
<div class="container reveal-group">
<span class="section-number reveal">04 — Connect</span>
<h2 class="section-title reveal" style="margin-bottom:0.5rem;">Get in touch</h2>
<p class="contact-intro reveal">
Interested in RF engineering, radar systems, or electronic defence collaboration? Let's talk.
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<a class="contact-link" href="https://github.com/striderZA" target="_blank" rel="noopener">
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