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<title>jhossain</title>
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<body>
<div id="background"></div>
<div class="Info">
<div class="pure-g title">
<div class="pure-u-1" >
<div class="title">
<div>
Junet Hossain
</div>
<div class="contact">
<a href="mailto:mail@jhossain.online">mail@jhossain.online</a>
|
<a href="asset/Junet_resume.pdf">Resume</a>
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<a href="#" class="pure-menu-link custom-link-color-force">Email</a>
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<a href="#" class="pure-menu-link">Tumblr Blog</a>
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<div class="pure-g title">
<div class="pure-u-1">
<div class="title">
<div>
Junet Hossain
</div>
<div class="contact">
<a href="mailto:mail@jhossain.online">mail@jhossain.online</a>
|
<a href="asset/Junet_resume.pdf">Resume</a>
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<a href="https://github.com/Hizenberg469" class="pure-menu-link">Github<i class="nes-icon github is-small"></i></a>
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<div id="About-Me" style="padding-left: 15px; padding-top: 10px; font-size: medium;">
Hi..
<p>
I work as an R&D engineer in telecom, mostly around DWDM systems, monitoring, and control-plane software. A lot of my work involves building and fixing things at the system level—usually in C/C++—and making sure they actually hold up in real conditions.
</p>
<p>
Ive worked on spectrum sharing and performance monitoring, where Ive had to deal with everything from low-level device integration to system-wide behavior. I like going deep into problems, especially when theyre messy and dont have obvious answers.
</p>
<p>
Outside of that, I build small system tools and simple web stuff. I prefer things that are minimal, practical, and easy to understand—nothing overengineered.
</p>
</div>
<div id="Projects" style="padding-left: 15px; padding-top: 10px; font-size: small; display: none;">
Coming soon..<br>
Meanwhile, checkout my <a href="https://github.com/Hizenberg469">Github<i class="nes-icon github is-small"></i></a>
or my personal hosting repository <a href="https://git.jhossain.online/Hizenberg">Gitea<i class="nes-icon is-small heart"></i></a>.
</div>
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Checkout my self-hosted repo using <a href="https://git.jhossain.online/Hizenberg">Gitea<i class="nes-icon is-small heart"></i></a>.
</div>
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<h2>Journey</h2>
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<h3><img src="images/APS-DK-logo.jpg" alt="Logo" class="logo"> Army Public School Dhaula Kuan</h3>
<p>Education: Secondary and Senior Secondary</p>
<p>Stream: Science</p>
<p>Duration: July 2011 - July 2020</p>
<p>Secondary Education Grade (10th): 92.2%</p>
<p>Seniro Secondary Education Grade (12th): 94%</p>
</div>
<div class="career-stage">
<h3><img src="images/GGSIU_logo.svg.png" alt="Logo" class="logo">GGSIPU</h3>
<p>Education: B.Tech</p>
<p>Course: Computer Science Engineering</p>
<p>Duration: July 2021 - July 2025</p>
<p>Overall Grade: 9.03 CGPA</p>
</div>
<div class="career-stage">
<h3><img src="images/tejas-networks-logo.png" alt="Logo" class="logo">Tejas Networks Ltd.</h3>
<p>Role: R&D Engineer Intern</p>
<p>Duration: Jan 2025 - July 2025</p>
<br>
<p>Work: </p>
<p> Developed hands-on expertise in Ethernet, VLANs, Layer 2 switching protocols, and introductory virtual device driver development.
Automated Layer 2 product testing via scripting and internal frameworks, slashing manual validation time. Identified and reported critical
software bugs in L2 platform features, focusing on GPON.</p>
</div>
<div class="career-stage">
<h3><img src="images/tejas-networks-logo.png" alt="Logo" class="logo">Tejas Networks Ltd.</h3>
<p>Role: R&D Engineer</p>
<p>Duration: July 2025 - Present</p>
<br>
<p>Work: </p>
<p> Owned and developed the performance monitoring stack for spectrum sharing using Optical Power Monitoring (OPM), including architecture, telemetry, and scalability.
Implemented 6.25 GHz granularity monitoring by extending HAL device classes and integrating across node daemons, supporting dual modes: channel monitoring and
fine-grained spectrum monitoring. Added North Bound Interface support, multi-tenant alarm handling for power thresholds, and a custom single-threaded Wheel Timer for
efficient periodic tasks. Documented via Doxygen, updated MIBs with NMS collaboration, and integrated hardware for reliability; ongoing work on PSD monitoring and
multi-vendor OPM.</p>
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