Vignesh M
Software Engineer 4 @ Juniper (HPE) | L2/L3 Networking & Protocol Stack Developer | Ex‑Altran | Ex‑Aricent
- Role
- Software Engineer 4 at Juniper Networks
- Location
- Chinthamani Madurai, TN, IN
- LinkedIn followers
- 500 followers
About Vignesh M
The most important thing about education is that no one can steal it from you
Experience
Software Engineer 4
Jul 2025 — Present · Bengaluru, IN
Lead owner for P1/P2 escalations across routing, switching, ACL, and cloud data‑center deployments; partnered with TAC/JTAC, field teams, and hyperscale customers.++ Authored and presented major‑incident deep dives to Principal Engineers connecting architecture, root causes, and mitigations to business impact.++ Delivered end‑to‑end fixes: RCA → code patches/backports → regression testing → controlled rollout, significantly reducing MTTR and repeat incidents.++ Led RCCA across protocol, kernel/memory, and ASIC/PFE layers; implemented corrective and preventive guardrails (monitoring, feature flags, test coverage).++ Built advanced RSIs and debugging tools improving observability and reducing diagnosis time for QFX5K and EX4K switches.++ Specialized in kernel performance, memory management, low‑latency data paths, and device driver enhancements in QFX5K and EX4K switches.++ Mentored engineers, guided PR reviews, and supported cross‑team alignment during critical war rooms.++ Recognized by Juniper with 24 consecutive Spotlight Awards for quarterly impact.
Education
Velammal matriculation Higher Secondary School ., Madurai
Higher Secondary Course, Biology/Biological Sciences, General
2012 — 2014
Mepco Schlenk Engineering College
Bachelor’s Degree, Information Technology
2014 — 2018
Koodakovil C.Nachiappa Nadar Matriculation School , Madurai
SSLC, (Maths-Science-Social Science)
2008 — 2012
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