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Sahil Aggarwal Email & Phone Number

Senior Software Engineer in Azure Core Networking at Microsoft at Microsoft
Location: Milpitas, California, United States 5 work roles 2 schools
2 work emails found @microsoft.com 1 phone found area 408 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 1 phone

Work email s****@microsoft.com
Direct phone (408) ***-****
LinkedIn Profile matched
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Current company
Role
Senior Software Engineer in Azure Core Networking at Microsoft
Location
Milpitas, California, United States
Company size

Who is Sahil Aggarwal? Overview

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Quick answer

Sahil Aggarwal is listed as Senior Software Engineer in Azure Core Networking at Microsoft at Microsoft, a with 10 employees, based in Milpitas, California, United States. AeroLeads shows a work email signal at microsoft.com, phone signal with area code 408, and a matched LinkedIn profile for Sahil Aggarwal.

Sahil Aggarwal previously worked as Senior Software Engineer at Microsoft and Software Engineer II at Microsoft. Sahil Aggarwal holds Master'S Degree, Computer Engineering from San José State University.

Company email context

Email format at Microsoft

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{first}.{last}@microsoft.com
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Profile bio

About Sahil Aggarwal

Senior Software Engineer at Microsoft with multiple years of professional hands-on experience in software defined networking, customer on-calls, virtualization and accelerated networking.• Led the design and implementation of Azure’s first SDN platform that enabled virtual networking features for specialized and advanced workloads. This innovation led to substantial cost reductions in deploying production systems.• Serving as on-call leader and expert in data path by resolving critical customer issues.

Listed skills include Operating Systems, Linux, Networking, C++ Language, and 15 others.

Current workplace

Sahil Aggarwal's current company

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Microsoft
Microsoft
Senior Software Engineer in Azure Core Networking at Microsoft
Redmond, WA
Website
Employees
10
AeroLeads page
5 roles

Sahil Aggarwal work experience

A career timeline built from the work history available for this profile.

Senior Software Engineer

Current

Redmond, Washington, Us

• Spearheaded the design and development of SDN appliance data path, specifically tailored for Azure’s advanced workloads which featured a sophisticated architecture incorporating multiple SmartNics (FPGAs).• Introduced and engineered a cross-driver module for detecting packet corruption and kernel memory leaks, effectively safeguarding over 500+ live production nodes from potential crashing and causing outages.• Orchestrated the development of a polling thread-based design that unified the control plane and SmartNIC driver, leading to real-time BGP session management with zero down time.• Served as a data path expert and on-call leader, providing guidance to team members, and effectively resolving critical production issues while maintaining SLA (Service Level Agreement).• Eliminated packet black hole by designing and interfacing kernel NIC change notification with SmartNIC driver.• Achieved serviceability for windows filtering driver and maintained zero down time by implementing synchronization-based vPort referencing and dereferencing mechanism that operates seamlessly even during active traffic.• Maintained automation test cases and telemetry all the features to improve debuggability.• Recognized as team’s quality expert for ensuring higher code standards and adherence to best practices through code reviews.• Injecting network endpoints into a SDN (Software Define Networking). U.S. Patent US11190406B1, issued Nov 30, 2021

Sep 2021 - Present

Software Engineer Ii

Redmond, Washington, Us

Part of Azure Specialized Networking group where I developed and implemented SDN Datapath forwarding module to support specialized workloads.

Jan 2020 - Sep 2021

Sr. Software Engineer

San Jose, California, Us

• Extended overlay-tunnel infrastructure for GRE and VxLAN to support IPv6 protocol, point-to-point Generic Routing Encapsulation (GRE) overlay tunnels to use Tunnel Keepalive Mechanism enabling higher performance for routing protocols like BGP, OSPFv3 and IS-IS• Redesigned SNMP module to achieve multi-card SNMP trap synchronization to support high end chassis platforms• Remodeled management services to achieve high security and controlled access to networking using Access-lists• Designed and integrated A10 Networks CGN solution with Smart Services Routers (SSR) product line of Ericsson• Contributed in design and improvement of multiple L2/3 features working with cross-functional teams• Tested newly developed software through rigorous test methodology and automation infrastructure to ensure enough coverage and consistent results

Jun 2015 - Jan 2020

Software Engineering Intern

Kista, Stockholm, Se

• Involved in the development and performance improvement of Segment Routing feature in MPLS of IPOS • Receiving hands-on experience on the routing technologies which includes RSVP-TE and BGP

Jan 2015 - Jun 2015

Research & Teaching Assistant In System Software

San Jose, Ca, Us

Computer Engineering core course called System Software gives a detailed working and development of compilers, operating systems,assemblers and linkersDuties: • Involved in research on Compilers and System Software• Assisting students by tutorials on confusing topics and clearing their doubts• Directing students in their course long Project• Setting-up and Grading Assignment, Quizzes and Exams for class

Sep 2014 - Jan 2015
Team & coworkers

Colleagues at Microsoft

Other employees you can reach at microsoft.com. View company contacts for 10 employees →

2 education records

Sahil Aggarwal education

Master'S Degree, Computer Engineering

San José State University

Bachelor'S Degree, Computer Science Engineering

Kurukshetra University
FAQ

Frequently asked questions about Sahil Aggarwal

Quick answers generated from the profile data available on this page.

What company does Sahil Aggarwal work for?

Sahil Aggarwal works for Microsoft.

What is Sahil Aggarwal's role at Microsoft?

Sahil Aggarwal is listed as Senior Software Engineer in Azure Core Networking at Microsoft at Microsoft.

What is Sahil Aggarwal's email address?

AeroLeads has found 2 work email signals at @microsoft.com for Sahil Aggarwal at Microsoft.

What is Sahil Aggarwal's phone number?

AeroLeads has found 1 phone signal(s) with area code 408 for Sahil Aggarwal at Microsoft.

Where is Sahil Aggarwal based?

Sahil Aggarwal is based in Milpitas, California, United States while working with Microsoft.

What companies has Sahil Aggarwal worked for?

Sahil Aggarwal has worked for Microsoft, A10 Networks, Inc, Ericsson, and San Jose State University.

Who are Sahil Aggarwal's colleagues at Microsoft?

Sahil Aggarwal's colleagues at Microsoft include Chad Devries, Meriem Lahrache, Omar Jawich, Ajmal Khan, and Tangbaihe (Mona) Wang.

How can I contact Sahil Aggarwal?

You can use AeroLeads to view verified contact signals for Sahil Aggarwal at Microsoft, including work email, phone, and LinkedIn data when available.

What schools did Sahil Aggarwal attend?

Sahil Aggarwal holds Master'S Degree, Computer Engineering from San José State University.

What skills is Sahil Aggarwal known for?

Sahil Aggarwal is listed with skills including Operating Systems, Linux, Networking, C++ Language, Software, C, Coding Languages, and Computer Software Training.

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