Sarang Shirshikar
Senior Engineer – 5G, Automation, NFV | Delivering Lab-to-Prod Innovation | Driving Technical Programs | Exploring PM/TPM Roles
- Role
- Senior Resident Engineer at Spirent Communications
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Sarang Shirshikar
Senior Resident Engineer with 4+ years of hands-on experience in 5G testing, network…
Experience
Senior Resident Engineer
Aug 2021 — Present · Seattle, WA, US
Spearheaded In-Service Upgrade project to patch OS-level vulnerabilities without VM respins, cutting upgrade downtime by 90% across 400+ VMs and reducing quarterly security maintenance from 1 month to 3 days.Designed and executed the largest performance test in AT & T lab history: simulated 500 DNNs and over 1.2 million sessions at 100+ Gbps, uncovering multiple critical NF issues in AMF/SMF/UPF. Modelled more than 15 performance models to test the capacity and resiliency of the NFs.Led resiliency and redundancy architecture testing across AT & T’s lab and production networks, improving platform reliability and minimizing latency-related customer impact.Built agile workflows for continuous Ubuntu patching, directly improving VM security compliance and aligning with AT & T’s Tenable scan standards.Collaborated with multiple NF and platform teams to co-develop and enhance features in Spirent Landslide, directly reducing feature gap between lab testing requirements and tool capabilities.Authored MOPs and implementation guides to support production deployments, including pre-loads and OpenStack Heat templates for scalable VM provisioning.Supported FirstNet performance, functional, and security validation, including VMware spin-ups via vCenter and full lifecycle management of lab assets.
Education
Savitribai Phule Pune University
Bachelor's degree, Electrical, Electronics and Communications Engineering
2008 — 2012
Harrisburg University of Science and Technology
Master of Science - MS, Computer Science
2018 — 2019
California State University, Fullerton
Master's degree, Electrical, Electronics and telecommunications Engineering
2012 — 2014
Skills
- Testing
- Electrical Engineering
- Verilog
- Pcb Design
- Manufacturing
- C
- Electronics
- C++
- 4g
- Semiconductors
- Debugging
- Engineering
- Matlab
- Embedded Systems
- Labview
- Lte
- Microsoft Office
- Vlsi
- Microcontrollers
- Xilinx
- Vhdl
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