Shishir Kumar
Senior Associate at Cognizant
Based in Pune, India
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Seniority
Staff
Department
Information Technology
Location
Pune
Industry
IT Services and IT Consulting
Company size
352K
Contact information
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s•••••••@cognizant.com
Phone
5 credits+91 ••• •••• ••••
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Background
About Shishir Kumar
I am an experienced system administrator with over 8 years of experience designing, implementing, and supporting advanced IT infrastructure including voice and video communication systems. My expertise spans VoIP, SIP, Cisco Unified Communications (CUCM, Unity, Jabber), Microsoft Teams and network infrastructure. I specialize in troubleshooting complex issues, managing large-scale rollouts, and ensuring secure, high-performance communication systems. Beyond the technical side, I pride myself on my ability to build genuine human connections as well; whether it’s working with colleagues, guiding stakeholders, or supporting end-users. I’m known for my joyful nature, calm demeanor, and composed, clear communication style, which helps foster trust and smooth collaboration in any environment. Core Skills: Cisco UC | SIP/VoIP | SBC | Microsoft Teams | Azure | Networking | Video Conferencing | Project Support | PowerShell | Digital Workplace
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