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sandeep bhandari

@sandeepbhandari

I secure enterprise networks through firewall administration, VPN support, and LAN/WAN troubleshooting.

India
Message

What I'm looking for

I'm looking to continue supporting secure enterprise network infrastructure through firewall administration, VPN troubleshooting, LAN/WAN operations, incident resolution, and hands-on IT support.

I've supported enterprise network security and IT infrastructure at Safex Chemicals India Ltd., Idonneous Marketing Services, and through independent client work at Bhandaribox.

At Idonneous Marketing Services, I administered FortiGate firewall policies for 50+ users, monitored traffic, managed IP whitelisting and blacklisting, and resolved VPN and LAN connectivity issues.

At Safex Chemicals India Ltd., I operated Sophos Firewall for 100+ users across two office buildings, enforced URL filtering, enabled secure branch VPN access, and supported Windows Server and network-device deployments.

I bring hands-on experience with Active Directory, firewall policy administration, NAT, VPN troubleshooting, ISP coordination, incident handling, and SLA-focused infrastructure support.

Experience

Work history, roles, and key accomplishments

IL

Backend Support Executive - IT

Idonneous Marketing Services Pvt. Ltd.

Dec 2023 - Oct 2025 (1 year 10 months)

Administered FortiGate firewall policies for 50+ users, including rule updates, traffic monitoring, and IP whitelisting/blacklisting. Addressed VPN access and performed Active Directory tasks.

SL

Executive - IT

Safex Chemicals India Ltd.

Feb 2021 - Dec 2023 (2 years 10 months)

Operated Sophos Firewall for 100+ users across two office buildings, including traffic monitoring, IP whitelisting/blacklisting, and security updates. Enforced URL filtering and managed VPN access for branch offices.

Education

Degrees, certifications, and relevant coursework

Coursera logoCO

Coursera

Fortinet Network Security Specialization, Network Security

2026 - 2026

Completed the Fortinet Network Security Specialization on Coursera in 2026.

Maharishi Dayanand University logoMU

Maharishi Dayanand University

Bachelor of Computer Applications, Computer Applications

Completed a Bachelor of Computer Applications degree at Maharishi Dayanand University.

Chandigarh University logoCU

Chandigarh University

Master of Computer Applications, Computer Applications

Pursued a Master of Computer Applications degree at Chandigarh University.

RT

Rooman Technologies

CCNA, Networking

Completed CCNA training at Rooman Technologies.

RT

Rooman Technologies

CEH (Certified Ethical Hacker), Cybersecurity

Completed CEH (Certified Ethical Hacker) training at Rooman Technologies.

RT

Rooman Technologies

Firewall & VPN Administration, Network Security

Completed Firewall & VPN Administration training at Rooman Technologies.

Tech stack

Software and tools used professionally

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