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@geeveruser

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Network engineer at Vertex Securities who built a Wazuh SIEM and maintains a live trading network.

India

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At Vertex Securities Ltd, I run network and security operations for a live trading environment. I built a Wazuh SIEM from scratch on RHEL, with endpoint and server agents, custom detection rules, and dashboards.

I maintain FortiGate firewalls, branch IPSec tunnels, and remote-user SSL VPN, tracing faults through packet captures and logs. I also kept trading and operational systems at 99.99% uptime by monitoring performance, testing failover paths, and fixing faults before they reached users.

Previously, at Soffit Infrastructure Services, I designed and implemented network and security infrastructure for enterprise clients. At Exponential-e (via IQ Matrix), I handled first-line network incidents for a UK enterprise ISP and worked to restore service within SLA.

Experience

Work history, roles, and key accomplishments

Current

Assistant Manager, IT and Cyber Security

Current

Vertex Securities Ltd

Jan 2026 - Present (9 months)

Owns network and security operations for a live trading environment, managing FortiGate firewalls, IPSec VPNs, and maintaining 99.99% uptime. Built a Wazuh SIEM from scratch and documented controls against SEBI CSCRF with zero non-conformities.

Junior Solutions Architect, Network, Security and Cloud

Soffit Infrastructure Services

Feb 2025 - Nov 2025 (9 months)

Designed and implemented network and security infrastructure for enterprise clients, supported deployed networks as escalation engineer, and evaluated new products. Wrote technical documentation and SOPs for support teams.

network design Security Architecture Cloud Computing Troubleshooting Escalation Management Technical Documentation SOPs product evaluation

First Line Network Engineer, NOC / Technical Support

Exponential-e (via IQ Matrix)

Apr 2024 - Feb 2025 (10 months)

Handled inbound incidents for a UK ISP, isolating faults on leased lines and WAN links, and troubleshooting Cisco, Fortinet, Juniper, Aruba, and Meraki devices. Worked to SLA and wrote RCA reports for major incidents.