Arun Yuvaraj

SOC Analyst (L1) / Network Security Engineer

• Design, implement, and support secure and scalable enterprise network infrastructures.
• Configure, monitor, and troubleshoot Cisco Meraki switches, firewalls, and routers using centralized dashboard management.
• Support data center migration projects, including planning, device installation, validation, and post-migration support.
• Monitor network performance, ensure high availability, and resolve incidents to minimize downtime.
• Collaborate with cross-functional IT and security teams during infrastructure upgrades and migrations.

Arche Global Technologies | May 2024 – Present

• Performed real-time monitoring of security alerts using SIEM tools (Splunk / FortiSIEM).
• Conducted alert triage and initial analysis for network, endpoint, and firewall events.
• Classified alerts as true positive, false positive, or suspicious based on SOC playbooks.
• Monitored SOC dashboards, alert queues, and infrastructure health metrics.
• Investigated phishing emails using header analysis, URL inspection, and reputation checks.
• Ensured log source availability (firewalls, VPN, endpoints, servers).
• Created and managed incident tickets with SLA adherence.
• Enriched alerts with IOCs (IP, domain, file hash, hostname, user activity).
• Escalated incidents to L2/L3 teams with clear summaries and evidence.
• Identified false positives and supported SIEM tuning efforts.
• Monitored event spikes/drops (EPS) to detect anomalies.
• Maintained shift handover reports for ongoing incidents and critical alerts.
• Followed SOC SOPs, playbooks, and compliance requirements.
• Monitored network traffic and utilized diagnostic tools to troubleshoot connectivity issues.
• Monitored network capacity and performance to diagnose and resolve complex network problems.

• Provided end-user support for desktops, laptops, and peripheral devices in a corporate environment.
• Diagnosed and resolved hardware, software, and OS-related issues with minimal downtime.
• Coordinated with IT teams to maintain network connectivity and system security.
• Troubleshot network connectivity problems, maintaining seamless communication across operations.
• Collaborated with cross-functional teams to implement IT solutions that improved operational efficiency.
• Assisted in development of system security protocols.

• Managed enterprise network infrastructure including routers, switches, and firewalls.
• Troubleshot LAN/WAN connectivity issues and implemented corrective actions to improve performance.
• Assisted in configuration, monitoring, and maintenance of network devices to ensure 24/7 availability.
• Monitored network performance using diagnostic tools to identify and resolve bottlenecks.