Preethi Narayanan

Motivated Network Security Professional with 2 years of hands-on experience in firewall configuration, network monitoring, and troubleshooting and over a 1 year experience in software development. Seeking a challenging role to leverage my skills and to grow in maintaining secure, scalable, and high-performing network infrastructures.

Firewall Engineer at Digital track Solutions Private limited (2023-06 – 2025-07)

Delivered Level 1 & 2 support for OEM customers with hands-on firewall configuration, network monitoring, and security implementation across multiple platforms.

• Delivered Level 1 & 2 support for OEM customers, coordinating with vendor teams for swift resolution
• Configured and maintained enterprise firewalls (Fortinet, SonicWall, Sophos, Checkpoint; basic Palo Alto)
• Designed and implemented firewall rules, NAT policies, VPN (IPSec/SSL), and conducted vulnerability assessments
• Performed daily health checks, log analysis, preventive maintenance, and fine-tuned IDS/IPS policies
• Captured and analyzed Wireshark logs to identify threats and share insights with OEMs
• Documented configurations, created knowledge base articles, and ensured SOP compliance
• Hands-on experience with Checkpoint management console for user configuration, policy deployment, and troubleshooting
• Configured high-security content filtering and optimized firewall performance for multi-site connectivity
• Collaborated with IT teams to ensure high availability and optimal security posture
• Guided peers, shared knowledge, and contributed to customer-facing problem resolution

Software Developer at Trimble Information Technologies (2020-02 – 2021-03)

Developed code, conducted testing, and resolved technical issues in software projects.

• Code deployment and testing in projects
• Resolved technical issues in real-time across shifts
• Developed internal tools and collaborated with QA teams for deployment

Testing Engineer at Indus Electronics India Pvt Ltd (2017-11 – 2020-01)

Performed hands-on PCB servicing, diagnostics, testing, and contributed to hardware product development and R&D projects.

• Hands-on experience in PCB servicing, diagnostics, and testing
• Designed and executed functional testing procedures
• Contributed to R&D projects and PCB design for hardware products

B.E. in Electronics and Communication Engineering (ECE) – Park College of Engineering and Technology