Santosh Bhaskar

About Santosh Bhaskar

I am a Senior Network Security Professional with 9+ years of experience securing enterprise and service-provider environments across BFSI and telecom domains.My core strength lies in protecting large-scale production networks while balancing security, resilience, and business continuity. Over the years, I have led firewall governance initiatives, strengthened segmentation strategies, reduced enterprise security gaps, and executed high-impact change management processes with zero major incidents.Across Infosys, FIS, and Sify Technologies, I have:* Administered and optimised enterprise firewalls, including Palo Alto and Cisco ASA* Managed 50+ firewall policies, NAT rules, and multi-site VPN deployments* Executed 100+ ITIL-aligned production changes with structured impact analysis and rollback planning* Reduced Mean Time to Detection (MTTD) by leveraging SIEM platforms like Splunk* Strengthened resilience posture for critical banking services through structured TRMF vulnerability assessments* Secured ISP devices using (TACACS+/RADIUS), ACLs, and secure protocol implementationsMy experience spans:Network Segmentation | IDS/IPS | VPN Technologies (IPSec / SSL)| Firewall Rulebase Governance | SIEM Operations | Vulnerability Management | | Routing Protocols (BGP, OSPF, EIGRP)| Enterprise LAN/WAN | ITIL Change ManagementWhat differentiates me is not just technical depth, but an ownership mindset.I focus on reducing risk, improving operational maturity, and ensuring that security controls align with business objectives. I am comfortable working with architects, SMEs, and stakeholders across security, infrastructure, and operations teams to drive measurable improvements in compliance and resilience.Certified in CCNP-SCOR, Azure Fundamentals, and CCNA, I continuously invest in strengthening my understanding of enterprise security architecture and evolving threat landscapes.I am open to opportunities where I can contribute to:> Enterprise Network Security Engineering> Firewall & Segmentation Architecture> Security Operations & Governance> Resilience & Vulnerability Management> Large-scale production network environmentsIf you’re looking for a security professional who combines hands-on depth with structured execution and measurable impact — let’s connect.

Experience

1. Infrastructure Management Consultant

   Infosys

   Jan 2025 — Present · Hyderabad, IN

   Client: Charter CommunicationsTools: Panorama, Splunk, Cherwell, Nebula• Improved security policy compliance by 30% and reduced enterprise security gaps by leading the administration and optimisation of Palo Alto Firewalls and Panorama, managing 50+ firewall policies, zone segmentation, NAT configurations, and multi-site VPN deployments.• Executed 100+ production network changes with zero major incidents, by spearheading ITIL-aligned change management processes including impact analysis, rollback planning, and structured post-change validation.• Reduced Mean Time to Detection (MTTD) by 25%, by leveraging SPLUNK for advanced log correlation and traffic analysis, proactively identifying security anomalies and streamlining incident workflows through Cherwell and NEBULA.

Education

• Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya, Kancheepuram

  Bachelor's degree

  2012 — 2016

• International Institute of Information Technology Bangalore

  Post Graduate Diploma in Software Development

  2020 — 2021

• Liverpool John Moores University

  Master of Technology - MTech

  2024 — 2025