Headline

VPN Security Expert | Security Technical Consulting Engineer II at Cisco TAC | CCNA | CCNP Security | Devnet

About

Nithin is an enthusiastic learner who defines himself as a person of seasonal interests. He doesn't just dabble; he dives deep into topics that spark his curiosity until he masters them. Because of this adaptability—ranging from Network Security to development—people often describe him as an ace of all trades. He strives to contribute his fullest efforts toward the organization's growth while continuously developing himself. He excels at working collaboratively and can seamlessly step into leadership roles when needed to ensure goals are met. But what truly sets him apart is the energy he brings to the floor. His healthy dose of self-obsession, paired with an unapologetically bad sense of humor, allows him to keep the team’s spirit high. He believes in tackling the hardest technical challenges with determination, a positive environment, and a lot of laughter.

Location

Bengaluru

AI stack

gemini

github copilot

glama

ollama

openai

githubcopilot

Work experience

Security Technical Consulting Engineer II at Cisco, May 2025 - Present · 1 yr 5 mos, India, Tier-3 Incident Resolution: Lead technical investigations for high-severity escalations, diagnosing complex failures in Next-Gen Firewalls, IPSec/SSL VPNs, and routing protocols (OSPF, BGP) for global enterprise customers. Fault Isolation Automation: Engineered a Python-based log analysis framework to parse gigabytes of unstructured security logs, accelerating fault isolation and reducing Mean Time to Detect (MTTD) by 30%. Network Architecture & Security: Architect secure deployments involving TCP/IP, LACP, and 802.1Q, advising Fortune 500 clients on Zero Trust segmentation, PKI/Certificate management, and attack surface reduction. Knowledge Base Development: Authored official technical documentation and video resources on threat hunting and configuration, utilized by thousands of global engineers.

Security Technical Consulting Engineer I at Cisco, Jul 2023 - May 2025 · 1 yr 11 mos, Bengaluru, As a VPN Security Technical Consulting Engineer at Cisco’s Technical Assistance Center (TAC) under Cisco CX-Centers, I specialize in troubleshooting and optimizing a wide range of VPN technologies across Cisco's industry-leading platforms, including Cisco ASA, Firepower, IOS and IOS-XE firewalls and routers. My expertise spans: Site-to-Site VPNs: Enabling secure, high-performance connections between fixed sites for seamless inter-office communication. Remote Access VPNs (RAVPN): Ensuring secure access for remote users to corporate resources across various devices. FlexVPN: Streamlining deployment and management with a unified framework that supports multiple VPN technologies. Group Encrypted Transport VPN (GETVPN): Protecting IP multicast traffic across private WAN environments, ensuring data integrity. Dynamic Multipoint VPN (DMVPN): Supporting scalable, dynamic mesh VPN topologies, minimizing static configuration needs. Zero Trust Network Access (ZTNA): Implementing identity-based access control to protect critical assets and enhance security. In this role, I conduct in-depth troubleshooting and root cause analysis to resolve complex issues within these VPN frameworks, ensuring secure and efficient connectivity tailored to client needs. I collaborate closely with Cisco customers and cross-functional teams, leveraging advanced diagnostics and Cisco’s tools to enhance VPN configurations and performance across diverse environments. This role has deepened my expertise in network security, VPN architecture, and protocol-level troubleshooting, equipping me to deliver robust and reliable VPN solutions on Cisco's cutting-edge platforms.

Technical Undergrad Intern at Cisco, Jan 2023 - Jun 2023 · 6 mos, Bengaluru, Karnataka, India, During my internship at Cisco, I focused on advancing testing frameworks for business process automation, developing solutions to capture and validate interactions between system components, which enabled more accurate and isolated testing workflows. This role allowed me to significantly improve testing reliability and efficiency by integrating simulated environments and validation layers. In addition to practical experience, I also earned Cisco CCNA and Cisco DevNet certifications, deepening my technical foundation in networking and software development. My work strengthened my skills in frontend development (AngularJS), backend architecture (Node.js, Express), and API development for efficient data handling. This hands-on experience reinforced my understanding of automation frameworks and quality assurance processes, equipping me to contribute effectively to optimizing complex testing workflows and ensuring seamless system integrations.

Application Developer Intern at Hyginiee, Jun 2022 - Aug 2022 · 3 mos, Remote, As part of my industrial training, I contributed to the development of HYGINIEE, a mobile application offering on-demand laundry services with a focus on convenience and hygiene. Working closely with a dedicated team, I designed and implemented various features in the app using Flutter and Firebase. This included developing user authentication with multiple sign-in options (email, phone, and Google), a dynamic product display categorized by standard and premium services, and a real-time basket system linked to Firebase, ensuring seamless user experience from order creation to payment processing. In addition to enhancing functionality, I worked on UI/UX elements to create an intuitive interface with an animated home page and easy navigation. The app supports user engagement by storing order histories, enabling repeat orders, and providing customizable laundry options. My experience with this project enriched my skills in mobile app development, database management, and real-time data handling, and allowed me to contribute to an impactful solution in the digital service sector.

User Experience Designer at Indian Institute of Science (IISc), Jan 2022 - Mar 2022 · 3 mos, Bengaluru, Karnataka, India, Designed a web platform for India's largest 2D material database,https://anant.mrc.iisc.ac.in/

Core Committee Member at Linux Users’ Group, Manipal, Sep 2021 - Oct 2022 · 1 yr 2 mos, Udupi, Karnataka, India, LUG Manipal is a technology user group based at Manipal which aims to promote FOSS and Technical knowledge. We are a group of enthusiastic people who work day and night to make sure that "The best things in life are free" As a core committee member and student coordinator of the Linux Users Group at Manipal Institute of Technology (MIT), I managed and coordinated an open-source community within the institute. I was responsible for overseeing and organizing events and workshops that provided students with hands-on experience in Linux and other open-source software. Through these sessions, We as a team helped students gain practical skills, guiding them through troubleshooting processes whenever they encountered challenges. This role allowed me to foster a collaborative learning environment that empowered students to confidently explore and utilize open-source technologies.

Vice President at Manipal Information Security Team, Jul 2021 - Sep 2022 · 1 yr 3 mos, Udupi, Karnataka, India, As Vice President of MIST, I was responsible for the club's smooth operation, introducing new initiatives to foster growth and innovation. Alongside my leadership responsibilities, I actively worked on developing my own skills, building on existing strengths, and exploring new projects and initiatives that aligned with my interests. I trained and supported the management committee, providing them with opportunities to upskill and preparing them for future board roles. My role also included organizing and overseeing events and workshops, coordinating between the management and working committees, and stepping in to offer guidance whenever needed. This position allowed me to grow as both a team player and a leader, encouraging a collaborative environment where all members could thrive.

Management Committee Member at Manipal Information Security Team, Aug 2020 - Jul 2021 · 1 yr, As a management committee member of MIST, I was an active participant in our official Capture the Flag (CTF) team, enhancing my cybersecurity skills and deepening my knowledge of security concepts under the guidance of senior club members. This experience allowed me to strengthen my abilities both as a team player and as a team leader, stepping up to take initiatives and lead projects when needed. In addition to participating in CTFs, I helped organize MIST’s flagship events and workshops, focusing on raising cybersecurity awareness among students. I also mentored the working committee, guiding them in skill development and exploration of their interests by involving them in planning and executing events. Through this role, I developed valuable leadership skills while fostering a collaborative, growth-oriented environment within the club.

Working committee member at Manipal Information Security Team, Sep 2019 - Aug 2020 · 1 yr, As a working committee member of MIST, I gained firsthand experience in the inner workings of a tech-focused club, understanding how MIST operates and how it supports skill development and exploration. This role offered me the chance to broaden my technical knowledge and experiment with various fields, allowing me to "taste test" different areas of interest before committing to a specific path. Through this experience, I actively contributed to initiatives that helped peers and myself explore and refine our skills, fostering a collaborative environment for tech enthusiasts.

Education

Bachelor of Technology, Information Technology, Manipal institute of technology

10+1 and 10+2, tirumala junior college