Hello, I'm

Ankit Biswal

Network Security Engineer

Engineer with 3 years of industry experience at Cisco, specializing in network security, production debugging, and AI-powered tooling. Strong in Python, C/C++, AWS, and distributed systems.

3+ Years Experience
500+ Incidents Resolved
3+ Certifications

About Me

I'm a Network Security Engineer currently working at Cisco in Bangalore, India. With a solid foundation in computer science from Veer Surendra Sai University of Technology (GPA: 8.75), I specialize in network security, advanced firewall technologies, and building AI-powered tools for operational efficiency.

My day-to-day involves resolving complex enterprise customer incidents, diagnosing networking and security issues across large-scale production environments, and collaborating with cross-functional engineering teams to drive long-term product improvements.

Beyond my core role, I'm passionate about cloud computing with AWS, building serverless data pipelines, and exploring the intersection of AI and network security.

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Education

B.Tech in Computer Science

VSSUT, Burla - Odisha

GPA: 8.75 | 2019 - 2023

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Current Role

Technical Consulting Engineer

Cisco, Bangalore

Aug 2023 - Present

Work Experience

Technical Consulting Engineer

Cisco • Full-time

Aug 2023 - Present

Bangalore, India

  • Operating within the core Next-Generation Firewall (NGFW) Technical Assistance Center, I bridge the gap between traditional network support and software engineering by developing Python-based automation scripts to streamline log analysis, threat triage, and active containment (e.g., automated IP blocking) for enterprise customers.
  • Resolved 500+ enterprise customer incidents involving advanced firewall and network infrastructure issues, delivering rapid troubleshooting and root cause analysis across large-scale production environments.
  • Played a key role in a GenAI-driven support initiative, building and integrating AI agents to automate case resolution and intelligent troubleshooting, significantly reducing manual diagnostic time for complex firewall deployments.
  • Diagnosed and remediated complex networking and security issues involving Cisco FTD clusters, high availability (HA), BGP, OSPF, DHCP, and large-scale firewall deployments, improving network reliability and security posture.
  • Automated case and ticket lifecycle management, achieving top-tier operational performance metrics, maintaining one of the highest First Day Final Resolution (FDFR) and 5-Day Final Resolution (5DFR) rates within the organization.
  • Consistently delivered exceptional customer experience, earning top customer satisfaction ratings in the most recent quarter for technical expertise and efficient issue resolution.
  • Collaborated with cross-functional engineering and escalation teams to debug complex networking failures, identify software defects, and contribute to long-term product improvements.
  • CDemonstrated advanced threat analysis, forensics, and problem-solving skills by securing 2nd place overall in a Cisco enterprise-wide Capture the Flag (CTF) security challenge.

Technical Undergraduate Intern

Cisco • Internship

Jan 2023 - Jun 2023

Bangalore, India

  • Completed the CCNA and DevNet certifications. Developed the AI Insights feature within 3 months, enhancing policy analysis with sub-features like Policy Analysis Optimizer and AI Assistant.
  • Contributed to the AI Assistance for CX Teams project, enhancing the Optimizer platform to deliver deeper case insights, improve analysis accuracy, and streamline customer support workflows.

Software Development Intern

Markopolo.ai • Internship

Jun 2022 - Nov 2022

Remote

  • Markopolo is a complete paid marketing suite that helps you launch targeted ads, find creatives and AI-powered copy, schedule posts, and get real-time analytics on how well they perform.
  • Successfully developed and implemented ad generation workflows for TikTok and LinkedIn. Developed frontend workflow utilizing Facebook Graph API to generate and save top-performing audience reports for AI-generated social media ads.
  • Integrated Shopify so that users can leverage their products from Shopify accounts to generate ads.

Projects

AWS

Serverless Cloud Definitions App

Mar 2026

Developed a serverless Cloud Dictionary application enabling users to search for cloudrelated terms and view their definitions through a web interface.

  • Built a scalable backend using AWS Lambda, API Gateway, and DynamoDB to process API requests and store dictionary data efficiently.
  • Deployed the React frontend on AWS Amplify and integrated it with backend APIs to enable seamless interaction between the user interface and cloud services.
AWS Amplify AWS Lambda API Gateway IAM Roles DynamoDB React.js
AWS

CSV Data Processing Pipeline

Mar 2026

Built a serverless AWS data pipeline to process CSV files, automating data ingestion, transformation, and visualisation.

  • CSV files uploaded to a raw Amazon S3 bucket trigger AWS Lambda for preprocessing, followed by AWS Glue ETL into a final S3 bucket.
  • Amazon QuickSight generates interactive dashboards for visualisation.
Amazon S3 AWS Lambda AWS Glue QuickSight IAM
AWS

Automated Receipt Processing System

Mar 2026

Automated receipt processing using AWS services, extracting structured data from receipts and storing it efficiently for record-keeping and auditing.

  • Reduced manual effort and improved scalability for receipt processing workflows.
Amazon S3 Textract DynamoDB SES Lambda
MCP

Fireconsole MCP Server

Jun 2025

Developed the Fireconsole MCP Server, automating API integration for Sherlock campaigns and streamlining Firepower device troubleshooting.

  • Significantly reduced manual effort in device troubleshooting.
  • Enforced automated log query and analysis, enhancing diagnostic efficiency and root cause analysis.
MCP Server API Integration Automation
Security

QR Code Detection

Feb 2024 - Mar 2024

Built a system to detect and analyze QR codes from incoming emails by integrating Gmail APIs and webhooks.

  • Implemented QR code detection using OpenCV with Canny edge detection and pattern recognition.
  • Integrated Cisco Talos Threat Response API for domain reputation checks and automated malicious URL remediation.
Python OpenCV Gmail API Talos API

Skills

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Network & Security

TCP/IP Network Security Cisco ASA Next Gen Firewall BGP OSPF DNS DHCP
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Programming, Scripting & Databases

C++ Python JavaScript MongoDB Bash SQL
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AI, ML & Data Science

LLMs AI Agents OpenCV pandas NumPy

Cloud & DevOps

AWS EC2 ELB IAM S3 Lambda SES SNS SQS Textract DynamoDB AWS Glue QuickSight Linux
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Frameworks & Tools

Node.js React.js Express.js
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Security Operations & Automation

SIEM/SOAR (Cisco XDR, Splunk, Tines, n8n) Log Analysis MITRE ATT&CK
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Coursework

Data Structures & Algorithms System Design OOP DBMS

Certifications

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Cisco Certified DevNet Associate

Cisco

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Cisco Certified Network Associate (CCNA)

Cisco

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Cisco Certified Specialist - Security Core (CCNP - SCOR)

Cisco

Get In Touch

I'm always open to discussing new opportunities, interesting projects, or just having a chat about network security and cloud technologies.