praveen chowdary
@praveenchowdary
Senior network security engineer delivering zero-downtime migrations and automation.
United StatesWhat I'm looking for
I am a senior network security engineer with deep hands-on experience securing and automating enterprise networks across financial services, manufacturing, and consumer goods sectors.
I lead zero-downtime firewall migrations and large SD-WAN rollouts, having executed successful cutovers for mission-critical banking clients across NAM, EMEA, and APAC while preserving revenue continuity.
My technical breadth includes Palo Alto NGFW & Panorama, Fortinet SD-WAN, Cisco Viptela, Arista EVPN/CVP, and multi-cloud networking across AWS, Azure, and GCP, complemented by automation using Python, Ansible, Terraform, and CloudFormation.
I take full ownership from planning through execution, documentation, and knowledge transfer, and I focus on reducing MTTR, cutting operational costs, and delivering high-availability, auditable infrastructure for regulated environments.
Experience
Work history, roles, and key accomplishments
Senior Network Security Engineer
NCR Atleos
May 2025 - Present (10 months)
Led global zero-downtime firewall migrations for Palo Alto, FortiGate and Panorama across NAM, EMEA and APAC for financial clients, maintaining revenue continuity; automated Arista data-center provisioning to reduce node onboarding from ~3 days to under 4 hours.
Deployed and managed Palo Alto 5200 series and Panorama HA for enterprise IT/OT, implemented Fortinet SD-WAN across 50+ sites replacing MPLS to cut WAN costs, and built Terraform/CloudFormation pipelines reducing provisioning time from 2 weeks to 2 days.
Network Engineer
Estee Lauder Companies
Jun 2020 - Dec 2022 (2 years 6 months)
Led enterprise firewall consolidation to Palo Alto PAN-OS and Zscaler ZIA, integrated Cisco ISE for policy-driven access reducing manual ACL changes ~70%, and maintained F5 BIG-IP clusters to achieve 99.99% uptime for critical apps.
Education
Degrees, certifications, and relevant coursework
Koneru Lakshmaiah University
Bachelor of Technology, Computer Science Engineering
Bachelor of Technology in Computer Science Engineering from Koneru Lakshmaiah University.
The George Washington University
Master of Science, Computer Science
Master of Science in Computer Science from The George Washington University.
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
Interested in hiring praveen?
You can contact praveen and 90k+ other talented remote workers on Himalayas.
Message praveenFind your dream job
Sign up now and join over 100,000 remote workers who receive personalized job alerts, curated job matches, and more for free!
