Devendra Kumar Tyagi
Summary
Dedicated network and security expert with over 9 years of hands-on experience in the dynamic fields of technical support, customer service, professional services consulting, and IT operations management. Proficient in seamlessly integrating cutting-edge security solutions from diverse vendors, with a demonstrated track record of ensuring robust protection for organizational assets. Adept at collaborating with cross-functional teams to enhance security postures and optimize network performance.
Overview
1
1
Certification
13
13
years of professional experience
Work History
Senior Professional Consultant (Palo Alto)
Infinity Labs
01.2026 - Current
- Handled complex problems and issues by understanding root causes and implementing solutions.
- Facilitated workshops and training sessions to upskill team members and improve service delivery.
- Interfaced with client leads and became trusted advisor or confidant to client.
- Fine-tuning policies on both Firewalls and Prisma Access to minimize the excessive noise from redundant objects/policies.
- Running Best Practice Assessments with the customers as per their POs and helping in strengthening their Security Posture
- Assessing Customer’s environment for any security breach (vulnerability) and thereafter providing them with apt solutions.
Senior Technical Advisor
, WatchGuard Technologies, Noida
11.2023 - 12.2025
- Assisted in the deployment of new applications and systems, supporting change management processes and user adaptation on Palo Alto, Fortinet, WatchGuard firewalls, and endpoint consoles such as CrowdStrike and WatchGuard EPDR.
- Serve as an escalation point for Level 2 engineers, providing guidance and expertise to resolve complex network security issues.
- Support, implement, and manage advanced network security solutions, with a primary focus on Palo Alto, Fortinet, WatchGuard firewalls, EndPoint, AuthPoint (MFA), and other related technologies.
- Collaborate with cross-functional teams to drive project work related to network security, ensuring successful implementation and integration with existing infrastructure.
Technical Specialist
HCL Technologies, Noida
05.2021 - 11.2023
- Measure security improvements for the customer environment on Palo Alto, FTD, and Fortinet.
- Create and implement changes as per the customer's requirements.
- Actively defend all platforms to ensure optimal operations, and enhance security.
- Identify complex tasks in day-to-day operations, and work with stakeholders to streamline.
- Continue to expand network visibility into additional geographies and the cloud, and enhance metrics and automation to drive product maturity.
- Utilise continuous improvement practices to optimise and enhance all aspects of our daily tasks.
Senior Network Security Engineer
Brisa Technologies, Noida
02.2021 - 05.2021
- Solely responsible for onboarding the customers on Palo Alto’s Firewall and Cisco Secure Firewal
- Assessing Customer’s environment for any security breach (vulnerability) and thereafter providing them with apt solutions.
- Running Best Practice Assessments with the customers as per their POs and helping in strengthening their Security Posture.
Network Engineer – Senior Support Engineer
Xavient Information Systems (TELUS International)
06.2019 - 04.2020
- Handling L1 escalations, coordinating with the TAC team, and consulting on providing solutions on Palo Alto, FTD and Fortinet Firewalls
- Configured routers, switches, and firewalls for optimal security and connectivity across multiple sites.
- Managed network performance and implemented changes to improve efficiency.
- Troubleshooting HA-related issues in explicit mode and suggesting improvements if required on Palo Alto, FTD and Fortinet Firewalls
System Engineer
American EPAY Systems, Gr Noida
12.2015 - 06.2019
- Troubleshoot Level 1/2 network issues for enterprise customers.
- Conducting periodic health checks on customers’ appliances.
- Escalation Matrix & On-Call Facilitation & Updating the operations and Share- Point regarding the same.
- Driving the Incident Management & Major Incident process with efficiency and effectiveness.
- Establish and maintain Service Level Commitments.
Desktop Support Engineer
RAJA S.P. SINGH DEGREE COLLEGE, Agra
04.2014 - 12.2015
- Diagnosed and resolved hardware, software, and network connectivity problems efficiently.
- Configured network printers and resolved printing issues to ensure smooth operation.
- Provided technical support for desktop and laptop issues to enhance employee productivity.
Skills
- Prisma Access - SASE solution, Strata cloud manager and Firewalls
- IT operations and team management
- Change Management and Documentation
- Effective Communication
- Critical thinking and problem solving
- Technical Support and Remote Troubleshooting
- Professional Services Consultant – Design and Implementation
- Customer Service Management
- Technical Documentation
- Incident management
- Network security
- Firewall configuration
- Vulnerability assessment
Certification
- AWS Cloud Associate Architect and Security Specialty Training
- PCNSE certified from Palo Alto
- CCNA Certified
- ITIL Foundation Certified
- WatchGuard locally Managed Firewall
- B.Tech in ECE from UPTU, Meerut, 2014
- 12th from Simpkins School, Agra, 2008
- 10th from Bal Mukund, Agra, 2006
Timeline
Senior Professional Consultant (Palo Alto)
Infinity Labs
01.2026 - Current
Senior Technical Advisor
, WatchGuard Technologies, Noida
11.2023 - 12.2025
Technical Specialist
HCL Technologies, Noida
05.2021 - 11.2023
Senior Network Security Engineer
Brisa Technologies, Noida
02.2021 - 05.2021
Network Engineer – Senior Support Engineer
Xavient Information Systems (TELUS International)
06.2019 - 04.2020
System Engineer
American EPAY Systems, Gr Noida
12.2015 - 06.2019
Desktop Support Engineer
RAJA S.P. SINGH DEGREE COLLEGE, Agra
04.2014 - 12.2015