Summary
Overview
Work History
Education
Skills
Certification
SOFT SKILLS
AVAILABILITY
Timeline
Generic

Piyush Katyayan

IT Security Engineer | Network & Perimeter Security Specialist
Warsaw

Summary

Experienced and forward-thinking IT Security Engineer with over 16 years of hands-on experience designing, implementing, and managing secure network architectures across global enterprises. Proven expertise in Cisco ISE, Palo Alto firewalls, and network access control mechanisms, ensuring compliance with industry standards including ISO and GxP. Strong collaborator in international environments, with a strategic mindset focused on automation, governance, and security compliance in cloud and on-prem infrastructures.

Experienced with designing and implementing secure systems to safeguard organizational assets. Utilizes in-depth knowledge of threat analysis and risk management to develop resilient security solutions. Track record of integrating innovative security measures to enhance overall cybersecurity posture.

Overview

19
19
years of professional experience
2
2
Certifications

Work History

Network & Security Architect

UNIC Consulting
04.2024 - Current
  • Deployed and maintained Palo Alto firewalls in Active/Active and Active/Passive HA configurations, including full failover testing and sync.
  • Configured Layer 3 interfaces, virtual routers, zones, VLANs, and routing protocols (OSPF, BGP, static).
  • Designed and implemented security and NAT policies using App-ID, User-ID, and Content-ID for granular control.
  • Enabled and fine-tuned Threat Prevention features: Antivirus, Anti-Spyware, Vulnerability Protection, WildFire, URL Filtering, and File Blocking.
  • Set up and managed IPSec Site-to-Site VPNs and GlobalProtect VPN with integration to LDAP, RADIUS, and SAML/MFA.
  • Integrated firewalls with Panorama for centralized policy and log management across multiple environments.
  • Used ACC, logs, and packet captures for deep traffic analysis, issue resolution, and performance monitoring.
  • Performed PAN-OS upgrades, pre/post validations, and ongoing patch management in production HA environments.
  • Automated firewall configurations and policy deployment using Ansible, REST API, and integration with SIEM tools.
  • Worked on projects from base setups to large-scale, global firewall architectures, delivering secure, scalable solutions.

Network Security Consultant

Solarise Technology
03.2023 - 04.2024
  • Designed and deployed Network Access Control (NAC) using Cisco ISE with 802.1x, MAB, Guest Portal, and TrustSec for secure endpoint onboarding.
  • Configured and troubleshot firewalls (Palo Alto, Cisco ASA, Fortinet) including NAT, security policies, and VPNs across multi-site environments.
  • Analyzed and optimized network architecture, including VLAN segmentation, routing protocols (OSPF/BGP), and Layer 2/3 configurations.
  • Ensured compliance with security frameworks (ISO 27001, GxP, SOC2) by enforcing access control policies and secure configurations.
  • Worked within Agile teams using JIRA and Confluence, contributing to sprint planning, retrospectives, and cross-functional collaboration.
  • Automated routine security and network tasks using Python, Ansible, and REST APIs, reducing configuration errors and change cycle time.
  • Performed risk assessments and root cause analysis for incidents, producing mitigation strategies and technical documentation.
  • Maintained strong English communication skills, delivering documentation, status reports, and stakeholder presentations globally.
  • Supported validated environments with strict change control processes (e.g., GxP-compliant pharmaceutical networks).
  • Constantly upskilled by learning and implementing emerging technologies like ZTNA, SD-WAN, and cloud security integrations.

Network Engineer

HireRight Ltd
04.2021 - 03.2023
  • Managed Palo Alto firewall configurations and troubleshooting
  • Handled network security audits and compliance documentation

Network Consultant

Unitegrids Ltd
04.2016 - 03.2021
  • Designed and deployed secure office network environments across multiple regions

Network Lead

Tech Mahindra
10.2009 - 03.2016
  • Oversaw firewall policy design, site-to-site VPN deployments, and compliance mapping

Network Support Engineer

Data Point Pvt. Ltd
01.2007 - 09.2009
  • Provided L2/L3 network and firewall support to enterprise clients

Education

Computer Science

B.I.T. Mesra Ext. Noida
Noida
04.2001 -

Skills

  • Cisco ISE (8021x, TrustSec, MAB, Guest Portals)
  • Palo Alto Firewalls (Active/Active, Active/Passive HA)

    • Vulnerability assessment

    Access control

    Cybersecurity strategy

    Endpoint security

    Security information and event management

    System hardening

    Security policy development

    Network security

    Firewall configuration

    Problem-solving

    Self motivation

    Excellent communication

    Active listening

    Firewall management

    Attention to detail

Certification

CCIE (65909) | CCIE-DC | NSE7 (2023) | CCNP | CCNA

SOFT SKILLS

Excellent communication, team leadership, problem-solving, adaptability, strategic thinking, and emotional intelligence. Proven ability to lead and influence both technical and non-technical stakeholders in international teams.

AVAILABILITY

Open to global remote and on-site opportunities. Willing to retrain and adapt to new technologies as per business needs.

Timeline

Network & Security Architect

UNIC Consulting
04.2024 - Current

Network Security Consultant

Solarise Technology
03.2023 - 04.2024

Network Engineer

HireRight Ltd
04.2021 - 03.2023

Network Consultant

Unitegrids Ltd
04.2016 - 03.2021

Network Lead

Tech Mahindra
10.2009 - 03.2016

Network Support Engineer

Data Point Pvt. Ltd
01.2007 - 09.2009

Computer Science

B.I.T. Mesra Ext. Noida
04.2001 -

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Piyush KatyayanIT Security Engineer | Network & Perimeter Security Specialist